dhtmlxmenubar_cp.js

强大的动态功能树的生成文件

/*
Copyright Scand LLC http://www.scbr.com
To use this component please contact [e-mail] to obtain license

*/ 
 
function dhtmlXContextMenuObject(width,height,gfxPath,httpsdummy){
 this.menu=new dhtmlXMenuBarObject(document.body,width,height,"",1,gfxPath,httpsdummy);
 this.menu.setMenuMode("popup");
 this.menu.hideBar();
 this.menu.contextMenu=this;
 this.menu.enableWindowOpenMode(false);
 this.menu.setOnClickHandler(this._innerOnClick);
 this.aframes=new Array();
 this.registerFrame(window);
 return this;
};

dhtmlXContextMenuObject.prototype.registerFrame=function(awin){
 this.aframes[this.aframes.length]=awin;
}



 
dhtmlXContextMenuObject.prototype.setContextMenuHandler=function(func){
 if(typeof(func)=="function")this.onClickHandler=func;else this.onClickHandler=eval(func);
}
 
dhtmlXContextMenuObject.prototype.openAt=function(x,y,id,smartPosition){
 this.espc=convertStringToBoolean(smartPosition);
 var f=new Object;
 f.button=2;
 f.clientX=x;
 f.clientY=y;
 var start=new Object;
 start.contextMenuId=id;
 start.contextMenu=this;
 start.a=this._contextStart;
 start.a(document.body,f);
 this.espc=null;
}


 
dhtmlXContextMenuObject.prototype.disableMenu=function(mode){
 this._dsbd=convertStringToBoolean(mode);
}
 
 
dhtmlXContextMenuObject.prototype.setOnShowMenuHandler=function(func){
 if(typeof(func)=="function")this.onShowHandler=func;else this.onShowHandler=eval(func);
}
 
 
dhtmlXContextMenuObject.prototype._innerOnClick=function(id){
 
 var that=document.body.contextMenu;
 if(that.contextZone.ownerDocument.body.onclick)that.contextZone.ownerDocument.body.onclick();
 if(that.onClickHandler)return that.onClickHandler(id,that.zoneId,that.contextZone);
 return true;
}

 
dhtmlXContextMenuObject.prototype.setContextZone=function(htmlObject,zoneId){
 if(typeof(htmlObject)!="object")
 htmlObject=document.getElementById(htmlObject);

 if(!htmlObject.contextMenu)
 htmlObject.contextOnclick=htmlObject.onmousedown;
 htmlObject.selfobj = this;
 htmlObject.onmousedown= function(e){this.selfobj._contextStart(this,e);};
 
 htmlObject.contextMenu=this;
 htmlObject.contextMenuId=zoneId;
}
 
dhtmlXContextMenuObject.prototype._contextStart=function(obj,e){
 if((_isIE)&&(window.event))
 event.srcElement.oncontextmenu = function(){event.cancelBubble=true;return false;};

 if(!this.contextMenu)
 this.contextMenu = this;
 var win = obj.ownerDocument.parentWindow;
 if(!win){
 win = obj.ownerDocument.defaultView;
}

 if(!e){
 e=win.event;
}
 if(document.body.onclick)document.body.onclick();

 if((!e)||(e.button!=2))
{
 if(obj.contextOnclick)obj.contextOnclick();
 return true;
}
 else{
 if(this.contextMenu._dsbd)return true;
 if(this.contextMenu.onShowHandler)
 this.contextMenu.onShowHandler(obj.contextMenuId);
 this.contextMenu.menu.showBar();
}
 var a=this.contextMenu.menu.topNod;
 var winScreenTop = window.screenTop;
 
 if((!winScreenTop)&&(winScreenTop!=0)){
 winScreenTop = window.screenY+window.outerHeight-window.innerHeight;
 
 
 
 
}
 var winScreenLeft = window.screenLeft;
 if((!winScreenLeft)&&(winScreenLeft!=0)){
 winScreenLeft = window.screenX+window.outerWidth-window.innerWidth-4;
 
 
 
}
 if(e.screenY-winScreenTop+a.offsetHeight-window.document.body.scrollTop > window.document.body.clientHeight){
 var verCor = a.offsetHeight
}else
 var verCor = -14;
 var corrector = new Array(window.document.body.scrollLeft+5,verCor-window.document.body.scrollTop);
 a.style.position="absolute";
 
 
 
 

 if((!e.screenY)&&(e.clientX))
{
 a.style.top = e.clientY;
 a.style.left = e.clientX;
}
 else
{
 a.style.top = e.screenY-winScreenTop-corrector[1];
 a.style.left = e.screenX-winScreenLeft+corrector[0];
}
 
 if(!_isIE){
 a.style.top = e.clientY-corrector[1];
 a.style.left = e.clientX+corrector[0];
}
 this.contextMenu._fixMenuPosition(a);

 if(a.ieFix){
 a.ieFix.style.top=a.style.top;
 a.ieFix.style.left=a.style.left;
}
 
 win.document.body.oncontextmenu=new Function("document.body.oncontextmenu=new Function('if(document.body.onclick)document.body.onclick();return false;');return false;");

 for(var i=0;i<this.contextMenu.aframes.length;i++){
 if(this.contextMenu.aframes[i].document)
 this.contextMenu.aframes[i].document.body.selfobj = this;
 this.contextMenu.aframes[i].document.body.onclick=function(e){this.selfobj.contextMenu._contextEnd(e)};
}

 document.body.contextMenu=this.contextMenu;
 this.contextMenu.contextZone=obj;
 this.contextMenu.zoneId=obj.contextMenuId;
 return false;
}

 
dhtmlXContextMenuObject.prototype._fixMenuPosition=function(panel,mode){
 var xs=document.body.offsetWidth+document.body.scrollLeft;
 var ys=document.body.offsetHeight-15+document.body.scrollTop;
 
 if((panel.offsetWidth+parseInt(panel.style.left))>xs)
{
 var z=parseInt(panel.style.left)-panel.offsetWidth;
 if((z<0)||(this.espc))
 z=xs-panel.offsetWidth;
 if(z<0)z=0;
 panel.style.left=z;
 if(panel.ieFix)panel.ieFix.style.left=z;
}

 if((panel.offsetHeight+parseInt(panel.style.top))>ys)
{
 var z=parseInt(panel.style.top)- panel.offsetHeight;
 if((z<0)||(this.espc))
 z=ys-panel.offsetHeight;
 if(z<0)z=0;
 panel.style.top=z;
 if(panel.ieFix)panel.ieFix.style.top=z;
}
 
 if(!mode)this._fixMenuPosition(panel,1);
 
}
 
 
dhtmlXContextMenuObject.prototype._contextEnd=function(e){
 var menu=this.menu;
 menu._closePanel(menu);
 menu.lastOpenedPanel="";
 menu.lastSelectedItem=0;
 menu.hideBar();
 for(var i=0;i<this.aframes.length;i++)
 if(this.aframes[i].document)
 this.aframes[i].document.body.onclick=null;

 return false;
}