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Thread: CSS menu with onclick instead of hover

  1. #1
    Join Date
    Aug 2009
    Posts
    20

    CSS menu with onclick instead of hover

    Hi all,

    I have created a simple css menu, which opens the submenu when the mouse hovers over the menu items. This goes a little too fast, so I want to change it into a click (onMouseUp I suppose) so the submenu items appear when one of the menu items is clicked. Is it possible with css to achieve this?

    My css code:
    Code:
    #menu li {list-style-type: none;}
    #menu li a {text-decoration: none; color: #000000;}
    #menu ul li:hover {position:relative; list-style-image:url(images/list1.png);}
    #menu ul { line-height: 35px; font-size: 22px;}
    
    /*submenu*/
    #menu ul ul {
    	display: none;
    	position: relative;
    	line-height: 24px;
    	font-size: 18px;
    	list-style: disc;
    }
    #menu ul li:hover ul {display:block;}

  2. #2
    Join Date
    Apr 2003
    Location
    Netherlands
    Posts
    21,654
    No. Use JavaScript to alter the css and add event handlers.
    At least 98% of internet users' DNA is identical to that of chimpanzees

  3. #3
    Join Date
    Mar 2010
    Posts
    2,803
    Quote Originally Posted by Cyroq View Post
    Is it possible with css to achieve this?
    Not as far as I know.

    Maybe use something like this as a guide using an onclick event handler.

    PHP Code:
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"
    >
    <
    html xmlns="http://www.w3.org/1999/xhtml">
    <
    head>
    <
    title></title>
    <
    style type="text/css">
    <!--

    ul {
    margin0px 0px 0px 0px;
    padding0px 0px 0px 0px;
    list-
    style-typenone}
     
    .
    mainMenus li {
    positionrelative}
     
    .
    subMenus {
    displaynone;
    positionabsolute;
    top0px;
    left120px}
     
    -->
    </
    style>
    <
    script type="text/javascript">
    <!--
     
    window.onload=function() {
     
    subMenusO getElementsByClassName(document,'ul','subMenus');
    }
    //-----------------------------------------------------------
     
    function showSubMenu(elemId) {
     var 
    dispStatus = (document.getElementById(elemId).style.display == 'block')? 'none' 'block';
     
    //hide any visible submenus
     
    for(var i=0subMenusO.lengthi=i+1) {
         
    subMenusO[i].style.display 'none';
        }
        
    //show/hide this menu id
        
    document.getElementById(elemId).style.display dispStatus;
    }
    //--------------------------------------------------------------------------

    function getElementsByClassName(oElmstrTagNamestrClassName){
        var 
    arrElements = (strTagName == "*" && oElm.all)? oElm.all oElm.getElementsByTagName(strTagName);
        var 
    arrReturnElements = new Array();
        
    strClassName strClassName.replace(/\-/g"\\-");
        var 
    oRegExp = new RegExp("(^|\\s)" strClassName "(\\s|$)");
        var 
    oElement;
        for(var 
    i=0i<arrElements.lengthi++)
        {
            
    oElement arrElements[i];
            if(
    oRegExp.test(oElement.className))
            {
                
    arrReturnElements.push(oElement);
            }
        }
        return (
    arrReturnElements)
    }
     
    //-->
    </script>

    </head>
    <body>
    <ul class="mainMenus">
        <li onclick='showSubMenu("sm_item1")'> 
         Main menu 1
              <ul class="subMenus" id="sm_item1" >
                     <li>Sub menu 1 item 1</li>
                     <li>Sub menu 1 item 2</li>
                     <li>Sub menu 1 item 3</li>
                     <li>Sub menu 1 item 4</li>
              </ul>
        </li>
        <li onclick='showSubMenu("sm_item2")'> 
         Main menu 2
                <ul class="subMenus" id="sm_item2">
                      <li>Sub menu 2 item 1</li>
                       <li>Sub menu 2 item 2</li>
                 </ul>
        </li>
    </ul>
    </body>
    </html> 

  4. #4
    Join Date
    Aug 2009
    Posts
    20
    Thanks a lot! Your code works fine to me, with some tweaks

  5. #5
    Join Date
    Mar 2010
    Posts
    2,803
    no problem - you're welcome

  6. #6
    Join Date
    Aug 2009
    Posts
    20
    Hmm, I spoke too soon. When testing offline, everything works fine. When I test it online (in Internet Explorer and Chrome) it 'blocks' other code that I use for a simple lightbox. The page jumps to the top but no lightbox appears. Internet Explorer also shows an error: 'subMenusO' is undefined.

    This is the code for the lightbox, if it helps you.
    Code:
    var curr_lb_div; 
    var is_modal = false; 
    	 
    function ShowLightBox(lb_div, isModal) 	{ 
    	    document.getElementById(lb_div).style.display='block'; 
    	    document.getElementById('fade').style.display='block'; 
    	    curr_lb_div = lb_div; 
    	    if (isModal) 
    	        is_modal = true; 
    	    else is_modal = false; 
    	} 
    	 
    function HideLightBox() { 
    	    if (document.getElementById(curr_lb_div)) 	    { 
    	         document.getElementById(curr_lb_div).style.display='none'; 
    	         document.getElementById('fade').style.display='none'; 
    	         curr_lb_div = ''; 
    	    } 
    	}
    Do you know what could be the problem?


    EDIT: I noticed some other code also uses window.onload, so I merged them together. Now IE doesn't show the error anymore, but the lightbox still isn't showing...
    Or shall I move this topic to the Javascript section?
    Last edited by Cyroq; 08-29-2010 at 08:22 AM.

  7. #7
    Join Date
    Aug 2009
    Posts
    20
    Nevermind, I solved it! I don't know how, but I guess something went wrong with uploading the files.

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