cacert-testmgr/external/ZendFramework-1.9.5/externals/dojo/dojox/charting/action2d/MoveSlice.js

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dojo.provide("dojox.charting.action2d.MoveSlice");
dojo.require("dojox.charting.action2d.Base");
dojo.require("dojox.gfx.matrix");
dojo.require("dojox.lang.functional");
dojo.require("dojox.lang.functional.scan");
dojo.require("dojox.lang.functional.fold");
(function(){
var DEFAULT_SCALE = 1.05,
DEFAULT_SHIFT = 7, // px
m = dojox.gfx.matrix,
gf = dojox.gfx.fx,
df = dojox.lang.functional;
dojo.declare("dojox.charting.action2d.MoveSlice", dojox.charting.action2d.Base, {
// the data description block for the widget parser
defaultParams: {
duration: 400, // duration of the action in ms
easing: dojo.fx.easing.backOut, // easing for the action
scale: DEFAULT_SCALE, // scale of magnification
shift: DEFAULT_SHIFT // shift of the slice
},
optionalParams: {}, // no optional parameters
constructor: function(chart, plot, kwArgs){
// process optional named parameters
if(!kwArgs){ kwArgs = {}; }
this.scale = typeof kwArgs.scale == "number" ? kwArgs.scale : DEFAULT_SCALE;
this.shift = typeof kwArgs.shift == "number" ? kwArgs.shift : DEFAULT_SHIFT;
this.connect();
},
process: function(o){
if(!o.shape || o.element != "slice" || !(o.type in this.overOutEvents)){ return; }
if(!this.angles){
// calculate the running total of slice angles
if(typeof o.run.data[0] == "number"){
this.angles = df.map(df.scanl(o.run.data, "+", 0),
"* 2 * Math.PI / this", df.foldl(o.run.data, "+", 0));
}else{
this.angles = df.map(df.scanl(o.run.data, "a + b.y", 0),
"* 2 * Math.PI / this", df.foldl(o.run.data, "a + b.y", 0));
}
}
var index = o.index, anim, endScale, startOffset, endOffset,
angle = (this.angles[index] + this.angles[index + 1]) / 2,
rotateTo0 = m.rotateAt(-angle, o.cx, o.cy),
rotateBack = m.rotateAt( angle, o.cx, o.cy);
anim = this.anim[index];
if(anim){
anim.action.stop(true);
}else{
this.anim[index] = anim = {};
}
if(o.type == "onmouseover"){
startOffset = 0;
endOffset = this.shift;
endScale = this.scale;
}else{
startOffset = this.shift;
endOffset = 0;
endScale = 1 / this.scale;
}
anim.action = dojox.gfx.fx.animateTransform({
shape: o.shape,
duration: this.duration,
easing: this.easing,
transform: [
rotateBack,
{name: "translate", start: [startOffset, 0], end: [endOffset, 0]},
{name: "scaleAt", start: [1, o.cx, o.cy], end: [endScale, o.cx, o.cy]},
rotateTo0
]
});
if(o.type == "onmouseout"){
dojo.connect(anim.action, "onEnd", this, function(){
delete this.anim[index];
});
}
anim.action.play();
},
reset: function(){
delete this.angles;
}
});
})();