org.tentackle.plaf.tlooks.TLooksComboBoxUI.java Source code

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Here is the source code for org.tentackle.plaf.tlooks.TLooksComboBoxUI.java

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/**
 * Tentackle - a framework for java desktop applications
 * Copyright (C) 2001-2008 Harald Krake, harald@krake.de, +49 7722 9508-0
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

// $Id: TLooksComboBoxUI.java 337 2008-05-09 18:35:27Z harald $

package org.tentackle.plaf.tlooks;

import com.jgoodies.looks.plastic.PlasticComboBoxUI;
import javax.swing.UIManager;
import org.tentackle.plaf.TComboPopup;
import org.tentackle.plaf.TFlasherListener;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import javax.swing.JComponent;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.ComboPopup;
import org.tentackle.plaf.TentackleLookAndFeel;

/**
 * UI for JComboBox/FormComboBox/FormFieldComboBox.
 * 
 * @author harald
 */
public class TLooksComboBoxUI extends PlasticComboBoxUI {

    // ********************************
    //        Create PlAF
    // ********************************
    public static ComponentUI createUI(JComponent c) {
        PlasticComboBoxUI.createUI(c);
        return new TLooksComboBoxUI(); // one per component
    }

    protected void installListeners() {
        super.installListeners();
        if (!comboBox.isEditable() && ((TentackleLookAndFeel) UIManager.getLookAndFeel()).isFocusAnimated()) {
            comboBox.addFocusListener(new TComboBoxFlasherListener());
        }
    }

    protected void uninstallListeners() {
        super.uninstallListeners();
        TFlasherListener.removeFlasherListener(comboBox);
    }

    /**
     * Overridden to install special popup that recognizes
     * FormComboBoxRenderer.
     *
     * @return an instance of <code>ComboPopup</code>
     * @see ComboPopup
     */
    protected ComboPopup createPopup() {
        return new TComboPopup(comboBox);
    }

    private class TComboBoxFlasherListener extends TFlasherListener {

        public TComboBoxFlasherListener() {
            super(comboBox);
        }

        public void actionPerformed(ActionEvent e) {
            if (!comboBox.isEditable()) {
                flasherVisible = !flasherVisible;
                if (!flasherVisible) {
                    Graphics g = arrowButton.getGraphics();
                    if (g != null) {
                        // remove the focus
                        g.setColor(arrowButton.getBackground());
                        Insets insets = arrowButton.getInsets();
                        int width = arrowButton.getWidth() - (insets.left + insets.right);
                        int height = arrowButton.getHeight() - (insets.top + insets.bottom);
                        if (height > 0 && width > 0) {
                            int left = insets.left;
                            int top = insets.top;
                            g.drawRect(left - 1, top + 1, width, height - 4);
                        }
                    }
                } else {
                    arrowButton.repaint();
                }
            }
        }
    }
}