forked from extern/egroupware
801 lines
34 KiB
JavaScript
801 lines
34 KiB
JavaScript
/**
|
|
* 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.BarRenderer
|
|
// A plugin renderer for jqPlot to draw a bar plot.
|
|
// Draws series as a line.
|
|
|
|
$.jqplot.BarRenderer = function(){
|
|
$.jqplot.LineRenderer.call(this);
|
|
};
|
|
|
|
$.jqplot.BarRenderer.prototype = new $.jqplot.LineRenderer();
|
|
$.jqplot.BarRenderer.prototype.constructor = $.jqplot.BarRenderer;
|
|
|
|
// called with scope of series.
|
|
$.jqplot.BarRenderer.prototype.init = function(options, plot) {
|
|
// Group: Properties
|
|
//
|
|
// prop: barPadding
|
|
// Number of pixels between adjacent bars at the same axis value.
|
|
this.barPadding = 8;
|
|
// prop: barMargin
|
|
// Number of pixels between groups of bars at adjacent axis values.
|
|
this.barMargin = 10;
|
|
// prop: barDirection
|
|
// 'vertical' = up and down bars, 'horizontal' = side to side bars
|
|
this.barDirection = 'vertical';
|
|
// prop: barWidth
|
|
// Width of the bar in pixels (auto by devaul). null = calculated automatically.
|
|
this.barWidth = null;
|
|
// prop: shadowOffset
|
|
// offset of the shadow from the slice and offset of
|
|
// each succesive stroke of the shadow from the last.
|
|
this.shadowOffset = 2;
|
|
// prop: shadowDepth
|
|
// number of strokes to apply to the shadow,
|
|
// each stroke offset shadowOffset from the last.
|
|
this.shadowDepth = 5;
|
|
// prop: shadowAlpha
|
|
// transparency of the shadow (0 = transparent, 1 = opaque)
|
|
this.shadowAlpha = 0.08;
|
|
// prop: waterfall
|
|
// true to enable waterfall plot.
|
|
this.waterfall = false;
|
|
// prop: groups
|
|
// group bars into this many groups
|
|
this.groups = 1;
|
|
// prop: varyBarColor
|
|
// true to color each bar of a series separately rather than
|
|
// have every bar of a given series the same color.
|
|
// If used for non-stacked multiple series bar plots, user should
|
|
// specify a separate 'seriesColors' array for each series.
|
|
// Otherwise, each series will set their bars to the same color array.
|
|
// This option has no Effect for stacked bar charts and is disabled.
|
|
this.varyBarColor = false;
|
|
// prop: highlightMouseOver
|
|
// True to highlight slice when moused over.
|
|
// This must be false to enable highlightMouseDown to highlight when clicking on a slice.
|
|
this.highlightMouseOver = true;
|
|
// prop: highlightMouseDown
|
|
// True to highlight when a mouse button is pressed over a slice.
|
|
// This will be disabled if highlightMouseOver is true.
|
|
this.highlightMouseDown = false;
|
|
// prop: highlightColors
|
|
// an array of colors to use when highlighting a bar.
|
|
this.highlightColors = [];
|
|
// prop: transposedData
|
|
// NOT IMPLEMENTED YET. True if this is a horizontal bar plot and
|
|
// x and y values are "transposed". Tranposed, or "swapped", data is
|
|
// required prior to rev. 894 builds of jqPlot with horizontal bars.
|
|
// Allows backward compatability of bar renderer horizontal bars with
|
|
// old style data sets.
|
|
this.transposedData = true;
|
|
this.renderer.animation = {
|
|
show: false,
|
|
direction: 'down',
|
|
speed: 3000,
|
|
_supported: true
|
|
};
|
|
this._type = 'bar';
|
|
|
|
// if user has passed in highlightMouseDown option and not set highlightMouseOver, disable highlightMouseOver
|
|
if (options.highlightMouseDown && options.highlightMouseOver == null) {
|
|
options.highlightMouseOver = false;
|
|
}
|
|
|
|
//////
|
|
// This is probably wrong here.
|
|
// After going back and forth on whether renderer should be the thing
|
|
// or extend the thing, it seems that it it best if it is a property
|
|
// on the thing. This should be something that is commonized
|
|
// among series renderers in the future.
|
|
//////
|
|
$.extend(true, this, options);
|
|
|
|
// really should probably do this
|
|
$.extend(true, this.renderer, options);
|
|
// fill is still needed to properly draw the legend.
|
|
// bars have to be filled.
|
|
this.fill = true;
|
|
|
|
// if horizontal bar and animating, reset the default direction
|
|
if (this.barDirection === 'horizontal' && this.rendererOptions.animation && this.rendererOptions.animation.direction == null) {
|
|
this.renderer.animation.direction = 'left';
|
|
}
|
|
|
|
if (this.waterfall) {
|
|
this.fillToZero = false;
|
|
this.disableStack = true;
|
|
}
|
|
|
|
if (this.barDirection == 'vertical' ) {
|
|
this._primaryAxis = '_xaxis';
|
|
this._stackAxis = 'y';
|
|
this.fillAxis = 'y';
|
|
}
|
|
else {
|
|
this._primaryAxis = '_yaxis';
|
|
this._stackAxis = 'x';
|
|
this.fillAxis = 'x';
|
|
}
|
|
// index of the currenty highlighted point, if any
|
|
this._highlightedPoint = null;
|
|
// total number of values for all bar series, total number of bar series, and position of this series
|
|
this._plotSeriesInfo = null;
|
|
// Array of actual data colors used for each data point.
|
|
this._dataColors = [];
|
|
this._barPoints = [];
|
|
|
|
// set the shape renderer options
|
|
var opts = {lineJoin:'miter', lineCap:'round', fill:true, isarc:false, strokeStyle:this.color, fillStyle:this.color, closePath:this.fill};
|
|
this.renderer.shapeRenderer.init(opts);
|
|
// set the shadow renderer options
|
|
var sopts = {lineJoin:'miter', lineCap:'round', fill:true, isarc:false, angle:this.shadowAngle, offset:this.shadowOffset, alpha:this.shadowAlpha, depth:this.shadowDepth, closePath:this.fill};
|
|
this.renderer.shadowRenderer.init(sopts);
|
|
|
|
plot.postInitHooks.addOnce(postInit);
|
|
plot.postDrawHooks.addOnce(postPlotDraw);
|
|
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);
|
|
};
|
|
|
|
// called with scope of series
|
|
function barPreInit(target, data, seriesDefaults, options) {
|
|
if (this.rendererOptions.barDirection == 'horizontal') {
|
|
this._stackAxis = 'x';
|
|
this._primaryAxis = '_yaxis';
|
|
}
|
|
if (this.rendererOptions.waterfall == true) {
|
|
this._data = $.extend(true, [], this.data);
|
|
var sum = 0;
|
|
var pos = (!this.rendererOptions.barDirection || this.rendererOptions.barDirection === 'vertical' || this.transposedData === false) ? 1 : 0;
|
|
for(var i=0; i<this.data.length; i++) {
|
|
sum += this.data[i][pos];
|
|
if (i>0) {
|
|
this.data[i][pos] += this.data[i-1][pos];
|
|
}
|
|
}
|
|
this.data[this.data.length] = (pos == 1) ? [this.data.length+1, sum] : [sum, this.data.length+1];
|
|
this._data[this._data.length] = (pos == 1) ? [this._data.length+1, sum] : [sum, this._data.length+1];
|
|
}
|
|
if (this.rendererOptions.groups > 1) {
|
|
this.breakOnNull = true;
|
|
var l = this.data.length;
|
|
var skip = parseInt(l/this.rendererOptions.groups, 10);
|
|
var count = 0;
|
|
for (var i=skip; i<l; i+=skip) {
|
|
this.data.splice(i+count, 0, [null, null]);
|
|
this._plotData.splice(i+count, 0, [null, null]);
|
|
this._stackData.splice(i+count, 0, [null, null]);
|
|
count++;
|
|
}
|
|
for (i=0; i<this.data.length; i++) {
|
|
if (this._primaryAxis == '_xaxis') {
|
|
this.data[i][0] = i+1;
|
|
this._plotData[i][0] = i+1;
|
|
this._stackData[i][0] = i+1;
|
|
}
|
|
else {
|
|
this.data[i][1] = i+1;
|
|
this._plotData[i][1] = i+1;
|
|
this._stackData[i][1] = i+1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$.jqplot.preSeriesInitHooks.push(barPreInit);
|
|
|
|
// needs to be called with scope of series, not renderer.
|
|
$.jqplot.BarRenderer.prototype.calcSeriesNumbers = function() {
|
|
var nvals = 0;
|
|
var nseries = 0;
|
|
var paxis = this[this._primaryAxis];
|
|
var s, series, pos;
|
|
// loop through all series on this axis
|
|
for (var i=0; i < paxis._series.length; i++) {
|
|
series = paxis._series[i];
|
|
if (series === this) {
|
|
pos = i;
|
|
}
|
|
// is the series rendered as a bar?
|
|
if (series.renderer.constructor == $.jqplot.BarRenderer) {
|
|
// gridData may not be computed yet, use data length insted
|
|
nvals += series.data.length;
|
|
nseries += 1;
|
|
}
|
|
}
|
|
// return total number of values for all bar series, total number of bar series, and position of this series
|
|
return [nvals, nseries, pos];
|
|
};
|
|
|
|
$.jqplot.BarRenderer.prototype.setBarWidth = function() {
|
|
// need to know how many data values we have on the approprate axis and figure it out.
|
|
var i;
|
|
var nvals = 0;
|
|
var nseries = 0;
|
|
var paxis = this[this._primaryAxis];
|
|
var s, series, pos;
|
|
var temp = this._plotSeriesInfo = this.renderer.calcSeriesNumbers.call(this);
|
|
nvals = temp[0];
|
|
nseries = temp[1];
|
|
var nticks = paxis.numberTicks;
|
|
var nbins = (nticks-1)/2;
|
|
// so, now we have total number of axis values.
|
|
if (paxis.name == 'xaxis' || paxis.name == 'x2axis') {
|
|
if (this._stack) {
|
|
this.barWidth = (paxis._offsets.max - paxis._offsets.min) / nvals * nseries - this.barMargin;
|
|
}
|
|
else {
|
|
this.barWidth = ((paxis._offsets.max - paxis._offsets.min)/nbins - this.barPadding * (nseries-1) - this.barMargin*2)/nseries;
|
|
// this.barWidth = (paxis._offsets.max - paxis._offsets.min) / nvals - this.barPadding - this.barMargin/nseries;
|
|
}
|
|
}
|
|
else {
|
|
if (this._stack) {
|
|
this.barWidth = (paxis._offsets.min - paxis._offsets.max) / nvals * nseries - this.barMargin;
|
|
}
|
|
else {
|
|
this.barWidth = ((paxis._offsets.min - paxis._offsets.max)/nbins - this.barPadding * (nseries-1) - this.barMargin*2)/nseries;
|
|
// this.barWidth = (paxis._offsets.min - paxis._offsets.max) / nvals - this.barPadding - this.barMargin/nseries;
|
|
}
|
|
}
|
|
return [nvals, nseries];
|
|
};
|
|
|
|
function computeHighlightColors (colors) {
|
|
var ret = [];
|
|
for (var i=0; i<colors.length; i++){
|
|
var rgba = $.jqplot.getColorComponents(colors[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] + 0.3 * (255 - newrgb[j]);
|
|
newrgb[j] = parseInt(newrgb[j], 10);
|
|
}
|
|
ret.push('rgb('+newrgb[0]+','+newrgb[1]+','+newrgb[2]+')');
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
function getStart(sidx, didx, comp, plot, axis) {
|
|
// check if sign change
|
|
var seriesIndex = sidx,
|
|
prevSeriesIndex = sidx - 1,
|
|
start,
|
|
prevVal,
|
|
aidx = (axis === 'x') ? 0 : 1;
|
|
|
|
// is this not the first series?
|
|
if (seriesIndex > 0) {
|
|
prevVal = plot.series[prevSeriesIndex]._plotData[didx][aidx];
|
|
|
|
// is there a sign change
|
|
if ((comp * prevVal) < 0) {
|
|
start = getStart(prevSeriesIndex, didx, comp, plot, axis);
|
|
}
|
|
|
|
// no sign change.
|
|
else {
|
|
start = plot.series[prevSeriesIndex].gridData[didx][aidx];
|
|
}
|
|
|
|
}
|
|
|
|
// if first series, return value at 0
|
|
else {
|
|
|
|
start = (aidx === 0) ? plot.series[seriesIndex]._xaxis.series_u2p(0) : plot.series[seriesIndex]._yaxis.series_u2p(0);
|
|
}
|
|
|
|
return start;
|
|
}
|
|
|
|
|
|
$.jqplot.BarRenderer.prototype.draw = function(ctx, gridData, options, plot) {
|
|
var i;
|
|
// Ughhh, have to make a copy of options b/c it may be modified later.
|
|
var opts = $.extend({}, options);
|
|
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 xaxis = this.xaxis;
|
|
var yaxis = this.yaxis;
|
|
var xp = this._xaxis.series_u2p;
|
|
var yp = this._yaxis.series_u2p;
|
|
var pointx, pointy;
|
|
// clear out data colors.
|
|
this._dataColors = [];
|
|
this._barPoints = [];
|
|
|
|
if (this.barWidth == null) {
|
|
this.renderer.setBarWidth.call(this);
|
|
}
|
|
|
|
var temp = this._plotSeriesInfo = this.renderer.calcSeriesNumbers.call(this);
|
|
var nvals = temp[0];
|
|
var nseries = temp[1];
|
|
var pos = temp[2];
|
|
var points = [];
|
|
|
|
if (this._stack) {
|
|
this._barNudge = 0;
|
|
}
|
|
else {
|
|
this._barNudge = (-Math.abs(nseries/2 - 0.5) + pos) * (this.barWidth + this.barPadding);
|
|
}
|
|
if (showLine) {
|
|
var negativeColors = new $.jqplot.ColorGenerator(this.negativeSeriesColors);
|
|
var positiveColors = new $.jqplot.ColorGenerator(this.seriesColors);
|
|
var negativeColor = negativeColors.get(this.index);
|
|
if (! this.useNegativeColors) {
|
|
negativeColor = opts.fillStyle;
|
|
}
|
|
var positiveColor = opts.fillStyle;
|
|
var base;
|
|
var xstart;
|
|
var ystart;
|
|
|
|
if (this.barDirection == 'vertical') {
|
|
for (var i=0; i<gridData.length; i++) {
|
|
if (!this._stack && this.data[i][1] == null) {
|
|
continue;
|
|
}
|
|
points = [];
|
|
base = gridData[i][0] + this._barNudge;
|
|
|
|
// stacked
|
|
if (this._stack && this._prevGridData.length) {
|
|
ystart = getStart(this.index, i, this._plotData[i][1], plot, 'y');
|
|
}
|
|
|
|
// not stacked
|
|
else {
|
|
if (this.fillToZero) {
|
|
ystart = this._yaxis.series_u2p(0);
|
|
}
|
|
else if (this.waterfall && i > 0 && i < this.gridData.length-1) {
|
|
ystart = this.gridData[i-1][1];
|
|
}
|
|
else if (this.waterfall && i == 0 && i < this.gridData.length-1) {
|
|
if (this._yaxis.min <= 0 && this._yaxis.max >= 0) {
|
|
ystart = this._yaxis.series_u2p(0);
|
|
}
|
|
else if (this._yaxis.min > 0) {
|
|
ystart = ctx.canvas.height;
|
|
}
|
|
else {
|
|
ystart = 0;
|
|
}
|
|
}
|
|
else if (this.waterfall && i == this.gridData.length - 1) {
|
|
if (this._yaxis.min <= 0 && this._yaxis.max >= 0) {
|
|
ystart = this._yaxis.series_u2p(0);
|
|
}
|
|
else if (this._yaxis.min > 0) {
|
|
ystart = ctx.canvas.height;
|
|
}
|
|
else {
|
|
ystart = 0;
|
|
}
|
|
}
|
|
else {
|
|
ystart = ctx.canvas.height;
|
|
}
|
|
}
|
|
if ((this.fillToZero && this._plotData[i][1] < 0) || (this.waterfall && this._data[i][1] < 0)) {
|
|
if (this.varyBarColor && !this._stack) {
|
|
if (this.useNegativeColors) {
|
|
opts.fillStyle = negativeColors.next();
|
|
}
|
|
else {
|
|
opts.fillStyle = positiveColors.next();
|
|
}
|
|
}
|
|
else {
|
|
opts.fillStyle = negativeColor;
|
|
}
|
|
}
|
|
else {
|
|
if (this.varyBarColor && !this._stack) {
|
|
opts.fillStyle = positiveColors.next();
|
|
}
|
|
else {
|
|
opts.fillStyle = positiveColor;
|
|
}
|
|
}
|
|
|
|
if (!this.fillToZero || this._plotData[i][1] >= 0) {
|
|
points.push([base-this.barWidth/2, ystart]);
|
|
points.push([base-this.barWidth/2, gridData[i][1]]);
|
|
points.push([base+this.barWidth/2, gridData[i][1]]);
|
|
points.push([base+this.barWidth/2, ystart]);
|
|
}
|
|
// for negative bars make sure points are always ordered clockwise
|
|
else {
|
|
points.push([base-this.barWidth/2, gridData[i][1]]);
|
|
points.push([base-this.barWidth/2, ystart]);
|
|
points.push([base+this.barWidth/2, ystart]);
|
|
points.push([base+this.barWidth/2, gridData[i][1]]);
|
|
}
|
|
this._barPoints.push(points);
|
|
// now draw the shadows if not stacked.
|
|
// for stacked plots, they are predrawn by drawShadow
|
|
if (shadow && !this._stack) {
|
|
var sopts = $.extend(true, {}, opts);
|
|
// need to get rid of fillStyle on shadow.
|
|
delete sopts.fillStyle;
|
|
this.renderer.shadowRenderer.draw(ctx, points, sopts);
|
|
}
|
|
var clr = opts.fillStyle || this.color;
|
|
this._dataColors.push(clr);
|
|
this.renderer.shapeRenderer.draw(ctx, points, opts);
|
|
}
|
|
}
|
|
|
|
else if (this.barDirection == 'horizontal'){
|
|
for (var i=0; i<gridData.length; i++) {
|
|
if (!this._stack && this.data[i][0] == null) {
|
|
continue;
|
|
}
|
|
points = [];
|
|
base = gridData[i][1] - this._barNudge;
|
|
xstart;
|
|
|
|
if (this._stack && this._prevGridData.length) {
|
|
xstart = getStart(this.index, i, this._plotData[i][0], plot, 'x');
|
|
}
|
|
// not stacked
|
|
else {
|
|
if (this.fillToZero) {
|
|
xstart = this._xaxis.series_u2p(0);
|
|
}
|
|
else if (this.waterfall && i > 0 && i < this.gridData.length-1) {
|
|
xstart = this.gridData[i-1][0];
|
|
}
|
|
else if (this.waterfall && i == 0 && i < this.gridData.length-1) {
|
|
if (this._xaxis.min <= 0 && this._xaxis.max >= 0) {
|
|
xstart = this._xaxis.series_u2p(0);
|
|
}
|
|
else if (this._xaxis.min > 0) {
|
|
xstart = 0;
|
|
}
|
|
else {
|
|
xstart = 0;
|
|
}
|
|
}
|
|
else if (this.waterfall && i == this.gridData.length - 1) {
|
|
if (this._xaxis.min <= 0 && this._xaxis.max >= 0) {
|
|
xstart = this._xaxis.series_u2p(0);
|
|
}
|
|
else if (this._xaxis.min > 0) {
|
|
xstart = 0;
|
|
}
|
|
else {
|
|
xstart = ctx.canvas.width;
|
|
}
|
|
}
|
|
else {
|
|
xstart = 0;
|
|
}
|
|
}
|
|
if ((this.fillToZero && this._plotData[i][0] < 0) || (this.waterfall && this._data[i][0] < 0)) {
|
|
if (this.varyBarColor && !this._stack) {
|
|
if (this.useNegativeColors) {
|
|
opts.fillStyle = negativeColors.next();
|
|
}
|
|
else {
|
|
opts.fillStyle = positiveColors.next();
|
|
}
|
|
}
|
|
else {
|
|
opts.fillStyle = negativeColor;
|
|
}
|
|
}
|
|
else {
|
|
if (this.varyBarColor && !this._stack) {
|
|
opts.fillStyle = positiveColors.next();
|
|
}
|
|
else {
|
|
opts.fillStyle = positiveColor;
|
|
}
|
|
}
|
|
|
|
|
|
if (!this.fillToZero || this._plotData[i][0] >= 0) {
|
|
points.push([xstart, base + this.barWidth / 2]);
|
|
points.push([xstart, base - this.barWidth / 2]);
|
|
points.push([gridData[i][0], base - this.barWidth / 2]);
|
|
points.push([gridData[i][0], base + this.barWidth / 2]);
|
|
}
|
|
else {
|
|
points.push([gridData[i][0], base + this.barWidth / 2]);
|
|
points.push([gridData[i][0], base - this.barWidth / 2]);
|
|
points.push([xstart, base - this.barWidth / 2]);
|
|
points.push([xstart, base + this.barWidth / 2]);
|
|
}
|
|
|
|
this._barPoints.push(points);
|
|
// now draw the shadows if not stacked.
|
|
// for stacked plots, they are predrawn by drawShadow
|
|
if (shadow && !this._stack) {
|
|
var sopts = $.extend(true, {}, opts);
|
|
delete sopts.fillStyle;
|
|
this.renderer.shadowRenderer.draw(ctx, points, sopts);
|
|
}
|
|
var clr = opts.fillStyle || this.color;
|
|
this._dataColors.push(clr);
|
|
this.renderer.shapeRenderer.draw(ctx, points, opts);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this.highlightColors.length == 0) {
|
|
this.highlightColors = $.jqplot.computeHighlightColors(this._dataColors);
|
|
}
|
|
|
|
else if (typeof(this.highlightColors) == 'string') {
|
|
var temp = this.highlightColors;
|
|
this.highlightColors = [];
|
|
for (var i=0; i<this._dataColors.length; i++) {
|
|
this.highlightColors.push(temp);
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
|
|
// for stacked plots, shadows will be pre drawn by drawShadow.
|
|
$.jqplot.BarRenderer.prototype.drawShadow = function(ctx, gridData, options, plot) {
|
|
var i;
|
|
var opts = (options != undefined) ? options : {};
|
|
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 xaxis = this.xaxis;
|
|
var yaxis = this.yaxis;
|
|
var xp = this._xaxis.series_u2p;
|
|
var yp = this._yaxis.series_u2p;
|
|
var pointx, points, pointy, nvals, nseries, pos;
|
|
|
|
if (this._stack && this.shadow) {
|
|
if (this.barWidth == null) {
|
|
this.renderer.setBarWidth.call(this);
|
|
}
|
|
|
|
var temp = this._plotSeriesInfo = this.renderer.calcSeriesNumbers.call(this);
|
|
nvals = temp[0];
|
|
nseries = temp[1];
|
|
pos = temp[2];
|
|
|
|
if (this._stack) {
|
|
this._barNudge = 0;
|
|
}
|
|
else {
|
|
this._barNudge = (-Math.abs(nseries/2 - 0.5) + pos) * (this.barWidth + this.barPadding);
|
|
}
|
|
if (showLine) {
|
|
|
|
if (this.barDirection == 'vertical') {
|
|
for (var i=0; i<gridData.length; i++) {
|
|
if (this.data[i][1] == null) {
|
|
continue;
|
|
}
|
|
points = [];
|
|
var base = gridData[i][0] + this._barNudge;
|
|
var ystart;
|
|
|
|
if (this._stack && this._prevGridData.length) {
|
|
ystart = getStart(this.index, i, this._plotData[i][1], plot, 'y');
|
|
}
|
|
else {
|
|
if (this.fillToZero) {
|
|
ystart = this._yaxis.series_u2p(0);
|
|
}
|
|
else {
|
|
ystart = ctx.canvas.height;
|
|
}
|
|
}
|
|
|
|
points.push([base-this.barWidth/2, ystart]);
|
|
points.push([base-this.barWidth/2, gridData[i][1]]);
|
|
points.push([base+this.barWidth/2, gridData[i][1]]);
|
|
points.push([base+this.barWidth/2, ystart]);
|
|
this.renderer.shadowRenderer.draw(ctx, points, opts);
|
|
}
|
|
}
|
|
|
|
else if (this.barDirection == 'horizontal'){
|
|
for (var i=0; i<gridData.length; i++) {
|
|
if (this.data[i][0] == null) {
|
|
continue;
|
|
}
|
|
points = [];
|
|
var base = gridData[i][1] - this._barNudge;
|
|
var xstart;
|
|
|
|
if (this._stack && this._prevGridData.length) {
|
|
xstart = getStart(this.index, i, this._plotData[i][0], plot, 'x');
|
|
}
|
|
else {
|
|
if (this.fillToZero) {
|
|
xstart = this._xaxis.series_u2p(0);
|
|
}
|
|
else {
|
|
xstart = 0;
|
|
}
|
|
}
|
|
|
|
points.push([xstart, base+this.barWidth/2]);
|
|
points.push([gridData[i][0], base+this.barWidth/2]);
|
|
points.push([gridData[i][0], base-this.barWidth/2]);
|
|
points.push([xstart, base-this.barWidth/2]);
|
|
this.renderer.shadowRenderer.draw(ctx, points, opts);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
};
|
|
|
|
function postInit(target, data, options) {
|
|
for (var i=0; i<this.series.length; i++) {
|
|
if (this.series[i].renderer.constructor == $.jqplot.BarRenderer) {
|
|
// don't allow mouseover and mousedown at same time.
|
|
if (this.series[i].highlightMouseOver) {
|
|
this.series[i].highlightMouseDown = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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.barRenderer && this.plugins.barRenderer.highlightCanvas) {
|
|
|
|
this.plugins.barRenderer.highlightCanvas.resetCanvas();
|
|
this.plugins.barRenderer.highlightCanvas = null;
|
|
}
|
|
|
|
this.plugins.barRenderer = {highlightedSeriesIndex:null};
|
|
this.plugins.barRenderer.highlightCanvas = new $.jqplot.GenericCanvas();
|
|
|
|
this.eventCanvas._elem.before(this.plugins.barRenderer.highlightCanvas.createElement(this._gridPadding, 'jqplot-barRenderer-highlight-canvas', this._plotDimensions, this));
|
|
this.plugins.barRenderer.highlightCanvas.setContext();
|
|
this.eventCanvas._elem.bind('mouseleave', {plot:this}, function (ev) { unhighlight(ev.data.plot); });
|
|
}
|
|
|
|
function highlight (plot, sidx, pidx, points) {
|
|
var s = plot.series[sidx];
|
|
var canvas = plot.plugins.barRenderer.highlightCanvas;
|
|
canvas._ctx.clearRect(0,0,canvas._ctx.canvas.width, canvas._ctx.canvas.height);
|
|
s._highlightedPoint = pidx;
|
|
plot.plugins.barRenderer.highlightedSeriesIndex = sidx;
|
|
var opts = {fillStyle: s.highlightColors[pidx]};
|
|
s.renderer.shapeRenderer.draw(canvas._ctx, points, opts);
|
|
canvas = null;
|
|
}
|
|
|
|
function unhighlight (plot) {
|
|
var canvas = plot.plugins.barRenderer.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.barRenderer.highlightedSeriesIndex = null;
|
|
plot.target.trigger('jqplotDataUnhighlight');
|
|
canvas = null;
|
|
}
|
|
|
|
|
|
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]].show && plot.series[ins[0]].highlightMouseOver &&
|
|
!(ins[0] == plot.plugins.barRenderer.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, neighbor.seriesIndex, neighbor.pointIndex, neighbor.points);
|
|
}
|
|
}
|
|
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.barRenderer.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, neighbor.seriesIndex, neighbor.pointIndex, neighbor.points);
|
|
}
|
|
}
|
|
else if (neighbor == null) {
|
|
unhighlight (plot);
|
|
}
|
|
}
|
|
|
|
function handleMouseUp(ev, gridpos, datapos, neighbor, plot) {
|
|
var idx = plot.plugins.barRenderer.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.barRenderer.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);
|
|
}
|
|
}
|
|
|
|
|
|
})(jQuery); |