menuv_wev8.js 4.46 KB
function SDMenu(id) {
	if (!document.getElementById || !document.getElementsByTagName)
		return false;
	this.menu = document.getElementById(id);
	this.submenus = this.menu.getElementsByTagName("div");
	this.remember = true;
	this.speed = 3;
	this.markCurrent = true;
	this.oneSmOnly = false;
}
SDMenu.prototype.init = function() {
	var mainInstance = this;
	for (var i = 0; i < this.submenus.length; i++)
		
		getElementsByClass("mainFont",this.submenus[i])[0].onclick = function() {
			
			mainInstance.toggleMenu(this.parentNode);
		};
		/*this.submenus[i].getElementsByTagName("span")[0].onclick = function() {
			mainInstance.toggleMenu(this.parentNode);
		};*/
	if (this.markCurrent) {
		var links = getElementsByClass("sub",this.menu);
		for (var i = 0; i < links.length; i++)
			if (links[i].href == document.location.href) {
				//links[i].className = "current";
				break;
			}
	}
	if (this.remember) {
		var regex = new RegExp("sdmenu_" + encodeURIComponent(this.menu.id) + "=([01]+)");
		var match = regex.exec(document.cookie);
		if (match) {
			var states = match[1].split("");
			for (var i = 0; i < states.length; i++)
				this.submenus[i].className = (states[i] == 0 ? "collapsed" : "");
		}
	}
};
SDMenu.prototype.toggleMenu = function(submenu) {
	if (getElementsByClass("mainFont",submenu)[0].className != "mainFont")
		this.expandMenu(submenu);
	else
		this.collapseMenu(submenu);
};
SDMenu.prototype.expandMenu = function(submenu) {
	var fullHeight = getElementsByClass("mainFont",submenu)[0].offsetHeight;
	var links = getElementsByClass("sub",submenu);
	for (var i = 0; i < links.length; i++)
		links[i].style.display='';
	getElementsByClass("mainFont",submenu)[0].className="mainFont";	
	this.collapseOthers(submenu);
	return;
	
	/*var moveBy = Math.round(this.speed * links.length);
	
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight + moveBy;
		if (newHeight < fullHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "";
			mainInstance.memorize();
		}
	}, 30);*/
	
};
SDMenu.prototype.collapseMenu = function(submenu) {
	var minHeight = getElementsByClass("mainFont",submenu)[0].offsetHeight;
	var submenus = getElementsByClass("sub",submenu);
	var moveBy = Math.round(this.speed * getElementsByClass("sub",submenu).length);
	var mainInstance = this;
	/*var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		alert(curHeight)
		var newHeight = curHeight - moveBy;
		if (newHeight > minHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "collapsed";
			mainInstance.memorize();
		}
	}, 30);*/
	for(var i=0;i<submenus.length;i++){
		submenus[i].style.display='none';
	}
	getElementsByClass("mainFont",submenu)[0].className = "collapsed mainFont"
	//submenu.className="collapsed";	
};
SDMenu.prototype.collapseOthers = function(submenu) {
	if (this.oneSmOnly) {
		for (var i = 0; i < this.submenus.length; i++)
			if (this.submenus[i] != submenu && this.submenus[i].className != "collapsed")
				this.collapseMenu(this.submenus[i]);
	}
};
SDMenu.prototype.expandAll = function() {
	var oldOneSmOnly = this.oneSmOnly;
	this.oneSmOnly = false;
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className == "collapsed")
			this.expandMenu(this.submenus[i]);
	this.oneSmOnly = oldOneSmOnly;
};
SDMenu.prototype.collapseAll = function() {
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className != "collapsed")
			this.collapseMenu(this.submenus[i]);
};
SDMenu.prototype.memorize = function() {
	if (this.remember) {
		var states = new Array();
		for (var i = 0; i < this.submenus.length; i++)
			states.push(this.submenus[i].className == "collapsed" ? 0 : 1);
		var d = new Date();
		d.setTime(d.getTime() + (30 * 24 * 60 * 60 * 1000));
		document.cookie = "sdmenu_" + encodeURIComponent(this.menu.id) + "=" + states.join("") + "; expires=" + d.toGMTString() + "; path=/";
	}
};

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}