webui-aria2/js/libs/dojox/charting/action2d/Magnify.js.uncompressed.js

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//>>built
define("dojox/charting/action2d/Magnify", ["dojo/_base/connect", "dojo/_base/declare",
"./PlotAction", "dojox/gfx/matrix",
"dojox/gfx/fx", "dojo/fx", "dojo/fx/easing"],
function(Hub, declare, PlotAction, m, gf, df, dfe){
/*=====
dojo.declare("dojox.charting.action2d.__MagnifyCtorArgs", dojox.charting.action2d.__PlotActionCtorArgs, {
// summary:
// Additional arguments for highlighting actions.
// scale: Number?
// The amount to magnify the given object to. Default is 2.
scale: 2
});
var PlotAction = dojox.charting.action2d.PlotAction;
=====*/
var DEFAULT_SCALE = 2;
return declare("dojox.charting.action2d.Magnify", PlotAction, {
// summary:
// Create an action that magnifies the object the action is applied to.
// the data description block for the widget parser
defaultParams: {
duration: 400, // duration of the action in ms
easing: dfe.backOut, // easing for the action
scale: DEFAULT_SCALE // scale of magnification
},
optionalParams: {}, // no optional parameters
constructor: function(chart, plot, kwArgs){
// summary:
// Create the magnifying action.
// chart: dojox.charting.Chart
// The chart this action belongs to.
// plot: String?
// The plot to apply the action to. If not passed, "default" is assumed.
// kwArgs: dojox.charting.action2d.__MagnifyCtorArgs?
// Optional keyword arguments for this action.
// process optional named parameters
this.scale = kwArgs && typeof kwArgs.scale == "number" ? kwArgs.scale : DEFAULT_SCALE;
this.connect();
},
process: function(o){
// summary:
// Process the action on the given object.
// o: dojox.gfx.Shape
// The object on which to process the magnifying action.
if(!o.shape || !(o.type in this.overOutEvents) ||
!("cx" in o) || !("cy" in o)){ return; }
var runName = o.run.name, index = o.index, vector = [], anim, init, scale;
if(runName in this.anim){
anim = this.anim[runName][index];
}else{
this.anim[runName] = {};
}
if(anim){
anim.action.stop(true);
}else{
this.anim[runName][index] = anim = {};
}
if(o.type == "onmouseover"){
init = m.identity;
scale = this.scale;
}else{
init = m.scaleAt(this.scale, o.cx, o.cy);
scale = 1 / this.scale;
}
var kwArgs = {
shape: o.shape,
duration: this.duration,
easing: this.easing,
transform: [
{name: "scaleAt", start: [1, o.cx, o.cy], end: [scale, o.cx, o.cy]},
init
]
};
if(o.shape){
vector.push(gf.animateTransform(kwArgs));
}
if(o.oultine){
kwArgs.shape = o.outline;
vector.push(gf.animateTransform(kwArgs));
}
if(o.shadow){
kwArgs.shape = o.shadow;
vector.push(gf.animateTransform(kwArgs));
}
if(!vector.length){
delete this.anim[runName][index];
return;
}
anim.action = df.combine(vector);
if(o.type == "onmouseout"){
Hub.connect(anim.action, "onEnd", this, function(){
if(this.anim[runName]){
delete this.anim[runName][index];
}
});
}
anim.action.play();
}
});
});