| /* BasicTableHeaderUI.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.awt.Graphics; |
| import java.awt.Rectangle; |
| import java.awt.event.MouseEvent; |
| |
| import javax.swing.CellRendererPane; |
| import javax.swing.JComponent; |
| import javax.swing.UIDefaults; |
| import javax.swing.UIManager; |
| import javax.swing.border.Border; |
| import javax.swing.event.MouseInputListener; |
| import javax.swing.plaf.ComponentUI; |
| import javax.swing.plaf.TableHeaderUI; |
| import javax.swing.table.JTableHeader; |
| import javax.swing.table.TableCellRenderer; |
| import javax.swing.table.TableColumn; |
| import javax.swing.table.TableColumnModel; |
| |
| public class BasicTableHeaderUI |
| extends TableHeaderUI |
| { |
| |
| public static ComponentUI createUI(JComponent h) |
| { |
| return new BasicTableHeaderUI(); |
| } |
| |
| protected JTableHeader header; |
| protected MouseInputListener mouseInputListener; |
| protected CellRendererPane rendererPane; |
| protected Border cellBorder; |
| |
| class MouseInputHandler |
| implements MouseInputListener |
| { |
| public void mouseClicked(MouseEvent e) {} |
| public void mouseDragged(MouseEvent e) {} |
| public void mouseEntered(MouseEvent e) {} |
| public void mouseExited(MouseEvent e) {} |
| public void mouseMoved(MouseEvent e) {} |
| public void mousePressed(MouseEvent e) {} |
| public void mouseReleased(MouseEvent e) {} |
| } |
| |
| protected MouseInputListener createMouseInputListener() |
| { |
| return new MouseInputHandler(); |
| } |
| |
| public BasicTableHeaderUI() |
| { |
| mouseInputListener = createMouseInputListener(); |
| } |
| |
| protected void installDefaults() |
| { |
| UIDefaults defaults = UIManager.getLookAndFeelDefaults(); |
| header.setBackground(defaults.getColor("TableHeader.background")); |
| header.setForeground(defaults.getColor("TableHeader.foreground")); |
| header.setFont(defaults.getFont("TableHeader.font")); |
| cellBorder = defaults.getBorder("TableHeader.cellBorder"); |
| } |
| |
| protected void installKeyboardActions() |
| { |
| } |
| |
| protected void installListeners() |
| { |
| header.addMouseListener(mouseInputListener); |
| } |
| |
| public void installUI(JComponent c) |
| { |
| header = (JTableHeader) c; |
| installDefaults(); |
| installKeyboardActions(); |
| installListeners(); |
| } |
| |
| protected void uninstallDefaults() |
| { |
| header.setBackground(null); |
| header.setForeground(null); |
| header.setFont(null); |
| } |
| |
| protected void uninstallKeyboardActions() |
| { |
| } |
| |
| protected void uninstallListeners() |
| { |
| header.removeMouseListener(mouseInputListener); |
| } |
| |
| public void uninstallUI(JComponent c) |
| { |
| uninstallListeners(); |
| uninstallKeyboardActions(); |
| uninstallDefaults(); |
| } |
| |
| public void paint(Graphics gfx, JComponent c) |
| { |
| TableColumnModel cmod = header.getColumnModel(); |
| int ncols = cmod.getColumnCount(); |
| if (ncols == 0) |
| return; |
| |
| Rectangle clip = gfx.getClipBounds(); |
| TableCellRenderer defaultRend = header.getDefaultRenderer(); |
| |
| for (int i = 0; i < ncols; ++i) |
| { |
| Rectangle bounds = header.getHeaderRect(i); |
| if (bounds.intersects(clip)) |
| { |
| TableColumn col = cmod.getColumn(i); |
| TableCellRenderer rend = col.getHeaderRenderer(); |
| if (rend == null) |
| rend = defaultRend; |
| Object val = col.getHeaderValue(); |
| Component comp = rend.getTableCellRendererComponent(header.getTable(), |
| val, |
| false, // isSelected |
| false, // isFocused |
| -1, i); |
| comp.setFont(header.getFont()); |
| comp.setBackground(header.getBackground()); |
| comp.setForeground(header.getForeground()); |
| if (comp instanceof JComponent) |
| ((JComponent)comp).setBorder(cellBorder); |
| gfx.translate(bounds.x, bounds.y); |
| comp.setSize(bounds.width, bounds.height); |
| comp.setLocation(0,0); |
| comp.paint(gfx); |
| gfx.translate(-bounds.x, -bounds.y); |
| } |
| } |
| |
| } |
| |
| public Dimension getPreferredSize(JComponent c) |
| { |
| TableColumnModel cmod = header.getColumnModel(); |
| TableCellRenderer defaultRend = header.getDefaultRenderer(); |
| int ncols = cmod.getColumnCount(); |
| Dimension ret = new Dimension(0,0); |
| int spacing = 0; |
| |
| if (header.getTable() != null |
| && header.getTable().getIntercellSpacing() != null) |
| spacing = header.getTable().getIntercellSpacing().width; |
| |
| for (int i = 0; i < ncols; ++i) |
| { |
| TableColumn col = cmod.getColumn(i); |
| TableCellRenderer rend = col.getHeaderRenderer(); |
| if (rend == null) |
| rend = defaultRend; |
| Object val = col.getHeaderValue(); |
| Component comp = rend.getTableCellRendererComponent(header.getTable(), |
| val, |
| false, // isSelected |
| false, // isFocused |
| -1, i); |
| comp.setFont(header.getFont()); |
| comp.setBackground(header.getBackground()); |
| comp.setForeground(header.getForeground()); |
| if (comp instanceof JComponent) |
| ((JComponent)comp).setBorder(cellBorder); |
| |
| Dimension d = comp.getPreferredSize(); |
| ret.width += spacing; |
| ret.height = Math.max(d.height, ret.height); |
| } |
| ret.width = cmod.getTotalColumnWidth(); |
| return ret; |
| } |
| |
| |
| } |