| /* BasicTableUI.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.Color; |
| import java.awt.Component; |
| import java.awt.Dimension; |
| import java.awt.Graphics; |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.event.FocusEvent; |
| import java.awt.event.FocusListener; |
| import java.awt.event.KeyEvent; |
| import java.awt.event.KeyListener; |
| import java.awt.event.MouseEvent; |
| |
| import javax.swing.CellRendererPane; |
| import javax.swing.JComponent; |
| import javax.swing.JTable; |
| import javax.swing.ListSelectionModel; |
| import javax.swing.UIDefaults; |
| import javax.swing.UIManager; |
| import javax.swing.event.MouseInputListener; |
| import javax.swing.plaf.ComponentUI; |
| import javax.swing.plaf.TableUI; |
| import javax.swing.table.TableCellRenderer; |
| import javax.swing.table.TableColumn; |
| import javax.swing.table.TableColumnModel; |
| |
| public class BasicTableUI |
| extends TableUI |
| { |
| public static ComponentUI createUI(JComponent comp) |
| { |
| return new BasicTableUI(); |
| } |
| |
| protected FocusListener focusListener; |
| protected KeyListener keyListener; |
| protected MouseInputListener mouseInputListener; |
| protected CellRendererPane rendererPane; |
| protected JTable table; |
| |
| class FocusHandler implements FocusListener |
| { |
| public void focusGained(FocusEvent e) |
| { |
| } |
| public void focusLost(FocusEvent e) |
| { |
| } |
| } |
| |
| class KeyHandler implements KeyListener |
| { |
| public void keyPressed(KeyEvent e) |
| { |
| } |
| public void keyReleased(KeyEvent e) |
| { |
| } |
| public void keyTyped(KeyEvent e) |
| { |
| } |
| } |
| |
| class MouseInputHandler implements MouseInputListener |
| { |
| Point begin, curr; |
| |
| private void updateSelection() |
| { |
| if (table.getRowSelectionAllowed()) |
| { |
| int lo_row = table.rowAtPoint(begin); |
| int hi_row = table.rowAtPoint(curr); |
| ListSelectionModel rowModel = table.getSelectionModel(); |
| if (lo_row != -1 && hi_row != -1) |
| rowModel.setSelectionInterval(lo_row, hi_row); |
| } |
| |
| if (table.getColumnSelectionAllowed()) |
| { |
| int lo_col = table.columnAtPoint(begin); |
| int hi_col = table.columnAtPoint(curr); |
| ListSelectionModel colModel = table.getColumnModel().getSelectionModel(); |
| if (lo_col != -1 && hi_col != -1) |
| colModel.setSelectionInterval(lo_col, hi_col); |
| } |
| } |
| |
| public void mouseClicked(MouseEvent e) |
| { |
| } |
| public void mouseDragged(MouseEvent e) |
| { |
| curr = new Point(e.getX(), e.getY()); |
| updateSelection(); |
| } |
| public void mouseEntered(MouseEvent e) |
| { |
| } |
| public void mouseExited(MouseEvent e) |
| { |
| } |
| public void mouseMoved(MouseEvent e) |
| { |
| } |
| public void mousePressed(MouseEvent e) |
| { |
| begin = new Point(e.getX(), e.getY()); |
| curr = new Point(e.getX(), e.getY()); |
| updateSelection(); |
| } |
| public void mouseReleased(MouseEvent e) |
| { |
| begin = null; |
| curr = null; |
| } |
| } |
| |
| protected FocusListener createFocusListener() |
| { |
| return new FocusHandler(); |
| } |
| protected KeyListener createKeyListener() |
| { |
| return new KeyHandler(); |
| } |
| protected MouseInputListener createMouseInputListener() |
| { |
| return new MouseInputHandler(); |
| } |
| |
| public Dimension getMaximumSize(JComponent comp) |
| { |
| return getPreferredSize(comp); |
| } |
| |
| public Dimension getMinimumSize(JComponent comp) |
| { |
| return getPreferredSize(comp); |
| } |
| |
| public Dimension getPreferredSize(JComponent comp) |
| { |
| int width = table.getColumnModel().getTotalColumnWidth(); |
| int height = table.getRowCount() * table.getRowHeight(); |
| return new Dimension(width, height); |
| } |
| |
| protected void installDefaults() |
| { |
| UIDefaults defaults = UIManager.getLookAndFeelDefaults(); |
| table.setFont(defaults.getFont("Table.font")); |
| table.setGridColor(defaults.getColor("Table.gridColor")); |
| table.setForeground(defaults.getColor("Table.foreground")); |
| table.setBackground(defaults.getColor("Table.background")); |
| table.setSelectionForeground(defaults.getColor("Table.selectionForeground")); |
| table.setSelectionBackground(defaults.getColor("Table.selectionBackground")); |
| table.setOpaque(true); |
| } |
| protected void installKeyboardActions() |
| { |
| } |
| |
| protected void installListeners() |
| { |
| table.addFocusListener(focusListener); |
| table.addKeyListener(keyListener); |
| table.addMouseListener(mouseInputListener); |
| } |
| |
| protected void uninstallDefaults() |
| { |
| table.setFont(null); |
| table.setGridColor(null); |
| table.setForeground(null); |
| table.setBackground(null); |
| table.setSelectionForeground(null); |
| table.setSelectionBackground(null); |
| } |
| |
| protected void uninstallKeyboardActions() |
| { |
| } |
| |
| protected void uninstallListeners() |
| { |
| table.removeFocusListener(focusListener); |
| table.removeKeyListener(keyListener); |
| table.removeMouseListener(mouseInputListener); |
| } |
| |
| public void installUI(JComponent comp) |
| { |
| table = (JTable)comp; |
| focusListener = createFocusListener(); |
| keyListener = createKeyListener(); |
| mouseInputListener = createMouseInputListener(); |
| installDefaults(); |
| installKeyboardActions(); |
| installListeners(); |
| } |
| |
| public void uninstallUI(JComponent c) |
| { |
| uninstallListeners(); |
| uninstallKeyboardActions(); |
| uninstallDefaults(); |
| } |
| |
| public void paint(Graphics gfx, JComponent ignored) |
| { |
| int ncols = table.getColumnCount(); |
| int nrows = table.getRowCount(); |
| if (nrows == 0 || ncols == 0) |
| return; |
| |
| Rectangle clip = gfx.getClipBounds(); |
| TableColumnModel cols = table.getColumnModel(); |
| |
| int height = table.getRowHeight(); |
| int x0 = 0, y0 = 0; |
| int x = x0; |
| int y = y0; |
| |
| Dimension gap = table.getIntercellSpacing(); |
| int ymax = clip.y + clip.height; |
| int xmax = clip.x + clip.width; |
| |
| // paint the cell contents |
| for (int c = 0; c < ncols && x < xmax; ++c) |
| { |
| y = y0; |
| TableColumn col = cols.getColumn(c); |
| int width = col.getWidth(); |
| int modelCol = col.getModelIndex(); |
| |
| for (int r = 0; r < nrows && y < ymax; ++r) |
| { |
| Rectangle bounds = new Rectangle(x, y, width, height); |
| if (bounds.intersects(clip)) |
| { |
| TableCellRenderer rend = table.getCellRenderer(r, c); |
| Component comp = table.prepareRenderer(rend, r, c); |
| gfx.translate(x, y); |
| comp.setBounds(new Rectangle(0, 0, width, height)); |
| comp.paint(gfx); |
| gfx.translate(-x, -y); |
| } |
| y += height; |
| if (gap != null) |
| y += gap.height; |
| } |
| x += width; |
| if (gap != null) |
| x += gap.width; |
| } |
| |
| // tighten up the x and y max bounds |
| ymax = y; |
| xmax = x; |
| |
| Color grid = table.getGridColor(); |
| |
| // paint vertical grid lines |
| if (grid != null && table.getShowVerticalLines()) |
| { |
| x = x0; |
| Color save = gfx.getColor(); |
| gfx.setColor(grid); |
| boolean paintedLine = false; |
| for (int c = 0; c < ncols && x < xmax; ++c) |
| { |
| x += cols.getColumn(c).getWidth();; |
| if (gap != null) |
| x += gap.width; |
| gfx.drawLine(x, y0, x, ymax); |
| paintedLine = true; |
| } |
| gfx.setColor(save); |
| } |
| |
| // paint horizontal grid lines |
| if (grid != null && table.getShowHorizontalLines()) |
| { |
| y = y0; |
| Color save = gfx.getColor(); |
| gfx.setColor(grid); |
| boolean paintedLine = false; |
| for (int r = 0; r < nrows && y < ymax; ++r) |
| { |
| y += height; |
| if (gap != null) |
| y += gap.height; |
| gfx.drawLine(x0, y, xmax, y); |
| paintedLine = true; |
| } |
| gfx.setColor(save); |
| } |
| |
| } |
| |
| } |