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1243 lines
43 KiB
JavaScript
1243 lines
43 KiB
JavaScript
// version: 2015-11-02
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/**
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* o--------------------------------------------------------------------------------o
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* | This file is part of the RGraph package - you can learn more at: |
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* | |
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* | http://www.rgraph.net |
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* | |
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* | RGraph is dual licensed under the Open Source GPL (General Public License) |
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* | v2.0 license and a commercial license which means that you're not bound by |
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* | the terms of the GPL. The commercial license is just <20>99 (GBP) and you can |
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* | read about it here: |
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* | http://www.rgraph.net/license |
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* o--------------------------------------------------------------------------------o
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*/
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RGraph = window.RGraph || {isRGraph: true};
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/**
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* The gantt chart constructor
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*
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* @param object conf The configuration object. You can also give separate arguments if you prefer:
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* var foo = new RGraph.Gantt('cvs', [[0,50],[25,50],[50,50]]);
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*/
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RGraph.Gantt = function (conf)
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{
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/**
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* Allow for object config style
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*/
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if ( typeof conf === 'object'
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&& typeof conf.data === 'object'
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&& typeof conf.id === 'string') {
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var id = conf.id
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var canvas = document.getElementById(id);
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var data = conf.data;
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var parseConfObjectForOptions = true; // Set this so the config is parsed (at the end of the constructor)
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} else {
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var id = conf;
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var canvas = document.getElementById(id);
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var data = arguments[1];
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}
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this.id = id;
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this.canvas = canvas;
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this.context = this.canvas.getContext ? this.canvas.getContext("2d", {alpha: (typeof id === 'object' && id.alpha === false) ? false : true}) : null;
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this.canvas.__object__ = this;
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this.type = 'gantt';
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this.isRGraph = true;
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this.uid = RGraph.CreateUID();
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this.canvas.uid = this.canvas.uid ? this.canvas.uid : RGraph.CreateUID();
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this.data = data;
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this.colorsParsed = false;
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this.coordsText = [];
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this.original_colors = [];
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this.firstDraw = true; // After the first draw this will be false
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/**
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* Compatibility with older browsers
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*/
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//RGraph.OldBrowserCompat(this.context);
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// Set some defaults
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this.properties =
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{
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'chart.background.barcolor1': 'rgba(0,0,0,0)',
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'chart.background.barcolor2': 'rgba(0,0,0,0)',
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'chart.background.grid': true,
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'chart.background.grid.width': 1,
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'chart.background.grid.color': '#ddd',
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'chart.background.grid.hsize': 20,
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'chart.background.grid.vsize': 20,
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'chart.background.grid.hlines': true,
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'chart.background.grid.vlines': true,
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'chart.background.grid.border': true,
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'chart.background.grid.autofit':true,
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'chart.background.grid.autofit.align':true,
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'chart.background.grid.autofit.numhlines': 7,
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'chart.background.grid.autofit.numvlines': null,
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'chart.vbars': [],
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'chart.hbars': [],
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'chart.text.size': 12,
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'chart.text.font': 'Arial',
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'chart.text.color': 'black',
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'chart.gutter.left': 75,
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'chart.gutter.right': 25,
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'chart.gutter.top': 35,
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'chart.gutter.bottom': 25,
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'chart.labels': [],
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'chart.labels.color': null,
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'chart.labels.align': 'bottom',
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'chart.labels.inbar': null,
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'chart.labels.inbar.color': 'black',
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'chart.labels.inbar.bgcolor': null,
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'chart.labels.inbar.align': 'left',
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'chart.labels.inbar.size': 10,
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'chart.labels.inbar.font': 'Arial',
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'chart.labels.inbar.above': false,
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'chart.labels.percent': true,
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'chart.vmargin': 2,
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'chart.title': '',
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'chart.title.background': null,
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'chart.title.x': null,
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'chart.title.y': null,
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'chart.title.bold': true,
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'chart.title.font': null,
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'chart.title.yaxis': '',
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'chart.title.yaxis.bold': true,
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'chart.title.yaxis.pos': null,
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'chart.title.yaxis.color': null,
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'chart.title.yaxis.position': 'right',
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'chart.title.yaxis.x': null,
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'chart.title.yaxis.y': null,
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'chart.title.xaxis.x': null,
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'chart.title.xaxis.y': null,
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'chart.title.xaxis.bold': true,
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'chart.title.x': null,
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'chart.title.y': null,
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'chart.title.halign': null,
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'chart.title.valign': null,
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'chart.borders': true,
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'chart.defaultcolor': 'white',
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'chart.coords': [],
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'chart.tooltips': null,
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'chart.tooltips.effect': 'fade',
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'chart.tooltips.css.class': 'RGraph_tooltip',
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'chart.tooltips.highlight': true,
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'chart.tooltips.event': 'onclick',
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'chart.highlight.stroke': 'rgba(0,0,0,0)',
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'chart.highlight.fill': 'rgba(255,255,255,0.7)',
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'chart.xmin': 0,
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'chart.xmax': 0,
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'chart.contextmenu': null,
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'chart.annotatable': false,
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'chart.annotate.color': 'black',
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'chart.zoom.factor': 1.5,
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'chart.zoom.fade.in': true,
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'chart.zoom.fade.out': true,
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'chart.zoom.hdir': 'right',
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'chart.zoom.vdir': 'down',
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'chart.zoom.frames': 25,
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'chart.zoom.delay': 16.666,
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'chart.zoom.shadow': true,
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'chart.zoom.background': true,
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'chart.zoom.action': 'zoom',
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'chart.resizable': false,
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'chart.resize.handle.adjust': [0,0],
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'chart.resize.handle.background': null,
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'chart.adjustable': false,
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'chart.events.click': null,
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'chart.events.mousemove': null
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}
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/**
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* Create the dollar objects so that functions can be added to them
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*/
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if (!data) {
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alert('[GANTT] The Gantt chart event data is now supplied as the second argument to the constructor - please update your code');
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}
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// Linearize the data (DON'T use RGraph.array_linearize() here)
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for (var i=0,idx=0; i<data.length; ++i) {
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if (RGraph.is_array(this.data[i][0])) {
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for (var j=0; j<this.data[i].length; ++j) {
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this['$' + (idx++)] = {};
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}
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} else {
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this['$' + (idx++)] = {};
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}
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}
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/*
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* Translate half a pixel for antialiasing purposes - but only if it hasn't beeen
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* done already
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*/
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if (!this.canvas.__rgraph_aa_translated__) {
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this.context.translate(0.5,0.5);
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this.canvas.__rgraph_aa_translated__ = true;
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}
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// Short variable names
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var RG = RGraph,
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ca = this.canvas,
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co = ca.getContext('2d'),
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prop = this.properties,
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pa = RG.Path,
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pa2 = RG.path2,
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win = window,
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doc = document,
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ma = Math
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/**
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* "Decorate" the object with the generic effects if the effects library has been included
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*/
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if (RG.Effects && typeof RG.Effects.decorate === 'function') {
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RG.Effects.decorate(this);
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}
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/**
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* A peudo setter
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*
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* @param name string The name of the property to set
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* @param value mixed The value of the property
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*/
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this.set =
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this.Set = function (name)
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{
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var value = typeof arguments[1] === 'undefined' ? null : arguments[1];
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/**
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* the number of arguments is only one and it's an
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* object - parse it for configuration data and return.
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*/
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if (arguments.length === 1 && typeof name === 'object') {
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RG.parseObjectStyleConfig(this, name);
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return this;
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}
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/**
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* This should be done first - prepend the propertyy name with "chart." if necessary
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*/
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if (name.substr(0,6) != 'chart.') {
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name = 'chart.' + name;
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}
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// Convert uppercase letters to dot+lower case letter
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name = name.replace(/([A-Z])/g, function (str)
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{
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return '.' + String(RegExp.$1).toLowerCase();
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});
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if (name == 'chart.margin') {
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name = 'chart.vmargin'
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}
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if (name == 'chart.events') {
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alert('[GANTT] The chart.events property is deprecated - supply the events data as an argument to the constructor instead');
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this.data = value;
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}
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prop[name] = value;
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return this;
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};
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/**
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* A peudo getter
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*
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* @param name string The name of the property to get
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*/
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this.get =
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this.Get = function (name)
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{
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/**
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* This should be done first - prepend the property name with "chart." if necessary
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*/
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if (name.substr(0,6) != 'chart.') {
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name = 'chart.' + name;
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}
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// Convert uppercase letters to dot+lower case letter
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name = name.replace(/([A-Z])/g, function (str)
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{
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return '.' + String(RegExp.$1).toLowerCase()
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});
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if (name == 'chart.margin') {
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name = 'chart.vmargin'
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}
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return prop[name.toLowerCase()];
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};
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/**
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* Draws the chart
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*/
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this.draw =
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this.Draw = function ()
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{
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/**
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* Fire the onbeforedraw event
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*/
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RG.FireCustomEvent(this, 'onbeforedraw');
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/**
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* This is new in May 2011 and facilitates indiviual gutter settings,
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* eg chart.gutter.left
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*/
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this.gutterLeft = prop['chart.gutter.left'];
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this.gutterRight = prop['chart.gutter.right'];
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this.gutterTop = prop['chart.gutter.top'];
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this.gutterBottom = prop['chart.gutter.bottom'];
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/**
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* Stop this growing uncntrollably
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*/
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this.coordsText = [];
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/**
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* Parse the colors. This allows for simple gradient syntax
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*/
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if (!this.colorsParsed) {
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this.parseColors();
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// Don't want to do this again
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this.colorsParsed = true;
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}
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/**
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* Work out the graphArea
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*/
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this.graphArea = ca.width - this.gutterLeft - this.gutterRight;
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this.graphHeight = ca.height - this.gutterTop - this.gutterBottom;
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this.numEvents = this.data.length
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this.barHeight = this.graphHeight / this.numEvents;
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this.halfBarHeight = this.barHeight / 2;
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/**
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* Draw the background
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*/
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RG.background.Draw(this);
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/**
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* Draw the labels at the top
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*/
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this.drawLabels();
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/**
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* Draw the events
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*/
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this.DrawEvents();
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/**
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* Setup the context menu if required
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*/
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if (prop['chart.contextmenu']) {
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RG.ShowContext(this);
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}
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/**
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* This function enables resizing
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*/
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if (prop['chart.resizable']) {
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RG.AllowResizing(this);
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}
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/**
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* This installs the event listeners
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*/
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RG.InstallEventListeners(this);
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/**
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* Fire the onfirstdraw event
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*/
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if (this.firstDraw) {
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RG.fireCustomEvent(this, 'onfirstdraw');
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this.firstDraw = false;
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this.firstDrawFunc();
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}
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/**
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* Fire the RGraph ondraw event
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*/
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RG.FireCustomEvent(this, 'ondraw');
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return this;
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};
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/**
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* Used in chaining. Runs a function there and then - not waiting for
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* the events to fire (eg the onbeforedraw event)
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*
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* @param function func The function to execute
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*/
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this.exec = function (func)
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{
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func(this);
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return this;
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};
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/**
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* Draws the labels at the top and the left of the chart
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*/
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this.drawLabels =
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this.DrawLabels = function ()
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{
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/**
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* Draw the X labels at the top/bottom of the chart.
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*/
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var labels = prop['chart.labels'];
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var labelsColor = prop['chart.labels.color'] || prop['chart.text.color'];
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var labelSpace = (this.graphArea) / labels.length;
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var x = this.gutterLeft + (labelSpace / 2);
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var y = this.gutterTop - (prop['chart.text.size'] / 2) - 5;
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var font = prop['chart.text.font'];
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var size = prop['chart.text.size'];
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co.beginPath();
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co.fillStyle = prop['chart.text.color'];
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co.strokeStyle = 'black'
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/**
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* This facilitates chart.labels.align
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*/
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if (prop['chart.labels.align'] == 'bottom') {
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y = ca.height - this.gutterBottom + size + 2;
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}
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/**
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* Draw the horizontal labels
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*/
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for (i=0; i<labels.length; ++i) {
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RG.Text2(this,{'font': font,
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'size':size,
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'x': x + (i * labelSpace),
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'y': y,
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'text': String(labels[i]),
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'halign':'center',
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'valign':'center',
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'tag': 'labels.horizontal'
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});
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||
}
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||
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/**
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* Draw the vertical labels
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*/
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for (var i=0,len=this.data.length; i<len; ++i) {
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var ev = this.data[i];
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var x = this.gutterLeft;
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var y = this.gutterTop + this.halfBarHeight + (i * this.barHeight);
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co.fillStyle = labelsColor || prop['chart.text.color'];
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RG.Text2(this,{'font': font,
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'size':size,
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'x': x - 5,
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'y': y,
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'text': RG.is_array(ev[0]) ? (ev[0][3] ? String(ev[0][3]) : '') : (typeof ev[3] == 'string' ? ev[3] : ''),
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'halign':'right',
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'valign':'center',
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'tag': 'labels.vertical'
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||
});
|
||
}
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Draws the events to the canvas
|
||
*/
|
||
this.drawEvents =
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||
this.DrawEvents = function ()
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||
{
|
||
var events = this.data;
|
||
|
||
/**
|
||
* Reset the coords array to prevent it growing
|
||
*/
|
||
this.coords = [];
|
||
|
||
|
||
|
||
|
||
/**
|
||
* First draw the vertical bars that have been added
|
||
*/
|
||
if (prop['chart.vbars']) {
|
||
|
||
for (i=0,len=prop['chart.vbars'].length; i<len; ++i) {
|
||
|
||
// Boundary checking
|
||
if (prop['chart.vbars'][i][0] + prop['chart.vbars'][i][1] > prop['chart.xmax']) {
|
||
prop['chart.vbars'][i][1] = 364 - prop['chart.vbars'][i][0];
|
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}
|
||
|
||
var barX = this.gutterLeft + (( (prop['chart.vbars'][i][0] - prop['chart.xmin']) / (prop['chart.xmax'] - prop['chart.xmin']) ) * this.graphArea);
|
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var barY = this.gutterTop;
|
||
var width = (this.graphArea / (prop['chart.xmax'] - prop['chart.xmin']) ) * prop['chart.vbars'][i][1];
|
||
var height = ca.height - this.gutterTop - this.gutterBottom;
|
||
|
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// Right hand bounds checking
|
||
if ( (barX + width) > (ca.width - this.gutterRight) ) {
|
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width = ca.width - this.gutterRight - barX;
|
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}
|
||
|
||
co.fillStyle = prop['chart.vbars'][i][2];
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||
co.fillRect(barX, barY, width, height);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Now draw the horizontal bars
|
||
*/
|
||
if (prop['chart.hbars']) {
|
||
|
||
for (i=0,len=prop['chart.hbars'].length; i<len; ++i) {
|
||
|
||
if (prop['chart.hbars'][i]) {
|
||
|
||
var barX = this.gutterLeft,
|
||
barY = ((ca.height - this.gutterTop - this.gutterBottom) / this.data.length) * i + this.gutterTop,
|
||
width = this.graphArea,
|
||
height = this.barHeight
|
||
|
||
co.fillStyle = prop['chart.hbars'][i];
|
||
co.fillRect(barX, barY, width, height);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Draw the events
|
||
*/
|
||
var sequentialIndex = 0;
|
||
for (i=0; i<events.length; ++i) {
|
||
if (typeof(events[i][0]) == 'number') {
|
||
this.DrawSingleEvent(events[i], i, sequentialIndex++);
|
||
} else {
|
||
for (var j=0; j<events[i].length; ++j) {
|
||
this.DrawSingleEvent(events[i][j], i, sequentialIndex++);
|
||
}
|
||
}
|
||
|
||
}
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Retrieves the bar (if any) that has been click on or is hovered over
|
||
*
|
||
* @param object e The event object
|
||
*/
|
||
this.getShape =
|
||
this.getBar = function (e)
|
||
{
|
||
e = RG.FixEventObject(e);
|
||
|
||
//var canvas = e.target;
|
||
//var context = canvas.getContext('2d');
|
||
var mouseCoords = RGraph.getMouseXY(e);
|
||
var mouseX = mouseCoords[0];
|
||
var mouseY = mouseCoords[1];
|
||
|
||
/**
|
||
* Loop through the bars determining if the mouse is over a bar
|
||
*/
|
||
for (var i=0,len=this.coords.length; i<len; i++) {
|
||
|
||
var left = this.coords[i][0];
|
||
var top = this.coords[i][1];
|
||
var width = this.coords[i][2];
|
||
var height = this.coords[i][3];
|
||
|
||
if ( mouseX >= left
|
||
&& mouseX <= (left + width)
|
||
&& mouseY >= top
|
||
&& mouseY <= (top + height)
|
||
) {
|
||
|
||
var tooltip = RGraph.parseTooltipText(prop['chart.tooltips'], i);
|
||
|
||
return {0: this, 'object': this,
|
||
1: left, 'x': left,
|
||
2: top, 'y': top,
|
||
3: width, 'width': width,
|
||
4: height, 'height': height,
|
||
5: i, 'index': i,
|
||
'tooltip': tooltip};
|
||
}
|
||
}
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Draws a single event
|
||
*/
|
||
this.drawSingleEvent =
|
||
this.DrawSingleEvent = function (ev, index, sequentialIndex)
|
||
{
|
||
var min = prop['chart.xmin'];
|
||
|
||
co.beginPath();
|
||
co.strokeStyle = 'black';
|
||
co.fillStyle = ev[4] ? ev[4] : prop['chart.defaultcolor'];
|
||
|
||
var barStartX = this.gutterLeft + (((ev[0] - min) / (prop['chart.xmax'] - min)) * this.graphArea);
|
||
var barStartY = this.gutterTop + (index * this.barHeight);
|
||
var barWidth = (ev[1] / (prop['chart.xmax'] - min) ) * this.graphArea;
|
||
|
||
/**
|
||
* If the width is greater than the graph atrea, curtail it
|
||
*/
|
||
if ( (barStartX + barWidth) > (ca.width - this.gutterRight) ) {
|
||
barWidth = ca.width - this.gutterRight - barStartX;
|
||
}
|
||
|
||
/**
|
||
* Draw the actual bar storing store the coordinates
|
||
*/
|
||
this.coords.push([barStartX, barStartY + prop['chart.vmargin'], barWidth, this.barHeight - (2 * prop['chart.vmargin'])]);
|
||
|
||
// draw the border around the bar
|
||
if (prop['chart.borders'] || ev[6]) {
|
||
co.strokeStyle = typeof(ev[6]) == 'string' ? ev[6] : 'black';
|
||
co.lineWidth = (typeof(ev[7]) == 'number' ? ev[7] : 1);
|
||
co.beginPath();
|
||
co.strokeRect(barStartX, barStartY + prop['chart.vmargin'], barWidth, this.barHeight - (2 * prop['chart.vmargin']) );
|
||
}
|
||
|
||
co.beginPath();
|
||
co.fillRect(barStartX, barStartY + prop['chart.vmargin'], barWidth, this.barHeight - (2 * prop['chart.vmargin']) );
|
||
co.fill();
|
||
|
||
// Work out the completeage indicator
|
||
var complete = (ev[2] / 100) * barWidth;
|
||
|
||
// Draw the % complete indicator. If it's greater than 0
|
||
if (typeof(ev[2]) == 'number') {
|
||
co.beginPath();
|
||
co.fillStyle = ev[5] ? ev[5] : '#0c0';
|
||
co.fillRect(barStartX,
|
||
barStartY + prop['chart.vmargin'],
|
||
(ev[2] / 100) * barWidth,
|
||
this.barHeight - (2 * prop['chart.vmargin']) );
|
||
|
||
// Don't necessarily have to draw the label
|
||
if (prop['chart.labels.percent']) {
|
||
co.beginPath();
|
||
co.fillStyle = prop['chart.text.color'];
|
||
RG.Text2(this,{
|
||
'font': prop['chart.text.font'],
|
||
'size': prop['chart.text.size'],
|
||
'x': barStartX + barWidth + 5,
|
||
'y': barStartY + this.halfBarHeight,
|
||
'text': String(ev[2]) + '%',
|
||
'valign':'center',
|
||
'tag': 'labels.complete'
|
||
});
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Draw the inbar label if it's defined
|
||
*/
|
||
if (prop['chart.labels.inbar'] && prop['chart.labels.inbar'][sequentialIndex]) {
|
||
|
||
var label = String(prop['chart.labels.inbar'][sequentialIndex]);
|
||
var halign = prop['chart.labels.inbar.align'] == 'left' ? 'left' : 'center';
|
||
halign = prop['chart.labels.inbar.align'] == 'right' ? 'right' : halign;
|
||
|
||
// Work out the position of the text
|
||
if (halign == 'right') {
|
||
var x = (barStartX + barWidth) - 5;
|
||
} else if (halign == 'center') {
|
||
var x = barStartX + (barWidth / 2);
|
||
} else {
|
||
var x = barStartX + 5;
|
||
}
|
||
|
||
|
||
// Draw the labels "above" the bar
|
||
if (prop['chart.labels.inbar.above']) {
|
||
x = barStartX + barWidth + 5;
|
||
halign = 'left';
|
||
}
|
||
|
||
|
||
// Set the color
|
||
co.fillStyle = prop['chart.labels.inbar.color'];
|
||
RGraph.Text2(this,{'font':prop['chart.labels.inbar.font'],
|
||
'size':prop['chart.labels.inbar.size'],
|
||
'x': x,
|
||
'y': barStartY + this.halfBarHeight,
|
||
'text': label,
|
||
'valign':'center',
|
||
'halign':halign,
|
||
'bounding': typeof(prop['chart.labels.inbar.bgcolor']) == 'string',
|
||
'boundingFill':typeof(prop['chart.labels.inbar.bgcolor']) == 'string' ? prop['chart.labels.inbar.bgcolor'] : null,
|
||
'tag': 'labels.inbar'
|
||
});
|
||
}
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Each object type has its own Highlight() function which highlights the appropriate shape
|
||
*
|
||
* @param object shape The shape to highlight
|
||
*/
|
||
this.highlight =
|
||
this.Highlight = function (shape)
|
||
{
|
||
// Add the new highlight
|
||
RG.Highlight.Rect(this, shape);
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* The getObjectByXY() worker method. Don't call this call:
|
||
*
|
||
* RGraph.ObjectRegistry.getObjectByXY(e)
|
||
*
|
||
* @param object e The event object
|
||
*/
|
||
this.getObjectByXY = function (e)
|
||
{
|
||
var mouseXY = RG.getMouseXY(e);
|
||
|
||
if (
|
||
mouseXY[0] > this.gutterLeft
|
||
&& mouseXY[0] < (ca.width - this.gutterRight)
|
||
&& mouseXY[1] > this.gutterTop
|
||
&& mouseXY[1] < (ca.height - this.gutterBottom)
|
||
) {
|
||
|
||
return this;
|
||
}
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* This method handles the adjusting calculation for when the mouse is moved
|
||
*
|
||
* @param object e The event object
|
||
*/
|
||
this.adjusting_mousemove =
|
||
this.Adjusting_mousemove = function (e)
|
||
{
|
||
/**
|
||
* Handle adjusting for the Bar
|
||
*/
|
||
if (prop['chart.adjustable'] && RG.Registry.Get('chart.adjusting') && RG.Registry.Get('chart.adjusting').uid == this.uid) {
|
||
|
||
var bar = RG.Registry.Get('chart.adjusting.gantt');
|
||
|
||
if (bar) {
|
||
var mouseXY = RG.getMouseXY(e);
|
||
var obj = RG.Registry.Get('chart.adjusting.gantt')['object'];
|
||
var index = bar['index'];
|
||
var diff = ((mouseXY[0] - RG.Registry.Get('chart.adjusting.gantt')['mousex']) / (ca.width - obj.gutterLeft - obj.gutterRight)) * prop['chart.xmax'];
|
||
var eventStart = RG.Registry.Get('chart.adjusting.gantt')['event_start'];
|
||
var duration = RG.Registry.Get('chart.adjusting.gantt')['event_duration'];
|
||
|
||
if (bar['mode'] == 'move') {
|
||
|
||
diff = Math.round(diff);
|
||
|
||
if ( eventStart + diff >= 0
|
||
&& (eventStart + diff + obj.data[index][1]) < prop['chart.xmax']) {
|
||
|
||
obj.data[index][0] = eventStart + diff;
|
||
|
||
} else if (eventStart + diff < 0) {
|
||
obj.data[index][0] = 0;
|
||
//
|
||
} else if ((eventStart + diff + obj.data[index][1]) > prop['chart.xmax']) {
|
||
obj.data[index][0] = prop['chart.xmax'] - obj.data[index][1];
|
||
}
|
||
|
||
} else if (bar['mode'] == 'resize') {
|
||
|
||
/*
|
||
* Account for the right hand gutter. Appears to be a FF bug
|
||
*/
|
||
if (mouseXY[0] > (ca.width - obj.gutterRight)) {
|
||
mouseXY[0] = ca.width - obj.gutterRight;
|
||
}
|
||
|
||
var diff = ((mouseXY[0] - RG.Registry.Get('chart.adjusting.gantt')['mousex']) / (ca.width - obj.gutterLeft - obj.gutterRight)) * prop['chart.xmax'];
|
||
diff = Math.round(diff);
|
||
|
||
obj.data[index][1] = duration + diff;
|
||
|
||
if (obj.data[index][1] < 0) {
|
||
obj.data[index][1] = 1;
|
||
}
|
||
}
|
||
|
||
RG.resetColorsToOriginalValues(this);
|
||
|
||
//RG.Clear(ca);
|
||
RG.redrawCanvas(ca);
|
||
|
||
RG.fireCustomEvent(obj, 'onadjust');
|
||
}
|
||
}
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* This function positions a tooltip when it is displayed
|
||
*
|
||
* @param obj object The chart object
|
||
* @param int x The X coordinate specified for the tooltip
|
||
* @param int y The Y coordinate specified for the tooltip
|
||
* @param objec tooltip The tooltips DIV element
|
||
*/
|
||
this.positionTooltip = function (obj, x, y, tooltip, idx)
|
||
{
|
||
var coordX = obj.coords[tooltip.__index__][0];
|
||
var coordY = obj.coords[tooltip.__index__][1];
|
||
var coordW = obj.coords[tooltip.__index__][2];
|
||
var coordH = obj.coords[tooltip.__index__][3];
|
||
var canvasXY = RG.getCanvasXY(obj.canvas);
|
||
var gutterLeft = obj.gutterLeft;
|
||
var gutterTop = obj.gutterTop;
|
||
var width = tooltip.offsetWidth;
|
||
var height = tooltip.offsetHeight;
|
||
|
||
// Set the top position
|
||
tooltip.style.left = 0;
|
||
tooltip.style.top = canvasXY[1] + coordY - height - 7 + 'px';
|
||
|
||
// By default any overflow is hidden
|
||
tooltip.style.overflow = '';
|
||
|
||
// The arrow
|
||
var img = new Image();
|
||
img.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAFCAYAAACjKgd3AAAARUlEQVQYV2NkQAN79+797+RkhC4M5+/bd47B2dmZEVkBCgcmgcsgbAaA9GA1BCSBbhAuA/AagmwQPgMIGgIzCD0M0AMMAEFVIAa6UQgcAAAAAElFTkSuQmCC';
|
||
img.style.position = 'absolute';
|
||
img.id = '__rgraph_tooltip_pointer__';
|
||
img.style.top = (tooltip.offsetHeight - 2) + 'px';
|
||
tooltip.appendChild(img);
|
||
|
||
// Reposition the tooltip if at the edges:
|
||
|
||
// LEFT edge
|
||
if ((canvasXY[0] + coordX - (width / 2)) < 10) {
|
||
tooltip.style.left = (canvasXY[0] + coordX - (width * 0.1)) + (coordW / 2) + 'px';
|
||
img.style.left = ((width * 0.1) - 8.5) + 'px';
|
||
|
||
// RIGHT edge
|
||
} else if ((canvasXY[0] + coordX + (width / 2)) > document.body.offsetWidth) {
|
||
tooltip.style.left = canvasXY[0] + coordX - (width * 0.9) + (coordW / 2) + 'px';
|
||
img.style.left = ((width * 0.9) - 8.5) + 'px';
|
||
|
||
// Default positioning - CENTERED
|
||
} else {
|
||
tooltip.style.left = (canvasXY[0] + coordX + (coordW / 2) - (width * 0.5)) + 'px';
|
||
img.style.left = ((width * 0.5) - 8.5) + 'px';
|
||
}
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Returns the X coordinate for the given value
|
||
*
|
||
* @param number value The desired value (eg minute/hour/day etc)
|
||
*/
|
||
this.getXCoord = function (value)
|
||
{
|
||
var min = prop['chart.xmin'];
|
||
var max = prop['chart.xmax'];
|
||
var graphArea = ca.width - this.gutterLeft - this.gutterRight;
|
||
|
||
if (value > max || value < min) {
|
||
return null;
|
||
}
|
||
|
||
|
||
var x = (((value - min) / (max - min)) * graphArea) + this.gutterLeft;
|
||
|
||
return x;
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Returns the value given EITHER the event object OR a two element array containing the X/Y coords
|
||
*/
|
||
this.getValue = function (arg)
|
||
{
|
||
if (arg.length == 2) {
|
||
var mouseXY = arg;
|
||
} else {
|
||
var mouseXY = RGraph.getMouseXY(arg);
|
||
}
|
||
|
||
var mouseX = mouseXY[0];
|
||
var mouseY = mouseXY[1];
|
||
|
||
var value = (mouseX - this.gutterLeft) / (ca.width - this.gutterLeft - this.gutterRight);
|
||
value *= (prop['chart.xmax'] - prop['chart.xmin']);
|
||
|
||
// Bounds checking
|
||
if (value < prop['chart.xmin'] || value > prop['chart.xmax']) {
|
||
value = null;
|
||
}
|
||
|
||
return value;
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* This allows for easy specification of gradients. Could optimise this not to repeatedly call parseSingleColors()
|
||
*/
|
||
this.parseColors = function ()
|
||
{
|
||
// Save the original colors so that they can be restored when the canvas is reset
|
||
if (this.original_colors.length === 0) {
|
||
|
||
this.original_colors['data'] = RG.arrayClone(this.data);
|
||
|
||
|
||
this.original_colors['chart.background.barcolor1'] = RG.array_clone(prop['chart.background.barcolor1']);
|
||
this.original_colors['chart.background.barcolor2'] = RG.array_clone(prop['chart.background.barcolor2']);
|
||
this.original_colors['chart.background.grid.color'] = RG.array_clone(prop['chart.background.grid.color']);
|
||
this.original_colors['chart.defaultcolor'] = RG.array_clone(prop['chart.defaultcolor']);
|
||
this.original_colors['chart.highlight.stroke'] = RG.array_clone(prop['chart.highlight.stroke']);
|
||
this.original_colors['chart.highlight.fill'] = RG.array_clone(prop['chart.highlight.fill']);
|
||
}
|
||
|
||
|
||
|
||
|
||
/**
|
||
* this.coords can be used here as gradients are only parsed on the SECOND draw - not the first.
|
||
* A .redraw() is downe at the end of the first draw.
|
||
*/
|
||
for (var i=0,sequentialIndex=0; i<this.data.length; ++i) {
|
||
|
||
if (typeof this.data[i][0] == 'object' && typeof this.data[i][0][0] === 'number') {
|
||
|
||
for (var j=0,len=this.data[i].length; j<len; j+=1,sequentialIndex+=1) {
|
||
this.data[i][j][4] = this.parseSingleColorForGradient(this.data[i][j][4], {start: this.data[i][j][0],duration: this.data[i][j][1]});
|
||
this.data[i][j][5] = this.parseSingleColorForGradient(this.data[i][j][5], {start: this.data[i][j][0],duration: this.data[i][j][1]});
|
||
}
|
||
|
||
} else {
|
||
|
||
if (typeof this.data[i][4] == 'string') this.data[i][4] = this.parseSingleColorForGradient(this.data[i][4], {start: this.data[i][0],duration: this.data[i][1]});
|
||
if (typeof this.data[i][5] == 'string') this.data[i][5] = this.parseSingleColorForGradient(this.data[i][5], {start: this.data[i][0],duration: this.data[i][1]});
|
||
++sequentialIndex;
|
||
}
|
||
}
|
||
|
||
prop['chart.background.barcolor1'] = this.parseSingleColorForGradient(prop['chart.background.barcolor1']);
|
||
prop['chart.background.barcolor2'] = this.parseSingleColorForGradient(prop['chart.background.barcolor2']);
|
||
prop['chart.background.grid.color'] = this.parseSingleColorForGradient(prop['chart.background.grid.color']);
|
||
prop['chart.background.color'] = this.parseSingleColorForGradient(prop['chart.background.color']);
|
||
prop['chart.defaultcolor'] = this.parseSingleColorForGradient(prop['chart.defaultcolor']);
|
||
prop['chart.highlight.stroke'] = this.parseSingleColorForGradient(prop['chart.highlight.stroke']);
|
||
prop['chart.highlight.fill'] = this.parseSingleColorForGradient(prop['chart.highlight.fill']);
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Use this function to reset the object to the post-constructor state. Eg reset colors if
|
||
* need be etc
|
||
*/
|
||
this.reset = function ()
|
||
{
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* This parses a single color value
|
||
*
|
||
* @param string color The color to parse
|
||
*/
|
||
this.parseSingleColorForGradient = function (color)
|
||
{
|
||
var opts = arguments[1] || {};
|
||
|
||
if (!color || typeof(color) != 'string') {
|
||
return color;
|
||
}
|
||
|
||
|
||
if (color.match(/^gradient\((.*)\)$/i)) {
|
||
|
||
var parts = RegExp.$1.split(':');
|
||
var value = (opts.start + opts.duration) > prop['chart.xmax'] ? prop['chart.xmax'] : (opts.start + opts.duration);
|
||
|
||
// Create the gradient
|
||
var grad = co.createLinearGradient(
|
||
typeof opts.start === 'number' ? this.getXCoord(opts.start) : this.gutterLeft,
|
||
0,
|
||
typeof opts.start === 'number' ? this.getXCoord(value) : ca.width - this.gutterRight,
|
||
0
|
||
);
|
||
|
||
var diff = 1 / (parts.length - 1);
|
||
|
||
grad.addColorStop(0, RG.trim(parts[0]));
|
||
for (var j=1; j<parts.length; ++j) {
|
||
grad.addColorStop(j * diff, RG.trim(parts[j]));
|
||
}
|
||
}
|
||
|
||
return grad ? grad : color;
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Using a function to add events makes it easier to facilitate method chaining
|
||
*
|
||
* @param string type The type of even to add
|
||
* @param function func
|
||
*/
|
||
this.on = function (type, func)
|
||
{
|
||
if (type.substr(0,2) !== 'on') {
|
||
type = 'on' + type;
|
||
}
|
||
|
||
this[type] = func;
|
||
|
||
return this;
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* This function runs once only
|
||
* (put at the end of the file (before any effects))
|
||
*/
|
||
this.firstDrawFunc = function ()
|
||
{
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Gantt chart Grow effect
|
||
*
|
||
* @param object obj Options for the grow effect
|
||
* @param function Optional callback (a function)
|
||
*/
|
||
this.grow = function ()
|
||
{
|
||
var obj = this;
|
||
var opt = arguments[0] || {};
|
||
var callback = arguments[1] ? arguments[1] : function () {};
|
||
var canvas = obj.canvas;
|
||
var context = obj.context;
|
||
var numFrames = opt.frames || 30;
|
||
var frame = 0;
|
||
|
||
var original_events = RG.arrayClone(obj.data);
|
||
|
||
function iterator ()
|
||
{
|
||
RG.clear(obj.canvas);
|
||
RG.redrawCanvas(obj.canvas);
|
||
|
||
|
||
if (frame <= numFrames) {
|
||
// Update the events
|
||
for (var i=0,len=obj.data.length; i<len; ++i) {
|
||
if (typeof obj.data[i][0] === 'object') {
|
||
for (var j=0; j<obj.data[i].length; ++j) {
|
||
obj.data[i][j][1] = (frame / numFrames) * original_events[i][j][1];
|
||
}
|
||
} else {
|
||
obj.data[i][1] = (frame / numFrames) * original_events[i][1];
|
||
}
|
||
}
|
||
|
||
obj.reset();
|
||
|
||
|
||
|
||
frame++;
|
||
|
||
RGraph.Effects.updateCanvas(iterator);
|
||
|
||
} else {
|
||
callback(obj);
|
||
}
|
||
}
|
||
|
||
iterator();
|
||
|
||
return this;
|
||
};
|
||
|
||
|
||
|
||
|
||
/**
|
||
* This helps the Gantt reset colors when the reset function is called.
|
||
* It handles going through the data and resetting the colors.
|
||
*/
|
||
this.resetColorsToOriginalValues = function ()
|
||
{
|
||
/**
|
||
* Copy the original colors over for single-event-per-line data
|
||
*/
|
||
for (var i=0; i<this.original_colors['data'].length; ++i) {
|
||
if (this.original_colors['data'][i][4]) {
|
||
this.data[i][4] = RG.arrayClone(this.original_colors['data'][i][4]);
|
||
}
|
||
|
||
if (this.original_colors['data'][i][5]) {
|
||
this.data[i][5] = RG.arrayClone(this.original_colors['data'][i][5]);
|
||
}
|
||
|
||
if (typeof this.original_colors['data'][i][0] === 'object' && typeof this.original_colors['data'][i][0][0] === 'number') {
|
||
for (var j=0,len2=this.original_colors['data'][i].length; j<len2; ++j) {
|
||
this.data[i][j][4] = RG.arrayClone(this.original_colors['data'][i][j][4]);
|
||
this.data[i][j][5] = RG.arrayClone(this.original_colors['data'][i][j][5]);
|
||
}
|
||
}
|
||
}
|
||
};
|
||
|
||
|
||
|
||
|
||
|
||
/**
|
||
* This function resets the object - clearing it of any previously gathered info
|
||
*/
|
||
this.reset = function ()
|
||
{
|
||
this.resetColorsToOriginalValues();
|
||
|
||
this.colorsParsed = false;
|
||
this.coordsText = [];
|
||
this.original_colors = [];
|
||
this.firstDraw = true;
|
||
this.coords = [];
|
||
};
|
||
|
||
|
||
|
||
RG.att(ca);
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Register the object
|
||
*/
|
||
RG.Register(this);
|
||
|
||
|
||
|
||
|
||
/**
|
||
* This is the 'end' of the constructor so if the first argument
|
||
* contains configuration data - handle that.
|
||
*/
|
||
if (parseConfObjectForOptions) {
|
||
RG.parseObjectStyleConfig(this, conf.options);
|
||
}
|
||
};
|