?? context_menu.js
字號(hào):
var MenuWidth = 120;
var ItemHeight = 16;
var ItemNumber = 0;
//WebFX右鍵菜單程序被織夢(mèng)修改的項(xiàng)為:
//增加了默認(rèn)寬度和菜單高度的定義
//這樣可以修正原來(lái)第一次載入時(shí)顯示不正確的情況
ContextMenu.intializeContextMenu=function()
{
document.body.insertAdjacentHTML("BeforeEnd", '<iframe src="#" scrolling="no" class="WebFX-ContextMenu" marginwidth="0" marginheight="0" frameborder="0" style="position:absolute;display:none;z-index:50000000;" id="WebFX_PopUp"></iframe>');
WebFX_PopUp = self.frames["WebFX_PopUp"]
WebFX_PopUpcss = document.getElementById("WebFX_PopUp")
document.body.attachEvent("onmousedown",function(){WebFX_PopUpcss.style.display="none"})
WebFX_PopUpcss.onfocus = function(){WebFX_PopUpcss.style.display="inline"};
WebFX_PopUpcss.onblur = function(){WebFX_PopUpcss.style.display="none"};
self.attachEvent("onblur",function(){WebFX_PopUpcss.style.display="none"})
}
function ContextSeperator(){}
function ContextMenu(){}
ContextMenu.showPopup=function(x,y)
{
WebFX_PopUpcss.style.display = "block"
}
ContextMenu.display=function(popupoptions,h)
{
var eobj,x,y;
eobj = window.event;
x = eobj.x;
y = eobj.y
/*
not really sure why I had to pass window here
it appears that an iframe inside a frames page
will think that its parent is the frameset as
opposed to the page it was created in...
*/
ContextMenu.populatePopup(popupoptions,window)
ContextMenu.showPopup(x,y);
ContextMenu.fixSize();
ContextMenu.fixPos(x,y);
eobj.cancelBubble = true;
eobj.returnValue = false;
}
//TODO
ContextMenu.getScrollTop=function()
{
return document.body.scrollTop;
//window.pageXOffset and window.pageYOffset for moz
}
ContextMenu.getScrollLeft=function()
{
return document.body.scrollLeft;
}
ContextMenu.fixPos=function(x,y)
{
var docheight,docwidth,dh,dw;
docheight = document.body.clientHeight;
docwidth = document.body.clientWidth;
dh = (WebFX_PopUpcss.offsetHeight+y) - docheight;
dw = (WebFX_PopUpcss.offsetWidth+x) - docwidth;
if(dw>0)
{ WebFX_PopUpcss.style.left = (x - dw) + ContextMenu.getScrollLeft() + "px"; }
else
{ WebFX_PopUpcss.style.left = x + ContextMenu.getScrollLeft(); }
//
if(dh>0)
{ WebFX_PopUpcss.style.top = (y - dh) + ContextMenu.getScrollTop() + "px" }
else
{ WebFX_PopUpcss.style.top = y + ContextMenu.getScrollTop(); }
}
ContextMenu.fixSize=function()
{
//這個(gè)方法是動(dòng)態(tài)調(diào)整Iframe的寬度和高度，被織夢(mèng)修改過(guò)
//var body;
//WebFX_PopUpcss.style.width = "120px";
//body = WebFX_PopUp.document.body;
//var dummy = WebFX_PopUpcss.offsetHeight + " dummy";
//h = body.scrollHeight + WebFX_PopUpcss.offsetHeight - body.clientHeight;
//w = body.scrollWidth + WebFX_PopUpcss.offsetWidth - body.clientWidth;
WebFX_PopUpcss.style.height = ItemHeight * ItemNember + "px";
WebFX_PopUpcss.style.width = MenuWidth + "px";
ItemNember = 0;
}
ContextMenu.populatePopup=function(arr,win)
{
var alen,i,tmpobj,doc,height,htmstr;
alen = arr.length;
ItemNember = alen;
doc = WebFX_PopUp.document;
doc.body.innerHTML = ""
if (doc.getElementsByTagName("LINK").length == 0) {
doc.open();
doc.write('<html><head><link rel="StyleSheet" type="text/css" href="js/contextmenu.css"></head><body></body></html>');
doc.close();
}
for(i=0;i<alen;i++)
{
if(arr[i].constructor==ContextItem)
{
tmpobj=doc.createElement("DIV");
tmpobj.noWrap = true;
tmpobj.className = "WebFX-ContextMenu-Item";
if(arr[i].disabled)
{
htmstr = '<span class="WebFX-ContextMenu-DisabledContainer">'
htmstr += arr[i].text+'</span>'
tmpobj.innerHTML = htmstr
tmpobj.className = "WebFX-ContextMenu-Disabled";
tmpobj.onmouseover = function(){this.className="WebFX-ContextMenu-Disabled-Over"}
tmpobj.onmouseout = function(){this.className="WebFX-ContextMenu-Disabled"}
}
else
{
tmpobj.innerHTML = arr[i].text;
tmpobj.onclick = (function (f)
{
return function () {
win.WebFX_PopUpcss.style.display='none'
if (typeof(f)=="function"){ f(); }
};
})(arr[i].action);
tmpobj.onmouseover = function(){this.className="WebFX-ContextMenu-Over"}
tmpobj.onmouseout = function(){this.className="WebFX-ContextMenu-Item"}
}
doc.body.appendChild(tmpobj);
}
else
{
doc.body.appendChild(doc.createElement("DIV")).className = "WebFX-ContextMenu-Separator";
}
}
doc.body.className = "WebFX-ContextMenu-Body" ;
doc.body.onselectstart = function(){return false;}
}
function ContextItem(str,fnc,disabled)
{
this.text = str;
this.action = fnc;
this.disabled = disabled || false;
}?? 快捷鍵說(shuō)明
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