skins/common/metadata.js

   1 // Exif metadata display for MediaWiki file uploads
   2 //
   3 // Add an expand/collapse link and collapse by default if set to
   4 // (with JS disabled, user will see all items)
   5 //
   6 // attachMetadataToggle("mw_metadata", "More...", "Fewer...");
   7
   8
   9 function attachMetadataToggle(tableId, showText, hideText) {
  10         if (document.createTextNode) {
  11                 var box = document.getElementById(tableId);
  12                 if (!box)
  13                         return false;
  14
  15                 var tbody = box.getElementsByTagName('tbody')[0];
  16
  17                 var row = document.createElement('tr');
  18
  19                 var col = document.createElement('td');
  20                 col.colSpan = 2;
  21
  22                 var link = document.createElement('a');
  23                 link.href = '#';
  24
  25                 link.onclick = function() {
  26                         if (box.className == 'mw_metadata collapsed') {
  27                                 changeText(link, hideText);
  28                                 box.className = 'mw_metadata expanded';
  29                         } else {
  30                                 changeText(link, showText);
  31                                 box.className = 'mw_metadata collapsed';
  32                         }
  33                         return false;
  34                 }
  35
  36                 var text = document.createTextNode(hideText);
  37
  38                 link.appendChild(text);
  39                 col.appendChild(link);
  40                 row.appendChild(col);
  41                 tbody.appendChild(row);
  42
  43                 // And collapse!
  44                 link.onclick();
  45
  46                 return true;
  47         }
  48         return false;
  49 }