1 | /*
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2 | Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
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3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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4 | */
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5 |
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6 | (function()
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7 | {
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8 | var loadedLangs = {};
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9 |
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10 | /**
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11 | * @namespace Holds language related functions.
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12 | */
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13 | CKEDITOR.lang =
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14 | {
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15 | /**
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16 | * The list of languages available in the editor core.
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17 | * @type Object
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18 | * @example
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19 | * alert( CKEDITOR.lang.en ); // "true"
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20 | */
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21 | languages :
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22 | {
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23 | 'af' : 1,
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24 | 'ar' : 1,
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25 | 'bg' : 1,
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26 | 'bn' : 1,
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27 | 'bs' : 1,
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28 | 'ca' : 1,
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29 | 'cs' : 1,
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30 | 'cy' : 1,
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31 | 'da' : 1,
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32 | 'de' : 1,
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33 | 'el' : 1,
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34 | 'en-au' : 1,
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35 | 'en-ca' : 1,
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36 | 'en-gb' : 1,
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37 | 'en' : 1,
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38 | 'eo' : 1,
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39 | 'es' : 1,
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40 | 'et' : 1,
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41 | 'eu' : 1,
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42 | 'fa' : 1,
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43 | 'fi' : 1,
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44 | 'fo' : 1,
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45 | 'fr-ca' : 1,
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46 | 'fr' : 1,
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47 | 'gl' : 1,
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48 | 'gu' : 1,
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49 | 'he' : 1,
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50 | 'hi' : 1,
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51 | 'hr' : 1,
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52 | 'hu' : 1,
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53 | 'is' : 1,
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54 | 'it' : 1,
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55 | 'ja' : 1,
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56 | 'ka' : 1,
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57 | 'km' : 1,
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58 | 'ko' : 1,
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59 | 'lt' : 1,
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60 | 'lv' : 1,
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61 | 'mn' : 1,
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62 | 'ms' : 1,
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63 | 'nb' : 1,
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64 | 'nl' : 1,
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65 | 'no' : 1,
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66 | 'pl' : 1,
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67 | 'pt-br' : 1,
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68 | 'pt' : 1,
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69 | 'ro' : 1,
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70 | 'ru' : 1,
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71 | 'sk' : 1,
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72 | 'sl' : 1,
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73 | 'sr-latn' : 1,
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74 | 'sr' : 1,
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75 | 'sv' : 1,
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76 | 'th' : 1,
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77 | 'tr' : 1,
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78 | 'uk' : 1,
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79 | 'vi' : 1,
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80 | 'zh-cn' : 1,
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81 | 'zh' : 1
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82 | },
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83 |
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84 | /**
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85 | * Loads a specific language file, or auto detect it. A callback is
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86 | * then called when the file gets loaded.
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87 | * @param {String} languageCode The code of the language file to be
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88 | * loaded. If null or empty, autodetection will be performed. The
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89 | * same happens if the language is not supported.
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90 | * @param {String} defaultLanguage The language to be used if
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91 | * languageCode is not supported or if the autodetection fails.
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92 | * @param {Function} callback A function to be called once the
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93 | * language file is loaded. Two parameters are passed to this
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94 | * function: the language code and the loaded language entries.
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95 | * @example
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96 | */
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97 | load : function( languageCode, defaultLanguage, callback )
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98 | {
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99 | // If no languageCode - fallback to browser or default.
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100 | // If languageCode - fallback to no-localized version or default.
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101 | if ( !languageCode || !CKEDITOR.lang.languages[ languageCode ] )
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102 | languageCode = this.detect( defaultLanguage, languageCode );
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103 |
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104 | if ( !this[ languageCode ] )
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105 | {
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106 | CKEDITOR.scriptLoader.load( CKEDITOR.getUrl(
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107 | '_source/' + // @Packager.RemoveLine
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108 | 'lang/' + languageCode + '.js' ),
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109 | function()
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110 | {
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111 | callback( languageCode, this[ languageCode ] );
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112 | }
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113 | , this );
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114 | }
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115 | else
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116 | callback( languageCode, this[ languageCode ] );
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117 | },
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118 |
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119 | /**
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120 | * Returns the language that best fit the user language. For example,
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121 | * suppose that the user language is "pt-br". If this language is
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122 | * supported by the editor, it is returned. Otherwise, if only "pt" is
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123 | * supported, it is returned instead. If none of the previous are
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124 | * supported, a default language is then returned.
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125 | * @param {String} defaultLanguage The default language to be returned
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126 | * if the user language is not supported.
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127 | * @param {String} [probeLanguage] A language code to try to use,
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128 | * instead of the browser based autodetection.
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129 | * @returns {String} The detected language code.
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130 | * @example
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131 | * alert( CKEDITOR.lang.detect( 'en' ) ); // e.g., in a German browser: "de"
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132 | */
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133 | detect : function( defaultLanguage, probeLanguage )
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134 | {
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135 | var languages = this.languages;
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136 | probeLanguage = probeLanguage || navigator.userLanguage || navigator.language || defaultLanguage;
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137 |
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138 | var parts = probeLanguage
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139 | .toLowerCase()
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140 | .match( /([a-z]+)(?:-([a-z]+))?/ ),
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141 | lang = parts[1],
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142 | locale = parts[2];
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143 |
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144 | if ( languages[ lang + '-' + locale ] )
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145 | lang = lang + '-' + locale;
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146 | else if ( !languages[ lang ] )
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147 | lang = null;
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148 |
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149 | CKEDITOR.lang.detect = lang ?
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150 | function() { return lang; } :
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151 | function( defaultLanguage ) { return defaultLanguage; };
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152 |
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153 | return lang || defaultLanguage;
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154 | }
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155 | };
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156 |
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157 | })();
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