/*
 *  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.ui;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.RenderingHints;

import javax.swing.AbstractButton;
import javax.swing.JComponent;
import javax.swing.UIManager;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicRadioButtonUI;

import com.rapidminer.gui.look.RapidLookTools;

/**
 * The UI for radio buttons.
 *
 * @author Ingo Mierswa
 * @version $Id: RadioButtonUI.java,v 1.2 2008/05/09 19:22:42 ingomierswa Exp $
 */
public class RadioButtonUI extends BasicRadioButtonUI {

	private static final RadioButtonUI radioButtonUI = new RadioButtonUI();

	private final static BasicStroke DASHED_STROKE = new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 6.0f, new float[] { 2.0f }, 2.0f);
	
	
	protected Color focusColor;

	protected Color selectColor;

	protected Color disabledTextColor;

	private boolean initialized = false;

	
	public RadioButtonUI() {}

	protected Color getDisabledTextColor() {
		return this.disabledTextColor;
	}

	protected Color getFocusColor() {
		return this.focusColor;
	}

	protected Color getSelectColor() {
		return this.selectColor;
	}

	@Override
	protected void paintText(Graphics g, AbstractButton c, Rectangle textRect, String text) {
		super.paintText(g, c, textRect, text);
	}

	@Override
	public void installDefaults(AbstractButton abstractbutton) {
		super.installDefaults(abstractbutton);
		if (!this.initialized) {
			this.icon = UIManager.getIcon(getPropertyPrefix() + "icon");
			this.initialized = true;
		}
		abstractbutton.setRolloverEnabled(true);
	}

	@Override
	protected void uninstallDefaults(AbstractButton abstractbutton) {
		super.uninstallDefaults(abstractbutton);
		this.initialized = false;
	}

	public static ComponentUI createUI(JComponent jcomponent) {
		return radioButtonUI;
	}

	@Override
	public Dimension getMinimumSize(JComponent c) {
		return new Dimension(30, 22);
	}

	@Override
	protected void paintFocus(Graphics g, Rectangle textRect, Dimension d) {
		int x = 0, y = 0, w = 0, h = 0, arc = 14;
		x = (int)textRect.getX() - 2;
		y = (int)textRect.getY();
		w = (int)textRect.getWidth() + 4;
		h = (int)textRect.getHeight();

		if (d.height >= 20) {
			// do nothing
		} else {
			arc = 6;
		}
		
		g.setColor(RapidLookTools.getColors().getCommonFocusColor());
		Graphics2D g2 = (Graphics2D) g;
		g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
		g2.setStroke(DASHED_STROKE);
		g2.draw(new java.awt.geom.RoundRectangle2D.Double(x, y, w, h, arc, arc));
		g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_DEFAULT);
	}
}