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Thread: Make buttons highlight when selected

  1. #1
    Join Date
    May 2008
    Posts
    302

    Make buttons highlight when selected

    Hi please see

    robofight.com/test/

    when i click a button to go to a page, i want that button to stay highlighted. (so whichever page i am on, i want that button highlighted). how can I do that?

  2. #2
    Join Date
    Dec 2005
    Location
    TX
    Posts
    7,931
    How about showing the code you are having problems with?

  3. #3
    Join Date
    Mar 2011
    Posts
    81
    Quote Originally Posted by ketanco View Post
    Hi please see

    robofight.com/test/

    when i click a button to go to a page, i want that button to stay highlighted. (so whichever page i am on, i want that button highlighted). how can I do that?
    I'm new to Javascript and I've got something working great. Here is the basic concept on how I do what you are asking.

    All my buttons are divs.

    Code:
    var button1 = document.createElement('div');
    var button2 = document.createElement('div');
    var button3 = document.createElement('div');
    when I want to highlight one of those I just set the sytle different, like it's background image or it's background color this way:

    Code:
    button2.setAttribute("style", "background-image:highlightedButton.png")
    All the others get the regular button png this:

    Code:
    button2.setAttribute("style", "background-image:button.png")
    I add them to a main div using appendChild like this:

    Code:
    mainDiv.appendChild(button2)
    Then I finally add the main div to the body which causes the page to be drawn:

    Code:
    body.appendChild(mainDiv)
    Now, for keeping the page aligned with a button, like you want. I attach my event to buttons they know the page they turn to because of this code: ( you must add the events before you add mainDiv to body)

    Code:
    button.setAttribute("onclick", "changePage(buttonsPage)")
    When the mainDiv is added to the body element the page is redrawn and the highlighted button gets a different background. It's event is set to specific page.

    The changePage function actuall removes the old main div and adds the new div you create each time there is a button click. It looks something like this:
    Code:
    function changePage(highlightedPage)
    {
        
        var oldButtonBar = document.getElementById("buttonBar");
        
        var newButtonBar = buttonBarDivFunction("buttonBar", highlightedPage)  // events added inside this div function
    
        newButtonBar.appendChild(mainDiv(newButtonBar))
        
        var body = document.getElementsByTagName("body")[0];
     
        body.removeChild(oldButtonBar);
        
        body.appendChild(newButtonBar);
    }
    Last edited by misfitplanet; 04-07-2011 at 09:09 PM.

  4. #4
    Join Date
    Dec 2005
    Location
    TX
    Posts
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    From where can I access your button images / color schemes?

  5. #5
    Join Date
    Dec 2005
    Location
    TX
    Posts
    7,931

    Lightbulb Something to try ...

    Here's a version without the images.
    You should be able to add them to the CSS command structure from the example.
    Code:
    <html>
    <head>
    <title> DIV Buttons </title>
    <script type="text/javascript">
    // From: http://www.webdeveloper.com/forum/showthread.php?p=1148532#post1148532
    
    function selectBtn(IDS) {
      var sel = document.getElementById('DIVbtns').getElementsByTagName('div');
      for (var i=0; i<sel.length; i++) {
    	sel[i].style.backgroundColor = "yellow";
      }
      document.getElementById(IDS).style.backgroundColor = 'cyan';
    }
    
    </script>
    <style type="text/css">
      .btnDIV { height:50px; width:100px; border:1px solid black; }
      #button1 { background-Color: yellow; }
      #button2 { background-Color: yellow; }
      #button3 { background-Color: yellow; }
    </style>
    </head>
    <body>
    
    <div id="DIVbtns">
    <div id="button1" class="btnDIV" onclick="selectBtn(this.id)">Button 1</div><br>
    <div id="button2" class="btnDIV" onclick="selectBtn(this.id)">Button 2</div><br>
    <div id="button3" class="btnDIV" onclick="selectBtn(this.id)">Button 3</div>
    </div>
    
    </body>
    </html>

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