/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2008 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.gui.look.fc;

import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;

import javax.swing.JComponent;

/**
 * A keyboard listener used for the item panel.
 *
 * @author Ingo Mierswa
 * @version $Id: ItemPanelKeyboardListener.java,v 1.2 2008/05/09 19:22:53 ingomierswa Exp $
 */
public class ItemPanelKeyboardListener implements java.awt.event.KeyListener {

	private ItemPanel pane;

	public void keyPressed(KeyEvent e) {
		if (this.pane == null) {
			if (e.getSource() instanceof ItemPanel) {
				this.pane = ((ItemPanel) e.getSource());
			} else if (e.getSource() instanceof Item) {
				this.pane = ((ItemPanel) ((JComponent) e.getSource()).getParent());
			}
		}

		if (e.getKeyCode() == KeyEvent.VK_DELETE) {
		} else if (e.getKeyCode() == KeyEvent.VK_ENTER) {
			if ((this.pane != null) && (this.pane.getFilePane().lastSelected != null)) {
				this.pane.getFilePane().filechooserUI.setCurrentDirectoryOfFileChooser(this.pane.getFilePane().lastSelected.getFile());
			}
		} else if (e.getKeyCode() == KeyEvent.VK_SPACE) {
			this.pane.useKeyMoves("SPACE", e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK);
		} else if (e.getKeyCode() == KeyEvent.VK_RIGHT) {
			this.pane.useKeyMoves("RIGHT", e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK);
		} else if (e.getKeyCode() == KeyEvent.VK_LEFT) {
			this.pane.useKeyMoves("LEFT", e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK);
		} else if (e.getKeyCode() == KeyEvent.VK_UP) {
			this.pane.useKeyMoves("UP", e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK);
		} else if (e.getKeyCode() == KeyEvent.VK_DOWN) {
			this.pane.useKeyMoves("DOWN", e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK);
		} else if (e.getKeyCode() == KeyEvent.VK_HOME) {
			this.pane.useKeyMoves("HOME", e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK);
		} else if (e.getKeyCode() == KeyEvent.VK_END) {
			this.pane.useKeyMoves("END", e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK);
		} else if (e.getKeyCode() == KeyEvent.VK_ENTER) {
			// ignore enter here!
		} else if (e.getKeyCode() == KeyEvent.VK_PAGE_UP) {
			this.pane.useKeyMoves("PAGE_UP", e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK);
		} else if (e.getKeyCode() == KeyEvent.VK_PAGE_DOWN) {
			this.pane.useKeyMoves("PAGE_DOWN", e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK);
		} else {
			if (KeyEvent.getKeyText(e.getKeyCode()).toLowerCase().equals("a") && (e.getModifiersEx() == InputEvent.CTRL_DOWN_MASK)) {
				this.pane.getFilePane().selectAll();
			}
			if (e.getModifiersEx() == 0) {
				this.pane.forwardToNearestFor(String.valueOf(e.getKeyChar()).toLowerCase());
			}
		}
	}

	public void keyReleased(KeyEvent e) {}
	public void keyTyped(KeyEvent e) {}
}