| # empty file needed for pylons to find templates in this directory | |
Binary files /dev/null and b/ckanext/dga-stats/__init__.pyc differ
| import ckan.plugins as p | |
| from ckan.lib.base import BaseController, config | |
| import stats as stats_lib | |
| import ckan.lib.helpers as h | |
| class StatsController(BaseController): | |
| def index(self): | |
| c = p.toolkit.c | |
| stats = stats_lib.Stats() | |
| rev_stats = stats_lib.RevisionStats() | |
| c.top_rated_packages = stats.top_rated_packages() | |
| c.most_edited_packages = stats.most_edited_packages() | |
| c.largest_groups = stats.largest_groups() | |
| c.top_tags = stats.top_tags() | |
| c.top_package_owners = stats.top_package_owners() | |
| c.new_packages_by_week = rev_stats.get_by_week('new_packages') | |
| c.deleted_packages_by_week = rev_stats.get_by_week('deleted_packages') | |
| c.num_packages_by_week = rev_stats.get_num_packages_by_week() | |
| c.package_revisions_by_week = rev_stats.get_by_week('package_revisions') | |
| # Used in the legacy CKAN templates. | |
| c.packages_by_week = [] | |
| # Used in new CKAN templates gives more control to the templates for formatting. | |
| c.raw_packages_by_week = [] | |
| for week_date, num_packages, cumulative_num_packages in c.num_packages_by_week: | |
| c.packages_by_week.append('[new Date(%s), %s]' % (week_date.replace('-', ','), cumulative_num_packages)) | |
| c.raw_packages_by_week.append({'date': h.date_str_to_datetime(week_date), 'total_packages': cumulative_num_packages}) | |
| c.all_package_revisions = [] | |
| c.raw_all_package_revisions = [] | |
| for week_date, revs, num_revisions, cumulative_num_revisions in c.package_revisions_by_week: | |
| c.all_package_revisions.append('[new Date(%s), %s]' % (week_date.replace('-', ','), num_revisions)) | |
| c.raw_all_package_revisions.append({'date': h.date_str_to_datetime(week_date), 'total_revisions': num_revisions}) | |
| c.new_datasets = [] | |
| c.raw_new_datasets = [] | |
| for week_date, pkgs, num_packages, cumulative_num_packages in c.new_packages_by_week: | |
| c.new_datasets.append('[new Date(%s), %s]' % (week_date.replace('-', ','), num_packages)) | |
| c.raw_new_datasets.append({'date': h.date_str_to_datetime(week_date), 'new_packages': num_packages}) | |
| return p.toolkit.render('ckanext/stats/index.html') | |
| def leaderboard(self, id=None): | |
| c = p.toolkit.c | |
| c.solr_core_url = config.get('ckanext.stats.solr_core_url', | |
| 'http://solr.okfn.org/solr/ckan') | |
| return p.toolkit.render('ckanext/stats/leaderboard.html') | |
| from logging import getLogger | |
| import ckan.plugins as p | |
| log = getLogger(__name__) | |
| class StatsPlugin(p.SingletonPlugin): | |
| '''Stats plugin.''' | |
| p.implements(p.IRoutes, inherit=True) | |
| p.implements(p.IConfigurer, inherit=True) | |
| def after_map(self, map): | |
| map.connect('stats', '/stats', | |
| controller='ckanext.stats.controller:StatsController', | |
| action='index') | |
| map.connect('stats_action', '/stats/{action}', | |
| controller='ckanext.stats.controller:StatsController') | |
| return map | |
| def update_config(self, config): | |
| templates = 'templates' | |
| if p.toolkit.asbool(config.get('ckan.legacy_templates', False)): | |
| templates = 'templates_legacy' | |
| p.toolkit.add_template_directory(config, templates) | |
| p.toolkit.add_public_directory(config, 'public') | |
| p.toolkit.add_resource('public/ckanext/stats', 'ckanext_stats') | |
Binary files /dev/null and b/ckanext/dga-stats/plugin.pyc differ
| **.min.js | |
| **.min.css | |
| # this is a namespace package | |
| try: | |
| import pkg_resources | |
| pkg_resources.declare_namespace(__name__) | |
| except ImportError: | |
| import pkgutil | |
| __path__ = pkgutil.extend_path(__path__, __name__) | |
| # this is a namespace package | |
| try: | |
| import pkg_resources | |
| pkg_resources.declare_namespace(__name__) | |
| except ImportError: | |
| import pkgutil | |
| __path__ = pkgutil.extend_path(__path__, __name__) | |
| # this is a namespace package | |
| try: | |
| import pkg_resources | |
| pkg_resources.declare_namespace(__name__) | |
| except ImportError: | |
| import pkgutil | |
| __path__ = pkgutil.extend_path(__path__, __name__) | |
| jQuery(document).ready(function($) { | |
| $('form').submit(function(e) { | |
| e.preventDefault(); | |
| attribute = $('#form-attribute').val(); | |
| loadSolr(attribute); | |
| }) | |
| // default! (also in html) | |
| loadSolr('tags'); | |
| function loadSolr(attribute) { | |
| var url = solrCoreUrl + '/select?indent=on&wt=json&facet=true&rows=0&indent=true&facet.mincount=1&facet.limit=30&q=*:*&facet.field=' + attribute; | |
| function handleSolr(data) { | |
| var results = []; | |
| ourdata = data.facet_counts.facet_fields[attribute]; | |
| var newrow = {}; | |
| for (ii in ourdata) { | |
| if (ii % 2 == 0) { | |
| newrow.name = ourdata[ii]; | |
| if (!newrow.name) { | |
| newrow.name = '[Not Specified]'; | |
| } | |
| } else { | |
| newrow.count = ourdata[ii]; | |
| results.push(newrow); | |
| newrow = {}; | |
| } | |
| } | |
| display(results); | |
| } | |
| $.ajax({ | |
| url: url, | |
| success: handleSolr, | |
| dataType: 'jsonp', | |
| jsonp: 'json.wrf' | |
| }); | |
| } | |
| function display(results) { | |
| var list = $('#category-counts'); | |
| list.html(''); | |
| if (results.length == 0) { | |
| return | |
| } | |
| var maximum = results[0]['count']; | |
| for(ii in results) { | |
| maximum = Math.max(maximum, results[ii]['count']); | |
| } | |
| $.each(results, function(idx, row) { | |
| var newentry = $('<li></li>'); | |
| newentry.append($('<a href="#">' + row['name'] + '</a>')); | |
| newentry.append($('<span class="count">' + row['count'] + '</a>')); | |
| var percent = 100 * row['count'] / maximum; | |
| newentry.append($('<span class="index" style="width: ' + percent + '%"></span>')); | |
| list.append(newentry); | |
| }); | |
| } | |
| }); | |
| .tab-content h2 { | |
| margin-bottom: 12px; | |
| } | |
| .js .tab-content { | |
| padding-top: 20px; | |
| padding-bottom: 20px; | |
| margin-top: 0; | |
| } | |
| .module-plot-canvas { | |
| display: block; | |
| width: 650px; | |
| height: 300px; | |
| margin: 20px 0; | |
| } | |
| <html> | |
| <head> | |
| <script type="text/javascript"> | |
| var solrCoreUrl = 'http://solr.okfn.org/solr/ckan'; | |
| </script> | |
| <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> | |
| <script type="text/javascript" src="app.js"></script> | |
| <link type="text/css" rel="stylesheet" media="all" href="style.css" /> | |
| </head> | |
| <body> | |
| <h1>CKAN Dataset Leaderboard</h1> | |
| <p>Choose a dataset attribute and find out which categories in that area have the most datasets. E.g. tags, groups, license, res_format, country.</p> | |
| <form> | |
| <label for="category">Choose area</label> | |
| <input type="text" value="tags" name="attribute" id="form-attribute" /> | |
| <input type="submit" value="Dataset Counts »" name="submit" /> | |
| </form> | |
| <div class="category-counts"> | |
| <ul class="chartlist" id="category-counts"> | |
| </ul> | |
| </div> | |
| </body> | |
| </html> | |
| /* A quick module for generating flot charts from an HTML table. Options can | |
| * be passed directly to flot using the data-module-* attributes. The tables | |
| * are currently expected to be marked up as follows: | |
| * | |
| * <table data-module="plot"> | |
| * <thead> | |
| * <tr> | |
| * <th>X Axis</th> | |
| * <th>Series A Legend</th> | |
| * <th>Series B Legend</th> | |
| * </tr> | |
| * </thead> | |
| * <tbody> | |
| * <tr> | |
| * <th>X Value</th> | |
| * <td>Series A Y Value</td> | |
| * <td>Series B Y Value</td> | |
| * </tr> | |
| * ... | |
| * </tbody> | |
| * </table> | |
| * | |
| * Points are pulled out of the th/td elements using innerHTML or by looking | |
| * for a data-value attribute. This is useful when a more readable value | |
| * needs to be used in the elements contents (eg. dates). A data-type attribute | |
| * can also be applied to parse the value. Only data-type="date" is currently | |
| * supported and expects data-value to be a unix timestamp. | |
| */ | |
| this.ckan.module('plot', function (jQuery, _) { | |
| return { | |
| /* Holds the jQuery.plot() object when created */ | |
| graph: null, | |
| /* Holds the canvas container when created */ | |
| canvas: null, | |
| /* Default options */ | |
| options: { | |
| xaxis: {}, | |
| yaxis: {}, | |
| legend: {position: 'nw'}, | |
| colors: ['#ffcc33', '#ff8844'] | |
| }, | |
| /* Sets up the canvas element and parses the table. | |
| * | |
| * Returns nothing. | |
| */ | |
| initialize: function () { | |
| jQuery.proxyAll(this, /_on/); | |
| if (!this.el.is('table')) { | |
| throw new Error('CKAN module plot can only be called on table elements'); | |
| } | |
| this.setupCanvas(); | |
| // Because the canvas doesn't render correctly unless visible we must | |
| // listen for events that reveal the canvas and then try and re-render. | |
| // Currently the most common of these is the "shown" event triggered by | |
| // the tabs plugin. | |
| this.sandbox.body.on("shown", this._onShown); | |
| this.data = this.parseTable(this.el); | |
| this.draw(); | |
| }, | |
| /* Removes event handlers when the module is removed from the DOM. | |
| * | |
| * Returns nothing. | |
| */ | |
| teardown: function () { | |
| this.sandbox.body.off("shown", this._onShown); | |
| }, | |
| /* Creates the canvas wrapper and removes the table from the document. | |
| * | |
| * Returns nothing. | |
| */ | |
| setupCanvas: function () { | |
| this.canvas = jQuery('<div class="module-plot-canvas">'); | |
| this.el.replaceWith(this.canvas); | |
| }, | |
| /* Attempts to draw the chart if the canvas is visible. If not visible the | |
| * graph does not render correctly. So we keep trying until it is. | |
| * | |
| * Examples | |
| * | |
| * module.draw(); | |
| * | |
| * Returns nothing. | |
| */ | |
| draw: function () { | |
| if (!this.drawn && this.canvas.is(':visible')) { | |
| this.graph = jQuery.plot(this.canvas, this.data, this.options); | |
| } | |
| }, | |
| /* Parses an HTML table element to build the data array for the chart. | |
| * The thead element provides the axis and labels for the series. The | |
| * first column in the tbody is used for the x-axis and subsequent | |
| * columns are the series. | |
| * | |
| * table - A table element to parse. | |
| * | |
| * Examples | |
| * | |
| * module.parseTable(module.el); | |
| * | |
| * Returns data object suitable for use in jQuery.plot(). | |
| */ | |
| parseTable: function (table) { | |
| var data = []; | |
| var _this = this; | |
| var headings = table.find('thead tr:first th').map(function () { | |
| return this.innerHTML; | |
| }); | |
| table.find('tbody tr').each(function (row) { | |
| var element = jQuery(this); | |
| var x = []; | |
| x[row] = _this.getValue(element.find('th')); | |
| element.find('td').each(function (series) { | |
| var value = _this.getValue(this); | |
| var label = headings[series + 1]; | |
| data[series] = data[series] || {data: [], label: label}; | |
| data[series].data[row] = [x[row], value]; | |
| }); | |
| }); | |
| return data; | |
| }, | |
| /* Retrieves the value from a td/th element. This first looks for a | |
| * data-value attribute on the element otherwise uses the element | |
| * text contents. | |
| * | |
| * A data-type attribute can also be provided to tell the module how | |
| * to deal with the element. By default we let jQuery.data() handle | |
| * the parsing but this can provide additional data. See .parseValue() | |
| * for more info. | |
| * | |
| * cell - An element to extract a value from. | |
| * | |
| * Examples | |
| * | |
| * var element = jQuery('<td data-value="10">Ten</td>'); | |
| * module.getValue(element); //=> 10 | |
| * | |
| * var element = jQuery('<td>20</td>'); | |
| * module.getValue(element); //=> 20 | |
| * | |
| * var element = jQuery('<td data-type="date">1343747094</td>'); | |
| * module.getValue(element); //=> <Date Tue Jul 31 2012 16:04:54 GMT+0100 (BST)> | |
| * | |
| * Returns the parsed value. | |
| */ | |
| getValue: function (cell) { | |
| var item = cell instanceof jQuery ? cell : jQuery(cell); | |
| var type = item.data('type') || 'string'; | |
| var value = item.data('value') || item.text(); | |
| return this.parseValue(value, type); | |
| }, | |
| /* Provides the ability to further format a value. | |
| * | |
| * If date is provided as a type then it expects value to be a unix | |
| * timestamp in seconds. | |
| * | |
| * value - The value extracted from the element. | |
| * type - A type string, currently only supports "date". | |
| * | |
| * Examples | |
| * | |
| * module.parseValue(10); // => 10 | |
| * module.parseValue("cat"); // => "cat" | |
| * module.parseValue(1343747094, 'date'); // => <Date Tue Jul 31 2012 16:04:54 GMT+0100 (BST)> | |
| * | |
| * Returns the parsed value. | |
| */ | |
| parseValue: function (value, type) { | |
| if (type === 'date') { | |
| value = new Date(parseInt(value, 10) * 1000); | |
| if (!value) { | |
| value = 0; | |
| } | |
| } | |
| return value; | |
| }, | |
| /* Event handler for when tabs are toggled. Determines if the canvas | |
| * resides in the shown element and attempts to re-render. | |
| * | |
| * event - The shown event object. | |
| * | |
| * Returns nothing. | |
| */ | |
| _onShown: function (event) { | |
| if (!this.drawn && jQuery.contains(jQuery(event.target.hash)[0], this.canvas[0])) { | |
| this.draw(); | |
| } | |
| } | |
| }; | |
| }); | |
| /* Quick module to enhance the Bootstrap tags plug-in to update the url | |
| * hash when a tab changes to allow the user to bookmark the page. | |
| * | |
| * Each tab id must use a prefix which which will be stripped from the hash. | |
| * This is to prevent the page jumping when the hash fragment changes. | |
| * | |
| * prefix - The prefix used on the ids. | |
| * | |
| */ | |
| this.ckan.module('stats-nav', { | |
| /* An options object */ | |
| options: { | |
| prefix: 'stats-' | |
| }, | |
| /* Initializes the module and sets up event listeners. | |
| * | |
| * Returns nothing. | |
| */ | |
| initialize: function () { | |
| var location = this.sandbox.location; | |
| var prefix = this.options.prefix; | |
| var hash = location.hash.slice(1); | |
| var selected = this.$('[href^=#' + prefix + hash + ']'); | |
| // Update the hash fragment when the tab changes. | |
| this.el.on('shown', function (event) { | |
| location.hash = event.target.hash.slice(prefix.length + 1); | |
| }); | |
| // Show the current tab if the location provides one. | |
| if (selected.length) { | |
| selected.tab('show'); | |
| } | |
| } | |
| }); | |
| [IE conditional] | |
| lte IE 8 = vendor/excanvas.js | |
| [groups] | |
| stats = | |
| css/stats.css | |
| vendor/excanvas.js | |
| vendor/jquery.flot.js | |
| javascript/modules/plot.js | |
| javascript/modules/stats-nav.js | |
| div.category-counts { | |
| } | |
| div.category-counts-over-time { | |
| clear: both; | |
| } | |
| /*************************** | |
| * CHART LISTS | |
| **************************/ | |
| .chartlist { | |
| float: left; | |
| border-top: 1px solid #EEE; | |
| width: 90%; | |
| padding-left: 0; | |
| margin-left: 0; | |
| } | |
| .chartlist li { | |
| position: relative; | |
| display: block; | |
| border-bottom: 1px solid #EEE; | |
| _zoom: 1; | |
| } | |
| .chartlist li a { | |
| display: block; | |
| padding: 0.4em 4.5em 0.4em 0.5em; | |
| position: relative; | |
| z-index: 2; | |
| } | |
| .chartlist .count { | |
| display: block; | |
| position: absolute; | |
| top: 0; | |
| right: 0; | |
| margin: 0 0.3em; | |
| text-align: right; | |
| color: #999; | |
| font-weight: bold; | |
| font-size: 0.875em; | |
| line-height: 2em; | |
| z-index: 999; | |
| } | |
| .chartlist .index { | |
| display: block; | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| height: 100%; | |
| background: #B8E4F5; | |
| text-indent: -9999px; | |
| overflow: hidden; | |
| line-height: 2em; | |
| } | |
| .chartlist li:hover { | |
| background: #EFEFEF; | |
| } | |
| <table data-module="plot"> | |
| <thead> | |
| <tr> | |
| <th>X Axis</th> | |
| <th>Series A Legend</th> | |
| <th>Series B Legend</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <tr> | |
| <!-- This is the x value for each series --> | |
| <th data-type="date" data-value="1176073200">Apr 09, 2007</th> | |
| <!-- This is the y value for series a --> | |
| <td>20</td> | |
| <!-- This is the y value for series b --> | |
| <td>7</td> | |
| </tr> | |
| <tr> | |
| <th data-type="date" data-value="1176678000">Apr 16, 2007</th> | |
| <td>12</td> | |
| <td>6</td> | |
| </tr> | |
| <tr> | |
| <th data-type="date" data-value="1177282800">Apr 23, 2007</th> | |
| <td>27</td> | |
| <td>12</td> | |
| </tr> | |
| </tbody> | |
| </table> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>Mocha Tests</title> | |
| <link rel="stylesheet" href="../../../base/test/vendor/mocha.css" /> | |
| </head> | |
| <body> | |
| <div id="mocha"></div> | |
| <div id="fixture" style="position: absolute; top: -9999px; left: -9999px"></div> | |
| <!-- Test Runner --> | |
| <script src="../../../base/test/vendor/sinon.js"></script> | |
| <script src="../../../base/test/vendor/mocha.js"></script> | |
| <script src="../../../base/test/vendor/chai.js"></script> | |
| <script> | |
| mocha.setup('bdd'); | |
| var assert = chai.assert; | |
| // Export sinon.assert methods onto assert. | |
| sinon.assert.expose(assert, {prefix: ''}); | |
| var ckan = {ENV: 'testing'}; | |
| </script> | |
| <!-- Source --> | |
| <script src="../../../base/vendor/jed.js"></script> | |
| <script src="../../../base/vendor/jquery.js"></script> | |
| <script src="../../../base/vendor/bootstrap/js/bootstrap-transition.js"></script> | |
| <script src="../../../base/vendor/bootstrap/js/bootstrap-alert.js"></script> | |
| <script src="../../../base/javascript/plugins/jquery.inherit.js"></script> | |
| <script src="../../../base/javascript/plugins/jquery.proxy-all.js"></script> | |
| <script src="../../../base/javascript/sandbox.js"></script> | |
| <script src="../../../base/javascript/module.js"></script> | |
| <script src="../../../base/javascript/pubsub.js"></script> | |
| <script src="../../../base/javascript/client.js"></script> | |
| <script src="../../../base/javascript/notify.js"></script> | |
| <script src="../../../base/javascript/i18n.js"></script> | |
| <script src="../../../base/javascript/main.js"></script> | |
| <script src="../javascript/modules/plot.js"></script> | |
| <script src="../javascript/modules/stats-nav.js"></script> | |
| <!-- Suite --> | |
| <script src="./spec/modules/plot.spec.js"></script> | |
| <script src="./spec/modules/stats-nav.spec.js"></script> | |
| <script> | |
| beforeEach(function () { | |
| this.fixture = jQuery('#fixture').empty(); | |
| }); | |
| afterEach(function () { | |
| this.fixture.empty(); | |
| }); | |
| mocha.run().globals(['ckan', 'setTimeout', 'setInterval', 'clearTimeout', 'clearInterval']); | |
| </script> | |
| </body> | |
| </html> | |
| /*globals describe before beforeEach afterEach it assert sinon ckan jQuery */ | |
| describe('ckan.module.PlotModule()', function () { | |
| var PlotModule = ckan.module.registry['plot']; | |
| before(function (done) { | |
| var _this = this; | |
| jQuery.get('./fixtures/table.html', function (html) { | |
| _this.template = html; | |
| done(); | |
| }); | |
| }); | |
| beforeEach(function () { | |
| this.el = jQuery(this.template).appendTo(this.fixture); | |
| this.sandbox = ckan.sandbox(); | |
| this.sandbox.body = this.fixture; | |
| this.module = new PlotModule(this.el, {}, this.sandbox); | |
| }); | |
| afterEach(function () { | |
| this.module.teardown(); | |
| }); | |
| describe('.initialize()', function () { | |
| it('should setup the canvas element', function () { | |
| var target = sinon.stub(this.module, 'setupCanvas', this.module.setupCanvas); | |
| this.module.initialize(); | |
| assert.called(target); | |
| }); | |
| it('should draw the graph', function () { | |
| var target = sinon.stub(this.module, 'draw'); | |
| this.module.initialize(); | |
| assert.called(target); | |
| }); | |
| it('should listen for "shown" events on the body', function () { | |
| var target = sinon.stub(this.sandbox.body, 'on'); | |
| this.module.initialize(); | |
| assert.called(target); | |
| assert.calledWith(target, "shown", this.module._onShown); | |
| }); | |
| }); | |
| describe('.teardown()', function () { | |
| it('should remove "shown" listeners from the body', function () { | |
| var target = sinon.stub(this.sandbox.body, 'off'); | |
| this.module.teardown(); | |
| assert.called(target); | |
| assert.calledWith(target, "shown", this.module._onShown); | |
| }); | |
| }); | |
| describe('.setupCanvas()', function () { | |
| it('should create the .canvas element', function () { | |
| this.module.setupCanvas(); | |
| assert.isDefined(this.module.canvas); | |
| assert.isDefined(this.module.canvas.is('div')); | |
| }); | |
| it('should replace the .el with the .canvas', function () { | |
| this.module.setupCanvas(); | |
| assert.ok(jQuery.contains(this.sandbox.body[0], this.module.canvas[0])); | |
| }); | |
| }); | |
| describe('.draw()', function () { | |
| beforeEach(function () { | |
| this.plot = {}; | |
| this.module.canvas = jQuery('<div />').appendTo(this.fixture); | |
| jQuery.plot = sinon.stub().returns(this.plot); | |
| }); | |
| it('should call jQuery.plot() if the canvas is visible', function () { | |
| this.module.draw(); | |
| assert.called(jQuery.plot); | |
| assert.calledWith(jQuery.plot, this.module.canvas, this.module.data, this.module.options); | |
| }); | |
| it('should assign the .graph property', function () { | |
| this.module.draw(); | |
| assert.strictEqual(this.module.graph, this.plot); | |
| }); | |
| it('should not call jQuery.plot() if the canvas is not visible', function () { | |
| this.module.canvas.hide(); | |
| this.module.draw(); | |
| assert.notCalled(jQuery.plot); | |
| }); | |
| }); | |
| describe('.parseTable(table)', function () { | |
| it('should parse the contents of the provided table', function () { | |
| var target = this.module.parseTable(this.module.el); | |
| assert.deepEqual(target, [{ | |
| label: 'Series A Legend', | |
| data: [ | |
| [new Date(1176073200000), "20"], | |
| [new Date(1176678000000), "12"], | |
| [new Date(1177282800000), "27"] | |
| ] | |
| }, { | |
| label: 'Series B Legend', | |
| data: [ | |
| [new Date(1176073200000), "7"], | |
| [new Date(1176678000000), "6"], | |
| [new Date(1177282800000), "12"] | |
| ] | |
| }]); | |
| }); | |
| }); | |
| describe('.getValue(cell)', function () { | |
| it('should extract the value from a table cell'); | |
| it('should use the data-value attribute if present'); | |
| it('should parse the value using the data-type'); | |
| }); | |
| describe('.parseValue(value, type)', function () { | |
| it('should create a date object if type == "date"'); | |
| it('should return the value if the type is not recognised'); | |
| }); | |
| describe('._onShown(event)', function () { | |
| it('should call .draw() if the event.target contains the canvas'); | |
| }); | |
| }); | |
| /*globals describe before beforeEach afterEach it assert sinon ckan jQuery */ | |
| describe('ckan.module.StatsNavModule()', function () { | |
| var StatsNavModule = ckan.module.registry['stats-nav']; | |
| beforeEach(function () { | |
| this.el = document.createElement('div'); | |
| this.sandbox = ckan.sandbox(); | |
| this.sandbox.body = this.fixture; | |
| this.sandbox.location = { | |
| href: '', | |
| hash: '' | |
| }; | |
| this.module = new StatsNavModule(this.el, {}, this.sandbox); | |
| jQuery.fn.tab = sinon.stub(); | |
| }); | |
| afterEach(function () { | |
| this.module.teardown(); | |
| delete jQuery.fn.tab; | |
| }); | |
| describe('.initialize()', function () { | |
| it('should listen for shown events and update the location.hash', function () { | |
| var anchor = jQuery('<a />').attr('href', '#stats-test')[0]; | |
| this.module.initialize(); | |
| this.module.el.trigger({type: 'shown', target: anchor}); | |
| assert.equal(this.sandbox.location.hash, 'test'); | |
| }); | |
| it('should select the tab from the location hash on init', function () { | |
| var anchor = jQuery('<a />').attr('href', '#stats-test').appendTo(this.el); | |
| this.sandbox.location.hash = '#test'; | |
| this.module.initialize(); | |
| assert.called(jQuery.fn.tab); | |
| assert.calledWith(jQuery.fn.tab, 'show'); | |
| }); | |
| }); | |
| }); | |
| // Copyright 2006 Google Inc. | |
| // | |
| // Licensed under the Apache License, Version 2.0 (the "License"); | |
| // you may not use this file except in compliance with the License. | |
| // You may obtain a copy of the License at | |
| // | |
| // http://www.apache.org/licenses/LICENSE-2.0 | |
| // | |
| // Unless required by applicable law or agreed to in writing, software | |
| // distributed under the License is distributed on an "AS IS" BASIS, | |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| // See the License for the specific language governing permissions and | |
| // limitations under the License. | |
| // Known Issues: | |
| // | |
| // * Patterns only support repeat. | |
| // * Radial gradient are not implemented. The VML version of these look very | |
| // different from the canvas one. | |
| // * Clipping paths are not implemented. | |
| // * Coordsize. The width and height attribute have higher priority than the | |
| // width and height style values which isn't correct. | |
| // * Painting mode isn't implemented. | |
| // * Canvas width/height should is using content-box by default. IE in | |
| // Quirks mode will draw the canvas using border-box. Either change your | |
| // doctype to HTML5 | |
| // (http://www.whatwg.org/specs/web-apps/current-work/#the-doctype) | |
| // or use Box Sizing Behavior from WebFX | |
| // (http://webfx.eae.net/dhtml/boxsizing/boxsizing.html) | |
| // * Non uniform scaling does not correctly scale strokes. | |
| // * Filling very large shapes (above 5000 points) is buggy. | |
| // * Optimize. There is always room for speed improvements. | |
| // Only add this code if we do not already have a canvas implementation | |
| if (!document.createElement('canvas').getContext) { | |
| (function() { | |
| // alias some functions to make (compiled) code shorter | |
| var m = Math; | |
| var mr = m.round; | |
| var ms = m.sin; | |
| var mc = m.cos; | |
| var abs = m.abs; | |
| var sqrt = m.sqrt; | |
| // this is used for sub pixel precision | |
| var Z = 10; | |
| var Z2 = Z / 2; | |
| /** | |
| * This funtion is assigned to the <canvas> elements as element.getContext(). | |
| * @this {HTMLElement} | |
| * @return {CanvasRenderingContext2D_} | |
| */ | |
| function getContext() { | |
| return this.context_ || | |
| (this.context_ = new CanvasRenderingContext2D_(this)); | |
| } | |
| var slice = Array.prototype.slice; | |
| /** | |
| * Binds a function to an object. The returned function will always use the | |
| * passed in {@code obj} as {@code this}. | |
| * | |
| * Example: | |
| * | |
| * g = bind(f, obj, a, b) | |
| * g(c, d) // will do f.call(obj, a, b, c, d) | |
| * | |
| * @param {Function} f The function to bind the object to | |
| * @param {Object} obj The object that should act as this when the function | |
| * is called | |
| * @param {*} var_args Rest arguments that will be used as the initial | |
| * arguments when the function is called | |
| * @return {Function} A new function that has bound this | |
| */ | |
| function bind(f, obj, var_args) { | |
| var a = slice.call(arguments, 2); | |
| return function() { | |
| return f.apply(obj, a.concat(slice.call(arguments))); | |
| }; | |
| } | |
| function encodeHtmlAttribute(s) { | |
| return String(s).replace(/&/g, '&').replace(/"/g, '"'); | |
| } | |
| function addNamespacesAndStylesheet(doc) { | |
| // create xmlns | |
| if (!doc.namespaces['g_vml_']) { | |
| doc.namespaces.add('g_vml_', 'urn:schemas-microsoft-com:vml', | |
| '#default#VML'); | |
| } | |
| if (!doc.namespaces['g_o_']) { | |
| doc.namespaces.add('g_o_', 'urn:schemas-microsoft-com:office:office', | |
| '#default#VML'); | |
| } | |
| // Setup default CSS. Only add one style sheet per document | |
| if (!doc.styleSheets['ex_canvas_']) { | |
| var ss = doc.createStyleSheet(); | |
| ss.owningElement.id = 'ex_canvas_'; | |
| ss.cssText = 'canvas{display:inline-block;overflow:hidden;' + | |
| // default size is 300x150 in Gecko and Opera | |
| 'text-align:left;width:300px;height:150px}'; | |
| } | |
| } | |
| // Add namespaces and stylesheet at startup. | |
| addNamespacesAndStylesheet(document); | |
| var G_vmlCanvasManager_ = { | |
| init: function(opt_doc) { | |
| if (/MSIE/.test(navigator.userAgent) && !window.opera) { | |
| var doc = opt_doc || document; | |
| // Create a dummy element so that IE will allow canvas elements to be | |
| // recognized. | |
| doc.createElement('canvas'); | |
| doc.attachEvent('onreadystatechange', bind(this.init_, this, doc)); | |
| } | |
| }, | |
| init_: function(doc) { | |
| // find all canvas elements | |
| var els = doc.getElementsByTagName('canvas'); | |
| for (var i = 0; i < els.length; i++) { | |
| this.initElement(els[i]); | |
| } | |
| }, | |
| /** | |
| * Public initializes a canvas element so that it can be used as canvas | |
| * element from now on. This is called automatically before the page is | |
| * loaded but if you are creating elements using createElement you need to | |
| * make sure this is called on the element. | |
| * @param {HTMLElement} el The canvas element to initialize. | |
| * @return {HTMLElement} the element that was created. | |
| */ | |
| initElement: function(el) { | |
| if (!el.getContext) { | |
| el.getContext = getContext; | |
| // Add namespaces and stylesheet to document of the element. | |
| addNamespacesAndStylesheet(el.ownerDocument); | |
| // Remove fallback content. There is no way to hide text nodes so we | |
| // just remove all childNodes. We could hide all elements and remove | |
| // text nodes but who really cares about the fallback content. | |
| el.innerHTML = ''; | |
| // do not use inline function because that will leak memory | |
| el.attachEvent('onpropertychange', onPropertyChange); | |
| el.attachEvent('onresize', onResize); | |
| var attrs = el.attributes; | |
| if (attrs.width && attrs.width.specified) { | |
| // TODO: use runtimeStyle and coordsize | |
| // el.getContext().setWidth_(attrs.width.nodeValue); | |
| el.style.width = attrs.width.nodeValue + 'px'; | |
| } else { | |
| el.width = el.clientWidth; | |
| } | |
| if (attrs.height && attrs.height.specified) { | |
| // TODO: use runtimeStyle and coordsize | |
| // el.getContext().setHeight_(attrs.height.nodeValue); | |
| el.style.height = attrs.height.nodeValue + 'px'; | |
| } else { | |
| el.height = el.clientHeight; | |
| } | |
| //el.getContext().setCoordsize_() | |
| } | |
| return el; | |
| } | |
| }; | |
| function onPropertyChange(e) { | |
| var el = e.srcElement; | |
| switch (e.propertyName) { | |
| case 'width': | |
| el.getContext().clearRect(); | |
| el.style.width = el.attributes.width.nodeValue + 'px'; | |
| // In IE8 this does not trigger onresize. | |
| el.firstChild.style.width = el.clientWidth + 'px'; | |
| break; | |
| case 'height': | |
| el.getContext().clearRect(); | |
| el.style.height = el.attributes.height.nodeValue + 'px'; | |
| el.firstChild.style.height = el.clientHeight + 'px'; | |
| break; | |
| } | |
| } | |
| function onResize(e) { | |
| var el = e.srcElement; | |
| if (el.firstChild) { | |
| el.firstChild.style.width = el.clientWidth + 'px'; | |
| el.firstChild.style.height = el.clientHeight + 'px'; | |
| } | |
| } | |
| G_vmlCanvasManager_.init(); | |
| // precompute "00" to "FF" | |
| var decToHex = []; | |
| for (var i = 0; i < 16; i++) { | |
| for (var j = 0; j < 16; j++) { | |
| decToHex[i * 16 + j] = i.toString(16) + j.toString(16); | |
| } | |
| } | |
| function createMatrixIdentity() { | |
| return [ | |
| [1, 0, 0], | |
| [0, 1, 0], | |
| [0, 0, 1] | |
| ]; | |
| } | |
| function matrixMultiply(m1, m2) { | |
| var result = createMatrixIdentity(); | |
| for (var x = 0; x < 3; x++) { | |
| for (var y = 0; y < 3; y++) { | |
| var sum = 0; | |
| for (var z = 0; z < 3; z++) { | |
| sum += m1[x][z] * m2[z][y]; | |
| } | |
| result[x][y] = sum; | |
| } | |
| } | |
| return result; | |
| } | |
| function copyState(o1, o2) { | |
| o2.fillStyle = o1.fillStyle; | |
| o2.lineCap = o1.lineCap; | |
| o2.lineJoin = o1.lineJoin; | |
| o2.lineWidth = o1.lineWidth; | |
| o2.miterLimit = o1.miterLimit; | |
| o2.shadowBlur = o1.shadowBlur; | |
| o2.shadowColor = o1.shadowColor; | |
| o2.shadowOffsetX = o1.shadowOffsetX; | |
| o2.shadowOffsetY = o1.shadowOffsetY; | |
| o2.strokeStyle = o1.strokeStyle; | |
| o2.globalAlpha = o1.globalAlpha; | |
| o2.font = o1.font; | |
| o2.textAlign = o1.textAlign; | |
| o2.textBaseline = o1.textBaseline; | |
| o2.arcScaleX_ = o1.arcScaleX_; | |
| o2.arcScaleY_ = o1.arcScaleY_; | |
| o2.lineScale_ = o1.lineScale_; | |
| } | |
| var colorData = { | |
| aliceblue: '#F0F8FF', | |
| antiquewhite: '#FAEBD7', | |
| aquamarine: '#7FFFD4', | |
| azure: '#F0FFFF', | |
| beige: '#F5F5DC', | |
| bisque: '#FFE4C4', | |
| black: '#000000', | |
| blanchedalmond: '#FFEBCD', | |
| blueviolet: '#8A2BE2', | |
| brown: '#A52A2A', | |
| burlywood: '#DEB887', | |
| cadetblue: '#5F9EA0', | |
| chartreuse: '#7FFF00', | |
| chocolate: '#D2691E', | |
| coral: '#FF7F50', | |
| cornflowerblue: '#6495ED', | |
| cornsilk: '#FFF8DC', | |
| crimson: '#DC143C', | |
| cyan: '#00FFFF', | |
| darkblue: '#00008B', | |
| darkcyan: '#008B8B', | |
| darkgoldenrod: '#B8860B', | |
| darkgray: '#A9A9A9', | |
| darkgreen: '#006400', | |
| darkgrey: '#A9A9A9', | |
| darkkhaki: '#BDB76B', | |
| darkmagenta: '#8B008B', | |
| darkolivegreen: '#556B2F', | |
| darkorange: '#FF8C00', | |
| darkorchid: '#9932CC', | |
| darkred: '#8B0000', | |
| darksalmon: '#E9967A', | |
| darkseagreen: '#8FBC8F', | |
| darkslateblue: '#483D8B', | |
| darkslategray: '#2F4F4F', | |
| darkslategrey: '#2F4F4F', | |
| darkturquoise: '#00CED1', | |
| darkviolet: '#9400D3', | |
| deeppink: '#FF1493', | |
| deepskyblue: '#00BFFF', | |
| dimgray: '#696969', | |
| dimgrey: '#696969', | |
| dodgerblue: '#1E90FF', | |
| firebrick: '#B22222', | |
| floralwhite: '#FFFAF0', | |
| forestgreen: '#228B22', | |
| gainsboro: '#DCDCDC', | |
| ghostwhite: '#F8F8FF', | |
| gold: '#FFD700', | |
| goldenrod: '#DAA520', | |
| grey: '#808080', | |
| greenyellow: '#ADFF2F', | |
| honeydew: '#F0FFF0', | |
| hotpink: '#FF69B4', | |
| indianred: '#CD5C5C', | |
| indigo: '#4B0082', | |
| ivory: '#FFFFF0', | |
| khaki: '#F0E68C', | |
| lavender: '#E6E6FA', | |
| lavenderblush: '#FFF0F5', | |
| lawngreen: '#7CFC00', | |
| lemonchiffon: '#FFFACD', | |
| lightblue: '#ADD8E6', | |
| lightcoral: '#F08080', | |
| lightcyan: '#E0FFFF', | |
| lightgoldenrodyellow: '#FAFAD2', | |
| lightgreen: '#90EE90', | |
| lightgrey: '#D3D3D3', | |
| lightpink: '#FFB6C1', | |
| lightsalmon: '#FFA07A', | |
| lightseagreen: '#20B2AA', | |
| lightskyblue: '#87CEFA', | |
| lightslategray: '#778899', | |
| lightslategrey: '#778899', | |
| lightsteelblue: '#B0C4DE', | |
| lightyellow: '#FFFFE0', | |
| limegreen: '#32CD32', | |
| linen: '#FAF0E6', | |
| magenta: '#FF00FF', | |
| mediumaquamarine: '#66CDAA', | |
| mediumblue: '#0000CD', | |
| mediumorchid: '#BA55D3', | |
| mediumpurple: '#9370DB', | |
| mediumseagreen: '#3CB371', | |
| mediumslateblue: '#7B68EE', | |
| mediumspringgreen: '#00FA9A', | |
| mediumturquoise: '#48D1CC', | |
| mediumvioletred: '#C71585', | |
| midnightblue: '#191970', | |
| mintcream: '#F5FFFA', | |
| mistyrose: '#FFE4E1', | |
| moccasin: '#FFE4B5', | |
| navajowhite: '#FFDEAD', | |
| oldlace: '#FDF5E6', | |
| olivedrab: '#6B8E23', | |
| orange: '#FFA500', | |
| orangered: '#FF4500', | |
| orchid: '#DA70D6', | |
| palegoldenrod: '#EEE8AA', | |
| palegreen: '#98FB98', | |
| paleturquoise: '#AFEEEE', | |
| palevioletred: '#DB7093', | |
| papayawhip: '#FFEFD5', | |
| peachpuff: '#FFDAB9', | |
| peru: '#CD853F', | |
| pink: '#FFC0CB', | |
| plum: '#DDA0DD', | |
| powderblue: '#B0E0E6', | |
| rosybrown: '#BC8F8F', | |
| royalblue: '#4169E1', | |
| saddlebrown: '#8B4513', | |
| salmon: '#FA8072', | |
| sandybrown: '#F4A460', | |
| seagreen: '#2E8B57', | |
| seashell: '#FFF5EE', | |
| sienna: '#A0522D', | |
| skyblue: '#87CEEB', | |
| slateblue: '#6A5ACD', | |
| slategray: '#708090', | |
| slategrey: '#708090', | |
| snow: '#FFFAFA', | |
| springgreen: '#00FF7F', | |
| steelblue: '#4682B4', | |
| tan: '#D2B48C', | |
| thistle: '#D8BFD8', | |
| tomato: '#FF6347', | |
| turquoise: '#40E0D0', | |
| violet: '#EE82EE', | |
| wheat: '#F5DEB3', | |
| whitesmoke: '#F5F5F5', | |
| yellowgreen: '#9ACD32' | |
| }; | |
| function getRgbHslContent(styleString) { | |
| var start = styleString.indexOf('(', 3); | |
| var end = styleString.indexOf(')', start + 1); | |
| var parts = styleString.substring(start + 1, end).split(','); | |
| // add alpha if needed | |
| if (parts.length == 4 && styleString.substr(3, 1) == 'a') { | |
| alpha = Number(parts[3]); | |
| } else { | |
| parts[3] = 1; | |
| } | |
| return parts; | |
| } | |
| function percent(s) { | |
| return parseFloat(s) / 100; | |
| } | |
| function clamp(v, min, max) { | |
| return Math.min(max, Math.max(min, v)); | |
| } | |
| function hslToRgb(parts){ | |
| var r, g, b; | |
| h = parseFloat(parts[0]) / 360 % 360; | |
| if (h < 0) | |
| h++; | |
| s = clamp(percent(parts[1]), 0, 1); | |
| l = clamp(percent(parts[2]), 0, 1); | |
| if (s == 0) { | |
| r = g = b = l; // achromatic | |
| } else { | |
| var q = l < 0.5 ? l * (1 + s) : l + s - l * s; | |
| var p = 2 * l - q; | |
| r = hueToRgb(p, q, h + 1 / 3); | |
| g = hueToRgb(p, q, h); | |
| b = hueToRgb(p, q, h - 1 / 3); | |
| } | |
| return '#' + decToHex[Math.floor(r * 255)] + | |
| decToHex[Math.floor(g * 255)] + | |
| decToHex[Math.floor(b * 255)]; | |
| } | |
| function hueToRgb(m1, m2, h) { | |
| if (h < 0) | |
| h++; | |
| if (h > 1) | |
| h--; | |
| if (6 * h < 1) | |
| return m1 + (m2 - m1) * 6 * h; | |
| else if (2 * h < 1) | |
| return m2; | |
| else if (3 * h < 2) | |
| return m1 + (m2 - m1) * (2 / 3 - h) * 6; | |
| else | |
| return m1; | |
| } | |
| function processStyle(styleString) { | |
| var str, alpha = 1; | |
| styleString = String(styleString); | |
| if (styleString.charAt(0) == '#') { | |
| str = styleString; | |
| } else if (/^rgb/.test(styleString)) { | |
| var parts = getRgbHslContent(styleString); | |
| var str = '#', n; | |
| for (var i = 0; i < 3; i++) { | |
| if (parts[i].indexOf('%') != -1) { | |
| n = Math.floor(percent(parts[i]) * 255); | |
| } else { | |
| n = Number(parts[i]); | |
| } | |
| str += decToHex[clamp(n, 0, 255)]; | |
| } | |
| alpha = parts[3]; | |
| } else if (/^hsl/.test(styleString)) { | |
| var parts = getRgbHslContent(styleString); | |
| str = hslToRgb(parts); | |
| alpha = parts[3]; | |
| } else { | |
| str = colorData[styleString] || styleString; | |
| } | |
| return {color: str, alpha: alpha}; | |
| } | |
| var DEFAULT_STYLE = { | |
| style: 'normal', | |
| variant: 'normal', | |
| weight: 'normal', | |
| size: 10, | |
| family: 'sans-serif' | |
| }; | |
| // Internal text style cache | |
| var fontStyleCache = {}; | |
| function processFontStyle(styleString) { | |
| if (fontStyleCache[styleString]) { | |
| return fontStyleCache[styleString]; | |
| } | |
| var el = document.createElement('div'); | |
| var style = el.style; | |
| try { | |
| style.font = styleString; | |
| } catch (ex) { | |
| // Ignore failures to set to invalid font. | |
| } | |
| return fontStyleCache[styleString] = { | |
| style: style.fontStyle || DEFAULT_STYLE.style, | |
| variant: style.fontVariant || DEFAULT_STYLE.variant, | |
| weight: style.fontWeight || DEFAULT_STYLE.weight, | |
| size: style.fontSize || DEFAULT_STYLE.size, | |
| family: style.fontFamily || DEFAULT_STYLE.family | |
| }; | |
| } | |
| function getComputedStyle(style, element) { | |
| var computedStyle = {}; | |
| for (var p in style) { | |
| computedStyle[p] = style[p]; | |
| } | |
| // Compute the size | |
| var canvasFontSize = parseFloat(element.currentStyle.fontSize), | |
| fontSize = parseFloat(style.size); | |
| if (typeof style.size == 'number') { | |
| computedStyle.size = style.size; | |
| } else if (style.size.indexOf('px') != -1) { | |
| computedStyle.size = fontSize; | |
| } else if (style.size.indexOf('em') != -1) { | |
| computedStyle.size = canvasFontSize * fontSize; | |
| } else if(style.size.indexOf('%') != -1) { | |
| computedStyle.size = (canvasFontSize / 100) * fontSize; | |
| } else if (style.size.indexOf('pt') != -1) { | |
| computedStyle.size = fontSize / .75; | |
| } else { | |
| computedStyle.size = canvasFontSize; | |
| } | |
| // Different scaling between normal text and VML text. This was found using | |
| // trial and error to get the same size as non VML text. | |
| computedStyle.size *= 0.981; | |
| return computedStyle; | |
| } | |
| function buildStyle(style) { | |
| return style.style + ' ' + style.variant + ' ' + style.weight + ' ' + | |
| style.size + 'px ' + style.family; | |
| } | |
| function processLineCap(lineCap) { | |
| switch (lineCap) { | |
| case 'butt': | |
| return 'flat'; | |
| case 'round': | |
| return 'round'; | |
| case 'square': | |
| default: | |
| return 'square'; | |
| } | |
| } | |
| /** | |
| * This class implements CanvasRenderingContext2D interface as described by | |
| * the WHATWG. | |
| * @param {HTMLElement} surfaceElement The element that the 2D context should | |
| * be associated with | |
| */ | |
| function CanvasRenderingContext2D_(surfaceElement) { | |
| this.m_ = createMatrixIdentity(); | |
| this.mStack_ = []; | |
| this.aStack_ = []; | |
| this.currentPath_ = []; | |
| // Canvas context properties | |
| this.strokeStyle = '#000'; | |
| this.fillStyle = '#000'; | |
| this.lineWidth = 1; | |
| this.lineJoin = 'miter'; | |
| this.lineCap = 'butt'; | |
| this.miterLimit = Z * 1; | |
| this.globalAlpha = 1; | |
| this.font = '10px sans-serif'; | |
| this.textAlign = 'left'; | |
| this.textBaseline = 'alphabetic'; | |
| this.canvas = surfaceElement; | |
| var el = surfaceElement.ownerDocument.createElement('div'); | |
| el.style.width = surfaceElement.clientWidth + 'px'; | |
| el.style.height = surfaceElement.clientHeight + 'px'; | |
| el.style.overflow = 'hidden'; | |
| el.style.position = 'absolute'; | |
| surfaceElement.appendChild(el); | |
| this.element_ = el; | |
| this.arcScaleX_ = 1; | |
| this.arcScaleY_ = 1; | |
| this.lineScale_ = 1; | |
| } | |
| var contextPrototype = CanvasRenderingContext2D_.prototype; | |
| contextPrototype.clearRect = function() { | |
| if (this.textMeasureEl_) { | |
| this.textMeasureEl_.removeNode(true); | |
| this.textMeasureEl_ = null; | |
| } | |
| this.element_.innerHTML = ''; | |
| }; | |
| contextPrototype.beginPath = function() { | |
| // TODO: Branch current matrix so that save/restore has no effect | |
| // as per safari docs. | |
| this.currentPath_ = []; | |
| }; | |
| contextPrototype.moveTo = function(aX, aY) { | |
| var p = this.getCoords_(aX, aY); | |
| this.currentPath_.push({type: 'moveTo', x: p.x, y: p.y}); | |
| this.currentX_ = p.x; | |
| this.currentY_ = p.y; | |
| }; | |
| contextPrototype.lineTo = function(aX, aY) { | |
| var p = this.getCoords_(aX, aY); | |
| this.currentPath_.push({type: 'lineTo', x: p.x, y: p.y}); | |
| this.currentX_ = p.x; | |
| this.currentY_ = p.y; | |
| }; | |
| contextPrototype.bezierCurveTo = function(aCP1x, aCP1y, | |
| aCP2x, aCP2y, | |
| aX, aY) { | |
| var p = this.getCoords_(aX, aY); | |
| var cp1 = this.getCoords_(aCP1x, aCP1y); | |
| var cp2 = this.getCoords_(aCP2x, aCP2y); | |
| bezierCurveTo(this, cp1, cp2, p); | |
| }; | |
| // Helper function that takes the already fixed cordinates. | |
| function bezierCurveTo(self, cp1, cp2, p) { | |
| self.currentPath_.push({ | |
| type: 'bezierCurveTo', | |
| cp1x: cp1.x, | |
| cp1y: cp1.y, | |
| cp2x: cp2.x, | |
| cp2y: cp2.y, | |
| x: p.x, | |
| y: p.y | |
| }); | |
| self.currentX_ = p.x; | |
| self.currentY_ = p.y; | |
| } | |
| contextPrototype.quadraticCurveTo = function(aCPx, aCPy, aX, aY) { | |
| // the following is lifted almost directly from | |
| // http://developer.mozilla.org/en/docs/Canvas_tutorial:Drawing_shapes | |
| var cp = this.getCoords_(aCPx, aCPy); | |
| var p = this.getCoords_(aX, aY); | |
| var cp1 = { | |
| x: this.currentX_ + 2.0 / 3.0 * (cp.x - this.currentX_), | |
| y: this.currentY_ + 2.0 / 3.0 * (cp.y - this.currentY_) | |
| }; | |
| var cp2 = { | |
| x: cp1.x + (p.x - this.currentX_) / 3.0, | |
| y: cp1.y + (p.y - this.currentY_) / 3.0 | |
| }; | |
| bezierCurveTo(this, cp1, cp2, p); | |
| }; | |
| contextPrototype.arc = function(aX, aY, aRadius, | |
| aStartAngle, aEndAngle, aClockwise) { | |
| aRadius *= Z; | |
| var arcType = aClockwise ? 'at' : 'wa'; | |
| var xStart = aX + mc(aStartAngle) * aRadius - Z2; | |
| var yStart = aY + ms(aStartAngle) * aRadius - Z2; | |
| var xEnd = aX + mc(aEndAngle) * aRadius - Z2; | |
| var yEnd = aY + ms(aEndAngle) * aRadius - Z2; | |
| // IE won't render arches drawn counter clockwise if xStart == xEnd. | |
| if (xStart == xEnd && !aClockwise) { | |
| xStart += 0.125; // Offset xStart by 1/80 of a pixel. Use something | |
| // that can be represented in binary | |
| } | |
| var p = this.getCoords_(aX, aY); | |
| var pStart = this.getCoords_(xStart, yStart); | |
| var pEnd = this.getCoords_(xEnd, yEnd); | |
| this.currentPath_.push({type: arcType, | |
| x: p.x, | |
| y: p.y, | |
| radius: aRadius, | |
| xStart: pStart.x, | |
| yStart: pStart.y, | |
| xEnd: pEnd.x, | |
| yEnd: pEnd.y}); | |
| }; | |
| contextPrototype.rect = function(aX, aY, aWidth, aHeight) { | |
| this.moveTo(aX, aY); | |
| this.lineTo(aX + aWidth, aY); | |
| this.lineTo(aX + aWidth, aY + aHeight); | |
| this.lineTo(aX, aY + aHeight); | |
| this.closePath(); | |
| }; | |
| contextPrototype.strokeRect = function(aX, aY, aWidth, aHeight) { | |
| var oldPath = this.currentPath_; | |
| this.beginPath(); | |
| this.moveTo(aX, aY); | |
| this.lineTo(aX + aWidth, aY); | |
| this.lineTo(aX + aWidth, aY + aHeight); | |
| this.lineTo(aX, aY + aHeight); | |
| this.closePath(); | |
| this.stroke(); | |
| this.currentPath_ = oldPath; | |
| }; | |
| contextPrototype.fillRect = function(aX, aY, aWidth, aHeight) { | |
| var oldPath = this.currentPath_; | |
| this.beginPath(); | |
| this.moveTo(aX, aY); | |
| this.lineTo(aX + aWidth, aY); | |
| this.lineTo(aX + aWidth, aY + aHeight); | |
| this.lineTo(aX, aY + aHeight); | |
| this.closePath(); | |
| this.fill(); | |
| this.currentPath_ = oldPath; | |
| }; | |
| contextPrototype.createLinearGradient = function(aX0, aY0, aX1, aY1) { | |
| var gradient = new CanvasGradient_('gradient'); | |
| gradient.x0_ = aX0; | |
| gradient.y0_ = aY0; | |
| gradient.x1_ = aX1; | |
| gradient.y1_ = aY1; | |
| return gradient; | |
| }; | |
| contextPrototype.createRadialGradient = function(aX0, aY0, aR0, | |
| aX1, aY1, aR1) { | |
| var gradient = new CanvasGradient_('gradientradial'); | |
| gradient.x0_ = aX0; | |
| gradient.y0_ = aY0; | |
| gradient.r0_ = aR0; | |
| gradient.x1_ = aX1; | |
| gradient.y1_ = aY1; | |
| gradient.r1_ = aR1; | |
| return gradient; | |
| }; | |
| contextPrototype.drawImage = function(image, var_args) { | |
| var dx, dy, dw, dh, sx, sy, sw, sh; | |
| // to find the original width we overide the width and height | |
| var oldRuntimeWidth = image.runtimeStyle.width; | |
| var oldRuntimeHeight = image.runtimeStyle.height; | |
| image.runtimeStyle.width = 'auto'; | |
| image.runtimeStyle.height = 'auto'; | |
| // get the original size | |
| var w = image.width; | |
| var h = image.height; | |
| // and remove overides | |
| image.runtimeStyle.width = oldRuntimeWidth; | |
| image.runtimeStyle.height = oldRuntimeHeight; | |
| if (arguments.length == 3) { | |
| dx = arguments[1]; | |
| dy = arguments[2]; | |
| sx = sy = 0; | |
| sw = dw = w; | |
| sh = dh = h; | |
| } else if (arguments.length == 5) { | |
| dx = arguments[1]; | |
| dy = arguments[2]; | |
| dw = arguments[3]; | |
| dh = arguments[4]; | |
| sx = sy = 0; | |
| sw = w; | |
| sh = h; | |
| } else if (arguments.length == 9) { | |
| sx = arguments[1]; | |
| sy = arguments[2]; | |
| sw = arguments[3]; | |
| sh = arguments[4]; | |
| dx = arguments[5]; | |
| dy = arguments[6]; | |
| dw = arguments[7]; | |
| dh = arguments[8]; | |
| } else { | |
| throw Error('Invalid number of arguments'); | |
| } | |
| var d = this.getCoords_(dx, dy); | |
| var w2 = sw / 2; | |
| var h2 = sh / 2; | |
| var vmlStr = []; | |
| var W = 10; | |
| var H = 10; | |
| // For some reason that I've now forgotten, using divs didn't work | |
| vmlStr.push(' <g_vml_:group', | |
| ' coordsize="', Z * W, ',', Z * H, '"', | |
| ' coordorigin="0,0"' , | |
| ' style="width:', W, 'px;height:', H, 'px;position:absolute;'); | |
| // If filters are necessary (rotation exists), create them | |
| // filters are bog-slow, so only create them if abbsolutely necessary | |
| // The following check doesn't account for skews (which don't exist | |
| // in the canvas spec (yet) anyway. | |
| if (this.m_[0][0] != 1 || this.m_[0][1] || | |
| this.m_[1][1] != 1 || this.m_[1][0]) { | |
| var filter = []; | |
| // Note the 12/21 reversal | |
| filter.push('M11=', this.m_[0][0], ',', | |
| 'M12=', this.m_[1][0], ',', | |
| 'M21=', this.m_[0][1], ',', | |
| 'M22=', this.m_[1][1], ',', | |
| 'Dx=', mr(d.x / Z), ',', | |
| 'Dy=', mr(d.y / Z), ''); | |
| // Bounding box calculation (need to minimize displayed area so that | |
| // filters don't waste time on unused pixels. | |
| var max = d; | |
| var c2 = this.getCoords_(dx + dw, dy); | |
| var c3 = this.getCoords_(dx, dy + dh); | |
| var c4 = this.getCoords_(dx + dw, dy + dh); | |
| max.x = m.max(max.x, c2.x, c3.x, c4.x); | |
| max.y = m.max(max.y, c2.y, c3.y, c4.y); | |
| vmlStr.push('padding:0 ', mr(max.x / Z), 'px ', mr(max.y / Z), | |
| 'px 0;filter:progid:DXImageTransform.Microsoft.Matrix(', | |
| filter.join(''), ", sizingmethod='clip');"); | |
| } else { | |
| vmlStr.push('top:', mr(d.y / Z), 'px;left:', mr(d.x / Z), 'px;'); | |
| } | |
| vmlStr.push(' ">' , | |
| '<g_vml_:image src="', image.src, '"', | |
| ' style="width:', Z * dw, 'px;', | |
| ' height:', Z * dh, 'px"', | |
| ' cropleft="', sx / w, '"', | |
| ' croptop="', sy / h, '"', | |
| ' cropright="', (w - sx - sw) / w, '"', | |
| ' cropbottom="', (h - sy - sh) / h, '"', | |
| ' />', | |
| '</g_vml_:group>'); | |
| this.element_.insertAdjacentHTML('BeforeEnd', vmlStr.join('')); | |
| }; | |
| contextPrototype.stroke = function(aFill) { | |
| var W = 10; | |
| var H = 10; | |
| // Divide the shape into chunks if it's too long because IE has a limit | |
| // somewhere for how long a VML shape can be. This simple division does | |
| // not work with fills, only strokes, unfortunately. | |
| var chunkSize = 5000; | |
| var min = {x: null, y: null}; | |
| var max = {x: null, y: null}; | |
| for (var j = 0; j < this.currentPath_.length; j += chunkSize) { | |
| var lineStr = []; | |
| var lineOpen = false; | |
| lineStr.push('<g_vml_:shape', | |
| ' filled="', !!aFill, '"', | |
| ' style="position:absolute;width:', W, 'px;height:', H, 'px;"', | |
| ' coordorigin="0,0"', | |
| ' coordsize="', Z * W, ',', Z * H, '"', | |
| ' stroked="', !aFill, '"', | |
| ' path="'); | |
| var newSeq = false; | |
| for (var i = j; i < Math.min(j + chunkSize, this.currentPath_.length); i++) { | |
| if (i % chunkSize == 0 && i > 0) { // move into position for next chunk | |
| lineStr.push(' m ', mr(this.currentPath_[i-1].x), ',', mr(this.currentPath_[i-1].y)); | |
| } | |
| var p = this.currentPath_[i]; | |
| var c; | |
| switch (p.type) { | |
| case 'moveTo': | |
| c = p; | |
| lineStr.push(' m ', mr(p.x), ',', mr(p.y)); | |
| break; | |
| case 'lineTo': | |
| lineStr.push(' l ', mr(p.x), ',', mr(p.y)); | |
| break; | |
| case 'close': | |
| lineStr.push(' x '); | |
| p = null; | |
| break; | |
| case 'bezierCurveTo': | |
| lineStr.push(' c ', | |
| mr(p.cp1x), ',', mr(p.cp1y), ',', | |
| mr(p.cp2x), ',', mr(p.cp2y), ',', | |
| mr(p.x), ',', mr(p.y)); | |
| break; | |
| case 'at': | |
| case 'wa': | |
| lineStr.push(' ', p.type, ' ', | |
| mr(p.x - this.arcScaleX_ * p.radius), ',', | |
| mr(p.y - this.arcScaleY_ * p.radius), ' ', | |
| mr(p.x + this.arcScaleX_ * p.radius), ',', | |
| mr(p.y + this.arcScaleY_ * p.radius), ' ', | |
| mr(p.xStart), ',', mr(p.yStart), ' ', | |
| mr(p.xEnd), ',', mr(p.yEnd)); | |
| break; | |
| } | |
| // TODO: Following is broken for curves due to | |
| // move to proper paths. | |
| // Figure out dimensions so we can do gradient fills | |
| // properly | |
| if (p) { | |
| if (min.x == null || p.x < min.x) { | |
| min.x = p.x; | |
| } | |
| if (max.x == null || p.x > max.x) { | |
| max.x = p.x; | |
| } | |
| if (min.y == null || p.y < min.y) { | |
| min.y = p.y; | |
| } | |
| if (max.y == null || p.y > max.y) { | |
| max.y = p.y; | |
| } | |
| } | |
| } | |
| lineStr.push(' ">'); | |
| if (!aFill) { | |
| appendStroke(this, lineStr); | |
| } else { | |
| appendFill(this, lineStr, min, max); | |
| } | |
| lineStr.push('</g_vml_:shape>'); | |
| this.element_.insertAdjacentHTML('beforeEnd', lineStr.join('')); | |
| } | |
| }; | |
| function appendStroke(ctx, lineStr) { | |
| var a = processStyle(ctx.strokeStyle); | |
| var color = a.color; | |
| var opacity = a.alpha * ctx.globalAlpha; | |
| var lineWidth = ctx.lineScale_ * ctx.lineWidth; | |
| // VML cannot correctly render a line if the width is less than 1px. | |
| // In that case, we dilute the color to make the line look thinner. | |
| if (lineWidth < 1) { | |
| opacity *= lineWidth; | |
| } | |
| lineStr.push( | |
| '<g_vml_:stroke', | |
| ' opacity="', opacity, '"', | |
| ' joinstyle="', ctx.lineJoin, '"', | |
| ' miterlimit="', ctx.miterLimit, '"', | |
| ' endcap="', processLineCap(ctx.lineCap), '"', | |
| ' weight="', lineWidth, 'px"', | |
| ' color="', color, '" />' | |
| ); | |
| } | |
| function appendFill(ctx, lineStr, min, max) { | |
| var fillStyle = ctx.fillStyle; | |
| var arcScaleX = ctx.arcScaleX_; | |
| var arcScaleY = ctx.arcScaleY_; | |
| var width = max.x - min.x; | |
| var height = max.y - min.y; | |
| if (fillStyle instanceof CanvasGradient_) { | |
| // TODO: Gradients transformed with the transformation matrix. | |
| var angle = 0; | |
| var focus = {x: 0, y: 0}; | |
| // additional offset | |
| var shift = 0; | |
| // scale factor for offset | |
| var expansion = 1; | |
| if (fillStyle.type_ == 'gradient') { | |
| var x0 = fillStyle.x0_ / arcScaleX; | |
| var y0 = fillStyle.y0_ / arcScaleY; | |
| var x1 = fillStyle.x1_ / arcScaleX; | |
| var y1 = fillStyle.y1_ / arcScaleY; | |
| var p0 = ctx.getCoords_(x0, y0); | |
| var p1 = ctx.getCoords_(x1, y1); | |
| var dx = p1.x - p0.x; | |
| var dy = p1.y - p0.y; | |
| angle = Math.atan2(dx, dy) * 180 / Math.PI; | |
| // The angle should be a non-negative number. | |
| if (angle < 0) { | |
| angle += 360; | |
| } | |
| // Very small angles produce an unexpected result because they are | |
| // converted to a scientific notation string. | |
| if (angle < 1e-6) { | |
| angle = 0; | |
| } | |
| } else { | |
| var p0 = ctx.getCoords_(fillStyle.x0_, fillStyle.y0_); | |
| focus = { | |
| x: (p0.x - min.x) / width, | |
| y: (p0.y - min.y) / height | |
| }; | |
| width /= arcScaleX * Z; | |
| height /= arcScaleY * Z; | |
| var dimension = m.max(width, height); | |
| shift = 2 * fillStyle.r0_ / dimension; | |
| expansion = 2 * fillStyle.r1_ / dimension - shift; | |
| } | |
| // We need to sort the color stops in ascending order by offset, | |
| // otherwise IE won't interpret it correctly. | |
| var stops = fillStyle.colors_; | |
| stops.sort(function(cs1, cs2) { | |
| return cs1.offset - cs2.offset; | |
| }); | |
| var length = stops.length; | |
| var color1 = stops[0].color; | |
| var color2 = stops[length - 1].color; | |
| var opacity1 = stops[0].alpha * ctx.globalAlpha; | |
| var opacity2 = stops[length - 1].alpha * ctx.globalAlpha; | |
| var colors = []; | |
| for (var i = 0; i < length; i++) { | |
| var stop = stops[i]; | |
| colors.push(stop.offset * expansion + shift + ' ' + stop.color); | |
| } | |
| // When colors attribute is used, the meanings of opacity and o:opacity2 | |
| // are reversed. | |
| lineStr.push('<g_vml_:fill type="', fillStyle.type_, '"', | |
| ' method="none" focus="100%"', | |
| ' color="', color1, '"', | |
| ' color2="', color2, '"', | |
| ' colors="', colors.join(','), '"', | |
| ' opacity="', opacity2, '"', | |
| ' g_o_:opacity2="', opacity1, '"', | |
| ' angle="', angle, '"', | |
| ' focusposition="', focus.x, ',', focus.y, '" />'); | |
| } else if (fillStyle instanceof CanvasPattern_) { | |
| if (width && height) { | |
| var deltaLeft = -min.x; | |
| var deltaTop = -min.y; | |
| lineStr.push('<g_vml_:fill', | |
| ' position="', | |
| deltaLeft / width * arcScaleX * arcScaleX, ',', | |
| deltaTop / height * arcScaleY * arcScaleY, '"', | |
| ' type="tile"', | |
| // TODO: Figure out the correct size to fit the scale. | |
| //' size="', w, 'px ', h, 'px"', | |
| ' src="', fillStyle.src_, '" />'); | |
| } | |
| } else { | |
| var a = processStyle(ctx.fillStyle); | |
| var color = a.color; | |
| var opacity = a.alpha * ctx.globalAlpha; | |
| lineStr.push('<g_vml_:fill color="', color, '" opacity="', opacity, | |
| '" />'); | |
| } | |
| } | |
| contextPrototype.fill = function() { | |
| this.stroke(true); | |
| }; | |
| contextPrototype.closePath = function() { | |
| this.currentPath_.push({type: 'close'}); | |
| }; | |
| /** | |
| * @private | |
| */ | |
| contextPrototype.getCoords_ = function(aX, aY) { | |
| var m = this.m_; | |
| return { | |
| x: Z * (aX * m[0][0] + aY * m[1][0] + m[2][0]) - Z2, | |
| y: Z * (aX * m[0][1] + aY * m[1][1] + m[2][1]) - Z2 | |
| }; | |
| }; | |
| contextPrototype.save = function() { | |
| var o = {}; | |
| copyState(this, o); | |
| this.aStack_.push(o); | |
| this.mStack_.push(this.m_); | |
| this.m_ = matrixMultiply(createMatrixIdentity(), this.m_); | |
| }; | |
| contextPrototype.restore = function() { | |
| if (this.aStack_.length) { | |
| copyState(this.aStack_.pop(), this); | |
| this.m_ = this.mStack_.pop(); | |
| } | |
| }; | |
| function matrixIsFinite(m) { | |
| return isFinite(m[0][0]) && isFinite(m[0][1]) && | |
| isFinite(m[1][0]) && isFinite(m[1][1]) && | |
| isFinite(m[2][0]) && isFinite(m[2][1]); | |
| } | |
| function setM(ctx, m, updateLineScale) { | |
| if (!matrixIsFinite(m)) { | |
| return; | |
| } | |
| ctx.m_ = m; | |
| if (updateLineScale) { | |
| // Get the line scale. | |
| // Determinant of this.m_ means how much the area is enlarged by the | |
| // transformation. So its square root can be used as a scale factor | |
| // for width. | |
| var det = m[0][0] * m[1][1] - m[0][1] * m[1][0]; | |
| ctx.lineScale_ = sqrt(abs(det)); | |
| } | |
| } | |
| contextPrototype.translate = function(aX, aY) { | |
| var m1 = [ | |
| [1, 0, 0], | |
| [0, 1, 0], | |
| [aX, aY, 1] | |
| ]; | |
| setM(this, matrixMultiply(m1, this.m_), false); | |
| }; | |
| contextPrototype.rotate = function(aRot) { | |
| var c = mc(aRot); | |
| var s = ms(aRot); | |
| var m1 = [ | |
| [c, s, 0], | |
| [-s, c, 0], | |
| [0, 0, 1] | |
| ]; | |
| setM(this, matrixMultiply(m1, this.m_), false); | |
| }; | |
| contextPrototype.scale = function(aX, aY) { | |
| this.arcScaleX_ *= aX; | |
| this.arcScaleY_ *= aY; | |
| var m1 = [ | |
| [aX, 0, 0], | |
| [0, aY, 0], | |
| [0, 0, 1] | |
| ]; | |
| setM(this, matrixMultiply(m1, this.m_), true); | |
| }; | |
| contextPrototype.transform = function(m11, m12, m21, m22, dx, dy) { | |
| var m1 = [ | |
| [m11, m12, 0], | |
| [m21, m22, 0], | |
| [dx, dy, 1] | |
| ]; | |
| setM(this, matrixMultiply(m1, this.m_), true); | |
| }; | |
| contextPrototype.setTransform = function(m11, m12, m21, m22, dx, dy) { | |
| var m = [ | |
| [m11, m12, 0], | |
| [m21, m22, 0], | |
| [dx, dy, 1] | |
| ]; | |
| setM(this, m, true); | |
| }; | |
| /** | |
| * The text drawing function. | |
| * The maxWidth argument isn't taken in account, since no browser supports | |
| * it yet. | |
| */ | |
| contextPrototype.drawText_ = function(text, x, y, maxWidth, stroke) { | |
| var m = this.m_, | |
| delta = 1000, | |
| left = 0, | |
| right = delta, | |
| offset = {x: 0, y: 0}, | |
| lineStr = []; | |
| var fontStyle = getComputedStyle(processFontStyle(this.font), | |
| this.element_); | |
| var fontStyleString = buildStyle(fontStyle); | |
| var elementStyle = this.element_.currentStyle; | |
| var textAlign = this.textAlign.toLowerCase(); | |
| switch (textAlign) { | |
| case 'left': | |
| case 'center': | |
| case 'right': | |
| break; | |
| case 'end': | |
| textAlign = elementStyle.direction == 'ltr' ? 'right' : 'left'; | |
| break; | |
| case 'start': | |
| textAlign = elementStyle.direction == 'rtl' ? 'right' : 'left'; | |
| break; | |
| default: | |
| textAlign = 'left'; | |
| } | |
| // 1.75 is an arbitrary number, as there is no info about the text baseline | |
| switch (this.textBaseline) { | |
| case 'hanging': | |
| case 'top': | |
| offset.y = fontStyle.size / 1.75; | |
| break; | |
| case 'middle': | |
| break; | |
| default: | |
| case null: | |
| case 'alphabetic': | |
| case 'ideographic': | |
| case 'bottom': | |
| offset.y = -fontStyle.size / 2.25; | |
| break; | |
| } | |
| switch(textAlign) { | |
| case 'right': | |
| left = delta; | |
| right = 0.05; | |
| break; | |
| case 'center': | |
| left = right = delta / 2; | |
| break; | |
| } | |
| var d = this.getCoords_(x + offset.x, y + offset.y); | |
| lineStr.push('<g_vml_:line from="', -left ,' 0" to="', right ,' 0.05" ', | |
| ' coordsize="100 100" coordorigin="0 0"', | |
| ' filled="', !stroke, '" stroked="', !!stroke, | |
| '" style="position:absolute;width:1px;height:1px;">'); | |
| if (stroke) { | |
| appendStroke(this, lineStr); | |
| } else { | |
| // TODO: Fix the min and max params. | |
| appendFill(this, lineStr, {x: -left, y: 0}, | |
| {x: right, y: fontStyle.size}); | |
| } | |
| var skewM = m[0][0].toFixed(3) + ',' + m[1][0].toFixed(3) + ',' + | |
| m[0][1].toFixed(3) + ',' + m[1][1].toFixed(3) + ',0,0'; | |
| var skewOffset = mr(d.x / Z) + ',' + mr(d.y / Z); | |
| lineStr.push('<g_vml_:skew on="t" matrix="', skewM ,'" ', | |
| ' offset="', skewOffset, '" origin="', left ,' 0" />', | |
| '<g_vml_:path textpathok="true" />', | |
| '<g_vml_:textpath on="true" string="', | |
| encodeHtmlAttribute(text), | |
| '" style="v-text-align:', textAlign, | |
| ';font:', encodeHtmlAttribute(fontStyleString), | |
| '" /></g_vml_:line>'); | |
| this.element_.insertAdjacentHTML('beforeEnd', lineStr.join('')); | |
| }; | |
| contextPrototype.fillText = function(text, x, y, maxWidth) { | |
| this.drawText_(text, x, y, maxWidth, false); | |
| }; | |
| contextPrototype.strokeText = function(text, x, y, maxWidth) { | |
| this.drawText_(text, x, y, maxWidth, true); | |
| }; | |
| contextPrototype.measureText = function(text) { | |
| if (!this.textMeasureEl_) { | |
| var s = '<span style="position:absolute;' + | |
| 'top:-20000px;left:0;padding:0;margin:0;border:none;' + | |
| 'white-space:pre;"></span>'; | |
| this.element_.insertAdjacentHTML('beforeEnd', s); | |
| this.textMeasureEl_ = this.element_.lastChild; | |
| } | |
| var doc = this.element_.ownerDocument; | |
| this.textMeasureEl_.innerHTML = ''; | |
| this.textMeasureEl_.style.font = this.font; | |
| // Don't use innerHTML or innerText because they allow markup/whitespace. | |
| this.textMeasureEl_.appendChild(doc.createTextNode(text)); | |
| return {width: this.textMeasureEl_.offsetWidth}; | |
| }; | |
| /******** STUBS ********/ | |
| contextPrototype.clip = function() { | |
| // TODO: Implement | |
| }; | |
| contextPrototype.arcTo = function() { | |
| // TODO: Implement | |
| }; | |
| contextPrototype.createPattern = function(image, repetition) { | |
| return new CanvasPattern_(image, repetition); | |
| }; | |
| // Gradient / Pattern Stubs | |
| function CanvasGradient_(aType) { | |
| this.type_ = aType; | |
| this.x0_ = 0; | |
| this.y0_ = 0; | |
| this.r0_ = 0; | |
| this.x1_ = 0; | |
| this.y1_ = 0; | |
| this.r1_ = 0; | |
| this.colors_ = []; | |
| } | |
| CanvasGradient_.prototype.addColorStop = function(aOffset, aColor) { | |
| aColor = processStyle(aColor); | |
| this.colors_.push({offset: aOffset, | |
| color: aColor.color, | |
| alpha: aColor.alpha}); | |
| }; | |
| function CanvasPattern_(image, repetition) { | |
| assertImageIsValid(image); | |
| switch (repetition) { | |
| case 'repeat': | |
| case null: | |
| case '': | |
| this.repetition_ = 'repeat'; | |
| break | |
| case 'repeat-x': | |
| case 'repeat-y': | |
| case 'no-repeat': | |
| this.repetition_ = repetition; | |
| break; | |
| default: | |
| throwException('SYNTAX_ERR'); | |
| } | |
| this.src_ = image.src; | |
| this.width_ = image.width; | |
| this.height_ = image.height; | |
| } | |
| function throwException(s) { | |
| throw new DOMException_(s); | |
| } | |
| function assertImageIsValid(img) { | |
| if (!img || img.nodeType != 1 || img.tagName != 'IMG') { | |
| throwException('TYPE_MISMATCH_ERR'); | |
| } | |
| if (img.readyState != 'complete') { | |
| throwException('INVALID_STATE_ERR'); | |
| } | |
| } | |
| function DOMException_(s) { | |
| this.code = this[s]; | |
| this.message = s +': DOM Exception ' + this.code; | |
| } | |
| var p = DOMException_.prototype = new Error; | |
| p.INDEX_SIZE_ERR = 1; | |
| p.DOMSTRING_SIZE_ERR = 2; | |
| p.HIERARCHY_REQUEST_ERR = 3; | |
| p.WRONG_DOCUMENT_ERR = 4; | |
| p.INVALID_CHARACTER_ERR = 5; | |
| p.NO_DATA_ALLOWED_ERR = 6; | |
| p.NO_MODIFICATION_ALLOWED_ERR = 7; | |
| p.NOT_FOUND_ERR = 8; | |
| p.NOT_SUPPORTED_ERR = 9; | |
| p.INUSE_ATTRIBUTE_ERR = 10; | |
| p.INVALID_STATE_ERR = 11; | |
| p.SYNTAX_ERR = 12; | |
| p.INVALID_MODIFICATION_ERR = 13; | |
| p.NAMESPACE_ERR = 14; | |
| p.INVALID_ACCESS_ERR = 15; | |
| p.VALIDATION_ERR = 16; | |
| p.TYPE_MISMATCH_ERR = 17; | |
| // set up externs | |
| G_vmlCanvasManager = G_vmlCanvasManager_; | |
| CanvasRenderingContext2D = CanvasRenderingContext2D_; | |
| CanvasGradient = CanvasGradient_; | |
| CanvasPattern = CanvasPattern_; | |
| DOMException = DOMException_; | |
| })(); | |
| } // if | |
| /*! Javascript plotting library for jQuery, v. 0.7. | |
| * | |
| * Released under the MIT license by IOLA, December 2007. | |
| * | |
| */ | |
| // first an inline dependency, jquery.colorhelpers.js, we inline it here | |
| // for convenience | |
| /* Plugin for jQuery for working with colors. | |
| * | |
| * Version 1.1. | |
| * | |
| * Inspiration from jQuery color animation plugin by John Resig. | |
| * | |
| * Released under the MIT license by Ole Laursen, October 2009. | |
| * | |
| * Examples: | |
| * | |
| * $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString() | |
| * var c = $.color.extract($("#mydiv"), 'background-color'); | |
| * console.log(c.r, c.g, c.b, c.a); | |
| * $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)" | |
| * | |
| * Note that .scale() and .add() return the same modified object | |
| * instead of making a new one. | |
| * | |
| * V. 1.1: Fix error handling so e.g. parsing an empty string does | |
| * produce a color rather than just crashing. | |
| */ | |
| (function(B){B.color={};B.color.make=function(F,E,C,D){var G={};G.r=F||0;G.g=E||0;G.b=C||0;G.a=D!=null?D:1;G.add=function(J,I){for(var H=0;H<J.length;++H){G[J.charAt(H)]+=I}return G.normalize()};G.scale=function(J,I){for(var H=0;H<J.length;++H){G[J.charAt(H)]*=I}return G.normalize()};G.toString=function(){if(G.a>=1){return"rgb("+[G.r,G.g,G.b].join(",")+")"}else{return"rgba("+[G.r,G.g,G.b,G.a].join(",")+")"}};G.normalize=function(){function H(J,K,I){return K<J?J:(K>I?I:K)}G.r=H(0,parseInt(G.r),255);G.g=H(0,parseInt(G.g),255);G.b=H(0,parseInt(G.b),255);G.a=H(0,G.a,1);return G};G.clone=function(){return B.color.make(G.r,G.b,G.g,G.a)};return G.normalize()};B.color.extract=function(D,C){var E;do{E=D.css(C).toLowerCase();if(E!=""&&E!="transparent"){break}D=D.parent()}while(!B.nodeName(D.get(0),"body"));if(E=="rgba(0, 0, 0, 0)"){E="transparent"}return B.color.parse(E)};B.color.parse=function(F){var E,C=B.color.make;if(E=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(F)){return C(parseInt(E[1],10),parseInt(E[2],10),parseInt(E[3],10))}if(E=/rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(F)){return C(parseInt(E[1],10),parseInt(E[2],10),parseInt(E[3],10),parseFloat(E[4]))}if(E=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(F)){return C(parseFloat(E[1])*2.55,parseFloat(E[2])*2.55,parseFloat(E[3])*2.55)}if(E=/rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(F)){return C(parseFloat(E[1])*2.55,parseFloat(E[2])*2.55,parseFloat(E[3])*2.55,parseFloat(E[4]))}if(E=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(F)){return C(parseInt(E[1],16),parseInt(E[2],16),parseInt(E[3],16))}if(E=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(F)){return C(parseInt(E[1]+E[1],16),parseInt(E[2]+E[2],16),parseInt(E[3]+E[3],16))}var D=B.trim(F).toLowerCase();if(D=="transparent"){return C(255,255,255,0)}else{E=A[D]||[0,0,0];return C(E[0],E[1],E[2])}};var A={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}})(jQuery); | |
| // the actual Flot code | |
| (function($) { | |
| function Plot(placeholder, data_, options_, plugins) { | |
| // data is on the form: | |
| // [ series1, series2 ... ] | |
| // where series is either just the data as [ [x1, y1], [x2, y2], ... ] | |
| // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label", ... } | |
| var series = [], | |
| options = { | |
| // the color theme used for graphs | |
| colors: ["#edc240", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"], | |
| legend: { | |
| show: true, | |
| noColumns: 1, // number of colums in legend table | |
| labelFormatter: null, // fn: string -> string | |
| labelBoxBorderColor: "#ccc", // border color for the little label boxes | |
| container: null, // container (as jQuery object) to put legend in, null means default on top of graph | |
| position: "ne", // position of default legend container within plot | |
| margin: 5, // distance from grid edge to default legend container within plot | |
| backgroundColor: null, // null means auto-detect | |
| backgroundOpacity: 0.85 // set to 0 to avoid background | |
| }, | |
| xaxis: { | |
| show: null, // null = auto-detect, true = always, false = never | |
| position: "bottom", // or "top" | |
| mode: null, // null or "time" | |
| color: null, // base color, labels, ticks | |
| tickColor: null, // possibly different color of ticks, e.g. "rgba(0,0,0,0.15)" | |
| transform: null, // null or f: number -> number to transform axis | |
| inverseTransform: null, // if transform is set, this should be the inverse function | |
| min: null, // min. value to show, null means set automatically | |
| max: null, // max. value to show, null means set automatically | |
| autoscaleMargin: null, // margin in % to add if auto-setting min/max | |
| ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks | |
| tickFormatter: null, // fn: number -> string | |
| labelWidth: null, // size of tick labels in pixels | |
| labelHeight: null, | |
| reserveSpace: null, // whether to reserve space even if axis isn't shown | |
| tickLength: null, // size in pixels of ticks, or "full" for whole line | |
| alignTicksWithAxis: null, // axis number or null for no sync | |
| // mode specific options | |
| tickDecimals: null, // no. of decimals, null means auto | |
| tickSize: null, // number or [number, "unit"] | |
| minTickSize: null, // number or [number, "unit"] | |
| monthNames: null, // list of names of months | |
| timeformat: null, // format string to use | |
| twelveHourClock: false // 12 or 24 time in time mode | |
| }, | |
| yaxis: { | |
| autoscaleMargin: 0.02, | |
| position: "left" // or "right" | |
| }, | |
| xaxes: [], | |
| yaxes: [], | |
| series: { | |
| points: { | |
| show: false, | |
| radius: 3, | |
| lineWidth: 2, // in pixels | |
| fill: true, | |
| fillColor: "#ffffff", | |
| symbol: "circle" // or callback | |
| }, | |
| lines: { | |
| // we don't put in show: false so we can see | |
| // whether lines were actively disabled | |
| lineWidth: 2, // in pixels | |
| fill: false, | |
| fillColor: null, | |
| steps: false | |
| }, | |
| bars: { | |
| show: false, | |
| lineWidth: 2, // in pixels | |
| barWidth: 1, // in units of the x axis | |
| fill: true, | |
| fillColor: null, | |
| align: "left", // or "center" | |
| horizontal: false | |
| }, | |
| shadowSize: 3 | |
| }, | |
| grid: { | |
| show: true, | |
| aboveData: false, | |
| color: "#545454", // primary color used for outline and labels | |
| backgroundColor: null, // null for transparent, else color | |
| borderColor: null, // set if different from the grid color | |
| tickColor: null, // color for the ticks, e.g. "rgba(0,0,0,0.15)" | |
| labelMargin: 5, // in pixels | |
| axisMargin: 8, // in pixels | |
| borderWidth: 2, // in pixels | |
| minBorderMargin: null, // in pixels, null means taken from points radius | |
| markings: null, // array of ranges or fn: axes -> array of ranges | |
| markingsColor: "#f4f4f4", | |
| markingsLineWidth: 2, | |
| // interactive stuff | |
| clickable: false, | |
| hoverable: false, | |
| autoHighlight: true, // highlight in case mouse is near | |
| mouseActiveRadius: 10 // how far the mouse can be away to activate an item | |
| }, | |
| hooks: {} | |
| }, | |
| canvas = null, // the canvas for the plot itself | |
| overlay = null, // canvas for interactive stuff on top of plot | |
| eventHolder = null, // jQuery object that events should be bound to | |
| ctx = null, octx = null, | |
| xaxes = [], yaxes = [], | |
| plotOffset = { left: 0, right: 0, top: 0, bottom: 0}, | |
| canvasWidth = 0, canvasHeight = 0, | |
| plotWidth = 0, plotHeight = 0, | |
| hooks = { | |
| processOptions: [], | |
| processRawData: [], | |
| processDatapoints: [], | |
| drawSeries: [], | |
| draw: [], | |
| bindEvents: [], | |
| drawOverlay: [], | |
| shutdown: [] | |
| }, | |
| plot = this; | |
| // public functions | |
| plot.setData = setData; | |
| plot.setupGrid = setupGrid; | |
| plot.draw = draw; | |
| plot.getPlaceholder = function() { return placeholder; }; | |
| plot.getCanvas = function() { return canvas; }; | |
| plot.getPlotOffset = function() { return plotOffset; }; | |
| plot.width = function () { return plotWidth; }; | |
| plot.height = function () { return plotHeight; }; | |
| plot.offset = function () { | |
| var o = eventHolder.offset(); | |
| o.left += plotOffset.left; | |
| o.top += plotOffset.top; | |
| return o; | |
| }; | |
| plot.getData = function () { return series; }; | |
| plot.getAxes = function () { | |
| var res = {}, i; | |
| $.each(xaxes.concat(yaxes), function (_, axis) { | |
| if (axis) | |
| res[axis.direction + (axis.n != 1 ? axis.n : "") + "axis"] = axis; | |
| }); | |
| return res; | |
| }; | |
| plot.getXAxes = function () { return xaxes; }; | |
| plot.getYAxes = function () { return yaxes; }; | |
| plot.c2p = canvasToAxisCoords; | |
| plot.p2c = axisToCanvasCoords; | |
| plot.getOptions = function () { return options; }; | |
| plot.highlight = highlight; | |
| plot.unhighlight = unhighlight; | |
| plot.triggerRedrawOverlay = triggerRedrawOverlay; | |
| plot.pointOffset = function(point) { | |
| return { | |
| left: parseInt(xaxes[axisNumber(point, "x") - 1].p2c(+point.x) + plotOffset.left), | |
| top: parseInt(yaxes[axisNumber(point, "y") - 1].p2c(+point.y) + plotOffset.top) | |
| }; | |
| }; | |
| plot.shutdown = shutdown; | |
| plot.resize = function () { | |
| getCanvasDimensions(); | |
| resizeCanvas(canvas); | |
| resizeCanvas(overlay); | |
| }; | |
| // public attributes | |
| plot.hooks = hooks; | |
| // initialize | |
| initPlugins(plot); | |
| parseOptions(options_); | |
| setupCanvases(); | |
| setData(data_); | |
| setupGrid(); | |
| draw(); | |
| bindEvents(); | |
| function executeHooks(hook, args) { | |
| args = [plot].concat(args); | |
| for (var i = 0; i < hook.length; ++i) | |
| hook[i].apply(this, args); | |
| } | |
| function initPlugins() { | |
| for (var i = 0; i < plugins.length; ++i) { | |
| var p = plugins[i]; | |
| p.init(plot); | |
| if (p.options) | |
| $.extend(true, options, p.options); | |
| } | |
| } | |
| function parseOptions(opts) { | |
| var i; | |
| $.extend(true, options, opts); | |
| if (options.xaxis.color == null) | |
| options.xaxis.color = options.grid.color; | |
| if (options.yaxis.color == null) | |
| options.yaxis.color = options.grid.color; | |
| if (options.xaxis.tickColor == null) // backwards-compatibility | |
| options.xaxis.tickColor = options.grid.tickColor; | |
| if (options.yaxis.tickColor == null) // backwards-compatibility | |
| options.yaxis.tickColor = options.grid.tickColor; | |
| if (options.grid.borderColor == null) | |
| options.grid.borderColor = options.grid.color; | |
| if (options.grid.tickColor == null) | |
| options.grid.tickColor = $.color.parse(options.grid.color).scale('a', 0.22).toString(); | |
| // fill in defaults in axes, copy at least always the | |
| // first as the rest of the code assumes it'll be there | |
| for (i = 0; i < Math.max(1, options.xaxes.length); ++i) | |
| options.xaxes[i] = $.extend(true, {}, options.xaxis, options.xaxes[i]); | |
| for (i = 0; i < Math.max(1, options.yaxes.length); ++i) | |
| options.yaxes[i] = $.extend(true, {}, options.yaxis, options.yaxes[i]); | |
| // backwards compatibility, to be removed in future | |
| if (options.xaxis.noTicks && options.xaxis.ticks == null) | |
| options.xaxis.ticks = options.xaxis.noTicks; | |
| if (options.yaxis.noTicks && options.yaxis.ticks == null) | |
| options.yaxis.ticks = options.yaxis.noTicks; | |
| if (options.x2axis) { | |
| options.xaxes[1] = $.extend(true, {}, options.xaxis, options.x2axis); | |
| options.xaxes[1].position = "top"; | |
| } | |
| if (options.y2axis) { | |
| options.yaxes[1] = $.extend(true, {}, options.yaxis, options.y2axis); | |
| options.yaxes[1].position = "right"; | |
| } | |
| if (options.grid.coloredAreas) | |
| options.grid.markings = options.grid.coloredAreas; | |
| if (options.grid.coloredAreasColor) | |
| options.grid.markingsColor = options.grid.coloredAreasColor; | |
| if (options.lines) | |
| $.extend(true, options.series.lines, options.lines); | |
| if (options.points) | |
| $.extend(true, options.series.points, options.points); | |
| if (options.bars) | |
| $.extend(true, options.series.bars, options.bars); | |
| if (options.shadowSize != null) | |
| options.series.shadowSize = options.shadowSize; | |
| // save options on axes for future reference | |
| for (i = 0; i < options.xaxes.length; ++i) | |
| getOrCreateAxis(xaxes, i + 1).options = options.xaxes[i]; | |
| for (i = 0; i < options.yaxes.length; ++i) | |
| getOrCreateAxis(yaxes, i + 1).options = options.yaxes[i]; | |
| // add hooks from options | |
| for (var n in hooks) | |
| if (options.hooks[n] && options.hooks[n].length) | |
| hooks[n] = hooks[n].concat(options.hooks[n]); | |
| executeHooks(hooks.processOptions, [options]); | |
| } | |
| function setData(d) { | |
| series = parseData(d); | |
| fillInSeriesOptions(); | |
| processData(); | |
| } | |
| function parseData(d) { | |
| var res = []; | |
| for (var i = 0; i < d.length; ++i) { | |
| var s = $.extend(true, {}, options.series); | |
| if (d[i].data != null) { | |
| s.data = d[i].data; // move the data instead of deep-copy | |
| delete d[i].data; | |
| $.extend(true, s, d[i]); | |
| d[i].data = s.data; | |
| } | |
| else | |
| s.data = d[i]; | |
| res.push(s); | |
| } | |
| return res; | |
| } | |
| function axisNumber(obj, coord) { | |
| var a = obj[coord + "axis"]; | |
| if (typeof a == "object") // if we got a real axis, extract number | |
| a = a.n; | |
| if (typeof a != "number") | |
| a = 1; // default to first axis | |
| return a; | |
| } | |
| function allAxes() { | |
| // return flat array without annoying null entries | |
| return $.grep(xaxes.concat(yaxes), function (a) { return a; }); | |
| } | |
| function canvasToAxisCoords(pos) { | |
| // return an object with x/y corresponding to all used axes | |
| var res = {}, i, axis; | |
| for (i = 0; i < xaxes.length; ++i) { | |
| axis = xaxes[i]; | |
| if (axis && axis.used) | |
| res["x" + axis.n] = axis.c2p(pos.left); | |
| } | |
| for (i = 0; i < yaxes.length; ++i) { | |
| axis = yaxes[i]; | |
| if (axis && axis.used) | |
| res["y" + axis.n] = axis.c2p(pos.top); | |
| } | |
| if (res.x1 !== undefined) | |
| res.x = res.x1; | |
| if (res.y1 !== undefined) | |
| res.y = res.y1; | |
| return res; | |
| } | |
| function axisToCanvasCoords(pos) { | |
| // get canvas coords from the first pair of x/y found in pos | |
| var res = {}, i, axis, key; | |
| for (i = 0; i < xaxes.length; ++i) { | |
| axis = xaxes[i]; | |
| if (axis && axis.used) { | |
| key = "x" + axis.n; | |
| if (pos[key] == null && axis.n == 1) | |
| key = "x"; | |
| if (pos[key] != null) { | |
| res.left = axis.p2c(pos[key]); | |
| break; | |
| } | |
| } | |
| } | |
| for (i = 0; i < yaxes.length; ++i) { | |
| axis = yaxes[i]; | |
| if (axis && axis.used) { | |
| key = "y" + axis.n; | |
| if (pos[key] == null && axis.n == 1) | |
| key = "y"; | |
| if (pos[key] != null) { | |
| res.top = axis.p2c(pos[key]); | |
| break; | |
| } | |
| } | |
| } | |
| return res; | |
| } | |
| function getOrCreateAxis(axes, number) { | |
| if (!axes[number - 1]) | |
| axes[number - 1] = { | |
| n: number, // save the number for future reference | |
| direction: axes == xaxes ? "x" : "y", | |
| options: $.extend(true, {}, axes == xaxes ? options.xaxis : options.yaxis) | |
| }; | |
| return axes[number - 1]; | |
| } | |
| function fillInSeriesOptions() { | |
| var i; | |
| // collect what we already got of colors | |
| var neededColors = series.length, | |
| usedColors = [], | |
| assignedColors = []; | |
| for (i = 0; i < series.length; ++i) { | |
| var sc = series[i].color; | |
| if (sc != null) { | |
| --neededColors; | |
| if (typeof sc == "number") | |
| assignedColors.push(sc); | |
| else | |
| usedColors.push($.color.parse(series[i].color)); | |
| } | |
| } | |
| // we might need to generate more colors if higher indices | |
| // are assigned | |
| for (i = 0; i < assignedColors.length; ++i) { | |
| neededColors = Math.max(neededColors, assignedColors[i] + 1); | |
| } | |
| // produce colors as needed | |
| var colors = [], variation = 0; | |
| i = 0; | |
| while (colors.length < neededColors) { | |
| var c; | |
| if (options.colors.length == i) // check degenerate case | |
| c = $.color.make(100, 100, 100); | |
| else | |
| c = $.color.parse(options.colors[i]); | |
| // vary color if needed | |
| var sign = variation % 2 == 1 ? -1 : 1; | |
| c.scale('rgb', 1 + sign * Math.ceil(variation / 2) * 0.2) | |
| // FIXME: if we're getting to close to something else, | |
| // we should probably skip this one | |
| colors.push(c); | |
| ++i; | |
| if (i >= options.colors.length) { | |
| i = 0; | |
| ++variation; | |
| } | |
| } | |
| // fill in the options | |
| var colori = 0, s; | |
| for (i = 0; i < series.length; ++i) { | |
| s = series[i]; | |
| // assign colors | |
| if (s.color == null) { | |
| s.color = colors[colori].toString(); | |
| ++colori; | |
| } | |
| else if (typeof s.color == "number") | |
| s.color = colors[s.color].toString(); | |
| // turn on lines automatically in case nothing is set | |
| if (s.lines.show == null) { | |
| var v, show = true; | |
| for (v in s) | |
| if (s[v] && s[v].show) { | |
| show = false; | |
| break; | |
| } | |
| if (show) | |
| s.lines.show = true; | |
| } | |
| // setup axes | |
| s.xaxis = getOrCreateAxis(xaxes, axisNumber(s, "x")); | |
| s.yaxis = getOrCreateAxis(yaxes, axisNumber(s, "y")); | |
| } | |
| } | |
| function processData() { | |
| var topSentry = Number.POSITIVE_INFINITY, | |
| bottomSentry = Number.NEGATIVE_INFINITY, | |
| fakeInfinity = Number.MAX_VALUE, | |
| i, j, k, m, length, | |
| s, points, ps, x, y, axis, val, f, p; | |
| function updateAxis(axis, min, max) { | |
| if (min < axis.datamin && min != -fakeInfinity) | |
| axis.datamin = min; | |
| if (max > axis.datamax && max != fakeInfinity) | |
| axis.datamax = max; | |
| } | |
| $.each(allAxes(), function (_, axis) { | |
| // init axis | |
| axis.datamin = topSentry; | |
| axis.datamax = bottomSentry; | |
| axis.used = false; | |
| }); | |
| for (i = 0; i < series.length; ++i) { | |
| s = series[i]; | |
| s.datapoints = { points: [] }; | |
| executeHooks(hooks.processRawData, [ s, s.data, s.datapoints ]); | |
| } | |
| // first pass: clean and copy data | |
| for (i = 0; i < series.length; ++i) { | |
| s = series[i]; | |
| var data = s.data, format = s.datapoints.format; | |
| if (!format) { | |
| format = []; | |
| // find out how to copy | |
| format.push({ x: true, number: true, required: true }); | |
| format.push({ y: true, number: true, required: true }); | |
| if (s.bars.show || (s.lines.show && s.lines.fill)) { | |
| format.push({ y: true, number: true, required: false, defaultValue: 0 }); | |
| if (s.bars.horizontal) { | |
| delete format[format.length - 1].y; | |
| format[format.length - 1].x = true; | |
| } | |
| } | |
| s.datapoints.format = format; | |
| } | |
| if (s.datapoints.pointsize != null) | |
| continue; // already filled in | |
| s.datapoints.pointsize = format.length; | |
| ps = s.datapoints.pointsize; | |
| points = s.datapoints.points; | |
| insertSteps = s.lines.show && s.lines.steps; | |
| s.xaxis.used = s.yaxis.used = true; | |
| for (j = k = 0; j < data.length; ++j, k += ps) { | |
| p = data[j]; | |
| var nullify = p == null; | |
| if (!nullify) { | |
| for (m = 0; m < ps; ++m) { | |
| val = p[m]; | |
| f = format[m]; | |
| if (f) { | |
| if (f.number && val != null) { | |
| val = +val; // convert to number | |
| if (isNaN(val)) | |
| val = null; | |
| else if (val == Infinity) | |
| val = fakeInfinity; | |
| else if (val == -Infinity) | |
| val = -fakeInfinity; | |
| } | |
| if (val == null) { | |
| if (f.required) | |
| nullify = true; | |
| if (f.defaultValue != null) | |
| val = f.defaultValue; | |
| } | |
| } | |
| points[k + m] = val; | |
| } | |
| } | |
| if (nullify) { | |
| for (m = 0; m < ps; ++m) { | |
| val = points[k + m]; | |
| if (val != null) { | |
| f = format[m]; | |
| // extract min/max info | |
| if (f.x) | |
| updateAxis(s.xaxis, val, val); | |
| if (f.y) | |
| updateAxis(s.yaxis, val, val); | |
| } | |
| points[k + m] = null; | |
| } | |
| } | |
| else { | |
| // a little bit of line specific stuff that | |
| // perhaps shouldn't be here, but lacking | |
| // better means... | |
| if (insertSteps && k > 0 | |
| && points[k - ps] != null | |
| && points[k - ps] != points[k] | |
| && points[k - ps + 1] != points[k + 1]) { | |
| // copy the point to make room for a middle point | |
| for (m = 0; m < ps; ++m) | |
| points[k + ps + m] = points[k + m]; | |
| // middle point has same y | |
| points[k + 1] = points[k - ps + 1]; | |
| // we've added a point, better reflect that | |
| k += ps; | |
| } | |
| } | |
| } | |
| } | |
| // give the hooks a chance to run | |
| for (i = 0; i < series.length; ++i) { | |
| s = series[i]; | |
| executeHooks(hooks.processDatapoints, [ s, s.datapoints]); | |
| } | |
| // second pass: find datamax/datamin for auto-scaling | |
| for (i = 0; i < series.length; ++i) { | |
| s = series[i]; | |
| points = s.datapoints.points, | |
| ps = s.datapoints.pointsize; | |
| var xmin = topSentry, ymin = topSentry, | |
| xmax = bottomSentry, ymax = bottomSentry; | |
| for (j = 0; j < points.length; j += ps) { | |
| if (points[j] == null) | |
| continue; | |
| for (m = 0; m < ps; ++m) { | |
| val = points[j + m]; | |
| f = format[m]; | |
| if (!f || val == fakeInfinity || val == -fakeInfinity) | |
| continue; | |
| if (f.x) { | |
| if (val < xmin) | |
| xmin = val; | |
| if (val > xmax) | |
| xmax = val; | |
| } | |
| if (f.y) { | |
| if (val < ymin) | |
| ymin = val; | |
| if (val > ymax) | |
| ymax = val; | |
| } | |
| } | |
| } | |
| if (s.bars.show) { | |
| // make sure we got room for the bar on the dancing floor | |
| var delta = s.bars.align == "left" ? 0 : -s.bars.barWidth/2; | |
| if (s.bars.horizontal) { | |
| ymin += delta; | |
| ymax += delta + s.bars.barWidth; | |
| } | |
| else { | |
| xmin += delta; | |
| xmax += delta + s.bars.barWidth; | |
| } | |
| } | |
| updateAxis(s.xaxis, xmin, xmax); | |
| updateAxis(s.yaxis, ymin, ymax); | |
| } | |
| $.each(allAxes(), function (_, axis) { | |
| if (axis.datamin == topSentry) | |
| axis.datamin = null; | |
| if (axis.datamax == bottomSentry) | |
| axis.datamax = null; | |
| }); | |
| } | |
| function makeCanvas(skipPositioning, cls) { | |
| var c = document.createElement('canvas'); | |
| c.className = cls; | |
| c.width = canvasWidth; | |
| c.height = canvasHeight; | |
| if (!skipPositioning) | |
| $(c).css({ position: 'absolute', left: 0, top: 0 }); | |
| $(c).appendTo(placeholder); | |
| if (!c.getContext) // excanvas hack | |
| c = window.G_vmlCanvasManager.initElement(c); | |
| // used for resetting in case we get replotted | |
| c.getContext("2d").save(); | |
| return c; | |
| } | |
| function getCanvasDimensions() { | |
| canvasWidth = placeholder.width(); | |
| canvasHeight = placeholder.height(); | |
| if (canvasWidth <= 0 || canvasHeight <= 0) | |
| throw "Invalid dimensions for plot, width = " + canvasWidth + ", height = " + canvasHeight; | |
| } | |
| function resizeCanvas(c) { | |
| // resizing should reset the state (excanvas seems to be | |
| // buggy though) | |
| if (c.width != canvasWidth) | |
| c.width = canvasWidth; | |
| if (c.height != canvasHeight) | |
| c.height = canvasHeight; | |
| // so try to get back to the initial state (even if it's | |
| // gone now, this should be safe according to the spec) | |
| var cctx = c.getContext("2d"); | |
| cctx.restore(); | |
| // and save again | |
| cctx.save(); | |
| } | |
| function setupCanvases() { | |
| var reused, | |
| existingCanvas = placeholder.children("canvas.base"), | |
| existingOverlay = placeholder.children("canvas.overlay"); | |
| if (existingCanvas.length == 0 || existingOverlay == 0) { | |
| // init everything | |
| placeholder.html(""); // make sure placeholder is clear | |
| placeholder.css({ padding: 0 }); // padding messes up the positioning | |
| if (placeholder.css("position") == 'static') | |
| placeholder.css("position", "relative"); // for positioning labels and overlay | |
| getCanvasDimensions(); | |
| canvas = makeCanvas(true, "base"); | |
| overlay = makeCanvas(false, "overlay"); // overlay canvas for interactive features | |
| reused = false; | |
| } | |
| else { | |
| // reuse existing elements | |
| canvas = existingCanvas.get(0); | |
| overlay = existingOverlay.get(0); | |
| reused = true; | |
| } | |
| ctx = canvas.getContext("2d"); | |
| octx = overlay.getContext("2d"); | |
| // we include the canvas in the event holder too, because IE 7 | |
| // sometimes has trouble with the stacking order | |
| eventHolder = $([overlay, canvas]); | |
| if (reused) { | |
| // run shutdown in the old plot object | |
| placeholder.data("plot").shutdown(); | |
| // reset reused canvases | |
| plot.resize(); | |
| // make sure overlay pixels are cleared (canvas is cleared when we redraw) | |
| octx.clearRect(0, 0, canvasWidth, canvasHeight); | |
| // then whack any remaining obvious garbage left | |
| eventHolder.unbind(); | |
| placeholder.children().not([canvas, overlay]).remove(); | |
| } | |
| // save in case we get replotted | |
| placeholder.data("plot", plot); | |
| } | |
| function bindEvents() { | |
| // bind events | |
| if (options.grid.hoverable) { | |
| eventHolder.mousemove(onMouseMove); | |
| eventHolder.mouseleave(onMouseLeave); | |
| } | |
| if (options.grid.clickable) | |
| eventHolder.click(onClick); | |
| executeHooks(hooks.bindEvents, [eventHolder]); | |
| } | |
| function shutdown() { | |
| if (redrawTimeout) | |
| clearTimeout(redrawTimeout); | |
| eventHolder.unbind("mousemove", onMouseMove); | |
| eventHolder.unbind("mouseleave", onMouseLeave); | |
| eventHolder.unbind("click", onClick); | |
| executeHooks(hooks.shutdown, [eventHolder]); | |
| } | |
| function setTransformationHelpers(axis) { | |
| // set helper functions on the axis, assumes plot area | |
| // has been computed already | |
| function identity(x) { return x; } | |
| var s, m, t = axis.options.transform || identity, | |
| it = axis.options.inverseTransform; | |
| // precompute how much the axis is scaling a point | |
| // in canvas space | |
| if (axis.direction == "x") { | |
| s = axis.scale = plotWidth / Math.abs(t(axis.max) - t(axis.min)); | |
| m = Math.min(t(axis.max), t(axis.min)); | |
| } | |
| else { | |
| s = axis.scale = plotHeight / Math.abs(t(axis.max) - t(axis.min)); | |
| s = -s; | |
| m = Math.max(t(axis.max), t(axis.min)); | |
| } | |
| // data point to canvas coordinate | |
| if (t == identity) // slight optimization | |
| axis.p2c = function (p) { return (p - m) * s; }; | |
| else | |
| axis.p2c = function (p) { return (t(p) - m) * s; }; | |
| // canvas coordinate to data point | |
| if (!it) | |
| axis.c2p = function (c) { return m + c / s; }; | |
| else | |
| axis.c2p = function (c) { return it(m + c / s); }; | |
| } | |
| function measureTickLabels(axis) { | |
| var opts = axis.options, i, ticks = axis.ticks || [], labels = [], | |
| l, w = opts.labelWidth, h = opts.labelHeight, dummyDiv; | |
| function makeDummyDiv(labels, width) { | |
| return $('<div style="position:absolute;top:-10000px;' + width + 'font-size:smaller">' + | |
| '<div class="' + axis.direction + 'Axis ' + axis.direction + axis.n + 'Axis">' | |
| + labels.join("") + '</div></div>') | |
| .appendTo(placeholder); | |
| } | |
| if (axis.direction == "x") { | |
| // to avoid measuring the widths of the labels (it's slow), we | |
| // construct fixed-size boxes and put the labels inside | |
| // them, we don't need the exact figures and the | |
| // fixed-size box content is easy to center | |
| if (w == null) | |
| w = Math.floor(canvasWidth / (ticks.length > 0 ? ticks.length : 1)); | |
| // measure x label heights | |
| if (h == null) { | |
| labels = []; | |
| for (i = 0; i < ticks.length; ++i) { | |
| l = ticks[i].label; | |
| if (l) | |
| labels.push('<div class="tickLabel" style="float:left;width:' + w + 'px">' + l + '</div>'); | |
| } | |
| if (labels.length > 0) { | |
| // stick them all in the same div and measure | |
| // collective height | |
| labels.push('<div style="clear:left"></div>'); | |
| dummyDiv = makeDummyDiv(labels, "width:10000px;"); | |
| h = dummyDiv.height(); | |
| dummyDiv.remove(); | |
| } | |
| } | |
| } | |
| else if (w == null || h == null) { | |
| // calculate y label dimensions | |
| for (i = 0; i < ticks.length; ++i) { | |
| l = ticks[i].label; | |
| if (l) | |
| labels.push('<div class="tickLabel">' + l + '</div>'); | |
| } | |
| if (labels.length > 0) { | |
| dummyDiv = makeDummyDiv(labels, ""); | |
| if (w == null) | |
| w = dummyDiv.children().width(); | |
| if (h == null) | |
| h = dummyDiv.find("div.tickLabel").height(); | |
| dummyDiv.remove(); | |
| } | |
| } | |
| if (w == null) | |
| w = 0; | |
| if (h == null) | |
| h = 0; | |
| axis.labelWidth = w; | |
| axis.labelHeight = h; | |
| } | |
| function allocateAxisBoxFirstPhase(axis) { | |
| // find the bounding box of the axis by looking at label | |
| // widths/heights and ticks, make room by diminishing the | |
| // plotOffset | |
| var lw = axis.labelWidth, | |
| lh = axis.labelHeight, | |
| pos = axis.options.position, | |
| tickLength = axis.options.tickLength, | |
| axismargin = options.grid.axisMargin, | |
| padding = options.grid.labelMargin, | |
| all = axis.direction == "x" ? xaxes : yaxes, | |
| index; | |
| // determine axis margin | |
| var samePosition = $.grep(all, function (a) { | |
| return a && a.options.position == pos && a.reserveSpace; | |
| }); | |
| if ($.inArray(axis, samePosition) == samePosition.length - 1) | |
| axismargin = 0; // outermost | |
| // determine tick length - if we're innermost, we can use "full" | |
| if (tickLength == null) | |
| tickLength = "full"; | |
| var sameDirection = $.grep(all, function (a) { | |
| return a && a.reserveSpace; | |
| }); | |
| var innermost = $.inArray(axis, sameDirection) == 0; | |
| if (!innermost && tickLength == "full") | |
| tickLength = 5; | |
| if (!isNaN(+tickLength)) | |
| padding += +tickLength; | |
| // compute box | |
| if (axis.direction == "x") { | |
| lh += padding; | |
| if (pos == "bottom") { | |
| plotOffset.bottom += lh + axismargin; | |
| axis.box = { top: canvasHeight - plotOffset.bottom, height: lh }; | |
| } | |
| else { | |
| axis.box = { top: plotOffset.top + axismargin, height: lh }; | |
| plotOffset.top += lh + axismargin; | |
| } | |
| } | |
| else { | |
| lw += padding; | |
| if (pos == "left") { | |
| axis.box = { left: plotOffset.left + axismargin, width: lw }; | |
| plotOffset.left += lw + axismargin; | |
| } | |
| else { | |
| plotOffset.right += lw + axismargin; | |
| axis.box = { left: canvasWidth - plotOffset.right, width: lw }; | |
| } | |
| } | |
| // save for future reference | |
| axis.position = pos; | |
| axis.tickLength = tickLength; | |
| axis.box.padding = padding; | |
| axis.innermost = innermost; | |
| } | |
| function allocateAxisBoxSecondPhase(axis) { | |
| // set remaining bounding box coordinates | |
| if (axis.direction == "x") { | |
| axis.box.left = plotOffset.left; | |
| axis.box.width = plotWidth; | |
| } | |
| else { | |
| axis.box.top = plotOffset.top; | |
| axis.box.height = plotHeight; | |
| } | |
| } | |
| function setupGrid() { | |
| var i, axes = allAxes(); | |
| // first calculate the plot and axis box dimensions | |
| $.each(axes, function (_, axis) { | |
| axis.show = axis.options.show; | |
| if (axis.show == null) | |
| axis.show = axis.used; // by default an axis is visible if it's got data | |
| axis.reserveSpace = axis.show || axis.options.reserveSpace; | |
| setRange(axis); | |
| }); | |
| allocatedAxes = $.grep(axes, function (axis) { return axis.reserveSpace; }); | |
| plotOffset.left = plotOffset.right = plotOffset.top = plotOffset.bottom = 0; | |
| if (options.grid.show) { | |
| $.each(allocatedAxes, function (_, axis) { | |
| // make the ticks | |
| setupTickGeneration(axis); | |
| setTicks(axis); | |
| snapRangeToTicks(axis, axis.ticks); | |
| // find labelWidth/Height for axis | |
| measureTickLabels(axis); | |
| }); | |
| // with all dimensions in house, we can compute the | |
| // axis boxes, start from the outside (reverse order) | |
| for (i = allocatedAxes.length - 1; i >= 0; --i) | |
| allocateAxisBoxFirstPhase(allocatedAxes[i]); | |
| // make sure we've got enough space for things that | |
| // might stick out | |
| var minMargin = options.grid.minBorderMargin; | |
| if (minMargin == null) { | |
| minMargin = 0; | |
| for (i = 0; i < series.length; ++i) | |
| minMargin = Math.max(minMargin, series[i].points.radius + series[i].points.lineWidth/2); | |
| } | |
| for (var a in plotOffset) { | |
| plotOffset[a] += options.grid.borderWidth; | |
| plotOffset[a] = Math.max(minMargin, plotOffset[a]); | |
| } | |
| } | |
| plotWidth = canvasWidth - plotOffset.left - plotOffset.right; | |
| plotHeight = canvasHeight - plotOffset.bottom - plotOffset.top; | |
| // now we got the proper plotWidth/Height, we can compute the scaling | |
| $.each(axes, function (_, axis) { | |
| setTransformationHelpers(axis); | |
| }); | |
| if (options.grid.show) { | |
| $.each(allocatedAxes, function (_, axis) { | |
| allocateAxisBoxSecondPhase(axis); | |
| }); | |
| insertAxisLabels(); | |
| } | |
| insertLegend(); | |
| } | |
| function setRange(axis) { | |
| var opts = axis.options, | |
| min = +(opts.min != null ? opts.min : axis.datamin), | |
| max = +(opts.max != null ? opts.max : axis.datamax), | |
| delta = max - min; | |
| if (delta == 0.0) { | |
| // degenerate case | |
| var widen = max == 0 ? 1 : 0.01; | |
| if (opts.min == null) | |
| min -= widen; | |
| // always widen max if we couldn't widen min to ensure we | |
| // don't fall into min == max which doesn't work | |
| if (opts.max == null || opts.min != null) | |
| max += widen; | |
| } | |
| else { | |
| // consider autoscaling | |
| var margin = opts.autoscaleMargin; | |
| if (margin != null) { | |
| if (opts.min == null) { | |
| min -= delta * margin; | |
| // make sure we don't go below zero if all values | |
| // are positive | |
| if (min < 0 && axis.datamin != null && axis.datamin >= 0) | |
| min = 0; | |
| } | |
| if (opts.max == null) { | |
| max += delta * margin; | |
| if (max > 0 && axis.datamax != null && axis.datamax <= 0) | |
| max = 0; | |
| } | |
| } | |
| } | |
| axis.min = min; | |
| axis.max = max; | |
| } | |
| function setupTickGeneration(axis) { | |
| var opts = axis.options; | |
| // estimate number of ticks | |
| var noTicks; | |
| if (typeof opts.ticks == "number" && opts.ticks > 0) | |
| noTicks = opts.ticks; | |
| else | |
| // heuristic based on the model a*sqrt(x) fitted to | |
| // some data points that seemed reasonable | |
| noTicks = 0.3 * Math.sqrt(axis.direction == "x" ? canvasWidth : canvasHeight); | |
| var delta = (axis.max - axis.min) / noTicks, | |
| size, generator, unit, formatter, i, magn, norm; | |
| if (opts.mode == "time") { | |
| // pretty handling of time | |
| // map of app. size of time units in milliseconds | |
| var timeUnitSize = { | |
| "second": 1000, | |
| "minute": 60 * 1000, | |
| "hour": 60 * 60 * 1000, | |
| "day": 24 * 60 * 60 * 1000, | |
| "month": 30 * 24 * 60 * 60 * 1000, | |
| "year": 365.2425 * 24 * 60 * 60 * 1000 | |
| }; | |
| // the allowed tick sizes, after 1 year we use | |
| // an integer algorithm | |
| var spec = [ | |
| [1, "second"], [2, "second"], [5, "second"], [10, "second"], | |
| [30, "second"], | |
| [1, "minute"], [2, "minute"], [5, "minute"], [10, "minute"], | |
| [30, "minute"], | |
| [1, "hour"], [2, "hour"], [4, "hour"], | |
| [8, "hour"], [12, "hour"], | |
| [1, "day"], [2, "day"], [3, "day"], | |
| [0.25, "month"], [0.5, "month"], [1, "month"], | |
| [2, "month"], [3, "month"], [6, "month"], | |
| [1, "year"] | |
| ]; | |
| var minSize = 0; | |
| if (opts.minTickSize != null) { | |
| if (typeof opts.tickSize == "number") | |
| minSize = opts.tickSize; | |
| else | |
| minSize = opts.minTickSize[0] * timeUnitSize[opts.minTickSize[1]]; | |
| } | |
| for (var i = 0; i < spec.length - 1; ++i) | |
| if (delta < (spec[i][0] * timeUnitSize[spec[i][1]] | |
| + spec[i + 1][0] * timeUnitSize[spec[i + 1][1]]) / 2 | |
| && spec[i][0] * timeUnitSize[spec[i][1]] >= minSize) | |
| break; | |
| size = spec[i][0]; | |
| unit = spec[i][1]; | |
| // special-case the possibility of several years | |
| if (unit == "year") { | |
| magn = Math.pow(10, Math.floor(Math.log(delta / timeUnitSize.year) / Math.LN10)); | |
| norm = (delta / timeUnitSize.year) / magn; | |
| if (norm < 1.5) | |
| size = 1; | |
| else if (norm < 3) | |
| size = 2; | |
| else if (norm < 7.5) | |
| size = 5; | |
| else | |
| size = 10; | |
| size *= magn; | |
| } | |
| axis.tickSize = opts.tickSize || [size, unit]; | |
| generator = function(axis) { | |
| var ticks = [], | |
| tickSize = axis.tickSize[0], unit = axis.tickSize[1], | |
| d = new Date(axis.min); | |
| var step = tickSize * timeUnitSize[unit]; | |
| if (unit == "second") | |
| d.setUTCSeconds(floorInBase(d.getUTCSeconds(), tickSize)); | |
| if (unit == "minute") | |
| d.setUTCMinutes(floorInBase(d.getUTCMinutes(), tickSize)); | |
| if (unit == "hour") | |
| d.setUTCHours(floorInBase(d.getUTCHours(), tickSize)); | |
| if (unit == "month") | |
| d.setUTCMonth(floorInBase(d.getUTCMonth(), tickSize)); | |
| if (unit == "year") | |
| d.setUTCFullYear(floorInBase(d.getUTCFullYear(), tickSize)); | |
| // reset smaller components | |
| d.setUTCMilliseconds(0); | |
| if (step >= timeUnitSize.minute) | |
| d.setUTCSeconds(0); | |
| if (step >= timeUnitSize.hour) | |
| d.setUTCMinutes(0); | |
| if (step >= timeUnitSize.day) | |
| d.setUTCHours(0); | |
| if (step >= timeUnitSize.day * 4) | |
| d.setUTCDate(1); | |
| if (step >= timeUnitSize.year) | |
| d.setUTCMonth(0); | |
| var carry = 0, v = Number.NaN, prev; | |
| do { | |
| prev = v; | |
| v = d.getTime(); | |
| ticks.push(v); | |
| if (unit == "month") { | |
| if (tickSize < 1) { | |
| // a bit complicated - we'll divide the month | |
| // up but we need to take care of fractions | |
| // so we don't end up in the middle of a day | |
| d.setUTCDate(1); | |
| var start = d.getTime(); | |
| d.setUTCMonth(d.getUTCMonth() + 1); | |
| var end = d.getTime(); | |
| d.setTime(v + carry * timeUnitSize.hour + (end - start) * tickSize); | |
| carry = d.getUTCHours(); | |
| d.setUTCHours(0); | |
| } | |
| else | |
| d.setUTCMonth(d.getUTCMonth() + tickSize); | |
| } | |
| else if (unit == "year") { | |
| d.setUTCFullYear(d.getUTCFullYear() + tickSize); | |
| } | |
| else | |
| d.setTime(v + step); | |
| } while (v < axis.max && v != prev); | |
| return ticks; | |
| }; | |
| formatter = function (v, axis) { | |
| var d = new Date(v); | |
| // first check global format | |
| if (opts.timeformat != null) | |
| return $.plot.formatDate(d, opts.timeformat, opts.monthNames); | |
| var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]]; | |
| var span = axis.max - axis.min; | |
| var suffix = (opts.twelveHourClock) ? " %p" : ""; | |
| if (t < timeUnitSize.minute) | |
| fmt = "%h:%M:%S" + suffix; | |
| else if (t < timeUnitSize.day) { | |
| if (span < 2 * timeUnitSize.day) | |
| fmt = "%h:%M" + suffix; | |
| else | |
| fmt = "%b %d %h:%M" + suffix; | |
| } | |
| else if (t < timeUnitSize.month) | |
| fmt = "%b %d"; | |
| else if (t < timeUnitSize.year) { | |
| if (span < timeUnitSize.year) | |
| fmt = "%b"; | |
| else | |
| fmt = "%b %y"; | |
| } | |
| else | |
| fmt = "%y"; | |
| return $.plot.formatDate(d, fmt, opts.monthNames); | |
| }; | |
| } | |
| else { | |
| // pretty rounding of base-10 numbers | |
| var maxDec = opts.tickDecimals; | |
| var dec = -Math.floor(Math.log(delta) / Math.LN10); | |
| if (maxDec != null && dec > maxDec) | |
| dec = maxDec; | |
| magn = Math.pow(10, -dec); | |
| norm = delta / magn; // norm is between 1.0 and 10.0 | |
| if (norm < 1.5) | |
| size = 1; | |
| else if (norm < 3) { | |
| size = 2; | |
| // special case for 2.5, requires an extra decimal | |
| if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) { | |
| size = 2.5; | |
| ++dec; | |
| } | |
| } | |
| else if (norm < 7.5) | |
| size = 5; | |
| else | |
| size = 10; | |
| size *= magn; | |
| if (opts.minTickSize != null && size < opts.minTickSize) | |
| size = opts.minTickSize; | |
| axis.tickDecimals = Math.max(0, maxDec != null ? maxDec : dec); | |
| axis.tickSize = opts.tickSize || size; | |
| generator = function (axis) { | |
| var ticks = []; | |
| // spew out all possible ticks | |
| var start = floorInBase(axis.min, axis.tickSize), | |
| i = 0, v = Number.NaN, prev; | |
| do { | |
| prev = v; | |
| v = start + i * axis.tickSize; | |
| ticks.push(v); | |
| ++i; | |
| } while (v < axis.max && v != prev); | |
| return ticks; | |
| }; | |
| formatter = function (v, axis) { | |
| return v.toFixed(axis.tickDecimals); | |
| }; | |
| } | |
| if (opts.alignTicksWithAxis != null) { | |
| var otherAxis = (axis.direction == "x" ? xaxes : yaxes)[opts.alignTicksWithAxis - 1]; | |
| if (otherAxis && otherAxis.used && otherAxis != axis) { | |
| // consider snapping min/max to outermost nice ticks | |
| var niceTicks = generator(axis); | |
| if (niceTicks.length > 0) { | |
| if (opts.min == null) | |
| axis.min = Math.min(axis.min, niceTicks[0]); | |
| if (opts.max == null && niceTicks.length > 1) | |
| axis.max = Math.max(axis.max, niceTicks[niceTicks.length - 1]); | |
| } | |
| generator = function (axis) { | |
| // copy ticks, scaled to this axis | |
| var ticks = [], v, i; | |
| for (i = 0; i < otherAxis.ticks.length; ++i) { | |
| v = (otherAxis.ticks[i].v - otherAxis.min) / (otherAxis.max - otherAxis.min); | |
| v = axis.min + v * (axis.max - axis.min); | |
| ticks.push(v); | |
| } | |
| return ticks; | |
| }; | |
| // we might need an extra decimal since forced | |
| // ticks don't necessarily fit naturally | |
| if (axis.mode != "time" && opts.tickDecimals == null) { | |
| var extraDec = Math.max(0, -Math.floor(Math.log(delta) / Math.LN10) + 1), | |
| ts = generator(axis); | |
| // only proceed if the tick interval rounded | |
| // with an extra decimal doesn't give us a | |
| // zero at end | |
| if (!(ts.length > 1 && /\..*0$/.test((ts[1] - ts[0]).toFixed(extraDec)))) | |
| axis.tickDecimals = extraDec; | |
| } | |
| } | |
| } | |
| axis.tickGenerator = generator; | |
| if ($.isFunction(opts.tickFormatter)) | |
| axis.tickFormatter = function (v, axis) { return "" + opts.tickFormatter(v, axis); }; | |
| else | |
| axis.tickFormatter = formatter; | |
| } | |
| function setTicks(axis) { | |
| var oticks = axis.options.ticks, ticks = []; | |
| if (oticks == null || (typeof oticks == "number" && oticks > 0)) | |
| ticks = axis.tickGenerator(axis); | |
| else if (oticks) { | |
| if ($.isFunction(oticks)) | |
| // generate the ticks | |
| ticks = oticks({ min: axis.min, max: axis.max }); | |
| else | |
| ticks = oticks; | |
| } | |
| // clean up/labelify the supplied ticks, copy them over | |
| var i, v; | |
| axis.ticks = []; | |
| for (i = 0; i < ticks.length; ++i) { | |
| var label = null; | |
| var t = ticks[i]; | |
| if (typeof t == "object") { | |
| v = +t[0]; | |
| if (t.length > 1) | |
| label = t[1]; | |
| } | |
| else | |
| v = +t; | |
| if (label == null) | |
| label = axis.tickFormatter(v, axis); | |
| if (!isNaN(v)) | |
| axis.ticks.push({ v: v, label: label }); | |
| } | |
| } | |
| function snapRangeToTicks(axis, ticks) { | |
| if (axis.options.autoscaleMargin && ticks.length > 0) { | |
| // snap to ticks | |
| if (axis.options.min == null) | |
| axis.min = Math.min(axis.min, ticks[0].v); | |
| if (axis.options.max == null && ticks.length > 1) | |
| axis.max = Math.max(axis.max, ticks[ticks.length - 1].v); | |
| } | |
| } | |
| function draw() { | |
| ctx.clearRect(0, 0, canvasWidth, canvasHeight); | |
| var grid = options.grid; | |
| // draw background, if any | |
| if (grid.show && grid.backgroundColor) | |
| drawBackground(); | |
| if (grid.show && !grid.aboveData) | |
| drawGrid(); | |
| for (var i = 0; i < series.length; ++i) { | |
| executeHooks(hooks.drawSeries, [ctx, series[i]]); | |
| drawSeries(series[i]); | |
| } | |
| executeHooks(hooks.draw, [ctx]); | |
| if (grid.show && grid.aboveData) | |
| drawGrid(); | |
| } | |
| function extractRange(ranges, coord) { | |
| var axis, from, to, key, axes = allAxes(); | |
| for (i = 0; i < axes.length; ++i) { | |
| axis = axes[i]; | |
| if (axis.direction == coord) { | |
| key = coord + axis.n + "axis"; | |
| if (!ranges[key] && axis.n == 1) | |
| key = coord + "axis"; // support x1axis as xaxis | |
| if (ranges[key]) { | |
| from = ranges[key].from; | |
| to = ranges[key].to; | |
| break; | |
| } | |
| } | |
| } | |
| // backwards-compat stuff - to be removed in future | |
| if (!ranges[key]) { | |
| axis = coord == "x" ? xaxes[0] : yaxes[0]; | |
| from = ranges[coord + "1"]; | |
| to = ranges[coord + "2"]; | |
| } | |
| // auto-reverse as an added bonus | |
| if (from != null && to != null && from > to) { | |
| var tmp = from; | |
| from = to; | |
| to = tmp; | |
| } | |
| return { from: from, to: to, axis: axis }; | |
| } | |
| function drawBackground() { | |
| ctx.save(); | |
| ctx.translate(plotOffset.left, plotOffset.top); | |
| ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)"); | |
| ctx.fillRect(0, 0, plotWidth, plotHeight); | |
| ctx.restore(); | |
| } | |
| function drawGrid() { | |
| var i; | |
| ctx.save(); | |
| ctx.translate(plotOffset.left, plotOffset.top); | |
| // draw markings | |
| var markings = options.grid.markings; | |
| if (markings) { | |
| if ($.isFunction(markings)) { | |
| var axes = plot.getAxes(); | |
| // xmin etc. is backwards compatibility, to be | |
| // removed in the future | |
| axes.xmin = axes.xaxis.min; | |
| axes.xmax = axes.xaxis.max; | |
| axes.ymin = axes.yaxis.min; | |
| axes.ymax = axes.yaxis.max; | |
| markings = markings(axes); | |
| } | |
| for (i = 0; i < markings.length; ++i) { | |
| var m = markings[i], | |
| xrange = extractRange(m, "x"), | |
| yrange = extractRange(m, "y"); | |
| // fill in missing | |
| if (xrange.from == null) | |
| xrange.from = xrange.axis.min; | |
| if (xrange.to == null) | |
| xrange.to = xrange.axis.max; | |
| if (yrange.from == null) | |
| yrange.from = yrange.axis.min; | |
| if (yrange.to == null) | |
| yrange.to = yrange.axis.max; | |
| // clip | |
| if (xrange.to < xrange.axis.min || xrange.from > xrange.axis.max || | |
| yrange.to < yrange.axis.min || yrange.from > yrange.axis.max) | |
| continue; | |
| xrange.from = Math.max(xrange.from, xrange.axis.min); | |
| xrange.to = Math.min(xrange.to, xrange.axis.max); | |
| yrange.from = Math.max(yrange.from, yrange.axis.min); | |
| yrange.to = Math.min(yrange.to, yrange.axis.max); | |
| if (xrange.from == xrange.to && yrange.from == yrange.to) | |
| continue; | |
| // then draw | |
| xrange.from = xrange.axis.p2c(xrange.from); | |
| xrange.to = xrange.axis.p2c(xrange.to); | |
| yrange.from = yrange.axis.p2c(yrange.from); | |
| yrange.to = yrange.axis.p2c(yrange.to); | |
| if (xrange.from == xrange.to || yrange.from == yrange.to) { | |
| // draw line | |
| ctx.beginPath(); | |
| ctx.strokeStyle = m.color || options.grid.markingsColor; | |
| ctx.lineWidth = m.lineWidth || options.grid.markingsLineWidth; | |
| ctx.moveTo(xrange.from, yrange.from); | |
| ctx.lineTo(xrange.to, yrange.to); | |
| ctx.stroke(); | |
| } | |
| else { | |
| // fill area | |
| ctx.fillStyle = m.color || options.grid.markingsColor; | |
| ctx.fillRect(xrange.from, yrange.to, | |
| xrange.to - xrange.from, | |
| yrange.from - yrange.to); | |
| } | |
| } | |
| } | |
| // draw the ticks | |
| var axes = allAxes(), bw = options.grid.borderWidth; | |
| for (var j = 0; j < axes.length; ++j) { | |
| var axis = axes[j], box = axis.box, | |
| t = axis.tickLength, x, y, xoff, yoff; | |
| if (!axis.show || axis.ticks.length == 0) | |
| continue | |
| ctx.strokeStyle = axis.options.tickColor || $.color.parse(axis.options.color).scale('a', 0.22).toString(); | |
| ctx.lineWidth = 1; | |
| // find the edges | |
| if (axis.direction == "x") { | |
| x = 0; | |
| if (t == "full") | |
| y = (axis.position == "top" ? 0 : plotHeight); | |
| else | |
| y = box.top - plotOffset.top + (axis.position == "top" ? box.height : 0); | |
| } | |
| else { | |
| y = 0; | |
| if (t == "full") | |
| x = (axis.position == "left" ? 0 : plotWidth); | |
| else | |
| x = box.left - plotOffset.left + (axis.position == "left" ? box.width : 0); | |
| } | |
| // draw tick bar | |
| if (!axis.innermost) { | |
| ctx.beginPath(); | |
| xoff = yoff = 0; | |
| if (axis.direction == "x") | |
| xoff = plotWidth; | |
| else | |
| yoff = plotHeight; | |
| if (ctx.lineWidth == 1) { | |
| x = Math.floor(x) + 0.5; | |
| y = Math.floor(y) + 0.5; | |
| } | |
| ctx.moveTo(x, y); | |
| ctx.lineTo(x + xoff, y + yoff); | |
| ctx.stroke(); | |
| } | |
| // draw ticks | |
| ctx.beginPath(); | |
| for (i = 0; i < axis.ticks.length; ++i) { | |
| var v = axis.ticks[i].v; | |
| xoff = yoff = 0; | |
| if (v < axis.min || v > axis.max | |
| // skip those lying on the axes if we got a border | |
| || (t == "full" && bw > 0 | |
| && (v == axis.min || v == axis.max))) | |
| continue; | |
| if (axis.direction == "x") { | |
| x = axis.p2c(v); | |
| yoff = t == "full" ? -plotHeight : t; | |
| if (axis.position == "top") | |
| yoff = -yoff; | |
| } | |
| else { | |
| y = axis.p2c(v); | |
| xoff = t == "full" ? -plotWidth : t; | |
| if (axis.position == "left") | |
| xoff = -xoff; | |
| } | |
| if (ctx.lineWidth == 1) { | |
| if (axis.direction == "x") | |
| x = Math.floor(x) + 0.5; | |
| else | |
| y = Math.floor(y) + 0.5; | |
| } | |
| ctx.moveTo(x, y); | |
| ctx.lineTo(x + xoff, y + yoff); | |
| } | |
| ctx.stroke(); | |
| } | |
| // draw border | |
| if (bw) { | |
| ctx.lineWidth = bw; | |
| ctx.strokeStyle = options.grid.borderColor; | |
| ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw); | |
| } | |
| ctx.restore(); | |
| } | |
| function insertAxisLabels() { | |
| placeholder.find(".tickLabels").remove(); | |
| var html = ['<div class="tickLabels" style="font-size:smaller">']; | |
| var axes = allAxes(); | |
| for (var j = 0; j < axes.length; ++j) { | |
| var axis = axes[j], box = axis.box; | |
| if (!axis.show) | |
| continue; | |
| //debug: html.push('<div style="position:absolute;opacity:0.10;background-color:red;left:' + box.left + 'px;top:' + box.top + 'px;width:' + box.width + 'px;height:' + box.height + 'px"></div>') | |
| html.push('<div class="' + axis.direction + 'Axis ' + axis.direction + axis.n + 'Axis" style="color:' + axis.options.color + '">'); | |
| for (var i = 0; i < axis.ticks.length; ++i) { | |
| var tick = axis.ticks[i]; | |
| if (!tick.label || tick.v < axis.min || tick.v > axis.max) | |
| continue; | |
| var pos = {}, align; | |
| if (axis.direction == "x") { | |
| align = "center"; | |
| pos.left = Math.round(plotOffset.left + axis.p2c(tick.v) - axis.labelWidth/2); | |
| if (axis.position == "bottom") | |
| pos.top = box.top + box.padding; | |
| else | |
| pos.bottom = canvasHeight - (box.top + box.height - box.padding); | |
| } | |
| else { | |
| pos.top = Math.round(plotOffset.top + axis.p2c(tick.v) - axis.labelHeight/2); | |
| if (axis.position == "left") { | |
| pos.right = canvasWidth - (box.left + box.width - box.padding) | |
| align = "right"; | |
| } | |
| else { | |
| pos.left = box.left + box.padding; | |
| align = "left"; | |
| } | |
| } | |
| pos.width = axis.labelWidth; | |
| var style = ["position:absolute", "text-align:" + align ]; | |
| for (var a in pos) | |
| style.push(a + ":" + pos[a] + "px") | |
| html.push('<div class="tickLabel" style="' + style.join(';') + '">' + tick.label + '</div>'); | |
| } | |
| html.push('</div>'); | |
| } | |
| html.push('</div>'); | |
| placeholder.append(html.join("")); | |
| } | |
| function drawSeries(series) { | |
| if (series.lines.show) | |
| drawSeriesLines(series); | |
| if (series.bars.show) | |
| drawSeriesBars(series); | |
| if (series.points.show) | |
| drawSeriesPoints(series); | |
| } | |
| function drawSeriesLines(series) { | |
| function plotLine(datapoints, xoffset, yoffset, axisx, axisy) { | |
| var points = datapoints.points, | |
| ps = datapoints.pointsize, | |
| prevx = null, prevy = null; | |
| ctx.beginPath(); | |
| for (var i = ps; i < points.length; i += ps) { | |
| var x1 = points[i - ps], y1 = points[i - ps + 1], | |
| x2 = points[i], y2 = points[i + 1]; | |
| if (x1 == null || x2 == null) | |
| continue; | |
| // clip with ymin | |
| if (y1 <= y2 && y1 < axisy.min) { | |
| if (y2 < axisy.min) | |
| continue; // line segment is outside | |
| // compute new intersection point | |
| x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; | |
| y1 = axisy.min; | |
| } | |
| else if (y2 <= y1 && y2 < axisy.min) { | |
| if (y1 < axisy.min) | |
| continue; | |
| x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; | |
| y2 = axisy.min; | |
| } | |
| // clip with ymax | |
| if (y1 >= y2 && y1 > axisy.max) { | |
| if (y2 > axisy.max) | |
| continue; | |
| x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; | |
| y1 = axisy.max; | |
| } | |
| else if (y2 >= y1 && y2 > axisy.max) { | |
| if (y1 > axisy.max) | |
| continue; | |
| x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; | |
| y2 = axisy.max; | |
| } | |
| // clip with xmin | |
| if (x1 <= x2 && x1 < axisx.min) { | |
| if (x2 < axisx.min) | |
| continue; | |
| y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; | |
| x1 = axisx.min; | |
| } | |
| else if (x2 <= x1 && x2 < axisx.min) { | |
| if (x1 < axisx.min) | |
| continue; | |
| y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; | |
| x2 = axisx.min; | |
| } | |
| // clip with xmax | |
| if (x1 >= x2 && x1 > axisx.max) { | |
| if (x2 > axisx.max) | |
| continue; | |
| y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; | |
| x1 = axisx.max; | |
| } | |
| else if (x2 >= x1 && x2 > axisx.max) { | |
| if (x1 > axisx.max) | |
| continue; | |
| y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; | |
| x2 = axisx.max; | |
| } | |
| if (x1 != prevx || y1 != prevy) | |
| ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset); | |
| prevx = x2; | |
| prevy = y2; | |
| ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset); | |
| } | |
| ctx.stroke(); | |
| } | |
| function plotLineArea(datapoints, axisx, axisy) { | |
| var points = datapoints.points, | |
| ps = datapoints.pointsize, | |
| bottom = Math.min(Math.max(0, axisy.min), axisy.max), | |
| i = 0, top, areaOpen = false, | |
| ypos = 1, segmentStart = 0, segmentEnd = 0; | |
| // we process each segment in two turns, first forward | |
| // direction to sketch out top, then once we hit the | |
| // end we go backwards to sketch the bottom | |
| while (true) { | |
| if (ps > 0 && i > points.length + ps) | |
| break; | |
| i += ps; // ps is negative if going backwards | |
| var x1 = points[i - ps], | |
| y1 = points[i - ps + ypos], | |
| x2 = points[i], y2 = points[i + ypos]; | |
| if (areaOpen) { | |
| if (ps > 0 && x1 != null && x2 == null) { | |
| // at turning point | |
| segmentEnd = i; | |
| ps = -ps; | |
| ypos = 2; | |
| continue; | |
| } | |
| if (ps < 0 && i == segmentStart + ps) { | |
| // done with the reverse sweep | |
| ctx.fill(); | |
| areaOpen = false; | |
| ps = -ps; | |
| ypos = 1; | |
| i = segmentStart = segmentEnd + ps; | |
| continue; | |
| } | |
| } | |
| if (x1 == null || x2 == null) | |
| continue; | |
| // clip x values | |
| // clip with xmin | |
| if (x1 <= x2 && x1 < axisx.min) { | |
| if (x2 < axisx.min) | |
| continue; | |
| y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; | |
| x1 = axisx.min; | |
| } | |
| else if (x2 <= x1 && x2 < axisx.min) { | |
| if (x1 < axisx.min) | |
| continue; | |
| y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; | |
| x2 = axisx.min; | |
| } | |
| // clip with xmax | |
| if (x1 >= x2 && x1 > axisx.max) { | |
| if (x2 > axisx.max) | |
| continue; | |
| y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; | |
| x1 = axisx.max; | |
| } | |
| else if (x2 >= x1 && x2 > axisx.max) { | |
| if (x1 > axisx.max) | |
| continue; | |
| y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; | |
| x2 = axisx.max; | |
| } | |
| if (!areaOpen) { | |
| // open area | |
| ctx.beginPath(); | |
| ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom)); | |
| areaOpen = true; | |
| } | |
| // now first check the case where both is outside | |
| if (y1 >= axisy.max && y2 >= axisy.max) { | |
| ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max)); | |
| ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max)); | |
| continue; | |
| } | |
| else if (y1 <= axisy.min && y2 <= axisy.min) { | |
| ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min)); | |
| ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min)); | |
| continue; | |
| } | |
| // else it's a bit more complicated, there might | |
| // be a flat maxed out rectangle first, then a | |
| // triangular cutout or reverse; to find these | |
| // keep track of the current x values | |
| var x1old = x1, x2old = x2; | |
| // clip the y values, without shortcutting, we | |
| // go through all cases in turn | |
| // clip with ymin | |
| if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) { | |
| x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; | |
| y1 = axisy.min; | |
| } | |
| else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) { | |
| x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; | |
| y2 = axisy.min; | |
| } | |
| // clip with ymax | |
| if (y1 >= y2 && y1 > axisy.max && y2 <= axisy.max) { | |
| x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; | |
| y1 = axisy.max; | |
| } | |
| else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) { | |
| x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; | |
| y2 = axisy.max; | |
| } | |
| // if the x value was changed we got a rectangle | |
| // to fill | |
| if (x1 != x1old) { | |
| ctx.lineTo(axisx.p2c(x1old), axisy.p2c(y1)); | |
| // it goes to (x1, y1), but we fill that below | |
| } | |
| // fill triangular section, this sometimes result | |
| // in redundant points if (x1, y1) hasn't changed | |
| // from previous line to, but we just ignore that | |
| ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1)); | |
| ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); | |
| // fill the other rectangle if it's there | |
| if (x2 != x2old) { | |
| ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); | |
| ctx.lineTo(axisx.p2c(x2old), axisy.p2c(y2)); | |
| } | |
| } | |
| } | |
| ctx.save(); | |
| ctx.translate(plotOffset.left, plotOffset.top); | |
| ctx.lineJoin = "round"; | |
| var lw = series.lines.lineWidth, | |
| sw = series.shadowSize; | |
| // FIXME: consider another form of shadow when filling is turned on | |
| if (lw > 0 && sw > 0) { | |
| // draw shadow as a thick and thin line with transparency | |
| ctx.lineWidth = sw; | |
| ctx.strokeStyle = "rgba(0,0,0,0.1)"; | |
| // position shadow at angle from the mid of line | |
| var angle = Math.PI/18; | |
| plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/2), Math.cos(angle) * (lw/2 + sw/2), series.xaxis, series.yaxis); | |
| ctx.lineWidth = sw/2; | |
| plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/4), Math.cos(angle) * (lw/2 + sw/4), series.xaxis, series.yaxis); | |
| } | |
| ctx.lineWidth = lw; | |
| ctx.strokeStyle = series.color; | |
| var fillStyle = getFillStyle(series.lines, series.color, 0, plotHeight); | |
| if (fillStyle) { | |
| ctx.fillStyle = fillStyle; | |
| plotLineArea(series.datapoints, series.xaxis, series.yaxis); | |
| } | |
| if (lw > 0) | |
| plotLine(series.datapoints, 0, 0, series.xaxis, series.yaxis); | |
| ctx.restore(); | |
| } | |
| function drawSeriesPoints(series) { | |
| function plotPoints(datapoints, radius, fillStyle, offset, shadow, axisx, axisy, symbol) { | |
| var points = datapoints.points, ps = datapoints.pointsize; | |
| for (var i = 0; i < points.length; i += ps) { | |
| var x = points[i], y = points[i + 1]; | |
| if (x == null || x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) | |
| continue; | |
| ctx.beginPath(); | |
| x = axisx.p2c(x); | |
| y = axisy.p2c(y) + offset; | |
| if (symbol == "circle") | |
| ctx.arc(x, y, radius, 0, shadow ? Math.PI : Math.PI * 2, false); | |
| else | |
| symbol(ctx, x, y, radius, shadow); | |
| ctx.closePath(); | |
| if (fillStyle) { | |
| ctx.fillStyle = fillStyle; | |
| ctx.fill(); | |
| } | |
| ctx.stroke(); | |
| } | |
| } | |
| ctx.save(); | |
| ctx.translate(plotOffset.left, plotOffset.top); | |
| var lw = series.points.lineWidth, | |
| sw = series.shadowSize, | |
| radius = series.points.radius, | |
| symbol = series.points.symbol; | |
| if (lw > 0 && sw > 0) { | |
| // draw shadow in two steps | |
| var w = sw / 2; | |
| ctx.lineWidth = w; | |
| ctx.strokeStyle = "rgba(0,0,0,0.1)"; | |
| plotPoints(series.datapoints, radius, null, w + w/2, true, | |
| series.xaxis, series.yaxis, symbol); | |
| ctx.strokeStyle = "rgba(0,0,0,0.2)"; | |
| plotPoints(series.datapoints, radius, null, w/2, true, | |
| series.xaxis, series.yaxis, symbol); | |
| } | |
| ctx.lineWidth = lw; | |
| ctx.strokeStyle = series.color; | |
| plotPoints(series.datapoints, radius, | |
| getFillStyle(series.points, series.color), 0, false, | |
| series.xaxis, series.yaxis, symbol); | |
| ctx.restore(); | |
| } | |
| function drawBar(x, y, b, barLeft, barRight, offset, fillStyleCallback, axisx, axisy, c, horizontal, lineWidth) { | |
| var left, right, bottom, top, | |
| drawLeft, drawRight, drawTop, drawBottom, | |
| tmp; | |
| // in horizontal mode, we start the bar from the left | |
| // instead of from the bottom so it appears to be | |
| // horizontal rather than vertical | |
| if (horizontal) { | |
| drawBottom = drawRight = drawTop = true; | |
| drawLeft = false; | |
| left = b; | |
| right = x; | |
| top = y + barLeft; | |
| bottom = y + barRight; | |
| // account for negative bars | |
| if (right < left) { | |
| tmp = right; | |
| right = left; | |
| left = tmp; | |
| drawLeft = true; | |
| drawRight = false; | |
| } | |
| } | |
| else { | |
| drawLeft = drawRight = drawTop = true; | |
| drawBottom = false; | |
| left = x + barLeft; | |
| right = x + barRight; | |
| bottom = b; | |
| top = y; | |
| // account for negative bars | |
| if (top < bottom) { | |
| tmp = top; | |
| top = bottom; | |
| bottom = tmp; | |
| drawBottom = true; | |
| drawTop = false; | |
| } | |
| } | |
| // clip | |
| if (right < axisx.min || left > axisx.max || | |
| top < axisy.min || bottom > axisy.max) | |
| return; | |
| if (left < axisx.min) { | |
| left = axisx.min; | |
| drawLeft = false; | |
| } | |
| if (right > axisx.max) { | |
| right = axisx.max; | |
| drawRight = false; | |
| } | |
| if (bottom < axisy.min) { | |
| bottom = axisy.min; | |
| drawBottom = false; | |
| } | |
| if (top > axisy.max) { | |
| top = axisy.max; | |
| drawTop = false; | |
| } | |
| left = axisx.p2c(left); | |
| bottom = axisy.p2c(bottom); | |
| right = axisx.p2c(right); | |
| top = axisy.p2c(top); | |
| // fill the bar | |
| if (fillStyleCallback) { | |
| c.beginPath(); | |
| c.moveTo(left, bottom); | |
| c.lineTo(left, top); | |
| c.lineTo(right, top); | |
| c.lineTo(right, bottom); | |
| c.fillStyle = fillStyleCallback(bottom, top); | |
| c.fill(); | |
| } | |
| // draw outline | |
| if (lineWidth > 0 && (drawLeft || drawRight || drawTop || drawBottom)) { | |
| c.beginPath(); | |
| // FIXME: inline moveTo is buggy with excanvas | |
| c.moveTo(left, bottom + offset); | |
| if (drawLeft) | |
| c.lineTo(left, top + offset); | |
| else | |
| c.moveTo(left, top + offset); | |
| if (drawTop) | |
| c.lineTo(right, top + offset); | |
| else | |
| c.moveTo(right, top + offset); | |
| if (drawRight) | |
| c.lineTo(right, bottom + offset); | |
| else | |
| c.moveTo(right, bottom + offset); | |
| if (drawBottom) | |
| c.lineTo(left, bottom + offset); | |
| else | |
| c.moveTo(left, bottom + offset); | |
| c.stroke(); | |
| } | |
| } | |
| function drawSeriesBars(series) { | |
| function plotBars(datapoints, barLeft, barRight, offset, fillStyleCallback, axisx, axisy) { | |
| var points = datapoints.points, ps = datapoints.pointsize; | |
| for (var i = 0; i < points.length; i += ps) { | |
| if (points[i] == null) | |
| continue; | |
| drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, offset, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal, series.bars.lineWidth); | |
| } | |
| } | |
| ctx.save(); | |
| ctx.translate(plotOffset.left, plotOffset.top); | |
| // FIXME: figure out a way to add shadows (for instance along the right edge) | |
| ctx.lineWidth = series.bars.lineWidth; | |
| ctx.strokeStyle = series.color; | |
| var barLeft = series.bars.align == "left" ? 0 : -series.bars.barWidth/2; | |
| var fillStyleCallback = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null; | |
| plotBars(series.datapoints, barLeft, barLeft + series.bars.barWidth, 0, fillStyleCallback, series.xaxis, series.yaxis); | |
| ctx.restore(); | |
| } | |
| function getFillStyle(filloptions, seriesColor, bottom, top) { | |
| var fill = filloptions.fill; | |
| if (!fill) | |
| return null; | |
| if (filloptions.fillColor) | |
| return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor); | |
| var c = $.color.parse(seriesColor); | |
| c.a = typeof fill == "number" ? fill : 0.4; | |
| c.normalize(); | |
| return c.toString(); | |
| } | |
| function insertLegend() { | |
| placeholder.find(".legend").remove(); | |
| if (!options.legend.show) | |
| return; | |
| var fragments = [], rowStarted = false, | |
| lf = options.legend.labelFormatter, s, label; | |
| for (var i = 0; i < series.length; ++i) { | |
| s = series[i]; | |
| label = s.label; | |
| if (!label) | |
| continue; | |
| if (i % options.legend.noColumns == 0) { | |
| if (rowStarted) | |
| fragments.push('</tr>'); | |
| fragments.push('<tr>'); | |
| rowStarted = true; | |
| } | |
| if (lf) | |
| label = lf(label, s); | |
| fragments.push( | |
| '<td class="legendColorBox"><div style="border:1px solid ' + options.legend.labelBoxBorderColor + ';padding:1px"><div style="width:4px;height:0;border:5px solid ' + s.color + ';overflow:hidden"></div></div></td>' + | |
| '<td class="legendLabel">' + label + '</td>'); | |
| } | |
| if (rowStarted) | |
| fragments.push('</tr>'); | |
| if (fragments.length == 0) | |
| return; | |
| var table = '<table style="font-size:smaller;color:' + options.grid.color + '">' + fragments.join("") + '</table>'; | |
| if (options.legend.container != null) | |
| $(options.legend.container).html(table); | |
| else { | |
| var pos = "", | |
| p = options.legend.position, | |
| m = options.legend.margin; | |
| if (m[0] == null) | |
| m = [m, m]; | |
| if (p.charAt(0) == "n") | |
| pos += 'top:' + (m[1] + plotOffset.top) + 'px;'; | |
| else if (p.charAt(0) == "s") | |
| pos += 'bottom:' + (m[1] + plotOffset.bottom) + 'px;'; | |
| if (p.charAt(1) == "e") | |
| pos += 'right:' + (m[0] + plotOffset.right) + 'px;'; | |
| else if (p.charAt(1) == "w") | |
| pos += 'left:' + (m[0] + plotOffset.left) + 'px;'; | |
| var legend = $('<div class="legend">' + table.replace('style="', 'style="position:absolute;' + pos +';') + '</div>').appendTo(placeholder); | |
| if (options.legend.backgroundOpacity != 0.0) { | |
| // put in the transparent background | |
| // separately to avoid blended labels and | |
| // label boxes | |
| var c = options.legend.backgroundColor; | |
| if (c == null) { | |
| c = options.grid.backgroundColor; | |
| if (c && typeof c == "string") | |
| c = $.color.parse(c); | |
| else | |
| c = $.color.extract(legend, 'background-color'); | |
| c.a = 1; | |
| c = c.toString(); | |
| } | |
| var div = legend.children(); | |
| $('<div style="position:absolute;width:' + div.width() + 'px;height:' + div.height() + 'px;' + pos +'background-color:' + c + ';"> </div>').prependTo(legend).css('opacity', options.legend.backgroundOpacity); | |
| } | |
| } | |
| } | |
| // interactive features | |
| var highlights = [], | |
| redrawTimeout = null; | |
| // returns the data item the mouse is over, or null if none is found | |
| function findNearbyItem(mouseX, mouseY, seriesFilter) { | |
| var maxDistance = options.grid.mouseActiveRadius, | |
| smallestDistance = maxDistance * maxDistance + 1, | |
| item = null, foundPoint = false, i, j; | |
| for (i = series.length - 1; i >= 0; --i) { | |
| if (!seriesFilter(series[i])) | |
| continue; | |
| var s = series[i], | |
| axisx = s.xaxis, | |
| axisy = s.yaxis, | |
| points = s.datapoints.points, | |
| ps = s.datapoints.pointsize, | |
| mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster | |
| my = axisy.c2p(mouseY), | |
| maxx = maxDistance / axisx.scale, | |
| maxy = maxDistance / axisy.scale; | |
| // with inverse transforms, we can't use the maxx/maxy | |
| // optimization, sadly | |
| if (axisx.options.inverseTransform) | |
| maxx = Number.MAX_VALUE; | |
| if (axisy.options.inverseTransform) | |
| maxy = Number.MAX_VALUE; | |
| if (s.lines.show || s.points.show) { | |
| for (j = 0; j < points.length; j += ps) { | |
| var x = points[j], y = points[j + 1]; | |
| if (x == null) | |
| continue; | |
| // For points and lines, the cursor must be within a | |
| // certain distance to the data point | |
| if (x - mx > maxx || x - mx < -maxx || | |
| y - my > maxy || y - my < -maxy) | |
| continue; | |
| // We have to calculate distances in pixels, not in | |
| // data units, because the scales of the axes may be different | |
| var dx = Math.abs(axisx.p2c(x) - mouseX), | |
| dy = Math.abs(axisy.p2c(y) - mouseY), | |
| dist = dx * dx + dy * dy; // we save the sqrt | |
| // use <= to ensure last point takes precedence | |
| // (last generally means on top of) | |
| if (dist < smallestDistance) { | |
| smallestDistance = dist; | |
| item = [i, j / ps]; | |
| } | |
| } | |
| } | |
| if (s.bars.show && !item) { // no other point can be nearby | |
| var barLeft = s.bars.align == "left" ? 0 : -s.bars.barWidth/2, | |
| barRight = barLeft + s.bars.barWidth; | |
| for (j = 0; j < points.length; j += ps) { | |
| var x = points[j], y = points[j + 1], b = points[j + 2]; | |
| if (x == null) | |
| continue; | |
| // for a bar graph, the cursor must be inside the bar | |
| if (series[i].bars.horizontal ? | |
| (mx <= Math.max(b, x) && mx >= Math.min(b, x) && | |
| my >= y + barLeft && my <= y + barRight) : | |
| (mx >= x + barLeft && mx <= x + barRight && | |
| my >= Math.min(b, y) && my <= Math.max(b, y))) | |
| item = [i, j / ps]; | |
| } | |
| } | |
| } | |
| if (item) { | |
| i = item[0]; | |
| j = item[1]; | |
| ps = series[i].datapoints.pointsize; | |
| return { datapoint: series[i].datapoints.points.slice(j * ps, (j + 1) * ps), | |
| dataIndex: j, | |
| series: series[i], | |
| seriesIndex: i }; | |
| } | |
| return null; | |
| } | |
| function onMouseMove(e) { | |
| if (options.grid.hoverable) | |
| triggerClickHoverEvent("plothover", e, | |
| function (s) { return s["hoverable"] != false; }); | |
| } | |
| function onMouseLeave(e) { | |
| if (options.grid.hoverable) | |
| triggerClickHoverEvent("plothover", e, | |
| function (s) { return false; }); | |
| } | |
| function onClick(e) { | |
| triggerClickHoverEvent("plotclick", e, | |
| function (s) { return s["clickable"] != false; }); | |
| } | |
| // trigger click or hover event (they send the same parameters | |
| // so we share their code) | |
| function triggerClickHoverEvent(eventname, event, seriesFilter) { | |
| var offset = eventHolder.offset(), | |
| canvasX = event.pageX - offset.left - plotOffset.left, | |
| canvasY = event.pageY - offset.top - plotOffset.top, | |
| pos = canvasToAxisCoords({ left: canvasX, top: canvasY }); | |
| pos.pageX = event.pageX; | |
| pos.pageY = event.pageY; | |
| var item = findNearbyItem(canvasX, canvasY, seriesFilter); | |
| if (item) { | |
| // fill in mouse pos for any listeners out there | |
| item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint[0]) + offset.left + plotOffset.left); | |
| item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint[1]) + offset.top + plotOffset.top); | |
| } | |
| if (options.grid.autoHighlight) { | |
| // clear auto-highlights | |
| for (var i = 0; i < highlights.length; ++i) { | |
| var h = highlights[i]; | |
| if (h.auto == eventname && | |
| !(item && h.series == item.series && | |
| h.point[0] == item.datapoint[0] && | |
| h.point[1] == item.datapoint[1])) | |
| unhighlight(h.series, h.point); | |
| } | |
| if (item) | |
| highlight(item.series, item.datapoint, eventname); | |
| } | |
| placeholder.trigger(eventname, [ pos, item ]); | |
| } | |
| function triggerRedrawOverlay() { | |
| if (!redrawTimeout) | |
| redrawTimeout = setTimeout(drawOverlay, 30); | |
| } | |
| function drawOverlay() { | |
| redrawTimeout = null; | |
| // draw highlights | |
| octx.save(); | |
| octx.clearRect(0, 0, canvasWidth, canvasHeight); | |
| octx.translate(plotOffset.left, plotOffset.top); | |
| var i, hi; | |
| for (i = 0; i < highlights.length; ++i) { | |
| hi = highlights[i]; | |
| if (hi.series.bars.show) | |
| drawBarHighlight(hi.series, hi.point); | |
| else | |
| drawPointHighlight(hi.series, hi.point); | |
| } | |
| octx.restore(); | |
| executeHooks(hooks.drawOverlay, [octx]); | |
| } | |
| function highlight(s, point, auto) { | |
| if (typeof s == "number") | |
| s = series[s]; | |
| if (typeof point == "number") { | |
| var ps = s.datapoints.pointsize; | |
| point = s.datapoints.points.slice(ps * point, ps * (point + 1)); | |
| } | |
| var i = indexOfHighlight(s, point); | |
| if (i == -1) { | |
| highlights.push({ series: s, point: point, auto: auto }); | |
| triggerRedrawOverlay(); | |
| } | |
| else if (!auto) | |
| highlights[i].auto = false; | |
| } | |
| function unhighlight(s, point) { | |
| if (s == null && point == null) { | |
| highlights = []; | |
| triggerRedrawOverlay(); | |
| } | |
| if (typeof s == "number") | |
| s = series[s]; | |
| if (typeof point == "number") | |
| point = s.data[point]; | |
| var i = indexOfHighlight(s, point); | |
| if (i != -1) { | |
| highlights.splice(i, 1); | |
| triggerRedrawOverlay(); | |
| } | |
| } | |
| function indexOfHighlight(s, p) { | |
| for (var i = 0; i < highlights.length; ++i) { | |
| var h = highlights[i]; | |
| if (h.series == s && h.point[0] == p[0] | |
| && h.point[1] == p[1]) | |
| return i; | |
| } | |
| return -1; | |
| } | |
| function drawPointHighlight(series, point) { | |
| var x = point[0], y = point[1], | |
| axisx = series.xaxis, axisy = series.yaxis; | |
| if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) | |
| return; | |
| var pointRadius = series.points.radius + series.points.lineWidth / 2; | |
| octx.lineWidth = pointRadius; | |
| octx.strokeStyle = $.color.parse(series.color).scale('a', 0.5).toString(); | |
| var radius = 1.5 * pointRadius, | |
| x = axisx.p2c(x), | |
| y = axisy.p2c(y); | |
| octx.beginPath(); | |
| if (series.points.symbol == "circle") | |
| octx.arc(x, y, radius, 0, 2 * Math.PI, false); | |
| else | |
| series.points.symbol(octx, x, y, radius, false); | |
| octx.closePath(); | |
| octx.stroke(); | |
| } | |
| function drawBarHighlight(series, point) { | |
| octx.lineWidth = series.bars.lineWidth; | |
| octx.strokeStyle = $.color.parse(series.color).scale('a', 0.5).toString(); | |
| var fillStyle = $.color.parse(series.color).scale('a', 0.5).toString(); | |
| var barLeft = series.bars.align == "left" ? 0 : -series.bars.barWidth/2; | |
| drawBar(point[0], point[1], point[2] || 0, barLeft, barLeft + series.bars.barWidth, | |
| 0, function () { return fillStyle; }, series.xaxis, series.yaxis, octx, series.bars.horizontal, series.bars.lineWidth); | |
| } | |
| function getColorOrGradient(spec, bottom, top, defaultColor) { | |
| if (typeof spec == "string") | |
| return spec; | |
| else { | |
| // assume this is a gradient spec; IE currently only | |
| // supports a simple vertical gradient properly, so that's | |
| // what we support too | |
| var gradient = ctx.createLinearGradient(0, top, 0, bottom); | |
| for (var i = 0, l = spec.colors.length; i < l; ++i) { | |
| var c = spec.colors[i]; | |
| if (typeof c != "string") { | |
| var co = $.color.parse(defaultColor); | |
| if (c.brightness != null) | |
| co = co.scale('rgb', c.brightness) | |
| if (c.opacity != null) | |
| co.a *= c.opacity; | |
| c = co.toString(); | |
| } | |
| gradient.addColorStop(i / (l - 1), c); | |
| } | |
| return gradient; | |
| } | |
| } | |
| } | |
| $.plot = function(placeholder, data, options) { | |
| //var t0 = new Date(); | |
| var plot = new Plot($(placeholder), data, options, $.plot.plugins); | |
| //(window.console ? console.log : alert)("time used (msecs): " + ((new Date()).getTime() - t0.getTime())); | |
| return plot; | |
| }; | |
| $.plot.version = "0.7"; | |
| $.plot.plugins = []; | |
| // returns a string with the date d formatted according to fmt | |
| $.plot.formatDate = function(d, fmt, monthNames) { | |
| var leftPad = function(n) { | |
| n = "" + n; | |
| return n.length == 1 ? "0" + n : n; | |
| }; | |
| var r = []; | |
| var escape = false, padNext = false; | |
| var hours = d.getUTCHours(); | |
| var isAM = hours < 12; | |
| if (monthNames == null) | |
| monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; | |
| if (fmt.search(/%p|%P/) != -1) { | |
| if (hours > 12) { | |
| hours = hours - 12; | |
| } else if (hours == 0) { | |
| hours = 12; | |
| } | |
| } | |
| for (var i = 0; i < fmt.length; ++i) { | |
| var c = fmt.charAt(i); | |
| if (escape) { | |
| switch (c) { | |
| case 'h': c = "" + hours; break; | |
| case 'H': c = leftPad(hours); break; | |
| case 'M': c = leftPad(d.getUTCMinutes()); break; | |
| case 'S': c = leftPad(d.getUTCSeconds()); break; | |
| case 'd': c = "" + d.getUTCDate(); break; | |
| case 'm': c = "" + (d.getUTCMonth() + 1); break; | |
| case 'y': c = "" + d.getUTCFullYear(); break; | |
| case 'b': c = "" + monthNames[d.getUTCMonth()]; break; | |
| case 'p': c = (isAM) ? ("" + "am") : ("" + "pm"); break; | |
| case 'P': c = (isAM) ? ("" + "AM") : ("" + "PM"); break; | |
| case '0': c = ""; padNext = true; break; | |
| } | |
| if (c && padNext) { | |
| c = leftPad(c); | |
| padNext = false; | |
| } | |
| r.push(c); | |
| if (!padNext) | |
| escape = false; | |
| } | |
| else { | |
| if (c == "%") | |
| escape = true; | |
| else | |
| r.push(c); | |
| } | |
| } | |
| return r.join(""); | |
| }; | |
| // round to nearby lower multiple of base | |
| function floorInBase(n, base) { | |
| return base * Math.floor(n / base); | |
| } | |
| })(jQuery); | |
| import datetime | |
| from pylons import config | |
| from sqlalchemy import Table, select, func, and_ | |
| import ckan.plugins as p | |
| import ckan.model as model | |
| cache_enabled = p.toolkit.asbool(config.get('ckanext.stats.cache_enabled', 'True')) | |
| if cache_enabled: | |
| from pylons import cache | |
| our_cache = cache.get_cache('stats', type='dbm') | |
| DATE_FORMAT = '%Y-%m-%d' | |
| def table(name): | |
| return Table(name, model.meta.metadata, autoload=True) | |
| def datetime2date(datetime_): | |
| return datetime.date(datetime_.year, datetime_.month, datetime_.day) | |
| class Stats(object): | |
| @classmethod | |
| def top_rated_packages(cls, limit=10): | |
| # NB Not using sqlalchemy as sqla 0.4 doesn't work using both group_by | |
| # and apply_avg | |
| package = table('package') | |
| rating = table('rating') | |
| sql = select([package.c.id, func.avg(rating.c.rating), func.count(rating.c.rating)], from_obj=[package.join(rating)]).\ | |
| group_by(package.c.id).\ | |
| order_by(func.avg(rating.c.rating).desc(), func.count(rating.c.rating).desc()).\ | |
| limit(limit) | |
| res_ids = model.Session.execute(sql).fetchall() | |
| res_pkgs = [(model.Session.query(model.Package).get(unicode(pkg_id)), avg, num) for pkg_id, avg, num in res_ids] | |
| return res_pkgs | |
| @classmethod | |
| def most_edited_packages(cls, limit=10): | |
| package_revision = table('package_revision') | |
| s = select([package_revision.c.id, func.count(package_revision.c.revision_id)]).\ | |
| group_by(package_revision.c.id).\ | |
| order_by(func.count(package_revision.c.revision_id).desc()).\ | |
| limit(limit) | |
| res_ids = model.Session.execute(s).fetchall() | |
| res_pkgs = [(model.Session.query(model.Package).get(unicode(pkg_id)), val) for pkg_id, val in res_ids] | |
| return res_pkgs | |
| @classmethod | |
| def largest_groups(cls, limit=10): | |
| member = table('member') | |
| s = select([member.c.group_id, func.count(member.c.table_id)]).\ | |
| group_by(member.c.group_id).\ | |
| where(and_(member.c.group_id!=None, member.c.table_name=='package')).\ | |
| order_by(func.count(member.c.table_id).desc()).\ | |
| limit(limit) | |
| res_ids = model.Session.execute(s).fetchall() | |
| res_groups = [(model.Session.query(model.Group).get(unicode(group_id)), val) for group_id, val in res_ids] | |
| return res_groups | |
| @classmethod | |
| def top_tags(cls, limit=10, returned_tag_info='object'): # by package | |
| assert returned_tag_info in ('name', 'id', 'object') | |
| tag = table('tag') | |
| package_tag = table('package_tag') | |
| #TODO filter out tags with state=deleted | |
| if returned_tag_info == 'name': | |
| from_obj = [package_tag.join(tag)] | |
| tag_column = tag.c.name | |
| else: | |
| from_obj = None | |
| tag_column = package_tag.c.tag_id | |
| s = select([tag_column, func.count(package_tag.c.package_id)], | |
| from_obj=from_obj) | |
| s = s.group_by(tag_column).\ | |
| order_by(func.count(package_tag.c.package_id).desc()).\ | |
| limit(limit) | |
| res_col = model.Session.execute(s).fetchall() | |
| if returned_tag_info in ('id', 'name'): | |
| return res_col | |
| elif returned_tag_info == 'object': | |
| res_tags = [(model.Session.query(model.Tag).get(unicode(tag_id)), val) for tag_id, val in res_col] | |
| return res_tags | |
| @classmethod | |
| def top_package_owners(cls, limit=10): | |
| package_role = table('package_role') | |
| user_object_role = table('user_object_role') | |
| s = select([user_object_role.c.user_id, func.count(user_object_role.c.role)], from_obj=[user_object_role.join(package_role)]).\ | |
| where(user_object_role.c.role==model.authz.Role.ADMIN).\ | |
| where(user_object_role.c.user_id!=None).\ | |
| group_by(user_object_role.c.user_id).\ | |
| order_by(func.count(user_object_role.c.role).desc()).\ | |
| limit(limit) | |
| res_ids = model.Session.execute(s).fetchall() | |
| res_users = [(model.Session.query(model.User).get(unicode(user_id)), val) for user_id, val in res_ids] | |
| return res_users | |
| class RevisionStats(object): | |
| @classmethod | |
| def package_addition_rate(cls, weeks_ago=0): | |
| week_commenced = cls.get_date_weeks_ago(weeks_ago) | |
| return cls.get_objects_in_a_week(week_commenced, | |
| type_='package_addition_rate') | |
| @classmethod | |
| def package_revision_rate(cls, weeks_ago=0): | |
| week_commenced = cls.get_date_weeks_ago(weeks_ago) | |
| return cls.get_objects_in_a_week(week_commenced, | |
| type_='package_revision_rate') | |
| @classmethod | |
| def get_date_weeks_ago(cls, weeks_ago): | |
| ''' | |
| @param weeks_ago: specify how many weeks ago to give count for | |
| (0 = this week so far) | |
| ''' | |
| date_ = datetime.date.today() | |
| return date_ - datetime.timedelta(days= | |
| datetime.date.weekday(date_) + 7 * weeks_ago) | |
| @classmethod | |
| def get_week_dates(cls, weeks_ago): | |
| ''' | |
| @param weeks_ago: specify how many weeks ago to give count for | |
| (0 = this week so far) | |
| ''' | |
| package_revision = table('package_revision') | |
| revision = table('revision') | |
| today = datetime.date.today() | |
| date_from = datetime.datetime(today.year, today.month, today.day) -\ | |
| datetime.timedelta(days=datetime.date.weekday(today) + \ | |
| 7 * weeks_ago) | |
| date_to = date_from + datetime.timedelta(days=7) | |
| return (date_from, date_to) | |
| @classmethod | |
| def get_date_week_started(cls, date_): | |
| assert isinstance(date_, datetime.date) | |
| if isinstance(date_, datetime.datetime): | |
| date_ = datetime2date(date_) | |
| return date_ - datetime.timedelta(days=datetime.date.weekday(date_)) | |
| @classmethod | |
| def get_package_revisions(cls): | |
| ''' | |
| @return: Returns list of revisions and date of them, in | |
| format: [(id, date), ...] | |
| ''' | |
| package_revision = table('package_revision') | |
| revision = table('revision') | |
| s = select([package_revision.c.id, revision.c.timestamp], from_obj=[package_revision.join(revision)]).order_by(revision.c.timestamp) | |
| res = model.Session.execute(s).fetchall() # [(id, datetime), ...] | |
| return res | |
| @classmethod | |
| def get_new_packages(cls): | |
| ''' | |
| @return: Returns list of new pkgs and date when they were created, in | |
| format: [(id, date_ordinal), ...] | |
| ''' | |
| def new_packages(): | |
| # Can't filter by time in select because 'min' function has to | |
| # be 'for all time' else you get first revision in the time period. | |
| package_revision = table('package_revision') | |
| revision = table('revision') | |
| s = select([package_revision.c.id, func.min(revision.c.timestamp)], from_obj=[package_revision.join(revision)]).group_by(package_revision.c.id).order_by(func.min(revision.c.timestamp)) | |
| res = model.Session.execute(s).fetchall() # [(id, datetime), ...] | |
| res_pickleable = [] | |
| for pkg_id, created_datetime in res: | |
| res_pickleable.append((pkg_id, created_datetime.toordinal())) | |
| return res_pickleable | |
| if cache_enabled: | |
| week_commences = cls.get_date_week_started(datetime.date.today()) | |
| key = 'all_new_packages_%s' + week_commences.strftime(DATE_FORMAT) | |
| new_packages = our_cache.get_value(key=key, | |
| createfunc=new_packages) | |
| else: | |
| new_packages = new_packages() | |
| return new_packages | |
| @classmethod | |
| def get_deleted_packages(cls): | |
| ''' | |
| @return: Returns list of deleted pkgs and date when they were deleted, in | |
| format: [(id, date_ordinal), ...] | |
| ''' | |
| def deleted_packages(): | |
| # Can't filter by time in select because 'min' function has to | |
| # be 'for all time' else you get first revision in the time period. | |
| package_revision = table('package_revision') | |
| revision = table('revision') | |
| s = select([package_revision.c.id, func.min(revision.c.timestamp)], from_obj=[package_revision.join(revision)]).\ | |
| where(package_revision.c.state==model.State.DELETED).\ | |
| group_by(package_revision.c.id).\ | |
| order_by(func.min(revision.c.timestamp)) | |
| res = model.Session.execute(s).fetchall() # [(id, datetime), ...] | |
| res_pickleable = [] | |
| for pkg_id, deleted_datetime in res: | |
| res_pickleable.append((pkg_id, deleted_datetime.toordinal())) | |
| return res_pickleable | |
| if cache_enabled: | |
| week_commences = cls.get_date_week_started(datetime.date.today()) | |
| key = 'all_deleted_packages_%s' + week_commences.strftime(DATE_FORMAT) | |
| deleted_packages = our_cache.get_value(key=key, | |
| createfunc=deleted_packages) | |
| else: | |
| deleted_packages = deleted_packages() | |
| return deleted_packages | |
| @classmethod | |
| def get_num_packages_by_week(cls): | |
| def num_packages(): | |
| new_packages_by_week = cls.get_by_week('new_packages') | |
| deleted_packages_by_week = cls.get_by_week('deleted_packages') | |
| first_date = (min(datetime.datetime.strptime(new_packages_by_week[0][0], DATE_FORMAT), | |
| datetime.datetime.strptime(deleted_packages_by_week[0][0], DATE_FORMAT))).date() | |
| cls._cumulative_num_pkgs = 0 | |
| new_pkgs = [] | |
| deleted_pkgs = [] | |
| def build_weekly_stats(week_commences, new_pkg_ids, deleted_pkg_ids): | |
| num_pkgs = len(new_pkg_ids) - len(deleted_pkg_ids) | |
| new_pkgs.extend([model.Session.query(model.Package).get(id).name for id in new_pkg_ids]) | |
| deleted_pkgs.extend([model.Session.query(model.Package).get(id).name for id in deleted_pkg_ids]) | |
| cls._cumulative_num_pkgs += num_pkgs | |
| return (week_commences.strftime(DATE_FORMAT), | |
| num_pkgs, cls._cumulative_num_pkgs) | |
| week_ends = first_date | |
| today = datetime.date.today() | |
| new_package_week_index = 0 | |
| deleted_package_week_index = 0 | |
| weekly_numbers = [] # [(week_commences, num_packages, cumulative_num_pkgs])] | |
| while week_ends <= today: | |
| week_commences = week_ends | |
| week_ends = week_commences + datetime.timedelta(days=7) | |
| if datetime.datetime.strptime(new_packages_by_week[new_package_week_index][0], DATE_FORMAT).date() == week_commences: | |
| new_pkg_ids = new_packages_by_week[new_package_week_index][1] | |
| new_package_week_index += 1 | |
| else: | |
| new_pkg_ids = [] | |
| if datetime.datetime.strptime(deleted_packages_by_week[deleted_package_week_index][0], DATE_FORMAT).date() == week_commences: | |
| deleted_pkg_ids = deleted_packages_by_week[deleted_package_week_index][1] | |
| deleted_package_week_index += 1 | |
| else: | |
| deleted_pkg_ids = [] | |
| weekly_numbers.append(build_weekly_stats(week_commences, new_pkg_ids, deleted_pkg_ids)) | |
| # just check we got to the end of each count | |
| assert new_package_week_index == len(new_packages_by_week) | |
| assert deleted_package_week_index == len(deleted_packages_by_week) | |
| return weekly_numbers | |
| if cache_enabled: | |
| week_commences = cls.get_date_week_started(datetime.date.today()) | |
| key = 'number_packages_%s' + week_commences.strftime(DATE_FORMAT) | |
| num_packages = our_cache.get_value(key=key, | |
| createfunc=num_packages) | |
| else: | |
| num_packages = num_packages() | |
| return num_packages | |
| @classmethod | |
| def get_by_week(cls, object_type): | |
| cls._object_type = object_type | |
| def objects_by_week(): | |
| if cls._object_type == 'new_packages': | |
| objects = cls.get_new_packages() | |
| def get_date(object_date): | |
| return datetime.date.fromordinal(object_date) | |
| elif cls._object_type == 'deleted_packages': | |
| objects = cls.get_deleted_packages() | |
| def get_date(object_date): | |
| return datetime.date.fromordinal(object_date) | |
| elif cls._object_type == 'package_revisions': | |
| objects = cls.get_package_revisions() | |
| def get_date(object_date): | |
| return datetime2date(object_date) | |
| else: | |
| raise NotImplementedError() | |
| first_date = get_date(objects[0][1]) if objects else datetime.date.today() | |
| week_commences = cls.get_date_week_started(first_date) | |
| week_ends = week_commences + datetime.timedelta(days=7) | |
| week_index = 0 | |
| weekly_pkg_ids = [] # [(week_commences, [pkg_id1, pkg_id2, ...])] | |
| pkg_id_stack = [] | |
| cls._cumulative_num_pkgs = 0 | |
| def build_weekly_stats(week_commences, pkg_ids): | |
| num_pkgs = len(pkg_ids) | |
| cls._cumulative_num_pkgs += num_pkgs | |
| return (week_commences.strftime(DATE_FORMAT), | |
| pkg_ids, num_pkgs, cls._cumulative_num_pkgs) | |
| for pkg_id, date_field in objects: | |
| date_ = get_date(date_field) | |
| if date_ >= week_ends: | |
| weekly_pkg_ids.append(build_weekly_stats(week_commences, pkg_id_stack)) | |
| pkg_id_stack = [] | |
| week_commences = week_ends | |
| week_ends = week_commences + datetime.timedelta(days=7) | |
| pkg_id_stack.append(pkg_id) | |
| weekly_pkg_ids.append(build_weekly_stats(week_commences, pkg_id_stack)) | |
| today = datetime.date.today() | |
| while week_ends <= today: | |
| week_commences = week_ends | |
| week_ends = week_commences + datetime.timedelta(days=7) | |
| weekly_pkg_ids.append(build_weekly_stats(week_commences, [])) | |
| return weekly_pkg_ids | |
| if cache_enabled: | |
| week_commences = cls.get_date_week_started(datetime.date.today()) | |
| key = '%s_by_week_%s' % (cls._object_type, week_commences.strftime(DATE_FORMAT)) | |
| objects_by_week_ = our_cache.get_value(key=key, | |
| createfunc=objects_by_week) | |
| else: | |
| objects_by_week_ = objects_by_week() | |
| return objects_by_week_ | |
| @classmethod | |
| def get_objects_in_a_week(cls, date_week_commences, | |
| type_='new-package-rate'): | |
| ''' | |
| @param type: Specifies what to return about the specified week: | |
| "package_addition_rate" number of new packages | |
| "package_revision_rate" number of package revisions | |
| "new_packages" a list of the packages created | |
| in a tuple with the date. | |
| "deleted_packages" a list of the packages deleted | |
| in a tuple with the date. | |
| @param dates: date range of interest - a tuple: | |
| (start_date, end_date) | |
| ''' | |
| assert isinstance(date_week_commences, datetime.date) | |
| if type_ in ('package_addition_rate', 'new_packages'): | |
| object_type = 'new_packages' | |
| elif type_ == 'deleted_packages': | |
| object_type = 'deleted_packages' | |
| elif type_ == 'package_revision_rate': | |
| object_type = 'package_revisions' | |
| else: | |
| raise NotImplementedError() | |
| objects_by_week = cls.get_by_week(object_type) | |
| date_wc_str = date_week_commences.strftime(DATE_FORMAT) | |
| object_ids = None | |
| for objects_in_a_week in objects_by_week: | |
| if objects_in_a_week[0] == date_wc_str: | |
| object_ids = objects_in_a_week[1] | |
| break | |
| if object_ids is None: | |
| raise TypeError('Week specified is outside range') | |
| assert isinstance(object_ids, list) | |
| if type_ in ('package_revision_rate', 'package_addition_rate'): | |
| return len(object_ids) | |
| elif type_ in ('new_packages', 'deleted_packages'): | |
| return [ model.Session.query(model.Package).get(pkg_id) \ | |
| for pkg_id in object_ids ] | |
| {% extends "page.html" %} | |
| {% block breadcrumb_content %} | |
| <li class="active">{{ 'Statistics' }}</li> | |
| {% endblock %} | |
| {% block primary_content %} | |
| <article class="module"> | |
| <section id="stats-total-datasets" class="module-content tab-content active"> | |
| <h2>{{ _('Total number of Datasets') }}</h2> | |
| {% set xaxis = {'mode': 'time', 'timeformat': '%y-%b'} %} | |
| {% set yaxis = {'min': 0} %} | |
| <table class="table table-chunky table-bordered table-striped" data-module="plot" data-module-xaxis="{{ h.dump_json(xaxis) }}" data-module-yaxis="{{ h.dump_json(yaxis) }}"> | |
| <thead> | |
| <tr> | |
| <th>{{ _("Date") }}</th> | |
| <th>{{ _("Total datasets") }}</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| {% for row in c.raw_packages_by_week %} | |
| <tr> | |
| <th data-type="date" data-value="{{ row.date.strftime("%s") }}"><time datetime="{{ row.date.isoformat() }}">{{ h.render_datetime(row.date) }}</time></th> | |
| <td>{{ row.total_packages }}</td> | |
| </tr> | |
| {% endfor %} | |
| </tbody> | |
| </table> | |
| </section> | |
| <section id="stats-dataset-revisions" class="module-content tab-content"> | |
| <h2>{{ _('Dataset Revisions per Week') }}</h2> | |
| {% set xaxis = {'mode': 'time', 'timeformat': '%y-%b'} %} | |
| {% set lines = {'fill': 1} %} | |
| <table class="table table-chunky table-bordered table-striped" data-module="plot" data-module-xaxis="{{ h.dump_json(xaxis) }}" data-module-lines="{{ h.dump_json(lines) }}"> | |
| <thead> | |
| <tr> | |
| <th>{{ _("Date") }}</th> | |
| <th>{{ _("All dataset revisions") }}</th> | |
| <th>{{ _("New datasets") }}</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| {% for row in c.raw_all_package_revisions %} | |
| <tr> | |
| <th data-type="date" data-value="{{ row.date.strftime("%s") }}"><time datetime="{{ row.date.isoformat() }}">{{ h.render_datetime(row.date) }}</time></th> | |
| <td>{{ row.total_revisions }}</td> | |
| <td>{{ c.raw_new_datasets[loop.index0].new_packages }}</td> | |
| </tr> | |
| {% endfor %} | |
| </tbody> | |
| </table> | |
| </section> | |
| <section id="stats-top-rated" class="module-content tab-content"> | |
| <h2>{{ _('Top Rated Datasets') }}</h2> | |
| {% if c.top_rated_packages %} | |
| <table class="table table-chunky table-bordered table-striped"> | |
| <thead> | |
| <tr> | |
| <th>Dataset</th> | |
| <th class="metric">{{ _('Average rating') }}</th> | |
| <th class="metric">{{ _('Number of ratings') }}</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| {% for package, rating, num_ratings in c.top_rated_packages %} | |
| <tr> | |
| <th>{{ h.link_to(package.title or package.name, h.url_for(controller='package', action='read', id=package.name)) }}</th> | |
| <td class="metric">{{ rating }}</td> | |
| <td class="metric">{{ num_ratings }}</td> | |
| </tr> | |
| {% endfor %} | |
| </tbody> | |
| </table> | |
| {% else %} | |
| <p class="empty">{{ _('No ratings') }}</p> | |
| {% endif %} | |
| </section> | |
| <section id="stats-most-edited" class="module-content tab-content"> | |
| <h2>{{ _('Most Edited Datasets') }}</h2> | |
| {% if c.most_edited_packages %} | |
| <table class="table table-chunky table-bordered table-striped"> | |
| <thead> | |
| <tr> | |
| <th>{{ _('Dataset') }}</th> | |
| <th class="metric">{{ _('Number of edits') }}</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| {% for package, edits in c.most_edited_packages %} | |
| <tr py:for="package, edits in c.most_edited_packages"> | |
| <td>{{ h.link_to(package.title or package.name, h.url_for(controller='package', action='read', id=package.name)) }}</td> | |
| <td class="metric">{{ edits }}</td> | |
| </tr> | |
| {% endfor %} | |
| </tbody> | |
| </table> | |
| {% else %} | |
| <p class="empty">{{ _('No edited datasets') }}</p> | |
| {% endif %} | |
| </section> | |
| <section id="stats-largest-groups" class="module-content tab-content"> | |
| <h2>{{ _('Largest Groups') }}</h2> | |
| {% if c.largest_groups %} | |
| <table class="table table-chunky table-bordered table-striped"> | |
| <thead> | |
| <tr> | |
| <th>{{ _('Group') }}</th> | |
| <th class="metric">{{ _('Number of datasets') }}</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| {% for group, num_packages in c.largest_groups %} | |
| <tr> | |
| <td>{{ h.link_to(group.title or group.name, h.url_for(controller='group', action='read', id=group.name)) }}</td> | |
| <td class="metric">{{ num_packages }}</td> | |
| </tr> | |
| {% endfor %} | |
| </tbody> | |
| </table> | |
| {% else %} | |
| <p class="empty">{{ _('No groups') }}</p> | |
| {% endif %} | |
| </section> | |
| <section id="stats-top-tags" class="module-content tab-content"> | |
| <h2>{{ _('Top Tags') }}</h2> | |
| <table class="table table-chunky table-bordered table-striped"> | |
| <thead> | |
| <tr> | |
| <th>{{ _('Tag Name') }}</th> | |
| <th class="metric">{{ _('Number of Datasets') }}</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| {% for tag, num_packages in c.top_tags %} | |
| <tr> | |
| <td>{{ h.link_to(tag.name, h.url_for(controller='package', action='search', tags=tag.name)) }}</td> | |
| <td class="metric">{{ num_packages }}</td> | |
| </tr> | |
| {% endfor %} | |
| </tbody> | |
| </table> | |
| </section> | |
| <section id="stats-most-owned" class="module-content tab-content"> | |
| <h2>{{ _('Users Owning Most Datasets') }}</h2> | |
| <table class="table table-chunky table-bordered table-striped"> | |
| <thead> | |
| <tr> | |
| <th>{{ _('User') }}</th> | |
| <th class="metric">{{ _('Number of Datasets') }}</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| {% for user, num_packages in c.top_package_owners %} | |
| <tr> | |
| <td class="media">{{ h.linked_user(user) }}</td> | |
| <td class="metric">{{ num_packages }}</td> | |
| </tr> | |
| {% endfor %} | |
| </tbody> | |
| </table> | |
| </section> | |
| </article> | |
| {% endblock %} | |
| {% block secondary_content %} | |
| <section class="module module-narrow"> | |
| <h2 class="module-heading"><i class="icon-bar-chart icon-medium"></i> {{ _('Statistics Menu') }}</h2> | |
| <nav data-module="stats-nav"> | |
| <ul class="unstyled nav nav-simple"> | |
| <li class="nav-item active"><a href="#stats-total-datasets" data-toggle="tab">{{ _('Total Number of Datasets') }}</a></li> | |
| <li class="nav-item"><a href="#stats-dataset-revisions" data-toggle="tab">{{ _('Dataset Revisions per Week') }}</a></li> | |
| <li class="nav-item"><a href="#stats-top-rated" data-toggle="tab">{{ _('Top Rated Datasets') }}</a></li> | |
| <li class="nav-item"><a href="#stats-most-edited" data-toggle="tab">{{ _('Most Edited Datasets') }}</a></li> | |
| <li class="nav-item"><a href="#stats-largest-groups" data-toggle="tab">{{ _('Largest Groups') }}</a></li> | |
| <li class="nav-item"><a href="#stats-top-tags" data-toggle="tab">{{ _('Top Tags') }}</a></li> | |
| <li class="nav-item"><a href="#stats-most-owned" data-toggle="tab">{{ _('Users Owning Most Datasets') }}</a></li> | |
| </ul> | |
| </nav> | |
| </section> | |
| {% endblock %} | |
| {% block scripts %} | |
| {{ super() }} | |
| {# | |
| Hellish hack to get excanvas to work in IE8. We disable html5shiv from | |
| overriding the createElement() method on this page. | |
| See: http://stackoverflow.com/questions/10208062/using-flot-with-bootstrap-ie8-incompatibility | |
| #} | |
| {% resource "vendor/block_html5_shim" %} | |
| {% resource "ckanext_stats/stats" %} | |
| {% endblock %} | |
| <html xmlns:py="http://genshi.edgewall.org/" | |
| xmlns:i18n="http://genshi.edgewall.org/i18n" | |
| xmlns:xi="http://www.w3.org/2001/XInclude" | |
| py:strip=""> | |
| <py:def i18n:msg="" function="page_title">Statistics</py:def> | |
| <py:def function="page_heading"> | |
| Statistics | |
| </py:def> | |
| <py:def function="optional_feed"> | |
| <!--! | |
| Hellish hack to get excanvas to work in IE8. We disable html5shiv from | |
| overriding the createElement() method on this page. | |
| See: http://stackoverflow.com/questions/10208062/using-flot-with-bootstrap-ie8-incompatibility | |
| --> | |
| <!--[if lte IE 8 ]><script>var html5 = {shivMethods: false};</script><![endif]--> | |
| </py:def> | |
| <py:def function="optional_head"> | |
| <style type="text/css"> | |
| body #sidebar { | |
| display: none; | |
| } | |
| body #content { | |
| width: 950px; | |
| } | |
| h3 { | |
| margin-top: 20px; | |
| } | |
| .graph { | |
| width: 950px; | |
| height: 300px; | |
| margin-bottom: 20px; | |
| } | |
| .metric { | |
| width: 30%; | |
| } | |
| </style> | |
| </py:def> | |
| <py:match path="minornavigation"> | |
| <ul class="tabbed"> | |
| <li class="current-tab"> | |
| <a href="">Home</a> | |
| </li> | |
| </ul> | |
| </py:match> | |
| <div py:match="content"> | |
| <h3>Total number of Datasets</h3> | |
| <div id="new_packages_graph" class="graph"></div> | |
| <h3>Revisions to Datasets per week</h3> | |
| <div id="package_revisions_graph" class="graph"></div> | |
| <h3>Top Rated Datasets</h3> | |
| <table py:if="c.top_rated_packages" class="table table-bordered table-striped"> | |
| <tr><th>Dataset</th><th>Average rating</th><th class="metric">Number of ratings</th></tr> | |
| <tr py:for="package, rating, num_ratings in c.top_rated_packages"> | |
| <td>${h.link_to(package.title or package.name, h.url_for(controller='package', action='read', id=package.name))}</td><td>${rating}</td><td>${num_ratings}</td> | |
| </tr> | |
| </table> | |
| <p py:if="not c.top_rated_packages">No ratings</p> | |
| <h3>Most Edited Datasets</h3> | |
| <table class="table table-bordered table-striped"> | |
| <tr><th>Dataset</th><th class="metric">Number of edits</th></tr> | |
| <tr py:for="package, edits in c.most_edited_packages"> | |
| <td>${h.link_to(package.title or package.name, h.url_for(controller='package', action='read', id=package.name))}</td><td>${edits}</td> | |
| </tr> | |
| </table> | |
| <h3>Largest Groups</h3> | |
| <table class="table table-bordered table-striped"> | |
| <tr><th>Group</th><th class="metric">Number of datasets</th></tr> | |
| <tr py:for="group, num_packages in c.largest_groups"> | |
| <td>${h.link_to(group.title or group.name, h.url_for(controller='group', action='read', id=group.name))}</td><td>${num_packages}</td> | |
| </tr> | |
| </table> | |
| <h3>Top Tags</h3> | |
| <table class="table table-bordered table-striped"> | |
| <tr py:for="tag, num_packages in c.top_tags"> | |
| <td>${h.link_to(tag.name, h.url_for(controller='tag', action='read', id=tag.name))}</td><td class="metric">${num_packages}</td> | |
| </tr> | |
| </table> | |
| <h3>Users owning most datasets</h3> | |
| <table class="table table-bordered table-striped"> | |
| <tr py:for="user, num_packages in c.top_package_owners"> | |
| <td>${h.linked_user(user)}</td><td class="metric">${num_packages}</td> | |
| </tr> | |
| </table> | |
| <p> | |
| Page last updated: | |
| <?python | |
| import datetime | |
| ?> | |
| ${datetime.datetime.now().strftime('%c')} | |
| </p> | |
| </div> | |
| <py:def function="optional_footer"> | |
| <script type="text/javascript"> | |
| // HACKy | |
| $('body').addClass('no-sidebar'); | |
| </script> | |
| ${jsConditionalForIe(8, '<script language="javascript" type="text/javascript" src="' + h.url_for_static('/scripts/vendor/flot/0.7/excanvas.js') + '"></script>', 'lte')} | |
| <script type="text/javascript" src="${ h.url_for_static('/scripts/vendor/flot/0.7/jquery.flot.js') }">//pointless jscript comment</script> | |
| <script type="text/javascript"> | |
| var options = { | |
| xaxis: { | |
| mode: "time", | |
| timeformat: "%y-%b" | |
| }, | |
| yaxis: { | |
| min: 0 | |
| }, | |
| legend: { | |
| position: "nw" | |
| } | |
| }; | |
| var data = [ | |
| [ | |
| ${",".join(c.packages_by_week)} | |
| ] | |
| ]; | |
| $.plot($("#new_packages_graph"), data, options); | |
| </script> | |
| <script type="text/javascript"> | |
| var options = { | |
| xaxis: { | |
| mode: "time", | |
| timeformat: "%y-%b" | |
| }, | |
| legend: { | |
| position: "nw" | |
| }, | |
| colors: ["#ffcc33", "#ff8844"] | |
| }; | |
| var data = [ | |
| {label: "All package revisions", | |
| lines: {fill: 1 }, | |
| data: [${",".join(c.all_package_revisions)}]}, | |
| {label: "New datasets", | |
| lines: {fill: 1}, | |
| data: [${",".join(c.new_datasets)}]} | |
| ]; | |
| $.plot($("#package_revisions_graph"), data, options); | |
| </script> | |
| </py:def> | |
| <xi:include href="../../layout.html" /> | |
| </html> | |
| <html xmlns:py="http://genshi.edgewall.org/" | |
| xmlns:i18n="http://genshi.edgewall.org/i18n" | |
| xmlns:xi="http://www.w3.org/2001/XInclude" | |
| py:strip=""> | |
| <py:def function="page_title">Leaderboard - Stats</py:def> | |
| <py:def function="optional_head"> | |
| <script type="text/javascript"> | |
| var solrCoreUrl = '${c.solr_core_url}'; | |
| </script> | |
| <script type="text/javascript" src="${h.url_for('/ckanext/stats/app.js')}"></script> | |
| <link type="text/css" rel="stylesheet" media="all" href="${h.url_for('/ckanext/stats/style.css')}" /> | |
| </py:def> | |
| <div py:match="content"> | |
| <h2>Dataset Leaderboard</h2> | |
| <p>Choose a dataset attribute and find out which categories in that area have the most datasets. E.g. tags, groups, license, res_format, country.</p> | |
| <form> | |
| <label for="category">Choose area</label> | |
| <input type="text" value="tags" name="attribute" id="form-attribute" /> | |
| <input type="submit" value="Dataset Counts »" name="submit" /> | |
| </form> | |
| <div class="category-counts"> | |
| <ul class="chartlist" id="category-counts"> | |
| </ul> | |
| </div> | |
| </div> | |
| <xi:include href="../../layout.html" /> | |
| </html> | |
| import paste.fixture | |
| from pylons import config | |
| from ckan.config.middleware import make_app | |
| class StatsFixture(object): | |
| @classmethod | |
| def setup_class(cls): | |
| cls._original_config = config.copy() | |
| config['ckan.plugins'] = 'stats' | |
| wsgiapp = make_app(config['global_conf'], **config) | |
| cls.app = paste.fixture.TestApp(wsgiapp) | |
| @classmethod | |
| def teardown_class(cls): | |
| config.clear() | |
| config.update(cls._original_config) | |
| import datetime | |
| from nose.tools import assert_equal | |
| from ckan.lib.create_test_data import CreateTestData | |
| from ckan import model | |
| from ckanext.stats.stats import Stats, RevisionStats | |
| from ckanext.stats.tests import StatsFixture | |
| class TestStatsPlugin(StatsFixture): | |
| @classmethod | |
| def setup_class(cls): | |
| super(TestStatsPlugin, cls).setup_class() | |
| CreateTestData.create_arbitrary([ | |
| {'name':'test1', 'groups':['grp1'], 'tags':['tag1']}, | |
| {'name':'test2', 'groups':['grp1', 'grp2'], 'tags':['tag1']}, | |
| {'name':'test3', 'groups':['grp1', 'grp2'], 'tags':['tag1', 'tag2']}, | |
| {'name':'test4'}, | |
| ], | |
| extra_user_names=['bob'], | |
| admins=['bob'], | |
| ) | |
| # hack revision timestamps to be this date | |
| week1 = datetime.datetime(2011, 1, 5) | |
| for rev in model.Session.query(model.Revision): | |
| rev.timestamp = week1 + datetime.timedelta(seconds=1) | |
| # week 2 | |
| rev = model.repo.new_revision() | |
| rev.author = 'bob' | |
| rev.timestamp = datetime.datetime(2011, 1, 12) | |
| model.Package.by_name(u'test2').delete() | |
| model.repo.commit_and_remove() | |
| # week 3 | |
| rev = model.repo.new_revision() | |
| rev.author = 'sandra' | |
| rev.timestamp = datetime.datetime(2011, 1, 19) | |
| model.Package.by_name(u'test3').title = 'Test 3' | |
| model.repo.commit_and_remove() | |
| rev = model.repo.new_revision() | |
| rev.author = 'sandra' | |
| rev.timestamp = datetime.datetime(2011, 1, 20) | |
| model.Package.by_name(u'test4').title = 'Test 4' | |
| model.repo.commit_and_remove() | |
| # week 4 | |
| rev = model.repo.new_revision() | |
| rev.author = 'bob' | |
| rev.timestamp = datetime.datetime(2011, 1, 26) | |
| model.Package.by_name(u'test3').notes = 'Test 3 notes' | |
| model.repo.commit_and_remove() | |
| @classmethod | |
| def teardown_class(cls): | |
| CreateTestData.delete() | |
| def test_top_rated_packages(self): | |
| pkgs = Stats.top_rated_packages() | |
| assert pkgs == [] | |
| def test_most_edited_packages(self): | |
| pkgs = Stats.most_edited_packages() | |
| pkgs = [(pkg.name, count) for pkg, count in pkgs] | |
| assert_equal(pkgs[0], ('test3', 3)) | |
| assert_equal(pkgs[1][1], 2) | |
| assert_equal(pkgs[2][1], 2) | |
| assert_equal(pkgs[3], ('test1', 1)) | |
| def test_largest_groups(self): | |
| grps = Stats.largest_groups() | |
| grps = [(grp.name, count) for grp, count in grps] | |
| assert_equal(grps, [('grp1', 3), | |
| ('grp2', 2)]) | |
| def test_top_tags(self): | |
| tags = Stats.top_tags() | |
| tags = [(tag.name, count) for tag, count in tags] | |
| assert_equal(tags, [('tag1', 3), | |
| ('tag2', 1)]) | |
| def test_top_package_owners(self): | |
| owners = Stats.top_package_owners() | |
| owners = [(owner.name, count) for owner, count in owners] | |
| assert_equal(owners, [('bob', 4)]) | |
| def test_new_packages_by_week(self): | |
| new_packages_by_week = RevisionStats.get_by_week('new_packages') | |
| def get_results(week_number): | |
| date, ids, num, cumulative = new_packages_by_week[week_number] | |
| return (date, set([model.Session.query(model.Package).get(id).name for id in ids]), num, cumulative) | |
| assert_equal(get_results(0), | |
| ('2011-01-03', set((u'test1', u'test2', u'test3', u'test4')), 4, 4)) | |
| assert_equal(get_results(1), | |
| ('2011-01-10', set([]), 0, 4)) | |
| assert_equal(get_results(2), | |
| ('2011-01-17', set([]), 0, 4)) | |
| assert_equal(get_results(3), | |
| ('2011-01-24', set([]), 0, 4)) | |
| def test_deleted_packages_by_week(self): | |
| deleted_packages_by_week = RevisionStats.get_by_week('deleted_packages') | |
| def get_results(week_number): | |
| date, ids, num, cumulative = deleted_packages_by_week[week_number] | |
| return (date, [model.Session.query(model.Package).get(id).name for id in ids], num, cumulative) | |
| assert_equal(get_results(0), | |
| ('2011-01-10', [u'test2'], 1, 1)) | |
| assert_equal(get_results(1), | |
| ('2011-01-17', [], 0, 1)) | |
| assert_equal(get_results(2), | |
| ('2011-01-24', [], 0, 1)) | |
| assert_equal(get_results(3), | |
| ('2011-01-31', [], 0, 1)) | |
| def test_revisions_by_week(self): | |
| revisions_by_week = RevisionStats.get_by_week('package_revisions') | |
| def get_results(week_number): | |
| date, ids, num, cumulative = revisions_by_week[week_number] | |
| return (date, num, cumulative) | |
| num_setup_revs = revisions_by_week[0][2] | |
| assert 6 > num_setup_revs > 2, num_setup_revs | |
| assert_equal(get_results(0), | |
| ('2011-01-03', num_setup_revs, num_setup_revs)) | |
| assert_equal(get_results(1), | |
| ('2011-01-10', 1, num_setup_revs+1)) | |
| assert_equal(get_results(2), | |
| ('2011-01-17', 2, num_setup_revs+3)) | |
| assert_equal(get_results(3), | |
| ('2011-01-24', 1, num_setup_revs+4)) | |
| def test_num_packages_by_week(self): | |
| num_packages_by_week = RevisionStats.get_num_packages_by_week() | |
| # e.g. [('2011-05-30', 3, 3)] | |
| assert_equal(num_packages_by_week[0], ('2011-01-03', 4, 4)) | |
| assert_equal(num_packages_by_week[1], ('2011-01-10', -1, 3)) | |
| assert_equal(num_packages_by_week[2], ('2011-01-17', 0, 3)) | |
| assert_equal(num_packages_by_week[3], ('2011-01-24', 0, 3)) | |
| import os | |
| from ckan.tests import url_for | |
| from ckanext.stats.tests import StatsFixture | |
| class TestStatsPlugin(StatsFixture): | |
| def test_01_config(self): | |
| from pylons import config | |
| paths = config['extra_public_paths'] | |
| publicdir = os.path.join(os.path.dirname(os.path.dirname(__file__)), | |
| 'public') | |
| assert paths.startswith(publicdir), (publicdir, paths) | |
| def test_02_index(self): | |
| url = url_for('stats') | |
| out = self.app.get(url) | |
| assert 'Total number of Datasets' in out, out | |
| assert 'Most Edited Datasets' in out, out | |
| def test_03_leaderboard(self): | |
| url = url_for('stats_action', action='leaderboard') | |
| out = self.app.get(url) | |
| assert 'Leaderboard' in out, out | |
| from setuptools import setup, find_packages | |
| version = '0.1' | |
| setup( | |
| name='ckanext-dga-stats', | |
| version=version, | |
| description='Extension for customising CKAN Statistics for data.gov.au', | |
| long_description='', | |
| classifiers=[], # Get strings from http://pypi.python.org/pypi?%3Aaction=list_classifiers | |
| keywords='', | |
| author='Alex Sadleir', | |
| author_email='alex.sadleir@linkdigital.com.au', | |
| url='', | |
| license='', | |
| packages=find_packages(exclude=['ez_setup', 'examples', 'tests']), | |
| namespace_packages=['ckanext', 'ckanext.dga-stats'], | |
| include_package_data=True, | |
| zip_safe=False, | |
| install_requires=[], | |
| entry_points=\ | |
| """ | |
| [ckan.plugins] | |
| dga-stats=ckanext.dga-stats.plugin:StatsPlugin | |
| """, | |
| ) | |