| /* |
| * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.swing.plaf.metal; |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import javax.swing.plaf.basic.*; |
| import javax.swing.*; |
| import javax.swing.plaf.*; |
| import javax.swing.border.*; |
| import java.io.Serializable; |
| |
| /** |
| * JButton subclass to help out MetalComboBoxUI |
| * <p> |
| * <strong>Warning:</strong> |
| * Serialized objects of this class will not be compatible with |
| * future Swing releases. The current serialization support is |
| * appropriate for short term storage or RMI between applications running |
| * the same version of Swing. As of 1.4, support for long term storage |
| * of all JavaBeans™ |
| * has been added to the <code>java.beans</code> package. |
| * Please see {@link java.beans.XMLEncoder}. |
| * |
| * @see MetalComboBoxButton |
| * @author Tom Santos |
| */ |
| @SuppressWarnings("serial") // Same-version serialization only |
| public class MetalComboBoxButton extends JButton { |
| |
| /** |
| * The instance of {@code JComboBox}. |
| */ |
| protected JComboBox<Object> comboBox; |
| |
| /** |
| * The instance of {@code JList}. |
| */ |
| protected JList<Object> listBox; |
| |
| /** |
| * The instance of {@code CellRendererPane}. |
| */ |
| protected CellRendererPane rendererPane; |
| |
| /** |
| * The icon. |
| */ |
| protected Icon comboIcon; |
| |
| /** |
| * The {@code iconOnly} value. |
| */ |
| protected boolean iconOnly = false; |
| |
| /** |
| * Returns the {@code JComboBox}. |
| * |
| * @return the {@code JComboBox} |
| */ |
| public final JComboBox<Object> getComboBox() { return comboBox;} |
| |
| /** |
| * Sets the {@code JComboBox}. |
| * |
| * @param cb the {@code JComboBox} |
| */ |
| public final void setComboBox( JComboBox<Object> cb ) { comboBox = cb;} |
| |
| /** |
| * Returns the icon of the {@code JComboBox}. |
| * |
| * @return the icon of the {@code JComboBox} |
| */ |
| public final Icon getComboIcon() { return comboIcon;} |
| |
| /** |
| * Sets the icon of the {@code JComboBox}. |
| * |
| * @param i the icon of the {@code JComboBox} |
| */ |
| public final void setComboIcon( Icon i ) { comboIcon = i;} |
| |
| /** |
| * Returns the {@code isIconOnly} value. |
| * |
| * @return the {@code isIconOnly} value |
| */ |
| public final boolean isIconOnly() { return iconOnly;} |
| |
| /** |
| * If {@code isIconOnly} is {@code true} then only icon is painted. |
| * |
| * @param isIconOnly if {@code true} then only icon is painted |
| */ |
| public final void setIconOnly( boolean isIconOnly ) { iconOnly = isIconOnly;} |
| |
| MetalComboBoxButton() { |
| super( "" ); |
| DefaultButtonModel model = new DefaultButtonModel() { |
| public void setArmed( boolean armed ) { |
| super.setArmed( isPressed() ? true : armed ); |
| } |
| }; |
| setModel( model ); |
| } |
| |
| /** |
| * Constructs a new instance of {@code MetalComboBoxButton}. |
| * |
| * @param cb an instance of {@code JComboBox} |
| * @param i an icon |
| * @param pane an instance of {@code CellRendererPane} |
| * @param list an instance of {@code JList} |
| */ |
| public MetalComboBoxButton( JComboBox<Object> cb, Icon i, |
| CellRendererPane pane, JList<Object> list ) { |
| this(); |
| comboBox = cb; |
| comboIcon = i; |
| rendererPane = pane; |
| listBox = list; |
| setEnabled( comboBox.isEnabled() ); |
| } |
| |
| /** |
| * Constructs a new instance of {@code MetalComboBoxButton}. |
| * |
| * @param cb an instance of {@code JComboBox} |
| * @param i an icon |
| * @param onlyIcon if {@code true} only icon is painted |
| * @param pane an instance of {@code CellRendererPane} |
| * @param list an instance of {@code JList} |
| */ |
| public MetalComboBoxButton( JComboBox<Object> cb, Icon i, boolean onlyIcon, |
| CellRendererPane pane, JList<Object> list ) { |
| this( cb, i, pane, list ); |
| iconOnly = onlyIcon; |
| } |
| |
| @SuppressWarnings("deprecation") |
| public boolean isFocusTraversable() { |
| return false; |
| } |
| |
| public void setEnabled(boolean enabled) { |
| super.setEnabled(enabled); |
| |
| // Set the background and foreground to the combobox colors. |
| if (enabled) { |
| setBackground(comboBox.getBackground()); |
| setForeground(comboBox.getForeground()); |
| } else { |
| setBackground(UIManager.getColor("ComboBox.disabledBackground")); |
| setForeground(UIManager.getColor("ComboBox.disabledForeground")); |
| } |
| } |
| |
| public void paintComponent( Graphics g ) { |
| boolean leftToRight = MetalUtils.isLeftToRight(comboBox); |
| |
| // Paint the button as usual |
| super.paintComponent( g ); |
| |
| Insets insets = getInsets(); |
| |
| int width = getWidth() - (insets.left + insets.right); |
| 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 = 0; |
| int iconLeft = (leftToRight) ? right : left; |
| |
| // Paint the icon |
| if ( comboIcon != null ) { |
| iconWidth = comboIcon.getIconWidth(); |
| int iconHeight = comboIcon.getIconHeight(); |
| int iconTop = 0; |
| |
| if ( iconOnly ) { |
| iconLeft = (getWidth() / 2) - (iconWidth / 2); |
| iconTop = (getHeight() / 2) - (iconHeight / 2); |
| } |
| else { |
| if (leftToRight) { |
| iconLeft = (left + (width - 1)) - iconWidth; |
| } |
| else { |
| iconLeft = left; |
| } |
| iconTop = (top + ((bottom - top) / 2)) - (iconHeight / 2); |
| } |
| |
| comboIcon.paintIcon( this, g, iconLeft, iconTop ); |
| |
| // Paint the focus |
| if ( comboBox.hasFocus() && (!MetalLookAndFeel.usingOcean() || |
| comboBox.isEditable())) { |
| g.setColor( MetalLookAndFeel.getFocusColor() ); |
| g.drawRect( left - 1, top - 1, width + 3, height + 1 ); |
| } |
| } |
| |
| if (MetalLookAndFeel.usingOcean()) { |
| // With Ocean the button only paints the arrow, bail. |
| return; |
| } |
| |
| // Let the renderer paint |
| if ( ! iconOnly && comboBox != null ) { |
| ListCellRenderer<Object> renderer = comboBox.getRenderer(); |
| Component c; |
| 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 { |
| c.setForeground(comboBox.getForeground()); |
| c.setBackground(comboBox.getBackground()); |
| } |
| |
| |
| 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 ); |
| } |
| } |
| } |
| |
| public Dimension getMinimumSize() { |
| Dimension ret = new Dimension(); |
| Insets insets = getInsets(); |
| ret.width = insets.left + getComboIcon().getIconWidth() + insets.right; |
| ret.height = insets.bottom + getComboIcon().getIconHeight() + insets.top; |
| return ret; |
| } |
| } |