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/*
 * 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: fck_othercommands.js
 *      Definition of other commands that are not available internaly in the
 *      browser (see FCKNamedCommand).
 * 
 * File Authors:
 *              Frederico Caldeira Knabben (fredck@fckeditor.net)
 */

// ### General Dialog Box Commands.
var FCKDialogCommand = function( name, title, url, width, height, getStateFunction, getStateParam )
{
        this.Name       = name ;
        this.Title      = title ;
        this.Url        = url ;
        this.Width      = width ;
        this.Height     = height ;

        this.GetStateFunction   = getStateFunction ;
        this.GetStateParam              = getStateParam ;
}

FCKDialogCommand.prototype.Execute = function()
{
        FCKDialog.OpenDialog( 'FCKDialog_' + this.Name , this.Title, this.Url, this.Width, this.Height ) ;
}

FCKDialogCommand.prototype.GetState = function()
{
        if ( this.GetStateFunction )
                return this.GetStateFunction( this.GetStateParam ) ;
        else
                return FCK_TRISTATE_OFF ;
}

// Generic Undefined command (usually used when a command is under development).
var FCKUndefinedCommand = function()
{
        this.Name = 'Undefined' ;
}

FCKUndefinedCommand.prototype.Execute = function()
{
        alert( FCKLang.NotImplemented ) ;
}

FCKUndefinedCommand.prototype.GetState = function()
{
        return FCK_TRISTATE_OFF ;
}

// ### FontName
var FCKFontNameCommand = function()
{
        this.Name = 'FontName' ;
}

FCKFontNameCommand.prototype.Execute = function( fontName )
{
        if (fontName == null || fontName == "")
        {
                // TODO: Remove font name attribute.
        }
        else
                FCK.ExecuteNamedCommand( 'FontName', fontName ) ;
}

FCKFontNameCommand.prototype.GetState = function()
{
        return FCK.GetNamedCommandValue( 'FontName' ) ;
}

// ### FontSize
var FCKFontSizeCommand = function()
{
        this.Name = 'FontSize' ;
}

FCKFontSizeCommand.prototype.Execute = function( fontSize )
{
        if ( typeof( fontSize ) == 'string' ) fontSize = parseInt(fontSize) ;

        if ( fontSize == null || fontSize == '' )
        {
                // TODO: Remove font size attribute (Now it works with size 3. Will it work forever?)
                FCK.ExecuteNamedCommand( 'FontSize', 3 ) ;
        }
        else
                FCK.ExecuteNamedCommand( 'FontSize', fontSize ) ;
}

FCKFontSizeCommand.prototype.GetState = function()
{
        return FCK.GetNamedCommandValue( 'FontSize' ) ;
}

// ### FormatBlock
var FCKFormatBlockCommand = function()
{
        this.Name = 'FormatBlock' ;
}

FCKFormatBlockCommand.prototype.Execute = function( formatName )
{
        if ( formatName == null || formatName == '' )
                FCK.ExecuteNamedCommand( 'FormatBlock', '<P>' ) ;
        else if ( formatName == 'div' && FCKBrowserInfo.IsGecko )
                FCK.ExecuteNamedCommand( 'FormatBlock', 'div' ) ;
        else
                FCK.ExecuteNamedCommand( 'FormatBlock', '<' + formatName + '>' ) ;
}

FCKFormatBlockCommand.prototype.GetState = function()
{
        return FCK.GetNamedCommandValue( 'FormatBlock' ) ;
}

// ### Preview
var FCKPreviewCommand = function()
{
        this.Name = 'Preview' ;
}

FCKPreviewCommand.prototype.Execute = function()
{
     FCK.Preview() ;
}

FCKPreviewCommand.prototype.GetState = function()
{
        return FCK_TRISTATE_OFF ;
}

// ### Save
var FCKSaveCommand = function()
{
        this.Name = 'Save' ;
}

FCKSaveCommand.prototype.Execute = function()
{
        // Get the linked field form.
        var oForm = FCK.LinkedField.form ;

        if ( typeof( oForm.onsubmit ) == 'function' )
        {
                var bRet = oForm.onsubmit() ;
                if ( bRet != null && bRet === false )
                        return ;
        }

        // Submit the form.
        oForm.submit() ;
}

FCKSaveCommand.prototype.GetState = function()
{
        return FCK_TRISTATE_OFF ;
}

// ### NewPage
var FCKNewPageCommand = function()
{
        this.Name = 'NewPage' ;
}

FCKNewPageCommand.prototype.Execute = function()
{
        FCKUndo.SaveUndoStep() ;
        FCK.SetHTML( '' ) ;
        FCKUndo.Typing = true ;
//      FCK.SetHTML( FCKBrowserInfo.IsGecko ? '&nbsp;' : '' ) ;
//      FCK.SetHTML( FCKBrowserInfo.IsGecko ? GECKO_BOGUS : '' ) ;
}

FCKNewPageCommand.prototype.GetState = function()
{
        return FCK_TRISTATE_OFF ;
}

// ### Source button
var FCKSourceCommand = function()
{
        this.Name = 'Source' ;
}

FCKSourceCommand.prototype.Execute = function()
{
        if ( FCKConfig.SourcePopup )    // Until v2.2, it was mandatory for FCKBrowserInfo.IsGecko.
        {
                var iWidth      = FCKConfig.ScreenWidth * 0.65 ;
                var iHeight     = FCKConfig.ScreenHeight * 0.65 ;
                FCKDialog.OpenDialog( 'FCKDialog_Source', FCKLang.Source, 'dialog/fck_source.html', iWidth, iHeight, null, null, true ) ;
        }
        else
            FCK.SwitchEditMode() ;
}

FCKSourceCommand.prototype.GetState = function()
{
        return ( FCK.EditMode == FCK_EDITMODE_WYSIWYG ? FCK_TRISTATE_OFF : FCK_TRISTATE_ON ) ;
}

// ### Undo
var FCKUndoCommand = function()
{
        this.Name = 'Undo' ;
}

FCKUndoCommand.prototype.Execute = function()
{
        if ( FCKBrowserInfo.IsIE )
                FCKUndo.Undo() ;
        else
                FCK.ExecuteNamedCommand( 'Undo' ) ;
}

FCKUndoCommand.prototype.GetState = function()
{
        if ( FCKBrowserInfo.IsIE )
                return ( FCKUndo.CheckUndoState() ? FCK_TRISTATE_OFF : FCK_TRISTATE_DISABLED ) ;
        else
                return FCK.GetNamedCommandState( 'Undo' ) ;
}

// ### Redo
var FCKRedoCommand = function()
{
        this.Name = 'Redo' ;
}

FCKRedoCommand.prototype.Execute = function()
{
        if ( FCKBrowserInfo.IsIE )
                FCKUndo.Redo() ;
        else
                FCK.ExecuteNamedCommand( 'Redo' ) ;
}

FCKRedoCommand.prototype.GetState = function()
{
        if ( FCKBrowserInfo.IsIE )
                return ( FCKUndo.CheckRedoState() ? FCK_TRISTATE_OFF : FCK_TRISTATE_DISABLED ) ;
        else
                return FCK.GetNamedCommandState( 'Redo' ) ;
}

// ### Page Break
var FCKPageBreakCommand = function()
{
        this.Name = 'PageBreak' ;
}

FCKPageBreakCommand.prototype.Execute = function()
{
//      var e = FCK.EditorDocument.createElement( 'CENTER' ) ;
//      e.style.pageBreakAfter = 'always' ;

        // Tidy was removing the empty CENTER tags, so the following solution has 
        // been found. It also validates correctly as XHTML 1.0 Strict.
        var e = FCK.EditorDocument.createElement( 'DIV' ) ;
        e.style.pageBreakAfter = 'always' ;
        e.innerHTML = '<span style="DISPLAY:none">&nbsp;</span>' ;
        
        var oFakeImage = FCKDocumentProcessor_CreateFakeImage( 'FCK__PageBreak', e ) ;
        oFakeImage      = FCK.InsertElement( oFakeImage ) ;
}

FCKPageBreakCommand.prototype.GetState = function()
{
        return 0 ; // FCK_TRISTATE_OFF
}

// FCKUnlinkCommand - by Johnny Egeland (johnny@coretrek.com)
var FCKUnlinkCommand = function()
{
        this.Name = 'Unlink' ;
}

FCKUnlinkCommand.prototype.Execute = function()
{
        if ( FCKBrowserInfo.IsGecko )
        {
                var oLink = FCK.Selection.MoveToAncestorNode( 'A' ) ;
                if ( oLink ) 
                        FCK.Selection.SelectNode( oLink ) ;
        }
        
        FCK.ExecuteNamedCommand( this.Name ) ;

        if ( FCKBrowserInfo.IsGecko )
                FCK.Selection.Collapse( true ) ;
}

FCKUnlinkCommand.prototype.GetState = function()
{
        return FCK.GetNamedCommandState( this.Name ) ;
}