[601] Make sure only active datasets are shown in popular datasets on publisher homepage
--- a/ckanext/ga_report/command.py
+++ b/ckanext/ga_report/command.py
@@ -23,7 +23,7 @@
import ckan.model as model
model.Session.remove()
model.Session.configure(bind=model.meta.engine)
- log = logging.getLogger('ckanext.ga-report')
+ log = logging.getLogger('ckanext.ga_report')
import ga_model
ga_model.init_tables()
--- a/ckanext/ga_report/controller.py
+++ b/ckanext/ga_report/controller.py
@@ -1,6 +1,7 @@
import re
import csv
import sys
+import json
import logging
import operator
import collections
@@ -21,6 +22,10 @@
d = strptime(strdate, '%Y-%m')
return '%s %s' % (calendar.month_name[d.tm_mon], d.tm_year)
+def _get_unix_epoch(strdate):
+ from time import strptime,mktime
+ d = strptime(strdate, '%Y-%m')
+ return int(mktime(d))
def _month_details(cls, stat_key=None):
'''
@@ -107,11 +112,26 @@
return key, val
+ # Query historic values for sparkline rendering
+ sparkline_query = model.Session.query(GA_Stat)\
+ .filter(GA_Stat.stat_name=='Totals')\
+ .order_by(GA_Stat.period_name)
+ sparkline_data = {}
+ for x in sparkline_query:
+ sparkline_data[x.key] = sparkline_data.get(x.key,[])
+ key, val = clean_key(x.key,float(x.value))
+ tooltip = '%s: %s' % (_get_month_name(x.period_name), val)
+ sparkline_data[x.key].append( (tooltip,x.value) )
+ # Trim the latest month, as it looks like a huge dropoff
+ for key in sparkline_data:
+ sparkline_data[key] = sparkline_data[key][:-1]
+
c.global_totals = []
if c.month:
for e in entries:
key, val = clean_key(e.key, e.value)
- c.global_totals.append((key, val))
+ sparkline = sparkline_data[e.key]
+ c.global_totals.append((key, val, sparkline))
else:
d = collections.defaultdict(list)
for e in entries:
@@ -121,10 +141,18 @@
v = sum(v)
else:
v = float(sum(v))/float(len(v))
+ sparkline = sparkline_data[k]
key, val = clean_key(k,v)
- c.global_totals.append((key, val))
- c.global_totals = sorted(c.global_totals, key=operator.itemgetter(0))
+ c.global_totals.append((key, val, sparkline))
+ # Sort the global totals into a more pleasant order
+ def sort_func(x):
+ key = x[0]
+ total_order = ['Total page views','Total visits','Pages per visit']
+ if key in total_order:
+ return total_order.index(key)
+ return 999
+ c.global_totals = sorted(c.global_totals, key=sort_func)
keys = {
'Browser versions': 'browser_versions',
@@ -161,12 +189,13 @@
for k, v in keys.iteritems():
q = model.Session.query(GA_Stat).\
- filter(GA_Stat.stat_name==k)
+ filter(GA_Stat.stat_name==k).\
+ order_by(GA_Stat.period_name)
+ # Buffer the tabular data
if c.month:
entries = []
q = q.filter(GA_Stat.period_name==c.month).\
order_by('ga_stat.value::int desc')
-
d = collections.defaultdict(int)
for e in q.all():
d[e.key] += int(e.value)
@@ -175,10 +204,27 @@
entries.append((key,val,))
entries = sorted(entries, key=operator.itemgetter(1), reverse=True)
+ # Run a query on all months to gather graph data
+ graph_query = model.Session.query(GA_Stat).\
+ filter(GA_Stat.stat_name==k).\
+ order_by(GA_Stat.period_name)
+ graph_dict = {}
+ for stat in graph_query:
+ graph_dict[ stat.key ] = graph_dict.get(stat.key,{
+ 'name':stat.key,
+ 'raw': {}
+ })
+ graph_dict[ stat.key ]['raw'][stat.period_name] = float(stat.value)
+ stats_in_table = [x[0] for x in entries]
+ stats_not_in_table = set(graph_dict.keys()) - set(stats_in_table)
+ stats = stats_in_table + sorted(list(stats_not_in_table))
+ graph = [graph_dict[x] for x in stats]
+ setattr(c, v+'_graph', json.dumps( _to_rickshaw(graph,percentageMode=True) ))
+
# Get the total for each set of values and then set the value as
# a percentage of the total
if k == 'Social sources':
- total = sum([x for n,x in c.global_totals if n == 'Total visits'])
+ total = sum([x for n,x,graph in c.global_totals if n == 'Total visits'])
else:
total = sum([num for _,num in entries])
setattr(c, v, [(k,_percent(v,total)) for k,v in entries ])
@@ -203,7 +249,9 @@
writer = csv.writer(response)
writer.writerow(["Publisher Title", "Publisher Name", "Views", "Visits", "Period Name"])
- for publisher,view,visit in _get_top_publishers(None):
+ top_publishers = _get_top_publishers(limit=None)
+
+ for publisher,view,visit in top_publishers:
writer.writerow([publisher.title.encode('utf-8'),
publisher.name.encode('utf-8'),
view,
@@ -223,7 +271,7 @@
if not c.publisher:
abort(404, 'A publisher with that name could not be found')
- packages = self._get_packages(c.publisher)
+ packages = self._get_packages(publisher=c.publisher, month=c.month)
response.headers['Content-Type'] = "text/csv; charset=utf-8"
response.headers['Content-Disposition'] = \
str('attachment; filename=datasets_%s_%s.csv' % (c.publisher_name, month,))
@@ -253,12 +301,15 @@
c.month_desc = ''.join([m[1] for m in c.months if m[0]==c.month])
c.top_publishers = _get_top_publishers()
+ graph_data = _get_top_publishers_graph()
+ c.top_publishers_graph = json.dumps( _to_rickshaw(graph_data) )
+
return render('ga_report/publisher/index.html')
- def _get_packages(self, publisher=None, count=-1):
+ def _get_packages(self, publisher=None, month='', count=-1):
'''Returns the datasets in order of views'''
have_download_data = True
- month = c.month or 'All'
+ month = month or 'All'
if month != 'All':
have_download_data = month >= DOWNLOADS_AVAILABLE_FROM
@@ -284,8 +335,9 @@
filter(GA_Stat.key==package.name)
if month != 'All': # Fetch everything unless the month is specific
dls = dls.filter(GA_Stat.period_name==month)
-
- downloads = sum(int(d.value) for d in dls.all())
+ downloads = 0
+ for x in dls:
+ downloads += int(x.value)
else:
downloads = 'No data'
top_packages.append((package, entry.pageviews, entry.visits, downloads))
@@ -334,9 +386,73 @@
entry = q.filter(GA_Url.period_name==c.month).first()
c.publisher_page_views = entry.pageviews if entry else 0
- c.top_packages = self._get_packages(c.publisher, 20)
+ c.top_packages = self._get_packages(publisher=c.publisher, count=20, month=c.month)
+
+ # Graph query
+ top_packages_all_time = self._get_packages(publisher=c.publisher, count=20, month='All')
+ top_package_names = [ x[0].name for x in top_packages_all_time ]
+ graph_query = model.Session.query(GA_Url,model.Package)\
+ .filter(model.Package.name==GA_Url.package_id)\
+ .filter(GA_Url.url.like('/dataset/%'))\
+ .filter(GA_Url.package_id.in_(top_package_names))
+ all_series = {}
+ for entry,package in graph_query:
+ if not package: continue
+ if entry.period_name=='All': continue
+ all_series[package.name] = all_series.get(package.name,{
+ 'name':package.title,
+ 'raw': {}
+ })
+ all_series[package.name]['raw'][entry.period_name] = int(entry.pageviews)
+ graph = [ all_series[series_name] for series_name in top_package_names ]
+ c.graph_data = json.dumps( _to_rickshaw(graph) )
return render('ga_report/publisher/read.html')
+
+def _to_rickshaw(data, percentageMode=False):
+ if data==[]:
+ return data
+ # x-axis is every month in c.months. Note that data might not exist
+ # for entire history, eg. for recently-added datasets
+ x_axis = [x[0] for x in c.months]
+ x_axis.reverse() # Ascending order
+ x_axis = x_axis[:-1] # Remove latest month
+ totals = {}
+ for series in data:
+ series['data'] = []
+ for x_string in x_axis:
+ x = _get_unix_epoch( x_string )
+ y = series['raw'].get(x_string,0)
+ series['data'].append({'x':x,'y':y})
+ totals[x] = totals.get(x,0)+y
+ if not percentageMode:
+ return data
+ # Turn all data into percentages
+ # Roll insignificant series into a catch-all
+ THRESHOLD = 1
+ raw_data = data
+ data = []
+ for series in raw_data:
+ for point in series['data']:
+ percentage = (100*float(point['y'])) / totals[point['x']]
+ if not (series in data) and percentage>THRESHOLD:
+ data.append(series)
+ point['y'] = percentage
+ others = [ x for x in raw_data if not (x in data) ]
+ if len(others):
+ data_other = []
+ for i in range(len(x_axis)):
+ x = _get_unix_epoch(x_axis[i])
+ y = 0
+ for series in others:
+ y += series['data'][i]['y']
+ data_other.append({'x':x,'y':y})
+ data.append({
+ 'name':'Other',
+ 'data': data_other
+ })
+ return data
+
def _get_top_publishers(limit=20):
'''
@@ -366,6 +482,46 @@
return top_publishers
+def _get_top_publishers_graph(limit=20):
+ '''
+ Returns a list of the top 20 publishers by dataset visits.
+ (The number to show can be varied with 'limit')
+ '''
+ connection = model.Session.connection()
+ q = """
+ select department_id, sum(pageviews::int) views
+ from ga_url
+ where department_id <> ''
+ and package_id <> ''
+ and url like '/dataset/%%'
+ and period_name='All'
+ group by department_id order by views desc
+ """
+ if limit:
+ q = q + " limit %s;" % (limit)
+
+ res = connection.execute(q)
+ department_ids = [ row[0] for row in res ]
+
+ # Query for a history graph of these department ids
+ q = model.Session.query(
+ GA_Url.department_id,
+ GA_Url.period_name,
+ func.sum(cast(GA_Url.pageviews,sqlalchemy.types.INT)))\
+ .filter( GA_Url.department_id.in_(department_ids) )\
+ .filter( GA_Url.url.like('/dataset/%') )\
+ .filter( GA_Url.package_id!='' )\
+ .group_by( GA_Url.department_id, GA_Url.period_name )
+ graph_dict = {}
+ for dept_id,period_name,views in q:
+ graph_dict[dept_id] = graph_dict.get( dept_id, {
+ 'name' : model.Group.get(dept_id).title,
+ 'raw' : {}
+ })
+ graph_dict[dept_id]['raw'][period_name] = views
+ return [ graph_dict[id] for id in department_ids ]
+
+
def _get_publishers():
'''
Returns a list of all publishers. Each item is a tuple:
--- a/ckanext/ga_report/download_analytics.py
+++ b/ckanext/ga_report/download_analytics.py
@@ -131,7 +131,7 @@
# Make sure the All records are correct.
ga_model.post_update_url_stats()
- log.info('Aggregating datasets by publisher')
+ log.info('Associating datasets with their publisher')
ga_model.update_publisher_stats(period_name) # about 30 seconds.
@@ -303,7 +303,7 @@
def _download_stats(self, start_date, end_date, period_name, period_complete_day):
- """ Fetches stats about language and country """
+ """ Fetches stats about data downloads """
import ckan.model as model
data = {}
@@ -325,7 +325,14 @@
return
def process_result_data(result_data, cached=False):
+ progress_total = len(result_data)
+ progress_count = 0
+ resources_not_matched = []
for result in result_data:
+ progress_count += 1
+ if progress_count % 100 == 0:
+ log.debug('.. %d/%d done so far', progress_count, progress_total)
+
url = result[0].strip()
# Get package id associated with the resource that has this URL.
@@ -339,9 +346,13 @@
if package_name:
data[package_name] = data.get(package_name, 0) + int(result[1])
else:
- log.warning(u"Could not find resource for URL: {url}".format(url=url))
+ resources_not_matched.append(url)
continue
-
+ if resources_not_matched:
+ log.debug('Could not match %i or %i resource URLs to datasets. e.g. %r',
+ len(resources_not_matched), progress_total, resources_not_matched[:3])
+
+ log.info('Associating downloads of resource URLs with their respective datasets')
process_result_data(results.get('rows'))
results = self.service.data().ga().get(
@@ -353,6 +364,7 @@
dimensions="ga:eventLabel",
max_results=10000,
end_date=end_date).execute()
+ log.info('Associating downloads of cache resource URLs with their respective datasets')
process_result_data(results.get('rows'), cached=False)
self._filter_out_long_tail(data, MIN_DOWNLOADS)
--- a/ckanext/ga_report/ga_model.py
+++ b/ckanext/ga_report/ga_model.py
@@ -161,20 +161,20 @@
def pre_update_url_stats(period_name):
- log.debug("Deleting '%s' records" % period_name)
- model.Session.query(GA_Url).\
- filter(GA_Url.period_name==period_name).delete()
-
- count = model.Session.query(GA_Url).\
- filter(GA_Url.period_name == 'All').count()
- log.debug("Deleting %d 'All' records" % count)
- count = model.Session.query(GA_Url).\
- filter(GA_Url.period_name == 'All').delete()
- log.debug("Deleted %d 'All' records" % count)
+ q = model.Session.query(GA_Url).\
+ filter(GA_Url.period_name==period_name)
+ log.debug("Deleting %d '%s' records" % (q.count(), period_name))
+ q.delete()
+
+ q = model.Session.query(GA_Url).\
+ filter(GA_Url.period_name == 'All')
+ log.debug("Deleting %d 'All' records..." % q.count())
+ q.delete()
model.Session.flush()
model.Session.commit()
model.repo.commit_and_remove()
+ log.debug('...done')
def post_update_url_stats():
@@ -185,6 +185,7 @@
record regardless of whether the URL has an entry for
the month being currently processed.
"""
+ log.debug('Post-processing "All" records...')
query = """select url, pageviews::int, visits::int
from ga_url
where url not in (select url from ga_url where period_name ='All')"""
@@ -197,7 +198,13 @@
views[row[0]] = views.get(row[0], 0) + row[1]
visits[row[0]] = visits.get(row[0], 0) + row[2]
+ progress_total = len(views.keys())
+ progress_count = 0
for key in views.keys():
+ progress_count += 1
+ if progress_count % 100 == 0:
+ log.debug('.. %d/%d done so far', progress_count, progress_total)
+
package, publisher = _get_package_and_publisher(key)
values = {'id': make_uuid(),
@@ -207,10 +214,11 @@
'pageviews': views[key],
'visits': visits[key],
'department_id': publisher,
- 'package_id': publisher
+ 'package_id': package
}
model.Session.add(GA_Url(**values))
model.Session.commit()
+ log.debug('..done')
def update_url_stats(period_name, period_complete_day, url_data):
@@ -219,9 +227,14 @@
stores them in GA_Url under the period and recalculates the totals for
the 'All' period.
'''
+ progress_total = len(url_data)
+ progress_count = 0
for url, views, visits in url_data:
+ progress_count += 1
+ if progress_count % 100 == 0:
+ log.debug('.. %d/%d done so far', progress_count, progress_total)
+
package, publisher = _get_package_and_publisher(url)
-
item = model.Session.query(GA_Url).\
filter(GA_Url.period_name==period_name).\
--- a/ckanext/ga_report/helpers.py
+++ b/ckanext/ga_report/helpers.py
@@ -80,7 +80,7 @@
return base.render_snippet('ga_report/ga_popular_single.html', **context)
-def most_popular_datasets(publisher, count=20):
+def most_popular_datasets(publisher, count=20, preview_image=None):
if not publisher:
_log.error("No valid publisher passed to 'most_popular_datasets'")
@@ -92,7 +92,8 @@
'dataset_count': len(results),
'datasets': results,
- 'publisher': publisher
+ 'publisher': publisher,
+ 'preview_image': preview_image
}
return base.render_snippet('ga_report/publisher/popular.html', **ctx)
@@ -106,8 +107,18 @@
for entry in entries:
if len(datasets) < count:
p = model.Package.get(entry.url[len('/dataset/'):])
+
+ if not p:
+ _log.warning("Could not find Package for {url}".format(url=entry.url))
+ continue
+
+ if not p.state == 'active':
+ _log.warning("Package {0} is not active, it is {1}".format(p.name, p.state))
+ continue
+
if not p in datasets:
datasets[p] = {'views':0, 'visits': 0}
+
datasets[p]['views'] = datasets[p]['views'] + int(entry.pageviews)
datasets[p]['visits'] = datasets[p]['visits'] + int(entry.visits)
@@ -117,3 +128,17 @@
return sorted(results, key=operator.itemgetter(1), reverse=True)
+def month_option_title(month_iso, months, day):
+ month_isos = [ iso_code for (iso_code,name) in months ]
+ try:
+ index = month_isos.index(month_iso)
+ except ValueError:
+ _log.error('Month "%s" not found in list of months.' % month_iso)
+ return month_iso
+ month_name = months[index][1]
+ if index==0:
+ return month_name + (' (up to %s)'%day)
+ return month_name
+
+
+
--- a/ckanext/ga_report/plugin.py
+++ b/ckanext/ga_report/plugin.py
@@ -5,7 +5,8 @@
from ckanext.ga_report.helpers import (most_popular_datasets,
popular_datasets,
- single_popular_dataset)
+ single_popular_dataset,
+ month_option_title)
log = logging.getLogger('ckanext.ga-report')
@@ -27,7 +28,8 @@
'ga_report_installed': lambda: True,
'popular_datasets': popular_datasets,
'most_popular_datasets': most_popular_datasets,
- 'single_popular_dataset': single_popular_dataset
+ 'single_popular_dataset': single_popular_dataset,
+ 'month_option_title': month_option_title
}
def after_map(self, map):
--- /dev/null
+++ b/ckanext/ga_report/public/css/ga_report.css
@@ -1,1 +1,69 @@
+.table-condensed td.sparkline-cell {
+ padding: 1px 0 0 0;
+ width: 108px;
+ text-align: center;
+ /* Hack to hide the momentary flash of text
+ * before sparklines are fully rendered */
+ font-size: 1px;
+ color: transparent;
+ overflow: hidden;
+}
+.rickshaw_chart_container {
+ position: relative;
+ height: 350px;
+ margin: 0 auto 20px auto;
+}
+.rickshaw_chart {
+ position: absolute;
+ left: 40px;
+ width: 500px;
+ top: 0;
+ bottom: 0;
+}
+.rickshaw_legend {
+ background: transparent;
+ width: 100%;
+ padding-top: 4px;
+}
+.rickshaw_y_axis {
+ position: absolute;
+ top: 0;
+ bottom: 0;
+ width: 40px;
+}
+.rickshaw_legend .label {
+ background: transparent !important;
+ color: #000000 !important;
+ font-weight: normal !important;
+}
+.rickshaw_legend .instructions {
+ color: #000;
+ margin-bottom: 6px;
+}
+.rickshaw_legend .line .action {
+ display: none;
+}
+.rickshaw_legend .line .swatch {
+ display: block;
+ float: left;
+}
+.rickshaw_legend .line .label {
+ display: block;
+ white-space: normal;
+ float: left;
+ width: 200px;
+}
+.rickshaw_legend .line .label:hover {
+ text-decoration: underline;
+}
+
+.ga-reports-table .td-numeric {
+ text-align: center;
+}
+.ga-reports-heading {
+ padding-right: 10px;
+ margin-top: 4px;
+ float: left;
+}
+
--- /dev/null
+++ b/ckanext/ga_report/public/scripts/ckanext_ga_reports.js
@@ -1,1 +1,132 @@
+var CKAN = CKAN || {};
+CKAN.GA_Reports = {};
+CKAN.GA_Reports.render_rickshaw = function( css_name, data, mode, colorscheme ) {
+ var graphLegends = $('#graph-legend-container');
+
+ function renderError(alertClass,alertText,legendText) {
+ $("#chart_"+css_name)
+ .html( '<div class="alert '+alertClass+'">'+alertText+'</div>')
+ .closest('.rickshaw_chart_container').css('height',50);
+ var myLegend = $('<div id="legend_'+css_name+'"/>')
+ .html(legendText)
+ .appendTo(graphLegends);
+ }
+
+ if (!Modernizr.svg) {
+ renderError('','Your browser does not support vector graphics. No graphs can be rendered.','(Graph cannot be rendered)');
+ return;
+ }
+ if (data.length==0) {
+ renderError('alert-info','There is not enough data to render a graph.','(No graph available)');
+ return
+ }
+ var myLegend = $('<div id="legend_'+css_name+'"/>').appendTo(graphLegends);
+
+ var palette = new Rickshaw.Color.Palette( { scheme: colorscheme } );
+ $.each(data, function(i, object) {
+ object['color'] = palette.color();
+ });
+ // Rickshaw renders the legend in reverse order...
+ data.reverse();
+
+ var graphElement = document.querySelector("#chart_"+css_name);
+
+ var graph = new Rickshaw.Graph( {
+ element: document.querySelector("#chart_"+css_name),
+ renderer: mode,
+ series: data ,
+ height: 328
+ });
+ var x_axis = new Rickshaw.Graph.Axis.Time( {
+ graph: graph
+ } );
+ var y_axis = new Rickshaw.Graph.Axis.Y( {
+ graph: graph,
+ orientation: 'left',
+ tickFormat: Rickshaw.Fixtures.Number.formatKMBT,
+ element: document.getElementById('y_axis_'+css_name)
+ } );
+ var legend = new Rickshaw.Graph.Legend( {
+ element: document.querySelector('#legend_'+css_name),
+ graph: graph
+ } );
+ var shelving = new Rickshaw.Graph.Behavior.Series.Toggle( {
+ graph: graph,
+ legend: legend
+ } );
+ myLegend.prepend('<div class="instructions">Click on a series below to isolate its graph:</div>');
+ graph.render();
+};
+
+CKAN.GA_Reports.bind_sparklines = function() {
+ /*
+ * Bind to the 'totals' tab being on screen, when the
+ * Sparkline graphs should be drawn.
+ * Note that they cannot be drawn sooner.
+ */
+ var created = false;
+ $('a[href="#totals"]').on(
+ 'shown',
+ function() {
+ if (!created) {
+ var sparkOptions = {
+ enableTagOptions: true,
+ type: 'line',
+ width: 100,
+ height: 26,
+ chartRangeMin: 0,
+ spotColor: '',
+ maxSpotColor: '',
+ minSpotColor: '',
+ highlightSpotColor: '#000000',
+ lineColor: '#3F8E6D',
+ fillColor: '#B7E66B'
+ };
+ $('.sparkline').sparkline('html',sparkOptions);
+ created = true;
+ }
+ $.sparkline_display_visible();
+ }
+ );
+};
+
+CKAN.GA_Reports.bind_sidebar = function() {
+ /*
+ * Bind to changes in the tab behaviour:
+ * Show the correct rickshaw graph in the sidebar.
+ * Not to be called before all graphs load.
+ */
+ $('a[data-toggle="hashtab"]').on(
+ 'shown',
+ function(e) {
+ var href = $(e.target).attr('href');
+ var pane = $(href);
+ if (!pane.length) { console.err('bad href',href); return; }
+ var legend_name = "none";
+ var graph = pane.find('.rickshaw_chart');
+ if (graph.length) {
+ legend_name = graph.attr('id').replace('chart_','');
+ }
+ legend_name = '#legend_'+legend_name;
+ $('#graph-legend-container > *').hide();
+ $('#graph-legend-container .instructions').show();
+ $(legend_name).show();
+ }
+ );
+ /* The first tab might already have been shown */
+ $('li.active > a[data-toggle="hashtab"]').trigger('shown');
+};
+
+CKAN.GA_Reports.bind_month_selector = function() {
+ var handler = function(e) {
+ var target = $(e.delegateTarget);
+ var form = target.closest('form');
+ var url = form.attr('action')+'?month='+target.val()+window.location.hash;
+ window.location = url;
+ };
+ var selectors = $('select[name="month"]');
+ assert(selectors.length>0);
+ selectors.bind('change', handler);
+};
+
--- /dev/null
+++ b/ckanext/ga_report/public/scripts/rickshaw_ie7_shim.js
@@ -1,1 +1,109 @@
+/*
+ * Collection of shims to allow d3 and Rickshaw to load, error-free
+ * (but ultimately unusable) on Internet Explorer 7. The browser's
+ * API lacks several crucial functions which these libraries depend
+ * upon to load; we try to hide these errors from the user.
+ *
+ * With thanks to Array functions from:
+ * http://stackoverflow.com/questions/2790001/fixing-javascript-array-functions-in-internet-explorer-indexof-foreach-etc
+ *
+ * Use (Modernizr.svg==true) to detect whether it's okay to draw a graph.
+ */
+'use strict';
+window.Element = window.Element || {'prototype': {}};
+window.CSSStyleDeclaration = window.CSSStyleDeclaration || {'prototype':{}};
+
+// Add ECMA262-5 method binding if not supported natively
+//
+if (!('bind' in Function.prototype)) {
+ Function.prototype.bind= function(owner) {
+ var that= this;
+ if (arguments.length<=1) {
+ return function() {
+ return that.apply(owner, arguments);
+ };
+ } else {
+ var args= Array.prototype.slice.call(arguments, 1);
+ return function() {
+ return that.apply(owner, arguments.length===0? args : args.concat(Array.prototype.slice.call(arguments)));
+ };
+ }
+ };
+}
+
+// Add ECMA262-5 string trim if not supported natively
+//
+if (!('trim' in String.prototype)) {
+ String.prototype.trim= function() {
+ return this.replace(/^\s+/, '').replace(/\s+$/, '');
+ };
+}
+
+// Add ECMA262-5 Array methods if not supported natively
+//
+if (!('indexOf' in Array.prototype)) {
+ Array.prototype.indexOf= function(find, i /*opt*/) {
+ if (i===undefined) i= 0;
+ if (i<0) i+= this.length;
+ if (i<0) i= 0;
+ for (var n= this.length; i<n; i++)
+ if (i in this && this[i]===find)
+ return i;
+ return -1;
+ };
+}
+if (!('lastIndexOf' in Array.prototype)) {
+ Array.prototype.lastIndexOf= function(find, i /*opt*/) {
+ if (i===undefined) i= this.length-1;
+ if (i<0) i+= this.length;
+ if (i>this.length-1) i= this.length-1;
+ for (i++; i-->0;) /* i++ because from-argument is sadly inclusive */
+ if (i in this && this[i]===find)
+ return i;
+ return -1;
+ };
+}
+if (!('forEach' in Array.prototype)) {
+ Array.prototype.forEach= function(action, that /*opt*/) {
+ for (var i= 0, n= this.length; i<n; i++)
+ if (i in this)
+ action.call(that, this[i], i, this);
+ };
+}
+if (!('map' in Array.prototype)) {
+ Array.prototype.map= function(mapper, that /*opt*/) {
+ var other= new Array(this.length);
+ for (var i= 0, n= this.length; i<n; i++)
+ if (i in this)
+ other[i]= mapper.call(that, this[i], i, this);
+ return other;
+ };
+}
+if (!('filter' in Array.prototype)) {
+ Array.prototype.filter= function(filter, that /*opt*/) {
+ var other= [], v;
+ for (var i=0, n= this.length; i<n; i++)
+ if (i in this && filter.call(that, v= this[i], i, this))
+ other.push(v);
+ return other;
+ };
+}
+if (!('every' in Array.prototype)) {
+ Array.prototype.every= function(tester, that /*opt*/) {
+ for (var i= 0, n= this.length; i<n; i++)
+ if (i in this && !tester.call(that, this[i], i, this))
+ return false;
+ return true;
+ };
+}
+if (!('some' in Array.prototype)) {
+ Array.prototype.some= function(tester, that /*opt*/) {
+ for (var i= 0, n= this.length; i<n; i++)
+ if (i in this && tester.call(that, this[i], i, this))
+ return true;
+ return false;
+ };