RE: [flexcoders] LinkBar question

Fri, 24 Jun 2005 05:53:52 -0700

Thanks for the distinction.  Here below a revised version of what I proposed.  As I was only changing the color property, the link was not really disabled ;)
However, it would have been nice to have the 'lastSelectedIndex' property in the component (I guess in ViewStack)
 
<?xml version="1.0"?>
  <mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml" backgroundColor="#DEDEDE">
    <mx:Script>
 <![CDATA[
  function doLinkBar(event){
  for(var i=0; i<event.target.numChildren; i++){
   event.target.getChildAt(i).enabled = i==event.index ? false : true;
  }
 }
 ]]>
 </mx:Script>
 <mx:LinkBar dataProvider="{['Flex','Flash','Director']}" click="doLinkBar(event)" disabledColor="#FF0000"/>
 </mx:Application>
 
Philippe Maegerman

From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Manish Jethani
Sent: vendredi 24 juin 2005 13:56
To: [email protected]
Subject: Re: [flexcoders] LinkBar question

On 6/23/05, Philippe Maegerman <[EMAIL PROTECTED]> wrote:

> It seems to work when the ViewStack is the dataProvider, but not when using
> the LinkBar alone, bug or wish ? :)

The LinkBar disables the "selected link" only when it is connected to
a ViewStack.  For the non-ViewStack case, there's no "selected link"
(you can keep clicking on the same one -- the idea is to invoke a
function like Add or Remove or Visit google.com or something).

If however you want to make it behave like there's only one selected
link at a time, see this example (yeah, so you have to write some
code):

<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml"
  xmlns="*">
  <mx:LinkBar disabledColor="#FF0000"
    dataProvider="{['1', '2', '3']}"
    click="enableDisableLink(event.target, event.index)"
    creationComplete="enableDisableLink(event.target, 0)" />
  <mx:Script>
    import mx.containers.LinkBar;

    private var lastSelectedIndex:Number;

    public function enableDisableLink(linkBar:LinkBar, index:Number):Void
    {
      linkBar.getChildAt(lastSelectedIndex).enabled = true;
      linkBar.getChildAt(index).enabled = false;
      lastSelectedIndex = index;
    }
  </mx:Script>
</mx:Application>


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