xpcomboboxui.java

Swing Windows XP 外观和感觉 BeanSoft 修改版, 2003年 原始的作者: XP 外观和感觉 by Stefan Krause - http://www.stefan

// Beta
/** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*	XP Look and Feel                                                       *
*                                                                              *
*  (C) Copyright 2002, by Stefan Krause                                        *
*                                                                              *
*                                                                              *
*   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 General Public License along    *
*   with this program; if not, write to the Free Software Foundation, Inc.,    *
*   59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.                    *
*                                                                              *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

package com.stefankrause.xplookandfeel;

import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.LayoutManager;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.ComboBoxEditor;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicComboBoxUI;
import javax.swing.plaf.basic.BasicComboPopup;
import javax.swing.plaf.basic.ComboPopup;
import javax.swing.plaf.metal.MetalComboBoxIcon;

public class XPComboBoxUI extends BasicComboBoxUI {

	static int comboBoxButtonSize = 19;

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

	public void paint(Graphics g, JComponent c) {
	}

	protected ComboBoxEditor createEditor() {
		return new XPComboBoxEditor.UIResource();
	}

	protected ComboPopup createPopup() {
		return new MetalComboPopup(comboBox);
	}

	protected JButton createArrowButton() {
			JButton button = new XPComboBoxButton(comboBox, // 
	new MetalComboBoxIcon(), comboBox.isEditable(), currentValuePane, listBox);
		button.setMargin(new Insets(0, 0, 0, 0));
		return button;
	}

	public PropertyChangeListener createPropertyChangeListener() {
		return new XPPropertyChangeListener();
	}

	/**
	 * This inner class is marked "public" due to a compiler bug.
	 * This class should be treated as a "protected" inner class.
	 * Instantiate it only within subclasses of <FooUI>.
	 */
	public class XPPropertyChangeListener extends BasicComboBoxUI.PropertyChangeHandler {
		public void propertyChange(PropertyChangeEvent e) {
			super.propertyChange(e);
			String propertyName = e.getPropertyName();

			if (propertyName.equals("editable")) {
				XPComboBoxButton button = (XPComboBoxButton) arrowButton;
				button.setIconOnly(comboBox.isEditable());
				comboBox.repaint();
			} else if (propertyName.equals("background")) {
				Color color = (Color) e.getNewValue();
				listBox.setBackground(color);

			} else if (propertyName.equals("foreground")) {
				Color color = (Color) e.getNewValue();
				listBox.setForeground(color);
			}
		}
	}

	/**
	 * As of Java 2 platform v1.4 this method is no longer used. Do not call or
	 * override. All the functionality of this method is in the
	 * MetalPropertyChangeListener.
	 *
	 * @deprecated As of Java 2 platform v1.4.
	 */
	protected void editablePropertyChanged(PropertyChangeEvent e) {
	}

	protected LayoutManager createLayoutManager() {
		return new MetouiaComboBoxLayoutManager();
	}

	/**
	 * This inner class is marked &quot;public&quot; due to a compiler bug.
	 * This class should be treated as a &quot;protected&quot; inner class.
	 * Instantiate it only within subclasses of <FooUI>.
	 */
	public class MetouiaComboBoxLayoutManager implements LayoutManager {
		public void addLayoutComponent(String name, Component comp) {
		}

		public void removeLayoutComponent(Component comp) {
		}

		public Dimension preferredLayoutSize(Container parent) {
			JComboBox cb = (JComboBox) parent;
			return parent.getPreferredSize();
		}

		public Dimension minimumLayoutSize(Container parent) {
			JComboBox cb = (JComboBox) parent;
			return parent.getMinimumSize();
		}

		public void layoutContainer(Container parent) {
			JComboBox cb = (JComboBox) parent;
			int width = cb.getWidth();
			int height = cb.getHeight();

			Rectangle cvb;

			if (comboBox.isEditable()) {
				if (arrowButton != null) {
					arrowButton.setBounds(width - comboBoxButtonSize, 0, comboBoxButtonSize, height);
				}
				if (editor != null) {
					cvb = rectangleForCurrentValue2();
					editor.setBounds(cvb);
				}
			} else {
				arrowButton.setBounds(0, 0, width, height);				
			}
		}
	}

	protected Rectangle rectangleForCurrentValue2() {
		int width = comboBox.getWidth();
		int height = comboBox.getHeight();
		Insets insets = getInsets();
		int buttonSize = height - (insets.top + insets.bottom);
		if (arrowButton != null) {
			buttonSize = comboBoxButtonSize;
		}
		if (comboBox.getComponentOrientation().isLeftToRight()) {
			return new Rectangle(insets.left, insets.top, width - (insets.left + insets.right + buttonSize), height - (insets.top + insets.bottom));
		} else {
			return new Rectangle(
				insets.left + buttonSize,
				insets.top,
				width - (insets.left + insets.right + buttonSize),
				height - (insets.top + insets.bottom));
		}
	}

	/**
	 * As of Java 2 platform v1.4 this method is no
	 * longer used.
	 *
	 * @deprecated As of Java 2 platform v1.4.
	 */
	protected void removeListeners() {
		if (propertyChangeListener != null) {
			comboBox.removePropertyChangeListener(propertyChangeListener);
		}
	}

	// These two methods were overloaded and made public. This was probably a
	// mistake in the implementation. The functionality that they used to 
	// provide is no longer necessary and should be removed. However, 
	// removing them will create an uncompatible API change.

	public void configureEditor() {
		super.configureEditor();
	}

	public void unconfigureEditor() {
		super.unconfigureEditor();
	}

	public Dimension getMinimumSize(JComponent c) {
		if (!isMinimumSizeDirty) {
			return new Dimension(cachedMinimumSize);
		}

		Dimension size = null;

		if (!comboBox.isEditable() && arrowButton != null && arrowButton instanceof XPComboBoxButton) {

			XPComboBoxButton button = (XPComboBoxButton) arrowButton;
			Insets buttonInsets = new Insets(0, 0, 0, 0);
			Insets insets = comboBox.getInsets();

			size = getDisplaySize();
			size.width += comboBoxButtonSize + insets.left + insets.right; // Hack
			size.width += buttonInsets.left + buttonInsets.right;
			size.width += buttonInsets.right + button.getComboIcon().getIconWidth();
			size.height += insets.top + insets.bottom;
			size.height += buttonInsets.top + buttonInsets.bottom;
			size.height = Math.max(21,size.height);
		} else if (comboBox.isEditable() && arrowButton != null && editor != null) {
			size = super.getMinimumSize(c);
			Insets margin = arrowButton.getMargin();
			Insets insets = comboBox.getInsets();
			if (editor instanceof JComponent) {
				Insets editorInsets = ((JComponent) editor).getInsets();
			}
			size.height += margin.top + margin.bottom;
			size.height += insets.top + insets.bottom;

//			size.height = Math.max(20,size.height);
		} else {
			size = super.getMinimumSize(c);
		}

		cachedMinimumSize.setSize(size.width, size.height);
		isMinimumSizeDirty = false;

		return new Dimension(cachedMinimumSize);
	}

	/**
	 * This inner class is marked &quot;public&quot; due to a compiler bug.
	 * This class should be treated as a &quot;protected&quot; inner class.
	 * Instantiate it only within subclasses of <FooUI>.
	 *
	 * This class is now obsolete and doesn't do anything and
	 * is only included for backwards API compatibility. Do not call or 
	 * override.
	 * 
	 * @deprecated As of Java 2 platform v1.4.
	 */
	public class MetalComboPopup extends BasicComboPopup {

		public MetalComboPopup(JComboBox cBox) {
			super(cBox);
		}

		// This method was overloaded and made public. This was probably
		// mistake in the implementation. The functionality that they used to 
		// provide is no longer necessary and should be removed. However, 
		// removing them will create an uncompatible API change.

		public void delegateFocus(MouseEvent e) {
			super.delegateFocus(e);
		}
	}
}