Question

OnBlur / DIV question

Asked by: peh803

Hello Javascript Experts.  

What I want is to be able to have a div show up on a page when a user clicks a button (display=block, this part is no problem), and then when the user clicks anywhere outside the parent div for the div and all child content to go away (onblur).  

So, I have the following code format:
<div onBlur="this.style.display='none';" id="parentDiv" class="parentDiv">
   Stuff in Parent
  <div id="Child1" class="Child1">Stuff in Child 1</div>
  <div id="Child2" class="Child2">Stuff in Child 2</div>
</div>

The problem with this is that when the children get focus, onBlur fires for the parent and the div disappears.  I would like to have the parent div stay visible (display=block) as long as the user is doing anything (clicking) in the parent or any of its children.  Clicking a child should not cause the parent to disappear.  This is my current problem.  

Thank you in advance for your help.

Regards,
Phil / peh803

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Asked On
2006-08-23 at 13:15:51ID21965100
Tags

div

,

onblur

,

javascript

Topic

JavaScript

Participating Experts
2
Points
500
Comments
9

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Answers

 

by: TedInAKPosted on 2006-08-23 at 13:26:06ID: 17375934

Maybe you could use a global var for each child to say "i'm open!".  I'll be back with some code in a bit.

 

by: peh803Posted on 2006-08-23 at 13:28:36ID: 17375959

Okay -- I'm not sure I understand exactly how this would work.  I'll look forward to the sample code (doesn't have to be huge -- just enough to make sure I understand what you mean).  

Thanks,
Phil

 

by: TedInAKPosted on 2006-08-23 at 14:07:33ID: 17376265

Actually, I've bitten off more than I can chew at the moment.  But if you don't get a satisfactory answer in a couple of hours I'll give it a shot.

 

by: pravinasarPosted on 2006-08-23 at 14:14:04ID: 17376329

<html>
<head>
<script language="javascript">
function showhide(evt) {
     if (!evt) { evt = window.event; }
     if (document.all) { trgObj = evt.srcElement; }
     else { trgObj = evt.target; }
     if (!trgObj) { return; }
     if (!trgObj.id) { return; }
     if (trgObj.id != 'parentDiv') {
     document.getElementById('parentDiv').style.display = 'none';
     }
     else {
     trgObj.style.display = 'block';
     }
}
</script>
</head>
<body onclick="showHide(event);">

<div onBlur="this.style.display='none';" id="parentDiv" class="parentDiv">
   Stuff in Parent
  <div id="Child1" class="Child1">Stuff in Child 1</div>
  <div id="Child2" class="Child2">Stuff in Child 2</div>
</div>
</body>
</html>

 

by: peh803Posted on 2006-08-23 at 14:59:49ID: 17376658

@pravinasar:

Thank you for your recommendation.  I will give it a try and get back with you.

Regards,
Phil

 

by: pravinasarPosted on 2006-08-23 at 15:17:28ID: 17376849

Here is a complete example

<html>
<head>
<script language="javascript">
function getParent (src, tgName)
{
     while (src.parentNode != null)
     {
          if (src.parentNode.tagName == tgName)
          {
               return src.parentNode;
          }
          src = src.parentNode;
     }
     return src;
}

function showHide(evt) {
     if (!evt) { evt = window.event; }
     if (document.all) { trgObj = evt.srcElement; }
     else { trgObj = evt.target; }
     if (!trgObj) { return; }
     if (!trgObj.id) {
            document.getElementById('parentDiv').style.display = 'none';
        return;
     }
     if ( (trgObj.tagName == 'DIV') && (trgObj.id != 'parentDiv'))
     {
           var tObj=null;
           tObj =getParent(trgObj, 'DIV');
           if (tObj) { trgObj = tObj; }
     }
     if (trgObj.id != 'parentDiv') {
          document.getElementById('parentDiv').style.display = 'none';
     }
     else {
     trgObj.style.display = 'block';
     }
}
</script>
</head>
<body onclick="showHide(event);">
<style type="text/css">
.parentDiv {
   width: 400px;
   border: solid black;
   height: 400px;
}
</style>
<H1>DOCUMENT Elements will go here.</H1>
<a href="#" onmouseover="document.getElementById('parentDiv').style.display = 'block'; return false;">Show Div</a>
<div id="parentDiv" class="parentDiv">
   Stuff in Parent
  <div id="Child1" class="Child1">Stuff in Child 1</div>
  <div id="Child2" class="Child2">Stuff in Child 2</div>
</div>
<H1>Another documents elements will go here.</H1>
</body>
</html>

 

by: peh803Posted on 2006-08-23 at 18:51:38ID: 17377839

@pravinasar :

Excellent, I believe that this is just what I needed.  

Thanks very much!  A++++.

Regards,
Phil / peh803

 

by: pravinasarPosted on 2006-08-24 at 03:57:27ID: 17380032

You are welcome

_PA

 

by: peh803Posted on 2006-08-24 at 07:57:52ID: 17382107

I have a quick follow-up question on this -- I'd also be happy to open another question if you want me to.

Let's say I want to show the div not onMouseOver, as in the provided example, but instead, onClick of the anchor tag.  Since the body's onClick event is already doing this: showHide(event); I don't believe that simply changing the "onmouseover" to "onclick" will do it (I have tried this, and clicking the link does not seem to work).

So, how can I modify the code slightly to use onclick to show the div initially instead of onMouseOver?

Thanks,
Phil

20120131-EE-VQP-002

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