fck_contextmenu.js

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/*
 * FCKeditor - The text editor for internet
 * Copyright (C) 2003 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 go to http://www.fredck.com/FCKeditor/ 
 * or contact [e-mail].
 *
 * fck_contextmenu.js: Right click support.
 *
 * Authors:
 *   Frederico Caldeira Knabben ([e-mail])
 */

// Contants
var MENU_SEPARATOR = "" ; // Context menu separator

// The last context menu
var ContextMenu = new Array() ;

// Avaliable context menu options
var GeneralContextMenu	= new Array() ;
var TableContextMenu	= new Array() ;
var LinkContextMenu		= new Array() ;

function ContextMenuSeparator()
{
	this.Text = MENU_SEPARATOR ;
}

// Class that represents an item on the context menu
function ContextMenuItem(text, command, commandType)
{
	this.Text			= text ;
	this.Command		= command || "void(0)" ;
	this.CommandType	= commandType || TBCMD_DEC ;
	
	switch (this.CommandType)
	{
		case TBCMD_DEC :
			this.Command     = "decCommand(" + command + ")" ;
			this.CommandId   = command ;
			break ;
		case TBCMD_DOC :
			this.Command     = "docCommand('" + command + "')" ;
			this.CommandCode = command ;
			break ;
		default :	// TBCMD_CUSTOM
			this.Command     = command ;
			break ;
	}
}


GeneralContextMenu[0] = new ContextMenuItem(lang["Cut"], DECMD_CUT) ;
GeneralContextMenu[1] = new ContextMenuItem(lang["Copy"], DECMD_COPY) ;
GeneralContextMenu[2] = new ContextMenuItem(lang["Paste"], DECMD_PASTE) ;

LinkContextMenu[0] = new ContextMenuSeparator() ;
LinkContextMenu[1] = new ContextMenuItem(lang["EditLink"], "dialogLink()", TBCMD_CUSTOM) ;
LinkContextMenu[2] = new ContextMenuItem(lang["RemoveLink"], DECMD_UNLINK) ;

TableContextMenu[0]  = new ContextMenuSeparator() ;
TableContextMenu[1]  = new ContextMenuItem(lang["InsertRow"], DECMD_INSERTROW) ;
TableContextMenu[2]  = new ContextMenuItem(lang["DeleteRows"], DECMD_DELETEROWS) ;
TableContextMenu[3]  = new ContextMenuSeparator() ;
TableContextMenu[4]  = new ContextMenuItem(lang["InsertColumn"], DECMD_INSERTCOL) ;
TableContextMenu[5]  = new ContextMenuItem(lang["DeleteColumns"], DECMD_DELETECOLS) ;
TableContextMenu[6]  = new ContextMenuSeparator() ;
TableContextMenu[7]  = new ContextMenuItem(lang["InsertCell"], DECMD_INSERTCELL) ;
TableContextMenu[8]  = new ContextMenuItem(lang["DeleteCells"], DECMD_DELETECELLS) ;
TableContextMenu[9]  = new ContextMenuItem(lang["MergeCells"], DECMD_MERGECELLS) ;
TableContextMenu[10] = new ContextMenuItem(lang["SplitCell"], DECMD_SPLITCELL) ;
TableContextMenu[11] = new ContextMenuSeparator() ;
TableContextMenu[12] = new ContextMenuItem(lang["CellProperties"], "dialogTableCell()", TBCMD_CUSTOM) ;
TableContextMenu[13] = new ContextMenuItem(lang["TableProperties"], "dialogTable(true)", TBCMD_CUSTOM) ;

function showContextMenu()
{
	// Resets the context menu. 
	ContextMenu = new Array() ;
	
	var i ;
  	var index = 0;
  
	// Always show general menu options
	for ( i = 0 ; i < GeneralContextMenu.length ; i++ )
	{
		ContextMenu[index++] = GeneralContextMenu[i] ;
	}
	
	// If over a link
	if (checkDecCommand(DECMD_UNLINK) == OLE_TRISTATE_UNCHECKED)
	{
		for ( i = 0 ; i < LinkContextMenu.length ; i++ ) 
		{
			ContextMenu[index++] = LinkContextMenu[i] ;
		}	
	}
	
	// If inside a table, load table menu options
	if (objContent.QueryStatus(DECMD_INSERTROW) != DECMDF_DISABLED) 
	{
		for ( i = 0 ; i < TableContextMenu.length ; i++ ) 
		{
			ContextMenu[index++] = TableContextMenu[i] ;
		}
	}

	// Verifies if the selection is a TABLE or IMG
	var sel = objContent.DOM.selection.createRange() ;
	var sTag ;
	if (objContent.DOM.selection.type != 'Text' && sel.length == 1)
		sTag = sel.item(0).tagName ;
	
	if (sTag == "TABLE")
	{
		ContextMenu[index++] = new ContextMenuSeparator() ;
		ContextMenu[index++] = new ContextMenuItem(lang["TableProperties"], "dialogTable()", TBCMD_CUSTOM) ;
	}
	else if (sTag == "IMG")
	{
		ContextMenu[index++] = new ContextMenuSeparator() ;
		ContextMenu[index++] = new ContextMenuItem(lang["ImageProperties"], "dialogImage()", TBCMD_CUSTOM) ;
	}

	// Set up the actual arrays that get passed to SetContextMenu
	var menuStrings = new Array() ;
	var menuStates  = new Array() ;
	for ( i = 0 ; i < ContextMenu.length ; i++ )
	{
		menuStrings[i] = ContextMenu[i].Text ;
		
		if (menuStrings[i] != MENU_SEPARATOR) 
			switch (ContextMenu[i].CommandType)
			{
				case TBCMD_DEC :
					menuStates[i] = checkDecCommand(ContextMenu[i].CommandId) ;
					break ;
				case TBCMD_DOC :
					menuStates[i] = checkDocCommand(ContextMenu[i].CommandCode) ;
					break ;
				default :
					menuStates[i] = OLE_TRISTATE_UNCHECKED ;
					break ;
			}
		else
			menuStates[i] = OLE_TRISTATE_CHECKED ;
	}
  
	// Set the context menu
	objContent.SetContextMenu(menuStrings, menuStates);
}

function contextMenuAction(itemIndex)
{
	eval(ContextMenu[itemIndex].Command) ;
}