/**
 * Copyright (C) 2001-2017 by RapidMiner and the contributors
 * 
 * Complete list of developers available at our web site:
 * 
 * http://rapidminer.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.ui;

import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.JComponent;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicEditorPaneUI;

import com.rapidminer.gui.look.ClipboardActionsPopup;
import com.rapidminer.gui.tools.components.LinkButton;


/**
 * The UI for editor panes.
 *
 * @author Ingo Mierswa
 */
@SuppressWarnings("deprecation")
public class EditorPaneUI extends BasicEditorPaneUI {

	public class EditorPanePopupListener extends MouseAdapter {

		@Override
		public void mousePressed(MouseEvent e) {
			evaluateClick(e);
		}

		@Override
		public void mouseReleased(MouseEvent e) {
			evaluateClick(e);
		}

		private void evaluateClick(MouseEvent e) {
			if (e.isPopupTrigger()) {
				showPopup(e.getPoint());
			}
		}
	}

	private ClipboardActionsPopup popup = null;

	private EditorPanePopupListener popupListener = new EditorPanePopupListener();

	public static ComponentUI createUI(JComponent c) {
		return new EditorPaneUI();
	}

	@Override
	protected void installDefaults() {
		super.installDefaults();
		getComponent().addMouseListener(this.popupListener);
	}

	@Override
	protected void uninstallDefaults() {
		super.installDefaults();
		getComponent().removeMouseListener(this.popupListener);
		this.popup = null;
	}

	@Override
	public void update(Graphics g, JComponent c) {
		super.update(g, c);
	}

	private void showPopup(Point p) {
		if (!getComponent().isEnabled()) {
			return;
		}
		// because LinkButtons inherit from here we need to stop the popup here
		if (LinkButton.class.isAssignableFrom(getComponent().getClass())) {
			return;
		}
		if (this.popup == null) {
			this.popup = new ClipboardActionsPopup(getComponent());
		}
		getComponent().requestFocus();
		this.popup.show(getComponent(), (int) p.getX(), (int) p.getY());
	}
}