report-resources.jqplot.1.0.8.plugins.jqplot.barRenderer.js Maven / Gradle / Ivy
/**
* 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; i0) {
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 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 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 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 = [];
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