/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package com.nokia.s60tools.crashanalyser.ui.editors;

import org.eclipse.swt.custom.TableCursor;

import org.eclipse.swt.dnd.Clipboard;

import org.eclipse.swt.dnd.TextTransfer;

import org.eclipse.swt.dnd.Transfer;

import org.eclipse.swt.events.KeyEvent;

import org.eclipse.swt.events.KeyListener;

import org.eclipse.swt.widgets.Display;

import org.eclipse.swt.widgets.Table;

import org.eclipse.swt.widgets.TableItem;

public class TableKeyListener implements KeyListener{

    private static final int CTRL_C = 3;

	private Table table = null;

	private TableCursor cursor = null;

	/**

	 * Create new TableKeyListener.

	 * 

	 * @param table Table

	 * @param cursor Cursor

	 */

	public TableKeyListener(Table table, TableCursor cursor) {

		this.table = table;

	    this.cursor = cursor;	        

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.swt.events.KeyListener#keyPressed(org.eclipse.swt.events.KeyEvent)

	 */

	public void keyPressed(KeyEvent e) {

		switch (e.character) {

		case CTRL_C:

			// Copy the cell content to clipboard

	        try {

	            Clipboard clipBoard = new Clipboard(Display.getCurrent());

	            TextTransfer textTransfer = TextTransfer.getInstance();

	            TableItem[] items = table.getSelection();

	            if (items == null || items.length == 0) {

	            	return;

	            }

	            int columnIndex = cursor.getColumn();

	            clipBoard.setContents(new Object[] { items[0].getText(columnIndex) }, new Transfer[] { textTransfer });

	        } catch (Exception ex) {

	            	// ignore

	        }

	        break;

	    default:

	        return;

	    }

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.swt.events.KeyListener#keyReleased(org.eclipse.swt.events.KeyEvent)

	 */

	public void keyReleased(KeyEvent e) {

		// Do nothing.

	}

}