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91 lines
2.2 KiB
JavaScript
91 lines
2.2 KiB
JavaScript
dojo.provide("dojox.charting.action2d.Magnify");
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dojo.require("dojox.charting.action2d.Base");
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dojo.require("dojox.gfx.matrix");
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dojo.require("dojo.fx");
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(function(){
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var DEFAULT_SCALE = 2,
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m = dojox.gfx.matrix,
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gf = dojox.gfx.fx;
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dojo.declare("dojox.charting.action2d.Magnify", dojox.charting.action2d.Base, {
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// the data description block for the widget parser
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defaultParams: {
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duration: 400, // duration of the action in ms
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easing: dojo.fx.easing.backOut, // easing for the action
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scale: DEFAULT_SCALE // scale of magnification
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},
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optionalParams: {}, // no optional parameters
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constructor: function(chart, plot, kwArgs){
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// process optional named parameters
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this.scale = kwArgs && typeof kwArgs.scale == "number" ? kwArgs.scale : DEFAULT_SCALE;
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this.connect();
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},
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process: function(o){
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if(!o.shape || !(o.type in this.overOutEvents) ||
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!("cx" in o) || !("cy" in o)){ return; }
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var runName = o.run.name, index = o.index, vector = [], anim, init, scale;
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if(runName in this.anim){
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anim = this.anim[runName][index];
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}else{
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this.anim[runName] = {};
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}
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if(anim){
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anim.action.stop(true);
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}else{
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this.anim[runName][index] = anim = {};
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}
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if(o.type == "onmouseover"){
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init = m.identity;
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scale = this.scale;
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}else{
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init = m.scaleAt(this.scale, o.cx, o.cy);
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scale = 1 / this.scale;
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}
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var kwArgs = {
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shape: o.shape,
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duration: this.duration,
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easing: this.easing,
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transform: [
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{name: "scaleAt", start: [1, o.cx, o.cy], end: [scale, o.cx, o.cy]},
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init
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]
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};
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if(o.shape){
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vector.push(gf.animateTransform(kwArgs));
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}
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if(o.oultine){
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kwArgs.shape = o.outline;
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vector.push(gf.animateTransform(kwArgs));
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}
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if(o.shadow){
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kwArgs.shape = o.shadow;
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vector.push(gf.animateTransform(kwArgs));
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}
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if(!vector.length){
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delete this.anim[runName][index];
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return;
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}
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anim.action = dojo.fx.combine(vector);
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if(o.type == "onmouseout"){
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dojo.connect(anim.action, "onEnd", this, function(){
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if(this.anim[runName]){
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delete this.anim[runName][index];
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}
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});
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}
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anim.action.play();
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}
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});
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})(); |