xpcomboboxbutton.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.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.TexturePaint;
import java.awt.image.BufferedImage;

import javax.swing.ButtonModel;
import javax.swing.CellRendererPane;
import javax.swing.DefaultButtonModel;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListCellRenderer;
import javax.swing.UIManager;

import com.stefankrause.xplookandfeel.skin.Skin;
import com.stefankrause.xplookandfeel.skin.SkinSimpleButtonIndexModel;


public class XPComboBoxButton extends JButton {
    protected JComboBox comboBox;
    protected JList listBox;
    protected CellRendererPane rendererPane;
    protected Icon comboIcon;
    protected boolean iconOnly = false;
    BufferedImage focusImg;

    public final JComboBox getComboBox() {
        return comboBox;
    }
    public final void setComboBox(JComboBox cb) {
        comboBox = cb;
    }

    public final Icon getComboIcon() {
        return comboIcon;
    }
    public final void setComboIcon(Icon i) {
        comboIcon = i;
    }

    public final boolean isIconOnly() {
        return iconOnly;
    }
    public final void setIconOnly(boolean isIconOnly) {
        iconOnly = isIconOnly;
    }

    XPComboBoxButton() {
        super("");
        DefaultButtonModel model = new DefaultButtonModel() {
            public void setArmed(boolean armed) {
                super.setArmed(isPressed() ? true : armed);
            }
        };

        setModel(model);

        // Set the background and foreground to the combobox colors.
        setBackground(UIManager.getColor("ComboBox.background"));
        setForeground(UIManager.getColor("ComboBox.foreground"));
        
        ImageIcon icon = XPLookAndFeel.loadIcon("XPComboBoxFocus.res",this);
        focusImg = new BufferedImage(2, 2, BufferedImage.TYPE_INT_RGB);
        Graphics g3 = focusImg.getGraphics();
        icon.paintIcon(this, g3, 0, 0);
    }

    public XPComboBoxButton(JComboBox cb, Icon i, CellRendererPane pane, JList list) {
        this();
        comboBox = cb;
        comboIcon = i;
        rendererPane = pane;
        listBox = list;
        setEnabled(comboBox.isEnabled());
    }

    public XPComboBoxButton(JComboBox cb, Icon i, boolean onlyIcon, CellRendererPane pane, JList list) {
        this(cb, i, pane, list);
        iconOnly = onlyIcon;
    }

    Skin skinCombo;;
    SkinSimpleButtonIndexModel indexModel=new SkinSimpleButtonIndexModel();
    Skin skinArrow;
    Skin skinButton;

    /**
     * Mostly taken from the swing sources
     * @see javax.swing.JComponent#paintComponent(Graphics)
     */
    public void paintComponent(Graphics g) {

        boolean leftToRight = getComponentOrientation().isLeftToRight();

        int index=indexModel.getIndexForState(model.isEnabled(),model.isRollover(),model.isArmed() && model.isPressed() | model.isSelected());

        // Paint the button as usual
        if (iconOnly) {
            // Branch for non editable Combo Boxes
            ButtonModel model = getModel();
            boolean selected = model.isArmed() && model.isPressed() | model.isSelected();
            getSkinButton().draw(g, index, getWidth(), getHeight());
            int amnt = getWidth() - getSkinArrow().getHsize();

            int middle = (getHeight() - getSkinArrow().getVsize()) / 2;

            getSkinArrow().draw(g, index, getWidth() - getSkinArrow().getHsize(), middle,   getSkinArrow().getHsize(), getSkinArrow().getVsize());

        } else {
            // Branch for editable Combo Boxes
            ButtonModel model = getModel();

            boolean selected = model.isArmed() && model.isPressed() | model.isSelected();
            getSkinCombo().draw(g, index, getWidth(), getHeight());

            int middle = (getHeight() - getSkinArrow().getVsize()) / 2;
            getSkinArrow().draw(g, index, getWidth() - getSkinArrow().getHsize(), middle,  getSkinArrow().getHsize(), getSkinArrow().getVsize());

        }

        Insets insets = new Insets(3, 4, 4, 1);

        int width = getWidth() - (insets.left + insets.right);
        int widthFocus = width; //- (skin.getHsize()-skin.getOffset());
        int height = getHeight() - (insets.top + insets.bottom);

        if (height <= 0 || width <= 0) {
            return;
        }

        int left = insets.left;
        int top = insets.top;
        int right = left + (width - 1);
        int bottom = top + (height - 1);

        int iconWidth = XPComboBoxUI.comboBoxButtonSize;
        int iconLeft = (leftToRight) ? right : left;

        // Let the renderer paint
        Component c = null;
        boolean mustResetOpaque = false;
        boolean savedOpaque = false;
        boolean paintFocus = false;
        if (!iconOnly && comboBox != null) {
            ListCellRenderer renderer = comboBox.getRenderer();
            boolean renderPressed = getModel().isPressed();
            c = renderer.getListCellRendererComponent(listBox, comboBox.getSelectedItem(), -1, renderPressed, false);
            c.setFont(rendererPane.getFont());

            if (model.isArmed() && model.isPressed()) {
                if (isOpaque()) {
                    c.setBackground(UIManager.getColor("Button.select"));
                }
                c.setForeground(comboBox.getForeground());
            } else if (!comboBox.isEnabled()) {
                if (isOpaque()) {
                    c.setBackground(UIManager.getColor("ComboBox.disabledBackground"));
                }
                c.setForeground(UIManager.getColor("ComboBox.disabledForeground"));
            } else if (comboBox.hasFocus() && !comboBox.isPopupVisible()) {
                c.setForeground(UIManager.getColor("ComboBox.disabledBackground"));
                c.setBackground(UIManager.getColor("ComboBox.focusBackground"));
                if (c instanceof JComponent) {
                    mustResetOpaque = true;
                    JComponent jc = (JComponent) c;
                    savedOpaque = jc.isOpaque();
                    jc.setOpaque(true);
                    paintFocus = true;
                }
            } else {
                c.setForeground(comboBox.getForeground());
                c.setBackground(comboBox.getBackground());
            }
            if (!mustResetOpaque && c instanceof JComponent) {
                mustResetOpaque = true;
                JComponent jc = (JComponent) c;
                savedOpaque = jc.isOpaque();
                jc.setOpaque(false);
            }

            int cWidth = width - (insets.right + iconWidth);

            // Fix for 4238829: should lay out the JPanel.
            boolean shouldValidate = false;
            if (c instanceof JPanel) {
                shouldValidate = true;
            }

            if (leftToRight) {
                rendererPane.paintComponent(g, c, this, left, top, cWidth, height, shouldValidate);
            } else {
                rendererPane.paintComponent(g, c, this, left + iconWidth, top, cWidth, height, shouldValidate);
            }
            if (paintFocus) {
                g.setColor(Color.black);
                Graphics2D g2d = (Graphics2D) g;
                //          BasicStroke focusStroke=new BasicStroke(1.0f,BasicStroke.CAP_BUTT,BasicStroke.JOIN_BEVEL,1.0f, new float[] {1.0f, 1.0f}, 1.0f);
                Rectangle r = new Rectangle(left, top, 2, 2);
                TexturePaint tp = new TexturePaint(focusImg, r);        

                g2d.setPaint(tp);
                g2d.draw(new Rectangle(left,top,cWidth, height));
            }
        }
        if (mustResetOpaque) {
            JComponent jc = (JComponent) c;
            jc.setOpaque(savedOpaque);
        }
    }

    public Skin getSkinCombo()
    {
        if (skinCombo == null) {
			skinCombo = new Skin("XPComboBox.res", 4, 3, 3, 18, 3);
			
		}
		return skinCombo;
    }

    public Skin getSkinArrow()
    {
        if (skinArrow == null) {
            skinArrow = new Skin("XPComboBoxArrow.res", 4, 0);

        }
        return skinArrow;
    }

    public Skin getSkinButton()
    {
        if (skinButton== null) {
            skinButton = new Skin("XPComboBoxButton.res", 4, 3);

        }
        return skinButton;
    }
}