[1257] | 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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