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Diff for /loncom/interface/loncommon.pm between versions 1.564 and 1.565

version 1.564, 2007/08/15 18:03:22 version 1.565, 2007/08/18 00:01:37
Line 1084  sub changable_area { Line 1084  sub changable_area {
   
 =pod  =pod
   
   =item * resize_textarea_js
   
   emits the needed javascript to resize a textarea to be as big as possible
   
   creates a function resize_textrea that takes two IDs first should be
   the id of the element to resize, second should be the id of a div that
   surrounds everything that comes after the textarea, this routine needs
   to be attached to the <body> for the onload and onresize events.
   
   
   =cut
   
   sub resize_textarea_js {
       return <<"RESIZE";
       <script type="text/javascript">
   var Geometry = {};
   function init_geometry() {
       if (Geometry.init) { return };
       Geometry.init=1;
       if (window.innerHeight) {
    Geometry.getViewportHeight = function() { return window.innerHeight; };
       }
       else if (document.documentElement && document.documentElement.clientHeight) {
    Geometry.getViewportHeight = 
       function() { return document.documentElement.clientHeight; };
       }
       else if (document.body.clientHeight) {
    Geometry.getViewportHeight = 
       function() { return document.body.clientHeight; };
       }
   }
   
   function resize_textarea(textarea_id,bottom_id) {
       init_geometry();
       var textarea        = document.getElementById(textarea_id);
       //alert(textarea);
   
       var textarea_top    = textarea.offsetTop;
       var textarea_height = textarea.offsetHeight;
       var bottom          = document.getElementById(bottom_id);
       var bottom_top      = bottom.offsetTop;
       var bottom_height   = bottom.offsetHeight;
       var window_height   = Geometry.getViewportHeight();
       var fudge           = 23; 
       var new_height      = window_height-fudge-textarea_top-bottom_height;
       if (new_height < 300) {
    new_height = 300;
       }
       textarea.style.height=new_height+'px';
   }
   </script>
   RESIZE
   
   }
   
   =pod
   
 =back  =back
     
 =head1 Excel and CSV file utility routines  =head1 Excel and CSV file utility routines
Removed from v.1.564  
changed lines
  Added in v.1.565

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