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   1  /**
   2    * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/) 
   3    * Copyright (C) 2002-2007 The Nucleus Group
   4    *
   5    * This program is free software; you can redistribute it and/or
   6    * modify it under the terms of the GNU General Public License
   7    * as published by the Free Software Foundation; either version 2
   8    * of the License, or (at your option) any later version.
   9    * (see nucleus/documentation/index.html#license for more info)
  10    *
  11    *    Javascript code to hide empty textareas when editing templates.
  12    *
  13    * @require compatibility.js
  14    *
  15    * $Id: templateEdit.js 1116 2007-02-03 08:24:29Z kimitake $
  16    */
  17  
  18  var amountOfFields = 1;
  19  var editText = 'empty field (click to edit)';
  20  
  21  function hideUnused() {
  22      while (document.getElementById('textarea' + amountOfFields)) 
  23          amountOfFields++;
  24      amountOfFields--;
  25  
  26      for (var i=1;i<=amountOfFields;i++) {
  27          var el = document.getElementById('textarea' + i);
  28  
  29          // hide textareas when empty, and add onclick event
  30          // to make them visible again
  31          if (el.value == '') {
  32              el.style.display = 'none';
  33              var tdEl = document.getElementById('td' + i);
  34              
  35              var aHref = createElement('a');
  36              aHref.href = '';
  37              aHref.className = "expandLink";
  38              aHref.id = "expandLink" + i;
  39              aHref.onclick = new Function("return makeVisible("+i+")");
  40              aHref.tabIndex = el.tabIndex;
  41              aHref.title = editText;
  42              aHref.appendChild(document.createTextNode(editText));
  43  
  44              tdEl.appendChild(aHref);
  45              
  46          }
  47      }
  48  
  49  }
  50  
  51  function setTemplateEditText(newText) {
  52      editText = newText;
  53  }
  54  
  55  function makeVisible(i) {
  56      var textareaEl = document.getElementById('textarea' + i);
  57      var expandEl = document.getElementById('expandLink' + i);
  58  
  59      textareaEl.style.display = 'block';
  60      expandEl.style.display = 'none';
  61  
  62      textareaEl.focus();
  63      return false;
  64  }
  65  
  66  window.onload = hideUnused;