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: fckeditor.js |
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14 | * This is the integration file for JavaScript. |
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15 | * |
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16 | * It defines the FCKeditor class that can be used to create editor |
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17 | * instances in a HTML page in the client side. For server side |
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18 | * operations, use the specific integration system. |
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19 | * |
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20 | * File Authors: |
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21 | * Frederico Caldeira Knabben (fredck@fckeditor.net) |
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22 | */ |
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23 | |
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24 | // FCKeditor Class |
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25 | var FCKeditor = function( instanceName, width, height, toolbarSet, value ) |
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26 | { |
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27 | // Properties |
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28 | this.InstanceName = instanceName ; |
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29 | this.Width = width || '100%' ; |
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30 | this.Height = height || '200' ; |
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31 | this.ToolbarSet = toolbarSet || 'Default' ; |
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32 | this.Value = value || '' ; |
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33 | this.BasePath = '/fckeditor/' ; |
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34 | this.CheckBrowser = true ; |
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35 | this.DisplayErrors = true ; |
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36 | this.EnableSafari = false ; // This is a temporary property, while Safari support is under development. |
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37 | this.EnableOpera = false ; // This is a temporary property, while Opera support is under development. |
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38 | |
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39 | this.Config = new Object() ; |
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40 | |
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41 | // Events |
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42 | this.OnError = null ; // function( source, errorNumber, errorDescription ) |
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43 | } |
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44 | |
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45 | FCKeditor.prototype.Version = '2.3.2' ; |
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46 | FCKeditor.prototype.VersionBuild = '1082' ; |
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47 | |
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48 | FCKeditor.prototype.Create = function() |
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49 | { |
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50 | document.write( this.CreateHtml() ) ; |
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51 | } |
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52 | |
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53 | FCKeditor.prototype.CreateHtml = function() |
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54 | { |
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55 | // Check for errors |
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56 | if ( !this.InstanceName || this.InstanceName.length == 0 ) |
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57 | { |
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58 | this._ThrowError( 701, 'You must specify an instance name.' ) ; |
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59 | return ; |
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60 | } |
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61 | |
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62 | var sHtml = '<div>' ; |
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63 | |
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64 | if ( !this.CheckBrowser || FCKeditor_IsCompatibleBrowser() ) |
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65 | { |
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66 | sHtml += '<input type="hidden" id="' + this.InstanceName + '" name="' + this.InstanceName + '" value="' + this._HTMLEncode( this.Value ) + '" style="display:none" />' ; |
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67 | sHtml += this._GetConfigHtml() ; |
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68 | sHtml += this._GetIFrameHtml() ; |
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69 | } |
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70 | else |
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71 | { |
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72 | var sWidth = this.Width.toString().indexOf('%') > 0 ? this.Width : this.Width + 'px' ; |
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73 | var sHeight = this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ; |
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74 | sHtml += '<textarea name="' + this.InstanceName + '" rows="4" cols="40" style="width:' + sWidth + ';height:' + sHeight + '">' + this._HTMLEncode( this.Value ) + '<\/textarea>' ; |
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75 | } |
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76 | |
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77 | sHtml += '</div>' ; |
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78 | |
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79 | return sHtml ; |
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80 | } |
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81 | |
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82 | FCKeditor.prototype.ReplaceTextarea = function() |
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83 | { |
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84 | if ( !this.CheckBrowser || FCKeditor_IsCompatibleBrowser() ) |
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85 | { |
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86 | // We must check the elements firstly using the Id and then the name. |
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87 | var oTextarea = document.getElementById( this.InstanceName ) ; |
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88 | var colElementsByName = document.getElementsByName( this.InstanceName ) ; |
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89 | var i = 0; |
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90 | while ( oTextarea || i == 0 ) |
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91 | { |
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92 | if ( oTextarea && oTextarea.tagName.toLowerCase() == 'textarea' ) |
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93 | break ; |
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94 | oTextarea = colElementsByName[i++] ; |
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95 | } |
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96 | |
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97 | if ( !oTextarea ) |
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98 | { |
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99 | alert( 'Error: The TEXTAREA with id or name set to "' + this.InstanceName + '" was not found' ) ; |
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100 | return ; |
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101 | } |
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102 | |
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103 | oTextarea.style.display = 'none' ; |
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104 | this._InsertHtmlBefore( this._GetConfigHtml(), oTextarea ) ; |
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105 | this._InsertHtmlBefore( this._GetIFrameHtml(), oTextarea ) ; |
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106 | } |
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107 | } |
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108 | |
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109 | FCKeditor.prototype._InsertHtmlBefore = function( html, element ) |
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110 | { |
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111 | if ( element.insertAdjacentHTML ) // IE |
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112 | element.insertAdjacentHTML( 'beforeBegin', html ) ; |
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113 | else // Gecko |
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114 | { |
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115 | var oRange = document.createRange() ; |
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116 | oRange.setStartBefore( element ) ; |
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117 | var oFragment = oRange.createContextualFragment( html ); |
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118 | element.parentNode.insertBefore( oFragment, element ) ; |
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119 | } |
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120 | } |
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121 | |
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122 | FCKeditor.prototype._GetConfigHtml = function() |
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123 | { |
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124 | var sConfig = '' ; |
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125 | for ( var o in this.Config ) |
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126 | { |
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127 | if ( sConfig.length > 0 ) sConfig += '&' ; |
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128 | sConfig += escape(o) + '=' + escape( this.Config[o] ) ; |
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129 | } |
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130 | |
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131 | return '<input type="hidden" id="' + this.InstanceName + '___Config" value="' + sConfig + '" style="display:none" />' ; |
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132 | } |
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133 | |
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134 | FCKeditor.prototype._GetIFrameHtml = function() |
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135 | { |
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136 | var sFile = 'fckeditor.html' ; |
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137 | |
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138 | try |
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139 | { |
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140 | if ( (/fcksource=true/i).test( window.top.location.search ) ) |
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141 | sFile = 'fckeditor.original.html' ; |
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142 | } |
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143 | catch (e) { /* Ignore it. Much probably we are inside a FRAME where the "top" is in another domain (security error). */ } |
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144 | |
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145 | var sLink = this.BasePath + 'editor/' + sFile + '?InstanceName=' + this.InstanceName ; |
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146 | if (this.ToolbarSet) sLink += '&Toolbar=' + this.ToolbarSet ; |
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147 | |
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148 | return '<iframe id="' + this.InstanceName + '___Frame" src="' + sLink + '" width="' + this.Width + '" height="' + this.Height + '" frameborder="0" scrolling="no"></iframe>' ; |
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149 | } |
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150 | |
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151 | // Deprecated (to be removed in the 3.0). |
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152 | FCKeditor.prototype._IsCompatibleBrowser = function() |
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153 | { |
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154 | return FCKeditor_IsCompatibleBrowser() ; |
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155 | } |
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156 | |
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157 | FCKeditor.prototype._ThrowError = function( errorNumber, errorDescription ) |
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158 | { |
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159 | this.ErrorNumber = errorNumber ; |
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160 | this.ErrorDescription = errorDescription ; |
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161 | |
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162 | if ( this.DisplayErrors ) |
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163 | { |
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164 | document.write( '<div style="COLOR: #ff0000">' ) ; |
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165 | document.write( '[ FCKeditor Error ' + this.ErrorNumber + ': ' + this.ErrorDescription + ' ]' ) ; |
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166 | document.write( '</div>' ) ; |
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167 | } |
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168 | |
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169 | if ( typeof( this.OnError ) == 'function' ) |
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170 | this.OnError( this, errorNumber, errorDescription ) ; |
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171 | } |
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172 | |
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173 | FCKeditor.prototype._HTMLEncode = function( text ) |
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174 | { |
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175 | if ( typeof( text ) != "string" ) |
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176 | text = text.toString() ; |
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177 | |
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178 | text = text.replace( |
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179 | /&/g, "&").replace( |
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180 | /"/g, """).replace( |
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181 | /</g, "<").replace( |
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182 | />/g, ">") ; |
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183 | |
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184 | return text ; |
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185 | } |
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186 | |
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187 | function FCKeditor_IsCompatibleBrowser() |
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188 | { |
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189 | var sAgent = navigator.userAgent.toLowerCase() ; |
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190 | |
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191 | // Internet Explorer |
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192 | if ( sAgent.indexOf("msie") != -1 && sAgent.indexOf("mac") == -1 && sAgent.indexOf("opera") == -1 ) |
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193 | { |
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194 | var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ; |
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195 | return ( sBrowserVersion >= 5.5 ) ; |
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196 | } |
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197 | |
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198 | // Gecko (Opera 9 tries to behave like Gecko at this point). |
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199 | if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) ) |
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200 | return true ; |
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201 | |
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202 | // Opera |
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203 | if ( this.EnableOpera && navigator.appName == 'Opera' && parseInt( navigator.appVersion ) >= 9 ) |
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204 | return true ; |
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205 | |
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206 | // Safari |
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207 | if ( this.EnableSafari && sAgent.indexOf( 'safari' ) != -1 ) |
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208 | return ( sAgent.match( /safari\/(\d+)/ )[1] >= 312 ) ; // Build must be at least 312 (1.3) |
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209 | |
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210 | return false ; |
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211 | } |
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