egroupware/phpgwapi/js/fckeditor/fckeditor.js
Lars Kneschke 8a0f08b54f * initial import of fckeditor
* added function to add fckeditor instead of tinymce
2006-11-07 18:18:22 +00:00

211 lines
6.6 KiB
JavaScript

/*
* FCKeditor - The text editor for internet
* Copyright (C) 2003-2006 Frederico Caldeira Knabben
*
* Licensed under the terms of the GNU Lesser General Public License:
* http://www.opensource.org/licenses/lgpl-license.php
*
* For further information visit:
* http://www.fckeditor.net/
*
* "Support Open Source software. What about a donation today?"
*
* File Name: fckeditor.js
* This is the integration file for JavaScript.
*
* It defines the FCKeditor class that can be used to create editor
* instances in a HTML page in the client side. For server side
* operations, use the specific integration system.
*
* File Authors:
* Frederico Caldeira Knabben (fredck@fckeditor.net)
*/
// FCKeditor Class
var FCKeditor = function( instanceName, width, height, toolbarSet, value )
{
// Properties
this.InstanceName = instanceName ;
this.Width = width || '100%' ;
this.Height = height || '200' ;
this.ToolbarSet = toolbarSet || 'Default' ;
this.Value = value || '' ;
this.BasePath = '/fckeditor/' ;
this.CheckBrowser = true ;
this.DisplayErrors = true ;
this.EnableSafari = false ; // This is a temporary property, while Safari support is under development.
this.EnableOpera = false ; // This is a temporary property, while Opera support is under development.
this.Config = new Object() ;
// Events
this.OnError = null ; // function( source, errorNumber, errorDescription )
}
FCKeditor.prototype.Version = '2.3.2' ;
FCKeditor.prototype.VersionBuild = '1082' ;
FCKeditor.prototype.Create = function()
{
document.write( this.CreateHtml() ) ;
}
FCKeditor.prototype.CreateHtml = function()
{
// Check for errors
if ( !this.InstanceName || this.InstanceName.length == 0 )
{
this._ThrowError( 701, 'You must specify an instance name.' ) ;
return ;
}
var sHtml = '<div>' ;
if ( !this.CheckBrowser || FCKeditor_IsCompatibleBrowser() )
{
sHtml += '<input type="hidden" id="' + this.InstanceName + '" name="' + this.InstanceName + '" value="' + this._HTMLEncode( this.Value ) + '" style="display:none" />' ;
sHtml += this._GetConfigHtml() ;
sHtml += this._GetIFrameHtml() ;
}
else
{
var sWidth = this.Width.toString().indexOf('%') > 0 ? this.Width : this.Width + 'px' ;
var sHeight = this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ;
sHtml += '<textarea name="' + this.InstanceName + '" rows="4" cols="40" style="width:' + sWidth + ';height:' + sHeight + '">' + this._HTMLEncode( this.Value ) + '<\/textarea>' ;
}
sHtml += '</div>' ;
return sHtml ;
}
FCKeditor.prototype.ReplaceTextarea = function()
{
if ( !this.CheckBrowser || FCKeditor_IsCompatibleBrowser() )
{
// We must check the elements firstly using the Id and then the name.
var oTextarea = document.getElementById( this.InstanceName ) ;
var colElementsByName = document.getElementsByName( this.InstanceName ) ;
var i = 0;
while ( oTextarea || i == 0 )
{
if ( oTextarea && oTextarea.tagName.toLowerCase() == 'textarea' )
break ;
oTextarea = colElementsByName[i++] ;
}
if ( !oTextarea )
{
alert( 'Error: The TEXTAREA with id or name set to "' + this.InstanceName + '" was not found' ) ;
return ;
}
oTextarea.style.display = 'none' ;
this._InsertHtmlBefore( this._GetConfigHtml(), oTextarea ) ;
this._InsertHtmlBefore( this._GetIFrameHtml(), oTextarea ) ;
}
}
FCKeditor.prototype._InsertHtmlBefore = function( html, element )
{
if ( element.insertAdjacentHTML ) // IE
element.insertAdjacentHTML( 'beforeBegin', html ) ;
else // Gecko
{
var oRange = document.createRange() ;
oRange.setStartBefore( element ) ;
var oFragment = oRange.createContextualFragment( html );
element.parentNode.insertBefore( oFragment, element ) ;
}
}
FCKeditor.prototype._GetConfigHtml = function()
{
var sConfig = '' ;
for ( var o in this.Config )
{
if ( sConfig.length > 0 ) sConfig += '&amp;' ;
sConfig += escape(o) + '=' + escape( this.Config[o] ) ;
}
return '<input type="hidden" id="' + this.InstanceName + '___Config" value="' + sConfig + '" style="display:none" />' ;
}
FCKeditor.prototype._GetIFrameHtml = function()
{
var sFile = 'fckeditor.html' ;
try
{
if ( (/fcksource=true/i).test( window.top.location.search ) )
sFile = 'fckeditor.original.html' ;
}
catch (e) { /* Ignore it. Much probably we are inside a FRAME where the "top" is in another domain (security error). */ }
var sLink = this.BasePath + 'editor/' + sFile + '?InstanceName=' + this.InstanceName ;
if (this.ToolbarSet) sLink += '&amp;Toolbar=' + this.ToolbarSet ;
return '<iframe id="' + this.InstanceName + '___Frame" src="' + sLink + '" width="' + this.Width + '" height="' + this.Height + '" frameborder="0" scrolling="no"></iframe>' ;
}
// Deprecated (to be removed in the 3.0).
FCKeditor.prototype._IsCompatibleBrowser = function()
{
return FCKeditor_IsCompatibleBrowser() ;
}
FCKeditor.prototype._ThrowError = function( errorNumber, errorDescription )
{
this.ErrorNumber = errorNumber ;
this.ErrorDescription = errorDescription ;
if ( this.DisplayErrors )
{
document.write( '<div style="COLOR: #ff0000">' ) ;
document.write( '[ FCKeditor Error ' + this.ErrorNumber + ': ' + this.ErrorDescription + ' ]' ) ;
document.write( '</div>' ) ;
}
if ( typeof( this.OnError ) == 'function' )
this.OnError( this, errorNumber, errorDescription ) ;
}
FCKeditor.prototype._HTMLEncode = function( text )
{
if ( typeof( text ) != "string" )
text = text.toString() ;
text = text.replace(
/&/g, "&amp;").replace(
/"/g, "&quot;").replace(
/</g, "&lt;").replace(
/>/g, "&gt;") ;
return text ;
}
function FCKeditor_IsCompatibleBrowser()
{
var sAgent = navigator.userAgent.toLowerCase() ;
// Internet Explorer
if ( sAgent.indexOf("msie") != -1 && sAgent.indexOf("mac") == -1 && sAgent.indexOf("opera") == -1 )
{
var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ;
return ( sBrowserVersion >= 5.5 ) ;
}
// Gecko (Opera 9 tries to behave like Gecko at this point).
if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) )
return true ;
// Opera
if ( this.EnableOpera && navigator.appName == 'Opera' && parseInt( navigator.appVersion ) >= 9 )
return true ;
// Safari
if ( this.EnableSafari && sAgent.indexOf( 'safari' ) != -1 )
return ( sAgent.match( /safari\/(\d+)/ )[1] >= 312 ) ; // Build must be at least 312 (1.3)
return false ;
}