mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-23 23:29:31 +01:00
1021 lines
44 KiB
JavaScript
1021 lines
44 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($) {
|
|
var objCounter = 0;
|
|
// class: $.jqplot.CanvasOverlay
|
|
$.jqplot.CanvasOverlay = function(opts){
|
|
var options = opts || {};
|
|
this.options = {
|
|
show: $.jqplot.config.enablePlugins,
|
|
deferDraw: false
|
|
};
|
|
// prop: objects
|
|
this.objects = [];
|
|
this.objectNames = [];
|
|
this.canvas = null;
|
|
this.markerRenderer = new $.jqplot.MarkerRenderer({style:'line'});
|
|
this.markerRenderer.init();
|
|
this.highlightObjectIndex = null;
|
|
if (options.objects) {
|
|
var objs = options.objects,
|
|
obj;
|
|
for (var i=0; i<objs.length; i++) {
|
|
obj = objs[i];
|
|
for (var n in obj) {
|
|
switch (n) {
|
|
case 'line':
|
|
this.addLine(obj[n]);
|
|
break;
|
|
case 'horizontalLine':
|
|
this.addHorizontalLine(obj[n]);
|
|
break;
|
|
case 'dashedHorizontalLine':
|
|
this.addDashedHorizontalLine(obj[n]);
|
|
break;
|
|
case 'verticalLine':
|
|
this.addVerticalLine(obj[n]);
|
|
break;
|
|
case 'dashedVerticalLine':
|
|
this.addDashedVerticalLine(obj[n]);
|
|
break;
|
|
case 'rectangle':
|
|
this.addRectangle(obj[n]);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$.extend(true, this.options, options);
|
|
};
|
|
|
|
// called with scope of a plot object
|
|
$.jqplot.CanvasOverlay.postPlotInit = function (target, data, opts) {
|
|
var options = opts || {};
|
|
// add a canvasOverlay attribute to the plot
|
|
this.plugins.canvasOverlay = new $.jqplot.CanvasOverlay(options.canvasOverlay);
|
|
};
|
|
|
|
|
|
function LineBase() {
|
|
this.uid = null;
|
|
this.type = null;
|
|
this.gridStart = null;
|
|
this.gridStop = null;
|
|
this.tooltipWidthFactor = 0;
|
|
this.options = {
|
|
// prop: name
|
|
// Optional name for the overlay object.
|
|
// Can be later used to retrieve the object by name.
|
|
name: null,
|
|
// prop: show
|
|
// true to show (draw), false to not draw.
|
|
show: true,
|
|
// prop: lineWidth
|
|
// Width of the line.
|
|
lineWidth: 2,
|
|
// prop: lineCap
|
|
// Type of ending placed on the line ['round', 'butt', 'square']
|
|
lineCap: 'round',
|
|
// prop: color
|
|
// color of the line
|
|
color: '#666666',
|
|
// prop: shadow
|
|
// whether or not to draw a shadow on the line
|
|
shadow: true,
|
|
// prop: shadowAngle
|
|
// Shadow angle in degrees
|
|
shadowAngle: 45,
|
|
// prop: shadowOffset
|
|
// Shadow offset from line in pixels
|
|
shadowOffset: 1,
|
|
// prop: shadowDepth
|
|
// Number of times shadow is stroked, each stroke offset shadowOffset from the last.
|
|
shadowDepth: 3,
|
|
// prop: shadowAlpha
|
|
// Alpha channel transparency of shadow. 0 = transparent.
|
|
shadowAlpha: '0.07',
|
|
// prop: xaxis
|
|
// X axis to use for positioning/scaling the line.
|
|
xaxis: 'xaxis',
|
|
// prop: yaxis
|
|
// Y axis to use for positioning/scaling the line.
|
|
yaxis: 'yaxis',
|
|
// prop: showTooltip
|
|
// Show a tooltip with data point values.
|
|
showTooltip: false,
|
|
// prop: showTooltipPrecision
|
|
// Controls how close to line cursor must be to show tooltip.
|
|
// Higher number = closer to line, lower number = farther from line.
|
|
// 1.0 = cursor must be over line.
|
|
showTooltipPrecision: 0.6,
|
|
// prop: tooltipLocation
|
|
// Where to position tooltip, 'n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'
|
|
tooltipLocation: 'nw',
|
|
// prop: fadeTooltip
|
|
// true = fade in/out tooltip, flase = show/hide tooltip
|
|
fadeTooltip: true,
|
|
// prop: tooltipFadeSpeed
|
|
// 'slow', 'def', 'fast', or number of milliseconds.
|
|
tooltipFadeSpeed: "fast",
|
|
// prop: tooltipOffset
|
|
// Pixel offset of tooltip from the highlight.
|
|
tooltipOffset: 4,
|
|
// prop: tooltipFormatString
|
|
// Format string passed the x and y values of the cursor on the line.
|
|
// e.g., 'Dogs: %.2f, Cats: %d'.
|
|
tooltipFormatString: '%d, %d'
|
|
};
|
|
}
|
|
|
|
|
|
function Rectangle(options) {
|
|
LineBase.call(this);
|
|
this.type = 'rectangle';
|
|
var opts = {
|
|
// prop: xmin
|
|
// x value for the start of the line, null to scale to axis min.
|
|
xmin: null,
|
|
// prop: xmax
|
|
// x value for the end of the line, null to scale to axis max.
|
|
xmax: null,
|
|
// prop xOffset
|
|
// offset ends of the line inside the grid. Number
|
|
xOffset: '6px', // number or string. Number interpreted as units, string as pixels.
|
|
xminOffset: null,
|
|
xmaxOffset: null,
|
|
|
|
ymin: null,
|
|
ymax: null,
|
|
yOffset: '6px', // number or string. Number interpreted as units, string as pixels.
|
|
yminOffset: null,
|
|
ymaxOffset: null
|
|
};
|
|
$.extend(true, this.options, opts, options);
|
|
|
|
if (this.options.showTooltipPrecision < 0.01) {
|
|
this.options.showTooltipPrecision = 0.01;
|
|
}
|
|
}
|
|
|
|
Rectangle.prototype = new LineBase();
|
|
Rectangle.prototype.constructor = Rectangle;
|
|
|
|
|
|
/**
|
|
* Class: Line
|
|
* A straight line.
|
|
*/
|
|
function Line(options) {
|
|
LineBase.call(this);
|
|
this.type = 'line';
|
|
var opts = {
|
|
// prop: start
|
|
// [x, y] coordinates for the start of the line.
|
|
start: [],
|
|
// prop: stop
|
|
// [x, y] coordinates for the end of the line.
|
|
stop: []
|
|
};
|
|
$.extend(true, this.options, opts, options);
|
|
|
|
if (this.options.showTooltipPrecision < 0.01) {
|
|
this.options.showTooltipPrecision = 0.01;
|
|
}
|
|
}
|
|
|
|
Line.prototype = new LineBase();
|
|
Line.prototype.constructor = Line;
|
|
|
|
|
|
/**
|
|
* Class: HorizontalLine
|
|
* A straight horizontal line.
|
|
*/
|
|
function HorizontalLine(options) {
|
|
LineBase.call(this);
|
|
this.type = 'horizontalLine';
|
|
var opts = {
|
|
// prop: y
|
|
// y value to position the line
|
|
y: null,
|
|
// prop: xmin
|
|
// x value for the start of the line, null to scale to axis min.
|
|
xmin: null,
|
|
// prop: xmax
|
|
// x value for the end of the line, null to scale to axis max.
|
|
xmax: null,
|
|
// prop xOffset
|
|
// offset ends of the line inside the grid. Number
|
|
xOffset: '6px', // number or string. Number interpreted as units, string as pixels.
|
|
xminOffset: null,
|
|
xmaxOffset: null
|
|
};
|
|
$.extend(true, this.options, opts, options);
|
|
|
|
if (this.options.showTooltipPrecision < 0.01) {
|
|
this.options.showTooltipPrecision = 0.01;
|
|
}
|
|
}
|
|
|
|
HorizontalLine.prototype = new LineBase();
|
|
HorizontalLine.prototype.constructor = HorizontalLine;
|
|
|
|
|
|
/**
|
|
* Class: DashedHorizontalLine
|
|
* A straight dashed horizontal line.
|
|
*/
|
|
function DashedHorizontalLine(options) {
|
|
LineBase.call(this);
|
|
this.type = 'dashedHorizontalLine';
|
|
var opts = {
|
|
y: null,
|
|
xmin: null,
|
|
xmax: null,
|
|
xOffset: '6px', // number or string. Number interpreted as units, string as pixels.
|
|
xminOffset: null,
|
|
xmaxOffset: null,
|
|
// prop: dashPattern
|
|
// Array of line, space settings in pixels.
|
|
// Default is 8 pixel of line, 8 pixel of space.
|
|
// Note, limit to a 2 element array b/c of bug with higher order arrays.
|
|
dashPattern: [8,8]
|
|
};
|
|
$.extend(true, this.options, opts, options);
|
|
|
|
if (this.options.showTooltipPrecision < 0.01) {
|
|
this.options.showTooltipPrecision = 0.01;
|
|
}
|
|
}
|
|
|
|
DashedHorizontalLine.prototype = new LineBase();
|
|
DashedHorizontalLine.prototype.constructor = DashedHorizontalLine;
|
|
|
|
|
|
/**
|
|
* Class: VerticalLine
|
|
* A straight vertical line.
|
|
*/
|
|
function VerticalLine(options) {
|
|
LineBase.call(this);
|
|
this.type = 'verticalLine';
|
|
var opts = {
|
|
x: null,
|
|
ymin: null,
|
|
ymax: null,
|
|
yOffset: '6px', // number or string. Number interpreted as units, string as pixels.
|
|
yminOffset: null,
|
|
ymaxOffset: null
|
|
};
|
|
$.extend(true, this.options, opts, options);
|
|
|
|
if (this.options.showTooltipPrecision < 0.01) {
|
|
this.options.showTooltipPrecision = 0.01;
|
|
}
|
|
}
|
|
|
|
VerticalLine.prototype = new LineBase();
|
|
VerticalLine.prototype.constructor = VerticalLine;
|
|
|
|
|
|
/**
|
|
* Class: DashedVerticalLine
|
|
* A straight dashed vertical line.
|
|
*/
|
|
function DashedVerticalLine(options) {
|
|
LineBase.call(this);
|
|
this.type = 'dashedVerticalLine';
|
|
this.start = null;
|
|
this.stop = null;
|
|
var opts = {
|
|
x: null,
|
|
ymin: null,
|
|
ymax: null,
|
|
yOffset: '6px', // number or string. Number interpreted as units, string as pixels.
|
|
yminOffset: null,
|
|
ymaxOffset: null,
|
|
// prop: dashPattern
|
|
// Array of line, space settings in pixels.
|
|
// Default is 8 pixel of line, 8 pixel of space.
|
|
// Note, limit to a 2 element array b/c of bug with higher order arrays.
|
|
dashPattern: [8,8]
|
|
};
|
|
$.extend(true, this.options, opts, options);
|
|
|
|
if (this.options.showTooltipPrecision < 0.01) {
|
|
this.options.showTooltipPrecision = 0.01;
|
|
}
|
|
}
|
|
|
|
DashedVerticalLine.prototype = new LineBase();
|
|
DashedVerticalLine.prototype.constructor = DashedVerticalLine;
|
|
|
|
$.jqplot.CanvasOverlay.prototype.addLine = function(opts) {
|
|
var line = new Line(opts);
|
|
line.uid = objCounter++;
|
|
this.objects.push(line);
|
|
this.objectNames.push(line.options.name);
|
|
};
|
|
|
|
$.jqplot.CanvasOverlay.prototype.addHorizontalLine = function(opts) {
|
|
var line = new HorizontalLine(opts);
|
|
line.uid = objCounter++;
|
|
this.objects.push(line);
|
|
this.objectNames.push(line.options.name);
|
|
};
|
|
|
|
$.jqplot.CanvasOverlay.prototype.addDashedHorizontalLine = function(opts) {
|
|
var line = new DashedHorizontalLine(opts);
|
|
line.uid = objCounter++;
|
|
this.objects.push(line);
|
|
this.objectNames.push(line.options.name);
|
|
};
|
|
|
|
$.jqplot.CanvasOverlay.prototype.addVerticalLine = function(opts) {
|
|
var line = new VerticalLine(opts);
|
|
line.uid = objCounter++;
|
|
this.objects.push(line);
|
|
this.objectNames.push(line.options.name);
|
|
};
|
|
|
|
$.jqplot.CanvasOverlay.prototype.addDashedVerticalLine = function(opts) {
|
|
var line = new DashedVerticalLine(opts);
|
|
line.uid = objCounter++;
|
|
this.objects.push(line);
|
|
this.objectNames.push(line.options.name);
|
|
};
|
|
|
|
$.jqplot.CanvasOverlay.prototype.addRectangle = function(opts) {
|
|
var line = new Rectangle(opts);
|
|
line.uid = objCounter++;
|
|
this.objects.push(line);
|
|
this.objectNames.push(line.options.name);
|
|
};
|
|
|
|
$.jqplot.CanvasOverlay.prototype.removeObject = function(idx) {
|
|
// check if integer, remove by index
|
|
if ($.type(idx) == 'number') {
|
|
this.objects.splice(idx, 1);
|
|
this.objectNames.splice(idx, 1);
|
|
}
|
|
// if string, remove by name
|
|
else {
|
|
var id = $.inArray(idx, this.objectNames);
|
|
if (id != -1) {
|
|
this.objects.splice(id, 1);
|
|
this.objectNames.splice(id, 1);
|
|
}
|
|
}
|
|
};
|
|
|
|
$.jqplot.CanvasOverlay.prototype.getObject = function(idx) {
|
|
// check if integer, remove by index
|
|
if ($.type(idx) == 'number') {
|
|
return this.objects[idx];
|
|
}
|
|
// if string, remove by name
|
|
else {
|
|
var id = $.inArray(idx, this.objectNames);
|
|
if (id != -1) {
|
|
return this.objects[id];
|
|
}
|
|
}
|
|
};
|
|
|
|
// Set get as alias for getObject.
|
|
$.jqplot.CanvasOverlay.prototype.get = $.jqplot.CanvasOverlay.prototype.getObject;
|
|
|
|
$.jqplot.CanvasOverlay.prototype.clear = function(plot) {
|
|
this.canvas._ctx.clearRect(0,0,this.canvas.getWidth(), this.canvas.getHeight());
|
|
};
|
|
|
|
$.jqplot.CanvasOverlay.prototype.draw = function(plot) {
|
|
var obj,
|
|
objs = this.objects,
|
|
mr = this.markerRenderer,
|
|
start,
|
|
stop;
|
|
if (this.options.show) {
|
|
this.canvas._ctx.clearRect(0,0,this.canvas.getWidth(), this.canvas.getHeight());
|
|
for (var k=0; k<objs.length; k++) {
|
|
obj = objs[k];
|
|
var opts = $.extend(true, {}, obj.options);
|
|
if (obj.options.show) {
|
|
// style and shadow properties should be set before
|
|
// every draw of marker renderer.
|
|
mr.shadow = obj.options.shadow;
|
|
obj.tooltipWidthFactor = obj.options.lineWidth / obj.options.showTooltipPrecision;
|
|
switch (obj.type) {
|
|
case 'line':
|
|
// style and shadow properties should be set before
|
|
// every draw of marker renderer.
|
|
mr.style = 'line';
|
|
opts.closePath = false;
|
|
start = [plot.axes[obj.options.xaxis].series_u2p(obj.options.start[0]), plot.axes[obj.options.yaxis].series_u2p(obj.options.start[1])];
|
|
stop = [plot.axes[obj.options.xaxis].series_u2p(obj.options.stop[0]), plot.axes[obj.options.yaxis].series_u2p(obj.options.stop[1])];
|
|
obj.gridStart = start;
|
|
obj.gridStop = stop;
|
|
mr.draw(start, stop, this.canvas._ctx, opts);
|
|
break;
|
|
case 'horizontalLine':
|
|
|
|
// style and shadow properties should be set before
|
|
// every draw of marker renderer.
|
|
if (obj.options.y != null) {
|
|
mr.style = 'line';
|
|
opts.closePath = false;
|
|
var xaxis = plot.axes[obj.options.xaxis],
|
|
xstart,
|
|
xstop,
|
|
y = plot.axes[obj.options.yaxis].series_u2p(obj.options.y),
|
|
xminoff = obj.options.xminOffset || obj.options.xOffset,
|
|
xmaxoff = obj.options.xmaxOffset || obj.options.xOffset;
|
|
if (obj.options.xmin != null) {
|
|
xstart = xaxis.series_u2p(obj.options.xmin);
|
|
}
|
|
else if (xminoff != null) {
|
|
if ($.type(xminoff) == "number") {
|
|
xstart = xaxis.series_u2p(xaxis.min + xminoff);
|
|
}
|
|
else if ($.type(xminoff) == "string") {
|
|
xstart = xaxis.series_u2p(xaxis.min) + parseFloat(xminoff);
|
|
}
|
|
}
|
|
if (obj.options.xmax != null) {
|
|
xstop = xaxis.series_u2p(obj.options.xmax);
|
|
}
|
|
else if (xmaxoff != null) {
|
|
if ($.type(xmaxoff) == "number") {
|
|
xstop = xaxis.series_u2p(xaxis.max - xmaxoff);
|
|
}
|
|
else if ($.type(xmaxoff) == "string") {
|
|
xstop = xaxis.series_u2p(xaxis.max) - parseFloat(xmaxoff);
|
|
}
|
|
}
|
|
if (xstop != null && xstart != null) {
|
|
obj.gridStart = [xstart, y];
|
|
obj.gridStop = [xstop, y];
|
|
mr.draw([xstart, y], [xstop, y], this.canvas._ctx, opts);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'dashedHorizontalLine':
|
|
|
|
var dashPat = obj.options.dashPattern;
|
|
var dashPatLen = 0;
|
|
for (var i=0; i<dashPat.length; i++) {
|
|
dashPatLen += dashPat[i];
|
|
}
|
|
|
|
// style and shadow properties should be set before
|
|
// every draw of marker renderer.
|
|
if (obj.options.y != null) {
|
|
mr.style = 'line';
|
|
opts.closePath = false;
|
|
var xaxis = plot.axes[obj.options.xaxis],
|
|
xstart,
|
|
xstop,
|
|
y = plot.axes[obj.options.yaxis].series_u2p(obj.options.y),
|
|
xminoff = obj.options.xminOffset || obj.options.xOffset,
|
|
xmaxoff = obj.options.xmaxOffset || obj.options.xOffset;
|
|
if (obj.options.xmin != null) {
|
|
xstart = xaxis.series_u2p(obj.options.xmin);
|
|
}
|
|
else if (xminoff != null) {
|
|
if ($.type(xminoff) == "number") {
|
|
xstart = xaxis.series_u2p(xaxis.min + xminoff);
|
|
}
|
|
else if ($.type(xminoff) == "string") {
|
|
xstart = xaxis.series_u2p(xaxis.min) + parseFloat(xminoff);
|
|
}
|
|
}
|
|
if (obj.options.xmax != null) {
|
|
xstop = xaxis.series_u2p(obj.options.xmax);
|
|
}
|
|
else if (xmaxoff != null) {
|
|
if ($.type(xmaxoff) == "number") {
|
|
xstop = xaxis.series_u2p(xaxis.max - xmaxoff);
|
|
}
|
|
else if ($.type(xmaxoff) == "string") {
|
|
xstop = xaxis.series_u2p(xaxis.max) - parseFloat(xmaxoff);
|
|
}
|
|
}
|
|
if (xstop != null && xstart != null) {
|
|
obj.gridStart = [xstart, y];
|
|
obj.gridStop = [xstop, y];
|
|
var numDash = Math.ceil((xstop - xstart)/dashPatLen);
|
|
var b=xstart, e;
|
|
for (var i=0; i<numDash; i++) {
|
|
for (var j=0; j<dashPat.length; j+=2) {
|
|
e = b+dashPat[j];
|
|
mr.draw([b, y], [e, y], this.canvas._ctx, opts);
|
|
b += dashPat[j];
|
|
if (j < dashPat.length-1) {
|
|
b += dashPat[j+1];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'verticalLine':
|
|
|
|
// style and shadow properties should be set before
|
|
// every draw of marker renderer.
|
|
if (obj.options.x != null) {
|
|
mr.style = 'line';
|
|
opts.closePath = false;
|
|
var yaxis = plot.axes[obj.options.yaxis],
|
|
ystart,
|
|
ystop,
|
|
x = plot.axes[obj.options.xaxis].series_u2p(obj.options.x),
|
|
yminoff = obj.options.yminOffset || obj.options.yOffset,
|
|
ymaxoff = obj.options.ymaxOffset || obj.options.yOffset;
|
|
if (obj.options.ymin != null) {
|
|
ystart = yaxis.series_u2p(obj.options.ymin);
|
|
}
|
|
else if (yminoff != null) {
|
|
if ($.type(yminoff) == "number") {
|
|
ystart = yaxis.series_u2p(yaxis.min - yminoff);
|
|
}
|
|
else if ($.type(yminoff) == "string") {
|
|
ystart = yaxis.series_u2p(yaxis.min) - parseFloat(yminoff);
|
|
}
|
|
}
|
|
if (obj.options.ymax != null) {
|
|
ystop = yaxis.series_u2p(obj.options.ymax);
|
|
}
|
|
else if (ymaxoff != null) {
|
|
if ($.type(ymaxoff) == "number") {
|
|
ystop = yaxis.series_u2p(yaxis.max + ymaxoff);
|
|
}
|
|
else if ($.type(ymaxoff) == "string") {
|
|
ystop = yaxis.series_u2p(yaxis.max) + parseFloat(ymaxoff);
|
|
}
|
|
}
|
|
if (ystop != null && ystart != null) {
|
|
obj.gridStart = [x, ystart];
|
|
obj.gridStop = [x, ystop];
|
|
mr.draw([x, ystart], [x, ystop], this.canvas._ctx, opts);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'dashedVerticalLine':
|
|
|
|
var dashPat = obj.options.dashPattern;
|
|
var dashPatLen = 0;
|
|
for (var i=0; i<dashPat.length; i++) {
|
|
dashPatLen += dashPat[i];
|
|
}
|
|
|
|
// style and shadow properties should be set before
|
|
// every draw of marker renderer.
|
|
if (obj.options.x != null) {
|
|
mr.style = 'line';
|
|
opts.closePath = false;
|
|
var yaxis = plot.axes[obj.options.yaxis],
|
|
ystart,
|
|
ystop,
|
|
x = plot.axes[obj.options.xaxis].series_u2p(obj.options.x),
|
|
yminoff = obj.options.yminOffset || obj.options.yOffset,
|
|
ymaxoff = obj.options.ymaxOffset || obj.options.yOffset;
|
|
if (obj.options.ymin != null) {
|
|
ystart = yaxis.series_u2p(obj.options.ymin);
|
|
}
|
|
else if (yminoff != null) {
|
|
if ($.type(yminoff) == "number") {
|
|
ystart = yaxis.series_u2p(yaxis.min - yminoff);
|
|
}
|
|
else if ($.type(yminoff) == "string") {
|
|
ystart = yaxis.series_u2p(yaxis.min) - parseFloat(yminoff);
|
|
}
|
|
}
|
|
if (obj.options.ymax != null) {
|
|
ystop = yaxis.series_u2p(obj.options.ymax);
|
|
}
|
|
else if (ymaxoff != null) {
|
|
if ($.type(ymaxoff) == "number") {
|
|
ystop = yaxis.series_u2p(yaxis.max + ymaxoff);
|
|
}
|
|
else if ($.type(ymaxoff) == "string") {
|
|
ystop = yaxis.series_u2p(yaxis.max) + parseFloat(ymaxoff);
|
|
}
|
|
}
|
|
|
|
|
|
if (ystop != null && ystart != null) {
|
|
obj.gridStart = [x, ystart];
|
|
obj.gridStop = [x, ystop];
|
|
var numDash = Math.ceil((ystart - ystop)/dashPatLen);
|
|
var firstDashAdjust = ((numDash * dashPatLen) - (ystart - ystop))/2.0;
|
|
var b=ystart, e, bs, es;
|
|
for (var i=0; i<numDash; i++) {
|
|
for (var j=0; j<dashPat.length; j+=2) {
|
|
e = b - dashPat[j];
|
|
if (e < ystop) {
|
|
e = ystop;
|
|
}
|
|
if (b < ystop) {
|
|
b = ystop;
|
|
}
|
|
// es = e;
|
|
// if (i == 0) {
|
|
// es += firstDashAdjust;
|
|
// }
|
|
mr.draw([x, b], [x, e], this.canvas._ctx, opts);
|
|
b -= dashPat[j];
|
|
if (j < dashPat.length-1) {
|
|
b -= dashPat[j+1];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'rectangle':
|
|
// style and shadow properties should be set before
|
|
// every draw of marker renderer.
|
|
mr.style = 'line';
|
|
opts.closePath = true;
|
|
|
|
var xaxis = plot.axes[obj.options.xaxis],
|
|
xstart,
|
|
xstop,
|
|
y = plot.axes[obj.options.yaxis].series_u2p(obj.options.y),
|
|
xminoff = obj.options.xminOffset || obj.options.xOffset,
|
|
xmaxoff = obj.options.xmaxOffset || obj.options.xOffset;
|
|
if (obj.options.xmin != null) {
|
|
xstart = xaxis.series_u2p(obj.options.xmin);
|
|
}
|
|
else if (xminoff != null) {
|
|
if ($.type(xminoff) == "number") {
|
|
xstart = xaxis.series_u2p(xaxis.min + xminoff);
|
|
}
|
|
else if ($.type(xminoff) == "string") {
|
|
xstart = xaxis.series_u2p(xaxis.min) + parseFloat(xminoff);
|
|
}
|
|
}
|
|
if (obj.options.xmax != null) {
|
|
xstop = xaxis.series_u2p(obj.options.xmax);
|
|
}
|
|
else if (xmaxoff != null) {
|
|
if ($.type(xmaxoff) == "number") {
|
|
xstop = xaxis.series_u2p(xaxis.max - xmaxoff);
|
|
}
|
|
else if ($.type(xmaxoff) == "string") {
|
|
xstop = xaxis.series_u2p(xaxis.max) - parseFloat(xmaxoff);
|
|
}
|
|
}
|
|
|
|
var yaxis = plot.axes[obj.options.yaxis],
|
|
ystart,
|
|
ystop,
|
|
x = plot.axes[obj.options.xaxis].series_u2p(obj.options.x),
|
|
yminoff = obj.options.yminOffset || obj.options.yOffset,
|
|
ymaxoff = obj.options.ymaxOffset || obj.options.yOffset;
|
|
if (obj.options.ymin != null) {
|
|
ystart = yaxis.series_u2p(obj.options.ymin);
|
|
}
|
|
else if (yminoff != null) {
|
|
if ($.type(yminoff) == "number") {
|
|
ystart = yaxis.series_u2p(yaxis.min - yminoff);
|
|
}
|
|
else if ($.type(yminoff) == "string") {
|
|
ystart = yaxis.series_u2p(yaxis.min) - parseFloat(yminoff);
|
|
}
|
|
}
|
|
if (obj.options.ymax != null) {
|
|
ystop = yaxis.series_u2p(obj.options.ymax);
|
|
}
|
|
else if (ymaxoff != null) {
|
|
if ($.type(ymaxoff) == "number") {
|
|
ystop = yaxis.series_u2p(yaxis.max + ymaxoff);
|
|
}
|
|
else if ($.type(ymaxoff) == "string") {
|
|
ystop = yaxis.series_u2p(yaxis.max) + parseFloat(ymaxoff);
|
|
}
|
|
}
|
|
|
|
|
|
if (xstop != null && xstart != null && ystop != null && ystart != null) {
|
|
obj.gridStart = [xstart, ystart];
|
|
obj.gridStop = [xstop, ystop];
|
|
|
|
this.canvas._ctx.fillStyle = obj.options.color;
|
|
this.canvas._ctx.fillRect(xstart, ystart, xstop - xstart, ystop - ystart);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
// called within context of plot
|
|
// create a canvas which we can draw on.
|
|
// insert it before the eventCanvas, so eventCanvas will still capture events.
|
|
$.jqplot.CanvasOverlay.postPlotDraw = function() {
|
|
var co = this.plugins.canvasOverlay;
|
|
// Memory Leaks patch
|
|
if (co && co.highlightCanvas) {
|
|
co.highlightCanvas.resetCanvas();
|
|
co.highlightCanvas = null;
|
|
}
|
|
co.canvas = new $.jqplot.GenericCanvas();
|
|
|
|
this.eventCanvas._elem.before(co.canvas.createElement(this._gridPadding, 'jqplot-overlayCanvas-canvas', this._plotDimensions, this));
|
|
co.canvas.setContext();
|
|
if (!co.deferDraw) {
|
|
co.draw(this);
|
|
}
|
|
|
|
var elem = document.createElement('div');
|
|
co._tooltipElem = $(elem);
|
|
elem = null;
|
|
co._tooltipElem.addClass('jqplot-canvasOverlay-tooltip');
|
|
co._tooltipElem.css({position:'absolute', display:'none'});
|
|
|
|
this.eventCanvas._elem.before(co._tooltipElem);
|
|
this.eventCanvas._elem.bind('mouseleave', { elem: co._tooltipElem }, function (ev) { ev.data.elem.hide(); });
|
|
|
|
var co = null;
|
|
};
|
|
|
|
|
|
function showTooltip(plot, obj, gridpos, datapos) {
|
|
var co = plot.plugins.canvasOverlay;
|
|
var elem = co._tooltipElem;
|
|
|
|
var opts = obj.options, x, y;
|
|
|
|
elem.html($.jqplot.sprintf(opts.tooltipFormatString, datapos[0], datapos[1]));
|
|
|
|
switch (opts.tooltipLocation) {
|
|
case 'nw':
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true) - opts.tooltipOffset;
|
|
y = gridpos[1] + plot._gridPadding.top - opts.tooltipOffset - elem.outerHeight(true);
|
|
break;
|
|
case 'n':
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true)/2;
|
|
y = gridpos[1] + plot._gridPadding.top - opts.tooltipOffset - elem.outerHeight(true);
|
|
break;
|
|
case 'ne':
|
|
x = gridpos[0] + plot._gridPadding.left + opts.tooltipOffset;
|
|
y = gridpos[1] + plot._gridPadding.top - opts.tooltipOffset - elem.outerHeight(true);
|
|
break;
|
|
case 'e':
|
|
x = gridpos[0] + plot._gridPadding.left + opts.tooltipOffset;
|
|
y = gridpos[1] + plot._gridPadding.top - elem.outerHeight(true)/2;
|
|
break;
|
|
case 'se':
|
|
x = gridpos[0] + plot._gridPadding.left + opts.tooltipOffset;
|
|
y = gridpos[1] + plot._gridPadding.top + opts.tooltipOffset;
|
|
break;
|
|
case 's':
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true)/2;
|
|
y = gridpos[1] + plot._gridPadding.top + opts.tooltipOffset;
|
|
break;
|
|
case 'sw':
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true) - opts.tooltipOffset;
|
|
y = gridpos[1] + plot._gridPadding.top + opts.tooltipOffset;
|
|
break;
|
|
case 'w':
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true) - opts.tooltipOffset;
|
|
y = gridpos[1] + plot._gridPadding.top - elem.outerHeight(true)/2;
|
|
break;
|
|
default: // same as 'nw'
|
|
x = gridpos[0] + plot._gridPadding.left - elem.outerWidth(true) - opts.tooltipOffset;
|
|
y = gridpos[1] + plot._gridPadding.top - opts.tooltipOffset - elem.outerHeight(true);
|
|
break;
|
|
}
|
|
|
|
elem.css('left', x);
|
|
elem.css('top', y);
|
|
if (opts.fadeTooltip) {
|
|
// Fix for stacked up animations. Thnanks Trevor!
|
|
elem.stop(true,true).fadeIn(opts.tooltipFadeSpeed);
|
|
}
|
|
else {
|
|
elem.show();
|
|
}
|
|
elem = null;
|
|
}
|
|
|
|
|
|
function isNearLine(point, lstart, lstop, width) {
|
|
// r is point to test, p and q are end points.
|
|
var rx = point[0];
|
|
var ry = point[1];
|
|
var px = Math.round(lstop[0]);
|
|
var py = Math.round(lstop[1]);
|
|
var qx = Math.round(lstart[0]);
|
|
var qy = Math.round(lstart[1]);
|
|
|
|
var l = Math.sqrt(Math.pow(px-qx, 2) + Math.pow(py-qy, 2));
|
|
|
|
// scale error term by length of line.
|
|
var eps = width*l;
|
|
var res = Math.abs((qx-px) * (ry-py) - (qy-py) * (rx-px));
|
|
var ret = (res < eps) ? true : false;
|
|
return ret;
|
|
}
|
|
|
|
function isNearRectangle(point, lstart, lstop, width) {
|
|
// r is point to test, p and q are end points.
|
|
var rx = point[0];
|
|
var ry = point[1];
|
|
var px = Math.round(lstop[0]);
|
|
var py = Math.round(lstop[1]);
|
|
var qx = Math.round(lstart[0]);
|
|
var qy = Math.round(lstart[1]);
|
|
|
|
var temp;
|
|
if (px > qx) { temp = px; px = qx; qx = temp; }
|
|
if (py > qy) { temp = py; py = qy; qy = temp; }
|
|
|
|
var ret = (rx >= px && rx <= qx && ry >= py && ry <= qy);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
function handleMove(ev, gridpos, datapos, neighbor, plot) {
|
|
var co = plot.plugins.canvasOverlay;
|
|
var objs = co.objects;
|
|
var l = objs.length;
|
|
var obj, haveHighlight=false;
|
|
var elem;
|
|
for (var i=0; i<l; i++) {
|
|
obj = objs[i];
|
|
if (obj.options.showTooltip) {
|
|
var n;
|
|
if (obj.type === 'rectangle') {
|
|
n = isNearRectangle([gridpos.x, gridpos.y], obj.gridStart, obj.gridStop, obj.tooltipWidthFactor);
|
|
} else {
|
|
n = isNearLine([gridpos.x, gridpos.y], obj.gridStart, obj.gridStop, obj.tooltipWidthFactor);
|
|
}
|
|
datapos = [plot.axes[obj.options.xaxis].series_p2u(gridpos.x), plot.axes[obj.options.yaxis].series_p2u(gridpos.y)];
|
|
|
|
// cases:
|
|
// near line, no highlighting
|
|
// near line, highliting on this line
|
|
// near line, highlighting another line
|
|
// not near any line, highlighting
|
|
// not near any line, no highlighting
|
|
|
|
// near line, not currently highlighting
|
|
if (n && co.highlightObjectIndex == null) {
|
|
switch (obj.type) {
|
|
case 'line':
|
|
showTooltip(plot, obj, [gridpos.x, gridpos.y], datapos);
|
|
break;
|
|
|
|
case 'horizontalLine':
|
|
case 'dashedHorizontalLine':
|
|
showTooltip(plot, obj, [gridpos.x, obj.gridStart[1]], [datapos[0], obj.options.y]);
|
|
break;
|
|
|
|
case 'verticalLine':
|
|
case 'dashedVerticalLine':
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
|
break;
|
|
|
|
case 'rectangle':
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
co.highlightObjectIndex = i;
|
|
haveHighlight = true;
|
|
break;
|
|
}
|
|
|
|
// near line, highlighting another line.
|
|
else if (n && co.highlightObjectIndex !== i) {
|
|
// turn off tooltip.
|
|
elem = co._tooltipElem;
|
|
if (obj.fadeTooltip) {
|
|
elem.fadeOut(obj.tooltipFadeSpeed);
|
|
}
|
|
else {
|
|
elem.hide();
|
|
}
|
|
|
|
// turn on right tooltip.
|
|
switch (obj.type) {
|
|
case 'line':
|
|
showTooltip(plot, obj, [gridpos.x, gridpos.y], datapos);
|
|
break;
|
|
|
|
case 'horizontalLine':
|
|
case 'dashedHorizontalLine':
|
|
showTooltip(plot, obj, [gridpos.x, obj.gridStart[1]], [datapos[0], obj.options.y]);
|
|
break;
|
|
|
|
case 'verticalLine':
|
|
case 'dashedVerticalLine':
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
|
break;
|
|
|
|
case 'rectangle':
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
co.highlightObjectIndex = i;
|
|
haveHighlight = true;
|
|
break;
|
|
}
|
|
|
|
// near line, already highlighting this line, update
|
|
else if (n) {
|
|
switch (obj.type) {
|
|
case 'line':
|
|
showTooltip(plot, obj, [gridpos.x, gridpos.y], datapos);
|
|
break;
|
|
|
|
case 'horizontalLine':
|
|
case 'dashedHorizontalLine':
|
|
showTooltip(plot, obj, [gridpos.x, obj.gridStart[1]], [datapos[0], obj.options.y]);
|
|
break;
|
|
|
|
case 'verticalLine':
|
|
case 'dashedVerticalLine':
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
|
break;
|
|
|
|
case 'rectangle':
|
|
showTooltip(plot, obj, [obj.gridStart[0], gridpos.y], [obj.options.x, datapos[1]]);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
haveHighlight = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// check if we are highlighting and not near a line, turn it off.
|
|
if (!haveHighlight && co.highlightObjectIndex !== null) {
|
|
elem = co._tooltipElem;
|
|
obj = co.getObject(co.highlightObjectIndex);
|
|
if (obj.fadeTooltip) {
|
|
elem.fadeOut(obj.tooltipFadeSpeed);
|
|
}
|
|
else {
|
|
elem.hide();
|
|
}
|
|
co.highlightObjectIndex = null;
|
|
}
|
|
}
|
|
|
|
$.jqplot.postInitHooks.push($.jqplot.CanvasOverlay.postPlotInit);
|
|
$.jqplot.postDrawHooks.push($.jqplot.CanvasOverlay.postPlotDraw);
|
|
$.jqplot.eventListenerHooks.push(['jqplotMouseMove', handleMove]);
|
|
|
|
})(jQuery); |