diff options
Diffstat (limited to 'html/includes/js/modules/funnel.src.js')
-rw-r--r-- | html/includes/js/modules/funnel.src.js | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/html/includes/js/modules/funnel.src.js b/html/includes/js/modules/funnel.src.js new file mode 100644 index 0000000..102d0ad --- /dev/null +++ b/html/includes/js/modules/funnel.src.js @@ -0,0 +1,310 @@ +/** + * @license + * Highcharts funnel module + * + * (c) 2010-2014 Torstein Honsi + * + * License: www.highcharts.com/license + */ + +/*global Highcharts */ +(function (Highcharts) { + +'use strict'; + +// create shortcuts +var defaultOptions = Highcharts.getOptions(), + defaultPlotOptions = defaultOptions.plotOptions, + seriesTypes = Highcharts.seriesTypes, + merge = Highcharts.merge, + noop = function () {}, + each = Highcharts.each; + +// set default options +defaultPlotOptions.funnel = merge(defaultPlotOptions.pie, { + animation: false, + center: ['50%', '50%'], + width: '90%', + neckWidth: '30%', + height: '100%', + neckHeight: '25%', + reversed: false, + dataLabels: { + //position: 'right', + connectorWidth: 1, + connectorColor: '#606060' + }, + size: true, // to avoid adapting to data label size in Pie.drawDataLabels + states: { + select: { + color: '#C0C0C0', + borderColor: '#000000', + shadow: false + } + } +}); + + +seriesTypes.funnel = Highcharts.extendClass(seriesTypes.pie, { + + type: 'funnel', + animate: noop, + singularTooltips: true, + + /** + * Overrides the pie translate method + */ + translate: function () { + + var + // Get positions - either an integer or a percentage string must be given + getLength = function (length, relativeTo) { + return (/%$/).test(length) ? + relativeTo * parseInt(length, 10) / 100 : + parseInt(length, 10); + }, + + sum = 0, + series = this, + chart = series.chart, + options = series.options, + reversed = options.reversed, + plotWidth = chart.plotWidth, + plotHeight = chart.plotHeight, + cumulative = 0, // start at top + center = options.center, + centerX = getLength(center[0], plotWidth), + centerY = getLength(center[1], plotHeight), + width = getLength(options.width, plotWidth), + tempWidth, + getWidthAt, + height = getLength(options.height, plotHeight), + neckWidth = getLength(options.neckWidth, plotWidth), + neckHeight = getLength(options.neckHeight, plotHeight), + neckY = height - neckHeight, + data = series.data, + path, + fraction, + half = options.dataLabels.position === 'left' ? 1 : 0, + + x1, + y1, + x2, + x3, + y3, + x4, + y5; + + // Return the width at a specific y coordinate + series.getWidthAt = getWidthAt = function (y) { + return y > height - neckHeight || height === neckHeight ? + neckWidth : + neckWidth + (width - neckWidth) * ((height - neckHeight - y) / (height - neckHeight)); + }; + series.getX = function (y, half) { + return centerX + (half ? -1 : 1) * ((getWidthAt(reversed ? plotHeight - y : y) / 2) + options.dataLabels.distance); + }; + + // Expose + series.center = [centerX, centerY, height]; + series.centerX = centerX; + + /* + * Individual point coordinate naming: + * + * x1,y1 _________________ x2,y1 + * \ / + * \ / + * \ / + * \ / + * \ / + * x3,y3 _________ x4,y3 + * + * Additional for the base of the neck: + * + * | | + * | | + * | | + * x3,y5 _________ x4,y5 + */ + + + + + // get the total sum + each(data, function (point) { + sum += point.y; + }); + + each(data, function (point) { + // set start and end positions + y5 = null; + fraction = sum ? point.y / sum : 0; + y1 = centerY - height / 2 + cumulative * height; + y3 = y1 + fraction * height; + //tempWidth = neckWidth + (width - neckWidth) * ((height - neckHeight - y1) / (height - neckHeight)); + tempWidth = getWidthAt(y1); + x1 = centerX - tempWidth / 2; + x2 = x1 + tempWidth; + tempWidth = getWidthAt(y3); + x3 = centerX - tempWidth / 2; + x4 = x3 + tempWidth; + + // the entire point is within the neck + if (y1 > neckY) { + x1 = x3 = centerX - neckWidth / 2; + x2 = x4 = centerX + neckWidth / 2; + + // the base of the neck + } else if (y3 > neckY) { + y5 = y3; + + tempWidth = getWidthAt(neckY); + x3 = centerX - tempWidth / 2; + x4 = x3 + tempWidth; + + y3 = neckY; + } + + if (reversed) { + y1 = height - y1; + y3 = height - y3; + y5 = (y5 ? height - y5 : null); + } + // save the path + path = [ + 'M', + x1, y1, + 'L', + x2, y1, + x4, y3 + ]; + if (y5) { + path.push(x4, y5, x3, y5); + } + path.push(x3, y3, 'Z'); + + // prepare for using shared dr + point.shapeType = 'path'; + point.shapeArgs = { d: path }; + + + // for tooltips and data labels + point.percentage = fraction * 100; + point.plotX = centerX; + point.plotY = (y1 + (y5 || y3)) / 2; + + // Placement of tooltips and data labels + point.tooltipPos = [ + centerX, + point.plotY + ]; + + // Slice is a noop on funnel points + point.slice = noop; + + // Mimicking pie data label placement logic + point.half = half; + + cumulative += fraction; + }); + }, + /** + * Draw a single point (wedge) + * @param {Object} point The point object + * @param {Object} color The color of the point + * @param {Number} brightness The brightness relative to the color + */ + drawPoints: function () { + var series = this, + options = series.options, + chart = series.chart, + renderer = chart.renderer; + + each(series.data, function (point) { + + var graphic = point.graphic, + shapeArgs = point.shapeArgs; + + if (!graphic) { // Create the shapes + point.graphic = renderer.path(shapeArgs). + attr({ + fill: point.color, + stroke: options.borderColor, + 'stroke-width': options.borderWidth + }). + add(series.group); + + } else { // Update the shapes + graphic.animate(shapeArgs); + } + }); + }, + + /** + * Funnel items don't have angles (#2289) + */ + sortByAngle: function (points) { + points.sort(function (a, b) { + return a.plotY - b.plotY; + }); + }, + + /** + * Extend the pie data label method + */ + drawDataLabels: function () { + var data = this.data, + labelDistance = this.options.dataLabels.distance, + leftSide, + sign, + point, + i = data.length, + x, + y; + + // In the original pie label anticollision logic, the slots are distributed + // from one labelDistance above to one labelDistance below the pie. In funnels + // we don't want this. + this.center[2] -= 2 * labelDistance; + + // Set the label position array for each point. + while (i--) { + point = data[i]; + leftSide = point.half; + sign = leftSide ? 1 : -1; + y = point.plotY; + x = this.getX(y, leftSide); + + // set the anchor point for data labels + point.labelPos = [ + 0, // first break of connector + y, // a/a + x + (labelDistance - 5) * sign, // second break, right outside point shape + y, // a/a + x + labelDistance * sign, // landing point for connector + y, // a/a + leftSide ? 'right' : 'left', // alignment + 0 // center angle + ]; + } + + seriesTypes.pie.prototype.drawDataLabels.call(this); + } + +}); + +/** + * Pyramid series type. + * A pyramid series is a special type of funnel, without neck and reversed by default. + */ +defaultOptions.plotOptions.pyramid = Highcharts.merge(defaultOptions.plotOptions.funnel, { + neckWidth: '0%', + neckHeight: '0%', + reversed: true +}); +Highcharts.seriesTypes.pyramid = Highcharts.extendClass(Highcharts.seriesTypes.funnel, { + type: 'pyramid' +}); + +}(Highcharts)); |