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how to make a text box/text area expandable but not scrollable

Posted on 2008-10-03
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Last Modified: 2013-11-19
hi,

our clients wants a comment box that automatically expands vertically as the existing box becomes full, but they don't want scrolling.  is this possible?
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Question by:mmingfeilam
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5 Comments
 
LVL 44

Accepted Solution

by:
scrathcyboy earned 250 total points
ID: 22638856
"is this possible?"

Simply, NO.  You have to specify a width and a height for a text box area, and that is fixed.  But look at RICH TEXT AREA -- it might be able to do what you want, you will have to see, the normal text area cannot do it

www.textarearich.com/
www.dynamicdrive.com/dynamicindex16/richtexteditor/index.htm
www.tcpiq.com/tcpIQ/HTMLRichTextArea/
www.topshareware.com/HTML-Rich-Text-Area-download-1456.htm
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Author Comment

by:mmingfeilam
ID: 22639897
is there any that runs on the server side that allows you to save the format (somehow) to the database along with the content?
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LVL 75

Assisted Solution

by:Michel Plungjan
Michel Plungjan earned 250 total points
ID: 22639902
I do not have one at my disposal but
1. capture input when focussing on existing textbox/hide textbox, show div
2. output keystrokes to div and save in hidden textbox
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Author Comment

by:mmingfeilam
ID: 22888225
mplungjan: can you give me a simple example?
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LVL 75

Expert Comment

by:Michel Plungjan
ID: 22892952
Something like this
<script>
function captureIt(cap,field) {
  if (cap) {
    field.style.display='none'
    document.getElementById('output').style.display='';
    document.onkeydown=function(e){
      e=(e)?e:event;
      if(!e)return 0;
      field.value+=String.fromCharCode(e.keyCode);
      document.getElementById('output').innerHTML=field.value
    }
  }
  else document.onkeydown=null;
}  
</script>
 
<input type="text" onFocus="captureIt(true,this)">
<span id="output" style="display:none"></span>

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