| /* BasicComboBoxRenderer.java -- |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.plaf.basic; |
| |
| import java.awt.Component; |
| import java.awt.Dimension; |
| import java.io.Serializable; |
| |
| import javax.swing.JLabel; |
| import javax.swing.JList; |
| import javax.swing.ListCellRenderer; |
| import javax.swing.SwingConstants; |
| import javax.swing.UIDefaults; |
| import javax.swing.UIManager; |
| import javax.swing.border.Border; |
| import javax.swing.border.EmptyBorder; |
| |
| /** |
| * This class is renderer for the combo box. |
| * |
| * @author Olga Rodimina |
| */ |
| public class BasicComboBoxRenderer extends JLabel implements ListCellRenderer, |
| Serializable |
| { |
| /** |
| * This border is used whenever renderer doesn't have a focus. |
| */ |
| protected static Border noFocusBorder = new EmptyBorder(0, 0, 0, 0); |
| |
| /** |
| * Creates a new BasicComboBoxRenderer object. |
| */ |
| public BasicComboBoxRenderer() |
| { |
| setHorizontalAlignment(SwingConstants.LEFT); |
| } |
| |
| /** |
| * Returns preferredSize of the renderer |
| * |
| * @return preferredSize of the renderer |
| */ |
| public Dimension getPreferredSize() |
| { |
| return super.getPreferredSize(); |
| } |
| |
| /** |
| * getListCellRendererComponent |
| * |
| * @param list List of items for which to the background and foreground |
| * colors |
| * @param value object that should be rendered in the cell |
| * @param index index of the cell in the list of items. |
| * @param isSelected draw cell highlighted if isSelected is true |
| * @param cellHasFocus draw focus rectangle around cell if the cell has |
| * focus |
| * |
| * @return Component that will be used to draw the desired cell. |
| */ |
| public Component getListCellRendererComponent(JList list, Object value, |
| int index, boolean isSelected, |
| boolean cellHasFocus) |
| { |
| String s = value.toString(); |
| setText(s); |
| setOpaque(true); |
| |
| UIDefaults defaults = UIManager.getLookAndFeelDefaults(); |
| |
| if (isSelected) |
| { |
| setBackground(list.getSelectionBackground()); |
| setForeground(list.getSelectionForeground()); |
| } |
| else |
| { |
| setBackground(list.getBackground()); |
| setForeground(list.getForeground()); |
| } |
| |
| setEnabled(list.isEnabled()); |
| setFont(list.getFont()); |
| |
| // Use focusCellHighlightBorder when renderer has focus and |
| // noFocusBorder otherwise |
| if (cellHasFocus) |
| setBorder(UIManager.getBorder("List.focusCellHighlightBorder")); |
| else |
| setBorder(noFocusBorder); |
| |
| return this; |
| } |
| |
| public static class UIResource extends BasicComboBoxRenderer |
| implements javax.swing.plaf.UIResource |
| { |
| /** |
| * Creates a new UIResource object. |
| */ |
| public UIResource() |
| { |
| } |
| } |
| } |