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+/**
+ * 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: $.jqplot.CategoryAxisRenderer
+ * A plugin for jqPlot to render a category style axis, with equal pixel spacing between y data values of a series.
+ *
+ * To use this renderer, include the plugin in your source
+ * > <script type="text/javascript" language="javascript" src="plugins/jqplot.categoryAxisRenderer.js"></script>
+ *
+ * and supply the appropriate options to your plot
+ *
+ * > {axes:{xaxis:{renderer:$.jqplot.CategoryAxisRenderer}}}
+ **/
+ $.jqplot.CategoryAxisRenderer = function(options) {
+ $.jqplot.LinearAxisRenderer.call(this);
+ // prop: sortMergedLabels
+ // True to sort tick labels when labels are created by merging
+ // x axis values from multiple series. That is, say you have
+ // two series like:
+ // > line1 = [[2006, 4], [2008, 9], [2009, 16]];
+ // > line2 = [[2006, 3], [2007, 7], [2008, 6]];
+ // If no label array is specified, tick labels will be collected
+ // from the x values of the series. With sortMergedLabels
+ // set to true, tick labels will be:
+ // > [2006, 2007, 2008, 2009]
+ // With sortMergedLabels set to false, tick labels will be:
+ // > [2006, 2008, 2009, 2007]
+ //
+ // Note, this property is specified on the renderOptions for the
+ // axes when creating a plot:
+ // > axes:{xaxis:{renderer:$.jqplot.CategoryAxisRenderer, rendererOptions:{sortMergedLabels:true}}}
+ this.sortMergedLabels = false;
+ };
+
+ $.jqplot.CategoryAxisRenderer.prototype = new $.jqplot.LinearAxisRenderer();
+ $.jqplot.CategoryAxisRenderer.prototype.constructor = $.jqplot.CategoryAxisRenderer;
+
+ $.jqplot.CategoryAxisRenderer.prototype.init = function(options){
+ this.groups = 1;
+ this.groupLabels = [];
+ this._groupLabels = [];
+ this._grouped = false;
+ this._barsPerGroup = null;
+ this.reverse = false;
+ // prop: tickRenderer
+ // A class of a rendering engine for creating the ticks labels displayed on the plot,
+ // See <$.jqplot.AxisTickRenderer>.
+ // this.tickRenderer = $.jqplot.AxisTickRenderer;
+ // this.labelRenderer = $.jqplot.AxisLabelRenderer;
+ $.extend(true, this, {tickOptions:{formatString:'%d'}}, options);
+ var db = this._dataBounds;
+ // Go through all the series attached to this axis and find
+ // the min/max bounds for this axis.
+ for (var i=0; i<this._series.length; i++) {
+ var s = this._series[i];
+ if (s.groups) {
+ this.groups = s.groups;
+ }
+ var d = s.data;
+
+ for (var j=0; j<d.length; j++) {
+ if (this.name == 'xaxis' || this.name == 'x2axis') {
+ if (d[j][0] < db.min || db.min == null) {
+ db.min = d[j][0];
+ }
+ if (d[j][0] > db.max || db.max == null) {
+ db.max = d[j][0];
+ }
+ }
+ else {
+ if (d[j][1] < db.min || db.min == null) {
+ db.min = d[j][1];
+ }
+ if (d[j][1] > db.max || db.max == null) {
+ db.max = d[j][1];
+ }
+ }
+ }
+ }
+
+ if (this.groupLabels.length) {
+ this.groups = this.groupLabels.length;
+ }
+ };
+
+
+ $.jqplot.CategoryAxisRenderer.prototype.createTicks = function() {
+ // we're are operating on an axis here
+ var ticks = this._ticks;
+ var userTicks = this.ticks;
+ var name = this.name;
+ // databounds were set on axis initialization.
+ var db = this._dataBounds;
+ var dim, interval;
+ var min, max;
+ var pos1, pos2;
+ var tt, i;
+
+ // if we already have ticks, use them.
+ if (userTicks.length) {
+ // adjust with blanks if we have groups
+ if (this.groups > 1 && !this._grouped) {
+ var l = userTicks.length;
+ var skip = parseInt(l/this.groups, 10);
+ var count = 0;
+ for (var i=skip; i<l; i+=skip) {
+ userTicks.splice(i+count, 0, ' ');
+ count++;
+ }
+ this._grouped = true;
+ }
+ this.min = 0.5;
+ this.max = userTicks.length + 0.5;
+ var range = this.max - this.min;
+ this.numberTicks = 2*userTicks.length + 1;
+ for (i=0; i<userTicks.length; i++){
+ tt = this.min + 2 * i * range / (this.numberTicks-1);
+ // need a marker before and after the tick
+ var t = new this.tickRenderer(this.tickOptions);
+ t.showLabel = false;
+ // t.showMark = true;
+ t.setTick(tt, this.name);
+ this._ticks.push(t);
+ var t = new this.tickRenderer(this.tickOptions);
+ t.label = userTicks[i];
+ // t.showLabel = true;
+ t.showMark = false;
+ t.showGridline = false;
+ t.setTick(tt+0.5, this.name);
+ this._ticks.push(t);
+ }
+ // now add the last tick at the end
+ var t = new this.tickRenderer(this.tickOptions);
+ t.showLabel = false;
+ // t.showMark = true;
+ t.setTick(tt+1, this.name);
+ this._ticks.push(t);
+ }
+
+ // we don't have any ticks yet, let's make some!
+ else {
+ if (name == 'xaxis' || name == 'x2axis') {
+ dim = this._plotDimensions.width;
+ }
+ else {
+ dim = this._plotDimensions.height;
+ }
+
+ // if min, max and number of ticks specified, user can't specify interval.
+ if (this.min != null && this.max != null && this.numberTicks != null) {
+ this.tickInterval = null;
+ }
+
+ // if max, min, and interval specified and interval won't fit, ignore interval.
+ if (this.min != null && this.max != null && this.tickInterval != null) {
+ if (parseInt((this.max-this.min)/this.tickInterval, 10) != (this.max-this.min)/this.tickInterval) {
+ this.tickInterval = null;
+ }
+ }
+
+ // find out how many categories are in the lines and collect labels
+ var labels = [];
+ var numcats = 0;
+ var min = 0.5;
+ var max, val;
+ var isMerged = false;
+ for (var i=0; i<this._series.length; i++) {
+ var s = this._series[i];
+ for (var j=0; j<s.data.length; j++) {
+ if (this.name == 'xaxis' || this.name == 'x2axis') {
+ val = s.data[j][0];
+ }
+ else {
+ val = s.data[j][1];
+ }
+ if ($.inArray(val, labels) == -1) {
+ isMerged = true;
+ numcats += 1;
+ labels.push(val);
+ }
+ }
+ }
+
+ if (isMerged && this.sortMergedLabels) {
+ if (typeof labels[0] == "string") {
+ labels.sort();
+ } else {
+ labels.sort(function(a,b) { return a - b; });
+ }
+ }
+
+ // keep a reference to these tick labels to use for redrawing plot (see bug #57)
+ this.ticks = labels;
+
+ // now bin the data values to the right lables.
+ for (var i=0; i<this._series.length; i++) {
+ var s = this._series[i];
+ for (var j=0; j<s.data.length; j++) {
+ if (this.name == 'xaxis' || this.name == 'x2axis') {
+ val = s.data[j][0];
+ }
+ else {
+ val = s.data[j][1];
+ }
+ // for category axis, force the values into category bins.
+ // we should have the value in the label array now.
+ var idx = $.inArray(val, labels)+1;
+ if (this.name == 'xaxis' || this.name == 'x2axis') {
+ s.data[j][0] = idx;
+ }
+ else {
+ s.data[j][1] = idx;
+ }
+ }
+ }
+
+ // adjust with blanks if we have groups
+ if (this.groups > 1 && !this._grouped) {
+ var l = labels.length;
+ var skip = parseInt(l/this.groups, 10);
+ var count = 0;
+ for (var i=skip; i<l; i+=skip+1) {
+ labels[i] = ' ';
+ }
+ this._grouped = true;
+ }
+
+ max = numcats + 0.5;
+ if (this.numberTicks == null) {
+ this.numberTicks = 2*numcats + 1;
+ }
+
+ var range = max - min;
+ this.min = min;
+ this.max = max;
+ var track = 0;
+
+ // todo: adjust this so more ticks displayed.
+ var maxVisibleTicks = parseInt(3+dim/10, 10);
+ var skip = parseInt(numcats/maxVisibleTicks, 10);
+
+ if (this.tickInterval == null) {
+
+ this.tickInterval = range / (this.numberTicks-1);
+
+ }
+ // if tickInterval is specified, we will ignore any computed maximum.
+ for (var i=0; i<this.numberTicks; i++){
+ tt = this.min + i * this.tickInterval;
+ var t = new this.tickRenderer(this.tickOptions);
+ // if even tick, it isn't a category, it's a divider
+ if (i/2 == parseInt(i/2, 10)) {
+ t.showLabel = false;
+ t.showMark = true;
+ }
+ else {
+ if (skip>0 && track<skip) {
+ t.showLabel = false;
+ track += 1;
+ }
+ else {
+ t.showLabel = true;
+ track = 0;
+ }
+ t.label = t.formatter(t.formatString, labels[(i-1)/2]);
+ t.showMark = false;
+ t.showGridline = false;
+ }
+ t.setTick(tt, this.name);
+ this._ticks.push(t);
+ }
+ }
+
+ };
+
+ // called with scope of axis
+ $.jqplot.CategoryAxisRenderer.prototype.draw = function(ctx, plot) {
+ if (this.show) {
+ // populate the axis label and value properties.
+ // createTicks is a method on the renderer, but
+ // call it within the scope of the axis.
+ this.renderer.createTicks.call(this);
+ // fill a div with axes labels in the right direction.
+ // Need to pregenerate each axis to get its bounds and
+ // position it and the labels correctly on the plot.
+ var dim=0;
+ var temp;
+ // Added for theming.
+ if (this._elem) {
+ // this._elem.empty();
+ // Memory Leaks patch
+ this._elem.emptyForce();
+ }
+
+ this._elem = this._elem || $('<div class="jqplot-axis jqplot-'+this.name+'" style="position:absolute;"></div>');
+
+ if (this.name == 'xaxis' || this.name == 'x2axis') {
+ this._elem.width(this._plotDimensions.width);
+ }
+ else {
+ this._elem.height(this._plotDimensions.height);
+ }
+
+ // create a _label object.
+ this.labelOptions.axis = this.name;
+ this._label = new this.labelRenderer(this.labelOptions);
+ if (this._label.show) {
+ var elem = this._label.draw(ctx, plot);
+ elem.appendTo(this._elem);
+ }
+
+ var t = this._ticks;
+ for (var i=0; i<t.length; i++) {
+ var tick = t[i];
+ if (tick.showLabel && (!tick.isMinorTick || this.showMinorTicks)) {
+ var elem = tick.draw(ctx, plot);
+ elem.appendTo(this._elem);
+ }
+ }
+
+ this._groupLabels = [];
+ // now make group labels
+ for (var i=0; i<this.groupLabels.length; i++)
+ {
+ var elem = $('<div style="position:absolute;" class="jqplot-'+this.name+'-groupLabel"></div>');
+ elem.html(this.groupLabels[i]);
+ this._groupLabels.push(elem);
+ elem.appendTo(this._elem);
+ }
+ }
+ return this._elem;
+ };
+
+ // called with scope of axis
+ $.jqplot.CategoryAxisRenderer.prototype.set = function() {
+ var dim = 0;
+ var temp;
+ var w = 0;
+ var h = 0;
+ var lshow = (this._label == null) ? false : this._label.show;
+ if (this.show) {
+ var t = this._ticks;
+ for (var i=0; i<t.length; i++) {
+ var tick = t[i];
+ if (tick.showLabel && (!tick.isMinorTick || this.showMinorTicks)) {
+ if (this.name == 'xaxis' || this.name == 'x2axis') {
+ temp = tick._elem.outerHeight(true);
+ }
+ else {
+ temp = tick._elem.outerWidth(true);
+ }
+ if (temp > dim) {
+ dim = temp;
+ }
+ }
+ }
+
+ var dim2 = 0;
+ for (var i=0; i<this._groupLabels.length; i++) {
+ var l = this._groupLabels[i];
+ if (this.name == 'xaxis' || this.name == 'x2axis') {
+ temp = l.outerHeight(true);
+ }
+ else {
+ temp = l.outerWidth(true);
+ }
+ if (temp > dim2) {
+ dim2 = temp;
+ }
+ }
+
+ if (lshow) {
+ w = this._label._elem.outerWidth(true);
+ h = this._label._elem.outerHeight(true);
+ }
+ if (this.name == 'xaxis') {
+ dim += dim2 + h;
+ this._elem.css({'height':dim+'px', left:'0px', bottom:'0px'});
+ }
+ else if (this.name == 'x2axis') {
+ dim += dim2 + h;
+ this._elem.css({'height':dim+'px', left:'0px', top:'0px'});
+ }
+ else if (this.name == 'yaxis') {
+ dim += dim2 + w;
+ this._elem.css({'width':dim+'px', left:'0px', top:'0px'});
+ if (lshow && this._label.constructor == $.jqplot.AxisLabelRenderer) {
+ this._label._elem.css('width', w+'px');
+ }
+ }
+ else {
+ dim += dim2 + w;
+ this._elem.css({'width':dim+'px', right:'0px', top:'0px'});
+ if (lshow && this._label.constructor == $.jqplot.AxisLabelRenderer) {
+ this._label._elem.css('width', w+'px');
+ }
+ }
+ }
+ };
+
+ // called with scope of axis
+ $.jqplot.CategoryAxisRenderer.prototype.pack = function(pos, offsets) {
+ var ticks = this._ticks;
+ var max = this.max;
+ var min = this.min;
+ var offmax = offsets.max;
+ var offmin = offsets.min;
+ var lshow = (this._label == null) ? false : this._label.show;
+ var i;
+
+ for (var p in pos) {
+ this._elem.css(p, pos[p]);
+ }
+
+ this._offsets = offsets;
+ // pixellength will be + for x axes and - for y axes becasue pixels always measured from top left.
+ var pixellength = offmax - offmin;
+ var unitlength = max - min;
+
+ if (!this.reverse) {
+ // point to unit and unit to point conversions references to Plot DOM element top left corner.
+
+ this.u2p = function(u){
+ return (u - min) * pixellength / unitlength + offmin;
+ };
+
+ this.p2u = function(p){
+ return (p - offmin) * unitlength / pixellength + min;
+ };
+
+ if (this.name == 'xaxis' || this.name == 'x2axis'){
+ this.series_u2p = function(u){
+ return (u - min) * pixellength / unitlength;
+ };
+ this.series_p2u = function(p){
+ return p * unitlength / pixellength + min;
+ };
+ }
+
+ else {
+ this.series_u2p = function(u){
+ return (u - max) * pixellength / unitlength;
+ };
+ this.series_p2u = function(p){
+ return p * unitlength / pixellength + max;
+ };
+ }
+ }
+
+ else {
+ // point to unit and unit to point conversions references to Plot DOM element top left corner.
+
+ this.u2p = function(u){
+ return offmin + (max - u) * pixellength / unitlength;
+ };
+
+ this.p2u = function(p){
+ return min + (p - offmin) * unitlength / pixellength;
+ };
+
+ if (this.name == 'xaxis' || this.name == 'x2axis'){
+ this.series_u2p = function(u){
+ return (max - u) * pixellength / unitlength;
+ };
+ this.series_p2u = function(p){
+ return p * unitlength / pixellength + max;
+ };
+ }
+
+ else {
+ this.series_u2p = function(u){
+ return (min - u) * pixellength / unitlength;
+ };
+ this.series_p2u = function(p){
+ return p * unitlength / pixellength + min;
+ };
+ }
+
+ }
+
+
+ if (this.show) {
+ if (this.name == 'xaxis' || this.name == 'x2axis') {
+ for (i=0; i<ticks.length; i++) {
+ var t = ticks[i];
+ if (t.show && t.showLabel) {
+ var shim;
+
+ if (t.constructor == $.jqplot.CanvasAxisTickRenderer && t.angle) {
+ // will need to adjust auto positioning based on which axis this is.
+ var temp = (this.name == 'xaxis') ? 1 : -1;
+ switch (t.labelPosition) {
+ case 'auto':
+ // position at end
+ if (temp * t.angle < 0) {
+ shim = -t.getWidth() + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
+ }
+ // position at start
+ else {
+ shim = -t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
+ }
+ break;
+ case 'end':
+ shim = -t.getWidth() + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
+ break;
+ case 'start':
+ shim = -t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
+ break;
+ case 'middle':
+ shim = -t.getWidth()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
+ break;
+ default:
+ shim = -t.getWidth()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
+ break;
+ }
+ }
+ else {
+ shim = -t.getWidth()/2;
+ }
+ var val = this.u2p(t.value) + shim + 'px';
+ t._elem.css('left', val);
+ t.pack();
+ }
+ }
+
+ var labeledge=['bottom', 0];
+ if (lshow) {
+ var w = this._label._elem.outerWidth(true);
+ this._label._elem.css('left', offmin + pixellength/2 - w/2 + 'px');
+ if (this.name == 'xaxis') {
+ this._label._elem.css('bottom', '0px');
+ labeledge = ['bottom', this._label._elem.outerHeight(true)];
+ }
+ else {
+ this._label._elem.css('top', '0px');
+ labeledge = ['top', this._label._elem.outerHeight(true)];
+ }
+ this._label.pack();
+ }
+
+ // draw the group labels
+ var step = parseInt(this._ticks.length/this.groups, 10) + 1;
+ for (i=0; i<this._groupLabels.length; i++) {
+ var mid = 0;
+ var count = 0;
+ for (var j=i*step; j<(i+1)*step; j++) {
+ if (j >= this._ticks.length-1) continue; // the last tick does not exist as there is no other group in order to have an empty one.
+ if (this._ticks[j]._elem && this._ticks[j].label != " ") {
+ var t = this._ticks[j]._elem;
+ var p = t.position();
+ mid += p.left + t.outerWidth(true)/2;
+ count++;
+ }
+ }
+ mid = mid/count;
+ this._groupLabels[i].css({'left':(mid - this._groupLabels[i].outerWidth(true)/2)});
+ this._groupLabels[i].css(labeledge[0], labeledge[1]);
+ }
+ }
+ else {
+ for (i=0; i<ticks.length; i++) {
+ var t = ticks[i];
+ if (t.show && t.showLabel) {
+ var shim;
+ if (t.constructor == $.jqplot.CanvasAxisTickRenderer && t.angle) {
+ // will need to adjust auto positioning based on which axis this is.
+ var temp = (this.name == 'yaxis') ? 1 : -1;
+ switch (t.labelPosition) {
+ case 'auto':
+ // position at end
+ case 'end':
+ if (temp * t.angle < 0) {
+ shim = -t._textRenderer.height * Math.cos(-t._textRenderer.angle) / 2;
+ }
+ else {
+ shim = -t.getHeight() + t._textRenderer.height * Math.cos(t._textRenderer.angle) / 2;
+ }
+ break;
+ case 'start':
+ if (t.angle > 0) {
+ shim = -t._textRenderer.height * Math.cos(-t._textRenderer.angle) / 2;
+ }
+ else {
+ shim = -t.getHeight() + t._textRenderer.height * Math.cos(t._textRenderer.angle) / 2;
+ }
+ break;
+ case 'middle':
+ // if (t.angle > 0) {
+ // shim = -t.getHeight()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
+ // }
+ // else {
+ // shim = -t.getHeight()/2 - t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
+ // }
+ shim = -t.getHeight()/2;
+ break;
+ default:
+ shim = -t.getHeight()/2;
+ break;
+ }
+ }
+ else {
+ shim = -t.getHeight()/2;
+ }
+
+ var val = this.u2p(t.value) + shim + 'px';
+ t._elem.css('top', val);
+ t.pack();
+ }
+ }
+
+ var labeledge=['left', 0];
+ if (lshow) {
+ var h = this._label._elem.outerHeight(true);
+ this._label._elem.css('top', offmax - pixellength/2 - h/2 + 'px');
+ if (this.name == 'yaxis') {
+ this._label._elem.css('left', '0px');
+ labeledge = ['left', this._label._elem.outerWidth(true)];
+ }
+ else {
+ this._label._elem.css('right', '0px');
+ labeledge = ['right', this._label._elem.outerWidth(true)];
+ }
+ this._label.pack();
+ }
+
+ // draw the group labels, position top here, do left after label position.
+ var step = parseInt(this._ticks.length/this.groups, 10) + 1; // step is one more than before as we don't want to have overlaps in loops
+ for (i=0; i<this._groupLabels.length; i++) {
+ var mid = 0;
+ var count = 0;
+ for (var j=i*step; j<(i+1)*step; j++) { // j must never reach (i+1)*step as we don't want to have overlap between loops
+ if (j >= this._ticks.length-1) continue; // the last tick does not exist as there is no other group in order to have an empty one.
+ if (this._ticks[j]._elem && this._ticks[j].label != " ") {
+ var t = this._ticks[j]._elem;
+ var p = t.position();
+ mid += p.top + t.outerHeight()/2;
+ count++;
+ }
+ }
+ mid = mid/count;
+ this._groupLabels[i].css({'top':mid - this._groupLabels[i].outerHeight()/2});
+ this._groupLabels[i].css(labeledge[0], labeledge[1]);
+
+ }
+ }
+ }
+ };
+
+
+})(jQuery);