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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