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   1  /*

   2  Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.

   3  For licensing, see LICENSE.html or http://ckeditor.com/license

   4  */
   5  
   6  // This file is not required by CKEditor and may be safely ignored.

   7  // It is just a helper file that displays a red message about browser compatibility

   8  // at the top of the samples (if incompatible browser is detected).

   9  
  10  if ( window.CKEDITOR )
  11  {
  12      (function()
  13      {
  14          var showCompatibilityMsg = function()
  15          {
  16              var env = CKEDITOR.env;
  17  
  18              var html = '<p><strong>Your browser is not compatible with CKEditor.</strong>';
  19  
  20              var browsers =
  21              {
  22                  gecko : 'Firefox 2.0',
  23                  ie : 'Internet Explorer 6.0',
  24                  opera : 'Opera 9.5',
  25                  webkit : 'Safari 3.0'
  26              };
  27  
  28              var alsoBrowsers = '';
  29  
  30              for ( var key in env )
  31              {
  32                  if ( browsers[ key ] )
  33                  {
  34                      if ( env[key] )
  35                          html += ' CKEditor is compatible with ' + browsers[ key ] + ' or higher.';
  36                      else
  37                          alsoBrowsers += browsers[ key ] + '+, ';
  38                  }
  39              }
  40  
  41              alsoBrowsers = alsoBrowsers.replace( /\+,([^,]+), $/, '+ and $1' );
  42  
  43              html += ' It is also compatible with ' + alsoBrowsers + '.';
  44  
  45              html += '</p><p>With non compatible browsers, you should still be able to see and edit the contents (HTML) in a plain text field.</p>';
  46  
  47              var alertsEl = document.getElementById( 'alerts' );
  48              alertsEl && ( alertsEl.innerHTML = html );
  49          };
  50  
  51          var onload = function()
  52          {
  53              // Show a friendly compatibility message as soon as the page is loaded,

  54              // for those browsers that are not compatible with CKEditor.

  55              if ( !CKEDITOR.env.isCompatible )
  56                  showCompatibilityMsg();
  57          };
  58  
  59          // Register the onload listener.

  60          if ( window.addEventListener )
  61              window.addEventListener( 'load', onload, false );
  62          else if ( window.attachEvent )
  63              window.attachEvent( 'onload', onload );
  64      })();
  65  }