mtmcode.js

一个jsp开发的web mail项目。经典示例

		img = (item.icon != "") ? item.icon : MTMFetchIcon(item.url);
	}

	MTMOutputString += MTMakeImage(img);

	if(item.submenu && item.url != "" && item.expanded && !MTMEmulateWE) {
		MTMOutputString += '</a>' + MTMakeLink(item, false, false, true);
	}

	if(MTMUA.browserType == "NN" && MTMUA.majVersion == 3 && !MTMLinkedSS) {
		var stringColor;
		if(item.submenu && (item.url == "") && (item.number == MTMClickedItem.number)) {
			stringColor = (item.expanded) ? MTMSubExpandColor : MTMSubClosedColor;
		} else if(MTMTrackedItem && MTMTrackedItem == item.number) {
			stringColor = MTMTrackColor;
		} else {
			stringColor = MTMLinkColor;
		}
		MTMOutputString += '<font color="' + stringColor + '" size="' + MTMenuFontSize + '" face="' + MTMenuFont + '">';
	}
	MTMOutputString += '&nbsp;' + item.text + ((MTMUA.browserType == "NN" && MTMUA.majVersion == 3 && !MTMLinkedSS) ? '&nbsp;</font>' : '&nbsp;');
	MTMOutputString += subNoLink ? '</span>' : '</a>';
	MTMAddCell(MTMOutputString);
}

function MTMEscapeQuotes(myString) {
	var newString = "";
	var cur_pos = myString.indexOf("'");
	var prev_pos = 0;
	while (cur_pos != -1) {
		if(cur_pos == 0) {
			newString += "\\";
		} else if(myString.charAt(cur_pos-1) != "\\") {
			newString += myString.substring(prev_pos, cur_pos) + "\\";
		} else if(myString.charAt(cur_pos-1) == "\\") {
			newString += myString.substring(prev_pos, cur_pos);
		}
		prev_pos = cur_pos++;
		cur_pos = myString.indexOf("'", cur_pos);
	}
	return(newString + myString.substring(prev_pos, myString.length));
}

function MTMTrackExpand(thisMenu) {
	var i, targetPath, targetLocation;
	var foundNumber = false;
	for(i = 0; i < thisMenu.items.length; i++) {
		if(thisMenu.items[i].url != "" && MTMTrackTarget(thisMenu.items[i].target)) {
			targetLocation = parent.frames[thisMenu.items[i].target].location;
			targetHREF = targetLocation.href;
			if(targetHREF.indexOf("#") != -1) {
				targetHREF = targetHREF.substr(0, targetHREF.indexOf("#"));
			}
			if(MTMUA.browserType == "IE" && targetLocation.protocol == "file:") {
				var regExp = /\\/g;
				targetHREF = targetHREF.replace(regExp, "\/");
			}
			if(targetHREF == MTMUA.resolveURL(thisMenu.items[i].url)) {
				return(thisMenu.items[i].number);
			}
		}
		if(thisMenu.items[i].submenu) {
			foundNumber = MTMTrackExpand(thisMenu.items[i].submenu);
			if(foundNumber) {
				if(!thisMenu.items[i].expanded) {
					thisMenu.items[i].expanded = true;
					if(!MTMClickedItem) { MTMClickedItem = thisMenu.items[i]; }
					MTMExpansion = true;
				}
				return(foundNumber);
			}
		}
	}
return(foundNumber);
}

function MTMCloseSubs(thisMenu) {
	var i, j;
	var foundMatch = false;
	for(i = 0; i < thisMenu.items.length; i++) {
		if(thisMenu.items[i].submenu && thisMenu.items[i].expanded) {
			if(thisMenu.items[i].number == MTMClickedItem.number) {
				foundMatch = true;
				for(j = 0; j < thisMenu.items[i].submenu.items.length; j++) {
					if(thisMenu.items[i].submenu.items[j].expanded) {
						thisMenu.items[i].submenu.items[j].expanded = false;
					}
				}
			} else {
				if(foundMatch) {
					thisMenu.items[i].expanded = false; 
				} else {
					foundMatch = MTMCloseSubs(thisMenu.items[i].submenu);
					if(!foundMatch) {
						thisMenu.items[i].expanded = false;
					}
				}
			}
		}
	}
	return(foundMatch);
}

function MTMFetchIcon(testString) {
	var i;
	for(i = 0; i < MTMIconList.items.length; i++) {
		if((MTMIconList.items[i].type == 'any') && (testString.indexOf(MTMIconList.items[i].match) != -1)) {
			return(MTMIconList.items[i].file);
		} else if((MTMIconList.items[i].type == 'pre') && (testString.indexOf(MTMIconList.items[i].match) == 0)) {
			return(MTMIconList.items[i].file);
		} else if((MTMIconList.items[i].type == 'post') && (testString.indexOf(MTMIconList.items[i].match) != -1)) {
			if((testString.lastIndexOf(MTMIconList.items[i].match) + MTMIconList.items[i].match.length) == testString.length) {
				return(MTMIconList.items[i].file);
			}
		}
	}
	return("menu_link_default.gif");
}

function MTMGetYPos(myObj) {
	return(myObj.offsetTop + ((myObj.offsetParent) ? MTMGetYPos(myObj.offsetParent) : 0));
}
//add by qiuchun to change the selected item's style
function MTMakeSelectedStyle(o){
 if (!o) return "";
 if (MTMPreviousClickItem!=null && MTMPreviousClickItem!=o){
    MTMPreviousClickItem.className = "";
	MTMPreviousClickItem.style.color = "";
 }
 if (MTMLinkedSS) {
    o.className = "selecteditem";
	o.blur();
 } else{
    o.style.color = MTMSelectedItemColor; o.blur();
 }
 MTMPreviousClickItem = o;

}

function MTMakeLink(thisItem, voidURL, addName, addTitle, clickEvent, mouseOverEvent, mouseOutEvent) {
	var tempString = '<a href="' + (voidURL ? 'javascript:;' : MTMUA.resolveURL(thisItem.url)) + '" ';
	
	if(MTMUseToolTips && addTitle && thisItem.tooltip) {
		tempString += 'title="' + thisItem.tooltip + '" ';
	}
	if(addName) {
		tempString += 'name="sub' + thisItem.number + '" ';
	}
	if(clickEvent) {
		tempString += 'onclick="' + clickEvent + '" ';
	}else{
	    tempString += 'onclick='+MTMUA.resolveURL("javascript:MTMakeSelectedStyle(this)")+' ';  
	}
	if(mouseOverEvent && mouseOverEvent != "") {
		tempString += 'onmouseover="' + mouseOverEvent + '" ';
	}
	if(mouseOutEvent && mouseOutEvent != "") {
		tempString += 'onmouseout="' + mouseOutEvent + '" ';
	}
	if(thisItem.submenu && MTMClickedItem && thisItem.number == MTMClickedItem.number) {
	    tempString += 'class="' + (thisItem.expanded ? "subexpanded" : "subclosed") + '" ';
	} else if(MTMTrackedItem && thisItem.number == MTMTrackedItem) {
		if(MTMTrackedCookieName) {
			MTMTCArray = new Array(thisItem.number, thisItem.target, thisItem.url);
		}
		tempString += 'class="tracked"';
	}
	if(thisItem.target != "") {
		tempString += 'target="' + thisItem.target + '" ';
	}
	return(tempString + '>');
}

function MTMakeImage(thisImage) {
	return('<img src="' + MTMUA.preHREF + MTMenuImageDirectory + thisImage + '" align="absmiddle" border="0" vspace="0" hspace="0" width="18" height="18">');
}

function MTMakeSVG(thisImage) {
	return('<object type="image/svg+xml" data="' + thisImage + '" NAME="Main" width="18" height="18" ><\/object>');
}

function MTMTrackTarget(thisTarget) {
	if(thisTarget.charAt(0) == "_") {
		return false;
	} else {
		for(i = 0; i < MTMFrameNames.length; i++) {
			if(thisTarget == MTMFrameNames[i]) {
				return true;
			}
		}
	}
	return false;
}

function MTMAddCell(thisHTML) {
	if(MTMUA.DOMable || (MTMUA.browserType == "IE" && !MTMFirstRun)) {
		var myRow = MTMUA.menuTable.insertRow(MTMUA.menuTable.rows.length);
		myRow.vAlign = "top";
		var myCell = myRow.insertCell(myRow.cells.length);
		myCell.noWrap = true;
		myCell.innerHTML = thisHTML;
	} else {
		MTMUA.document.writeln('<tr valign="top"><td  nowrap>' + thisHTML + '<\/td><\/tr>');
	}
}

function MTMcreateStyleSheet() {
	var i;

	if(!MTMstyleRules) {
		MTMstyleRules = new MTMstyleRuleSet();
		with(MTMstyleRules) {
			addRule('body', 'color:' + MTMTextColor + ';');
			if(MTMuseScrollbarCSS && MTMUA.browserType != "NN") {
				addRule('body', 'scrollbar-3dlight-color:' + MTMscrollbar3dLightColor + ';scrollbar-arrow-color:' + MTMscrollbarArrowColor + ';scrollbar-base-color:' + MTMscrollbarBaseColor + ';scrollbar-darkshadow-color:' + MTMscrollbarDarkShadowColor + ';scrollbar-face-color:' + MTMscrollbarFaceColor + ';scrollbar-highlight-color:' + MTMscrollbarHighlightColor + ';scrollbar-shadow-color:' + MTMscrollbarShadowColor + ';scrollbar-track-color:' + MTMscrollbarTrackColor + ';');
			}
			addRule('#root', 'color:' + MTMRootColor + ';background:transparent;font-family:' + MTMRootFont + ';font-size:' + MTMRootCSSize + ';');
			addRule('.subtext', 'font-family:' + MTMenuFont + ';font-size:' + MTMenuCSSize + ';color:' + MTMSubTextColor + ';background: transparent;');
			addRule('a', 'font-family:' + MTMenuFont + ';font-size:' + MTMenuCSSize + ';text-decoration:none;color:' + MTMLinkColor + ';background:transparent;');
			addRule('a:hover', 'color:' + MTMAhoverColor + ';background:transparent;');
			addRule('a.tracked', 'color:' + MTMTrackColor + ';background:transparent;');
			addRule('a.subexpanded', 'color:' + MTMSubExpandColor + ';background:transparent;');
			addRule('a.subclosed', 'color:' + MTMSubClosedColor + ';background:transparent;');

		}
	}

	if(MTMUA.DOMable) {
		if(MTMUA.browserType == "IE") {
			MTMUA.document.createStyleSheet();
			var newStyleSheet = MTMUA.document.styleSheets(MTMUA.document.styleSheets.length-1);
		} else if(MTMUA.browserType == "NN") {
			var newStyleSheet = MTMUA.document.getElementById('mtmsheet');
			if(newStyleSheet) {
				newStyleSheet.disabled = false;
			}
		}
	} else {
		var outputHTML = '<style type="text/css">\n';
	}
	for(i = 0; i < MTMstyleRules.rules.length; i++) {
		if(MTMUA.DOMable && MTMUA.browserType == "IE") {
			newStyleSheet.addRule(MTMstyleRules.rules[i].selector, MTMstyleRules.rules[i].style);
		} else if(MTMUA.DOMable && MTMUA.browserType == "NN" && newStyleSheet) {
			newStyleSheet.sheet.insertRule((MTMstyleRules.rules[i].selector + " { " + MTMstyleRules.rules[i].style + " } "), newStyleSheet.sheet.cssRules.length);
		} else {
			outputHTML += MTMstyleRules.rules[i].selector + ' {\n' + MTMstyleRules.rules[i].style + '\n}\n';
		}
	}
	
	for(i = 0; i < MTMExtraCSS.rules.length; i++) {
		if(MTMUA.DOMable && MTMUA.browserType == "IE") {
			newStyleSheet.addRule(MTMExtraCSS.rules[i].selector, MTMExtraCSS.rules[i].style);
		} else if(MTMUA.DOMable && MTMUA.browserType == "NN" && newStyleSheet) {
			newStyleSheet.sheet.insertRule((MTMExtraCSS.rules[i].selector + "{" + MTMExtraCSS.rules[i].style + "}"), newStyleSheet.sheet.cssRules.length);
		} else {
			outputHTML += MTMExtraCSS.rules[i].selector + ' {\n' + MTMExtraCSS.rules[i].style + '\n}\n';
		}
	}
	if(MTMFirstRun && MTMUA.DOMable) {
		with(MTMUA.document.body) {
			bgColor = MTMBGColor;
			text = MTMTextColor;
			link = MTMLinkColor;
			vLink = MTMLinkColor;
			aLink = MTMLinkColor;
			if(MTMBackground) {
				background = MTMUA.preHREF + MTMenuImageDirectory + MTMBackground;
			}
		}
	} else if(!MTMUA.DOMable) {
		MTMUA.document.writeln(outputHTML + '</style>');
	}
}

function MTMdisableStyleSheets() {
	if(MTMUA.browserType == "IE") {
		for(i = 0; i < MTMUA.document.styleSheets.length; i++) {
			MTMUA.document.styleSheets(i).disabled = true;
		}
	} else if(MTMUA.browserType == "NN") {
		var myCollection = MTMUA.document.getElementsByTagName('style');
		for(i = 0; i < myCollection.length; i++) {
			myCollection.item(i).disabled = true;
		}
		var myCollection = MTMUA.document.getElementsByTagName('link');
		for(i = 0; i < myCollection.length; i++) {
			if(myCollection.item(i).getAttribute('type') == "text/css") {
				myCollection.item(i).disabled = true;
			}
		}
	}
}

function MTMFetchCookies() {
	var cookieString = getCookie(MTMCookieName);
	if(cookieString == null) {
		setCookie(MTMCookieName, "Say-No-If-You-Use-Confirm-Cookies");
		cookieString = getCookie(MTMCookieName);
		MTMUA.cookieEnabled = (cookieString == null) ? false : true;
		return;
	}

	MTMCookieString = cookieString;
	if(MTMTrackedCookieName) { MTMTrackedCookie = getCookie(MTMTrackedCookieName); }
	MTMUA.cookieEnabled = true;
}

// These are from Netscape's Client-Side JavaScript Guide.
// setCookie() is altered to make it easier to set expiry.

function getCookie(Name) {
	var search = Name + "="
	if (document.cookie.length > 0) { // if there are any cookies
		offset = document.cookie.indexOf(search)
		if (offset != -1) { // if cookie exists
			offset += search.length
			// set index of beginning of value
			end = document.cookie.indexOf(";", offset)
			// set index of end of cookie value
			if (end == -1)
				end = document.cookie.length
			return unescape(document.cookie.substring(offset, end))
		}
	}
}

function setCookie(name, value, daysExpire) {
	if(daysExpire) {
		var expires = new Date();
		expires.setTime(expires.getTime() + 1000*60*60*24*daysExpire);
	}
	document.cookie = name + "=" + escape(value) + (daysExpire == null ? "" : (";expires=" + expires.toGMTString())) + ";path=/";
}