--- a/busui/owa/modules/base/js/includes/jquery/flot/jquery.flot.threshold.js +++ b/busui/owa/modules/base/js/includes/jquery/flot/jquery.flot.threshold.js @@ -1,1 +1,104 @@ +/* +Flot plugin for thresholding data. Controlled through the option +"threshold" in either the global series options + series: { + threshold: { + below: number + color: colorspec + } + } + +or in a specific series + + $.plot($("#placeholder"), [{ data: [ ... ], threshold: { ... }}]) + +The data points below "below" are drawn with the specified color. This +makes it easy to mark points below 0, e.g. for budget data. + +Internally, the plugin works by splitting the data into two series, +above and below the threshold. The extra series below the threshold +will have its label cleared and the special "originSeries" attribute +set to the original series. You may need to check for this in hover +events. +*/ + +(function ($) { + var options = { + series: { threshold: null } // or { below: number, color: color spec} + }; + + function init(plot) { + function thresholdData(plot, s, datapoints) { + if (!s.threshold) + return; + + var ps = datapoints.pointsize, i, x, y, p, prevp, + thresholded = $.extend({}, s); // note: shallow copy + + thresholded.datapoints = { points: [], pointsize: ps }; + thresholded.label = null; + thresholded.color = s.threshold.color; + thresholded.threshold = null; + thresholded.originSeries = s; + thresholded.data = []; + + var below = s.threshold.below, + origpoints = datapoints.points, + addCrossingPoints = s.lines.show; + + threspoints = []; + newpoints = []; + + for (i = 0; i < origpoints.length; i += ps) { + x = origpoints[i] + y = origpoints[i + 1]; + + prevp = p; + if (y < below) + p = threspoints; + else + p = newpoints; + + if (addCrossingPoints && prevp != p && x != null + && i > 0 && origpoints[i - ps] != null) { + var interx = (x - origpoints[i - ps]) / (y - origpoints[i - ps + 1]) * (below - y) + x; + prevp.push(interx); + prevp.push(below); + for (m = 2; m < ps; ++m) + prevp.push(origpoints[i + m]); + + p.push(null); // start new segment + p.push(null); + for (m = 2; m < ps; ++m) + p.push(origpoints[i + m]); + p.push(interx); + p.push(below); + for (m = 2; m < ps; ++m) + p.push(origpoints[i + m]); + } + + p.push(x); + p.push(y); + } + + datapoints.points = newpoints; + thresholded.datapoints.points = threspoints; + + if (thresholded.datapoints.points.length > 0) + plot.getData().push(thresholded); + + // FIXME: there are probably some edge cases left in bars + } + + plot.hooks.processDatapoints.push(thresholdData); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'threshold', + version: '1.0' + }); +})(jQuery); +