webui-aria2/js/libs/dojox/drawing/tools/Ellipse.js.uncompressed.js
2012-05-01 19:52:07 +08:00

84 lines
1.9 KiB
JavaScript

//>>built
// wrapped by build app
define("dojox/drawing/tools/Ellipse", ["dijit","dojo","dojox"], function(dijit,dojo,dojox){
dojo.provide("dojox.drawing.tools.Ellipse");
dojox.drawing.tools.Ellipse = dojox.drawing.util.oo.declare(
// summary:
// A drawable Ellipse.
//
dojox.drawing.stencil.Ellipse,
function(){
// summary: constructor
},
{
draws:true,
onDrag: function(/*EventObject*/obj){
// summary: See stencil._Base.onDrag
//
var s = obj.start, e = obj;
var x = s.x < e.x ? s.x : e.x,
y = s.y < e.y ? s.y : e.y,
w = s.x < e.x ? e.x-s.x : s.x-e.x,
h = s.y < e.y ? e.y-s.y : s.y-e.y;
if(this.keys.shift){ w = h = Math.max(w,h); }
if(!this.keys.alt){ // ellipse is normally on center
x+=w/2; y+=h/2; w/=2; h/=2;
} else{
if(y - h < 0){ h = y; }
if(x - w < 0){ w = x; }
}
this.points = [
{x:x-w, y:y-h}, // TL
{x:x+w, y:y-h}, // TR
{x:x+w, y:y+h}, // BR
{x:x-w, y:y+h} // BL
];
this.render();
},
onUp: function(/*EventObject*/obj){
// summary: See stencil._Base.onUp
//
if(this.created || !this._downOnCanvas){ return; }
this._downOnCanvas = false;
//Default shape on single click
if(!this.shape){
var s = obj.start, e = this.minimumSize*2;
this.data = {
cx: s.x+e,
cy: s.y+e,
rx: e,
ry: e
};
this.dataToPoints();
this.render();
}else{
// if too small, need to reset
var o = this.pointsToData();
console.log("Create a default shape here, pt to data: ",o);
if(o.rx*2<this.minimumSize && o.ry*2 < this.minimumSize){
this.remove(this.shape, this.hit);
return;
}
}
this.onRender(this);
}
}
);
dojox.drawing.tools.Ellipse.setup = {
// summary: See stencil._Base ToolsSetup
//
name:"dojox.drawing.tools.Ellipse",
tooltip:"Ellipse Tool",
iconClass:"iconEllipse"
};
dojox.drawing.register(dojox.drawing.tools.Ellipse.setup, "tool");
});