Subversion Repositories DevTools

/*

 *    DROPDOWN MENU

 */

var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1

var ns6=(document.getElementById&&!document.all)||navigator.userAgent.indexOf("Opera")==0

var ns4=document.layers

var menuobj;

function showmenu(e,which){

if (!document.all&&!document.getElementById&&!document.layers)

return

clearhidemenu()

if (!menuobj){

    menuobj = document.getElementById('popmenu');

    if (!menuobj) {

        menuobj = document.createElement('div');

        menuobj.className = 'menuskin';

        menuobj.onmouseover=function(event){clearhidemenu();highlightmenu(event,'on')};

        menuobj.onmouseout=function(event){highlightmenu(event,'off');dynamichide(event)};

        menuobj.id = 'popmenu';

        document.body.appendChild(menuobj);

    }

}

menuobj=ie4? document.all.popmenu : ns6? document.getElementById("popmenu") : ns4? document.popmenu : ""

menuobj.thestyle=(ie4||ns6)? menuobj.style : menuobj

if (ie4||ns6)

menuobj.innerHTML=which

else{

menuobj.document.write('<layer name=gui bgColor=#E6E6E6 width=165 onmouseover="clearhidemenu()" onmouseout="hidemenu()">'+which+'</layer>')

menuobj.document.close()

}

menuobj.contentwidth=(ie4||ns6)? menuobj.offsetWidth : menuobj.document.gui.document.width

menuobj.contentheight=(ie4||ns6)? menuobj.offsetHeight : menuobj.document.gui.document.height

//eventX=ie4? event.clientX : ns6? e.clientX : e.x

//eventY=ie4? event.clientY : ns6? e.clientY : e.y

// Dont use event location as it wobbles around

// Use location of parent element

var targ;

if (e.target) targ = e.target;

else if (e.srcElement) targ = e.srcElement;

if (targ.nodeType == 3) // defeat Safari bug

targ = targ.parentNode;

var rect = targ.getBoundingClientRect();

eventX = rect.left;

eventY = rect.bottom;

//Find out how close the mouse is to the corner of the window

var rightedge=(document.body.clientWidth||window.innerWidth)-eventX;

var bottomedge=(document.body.clientHeight||window.innerHeight)-eventY;

//position the horizontal position of the menu where the mouse was clicked

var left=ie4? document.body.scrollLeft+eventX : ns6? window.pageXOffset+eventX : eventX

//if the horizontal distance isn't enough to accomodate the width of the context menu

var delta = rightedge - menuobj.contentwidth;

if ( delta < 0 ) left+=delta;

//same concept with the vertical position

var top = menuobj.thestyle.top=ie4? document.body.scrollTop+eventY : ns6? window.pageYOffset+eventY : eventY

// Don't adjust top. Assume menus are at the top. All adjusting will do is push the top off the screen

//delta = bottomedge-menuobj.contentheight;

//if (delta < 0) top += delta;

menuobj.thestyle.left=left+'px';

menuobj.thestyle.top=top+'px';

menuobj.thestyle.visibility="visible"

// Stop onClick event propagating

if (!e)

  e = window.event;

//IE9 & Other Browsers

if (e.stopPropagation) {

  e.stopPropagation();

}

//IE8 and Lower

else {

  e.cancelBubble = true;

}

return false

}

function contains_ns6(a, b) {

//Determines if 1 element in contained in another- by Brainjar.com

while (b && b.parentNode)

if ((b = b.parentNode) == a)

return true;

return false;

}

function hidemenu(){

if (window.menuobj)

menuobj.thestyle.visibility=(ie4||ns6)? "hidden" : "hide"

}

function dynamichide(e){

if (ie4&&!menuobj.contains(e.toElement))

hidemenu()

else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))

hidemenu()

}

function delayhidemenu(){

if (ie4||ns6||ns4)

delayhide=setTimeout("hidemenu()",500)

}

function clearhidemenu(){

if (window.delayhide)

clearTimeout(delayhide)

}

function highlightmenu(e,state){

if (document.all)

    source_el=event.srcElement

else if (document.getElementById)

    source_el=e.target

if (source_el.className.indexOf("menuitems") >= 0 ){

    source_el.id=(state=="on")? "mouseoverstyle" : "";

}

else{

    while(source_el.id!="popmenu"){

            source_el=document.getElementById? source_el.parentNode : source_el.parentElement

            if (source_el.className.indexOf("menuitems") >= 0){

                source_el.id=(state=="on")? "mouseoverstyle" : "";

            }

    }

}

}

if (ie4||ns6)

document.onclick=hidemenu