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1: /* BasicComboBoxRenderer.java -- 2: Copyright (C) 2004 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package javax.swing.plaf.basic; 40: 41: import java.awt.Component; 42: import java.awt.Dimension; 43: import java.io.Serializable; 44: 45: import javax.swing.JLabel; 46: import javax.swing.JList; 47: import javax.swing.ListCellRenderer; 48: import javax.swing.SwingConstants; 49: import javax.swing.UIDefaults; 50: import javax.swing.UIManager; 51: import javax.swing.border.Border; 52: import javax.swing.border.EmptyBorder; 53: 54: /** 55: * This class is renderer for the combo box. 56: * 57: * @author Olga Rodimina 58: */ 59: public class BasicComboBoxRenderer extends JLabel implements ListCellRenderer, 60: Serializable 61: { 62: /** 63: * This border is used whenever renderer doesn't have a focus. 64: */ 65: protected static Border noFocusBorder = new EmptyBorder(0, 0, 0, 0); 66: 67: /** 68: * Creates a new BasicComboBoxRenderer object. 69: */ 70: public BasicComboBoxRenderer() 71: { 72: setHorizontalAlignment(SwingConstants.LEFT); 73: } 74: 75: /** 76: * Returns preferredSize of the renderer 77: * 78: * @return preferredSize of the renderer 79: */ 80: public Dimension getPreferredSize() 81: { 82: return super.getPreferredSize(); 83: } 84: 85: /** 86: * getListCellRendererComponent 87: * 88: * @param list List of items for which to the background and foreground 89: * colors 90: * @param value object that should be rendered in the cell 91: * @param index index of the cell in the list of items. 92: * @param isSelected draw cell highlighted if isSelected is true 93: * @param cellHasFocus draw focus rectangle around cell if the cell has 94: * focus 95: * 96: * @return Component that will be used to draw the desired cell. 97: */ 98: public Component getListCellRendererComponent(JList list, Object value, 99: int index, boolean isSelected, 100: boolean cellHasFocus) 101: { 102: String s = value.toString(); 103: setText(s); 104: setOpaque(true); 105: 106: UIDefaults defaults = UIManager.getLookAndFeelDefaults(); 107: 108: if (isSelected) 109: { 110: setBackground(list.getSelectionBackground()); 111: setForeground(list.getSelectionForeground()); 112: } 113: else 114: { 115: setBackground(list.getBackground()); 116: setForeground(list.getForeground()); 117: } 118: 119: setEnabled(list.isEnabled()); 120: setFont(list.getFont()); 121: 122: // Use focusCellHighlightBorder when renderer has focus and 123: // noFocusBorder otherwise 124: if (cellHasFocus) 125: setBorder(UIManager.getBorder("List.focusCellHighlightBorder")); 126: else 127: setBorder(noFocusBorder); 128: 129: return this; 130: } 131: 132: public static class UIResource extends BasicComboBoxRenderer 133: implements javax.swing.plaf.UIResource 134: { 135: /** 136: * Creates a new UIResource object. 137: */ 138: public UIResource() 139: { 140: } 141: } 142: }
GNU Classpath (0.17) |