[Sommaire] [Imprimer]

   1  /*

   2   * FCKeditor - The text editor for Internet - http://www.fckeditor.net

   3   * Copyright (C) 2003-2007 Frederico Caldeira Knabben

   4   *

   5   * == BEGIN LICENSE ==

   6   *

   7   * Licensed under the terms of any of the following licenses at your

   8   * choice:

   9   *

  10   *  - GNU General Public License Version 2 or later (the "GPL")

  11   *    http://www.gnu.org/licenses/gpl.html

  12   *

  13   *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")

  14   *    http://www.gnu.org/licenses/lgpl.html

  15   *

  16   *  - Mozilla Public License Version 1.1 or later (the "MPL")

  17   *    http://www.mozilla.org/MPL/MPL-1.1.html

  18   *

  19   * == END LICENSE ==

  20   *

  21   * Defines the FCKXml object that is used for XML data calls

  22   * and XML processing.

  23   *

  24   * This script is shared by almost all pages that compose the

  25   * File Browser frameset.

  26   */
  27  
  28  var FCKXml = function()
  29  {}
  30  
  31  FCKXml.prototype.GetHttpRequest = function()
  32  {
  33      // Gecko / IE7

  34      if ( typeof(XMLHttpRequest) != 'undefined' )
  35          return new XMLHttpRequest() ;
  36  
  37      // IE6

  38      try { return new ActiveXObject( 'Msxml2.XMLHTTP' ) ; }
  39      catch(e) {}
  40  
  41      // IE5

  42      try { return new ActiveXObject( 'Microsoft.XMLHTTP' ) ; }
  43      catch(e) {}
  44  
  45      return null ;
  46  }
  47  
  48  FCKXml.prototype.LoadUrl = function( urlToCall, asyncFunctionPointer )
  49  {
  50      var oFCKXml = this ;
  51  
  52      var bAsync = ( typeof(asyncFunctionPointer) == 'function' ) ;
  53  
  54      var oXmlHttp = this.GetHttpRequest() ;
  55  
  56      oXmlHttp.open( "GET", urlToCall, bAsync ) ;
  57  
  58      if ( bAsync )
  59      {
  60          oXmlHttp.onreadystatechange = function()
  61          {
  62              if ( oXmlHttp.readyState == 4 )
  63              {
  64                  if ( oXmlHttp.responseXML == null || oXmlHttp.responseXML.firstChild == null)
  65                  {
  66                      alert( 'The server didn\'t send back a proper XML response.\r\n\r\n' +
  67                              'Requested URL: ' + urlToCall + '\r\n' +
  68                              'Response text:\r\n' + oXmlHttp.responseText ) ;
  69                      return ;
  70                  }
  71                  oFCKXml.DOMDocument = oXmlHttp.responseXML ;
  72                  if ( oXmlHttp.status == 200 || oXmlHttp.status == 304 )
  73                      asyncFunctionPointer( oFCKXml ) ;
  74                  else
  75                      alert( 'XML request error: ' + oXmlHttp.statusText + ' (' + oXmlHttp.status + ')' ) ;
  76              }
  77          }
  78      }
  79  
  80      oXmlHttp.send( null ) ;
  81  
  82      if ( ! bAsync )
  83      {
  84          if ( oXmlHttp.status == 200 || oXmlHttp.status == 304 )
  85              this.DOMDocument = oXmlHttp.responseXML ;
  86          else
  87          {
  88              alert( 'XML request error: ' + oXmlHttp.statusText + ' (' + oXmlHttp.status + ')' ) ;
  89          }
  90      }
  91  }
  92  
  93  FCKXml.prototype.SelectNodes = function( xpath )
  94  {
  95      if ( navigator.userAgent.indexOf('MSIE') >= 0 )        // IE
  96          return this.DOMDocument.selectNodes( xpath ) ;
  97      else                    // Gecko
  98      {
  99          var aNodeArray = new Array();
 100  
 101          var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument,
 102                  this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), XPathResult.ORDERED_NODE_ITERATOR_TYPE, null) ;
 103          if ( xPathResult )
 104          {
 105              var oNode = xPathResult.iterateNext() ;
 106               while( oNode )
 107               {
 108                   aNodeArray[aNodeArray.length] = oNode ;
 109                   oNode = xPathResult.iterateNext();
 110               }
 111          }
 112          return aNodeArray ;
 113      }
 114  }
 115  
 116  FCKXml.prototype.SelectSingleNode = function( xpath )
 117  {
 118      if ( navigator.userAgent.indexOf('MSIE') >= 0 )        // IE
 119          return this.DOMDocument.selectSingleNode( xpath ) ;
 120      else                    // Gecko
 121      {
 122          var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument,
 123                  this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), 9, null);
 124  
 125          if ( xPathResult && xPathResult.singleNodeValue )
 126              return xPathResult.singleNodeValue ;
 127          else
 128              return null ;
 129      }
 130  }