lib/dojo/dnd/Mover.js

   1 /*
   2         Copyright (c) 2004-2012, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7 //>>built
   8 define("dojo/dnd/Mover",["../_base/array","../_base/declare","../_base/event","../_base/lang","../sniff","../_base/window","../dom","../dom-geometry","../dom-style","../Evented","../on","../touch","./common","./autoscroll"],function(_1,_2,_3,_4,_5,_6,_7,_8,_9,_a,on,_b,_c,_d){return _2("dojo.dnd.Mover",[_a],{constructor:function(_e,e,_f){this.node=_7.byId(_e);this.marginBox={l:e.pageX,t:e.pageY};this.mouseButton=e.button;var h=(this.host=_f),d=_e.ownerDocument;this.events=[on(d,_b.move,_4.hitch(this,"onFirstMove")),on(d,_b.move,_4.hitch(this,"onMouseMove")),on(d,_b.release,_4.hitch(this,"onMouseUp")),on(d,"dragstart",_3.stop),on(d.body,"selectstart",_3.stop)];_d.autoScrollStart(d);if(h&&h.onMoveStart){h.onMoveStart(this);}},onMouseMove:function(e){_d.autoScroll(e);var m=this.marginBox;this.host.onMove(this,{l:m.l+e.pageX,t:m.t+e.pageY},e);_3.stop(e);},onMouseUp:function(e){if(_5("webkit")&&_5("mac")&&this.mouseButton==2?e.button==0:this.mouseButton==e.button){this.destroy();}_3.stop(e);},onFirstMove:function(e){var s=this.node.style,l,t,h=this.host;switch(s.position){case "relative":case "absolute":l=Math.round(parseFloat(s.left))||0;t=Math.round(parseFloat(s.top))||0;break;default:s.position="absolute";var m=_8.getMarginBox(this.node);var b=_6.doc.body;var bs=_9.getComputedStyle(b);var bm=_8.getMarginBox(b,bs);var bc=_8.getContentBox(b,bs);l=m.l-(bc.l-bm.l);t=m.t-(bc.t-bm.t);break;}this.marginBox.l=l-this.marginBox.l;this.marginBox.t=t-this.marginBox.t;if(h&&h.onFirstMove){h.onFirstMove(this,e);}this.events.shift().remove();},destroy:function(){_1.forEach(this.events,function(_10){_10.remove();});var h=this.host;if(h&&h.onMoveStop){h.onMoveStop(this);}this.events=this.node=this.host=null;}});});