| /* |
| Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved. |
| Available via Academic Free License >= 2.1 OR the modified BSD license. |
| see: http://dojotoolkit.org/license for details |
| */ |
| |
| |
| if(!dojo._hasResource["dojox.grid.compat._grid.drag"]){ |
| dojo._hasResource["dojox.grid.compat._grid.drag"]=true; |
| dojo.provide("dojox.grid.compat._grid.drag"); |
| (function(){ |
| var _1=dojox.grid.drag={}; |
| _1.dragging=false; |
| _1.hysteresis=2; |
| _1.capture=function(_2){ |
| if(_2.setCapture){ |
| _2.setCapture(); |
| }else{ |
| document.addEventListener("mousemove",_2.onmousemove,true); |
| document.addEventListener("mouseup",_2.onmouseup,true); |
| document.addEventListener("click",_2.onclick,true); |
| } |
| }; |
| _1.release=function(_3){ |
| if(_3.releaseCapture){ |
| _3.releaseCapture(); |
| }else{ |
| document.removeEventListener("click",_3.onclick,true); |
| document.removeEventListener("mouseup",_3.onmouseup,true); |
| document.removeEventListener("mousemove",_3.onmousemove,true); |
| } |
| }; |
| _1.start=function(_4,_5,_6,_7,_8){ |
| if(!_4||_1.dragging){ |
| |
| return; |
| } |
| _1.dragging=true; |
| _1.elt=_4; |
| _1.events={drag:_5||dojox.grid.nop,end:_6||dojox.grid.nop,start:_8||dojox.grid.nop,oldmove:_4.onmousemove,oldup:_4.onmouseup,oldclick:_4.onclick}; |
| _1.positionX=(_7&&("screenX" in _7)?_7.screenX:false); |
| _1.positionY=(_7&&("screenY" in _7)?_7.screenY:false); |
| _1.started=(_1.position===false); |
| _4.onmousemove=_1.mousemove; |
| _4.onmouseup=_1.mouseup; |
| _4.onclick=_1.click; |
| _1.capture(_1.elt); |
| }; |
| _1.end=function(){ |
| _1.release(_1.elt); |
| _1.elt.onmousemove=_1.events.oldmove; |
| _1.elt.onmouseup=_1.events.oldup; |
| _1.elt.onclick=_1.events.oldclick; |
| _1.elt=null; |
| try{ |
| if(_1.started){ |
| _1.events.end(); |
| } |
| } |
| finally{ |
| _1.dragging=false; |
| } |
| }; |
| _1.calcDelta=function(_9){ |
| _9.deltaX=_9.screenX-_1.positionX; |
| _9.deltaY=_9.screenY-_1.positionY; |
| }; |
| _1.hasMoved=function(_a){ |
| return Math.abs(_a.deltaX)+Math.abs(_a.deltaY)>_1.hysteresis; |
| }; |
| _1.mousemove=function(_b){ |
| _b=dojo.fixEvent(_b); |
| dojo.stopEvent(_b); |
| _1.calcDelta(_b); |
| if((!_1.started)&&(_1.hasMoved(_b))){ |
| _1.events.start(_b); |
| _1.started=true; |
| } |
| if(_1.started){ |
| _1.events.drag(_b); |
| } |
| }; |
| _1.mouseup=function(_c){ |
| dojo.stopEvent(dojo.fixEvent(_c)); |
| _1.end(); |
| }; |
| _1.click=function(_d){ |
| dojo.stopEvent(dojo.fixEvent(_d)); |
| }; |
| })(); |
| } |
