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

123 lines
2.6 KiB
JavaScript

//>>built
// wrapped by build app
define("dojox/drawing/tools/Line", ["dijit","dojo","dojox"], function(dijit,dojo,dojox){
dojo.provide("dojox.drawing.tools.Line");
dojox.drawing.tools.Line = dojox.drawing.util.oo.declare(
// summary:
// Class for a drawable Line
dojox.drawing.stencil.Line,
function(){
// summary: constructor
},
{
draws:true,
showAngle:true,
onTransformEnd: function(/*manager.Anchor*/anchor){
// summary:
// Overwrites _Base.onTransformEnd
//
this._toggleSelected();
if(this.getRadius()<this.minimumSize){
var p = this.points;
this.setPoints([
{x:p[0].x, y:p[0].y},
{x:p[0].x, y:p[0].y}
]);
}else{
var d = this.data;
var obj = {start:{x:d.x1,y:d.y1},x:d.x2,y:d.y2};
var pt = this.util.snapAngle(obj, this.angleSnap/180);
this.setPoints([
{x:d.x1, y:d.y1},
{x:pt.x, y:pt.y}
]);
this._isBeingModified = false;
this.onModify(this);
}
},
onDrag: function(/*EventObject*/obj){
// summary: See stencil._Base.onDrag
//
if(this.created){ return; }
var x1 = obj.start.x,
y1 = obj.start.y,
x2 = obj.x,
y2 = obj.y;
if(this.keys.shift){
var pt = this.util.snapAngle(obj, 45/180);
x2 = pt.x;
y2 = pt.y;
}
if(this.keys.alt){
// FIXME:
// should double the length of the line
// FIXME:
// if alt dragging past ZERO it seems to work
// but select/deselect shows bugs
var dx = x2>x1 ? ((x2-x1)/2) : ((x1-x2)/-2);
var dy = y2>y1 ? ((y2-y1)/2) : ((y1-y2)/-2);
x1 -= dx;
x2 -= dx;
y1 -= dy;
y2 -= dy;
}
this.setPoints([
{x:x1, y:y1},
{x:x2, y:y2}
]);
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*4;
this.setPoints([
{x:s.x, y:s.y+e},
{x:s.x, y:s.y}
]);
this.render();
}else{
// if too small, need to reset
if(this.getRadius()<this.minimumSize){
this.remove(this.shape, this.hit);
return;
}
}
var pt = this.util.snapAngle(obj, this.angleSnap/180);
var p = this.points;
this.setPoints([
{x:p[0].x, y:p[0].y},
{x:pt.x, y:pt.y}
]);
this.renderedOnce = true;
this.onRender(this);
}
}
);
dojox.drawing.tools.Line.setup = {
// summary: See stencil._Base ToolsSetup
//
name:"dojox.drawing.tools.Line",
tooltip:"Line Tool",
iconClass:"iconLine"
};
dojox.drawing.register(dojox.drawing.tools.Line.setup, "tool");
});