joomla 創建drop down menu
May 22nd, 2010
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原本想用jQuery tools 來做menu,懶人法則,但是發現Joomla 已經用了mootools,因此用jQuery會有衝突,於是再尋找懶人法則,找到了個不錯的方法
首先上http://de.siteof.de/extended-menu.html 下載module,Extensions =>install & uninstall=> 選擇下載了的extended-menu,上載安裝
安裝成功後,入Extensions =>Module Manager,找到Extended Menu,進入設定,按下面設定
Menu Class Suffix: mainnav (這個名字是因為在javascript 時會用到)
Menu Style: Tree List
Expand Menu: Yes
Menu name:topmenu (其實就是選擇你要顯示的menu)
記得要Enabled這個module
儲存好後,接著把下面的css 複製到你的主題(template)的css 文件裡
#twocols{ /*the columns that gets dropped down over yours might be different*/ z-index:20; } #leftcol{ /*the columns that gets dropped down over yours might be different*/ z-index:10; } .moduletablemainnav { /* I have absolutely positioned the module, you might have a different scheme*/ position:absolute; top:187px; left:20px; z-index:100; font:0.9em Verdana, Arial, Helvetica, sans-serif; margin:0; padding:0; } #mainlevelmainnav,#mainlevelmainnav ul { float:left; list-style:none; line-height:1em; background:transparent; font-weight:700; margin:0; padding:0; } #mainlevelmainnav a { display:block; color:#f90; text-decoration:none; margin-right:15px; padding:0.3em; } #mainlevelmainnav li { float:left; padding:0; } #mainlevelmainnav li ul { position:absolute; left:-999em; height:auto; width:11em; font-weight:400; background:#36f; border:#00C 1px solid; margin:0; } #mainlevelmainnav li li { width:11em; } #mainlevelmainnav li ul a { width:11em; color:#fff; font-size:0.9em; line-height:1em; font-weight:400; } #mainlevelmainnav li:hover ul ul,#mainlevelmainnav li:hover ul ul ul,#mainlevelmainnav li.sfhover ul ul,#mainlevelmainnav li.sfhover ul ul ul{ left:-999em; } #mainlevelmainnav li:hover ul,#mainlevelmainnav li li:hover ul,#mainlevelmainnav li li li:hover ul,#mainlevelmainnav li.sfhover ul,#mainlevelmainnav li li.sfhover ul,#mainlevelmainnav li li li.sfhover ul { left:auto; z-index:6000; } #mainlevelmainnav li li:hover,#mainlevelmainnav li li.sfhover { background:#039 url(../images/soccerball.gif) 98% 50% no-repeat; }
css完成後,就可以加上下面的javascript放到 主題的index.php 的<head></head>裡面
<script type="text/javascript"><!--//--><![CDATA[//><!-- sfHover = function() { var sfEls = document.getElementById("mainlevelmainnav").getElementsByTagName("LI"); for (var i=0; i<sfEls.length; i++) { sfEls[i].onmouseover=function() { this.className+=" sfhover"; } sfEls[i].onmouseout=function() { this.className=this.className.replace(new RegExp(" sfhover\\b"), ""); } } } if (window.attachEvent) window.attachEvent("onload", sfHover); //--><!]]></script>
上面的getElementById裡面的mainlevelmainnav,就是剛才定的,前面mainlevel是系統的東西。
保存完畢後,就可以到主頁看看,css可以自己更改,這個很多網站都有提供配色,可以參考下。
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