You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.7 KiB
JavaScript
97 lines
2.7 KiB
JavaScript
15 years ago
|
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;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
})();
|