diff options
Diffstat (limited to 'tipboard/static/js/lib/jqplot/plugins/jqplot.funnelRenderer.js')
| -rw-r--r-- | tipboard/static/js/lib/jqplot/plugins/jqplot.funnelRenderer.js | 943 |
1 files changed, 943 insertions, 0 deletions
diff --git a/tipboard/static/js/lib/jqplot/plugins/jqplot.funnelRenderer.js b/tipboard/static/js/lib/jqplot/plugins/jqplot.funnelRenderer.js new file mode 100644 index 0000000..2cbc9c2 --- /dev/null +++ b/tipboard/static/js/lib/jqplot/plugins/jqplot.funnelRenderer.js @@ -0,0 +1,943 @@ +/** + * jqPlot + * Pure JavaScript plotting plugin using jQuery + * + * Version: 1.0.8 + * Revision: 1250 + * + * Copyright (c) 2009-2013 Chris Leonello + * jqPlot is currently available for use in all personal or commercial projects + * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL + * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can + * choose the license that best suits your project and use it accordingly. + * + * Although not required, the author would appreciate an email letting him + * know of any substantial use of jqPlot. You can reach the author at: + * chris at jqplot dot com or see http://www.jqplot.com/info.php . + * + * If you are feeling kind and generous, consider supporting the project by + * making a donation at: http://www.jqplot.com/donate.php . + * + * sprintf functions contained in jqplot.sprintf.js by Ash Searle: + * + * version 2007.04.27 + * author Ash Searle + * http://hexmen.com/blog/2007/03/printf-sprintf/ + * http://hexmen.com/js/sprintf.js + * The author (Ash Searle) has placed this code in the public domain: + * "This code is unrestricted: you are free to use it however you like." + * + */ +(function($) { + /** + * Class: $.jqplot.FunnelRenderer + * Plugin renderer to draw a funnel chart. + * x values, if present, will be used as labels. + * y values give area size. + * + * Funnel charts will draw a single series + * only. + * + * To use this renderer, you need to include the + * funnel renderer plugin, for example: + * + * > <script type="text/javascript" src="plugins/jqplot.funnelRenderer.js"></script> + * + * Properties described here are passed into the $.jqplot function + * as options on the series renderer. For example: + * + * > plot2 = $.jqplot('chart2', [s1, s2], { + * > seriesDefaults: { + * > renderer:$.jqplot.FunnelRenderer, + * > rendererOptions:{ + * > sectionMargin: 12, + * > widthRatio: 0.3 + * > } + * > } + * > }); + * + * IMPORTANT + * + * *The funnel renderer will reorder data in descending order* so the largest value in + * the data set is first and displayed on top of the funnel. Data will then + * be displayed in descending order down the funnel. The area of each funnel + * section will correspond to the value of each data point relative to the sum + * of all values. That is section area is proportional to section value divided by + * sum of all section values. + * + * If your data is not in descending order when passed into the plot, *it will be + * reordered* when stored in the series.data property. A copy of the unordered + * data is kept in the series._unorderedData property. + * + * A funnel plot will trigger events on the plot target + * according to user interaction. All events return the event object, + * the series index, the point (section) index, and the point data for + * the appropriate section. *Note* the point index will referr to the ordered + * data, not the original unordered data. + * + * 'jqplotDataMouseOver' - triggered when mousing over a section. + * 'jqplotDataHighlight' - triggered the first time user mouses over a section, + * if highlighting is enabled. + * 'jqplotDataUnhighlight' - triggered when a user moves the mouse out of + * a highlighted section. + * 'jqplotDataClick' - triggered when the user clicks on a section. + * 'jqplotDataRightClick' - tiggered when the user right clicks on a section if + * the "captureRightClick" option is set to true on the plot. + */ + $.jqplot.FunnelRenderer = function(){ + $.jqplot.LineRenderer.call(this); + }; + + $.jqplot.FunnelRenderer.prototype = new $.jqplot.LineRenderer(); + $.jqplot.FunnelRenderer.prototype.constructor = $.jqplot.FunnelRenderer; + + // called with scope of a series + $.jqplot.FunnelRenderer.prototype.init = function(options, plot) { + // Group: Properties + // + // prop: padding + // padding between the funnel and plot edges, legend, etc. + this.padding = {top: 20, right: 20, bottom: 20, left: 20}; + // prop: sectionMargin + // spacing between funnel sections in pixels. + this.sectionMargin = 6; + // prop: fill + // true or false, whether to fill the areas. + this.fill = true; + // prop: shadowOffset + // offset of the shadow from the area and offset of + // each succesive stroke of the shadow from the last. + this.shadowOffset = 2; + // prop: shadowAlpha + // transparency of the shadow (0 = transparent, 1 = opaque) + this.shadowAlpha = 0.07; + // prop: shadowDepth + // number of strokes to apply to the shadow, + // each stroke offset shadowOffset from the last. + this.shadowDepth = 5; + // prop: highlightMouseOver + // True to highlight area when moused over. + // This must be false to enable highlightMouseDown to highlight when clicking on a area. + this.highlightMouseOver = true; + // prop: highlightMouseDown + // True to highlight when a mouse button is pressed over a area. + // This will be disabled if highlightMouseOver is true. + this.highlightMouseDown = false; + // prop: highlightColors + // array of colors to use when highlighting an area. + this.highlightColors = []; + // prop: widthRatio + // The ratio of the width of the top of the funnel to the bottom. + // a ratio of 0 will make an upside down pyramid. + this.widthRatio = 0.2; + // prop: lineWidth + // width of line if areas are stroked and not filled. + this.lineWidth = 2; + // prop: dataLabels + // Either 'label', 'value', 'percent' or an array of labels to place on the pie slices. + // Defaults to percentage of each pie slice. + this.dataLabels = 'percent'; + // prop: showDataLabels + // true to show data labels on slices. + this.showDataLabels = false; + // prop: dataLabelFormatString + // Format string for data labels. If none, '%s' is used for "label" and for arrays, '%d' for value and '%d%%' for percentage. + this.dataLabelFormatString = null; + // prop: dataLabelThreshold + // Threshhold in percentage (0 - 100) of pie area, below which no label will be displayed. + // This applies to all label types, not just to percentage labels. + this.dataLabelThreshold = 3; + this._type = 'funnel'; + + this.tickRenderer = $.jqplot.FunnelTickRenderer; + + // if user has passed in highlightMouseDown option and not set highlightMouseOver, disable highlightMouseOver + if (options.highlightMouseDown && options.highlightMouseOver == null) { + options.highlightMouseOver = false; + } + + $.extend(true, this, options); + + // index of the currenty highlighted point, if any + this._highlightedPoint = null; + + // lengths of bases, or horizontal sides of areas of trapezoid. + this._bases = []; + // total area + this._atot; + // areas of segments. + this._areas = []; + // vertical lengths of segments. + this._lengths = []; + // angle of the funnel to vertical. + this._angle; + this._dataIndices = []; + + // sort data + this._unorderedData = $.extend(true, [], this.data); + var idxs = $.extend(true, [], this.data); + for (var i=0; i<idxs.length; i++) { + idxs[i].push(i); + } + this.data.sort( function (a, b) { return b[1] - a[1]; } ); + idxs.sort( function (a, b) { return b[1] - a[1]; }); + for (var i=0; i<idxs.length; i++) { + this._dataIndices.push(idxs[i][2]); + } + + // set highlight colors if none provided + if (this.highlightColors.length == 0) { + for (var i=0; i<this.seriesColors.length; i++){ + var rgba = $.jqplot.getColorComponents(this.seriesColors[i]); + var newrgb = [rgba[0], rgba[1], rgba[2]]; + var sum = newrgb[0] + newrgb[1] + newrgb[2]; + for (var j=0; j<3; j++) { + // when darkening, lowest color component can be is 60. + newrgb[j] = (sum > 570) ? newrgb[j] * 0.8 : newrgb[j] + 0.4 * (255 - newrgb[j]); + newrgb[j] = parseInt(newrgb[j], 10); + } + this.highlightColors.push('rgb('+newrgb[0]+','+newrgb[1]+','+newrgb[2]+')'); + } + } + + plot.postParseOptionsHooks.addOnce(postParseOptions); + plot.postInitHooks.addOnce(postInit); + plot.eventListenerHooks.addOnce('jqplotMouseMove', handleMove); + plot.eventListenerHooks.addOnce('jqplotMouseDown', handleMouseDown); + plot.eventListenerHooks.addOnce('jqplotMouseUp', handleMouseUp); + plot.eventListenerHooks.addOnce('jqplotClick', handleClick); + plot.eventListenerHooks.addOnce('jqplotRightClick', handleRightClick); + plot.postDrawHooks.addOnce(postPlotDraw); + + }; + + // gridData will be of form [label, percentage of total] + $.jqplot.FunnelRenderer.prototype.setGridData = function(plot) { + // set gridData property. This will hold angle in radians of each data point. + var sum = 0; + var td = []; + for (var i=0; i<this.data.length; i++){ + sum += this.data[i][1]; + td.push([this.data[i][0], this.data[i][1]]); + } + + // normalize y values, so areas are proportional. + for (var i=0; i<td.length; i++) { + td[i][1] = td[i][1]/sum; + } + + this._bases = new Array(td.length + 1); + this._lengths = new Array(td.length); + + this.gridData = td; + }; + + $.jqplot.FunnelRenderer.prototype.makeGridData = function(data, plot) { + // set gridData property. This will hold angle in radians of each data point. + var sum = 0; + var td = []; + for (var i=0; i<this.data.length; i++){ + sum += this.data[i][1]; + td.push([this.data[i][0], this.data[i][1]]); + } + + // normalize y values, so areas are proportional. + for (var i=0; i<td.length; i++) { + td[i][1] = td[i][1]/sum; + } + + this._bases = new Array(td.length + 1); + this._lengths = new Array(td.length); + + return td; + }; + + $.jqplot.FunnelRenderer.prototype.drawSection = function (ctx, vertices, color, isShadow) { + var fill = this.fill; + var lineWidth = this.lineWidth; + ctx.save(); + + if (isShadow) { + for (var i=0; i<this.shadowDepth; i++) { + ctx.save(); + ctx.translate(this.shadowOffset*Math.cos(this.shadowAngle/180*Math.PI), this.shadowOffset*Math.sin(this.shadowAngle/180*Math.PI)); + doDraw(); + } + } + + else { + doDraw(); + } + + function doDraw () { + ctx.beginPath(); + ctx.fillStyle = color; + ctx.strokeStyle = color; + ctx.lineWidth = lineWidth; + ctx.moveTo(vertices[0][0], vertices[0][1]); + for (var i=1; i<4; i++) { + ctx.lineTo(vertices[i][0], vertices[i][1]); + } + ctx.closePath(); + if (fill) { + ctx.fill(); + } + else { + ctx.stroke(); + } + } + + if (isShadow) { + for (var i=0; i<this.shadowDepth; i++) { + ctx.restore(); + } + } + + ctx.restore(); + }; + + // called with scope of series + $.jqplot.FunnelRenderer.prototype.draw = function (ctx, gd, options, plot) { + var i; + var opts = (options != undefined) ? options : {}; + // offset and direction of offset due to legend placement + var offx = 0; + var offy = 0; + var trans = 1; + this._areas = []; + // var colorGenerator = new this.colorGenerator(this.seriesColors); + if (options.legendInfo && options.legendInfo.placement == 'insideGrid') { + var li = options.legendInfo; + switch (li.location) { + case 'nw': + offx = li.width + li.xoffset; + break; + case 'w': + offx = li.width + li.xoffset; + break; + case 'sw': + offx = li.width + li.xoffset; + break; + case 'ne': + offx = li.width + li.xoffset; + trans = -1; + break; + case 'e': + offx = li.width + li.xoffset; + trans = -1; + break; + case 'se': + offx = li.width + li.xoffset; + trans = -1; + break; + case 'n': + offy = li.height + li.yoffset; + break; + case 's': + offy = li.height + li.yoffset; + trans = -1; + break; + default: + break; + } + } + + var loff = (trans==1) ? this.padding.left + offx : this.padding.left; + var toff = (trans==1) ? this.padding.top + offy : this.padding.top; + var roff = (trans==-1) ? this.padding.right + offx : this.padding.right; + var boff = (trans==-1) ? this.padding.bottom + offy : this.padding.bottom; + + var shadow = (opts.shadow != undefined) ? opts.shadow : this.shadow; + var showLine = (opts.showLine != undefined) ? opts.showLine : this.showLine; + var fill = (opts.fill != undefined) ? opts.fill : this.fill; + var cw = ctx.canvas.width; + var ch = ctx.canvas.height; + this._bases[0] = cw - loff - roff; + var ltot = this._length = ch - toff - boff; + + var hend = this._bases[0]*this.widthRatio; + this._atot = ltot/2 * (this._bases[0] + this._bases[0]*this.widthRatio); + + this._angle = Math.atan((this._bases[0] - hend)/2/ltot); + + for (i=0; i<gd.length; i++) { + this._areas.push(gd[i][1] * this._atot); + } + + + var guess, err, count, lsum=0; + var tolerance = 0.0001; + + for (i=0; i<this._areas.length; i++) { + guess = this._areas[i]/this._bases[i]; + err = 999999; + this._lengths[i] = guess; + count = 0; + while (err > this._lengths[i]*tolerance && count < 100) { + this._lengths[i] = this._areas[i]/(this._bases[i] - this._lengths[i] * Math.tan(this._angle)); + err = Math.abs(this._lengths[i] - guess); + this._bases[i+1] = this._bases[i] - (2*this._lengths[i]*Math.tan(this._angle)); + guess = this._lengths[i]; + count++; + } + lsum += this._lengths[i]; + } + + // figure out vertices of each section + this._vertices = new Array(gd.length); + + // these are 4 coners of entire trapezoid + var p0 = [loff, toff], + p1 = [loff+this._bases[0], toff], + p2 = [loff + (this._bases[0] - this._bases[this._bases.length-1])/2, toff + this._length], + p3 = [p2[0] + this._bases[this._bases.length-1], p2[1]]; + + // equations of right and left sides, returns x, y values given height of section (y value) + function findleft (l) { + var m = (p0[1] - p2[1])/(p0[0] - p2[0]); + var b = p0[1] - m*p0[0]; + var y = l + p0[1]; + + return [(y - b)/m, y]; + } + + function findright (l) { + var m = (p1[1] - p3[1])/(p1[0] - p3[0]); + var b = p1[1] - m*p1[0]; + var y = l + p1[1]; + + return [(y - b)/m, y]; + } + + var x = offx, y = offy; + var h=0, adj=0; + + for (i=0; i<gd.length; i++) { + this._vertices[i] = new Array(); + var v = this._vertices[i]; + var sm = this.sectionMargin; + if (i == 0) { + adj = 0; + } + if (i == 1) { + adj = sm/3; + } + else if (i > 0 && i < gd.length-1) { + adj = sm/2; + } + else if (i == gd.length -1) { + adj = 2*sm/3; + } + v.push(findleft(h+adj)); + v.push(findright(h+adj)); + h += this._lengths[i]; + if (i == 0) { + adj = -2*sm/3; + } + else if (i > 0 && i < gd.length-1) { + adj = -sm/2; + } + else if (i == gd.length - 1) { + adj = 0; + } + v.push(findright(h+adj)); + v.push(findleft(h+adj)); + + } + + if (this.shadow) { + var shadowColor = 'rgba(0,0,0,'+this.shadowAlpha+')'; + for (var i=0; i<gd.length; i++) { + this.renderer.drawSection.call (this, ctx, this._vertices[i], shadowColor, true); + } + + } + for (var i=0; i<gd.length; i++) { + var v = this._vertices[i]; + this.renderer.drawSection.call (this, ctx, v, this.seriesColors[i]); + + if (this.showDataLabels && gd[i][1]*100 >= this.dataLabelThreshold) { + var fstr, label; + + if (this.dataLabels == 'label') { + fstr = this.dataLabelFormatString || '%s'; + label = $.jqplot.sprintf(fstr, gd[i][0]); + } + else if (this.dataLabels == 'value') { + fstr = this.dataLabelFormatString || '%d'; + label = $.jqplot.sprintf(fstr, this.data[i][1]); + } + else if (this.dataLabels == 'percent') { + fstr = this.dataLabelFormatString || '%d%%'; + label = $.jqplot.sprintf(fstr, gd[i][1]*100); + } + else if (this.dataLabels.constructor == Array) { + fstr = this.dataLabelFormatString || '%s'; + label = $.jqplot.sprintf(fstr, this.dataLabels[this._dataIndices[i]]); + } + + var fact = (this._radius ) * this.dataLabelPositionFactor + this.sliceMargin + this.dataLabelNudge; + + var x = (v[0][0] + v[1][0])/2 + this.canvas._offsets.left; + var y = (v[1][1] + v[2][1])/2 + this.canvas._offsets.top; + + var labelelem = $('<span class="jqplot-funnel-series jqplot-data-label" style="position:absolute;">' + label + '</span>').insertBefore(plot.eventCanvas._elem); + x -= labelelem.width()/2; + y -= labelelem.height()/2; + x = Math.round(x); + y = Math.round(y); + labelelem.css({left: x, top: y}); + } + + } + + }; + + $.jqplot.FunnelAxisRenderer = function() { + $.jqplot.LinearAxisRenderer.call(this); + }; + + $.jqplot.FunnelAxisRenderer.prototype = new $.jqplot.LinearAxisRenderer(); + $.jqplot.FunnelAxisRenderer.prototype.constructor = $.jqplot.FunnelAxisRenderer; + + + // There are no traditional axes on a funnel chart. We just need to provide + // dummy objects with properties so the plot will render. + // called with scope of axis object. + $.jqplot.FunnelAxisRenderer.prototype.init = function(options){ + // + this.tickRenderer = $.jqplot.FunnelTickRenderer; + $.extend(true, this, options); + // I don't think I'm going to need _dataBounds here. + // have to go Axis scaling in a way to fit chart onto plot area + // and provide u2p and p2u functionality for mouse cursor, etc. + // for convienence set _dataBounds to 0 and 100 and + // set min/max to 0 and 100. + this._dataBounds = {min:0, max:100}; + this.min = 0; + this.max = 100; + this.showTicks = false; + this.ticks = []; + this.showMark = false; + this.show = false; + }; + + + + /** + * Class: $.jqplot.FunnelLegendRenderer + * Legend Renderer specific to funnel plots. Set by default + * when the user creates a funnel plot. + */ + $.jqplot.FunnelLegendRenderer = function(){ + $.jqplot.TableLegendRenderer.call(this); + }; + + $.jqplot.FunnelLegendRenderer.prototype = new $.jqplot.TableLegendRenderer(); + $.jqplot.FunnelLegendRenderer.prototype.constructor = $.jqplot.FunnelLegendRenderer; + + $.jqplot.FunnelLegendRenderer.prototype.init = function(options) { + // Group: Properties + // + // prop: numberRows + // Maximum number of rows in the legend. 0 or null for unlimited. + this.numberRows = null; + // prop: numberColumns + // Maximum number of columns in the legend. 0 or null for unlimited. + this.numberColumns = null; + $.extend(true, this, options); + }; + + // called with context of legend + $.jqplot.FunnelLegendRenderer.prototype.draw = function() { + var legend = this; + if (this.show) { + var series = this._series; + var ss = 'position:absolute;'; + ss += (this.background) ? 'background:'+this.background+';' : ''; + ss += (this.border) ? 'border:'+this.border+';' : ''; + ss += (this.fontSize) ? 'font-size:'+this.fontSize+';' : ''; + ss += (this.fontFamily) ? 'font-family:'+this.fontFamily+';' : ''; + ss += (this.textColor) ? 'color:'+this.textColor+';' : ''; + ss += (this.marginTop != null) ? 'margin-top:'+this.marginTop+';' : ''; + ss += (this.marginBottom != null) ? 'margin-bottom:'+this.marginBottom+';' : ''; + ss += (this.marginLeft != null) ? 'margin-left:'+this.marginLeft+';' : ''; + ss += (this.marginRight != null) ? 'margin-right:'+this.marginRight+';' : ''; + this._elem = $('<table class="jqplot-table-legend" style="'+ss+'"></table>'); + // Funnel charts legends don't go by number of series, but by number of data points + // in the series. Refactor things here for that. + + var pad = false, + reverse = false, + nr, nc; + var s = series[0]; + var colorGenerator = new $.jqplot.ColorGenerator(s.seriesColors); + + if (s.show) { + var pd = s.data; + if (this.numberRows) { + nr = this.numberRows; + if (!this.numberColumns){ + nc = Math.ceil(pd.length/nr); + } + else{ + nc = this.numberColumns; + } + } + else if (this.numberColumns) { + nc = this.numberColumns; + nr = Math.ceil(pd.length/this.numberColumns); + } + else { + nr = pd.length; + nc = 1; + } + + var i, j, tr, td1, td2, lt, rs, color; + var idx = 0; + + for (i=0; i<nr; i++) { + if (reverse){ + tr = $('<tr class="jqplot-table-legend"></tr>').prependTo(this._elem); + } + else{ + tr = $('<tr class="jqplot-table-legend"></tr>').appendTo(this._elem); + } + for (j=0; j<nc; j++) { + if (idx < pd.length){ + lt = this.labels[idx] || pd[idx][0].toString(); + color = colorGenerator.next(); + if (!reverse){ + if (i>0){ + pad = true; + } + else{ + pad = false; + } + } + else{ + if (i == nr -1){ + pad = false; + } + else{ + pad = true; + } + } + rs = (pad) ? this.rowSpacing : '0'; + + td1 = $('<td class="jqplot-table-legend" style="text-align:center;padding-top:'+rs+';">'+ + '<div><div class="jqplot-table-legend-swatch" style="border-color:'+color+';"></div>'+ + '</div></td>'); + td2 = $('<td class="jqplot-table-legend" style="padding-top:'+rs+';"></td>'); + if (this.escapeHtml){ + td2.text(lt); + } + else { + td2.html(lt); + } + if (reverse) { + td2.prependTo(tr); + td1.prependTo(tr); + } + else { + td1.appendTo(tr); + td2.appendTo(tr); + } + pad = true; + } + idx++; + } + } + } + } + return this._elem; + }; + + // $.jqplot.FunnelLegendRenderer.prototype.pack = function(offsets) { + // if (this.show) { + // // fake a grid for positioning + // var grid = {_top:offsets.top, _left:offsets.left, _right:offsets.right, _bottom:this._plotDimensions.height - offsets.bottom}; + // if (this.placement == 'insideGrid') { + // switch (this.location) { + // case 'nw': + // var a = grid._left + this.xoffset; + // var b = grid._top + this.yoffset; + // this._elem.css('left', a); + // this._elem.css('top', b); + // break; + // case 'n': + // var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2; + // var b = grid._top + this.yoffset; + // this._elem.css('left', a); + // this._elem.css('top', b); + // break; + // case 'ne': + // var a = offsets.right + this.xoffset; + // var b = grid._top + this.yoffset; + // this._elem.css({right:a, top:b}); + // break; + // case 'e': + // var a = offsets.right + this.xoffset; + // var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2; + // this._elem.css({right:a, top:b}); + // break; + // case 'se': + // var a = offsets.right + this.xoffset; + // var b = offsets.bottom + this.yoffset; + // this._elem.css({right:a, bottom:b}); + // break; + // case 's': + // var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2; + // var b = offsets.bottom + this.yoffset; + // this._elem.css({left:a, bottom:b}); + // break; + // case 'sw': + // var a = grid._left + this.xoffset; + // var b = offsets.bottom + this.yoffset; + // this._elem.css({left:a, bottom:b}); + // break; + // case 'w': + // var a = grid._left + this.xoffset; + // var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2; + // this._elem.css({left:a, top:b}); + // break; + // default: // same as 'se' + // var a = grid._right - this.xoffset; + // var b = grid._bottom + this.yoffset; + // this._elem.css({right:a, bottom:b}); + // break; + // } + // + // } + // else { + // switch (this.location) { + // case 'nw': + // var a = this._plotDimensions.width - grid._left + this.xoffset; + // var b = grid._top + this.yoffset; + // this._elem.css('right', a); + // this._elem.css('top', b); + // break; + // case 'n': + // var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2; + // var b = this._plotDimensions.height - grid._top + this.yoffset; + // this._elem.css('left', a); + // this._elem.css('bottom', b); + // break; + // case 'ne': + // var a = this._plotDimensions.width - offsets.right + this.xoffset; + // var b = grid._top + this.yoffset; + // this._elem.css({left:a, top:b}); + // break; + // case 'e': + // var a = this._plotDimensions.width - offsets.right + this.xoffset; + // var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2; + // this._elem.css({left:a, top:b}); + // break; + // case 'se': + // var a = this._plotDimensions.width - offsets.right + this.xoffset; + // var b = offsets.bottom + this.yoffset; + // this._elem.css({left:a, bottom:b}); + // break; + // case 's': + // var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2; + // var b = this._plotDimensions.height - offsets.bottom + this.yoffset; + // this._elem.css({left:a, top:b}); + // break; + // case 'sw': + // var a = this._plotDimensions.width - grid._left + this.xoffset; + // var b = offsets.bottom + this.yoffset; + // this._elem.css({right:a, bottom:b}); + // break; + // case 'w': + // var a = this._plotDimensions.width - grid._left + this.xoffset; + // var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2; + // this._elem.css({right:a, top:b}); + // break; + // default: // same as 'se' + // var a = grid._right - this.xoffset; + // var b = grid._bottom + this.yoffset; + // this._elem.css({right:a, bottom:b}); + // break; + // } + // } + // } + // }; + + // setup default renderers for axes and legend so user doesn't have to + // called with scope of plot + function preInit(target, data, options) { + options = options || {}; + options.axesDefaults = options.axesDefaults || {}; + options.legend = options.legend || {}; + options.seriesDefaults = options.seriesDefaults || {}; + // only set these if there is a funnel series + var setopts = false; + if (options.seriesDefaults.renderer == $.jqplot.FunnelRenderer) { + setopts = true; + } + else if (options.series) { + for (var i=0; i < options.series.length; i++) { + if (options.series[i].renderer == $.jqplot.FunnelRenderer) { + setopts = true; + } + } + } + + if (setopts) { + options.axesDefaults.renderer = $.jqplot.FunnelAxisRenderer; + options.legend.renderer = $.jqplot.FunnelLegendRenderer; + options.legend.preDraw = true; + options.sortData = false; + options.seriesDefaults.pointLabels = {show: false}; + } + } + + function postInit(target, data, options) { + // if multiple series, add a reference to the previous one so that + // funnel rings can nest. + for (var i=0; i<this.series.length; i++) { + if (this.series[i].renderer.constructor == $.jqplot.FunnelRenderer) { + // don't allow mouseover and mousedown at same time. + if (this.series[i].highlightMouseOver) { + this.series[i].highlightMouseDown = false; + } + } + } + } + + // called with scope of plot + function postParseOptions(options) { + for (var i=0; i<this.series.length; i++) { + this.series[i].seriesColors = this.seriesColors; + this.series[i].colorGenerator = $.jqplot.colorGenerator; + } + } + + function highlight (plot, sidx, pidx) { + var s = plot.series[sidx]; + var canvas = plot.plugins.funnelRenderer.highlightCanvas; + canvas._ctx.clearRect(0,0,canvas._ctx.canvas.width, canvas._ctx.canvas.height); + s._highlightedPoint = pidx; + plot.plugins.funnelRenderer.highlightedSeriesIndex = sidx; + s.renderer.drawSection.call(s, canvas._ctx, s._vertices[pidx], s.highlightColors[pidx], false); + } + + function unhighlight (plot) { + var canvas = plot.plugins.funnelRenderer.highlightCanvas; + canvas._ctx.clearRect(0,0, canvas._ctx.canvas.width, canvas._ctx.canvas.height); + for (var i=0; i<plot.series.length; i++) { + plot.series[i]._highlightedPoint = null; + } + plot.plugins.funnelRenderer.highlightedSeriesIndex = null; + plot.target.trigger('jqplotDataUnhighlight'); + } + + function handleMove(ev, gridpos, datapos, neighbor, plot) { + if (neighbor) { + var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data]; + var evt1 = jQuery.Event('jqplotDataMouseOver'); + evt1.pageX = ev.pageX; + evt1.pageY = ev.pageY; + plot.target.trigger(evt1, ins); + if (plot.series[ins[0]].highlightMouseOver && !(ins[0] == plot.plugins.funnelRenderer.highlightedSeriesIndex && ins[1] == plot.series[ins[0]]._highlightedPoint)) { + var evt = jQuery.Event('jqplotDataHighlight'); + evt.which = ev.which; + evt.pageX = ev.pageX; + evt.pageY = ev.pageY; + plot.target.trigger(evt, ins); + highlight (plot, ins[0], ins[1]); + } + } + else if (neighbor == null) { + unhighlight (plot); + } + } + + function handleMouseDown(ev, gridpos, datapos, neighbor, plot) { + if (neighbor) { + var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data]; + if (plot.series[ins[0]].highlightMouseDown && !(ins[0] == plot.plugins.funnelRenderer.highlightedSeriesIndex && ins[1] == plot.series[ins[0]]._highlightedPoint)) { + var evt = jQuery.Event('jqplotDataHighlight'); + evt.which = ev.which; + evt.pageX = ev.pageX; + evt.pageY = ev.pageY; + plot.target.trigger(evt, ins); + highlight (plot, ins[0], ins[1]); + } + } + else if (neighbor == null) { + unhighlight (plot); + } + } + + function handleMouseUp(ev, gridpos, datapos, neighbor, plot) { + var idx = plot.plugins.funnelRenderer.highlightedSeriesIndex; + if (idx != null && plot.series[idx].highlightMouseDown) { + unhighlight(plot); + } + } + + function handleClick(ev, gridpos, datapos, neighbor, plot) { + if (neighbor) { + var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data]; + var evt = jQuery.Event('jqplotDataClick'); + evt.which = ev.which; + evt.pageX = ev.pageX; + evt.pageY = ev.pageY; + plot.target.trigger(evt, ins); + } + } + + function handleRightClick(ev, gridpos, datapos, neighbor, plot) { + if (neighbor) { + var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data]; + var idx = plot.plugins.funnelRenderer.highlightedSeriesIndex; + if (idx != null && plot.series[idx].highlightMouseDown) { + unhighlight(plot); + } + var evt = jQuery.Event('jqplotDataRightClick'); + evt.which = ev.which; + evt.pageX = ev.pageX; + evt.pageY = ev.pageY; + plot.target.trigger(evt, ins); + } + } + + // called within context of plot + // create a canvas which we can draw on. + // insert it before the eventCanvas, so eventCanvas will still capture events. + function postPlotDraw() { + // Memory Leaks patch + if (this.plugins.funnelRenderer && this.plugins.funnelRenderer.highlightCanvas) { + this.plugins.funnelRenderer.highlightCanvas.resetCanvas(); + this.plugins.funnelRenderer.highlightCanvas = null; + } + + this.plugins.funnelRenderer = {}; + this.plugins.funnelRenderer.highlightCanvas = new $.jqplot.GenericCanvas(); + + // do we have any data labels? if so, put highlight canvas before those + var labels = $(this.targetId+' .jqplot-data-label'); + if (labels.length) { + $(labels[0]).before(this.plugins.funnelRenderer.highlightCanvas.createElement(this._gridPadding, 'jqplot-funnelRenderer-highlight-canvas', this._plotDimensions, this)); + } + // else put highlight canvas before event canvas. + else { + this.eventCanvas._elem.before(this.plugins.funnelRenderer.highlightCanvas.createElement(this._gridPadding, 'jqplot-funnelRenderer-highlight-canvas', this._plotDimensions, this)); + } + var hctx = this.plugins.funnelRenderer.highlightCanvas.setContext(); + this.eventCanvas._elem.bind('mouseleave', {plot:this}, function (ev) { unhighlight(ev.data.plot); }); + } + + $.jqplot.preInitHooks.push(preInit); + + $.jqplot.FunnelTickRenderer = function() { + $.jqplot.AxisTickRenderer.call(this); + }; + + $.jqplot.FunnelTickRenderer.prototype = new $.jqplot.AxisTickRenderer(); + $.jqplot.FunnelTickRenderer.prototype.constructor = $.jqplot.FunnelTickRenderer; + +})(jQuery); + +
\ No newline at end of file |