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diff --git a/schall/static/RGraph/libraries/RGraph.bar.js b/schall/static/RGraph/libraries/RGraph.bar.js
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+ /**
+ * o------------------------------------------------------------------------------o
+ * | This file is part of the RGraph package - you can learn more at: |
+ * | |
+ * | http://www.rgraph.net |
+ * | |
+ * | This package is licensed under the RGraph license. For all kinds of business |
+ * | purposes there is a small one-time licensing fee to pay and for non |
+ * | commercial purposes it is free to use. You can read the full license here: |
+ * | |
+ * | http://www.rgraph.net/LICENSE.txt |
+ * o------------------------------------------------------------------------------o
+ */
+
+ if (typeof(RGraph) == 'undefined') RGraph = {};
+
+ /**
+ * The bar chart constructor
+ *
+ * @param object canvas The canvas object
+ * @param array data The chart data
+ */
+ RGraph.Bar = function (id, data)
+ {
+ // Get the canvas and context objects
+ this.id = id;
+ this.canvas = document.getElementById(id);
+ this.context = this.canvas.getContext ? this.canvas.getContext("2d") : null;
+ this.canvas.__object__ = this;
+ this.type = 'bar';
+ this.max = 0;
+ this.stackedOrGrouped = false;
+ this.isRGraph = true;
+
+ /**
+ * Compatibility with older browsers
+ */
+ RGraph.OldBrowserCompat(this.context);
+
+
+ // Various config type stuff
+ this.properties = {
+ 'chart.background.barcolor1': 'rgba(0,0,0,0)',
+ 'chart.background.barcolor2': 'rgba(0,0,0,0)',
+ 'chart.background.grid': true,
+ 'chart.background.grid.color': '#ddd',
+ 'chart.background.grid.width': 1,
+ 'chart.background.grid.hsize': 20,
+ 'chart.background.grid.vsize': 20,
+ 'chart.background.grid.vlines': true,
+ 'chart.background.grid.hlines': true,
+ 'chart.background.grid.border': true,
+ 'chart.background.grid.autofit':true,
+ 'chart.background.grid.autofit.numhlines': 5,
+ 'chart.background.grid.autofit.numvlines': 20,
+ 'chart.background.image': null,
+ 'chart.ytickgap': 20,
+ 'chart.smallyticks': 3,
+ 'chart.largeyticks': 5,
+ 'chart.numyticks': 10,
+ 'chart.hmargin': 5,
+ 'chart.strokecolor': '#666',
+ 'chart.axis.color': 'black',
+ 'chart.gutter.top': 25,
+ 'chart.gutter.bottom': 25,
+ 'chart.gutter.left': 25,
+ 'chart.gutter.right': 25,
+ 'chart.labels': null,
+ 'chart.labels.ingraph': null,
+ 'chart.labels.above': false,
+ 'chart.labels.above.decimals': 0,
+ 'chart.labels.above.size': null,
+ 'chart.labels.above.angle': null,
+ 'chart.ylabels': true,
+ 'chart.ylabels.count': 5,
+ 'chart.ylabels.inside': false,
+ 'chart.xlabels.offset': 0,
+ 'chart.xaxispos': 'bottom',
+ 'chart.yaxispos': 'left',
+ 'chart.text.color': 'black',
+ 'chart.text.size': 10,
+ 'chart.text.angle': 0,
+ 'chart.text.font': 'Verdana',
+ 'chart.ymin': 0,
+ 'chart.ymax': null,
+ 'chart.title': '',
+ 'chart.title.font': null,
+ 'chart.title.background': null,
+ 'chart.title.hpos': null,
+ 'chart.title.vpos': null,
+ 'chart.title.bold': true,
+ 'chart.title.xaxis': '',
+ 'chart.title.xaxis.bold': true,
+ 'chart.title.xaxis.size': null,
+ 'chart.title.xaxis.font': null,
+ 'chart.title.yaxis': '',
+ 'chart.title.yaxis.bold': true,
+ 'chart.title.yaxis.size': null,
+ 'chart.title.yaxis.font': null,
+ 'chart.title.xaxis.pos': null,
+ 'chart.title.yaxis.pos': null,
+ 'chart.colors': ['rgb(0,0,255)', '#0f0', '#00f', '#ff0', '#0ff', '#0f0'],
+ 'chart.colors.sequential': false,
+ 'chart.colors.reverse': false,
+ 'chart.grouping': 'grouped',
+ 'chart.variant': 'bar',
+ 'chart.shadow': false,
+ 'chart.shadow.color': '#666',
+ 'chart.shadow.offsetx': 3,
+ 'chart.shadow.offsety': 3,
+ 'chart.shadow.blur': 3,
+ 'chart.tooltips': null,
+ 'chart.tooltips.effect': 'fade',
+ 'chart.tooltips.css.class': 'RGraph_tooltip',
+ 'chart.tooltips.event': 'onclick',
+ 'chart.tooltips.highlight': true,
+ 'chart.highlight.stroke': 'black',
+ 'chart.highlight.fill': 'rgba(255,255,255,0.5)',
+ 'chart.background.hbars': null,
+ 'chart.key': [],
+ 'chart.key.background': 'white',
+ 'chart.key.position': 'graph',
+ 'chart.key.shadow': false,
+ 'chart.key.shadow.color': '#666',
+ 'chart.key.shadow.blur': 3,
+ 'chart.key.shadow.offsetx': 2,
+ 'chart.key.shadow.offsety': 2,
+ 'chart.key.position.gutter.boxed': true,
+ 'chart.key.position.x': null,
+ 'chart.key.position.y': null,
+ 'chart.key.halign': 'right',
+ 'chart.key.color.shape': 'square',
+ 'chart.key.rounded': true,
+ 'chart.key.text.size': 10,
+ 'chart.key.linewidth': 1,
+ 'chart.contextmenu': null,
+ 'chart.line': null,
+ 'chart.units.pre': '',
+ 'chart.units.post': '',
+ 'chart.scale.decimals': 0,
+ 'chart.scale.point': '.',
+ 'chart.scale.thousand': ',',
+ 'chart.crosshairs': false,
+ 'chart.crosshairs.color': '#333',
+ 'chart.crosshairs.hline': true,
+ 'chart.crosshairs.vline': true,
+ 'chart.linewidth': 1,
+ 'chart.annotatable': false,
+ 'chart.annotate.color': 'black',
+ 'chart.zoom.factor': 1.5,
+ 'chart.zoom.fade.in': true,
+ 'chart.zoom.fade.out': true,
+ 'chart.zoom.hdir': 'right',
+ 'chart.zoom.vdir': 'down',
+ 'chart.zoom.frames': 25,
+ 'chart.zoom.delay': 16.666,
+ 'chart.zoom.shadow': true,
+ 'chart.zoom.mode': 'canvas',
+ 'chart.zoom.thumbnail.width': 75,
+ 'chart.zoom.thumbnail.height': 75,
+ 'chart.zoom.background': true,
+ 'chart.resizable': false,
+ 'chart.resize.handle.adjust': [0,0],
+ 'chart.resize.handle.background': null,
+ 'chart.adjustable': false,
+ 'chart.noaxes': false,
+ 'chart.noxaxis': false,
+ 'chart.noyaxis': false
+ }
+
+ // Check for support
+ if (!this.canvas) {
+ alert('[BAR] No canvas support');
+ return;
+ }
+
+ /**
+ * Determine whether the chart will contain stacked or grouped bars
+ */
+ for (i=0; i<data.length; ++i) {
+ if (typeof(data[i]) == 'object') {
+ this.stackedOrGrouped = true;
+ }
+ }
+
+ // Store the data
+ this.data = data;
+
+ // Used to store the coords of the bars
+ this.coords = [];
+
+ /**
+ * Set the .getShape commonly named method
+ */
+ this.getShape = this.getBar;
+ }
+
+
+ /**
+ * A setter
+ *
+ * @param name string The name of the property to set
+ * @param value mixed The value of the property
+ */
+ RGraph.Bar.prototype.Set = function (name, value)
+ {
+ name = name.toLowerCase();
+
+ if (name == 'chart.labels.abovebar') {
+ name = 'chart.labels.above';
+ }
+
+ if (name == 'chart.strokestyle') {
+ name = 'chart.strokecolor';
+ }
+
+ /**
+ * Check for xaxispos
+ */
+ if (name == 'chart.xaxispos' ) {
+ if (value != 'bottom' && value != 'center' && value != 'top') {
+ alert('[BAR] (' + this.id + ') chart.xaxispos should be top, center or bottom. Tried to set it to: ' + value + ' Changing it to center');
+ value = 'center';
+ }
+
+ if (value == 'top') {
+ for (var i=0; i<this.data.length; ++i) {
+ if (typeof(this.data[i]) == 'number' && this.data[i] > 0) {
+ alert('[BAR] The data element with index ' + i + ' should be negative');
+ }
+ }
+ }
+ }
+
+ this.properties[name] = value;
+ }
+
+
+ /**
+ * A getter
+ *
+ * @param name string The name of the property to get
+ */
+ RGraph.Bar.prototype.Get = function (name)
+ {
+ if (name == 'chart.labels.abovebar') {
+ name = 'chart.labels.above';
+ }
+
+ var value = this.properties[name];
+
+ return value;
+ }
+
+
+ /**
+ * The function you call to draw the bar chart
+ */
+ RGraph.Bar.prototype.Draw = function ()
+ {
+ // MUST be the first thing done!
+ if (typeof(this.Get('chart.background.image')) == 'string' && !this.__background_image__) {
+ RGraph.DrawBackgroundImage(this);
+ return;
+ }
+
+ /**
+ * Fire the onbeforedraw event
+ */
+ RGraph.FireCustomEvent(this, 'onbeforedraw');
+
+ /**
+ * Clear all of this canvases event handlers (the ones installed by RGraph)
+ */
+ RGraph.ClearEventListeners(this.id);
+
+ /**
+ * This is new in May 2011 and facilitates indiviual gutter settings,
+ * eg chart.gutter.left
+ */
+ this.gutterLeft = this.Get('chart.gutter.left');
+ this.gutterRight = this.Get('chart.gutter.right');
+ this.gutterTop = this.Get('chart.gutter.top');
+ this.gutterBottom = this.Get('chart.gutter.bottom');
+
+ /**
+ * Convert any null values to 0. Won't make any difference to the bar (as opposed to the line chart)
+ */
+ for (var i=0; i<this.data.length; ++i) {
+ if (this.data[i] == null) {
+ this.data[i] = 0;
+ }
+ }
+
+
+ // Cache this in a class variable as it's used rather a lot
+
+ /**
+ * Check for tooltips and alert the user that they're not supported with pyramid charts
+ */
+ if ( (this.Get('chart.variant') == 'pyramid' || this.Get('chart.variant') == 'dot')
+ && typeof(this.Get('chart.tooltips')) == 'object'
+ && this.Get('chart.tooltips')
+ && this.Get('chart.tooltips').length > 0) {
+
+ alert('[BAR] (' + this.id + ') Sorry, tooltips are not supported with dot or pyramid charts');
+ }
+
+ /**
+ * Stop the coords array from growing uncontrollably
+ */
+ this.coords = [];
+
+ /**
+ * Work out a few things. They need to be here because they depend on things you can change before you
+ * call Draw() but after you instantiate the object
+ */
+ this.max = 0;
+ this.grapharea = RGraph.GetHeight(this) - this.gutterTop - this.gutterBottom;
+ this.halfgrapharea = this.grapharea / 2;
+ this.halfTextHeight = this.Get('chart.text.size') / 2;
+
+ // Progressively Draw the chart
+ RGraph.background.Draw(this);
+
+
+ //If it's a sketch chart variant, draw the axes first
+ if (this.Get('chart.variant') == 'sketch') {
+ this.DrawAxes();
+ this.Drawbars();
+ } else {
+ this.Drawbars();
+ this.DrawAxes();
+ }
+
+ this.DrawLabels();
+
+
+ // Draw the key if necessary
+ if (this.Get('chart.key').length) {
+ RGraph.DrawKey(this, this.Get('chart.key'), this.Get('chart.colors'));
+ }
+
+
+ /**
+ * Setup the context menu if required
+ */
+ if (this.Get('chart.contextmenu')) {
+ RGraph.ShowContext(this);
+ }
+
+
+ /**
+ * Is a line is defined, draw it
+ */
+ var line = this.Get('chart.line');
+
+ if (line) {
+
+ line.__bar__ = this;
+
+ // Check the X axis positions
+ if (this.Get('chart.xaxispos') != line.Get('chart.xaxispos')) {
+ alert("[BAR] Using different X axis positions when combining the Bar and Line is not advised");
+ }
+
+ line.Set('chart.gutter.left', this.Get('chart.gutter.left'));
+ line.Set('chart.gutter.right', this.Get('chart.gutter.right'));
+ line.Set('chart.gutter.top', this.Get('chart.gutter.top'));
+ line.Set('chart.gutter.bottom', this.Get('chart.gutter.bottom'));
+
+ line.Set('chart.hmargin', (this.canvas.width - this.gutterLeft - this.gutterRight) / (line.original_data[0].length * 2));
+
+ // If a BAR custom yMax is set, use that
+ if (this.Get('chart.ymax') && !line.Get('chart.ymax')) {
+ line.Set('chart.ymax', this.Get('chart.ymax'));
+
+ } else if (line.Get('chart.ymax')) {
+ line.Set('chart.ymax', line.Get('chart.ymax'));
+ }
+
+ // The boolean is used to specify that the Line chart .Draw() method is being called by the Bar chart
+ line.Draw(true);
+ }
+
+
+ /**
+ * Draw "in graph" labels
+ */
+ if (this.Get('chart.labels.ingraph')) {
+ RGraph.DrawInGraphLabels(this);
+ }
+
+ /**
+ * Draw crosschairs
+ */
+ if (this.Get('chart.crosshairs')) {
+ RGraph.DrawCrosshairs(this);
+ }
+
+ /**
+ * If the canvas is annotatable, do install the event handlers
+ */
+ if (this.Get('chart.annotatable')) {
+ RGraph.Annotate(this);
+ }
+
+ /**
+ * This bit shows the mini zoom window if requested
+ */
+ if (this.Get('chart.zoom.mode') == 'thumbnail' || this.Get('chart.zoom.mode') == 'area') {
+ RGraph.ShowZoomWindow(this);
+ }
+
+
+ /**
+ * This function enables resizing
+ */
+ if (this.Get('chart.resizable')) {
+ RGraph.AllowResizing(this);
+ }
+
+
+ /**
+ * This function enables adjusting
+ */
+ if (this.Get('chart.adjustable')) {
+ RGraph.AllowAdjusting(this);
+ }
+
+ /**
+ * Fire the RGraph ondraw event
+ */
+ RGraph.FireCustomEvent(this, 'ondraw');
+ }
+
+
+ /**
+ * Draws the charts axes
+ */
+ RGraph.Bar.prototype.DrawAxes = function ()
+ {
+ if (this.Get('chart.noaxes')) {
+ return;
+ }
+
+ var xaxispos = this.Get('chart.xaxispos');
+ var yaxispos = this.Get('chart.yaxispos');
+
+ this.context.beginPath();
+ this.context.strokeStyle = this.Get('chart.axis.color');
+ this.context.lineWidth = 1;
+
+ // Draw the Y axis
+ if (this.Get('chart.noyaxis') == false) {
+ if (yaxispos == 'right') {
+ this.context.moveTo(RGraph.GetWidth(this) - this.gutterRight, this.gutterTop);
+ this.context.lineTo(RGraph.GetWidth(this) - this.gutterRight, RGraph.GetHeight(this) - this.gutterBottom);
+ } else {
+ this.context.moveTo(this.gutterLeft, this.gutterTop);
+ this.context.lineTo(this.gutterLeft, RGraph.GetHeight(this) - this.gutterBottom);
+ }
+ }
+
+ // Draw the X axis
+ if (this.Get('chart.noxaxis') == false) {
+ if (xaxispos == 'center') {
+ this.context.moveTo(this.gutterLeft, ((this.canvas.height - this.gutterTop - this.gutterBottom) / 2) + this.gutterTop);
+ this.context.lineTo(this.canvas.width - this.gutterRight, ((this.canvas.height - this.gutterTop - this.gutterBottom) / 2) + this.gutterTop);
+ } else if (xaxispos == 'top') {
+ this.context.moveTo(this.gutterLeft, this.gutterTop);
+ this.context.lineTo(this.canvas.width - this.gutterRight, this.gutterTop);
+ } else {
+ this.context.moveTo(this.gutterLeft, RGraph.GetHeight(this) - this.gutterBottom);
+ this.context.lineTo(RGraph.GetWidth(this) - this.gutterRight, RGraph.GetHeight(this) - this.gutterBottom);
+ }
+ }
+
+ var numYTicks = this.Get('chart.numyticks');
+
+ // Draw the Y tickmarks
+ if (this.Get('chart.noyaxis') == false) {
+ var yTickGap = (RGraph.GetHeight(this) - this.gutterTop - this.gutterBottom) / numYTicks;
+ var xpos = yaxispos == 'left' ? this.gutterLeft : RGraph.GetWidth(this) - this.gutterRight;
+
+ for (y=this.gutterTop;
+ xaxispos == 'center' ? y <= (RGraph.GetHeight(this) - this.gutterBottom) : y < (RGraph.GetHeight(this) - this.gutterBottom + (xaxispos == 'top' ? 1 : 0));
+ y += yTickGap) {
+
+ if (xaxispos == 'center' && y == (RGraph.GetHeight(this) / 2)) continue;
+
+ // X axis at the top
+ if (xaxispos == 'top' && y == this.gutterTop) continue;
+
+ this.context.moveTo(xpos, y);
+ this.context.lineTo(xpos + (yaxispos == 'left' ? -3 : 3), y);
+ }
+
+ /**
+ * If the X axis is not being shown, draw an extra tick
+ */
+ if (this.Get('chart.noxaxis')) {
+ if (xaxispos == 'center') {
+ this.context.moveTo(xpos + (yaxispos == 'left' ? -3 : 3), this.canvas.height / 2);
+ this.context.lineTo(xpos, RGraph.GetHeight(this) / 2);
+ } else if (xaxispos == 'top') {
+ this.context.moveTo(xpos + (yaxispos == 'left' ? -3 : 3), this.gutterTop);
+ this.context.lineTo(xpos, this.gutterTop);
+ } else {
+ this.context.moveTo(xpos + (yaxispos == 'left' ? -3 : 3), RGraph.GetHeight(this) - this.gutterBottom);
+ this.context.lineTo(xpos, RGraph.GetHeight(this) - this.gutterBottom);
+ }
+ }
+ }
+
+
+ // Draw the X tickmarks
+ if (this.Get('chart.noxaxis') == false) {
+
+ xTickGap = (RGraph.GetWidth(this) - this.gutterLeft - this.gutterRight) / this.data.length;
+
+ if (xaxispos == 'bottom') {
+ yStart = this.canvas.height - this.gutterBottom;
+ yEnd = (this.canvas.height - this.gutterBottom) + 3;
+ } else if (xaxispos == 'top') {
+ yStart = this.gutterTop - 3;
+ yEnd = this.gutterTop;
+ } else if (xaxispos == 'center') {
+ yStart = ((this.canvas.height - this.gutterTop - this.gutterBottom) / 2) + this.gutterTop + 3;
+ yEnd = ((this.canvas.height - this.gutterTop - this.gutterBottom) / 2) + this.gutterTop - 3;
+ }
+
+ //////////////// X TICKS ////////////////
+ var noEndXTick = this.Get('chart.noendxtick');
+
+ for (x=this.gutterLeft + (yaxispos == 'left' ? xTickGap : 0); x<this.canvas.width - this.gutterRight + (yaxispos == 'left' ? 5 : 0); x+=xTickGap) {
+
+ if (yaxispos == 'left' && !noEndXTick && x > this.gutterLeft) {
+ this.context.moveTo(x, yStart);
+ this.context.lineTo(x, yEnd);
+
+ } else if (yaxispos == 'left' && noEndXTick && x > this.gutterLeft && x < (this.canvas.width - this.gutterRight) ) {
+ this.context.moveTo(x, yStart);
+ this.context.lineTo(x, yEnd);
+
+ } else if (yaxispos == 'right' && x < (this.canvas.width - this.gutterRight) && !noEndXTick) {
+ this.context.moveTo(x, yStart);
+ this.context.lineTo(x, yEnd);
+
+ } else if (yaxispos == 'right' && x < (this.canvas.width - this.gutterRight) && x > (this.gutterLeft) && noEndXTick) {
+ this.context.moveTo(x, yStart);
+ this.context.lineTo(x, yEnd);
+ }
+ }
+
+ if (this.Get('chart.noyaxis')) {
+ this.context.moveTo(this.gutterLeft, yStart);
+ this.context.lineTo(this.gutterLeft, yEnd);
+ }
+
+ //////////////// X TICKS ////////////////
+ }
+
+ /**
+ * If the Y axis is not being shown, draw an extra tick
+ */
+ if (this.Get('chart.noyaxis') && this.Get('chart.noxaxis') == false) {
+ if (xaxispos == 'center') {
+ this.context.moveTo(this.gutterLeft, (RGraph.GetHeight(this) / 2) - 3);
+ this.context.lineTo(this.gutterLeft, (RGraph.GetHeight(this) / 2) + 3);
+ } else {
+ this.context.moveTo(this.gutterLeft, this.canvas.height - this.gutterBottom);
+ this.context.lineTo(this.gutterLeft, this.canvas.height - this.gutterBottom + 3);
+ }
+ }
+
+ this.context.stroke();
+ }
+
+
+ /**
+ * Draws the bars
+ */
+ RGraph.Bar.prototype.Drawbars = function ()
+ {
+ this.context.lineWidth = this.Get('chart.linewidth');
+ this.context.strokeStyle = this.Get('chart.strokecolor');
+ this.context.fillStyle = this.Get('chart.colors')[0];
+ var prevX = 0;
+ var prevY = 0;
+ var decimals = this.Get('chart.scale.decimals');
+
+ /**
+ * Work out the max value
+ */
+ if (this.Get('chart.ymax')) {
+
+ this.max = this.Get('chart.ymax');
+ this.min = this.Get('chart.ymin');
+
+ this.scale = [
+ (((this.max - this.min) * (1/5)) + this.min).toFixed(decimals),
+ (((this.max - this.min) * (2/5)) + this.min).toFixed(decimals),
+ (((this.max - this.min) * (3/5)) + this.min).toFixed(decimals),
+ (((this.max - this.min) * (4/5)) + this.min).toFixed(decimals),
+ (((this.max - this.min) * (5/5) + this.min)).toFixed(decimals)
+ ];
+ } else {
+
+ this.min = this.Get('chart.ymin');
+
+ for (i=0; i<this.data.length; ++i) {
+ if (typeof(this.data[i]) == 'object') {
+ var value = this.Get('chart.grouping') == 'grouped' ? Number(RGraph.array_max(this.data[i], true)) : Number(RGraph.array_sum(this.data[i])) ;
+
+ } else {
+ var value = Number(this.data[i]);
+ }
+
+ this.max = Math.max(Math.abs(this.max), Math.abs(value));
+ }
+
+ this.scale = RGraph.getScale(this.max, this);
+ this.max = this.scale[4];
+
+ if (this.Get('chart.ymin')) {
+
+ var decimals = this.Get('chart.scale.decimals');
+
+ this.scale[0] = ((Number(this.scale[4] - this.min) * 0.2) + this.min).toFixed(decimals);
+ this.scale[1] = ((Number(this.scale[4] - this.min) * 0.4) + this.min).toFixed(decimals);
+ this.scale[2] = ((Number(this.scale[4] - this.min) * 0.6) + this.min).toFixed(decimals);
+ this.scale[3] = ((Number(this.scale[4] - this.min) * 0.8) + this.min).toFixed(decimals);
+ this.scale[4] = ((Number(this.scale[4] - this.min) * 1.0) + this.min).toFixed(decimals);
+
+ } else {
+ if (this.Get('chart.scale.decimals')) {
+
+ var decimals = this.Get('chart.scale.decimals');
+
+ this.scale[0] = Number(this.scale[0]).toFixed(decimals);
+ this.scale[1] = Number(this.scale[1]).toFixed(decimals);
+ this.scale[2] = Number(this.scale[2]).toFixed(decimals);
+ this.scale[3] = Number(this.scale[3]).toFixed(decimals);
+ this.scale[4] = Number(this.scale[4]).toFixed(decimals);
+ }
+ }
+ }
+
+ /**
+ * Draw horizontal bars here
+ */
+ if (this.Get('chart.background.hbars') && this.Get('chart.background.hbars').length > 0) {
+ RGraph.DrawBars(this);
+ }
+
+ var variant = this.Get('chart.variant');
+
+ /**
+ * Draw the 3D axes is necessary
+ */
+ if (variant == '3d') {
+ RGraph.Draw3DAxes(this);
+ }
+
+ /**
+ * Get the variant once, and draw the bars, be they regular, stacked or grouped
+ */
+
+ // Get these variables outside of the loop
+ var xaxispos = this.Get('chart.xaxispos');
+ var width = (this.canvas.width - this.gutterLeft - this.gutterRight ) / this.data.length;
+ var orig_height = height;
+ var hmargin = this.Get('chart.hmargin');
+ var shadow = this.Get('chart.shadow');
+ var shadowColor = this.Get('chart.shadow.color');
+ var shadowBlur = this.Get('chart.shadow.blur');
+ var shadowOffsetX = this.Get('chart.shadow.offsetx');
+ var shadowOffsetY = this.Get('chart.shadow.offsety');
+ var strokeStyle = this.Get('chart.strokecolor');
+ var colors = this.Get('chart.colors');
+
+ for (i=0; i<this.data.length; ++i) {
+
+ // Work out the height
+ //The width is up outside the loop
+ var height = ((RGraph.array_sum(this.data[i]) < 0 ? RGraph.array_sum(this.data[i]) + this.min : RGraph.array_sum(this.data[i]) - this.min) / (this.max - this.min) ) * (this.canvas.height - this.gutterTop - this.gutterBottom);
+
+ // Half the height if the Y axis is at the center
+ if (xaxispos == 'center') {
+ height /= 2;
+ }
+
+ var x = (i * width) + this.gutterLeft;
+ var y = xaxispos == 'center' ? ((this.canvas.height - this.gutterTop - this.gutterBottom) / 2) + this.gutterTop - height
+ : this.canvas.height - height - this.gutterBottom;
+
+ // xaxispos is top
+ if (xaxispos == 'top') {
+ y = this.gutterTop + Math.abs(height);
+ }
+
+
+ // Account for negative lengths - Some browsers (eg Chrome) don't like a negative value
+ if (height < 0) {
+ y += height;
+ height = Math.abs(height);
+ }
+
+ /**
+ * Turn on the shadow if need be
+ */
+ if (shadow) {
+ this.context.shadowColor = shadowColor;
+ this.context.shadowBlur = shadowBlur;
+ this.context.shadowOffsetX = shadowOffsetX;
+ this.context.shadowOffsetY = shadowOffsetY;
+ }
+
+ /**
+ * Draw the bar
+ */
+ this.context.beginPath();
+ if (typeof(this.data[i]) == 'number') {
+
+ var barWidth = width - (2 * hmargin);
+
+ // Set the fill color
+ this.context.strokeStyle = strokeStyle;
+ this.context.fillStyle = colors[0];
+
+ /**
+ * Sequential colors
+ */
+ if (this.Get('chart.colors.sequential')) {
+ this.context.fillStyle = colors[i];
+ }
+
+ if (variant == 'sketch') {
+
+ this.context.lineCap = 'round';
+
+ var sketchOffset = 3;
+
+ this.context.beginPath();
+
+ this.context.strokeStyle = colors[0];
+
+ /**
+ * Sequential colors
+ */
+ if (this.Get('chart.colors.sequential')) {
+ this.context.strokeStyle = colors[i];
+ }
+
+ // Left side
+ this.context.moveTo(x + hmargin + 2, y + height - 2);
+ this.context.lineTo(x + hmargin , y - 2);
+
+ // The top
+ this.context.moveTo(x + hmargin - 3, y + -2 + (this.data[i] < 0 ? height : 0));
+ this.context.bezierCurveTo(x + ((hmargin + width) * 0.33),y + 5 + (this.data[i] < 0 ? height - 10: 0),x + ((hmargin + width) * 0.66),y + 5 + (this.data[i] < 0 ? height - 10 : 0),x + hmargin + width + -1, y + 0 + (this.data[i] < 0 ? height : 0));
+
+
+ // The right side
+ this.context.moveTo(x + hmargin + width - 2, y + -2);
+ this.context.lineTo(x + hmargin + width - 3, y + height - 3);
+
+ for (var r=0.2; r<=0.8; r+=0.2) {
+ this.context.moveTo(x + hmargin + width + (r > 0.4 ? -1 : 3) - (r * width),y - 1);
+ this.context.lineTo(x + hmargin + width - (r > 0.4 ? 1 : -1) - (r * width), y + height + (r == 0.2 ? 1 : -2));
+ }
+
+ this.context.stroke();
+
+ // Regular bar
+ } else if (variant == 'bar' || variant == '3d' || variant == 'glass' || variant == 'bevel') {
+
+ if (RGraph.isIE8() && shadow) {
+ this.DrawIEShadow([x + hmargin, y, barWidth, height]);
+ }
+
+ if (variant == 'glass') {
+ RGraph.filledCurvyRect(this.context, x + hmargin, y, barWidth, height, 3, this.data[i] > 0, this.data[i] > 0, this.data[i] < 0, this.data[i] < 0);
+ RGraph.strokedCurvyRect(this.context, x + hmargin, y, barWidth, height, 3, this.data[i] > 0, this.data[i] > 0, this.data[i] < 0, this.data[i] < 0);
+ } else {
+ this.context.strokeRect(x + hmargin, y, barWidth, height);
+ this.context.fillRect(x + hmargin, y, barWidth, height);
+ }
+
+
+ // This bit draws the text labels that appear above the bars if requested
+ if (this.Get('chart.labels.above')) {
+
+ // Turn off any shadow
+ if (shadow) {
+ RGraph.NoShadow(this);
+ }
+
+ var yPos = y - 3;
+
+ // Account for negative bars
+ if (this.data[i] < 0) {
+ yPos += height + 6 + (this.Get('chart.text.size') - 4);
+ }
+
+ // Account for chart.xaxispos=top
+ if (this.Get('chart.xaxispos') == 'top') {
+ yPos = this.gutterTop + height + 6 + (typeof(this.Get('chart.labels.above.size')) == 'number' ? this.Get('chart.labels.above.size') : this.Get('chart.text.size') - 4);
+ }
+
+ this.context.fillStyle = this.Get('chart.text.color');
+
+ RGraph.Text(this.context,
+ this.Get('chart.text.font'),
+ typeof(this.Get('chart.labels.above.size')) == 'number' ? this.Get('chart.labels.above.size') : this.Get('chart.text.size') - 3,
+ x + hmargin + (barWidth / 2),
+ yPos,
+ RGraph.number_format(this, Number(this.data[i]).toFixed(this.Get('chart.labels.above.decimals')),this.Get('chart.units.pre'),this.Get('chart.units.post')),
+ this.Get('chart.labels.above.angle') ? 'bottom' : null,
+ this.Get('chart.labels.above.angle') ? (this.Get('chart.labels.above.angle') > 0 && (this.Get('chart.xaxispos') != 'top') ? 'right' : 'left') : 'center',
+ null,
+ this.Get('chart.labels.above.angle')
+ );
+ }
+
+ // 3D effect
+ if (variant == '3d') {
+
+ var prevStrokeStyle = this.context.strokeStyle;
+ var prevFillStyle = this.context.fillStyle;
+
+ // Draw the top
+ this.context.beginPath();
+ this.context.moveTo(x + hmargin, y);
+ this.context.lineTo(x + hmargin + 10, y - 5);
+ this.context.lineTo(x + hmargin + 10 + barWidth, y - 5);
+ this.context.lineTo(x + hmargin + barWidth, y);
+ this.context.closePath();
+
+ this.context.stroke();
+ this.context.fill();
+
+ // Draw the right hand side
+ this.context.beginPath();
+ this.context.moveTo(x + hmargin + barWidth, y);
+ this.context.lineTo(x + hmargin + barWidth + 10, y - 5);
+ this.context.lineTo(x + hmargin + barWidth + 10, y + height - 5);
+ this.context.lineTo(x + hmargin + barWidth, y + height);
+ this.context.closePath();
+
+ this.context.stroke();
+ this.context.fill();
+
+ // Draw the darker top section
+ this.context.beginPath();
+ this.context.fillStyle = 'rgba(255,255,255,0.3)';
+ this.context.moveTo(x + hmargin, y);
+ this.context.lineTo(x + hmargin + 10, y - 5);
+ this.context.lineTo(x + hmargin + 10 + barWidth, y - 5);
+ this.context.lineTo(x + hmargin + barWidth, y);
+ this.context.lineTo(x + hmargin, y);
+ this.context.closePath();
+
+ this.context.stroke();
+ this.context.fill();
+
+ // Draw the darker right side section
+ this.context.beginPath();
+ this.context.fillStyle = 'rgba(0,0,0,0.4)';
+ this.context.moveTo(x + hmargin + barWidth, y);
+ this.context.lineTo(x + hmargin + barWidth + 10, y - 5);
+ this.context.lineTo(x + hmargin + barWidth + 10, y - 5 + height);
+ this.context.lineTo(x + hmargin + barWidth, y + height);
+ this.context.lineTo(x + hmargin + barWidth, y);
+ this.context.closePath();
+
+ this.context.stroke();
+ this.context.fill();
+
+ this.context.strokeStyle = prevStrokeStyle;
+ this.context.fillStyle = prevFillStyle;
+
+ // Glass variant
+ } else if (variant == 'glass') {
+
+ var grad = this.context.createLinearGradient(
+ x + hmargin,
+ y,
+ x + hmargin + (barWidth / 2),
+ y
+ );
+ grad.addColorStop(0, 'rgba(255,255,255,0.9)');
+ grad.addColorStop(1, 'rgba(255,255,255,0.5)');
+
+ this.context.beginPath();
+ this.context.fillStyle = grad;
+ this.context.fillRect(x + hmargin + 2,y + (this.data[i] > 0 ? 2 : 0),(barWidth / 2) - 2,height - 2);
+ this.context.fill();
+ }
+
+ // Dot chart
+ } else if (variant == 'dot') {
+
+ this.context.beginPath();
+ this.context.moveTo(x + (width / 2), y);
+ this.context.lineTo(x + (width / 2), y + height);
+ this.context.stroke();
+
+ this.context.beginPath();
+ this.context.fillStyle = this.Get('chart.colors')[i];
+ this.context.arc(x + (width / 2), y + (this.data[i] > 0 ? 0 : height), 2, 0, 6.28, 0);
+
+ // Set the colour for the dots
+ this.context.fillStyle = this.Get('chart.colors')[0];
+
+ /**
+ * Sequential colors
+ */
+ if (this.Get('chart.colors.sequential')) {
+ this.context.fillStyle = colors[i];
+ }
+
+ this.context.stroke();
+ this.context.fill();
+
+ // Pyramid chart
+ } else if (variant == 'pyramid') {
+
+ this.context.beginPath();
+ var startY = (this.Get('chart.xaxispos') == 'center' ? (RGraph.GetHeight(this) / 2) : (RGraph.GetHeight(this) - this.gutterBottom));
+
+ this.context.moveTo(x + hmargin, startY);
+ this.context.lineTo(
+ x + hmargin + (barWidth / 2),
+ y + (this.Get('chart.xaxispos') == 'center' && (this.data[i] < 0) ? height : 0)
+ );
+ this.context.lineTo(x + hmargin + barWidth, startY);
+
+ this.context.closePath();
+
+ this.context.stroke();
+ this.context.fill();
+
+ // Arrow chart
+ } else if (variant == 'arrow') {
+
+ var startY = (this.Get('chart.xaxispos') == 'center' ? (RGraph.GetHeight(this) / 2) : (RGraph.GetHeight(this) - this.gutterBottom));
+
+ this.context.lineWidth = this.Get('chart.linewidth') ? this.Get('chart.linewidth') : 1;
+ this.context.lineCap = 'round';
+
+ this.context.beginPath();
+
+ this.context.moveTo(x + hmargin + (barWidth / 2), startY);
+ this.context.lineTo(x + hmargin + (barWidth / 2), y + (this.Get('chart.xaxispos') == 'center' && (this.data[i] < 0) ? height : 0));
+ this.context.arc(x + hmargin + (barWidth / 2),
+ y + (this.Get('chart.xaxispos') == 'center' && (this.data[i] < 0) ? height : 0),
+ 5,
+ this.data[i] > 0 ? 0.78 : 5.6,
+ this.data[i] > 0 ? 0.79 : 5.48,
+ this.data[i] < 0);
+
+ this.context.moveTo(x + hmargin + (barWidth / 2), y + (this.Get('chart.xaxispos') == 'center' && (this.data[i] < 0) ? height : 0));
+ this.context.arc(x + hmargin + (barWidth / 2),
+ y + (this.Get('chart.xaxispos') == 'center' && (this.data[i] < 0) ? height : 0),
+ 5,
+ this.data[i] > 0 ? 2.355 : 4,
+ this.data[i] > 0 ? 2.4 : 3.925,
+ this.data[i] < 0);
+
+ this.context.stroke();
+
+ this.context.lineWidth = 1;
+
+ // Unknown variant type
+ } else {
+ alert('[BAR] Warning! Unknown chart.variant: ' + variant);
+ }
+
+ this.coords.push([x + hmargin, y, width - (2 * hmargin), height]);
+
+
+ /**
+ * Stacked bar
+ */
+ } else if (typeof(this.data[i]) == 'object' && this.Get('chart.grouping') == 'stacked') {
+
+ if (this.min) {
+ alert("[ERROR] Stacked Bar charts with a Y min are not supported");
+ }
+
+ var barWidth = width - (2 * hmargin);
+ var redrawCoords = [];// Necessary to draw if the shadow is enabled
+ var startY = 0;
+ var dataset = this.data[i];
+
+ for (j=0; j<dataset.length; ++j) {
+
+ // Stacked bar chart and X axis pos in the middle - poitless since negative values are not permitted
+ if (xaxispos == 'center') {
+ alert("[BAR] It's pointless having the X axis position at the center on a stacked bar chart.");
+ return;
+ }
+
+ // Negative values not permitted for the stacked chart
+ if (this.data[i][j] < 0) {
+ alert('[BAR] Negative values are not permitted with a stacked bar chart. Try a grouped one instead.');
+ return;
+ }
+
+ /**
+ * Set the fill and stroke colors
+ */
+ this.context.strokeStyle = strokeStyle
+ this.context.fillStyle = colors[j];
+
+ if (this.Get('chart.colors.reverse')) {
+ this.context.fillStyle = colors[this.data[i].length - j - 1];
+ }
+
+ var height = (dataset[j] / this.max) * (this.canvas.height - this.gutterTop - this.gutterBottom );
+
+ // If the X axis pos is in the center, we need to half the height
+ if (xaxispos == 'center') {
+ height /= 2;
+ }
+
+ var totalHeight = (RGraph.array_sum(dataset) / this.max) * (this.canvas.height - hmargin - this.gutterTop - this.gutterBottom);
+
+ /**
+ * Store the coords for tooltips
+ */
+ this.coords.push([x + hmargin, y, width - (2 * hmargin), height]);
+
+ // MSIE shadow
+ if (RGraph.isIE8() && shadow) {
+ this.DrawIEShadow([x + hmargin, y, width - (2 * hmargin), height + 1]);
+ }
+
+ this.context.strokeRect(x + hmargin, y, width - (2 * hmargin), height);
+ this.context.fillRect(x + hmargin, y, width - (2 * hmargin), height);
+
+
+ if (j == 0) {
+ var startY = y;
+ var startX = x;
+ }
+
+ /**
+ * Store the redraw coords if the shadow is enabled
+ */
+ if (shadow) {
+ redrawCoords.push([x + hmargin, y, width - (2 * hmargin), height, colors[j]]);
+ }
+
+ /**
+ * Stacked 3D effect
+ */
+ if (variant == '3d') {
+
+ var prevFillStyle = this.context.fillStyle;
+ var prevStrokeStyle = this.context.strokeStyle;
+
+
+ // Draw the top side
+ if (j == 0) {
+ this.context.beginPath();
+ this.context.moveTo(startX + hmargin, y);
+ this.context.lineTo(startX + 10 + hmargin, y - 5);
+ this.context.lineTo(startX + 10 + barWidth + hmargin, y - 5);
+ this.context.lineTo(startX + barWidth + hmargin, y);
+ this.context.closePath();
+
+ this.context.fill();
+ this.context.stroke();
+ }
+
+ // Draw the side section
+ this.context.beginPath();
+ this.context.moveTo(startX + barWidth + hmargin, y);
+ this.context.lineTo(startX + barWidth + hmargin + 10, y - 5);
+ this.context.lineTo(startX + barWidth + + hmargin + 10, y - 5 + height);
+ this.context.lineTo(startX + barWidth + hmargin , y + height);
+ this.context.closePath();
+
+ this.context.fill();
+ this.context.stroke();
+
+ // Draw the darker top side
+ if (j == 0) {
+ this.context.fillStyle = 'rgba(255,255,255,0.3)';
+ this.context.beginPath();
+ this.context.moveTo(startX + hmargin, y);
+ this.context.lineTo(startX + 10 + hmargin, y - 5);
+ this.context.lineTo(startX + 10 + barWidth + hmargin, y - 5);
+ this.context.lineTo(startX + barWidth + hmargin, y);
+ this.context.closePath();
+
+ this.context.fill();
+ this.context.stroke();
+ }
+
+ // Draw the darker side section
+ this.context.fillStyle = 'rgba(0,0,0,0.4)';
+ this.context.beginPath();
+ this.context.moveTo(startX + barWidth + hmargin, y);
+ this.context.lineTo(startX + barWidth + hmargin + 10, y - 5);
+ this.context.lineTo(startX + barWidth + + hmargin + 10, y - 5 + height);
+ this.context.lineTo(startX + barWidth + hmargin , y + height);
+ this.context.closePath();
+
+ this.context.fill();
+ this.context.stroke();
+
+ this.context.strokeStyle = prevStrokeStyle;
+ this.context.fillStyle = prevFillStyle;
+ }
+
+ y += height;
+ }
+
+ // This bit draws the text labels that appear above the bars if requested
+ if (this.Get('chart.labels.above')) {
+
+ // Turn off any shadow
+ RGraph.NoShadow(this);
+
+ this.context.fillStyle = this.Get('chart.text.color');
+ RGraph.Text(this.context,this.Get('chart.text.font'),typeof(this.Get('chart.labels.above.size')) == 'number' ? this.Get('chart.labels.above.size') : this.Get('chart.text.size') - 3,startX + (barWidth / 2) + this.Get('chart.hmargin'),startY - (this.Get('chart.shadow') && this.Get('chart.shadow.offsety') < 0 ? 7 : 4),String(this.Get('chart.units.pre') + RGraph.array_sum(this.data[i]).toFixed(this.Get('chart.labels.above.decimals')) + this.Get('chart.units.post')),this.Get('chart.labels.above.angle') ? 'bottom' : null,this.Get('chart.labels.above.angle') ? (this.Get('chart.labels.above.angle') > 0 ? 'right' : 'left') : 'center',null,this.Get('chart.labels.above.angle'));
+
+ // Turn any shadow back on
+ if (shadow) {
+ this.context.shadowColor = shadowColor;
+ this.context.shadowBlur = shadowBlur;
+ this.context.shadowOffsetX = shadowOffsetX;
+ this.context.shadowOffsetY = shadowOffsetY;
+ }
+ }
+
+
+ /**
+ * Redraw the bars if the shadow is enabled due to hem being drawn from the bottom up, and the
+ * shadow spilling over to higher up bars
+ */
+ if (shadow) {
+
+ RGraph.NoShadow(this);
+
+ for (k=0; k<redrawCoords.length; ++k) {
+ this.context.strokeStyle = strokeStyle;
+ this.context.fillStyle = redrawCoords[k][4];
+ this.context.strokeRect(redrawCoords[k][0], redrawCoords[k][1], redrawCoords[k][2], redrawCoords[k][3]);
+ this.context.fillRect(redrawCoords[k][0], redrawCoords[k][1], redrawCoords[k][2], redrawCoords[k][3]);
+
+ this.context.stroke();
+ this.context.fill();
+ }
+
+ // Reset the redraw coords to be empty
+ redrawCoords = [];
+ }
+ /**
+ * Grouped bar
+ */
+ } else if (typeof(this.data[i]) == 'object' && this.Get('chart.grouping') == 'grouped') {
+
+ var redrawCoords = [];
+ this.context.lineWidth = this.Get('chart.linewidth');
+
+ for (j=0; j<this.data[i].length; ++j) {
+ // Set the fill and stroke colors
+ this.context.strokeStyle = strokeStyle;
+ this.context.fillStyle = colors[j];
+
+ var individualBarWidth = (width - (2 * hmargin)) / this.data[i].length;
+ var height = ((this.data[i][j] + (this.data[i][j] < 0 ? this.min : (-1 * this.min) )) / (this.max - this.min) ) * (this.canvas.height - this.gutterTop - this.gutterBottom );
+
+ // If the X axis pos is in the center, we need to half the height
+ if (xaxispos == 'center') {
+ height /= 2;
+ }
+
+ var startX = x + hmargin + (j * individualBarWidth);
+
+ /**
+ * Determine the start positioning for the bar
+ */
+ if (xaxispos == 'top') {
+ var startY = this.Get('chart.gutter.top');
+ var height = Math.abs(height);
+
+ } else if (xaxispos == 'center') {
+ var startY = this.gutterTop + (this.grapharea / 2) - height;
+
+ } else {
+ var startY = this.canvas.height - this.gutterBottom - height;
+ var height = Math.abs(height);
+ }
+
+ /**
+ * Draw MSIE shadow
+ */
+ if (RGraph.isIE8() && shadow) {
+ this.DrawIEShadow([startX, startY, individualBarWidth, height]);
+ }
+
+ this.context.strokeRect(startX, startY, individualBarWidth, height);
+ this.context.fillRect(startX, startY, individualBarWidth, height);
+ y += height;
+
+ // This bit draws the text labels that appear above the bars if requested
+ if (this.Get('chart.labels.above')) {
+
+ this.context.strokeStyle = 'rgba(0,0,0,0)';
+
+ // Turn off any shadow
+ if (shadow) {
+ RGraph.NoShadow(this);
+ }
+
+ var yPos = y - 3;
+
+ // Account for negative bars
+ if (this.data[i][j] < 0) {
+ yPos += height + 6 + (this.Get('chart.text.size') - 4);
+ }
+
+ this.context.fillStyle = this.Get('chart.text.color');
+ RGraph.Text(this.context,this.Get('chart.text.font'),typeof(this.Get('chart.labels.above.size')) == 'number' ? this.Get('chart.labels.above.size') : this.Get('chart.text.size') - 3,startX + (individualBarWidth / 2),startY - 2,RGraph.number_format(this, this.data[i][j].toFixed(this.Get('chart.labels.above.decimals'))),null,this.Get('chart.labels.above.angle') ? (this.Get('chart.labels.above.angle') > 0 ? 'right' : 'left') : 'center', null, this.Get('chart.labels.above.angle'));
+
+ // Turn any shadow back on
+ if (shadow) {
+ this.context.shadowColor = shadowColor;
+ this.context.shadowBlur = shadowBlur;
+ this.context.shadowOffsetX = shadowOffsetX;
+ this.context.shadowOffsetY = shadowOffsetY;
+ }
+ }
+
+ /**
+ * Grouped 3D effect
+ */
+ if (variant == '3d') {
+ var prevFillStyle = this.context.fillStyle;
+ var prevStrokeStyle = this.context.strokeStyle;
+
+ // Draw the top side
+ this.context.beginPath();
+ this.context.moveTo(startX, startY);
+ this.context.lineTo(startX + 10, startY - 5);
+ this.context.lineTo(startX + 10 + individualBarWidth, startY - 5);
+ this.context.lineTo(startX + individualBarWidth, startY);
+ this.context.closePath();
+
+ this.context.fill();
+ this.context.stroke();
+
+ // Draw the side section
+ this.context.beginPath();
+ this.context.moveTo(startX + individualBarWidth, startY);
+ this.context.lineTo(startX + individualBarWidth + 10, startY - 5);
+ this.context.lineTo(startX + individualBarWidth + 10, startY - 5 + height);
+ this.context.lineTo(startX + individualBarWidth , startY + height);
+ this.context.closePath();
+
+ this.context.fill();
+ this.context.stroke();
+
+
+ // Draw the darker top side
+ this.context.fillStyle = 'rgba(255,255,255,0.3)';
+ this.context.beginPath();
+ this.context.moveTo(startX, startY);
+ this.context.lineTo(startX + 10, startY - 5);
+ this.context.lineTo(startX + 10 + individualBarWidth, startY - 5);
+ this.context.lineTo(startX + individualBarWidth, startY);
+ this.context.closePath();
+
+ this.context.fill();
+ this.context.stroke();
+
+ // Draw the darker side section
+ this.context.fillStyle = 'rgba(0,0,0,0.4)';
+ this.context.beginPath();
+ this.context.moveTo(startX + individualBarWidth, startY);
+ this.context.lineTo(startX + individualBarWidth + 10, startY - 5);
+ this.context.lineTo(startX + individualBarWidth + 10, startY - 5 + height);
+ this.context.lineTo(startX + individualBarWidth , startY + height);
+ this.context.closePath();
+
+ this.context.fill();
+ this.context.stroke();
+
+ this.context.strokeStyle = prevStrokeStyle;
+ this.context.fillStyle = prevFillStyle;
+ }
+
+ this.coords.push([startX, startY, individualBarWidth, height]);
+
+ // Facilitate shadows going to the left
+ if (this.Get('chart.shadow')) {
+ redrawCoords.push([startX, startY, individualBarWidth, height]);
+ }
+ }
+
+ /**
+ * Redraw the bar if shadows are going to the left
+ */
+ if (redrawCoords.length) {
+
+ RGraph.NoShadow(this);
+
+ this.context.lineWidth = this.Get('chart.linewidth');
+
+ this.context.beginPath();
+ for (var j=0; j<redrawCoords.length; ++j) {
+
+ this.context.fillStyle = this.Get('chart.colors')[j];
+ this.context.strokeStyle = this.Get('chart.strokecolor');
+
+ this.context.fillRect(redrawCoords[j][0], redrawCoords[j][1], redrawCoords[j][2], redrawCoords[j][3]);
+ this.context.strokeRect(redrawCoords[j][0], redrawCoords[j][1], redrawCoords[j][2], redrawCoords[j][3]);
+ }
+ this.context.fill();
+ this.context.stroke();
+
+ redrawCoords = [];
+ }
+ }
+
+ this.context.closePath();
+ }
+
+ /**
+ * Turn off any shadow
+ */
+ RGraph.NoShadow(this);
+
+
+ /**
+ * Install the onclick event handler
+ */
+ if (this.Get('chart.tooltips')) {
+
+ // Need to register this object for redrawing
+ RGraph.Register(this);
+
+ RGraph.InstallBarTooltipEventListeners(this);
+ }
+ }
+
+ /**
+ * Draws the labels for the graph
+ */
+ RGraph.Bar.prototype.DrawLabels = function ()
+ {
+ var context = this.context;
+ var text_angle = this.Get('chart.text.angle');
+ var text_size = this.Get('chart.text.size');
+ var labels = this.Get('chart.labels');
+
+
+ // Draw the Y axis labels:
+ if (this.Get('chart.ylabels')) {
+ this.Drawlabels_top();
+ this.Drawlabels_center();
+ this.Drawlabels_bottom();
+ }
+
+ /**
+ * The X axis labels
+ */
+ if (typeof(labels) == 'object' && labels) {
+
+ var yOffset = 13 + Number(this.Get('chart.xlabels.offset'));
+
+ /**
+ * Text angle
+ */
+ var angle = 0;
+ var halign = 'center';
+
+ if (text_angle > 0) {
+ angle = -1 * text_angle;
+ halign = 'right';
+ yOffset -= 5;
+
+ if (this.Get('chart.xaxispos') == 'top') {
+ halign = 'left';
+ yOffset += 5;
+ }
+ }
+
+ // Draw the X axis labels
+ context.fillStyle = this.Get('chart.text.color');
+
+ // How wide is each bar
+ var barWidth = (RGraph.GetWidth(this) - this.gutterRight - this.gutterLeft) / labels.length;
+
+ // Reset the xTickGap
+ xTickGap = (RGraph.GetWidth(this) - this.gutterRight - this.gutterLeft) / labels.length
+
+ // Draw the X tickmarks
+ var i=0;
+ var font = this.Get('chart.text.font');
+
+ for (x=this.gutterLeft + (xTickGap / 2); x<=RGraph.GetWidth(this) - this.gutterRight; x+=xTickGap) {
+ RGraph.Text(context, font,
+ text_size,
+ x + (this.Get('chart.text.angle') == 90 ? 0 : 0),
+ this.Get('chart.xaxispos') == 'top' ? this.gutterTop - yOffset + text_size - 1: (RGraph.GetHeight(this) - this.gutterBottom) + yOffset,
+ String(labels[i++]),
+ (this.Get('chart.text.angle') == 90 ? 'center' : null),
+ halign,
+ null,
+ angle);
+ }
+ }
+ }
+
+ /**
+ * Draws the X axis at the top
+ */
+ RGraph.Bar.prototype.Drawlabels_top = function ()
+ {
+ this.context.beginPath();
+ this.context.fillStyle = this.Get('chart.text.color');
+ this.context.strokeStyle = 'black';
+
+ if (this.Get('chart.xaxispos') == 'top') {
+
+ var context = this.context;
+ var interval = (this.grapharea * (1/5) );
+ var text_size = this.Get('chart.text.size');
+ var units_pre = this.Get('chart.units.pre');
+ var units_post = this.Get('chart.units.post');
+ var align = this.Get('chart.yaxispos') == 'left' ? 'right' : 'left';
+ var font = this.Get('chart.text.font');
+ var numYLabels = this.Get('chart.ylabels.count');
+
+ if (this.Get('chart.ylabels.inside') == true) {
+ var xpos = this.Get('chart.yaxispos') == 'left' ? this.gutterLeft + 5 : RGraph.GetWidth(this) - this.gutterRight - 5;
+ var align = this.Get('chart.yaxispos') == 'left' ? 'left' : 'right';
+ var boxed = true;
+ } else {
+ var xpos = this.Get('chart.yaxispos') == 'left' ? this.gutterLeft - 5 : this.canvas.width - this.gutterRight + 5;
+ var boxed = false;
+ }
+
+ /**
+ * Draw specific Y labels here so that the local variables can be reused
+ */
+ if (typeof(this.Get('chart.ylabels.specific')) == 'object' && this.Get('chart.ylabels.specific')) {
+
+ var labels = RGraph.array_reverse(this.Get('chart.ylabels.specific'));
+ var grapharea = RGraph.GetHeight(this) - this.gutterTop - this.gutterBottom;
+
+ for (var i=0; i<labels.length; ++i) {
+
+ var y = this.gutterTop + (grapharea * (i / labels.length)) + (grapharea / labels.length);
+
+ RGraph.Text(context, font, text_size, xpos, y, labels[i], 'center', align, boxed);
+ }
+
+ return;
+ }
+
+ // 1(ish) label
+ if (numYLabels == 3 || numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, this.gutterTop + this.halfTextHeight + interval, '-' + RGraph.number_format(this, this.scale[0], units_pre, units_post), null, align, boxed);
+
+ // 5 labels
+ if (numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, (1*interval) + this.gutterTop + this.halfTextHeight + interval, '-' + RGraph.number_format(this, this.scale[1], units_pre, units_post), null, align, boxed);
+ RGraph.Text(context, font, text_size, xpos, (3*interval) + this.gutterTop + this.halfTextHeight + interval, '-' + RGraph.number_format(this, this.scale[3], units_pre, units_post), null, align, boxed);
+ }
+
+ // 3 labels
+ if (numYLabels == 3 || numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, (2*interval) + this.gutterTop + this.halfTextHeight + interval, '-' + RGraph.number_format(this, this.scale[2], units_pre, units_post), null, align, boxed);
+ RGraph.Text(context, font, text_size, xpos, (4*interval) + this.gutterTop + this.halfTextHeight + interval, '-' + RGraph.number_format(this, this.scale[4], units_pre, units_post), null, align, boxed);
+ }
+ }
+
+ // 10 Y labels
+ if (numYLabels == 10) {
+
+ interval = (this.grapharea / numYLabels );
+
+ for (var i=10; i>0; --i) {
+ RGraph.Text(context, font, text_size, xpos,this.gutterTop + ((this.grapharea / numYLabels) * i),'-' + RGraph.number_format(this,((this.scale[4] / numYLabels) * i).toFixed((this.Get('chart.scale.decimals'))), units_pre, units_post), 'center', align, boxed);
+ }
+ }
+
+ /**
+ * Show the minimum value if its not zero
+ */
+ if (this.Get('chart.ymin') != 0) {
+ RGraph.Text(context,
+ font,
+ text_size,
+ xpos,
+ this.gutterTop,
+ '-' + RGraph.number_format(this,(this.min.toFixed((this.Get('chart.scale.decimals')))), units_pre, units_post),
+ 'center',
+ align,
+ boxed);
+ }
+
+ }
+
+ this.context.fill();
+ this.context.stroke();
+ }
+
+ /**
+ * Draws the X axis in the middle
+ */
+ RGraph.Bar.prototype.Drawlabels_center = function ()
+ {
+ var font = this.Get('chart.text.font');
+ var numYLabels = this.Get('chart.ylabels.count');
+
+ this.context.fillStyle = this.Get('chart.text.color');
+
+ if (this.Get('chart.xaxispos') == 'center') {
+
+ /**
+ * Draw the top labels
+ */
+ var interval = (this.grapharea * (1/10) );
+ var text_size = this.Get('chart.text.size');
+ var units_pre = this.Get('chart.units.pre');
+ var units_post = this.Get('chart.units.post');
+ var context = this.context;
+ var align = '';
+ var xpos = 0;
+ var boxed = false;
+
+ this.context.fillStyle = this.Get('chart.text.color');
+ this.context.strokeStyle = 'black';
+
+ if (this.Get('chart.ylabels.inside') == true) {
+ var xpos = this.Get('chart.yaxispos') == 'left' ? this.gutterLeft + 5 : RGraph.GetWidth(this) - this.gutterRight - 5;
+ var align = this.Get('chart.yaxispos') == 'left' ? 'left' : 'right';
+ var boxed = true;
+ } else {
+ var xpos = this.Get('chart.yaxispos') == 'left' ? this.gutterLeft - 5 : RGraph.GetWidth(this) - this.gutterRight + 5;
+ var align = this.Get('chart.yaxispos') == 'left' ? 'right' : 'left';
+ var boxed = false;
+ }
+
+
+
+
+
+
+
+
+
+
+
+
+ /**
+ * Draw specific Y labels here so that the local variables can be reused
+ */
+ if (typeof(this.Get('chart.ylabels.specific')) == 'object' && this.Get('chart.ylabels.specific')) {
+
+ var labels = this.Get('chart.ylabels.specific');
+ var grapharea = this.canvas.height - this.gutterTop - this.gutterBottom;
+
+ // Draw the top halves labels
+ for (var i=0; i<labels.length; ++i) {
+
+ var y = this.gutterTop + ((grapharea / 2) / labels.length) * i;
+
+ RGraph.Text(context, font, text_size, xpos, y, String(labels[i]), 'center', align, boxed);
+ }
+
+ // Draw the bottom halves labels
+ for (var i=labels.length-1; i>=0; --i) {
+ var y = this.gutterTop + (grapharea * ( (i+1) / (labels.length * 2) )) + (grapharea / 2);
+
+ RGraph.Text(context, font, text_size, xpos, y, labels[labels.length - i - 1], 'center', align, boxed);
+ }
+
+ return;
+ }
+
+
+
+
+
+
+
+
+
+
+
+
+ if (numYLabels == 3 || numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[4], units_pre, units_post), null, align, boxed);
+
+ if (numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, (1*interval) + this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[3], units_pre, units_post), null, align, boxed);
+ RGraph.Text(context, font, text_size, xpos, (3*interval) + this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[1], units_pre, units_post), null, align, boxed);
+ }
+
+ if (numYLabels == 3 || numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, (4*interval) + this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[0], units_pre, units_post), null, align, boxed);
+ RGraph.Text(context, font, text_size, xpos, (2*interval) + this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[2], units_pre, units_post), null, align, boxed);
+ }
+ } else if (numYLabels == 10) {
+ // 10Y labels
+ interval = (this.grapharea / numYLabels) / 2;
+
+ for (var i=0; i<numYLabels; ++i) {
+ RGraph.Text(context, font, text_size, xpos,this.gutterTop + ((this.grapharea / (numYLabels * 2)) * i),RGraph.number_format(this, ((this.scale[4] / numYLabels) * (numYLabels - i)).toFixed((this.Get('chart.scale.decimals'))), units_pre, units_post), 'center', align, boxed);
+ }
+ }
+ ///////////////////////////////////////////////////////////////////////////////////
+
+ /**
+ * Draw the bottom (X axis) labels
+ */
+ var interval = (this.grapharea) / 10;
+
+ if (numYLabels == 3 || numYLabels == 5) {
+ if (numYLabels == 3 || numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, (this.grapharea + this.gutterTop + this.halfTextHeight) - (4 * interval), '-' + RGraph.number_format(this, this.scale[0], units_pre, units_post), null, align, boxed);
+ RGraph.Text(context, font, text_size, xpos, (this.grapharea + this.gutterTop + this.halfTextHeight) - (2 * interval), '-' + RGraph.number_format(this, this.scale[2], units_pre, units_post), null, align, boxed);
+ }
+
+ if (numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, (this.grapharea + this.gutterTop + this.halfTextHeight) - (3 * interval), '-' + RGraph.number_format(this, this.scale[1], units_pre, units_post), null, align, boxed);
+ RGraph.Text(context, font, text_size, xpos, (this.grapharea + this.gutterTop + this.halfTextHeight) - interval, '-' + RGraph.number_format(this, this.scale[3], units_pre, units_post), null, align, boxed);
+ }
+
+ RGraph.Text(context, font, text_size, xpos, this.grapharea + this.gutterTop + this.halfTextHeight, '-' + RGraph.number_format(this, this.scale[4], units_pre, units_post), null, align, boxed);
+
+ } else if (numYLabels == 10) {
+
+ // Arbitrary number of Y labels
+ interval = (this.grapharea / numYLabels) / 2;
+
+ for (var i=0; i<numYLabels; ++i) {
+ RGraph.Text(context, font, text_size, xpos,this.gutterTop + (this.grapharea / 2) + ((this.grapharea / (numYLabels * 2)) * i) + (this.grapharea / (numYLabels * 2)),RGraph.number_format(this, ((this.scale[4] / numYLabels) * (i+1)).toFixed((this.Get('chart.scale.decimals'))), '-' + units_pre, units_post),'center', align, boxed);
+ }
+ }
+
+
+
+ /**
+ * Show the minimum value if its not zero
+ */
+ if (this.Get('chart.ymin') != 0) {
+ RGraph.Text(context,
+ font,
+ text_size,
+ xpos,
+ this.gutterTop + (this.grapharea / 2),
+ RGraph.number_format(this,(this.min.toFixed((this.Get('chart.scale.decimals')))), units_pre, units_post),
+ 'center',
+ align,
+ boxed);
+ }
+ }
+ }
+
+ /**
+ * Draws the X axdis at the bottom (the default)
+ */
+ RGraph.Bar.prototype.Drawlabels_bottom = function ()
+ {
+
+ this.context.beginPath();
+ this.context.fillStyle = this.Get('chart.text.color');
+ this.context.strokeStyle = 'black';
+
+ if (this.Get('chart.xaxispos') != 'center' && this.Get('chart.xaxispos') != 'top') {
+
+ var interval = (this.grapharea * (1/5) );
+ var text_size = this.Get('chart.text.size');
+ var units_pre = this.Get('chart.units.pre');
+ var units_post = this.Get('chart.units.post');
+ var context = this.context;
+ var align = this.Get('chart.yaxispos') == 'left' ? 'right' : 'left';
+ var font = this.Get('chart.text.font');
+ var numYLabels = this.Get('chart.ylabels.count');
+
+ if (this.Get('chart.ylabels.inside') == true) {
+ var xpos = this.Get('chart.yaxispos') == 'left' ? this.gutterLeft + 5 : RGraph.GetWidth(this) - this.gutterRight - 5;
+ var align = this.Get('chart.yaxispos') == 'left' ? 'left' : 'right';
+ var boxed = true;
+ } else {
+ var xpos = this.Get('chart.yaxispos') == 'left' ? this.gutterLeft - 5 : RGraph.GetWidth(this) - this.gutterRight + 5;
+ var boxed = false;
+ }
+
+ /**
+ * Draw specific Y labels here so that the local variables can be reused
+ */
+ if (this.Get('chart.ylabels.specific') && typeof(this.Get('chart.ylabels.specific')) == 'object') {
+
+ var labels = this.Get('chart.ylabels.specific');
+ var grapharea = this.canvas.height - this.gutterTop - this.gutterBottom;
+
+ for (var i=0; i<labels.length; ++i) {
+ var y = this.gutterTop + (grapharea * (i / labels.length));
+
+ RGraph.Text(context, font, text_size, xpos, y, labels[i], 'center', align, boxed);
+ }
+
+ return;
+ }
+
+ // 1 label
+ if (numYLabels == 3 || numYLabels == 5) {
+
+ RGraph.Text(context, font, text_size, xpos, this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[4], units_pre, units_post), null, align, boxed);
+
+ // 5 labels
+ if (numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, (1*interval) + this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[3], units_pre, units_post), null, align, boxed);
+ RGraph.Text(context, font, text_size, xpos, (3*interval) + this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[1], units_pre, units_post), null, align, boxed);
+ }
+
+ // 3 labels
+ if (numYLabels == 3 || numYLabels == 5) {
+ RGraph.Text(context, font, text_size, xpos, (2*interval) + this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[2], units_pre, units_post), null, align, boxed);
+ RGraph.Text(context, font, text_size, xpos, (4*interval) + this.gutterTop + this.halfTextHeight, RGraph.number_format(this, this.scale[0], units_pre, units_post), null, align, boxed);
+ }
+ }
+
+ // 10 Y labels
+ if (numYLabels == 10) {
+
+ interval = (this.grapharea / numYLabels );
+
+ for (var i=0; i<numYLabels; ++i) {
+ RGraph.Text(context, font, text_size, xpos, this.gutterTop + ((this.grapharea / numYLabels) * i), RGraph.number_format(this,((this.scale[4] / numYLabels) * (numYLabels - i)).toFixed((this.Get('chart.scale.decimals'))), units_pre, units_post), 'center', align, boxed);
+ }
+ }
+
+ /**
+ * Show the minimum value if its not zero
+ */
+ if (this.Get('chart.ymin') != 0) {
+ RGraph.Text(context,
+ font,
+ text_size,
+ xpos,
+ this.canvas.height - this.gutterBottom,
+ RGraph.number_format(this,(this.min.toFixed((this.Get('chart.scale.decimals')))), units_pre, units_post),
+ 'center',
+ align,
+ boxed);
+ }
+ }
+
+ this.context.fill();
+ this.context.stroke();
+ }
+
+
+ /**
+ * This function is used by MSIE only to manually draw the shadow
+ *
+ * @param array coords The coords for the bar
+ */
+ RGraph.Bar.prototype.DrawIEShadow = function (coords)
+ {
+ var prevFillStyle = this.context.fillStyle;
+ var offsetx = this.Get('chart.shadow.offsetx');
+ var offsety = this.Get('chart.shadow.offsety');
+
+ this.context.lineWidth = this.Get('chart.linewidth');
+ this.context.fillStyle = this.Get('chart.shadow.color');
+ this.context.beginPath();
+
+ // Draw shadow here
+ this.context.fillRect(coords[0] + offsetx, coords[1] + offsety, coords[2], coords[3]);
+
+ this.context.fill();
+
+ // Change the fillstyle back to what it was
+ this.context.fillStyle = prevFillStyle;
+ }
+
+
+ /**
+ * Not used by the class during creating the graph, but is used by event handlers
+ * to get the coordinates (if any) of the selected bar
+ *
+ * @param object e The event object
+ * @param object OPTIONAL You can pass in the bar object instead of the
+ * function getting it from the canvas
+ */
+ RGraph.Bar.prototype.getBar = function (e)
+ {
+ var canvas = e.target;
+ var obj = e.target.__object__;
+
+ if (obj.__bar__) {
+ obj = obj.__bar__;
+ }
+
+ var mouseCoords = RGraph.getMouseXY(e);
+
+ // This facilitates you being able to pass in the bar object as a parameter instead of
+ // the function getting it from the object
+ if (arguments[1]) {
+ obj = arguments[1];
+ }
+
+ /**
+ * Loop through the bars determining if the mouse is over a bar
+ */
+ for (var i=0; i<obj.coords.length; i++) {
+
+ var mouseX = mouseCoords[0];
+ var mouseY = mouseCoords[1];
+
+ var left = obj.coords[i][0];
+ var top = obj.coords[i][1];
+ var width = obj.coords[i][2];
+ var height = obj.coords[i][3];
+
+ if ( mouseX >= left
+ && mouseX <= left + width
+ && mouseY >= top
+ && mouseY <= top + height) {
+
+ return [obj, left, top, width, height, i];
+ }
+ }
+
+ return null;
+ } \ No newline at end of file