Question

Expand the item to the next level when clicked on the + sign

Asked by: paul_lau2828

I want to click on the + sign it then expect to the next level. For example,

+ Vikki Pali (Current Review)         <==== When I click on the + sign it shows below

- Vikki Pali (Current Review)
   - Previous Review


Look like a menu structure.
Would anyone give me so idea how to do in ASP (JavaScript)? Giving me some sample codes are greatly appricated.

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Asked On
2004-10-05 at 00:05:09ID21156005
Tags

asp

Topic

Active Server Pages (ASP)

Participating Experts
3
Points
250
Comments
9

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Answers

 

by: appariPosted on 2004-10-05 at 01:11:35ID: 12224638

check this link, can see working example and code.
http://www.mattkruse.com/javascript/mktree/index.html

 

by: appariPosted on 2004-10-05 at 01:15:48ID: 12224655

 

by: dwaldnerPosted on 2004-10-05 at 08:35:12ID: 12227759

I always found this pretty easy to do.  Try doing this:

<script language="javascript">
  function hideUnhide(idName)
{
  var itemGiven = document.getElementById(idName);
  if (itemGiven.style.display == "none")
  {
     itemGiven.style.display = "inline";
  }
  else
  {
    itemGiven.style.display = "none";
  }
}
</script>

<a href="javascript: hideUnhide('foo'); void(0);">Click here to unhide</a> Vikki Pali<BR>
<div style="display : none;" id="foo">
  All the text and display you want to show
</div>

Try putting this in your code, and it should provide you with a basis for doing what you want.  Instead of the "Click here to unhide" you can put in some image of a plus box and a minus box, and put in some code to make it shift for you from one to another.  I do this throughout my websites.

Regards,

D

 

by: paul_lau2828Posted on 2004-10-05 at 16:36:07ID: 12232636

Thankyou appari & dwalder.
Do you know any web sites I can download the image files such as plus and minus sign?

 

by: appariPosted on 2004-10-05 at 18:21:21ID: 12233143

you can find them in this page(Source tab on the link in my first post)
http://www.mattkruse.com/javascript/mktree/source.html

The original source file (6k)
Right-click and "Save As" to download this file: mktree.js or copy and paste the text from below.

NOTE: You also need to download mktree.css, plus.gif, minus.gif, bullet.gif

 

by: paul_lau2828Posted on 2004-10-05 at 18:49:44ID: 12233219

Thankyou so much appari.
Basically I get the expanded/collapsed work.
But I still have a problem associated with the empty line something related to the <li>

Below are an example.

+ Vikki Bill           <-- When I clicks on the + sign, it expands but it displays double lines like below


- Vikki Bill

    - Previous Review


====
What I want is
====

- Vikki Bill
   - Previous Review

=====
Please shed the light why to cause a double lines  as I have already spent 4 hours and dont find a solution for that.
Below my codes


<script language="JavaScript" type="text/JavaScript">
<!-- Define images used for expanded and collapsed the tree
img1=new Image();
img1.src="Image/plus.gif";
img2=new Image();
img2.src="Image/minus.gif";
ns6_index=0;
//-->

function change(e){
  if(!document.all&&!document.getElementById) return
  if (!document.all&&document.getElementById) ns6_index=1

  var source=document.getElementById&&!document.all? e.target:event.srcElement
  if (source.className=="folding"){
     var source2=document.getElementById&&!document.all? source.parentNode.childNodes:source.parentElement.all
     if (source2[2+ns6_index].style.display=="none"){
        source2[0].src="Image/minus.gif"
        source2[2+ns6_index].style.display=''
     }
     else{
      source2[0].src="Image/plus.gif"
      source2[2+ns6_index].style.display="none"
     }
  }
}
document.onclick=change
</script>

</head>
<style>
a:hover{color:red}
a{text-decoration:none}
.folding{cursor:hand}
ul li{list-style-type:upper-Arial;font-size:12px;list-style-position:inherit;margin-bottom:1em;}
</style>


<body>

       <tr>
          <td><div align="left"> <a href="ViewAppraisalForm.asp?employee_no=<%= FmyEmployeeNo %>"></a></div>
          <div><img src="Image/plus.gif" class="folding" width="20" height="20">
                          <%= Response.Write(FmyEmployeeName)%></a>
              <ul style="list-style-image:url(Image/list.gif);display:none">
                 <li><a href="ViewAppraisalForm.asp">Previous Review</a></li>
              </ul>
          </div>
        </td>


===
I think the problem is related to the <li> and <style> but I really have no idea how to get rid of the double lines
Please help.

 

by: pratcpPosted on 2004-10-06 at 09:16:50ID: 12239241

<%= Response.Write(FmyEmployeeName)%></a>

Take off the = sign before response.write

 

by: paul_lau2828Posted on 2004-10-06 at 16:31:24ID: 12243851

stiil doesn't work. Please

See below codes

<script language="JavaScript" type="text/JavaScript">
<!-- Define images used for expanded and collapsed the tree
img1=new Image();
img1.src="Image/plus.gif";
img2=new Image();
img2.src="Image/minus.gif";
ns6_index=0;
//-->

function change(e){
  if(!document.all&&!document.getElementById) return
  if (!document.all&&document.getElementById) ns6_index=1

  var source=document.getElementById&&!document.all? e.target:event.srcElement
  if (source.className=="folding"){
     var source2=document.getElementById&&!document.all? source.parentNode.childNodes:source.parentElement.all
     if (source2[2+ns6_index].style.display=="none"){
        source2[0].src="Image/minus.gif"
        source2[2+ns6_index].style.display=''
     }
     else{
      source2[0].src="Image/plus.gif"
      source2[2+ns6_index].style.display="none"
     }
  }
}
document.onclick=change
</script>



<style>
ul li{list-style-type:upper-Arial;font-size:12px;list-style-position:inherit;margin-bottom:1em;height:15}
</style>

       <tr>
          <td><div align="left"> <a href="ViewAppraisalForm.asp?employee_no=<% FmyEmployeeNo %>"></a></div>
          <div><img src="Image/plus.gif" class="folding" width="20" height="20"><% Response.Write(FmyEmployeeName)%></a>
              <ul style="list-style-image:url(Image/list.gif);display:none">
                 <li><a href="ViewAppraisalForm.asp">Previous Review</a></li>
            </ul>
          </div>
         </td>

===
Do I need to change the style to overcome this problem?
===

 

by: paul_lau2828Posted on 2004-10-06 at 17:47:50ID: 12244540

I work it out by myself. It uses
style.display="inline"

20120131-EE-VQP-002

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