| /* |
| 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,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; |
| } |
| 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 _5,_6; |
| if(mb.w>mb.h){ |
| _5="w"; |
| _6=mb.w/mb.h; |
| }else{ |
| _5="h"; |
| _6=mb.h/mb.w; |
| } |
| this._aspect={prop:_5}; |
| this._aspect[_5]=_6; |
| } |
| 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 _8=this._getNewCoords(e); |
| if(_8===false){ |
| return; |
| } |
| this._resizeHelper.resize(_8); |
| } |
| 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,_c=this.startSize.w-(this._resizeX?dx:0),_d=this.startSize.h-(this._resizeY?dy:0); |
| return this._checkConstraints(_c,_d); |
| },_checkConstraints:function(_e,_f){ |
| if(this.minSize){ |
| var tm=this.minSize; |
| if(_e<tm.w){ |
| _e=tm.w; |
| } |
| if(_f<tm.h){ |
| _f=tm.h; |
| } |
| } |
| if(this.constrainMax&&this.maxSize){ |
| var ms=this.maxSize; |
| if(_e>ms.w){ |
| _e=ms.w; |
| } |
| if(_f>ms.h){ |
| _f=ms.h; |
| } |
| } |
| if(this.fixedAspect){ |
| var ta=this._aspect[this._aspect.prop]; |
| if(_e<_f){ |
| _f=_e*ta; |
| }else{ |
| if(_f<_e){ |
| _e=_f*ta; |
| } |
| } |
| } |
| return {w:_e,h:_f}; |
| },_changeSizing:function(e){ |
| var tmp=this._getNewCoords(e); |
| if(tmp===false){ |
| return; |
| } |
| if(this.targetWidget&&dojo.isFunction(this.targetWidget.resize)){ |
| this.targetWidget.resize(tmp); |
| }else{ |
| if(this.animateSizing){ |
| var _15=dojo.fx[this.animateMethod]([dojo.animateProperty({node:this.targetDomNode,properties:{width:{start:this.startSize.w,end:tmp.w,unit:"px"}},duration:this.animateDuration}),dojo.animateProperty({node:this.targetDomNode,properties:{height:{start:this.startSize.h,end:tmp.h,unit:"px"}},duration:this.animateDuration})]); |
| _15.play(); |
| }else{ |
| dojo.style(this.targetDomNode,{width:tmp.w+"px",height:tmp.h+"px"}); |
| } |
| } |
| if(this.intermediateChanges){ |
| this.onResize(e); |
| } |
| },_endSizing:function(e){ |
| dojo.forEach(this._pconnects,dojo.disconnect); |
| if(!this.activeResize){ |
| this._resizeHelper.hide(); |
| this._changeSizing(e); |
| } |
| 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:dojo.partial(dojo.style,this.domNode,"display","")}).play(); |
| },hide:function(){ |
| dojo.fadeOut({node:this.domNode,duration:250,onEnd:dojo.partial(dojo.style,this.domNode,"display","none")}).play(); |
| },resize:function(dim){ |
| dojo.marginBox(this.domNode,dim); |
| }}); |
| } |