source: branches/1.2/workflow/js/fckeditor/editor/_source/internals/fck_gecko.js @ 1349

/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2007 Frederico Caldeira Knabben
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * Creation and initialization of the "FCK" object. This is the main
 * object that represents an editor instance.
 * (Gecko specific implementations)
 */

FCK.Description = "FCKeditor for Gecko Browsers" ;

FCK.InitializeBehaviors = function()
{
        // When calling "SetHTML", the editing area IFRAME gets a fixed height. So we must recaulculate it.
        if ( FCKBrowserInfo.IsGecko )           // Not for Safari/Opera.
                Window_OnResize() ;

        FCKFocusManager.AddWindow( this.EditorWindow ) ;

        this.ExecOnSelectionChange = function()
        {
                FCK.Events.FireEvent( "OnSelectionChange" ) ;
        }

        this.ExecOnSelectionChangeTimer = function()
        {
                if ( FCK.LastOnChangeTimer )
                        window.clearTimeout( FCK.LastOnChangeTimer ) ;

                FCK.LastOnChangeTimer = window.setTimeout( FCK.ExecOnSelectionChange, 100 ) ;
        }

        this.EditorDocument.addEventListener( 'mouseup', this.ExecOnSelectionChange, false ) ;

        // On Gecko, firing the "OnSelectionChange" event on every key press started to be too much
        // slow. So, a timer has been implemented to solve performance issues when tipying to quickly.
        this.EditorDocument.addEventListener( 'keyup', this.ExecOnSelectionChangeTimer, false ) ;

        this._DblClickListener = function( e )
        {
                FCK.OnDoubleClick( e.target ) ;
                e.stopPropagation() ;
        }
        this.EditorDocument.addEventListener( 'dblclick', this._DblClickListener, true ) ;

        // Reset the context menu.
        FCK.ContextMenu._InnerContextMenu.SetMouseClickWindow( FCK.EditorWindow ) ;
        FCK.ContextMenu._InnerContextMenu.AttachToElement( FCK.EditorDocument ) ;
}

FCK.MakeEditable = function()
{
        this.EditingArea.MakeEditable() ;
}

// Disable the context menu in the editor (outside the editing area).
function Document_OnContextMenu( e )
{
        if ( !e.target._FCKShowContextMenu )
                e.preventDefault() ;
}
document.oncontextmenu = Document_OnContextMenu ;

// GetNamedCommandState overload for Gecko.
FCK._BaseGetNamedCommandState = FCK.GetNamedCommandState ;
FCK.GetNamedCommandState = function( commandName )
{
        switch ( commandName )
        {
                case 'Unlink' :
                        return FCKSelection.HasAncestorNode('A') ? FCK_TRISTATE_OFF : FCK_TRISTATE_DISABLED ;
                default :
                        return FCK._BaseGetNamedCommandState( commandName ) ;
        }
}

// Named commands to be handled by this browsers specific implementation.
FCK.RedirectNamedCommands =
{
        Print   : true,
        Paste   : true,
        Cut             : true,
        Copy    : true
} ;

// ExecuteNamedCommand overload for Gecko.
FCK.ExecuteRedirectedNamedCommand = function( commandName, commandParameter )
{
        switch ( commandName )
        {
                case 'Print' :
                        FCK.EditorWindow.print() ;
                        break ;
                case 'Paste' :
                        try                     { if ( FCK.Paste() ) FCK.ExecuteNamedCommand( 'Paste', null, true ) ; }
                        catch (e)       { FCKDialog.OpenDialog( 'FCKDialog_Paste', FCKLang.Paste, 'dialog/fck_paste.html', 400, 330, 'Security' ) ; }
                        break ;
                case 'Cut' :
                        try                     { FCK.ExecuteNamedCommand( 'Cut', null, true ) ; }
                        catch (e)       { alert(FCKLang.PasteErrorCut) ; }
                        break ;
                case 'Copy' :
                        try                     { FCK.ExecuteNamedCommand( 'Copy', null, true ) ; }
                        catch (e)       { alert(FCKLang.PasteErrorCopy) ; }
                        break ;
                default :
                        FCK.ExecuteNamedCommand( commandName, commandParameter ) ;
        }
}

FCK.AttachToOnSelectionChange = function( functionPointer )
{
        this.Events.AttachEvent( 'OnSelectionChange', functionPointer ) ;
}

FCK.Paste = function()
{
        if ( FCKConfig.ForcePasteAsPlainText )
        {
                FCK.PasteAsPlainText() ;
                return false ;
        }

        /* For now, the AutoDetectPasteFromWord feature is IE only. */

        return true ;
}

//**
// FCK.InsertHtml: Inserts HTML at the current cursor location. Deletes the
// selected content if any.
FCK.InsertHtml = function( html )
{
        html = FCKConfig.ProtectedSource.Protect( html ) ;
        html = FCK.ProtectEvents( html ) ;
        html = FCK.ProtectUrls( html ) ;
        html = FCK.ProtectTags( html ) ;

        // Firefox can't handle correctly the editing of the STRONG and EM tags.
        // We must replace them with B and I.
                html = html.replace( FCKRegexLib.StrongOpener, '<b$1' ) ;
                html = html.replace( FCKRegexLib.StrongCloser, '<\/b>' ) ;
                html = html.replace( FCKRegexLib.EmOpener, '<i$1' ) ;
                html = html.replace( FCKRegexLib.EmCloser, '<\/i>' ) ;

        // Delete the actual selection.
        var oSel = FCKSelection.Delete() ;

        // Get the first available range.
        var oRange = oSel.getRangeAt(0) ;

        // Create a fragment with the input HTML.
        var oFragment = oRange.createContextualFragment( html ) ;

        // Get the last available node.
        var oLastNode = oFragment.lastChild ;

        // Insert the fragment in the range.
        oRange.insertNode(oFragment) ;

        // Set the cursor after the inserted fragment.
        FCKSelection.SelectNode( oLastNode ) ;
        FCKSelection.Collapse( false ) ;

        this.Focus() ;
}

FCK.InsertElement = function( element )
{
        // Deletes the actual selection.
        var oSel = FCKSelection.Delete() ;

        // Gets the first available range.
        var oRange = oSel.getRangeAt(0) ;

        // Inserts the element in the range.
        oRange.insertNode( element ) ;

        // Set the cursor after the inserted fragment.
        FCKSelection.SelectNode( element ) ;
        FCKSelection.Collapse( false ) ;

        this.Focus() ;
}

FCK.PasteAsPlainText = function()
{
        // TODO: Implement the "Paste as Plain Text" code.

        // If the function is called inmediately Firefox 2 does automatically paste the contents as soon as the new dialog is created
        // so we run it in a Timeout and the paste event can be cancelled
        FCKTools.RunFunction( FCKDialog.OpenDialog, FCKDialog, ['FCKDialog_Paste', FCKLang.PasteAsText, 'dialog/fck_paste.html', 400, 330, 'PlainText'] ) ;

/*
        var sText = FCKTools.HTMLEncode( clipboardData.getData("Text") ) ;
        sText = sText.replace( /\n/g, '<BR>' ) ;
        this.InsertHtml( sText ) ;
*/
}
/*
FCK.PasteFromWord = function()
{
        // TODO: Implement the "Paste as Plain Text" code.

        FCKDialog.OpenDialog( 'FCKDialog_Paste', FCKLang.PasteFromWord, 'dialog/fck_paste.html', 400, 330, 'Word' ) ;

//      FCK.CleanAndPaste( FCK.GetClipboardHTML() ) ;
}
*/
FCK.GetClipboardHTML = function()
{
        return '' ;
}

FCK.CreateLink = function( url )
{
        FCK.ExecuteNamedCommand( 'Unlink' ) ;

        if ( url.length > 0 )
        {
                // Generate a temporary name for the link.
                var sTempUrl = 'javascript:void(0);/*' + ( new Date().getTime() ) + '*/' ;

                // Use the internal "CreateLink" command to create the link.
                FCK.ExecuteNamedCommand( 'CreateLink', sTempUrl ) ;

                // Retrieve the just created link using XPath.
                var oLink = this.EditorDocument.evaluate("//a[@href='" + sTempUrl + "']", this.EditorDocument.body, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue ;

                if ( oLink )
                {
                        oLink.href = url ;
                        return oLink ;
                }
        }

        return null ;
}