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Closing  a hidden div

Posted on 2009-07-13
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Last Modified: 2012-05-07
Hello everyone,
I am sure this is an easy one but for some reason I am not able to get this to work. I have a serious of hidden divs that I created a link to show/hide each of the divs. I want to be able to add a close link inside the div so users can close the div. When I do it doesn't seem to close it properly. Any help would be greatly appreciated.

Link to open the div:
<a href="#" onClick="document.getElementById('details').style.display='';  document.getElementById('details').style.visibility=''; document.getElementById('comment').style.display='none'; document.getElementById('delete').style.display='none'"><img src="../../../_resources/images/icons/archive.gif" alt="View Details" style="border:none"/></a>

Div:
<Div id="details" onclick="document.getElementById('details').style.display=''" style="display:none; border: solid;">
 <Div align="right" style="margin:10px;">&nbsp;&nbsp;
 <a href="#" onclick="document.getElementById('details').style.display='none';return false;"><strong>Close:&nbsp;x</strong></a><BR />Just a test</Div></Div>


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Question by:smart2009
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7 Comments
 
LVL 12

Accepted Solution

by:
Chad Haney earned 1500 total points
ID: 24842884
Try this.

function toggle(id){
      var element = document.getElementById(id);
      if(element.style.display=="none"){
             element.style.display="block";
      }else{
             element.style.display="none";
      }
}
 
/*Then use the onclick="toggle('details');
 
This will allow you to use one command to flip back and forth between the display none/block.
 
for your close do similar to this*/
 
<a href="javascript:void 0" onclick="toggle('details')">Open/Close</a>
<div id="details" style="display:none;">
<a href="javascript:void 0" onclick="toggle('details')">Close</a>
</div>

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0
 
LVL 4

Expert Comment

by:jamesbcox1980
ID: 24843092
You only need

document.getElementById('details').style.display='none';

Setting it to nothing simply removes the attribute.  You also don't need to set visibility. "display" is all you need.

I actually like the little code that toggles it rather than two separate links.  Here's how it works.  First, anytime you check for a CSS attribute using javascript, you must set one in the inline style, like I did below, using style="display: none".  Here we are toggling "display" so that's what we set.

We are going to use the ?: operator, which works like this.
variable = (condition) ? this if true : this if false

We are setting something (variable or attribute) depending on whether or not a condition is true.

If the display is already set to 'none', we are going to set it to 'block', and if not, we are setting it back to 'none'.
<a href="javascript: void(0)" onclick="document.getElementById('details').style.display=document.getElementById('details').style.display=='none'?'block':'none';">toggle</a>
<div id="details" class="hidden_details" style="display: none;">
    Some info.<br />
    Some info.<br />
    Some info.<br />
    Some info.<br />
    Some info.<br />
</div>

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0
 

Author Comment

by:smart2009
ID: 24843624
jamesbcox1980: How would this work with multiple divs I assume I would need to change the Element ID to the name of the new div like this?

&nbsp;&nbsp;<a href="javascript: void(0)" onclick="document.getElementById('details').style.display=document.getElementById('details').style.display=='none'?'block':'none';"><img src="../../../_resources/images/icons/archive.gif" alt="Post a Comment" style="border:none"/></a>


&nbsp;&nbsp;<a href="javascript: void(0)" onclick="document.getElementById('comment').style.display=document.getElementById('comment').style.display=='none'?'block':'none';"><img src="../../../_resources/images/icons/comment.gif" alt="Post a Comment" style="border:none"/></a>


&nbsp;&nbsp;<a href="javascript: void(0)" onclick="document.getElementById('delete').style.display=document.getElementById('delete').style.display=='none'?'block':'none';"><img src="_resources/images/icon/trash.jpg" alt="Delete Record" style="border:none"/></a>

Then use divs like this?
<Div id="details" class="hidden_details" style="display: none; border: solid;"><Div align="right" style="margin:10px;">&nbsp;&nbsp;  <a href="#" onclick="document.getElementById('details').style.display='none';return false;"><strong>Close:&nbsp;x</strong></a><BR /></Div> Details Div</Div>

<Div id="comment" class="hidden_comment" style="display: none; border: solid;"><Div align="right" style="margin:10px;">&nbsp;&nbsp;  <a href="#" onclick="document.getElementById('details').style.display='none';return false;"><strong>Close:&nbsp;x</strong></a><BR /></Div> Comment Div</Div>

<Div id="delete" class="hidden_delete" style="display: none; border: solid;"><Div align="right" style="margin:10px;">&nbsp;&nbsp;  <a href="#" onclick="document.getElementById('details').style.display='none';return false;"><strong>Close:&nbsp;x</strong></a><BR /></Div> Delete Div</Div>



At first this appears to work but after a couple clicks between the links at the first part I start getting a blank space almost like the div was there just not visible. Any ideas?

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LVL 4

Expert Comment

by:jamesbcox1980
ID: 24844125
Yes that is correct, you would need to have a different ID for each link attached to a DIV.  You can create a function to make less typing, and that function can include an argument that contains the ID, they way dachusa showed it.  His function does precisely what mine does, but mine is less typing.

There's all kinds of stuff you could do using nextSibling.  You wouldn't even need to specify an id.  This really depends on the link being right before the DIV you want to hide, with no whitespace at all, so keep that in mind when you're trying to adjust it to your purposes.
<script type="text/javascript">
function toggleDiv(elem)
{
    elem.style.display=elem.style.display=='none'?'block':'none';
}
</script>
 
<table cellpadding="10" cellspacing="0" border="0">
    <tbody>
        <tr>
            <td>
<!-- I didn't move the DIV to the next line here so the the "nextSibling" would not be interpreted as a space or line break -->
                <a href="javascript: void(0)" onclick="toggleDiv(this.nextSibling)">toggle 1</a><div style="display: none;">
                    Some info.<br />
                    Some info.<br />
                    Some info.<br />
                    Some info.<br />
                    Some info.<br />
                    Some info.<br />
                </div>
            </td>
            <td>
                <a href="javascript: void(0)" onclick="toggleDiv(this.nextSibling)">toggle 1</a><div style="display: none;">
                    Some info.<br />
                    Some info.<br />
                    Some info.<br />
                    Some info.<br />
                    Some info.<br />
                    Some info.<br />
                </div>
            </td>
        </tr>
    </tbody>
</table>

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0
 
LVL 4

Expert Comment

by:jamesbcox1980
ID: 24844149
I just saw that you are using "return false".  That may be what's causing the problem
0
 
LVL 4

Expert Comment

by:jamesbcox1980
ID: 24844161
Also, all your other Close X links are pointing to the "Details" div
0
 

Author Comment

by:smart2009
ID: 24844266
Ok I think I got it going with what dachusa: had posted and I don't get the mysterious random blank space. I would like to thank you both for your help.
0

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