1 | /*
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2 | * FCKeditor - The text editor for internet
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3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben
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4 | *
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5 | * Licensed under the terms of the GNU Lesser General Public License:
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6 | * http://www.opensource.org/licenses/lgpl-license.php
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7 | *
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8 | * For further information visit:
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9 | * http://www.fckeditor.net/
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10 | *
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11 | * "Support Open Source software. What about a donation today?"
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12 | *
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13 | * File Name: fckxml.js
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14 | * Defines the FCKXml object that is used for XML data calls
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15 | * and XML processing.
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16 | * This script is shared by almost all pages that compose the
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17 | * File Browser frameset.
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18 | *
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19 | * File Authors:
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20 | * Frederico Caldeira Knabben (fredck@fckeditor.net)
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21 | */
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22 |
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23 | var FCKXml = function()
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24 | {}
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25 |
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26 | FCKXml.prototype.GetHttpRequest = function()
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27 | {
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28 | // Gecko / IE7
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29 | if ( typeof(XMLHttpRequest) != 'undefined' )
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30 | return new XMLHttpRequest() ;
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31 |
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32 | // IE6
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33 | try { return new ActiveXObject("Msxml2.XMLHTTP") ; }
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34 | catch(e) {}
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35 |
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36 | // IE5
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37 | try { return new ActiveXObject("Microsoft.XMLHTTP") ; }
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38 | catch(e) {}
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39 | }
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40 |
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41 | FCKXml.prototype.LoadUrl = function( urlToCall, asyncFunctionPointer )
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42 | {
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43 | var oFCKXml = this ;
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44 |
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45 | var bAsync = ( typeof(asyncFunctionPointer) == 'function' ) ;
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46 |
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47 | var oXmlHttp = this.GetHttpRequest() ;
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48 |
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49 | oXmlHttp.open( "GET", urlToCall, bAsync ) ;
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50 |
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51 | if ( bAsync )
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52 | {
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53 | oXmlHttp.onreadystatechange = function()
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54 | {
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55 | if ( oXmlHttp.readyState == 4 )
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56 | {
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57 | oFCKXml.DOMDocument = oXmlHttp.responseXML ;
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58 | if ( oXmlHttp.status == 200 || oXmlHttp.status == 304 )
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59 | asyncFunctionPointer( oFCKXml ) ;
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60 | else
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61 | alert( 'XML request error: ' + oXmlHttp.statusText + ' (' + oXmlHttp.status + ')' ) ;
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62 | }
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63 | }
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64 | }
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65 |
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66 | oXmlHttp.send( null ) ;
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67 |
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68 | if ( ! bAsync )
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69 | {
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70 | if ( oXmlHttp.status == 200 || oXmlHttp.status == 304 )
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71 | this.DOMDocument = oXmlHttp.responseXML ;
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72 | else
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73 | {
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74 | alert( 'XML request error: ' + oXmlHttp.statusText + ' (' + oXmlHttp.status + ')' ) ;
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75 | }
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76 | }
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77 | }
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78 |
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79 | FCKXml.prototype.SelectNodes = function( xpath )
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80 | {
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81 | if ( navigator.userAgent.indexOf('MSIE') >= 0 ) // IE
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82 | return this.DOMDocument.selectNodes( xpath ) ;
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83 | else // Gecko
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84 | {
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85 | var aNodeArray = new Array();
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86 |
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87 | var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument,
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88 | this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), XPathResult.ORDERED_NODE_ITERATOR_TYPE, null) ;
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89 | if ( xPathResult )
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90 | {
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91 | var oNode = xPathResult.iterateNext() ;
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92 | while( oNode )
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93 | {
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94 | aNodeArray[aNodeArray.length] = oNode ;
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95 | oNode = xPathResult.iterateNext();
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96 | }
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97 | }
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98 | return aNodeArray ;
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99 | }
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100 | }
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101 |
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102 | FCKXml.prototype.SelectSingleNode = function( xpath )
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103 | {
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104 | if ( navigator.userAgent.indexOf('MSIE') >= 0 ) // IE
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105 | return this.DOMDocument.selectSingleNode( xpath ) ;
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106 | else // Gecko
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107 | {
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108 | var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument,
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109 | this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), 9, null);
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110 |
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111 | if ( xPathResult && xPathResult.singleNodeValue )
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112 | return xPathResult.singleNodeValue ;
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113 | else
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114 | return null ;
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115 | }
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116 | }
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