| 12345678 |
- /*
- 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.layout.ResizeHandle"]){dojo._hasResource["dojox.layout.ResizeHandle"]=true;dojo.provide("dojox.layout.ResizeHandle");dojo.experimental("dojox.layout.ResizeHandle");dojo.require("dijit._Widget");dojo.require("dijit._Templated");dojo.require("dojo.fx");dojo.declare("dojox.layout.ResizeHandle",[dijit._Widget,dijit._Templated],{targetId:"",targetContainer:null,resizeAxis:"xy",activeResize:false,activeResizeClass:"dojoxResizeHandleClone",animateSizing:true,animateMethod:"chain",animateDuration:225,minHeight:100,minWidth:100,constrainMax:false,maxHeight:0,maxWidth:0,fixedAspect:false,intermediateChanges:false,startTopic:"/dojo/resize/start",endTopic:"/dojo/resize/stop",templateString:"<div dojoAttachPoint=\"resizeHandle\" class=\"dojoxResizeHandle\"><div></div></div>",postCreate:function(){this.connect(this.resizeHandle,"onmousedown","_beginSizing");if(!this.activeResize){this._resizeHelper=dijit.byId("dojoxGlobalResizeHelper");if(!this._resizeHelper){this._resizeHelper=new dojox.layout._ResizeHelper({id:"dojoxGlobalResizeHelper"}).placeAt(dojo.body());dojo.addClass(this._resizeHelper.domNode,this.activeResizeClass);}}else{this.animateSizing=false;}if(!this.minSize){this.minSize={w:this.minWidth,h:this.minHeight};}if(this.constrainMax){this.maxSize={w:this.maxWidth,h:this.maxHeight};}this._resizeX=this._resizeY=false;var _1=dojo.partial(dojo.addClass,this.resizeHandle);switch(this.resizeAxis.toLowerCase()){case "xy":this._resizeX=this._resizeY=true;_1("dojoxResizeNW");break;case "x":this._resizeX=true;_1("dojoxResizeW");break;case "y":this._resizeY=true;_1("dojoxResizeN");break;}},_beginSizing:function(e){if(this._isSizing){return false;}dojo.publish(this.startTopic,[this]);this.targetWidget=dijit.byId(this.targetId);this.targetDomNode=this.targetWidget?this.targetWidget.domNode:dojo.byId(this.targetId);if(this.targetContainer){this.targetDomNode=this.targetContainer;}if(!this.targetDomNode){return false;}if(!this.activeResize){var c=dojo.coords(this.targetDomNode,true);this._resizeHelper.resize({l:c.x,t:c.y,w:c.w,h:c.h});this._resizeHelper.show();}this._isSizing=true;this.startPoint={x:e.clientX,y:e.clientY};var mb=this.targetWidget?dojo.marginBox(this.targetDomNode):dojo.contentBox(this.targetDomNode);this.startSize={w:mb.w,h:mb.h};if(this.fixedAspect){var _2,_3;if(mb.w>mb.h){_2="w";_3=mb.w/mb.h;}else{_2="h";_3=mb.h/mb.w;}this._aspect={prop:_2};this._aspect[_2]=_3;}this._pconnects=[];this._pconnects.push(dojo.connect(dojo.doc,"onmousemove",this,"_updateSizing"));this._pconnects.push(dojo.connect(dojo.doc,"onmouseup",this,"_endSizing"));dojo.stopEvent(e);},_updateSizing:function(e){if(this.activeResize){this._changeSizing(e);}else{var _4=this._getNewCoords(e);if(_4===false){return;}this._resizeHelper.resize(_4);}e.preventDefault();},_getNewCoords:function(e){try{if(!e.clientX||!e.clientY){return false;}}catch(e){return false;}this._activeResizeLastEvent=e;var dx=this.startPoint.x-e.clientX,dy=this.startPoint.y-e.clientY,_5=this.startSize.w-(this._resizeX?dx:0),_6=this.startSize.h-(this._resizeY?dy:0);return this._checkConstraints(_5,_6);},_checkConstraints:function(_7,_8){if(this.minSize){var tm=this.minSize;if(_7<tm.w){_7=tm.w;}if(_8<tm.h){_8=tm.h;}}if(this.constrainMax&&this.maxSize){var ms=this.maxSize;if(_7>ms.w){_7=ms.w;}if(_8>ms.h){_8=ms.h;}}if(this.fixedAspect){var ta=this._aspect[this._aspect.prop];if(_7<_8){_8=_7*ta;}else{if(_8<_7){_7=_8*ta;}}}return {w:_7,h:_8};},_changeSizing:function(e){var _9=this._getNewCoords(e);if(_9===false){return;}if(this.targetWidget&&dojo.isFunction(this.targetWidget.resize)){this.targetWidget.resize(_9);}else{if(this.animateSizing){var _a=dojo.fx[this.animateMethod]([dojo.animateProperty({node:this.targetDomNode,properties:{width:{start:this.startSize.w,end:_9.w}},duration:this.animateDuration}),dojo.animateProperty({node:this.targetDomNode,properties:{height:{start:this.startSize.h,end:_9.h}},duration:this.animateDuration})]);_a.play();}else{dojo.style(this.targetDomNode,{width:_9.w+"px",height:_9.h+"px"});}}if(this.intermediateChanges){this.onResize(e);}},_endSizing:function(e){dojo.forEach(this._pconnects,dojo.disconnect);var _b=dojo.partial(dojo.publish,this.endTopic,[this]);if(!this.activeResize){this._resizeHelper.hide();this._changeSizing(e);setTimeout(_b,this.animateDuration+15);}else{_b();}this._isSizing=false;this.onResize(e);},onResize:function(e){}});dojo.declare("dojox.layout._ResizeHelper",dijit._Widget,{show:function(){dojo.fadeIn({node:this.domNode,duration:120,beforeBegin:function(n){dojo.style(n,"display","");}}).play();},hide:function(){dojo.fadeOut({node:this.domNode,duration:250,onEnd:function(n){dojo.style(n,"display","none");}}).play();},resize:function(_c){dojo.marginBox(this.domNode,_c);}});}
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