META-INF.modules.java.desktop.classes.javax.swing.plaf.synth.SynthTableHeaderUI Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* This code is free software; you can redistribute it and/or modify it
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* 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.
*
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package javax.swing.plaf.synth;
import java.awt.*;
import java.beans.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import javax.swing.table.*;
import sun.swing.table.*;
/**
* Provides the Synth L&F UI delegate for
* {@link javax.swing.table.JTableHeader}.
*
* @author Alan Chung
* @author Philip Milne
* @since 1.7
*/
public class SynthTableHeaderUI extends BasicTableHeaderUI
implements PropertyChangeListener, SynthUI {
//
// Instance Variables
//
private TableCellRenderer prevRenderer = null;
private SynthStyle style;
/**
* Creates a new UI object for the given component.
*
* @param h component to create UI object for
* @return the UI object
*/
public static ComponentUI createUI(JComponent h) {
return new SynthTableHeaderUI();
}
/**
* {@inheritDoc}
*/
@Override
protected void installDefaults() {
prevRenderer = header.getDefaultRenderer();
if (prevRenderer instanceof UIResource) {
header.setDefaultRenderer(new HeaderRenderer());
}
updateStyle(header);
}
private void updateStyle(JTableHeader c) {
SynthContext context = getContext(c, ENABLED);
SynthStyle oldStyle = style;
style = SynthLookAndFeel.updateStyle(context, this);
if (style != oldStyle) {
if (oldStyle != null) {
uninstallKeyboardActions();
installKeyboardActions();
}
}
}
/**
* {@inheritDoc}
*/
@Override
protected void installListeners() {
super.installListeners();
header.addPropertyChangeListener(this);
}
/**
* {@inheritDoc}
*/
@Override
protected void uninstallDefaults() {
if (header.getDefaultRenderer() instanceof HeaderRenderer) {
header.setDefaultRenderer(prevRenderer);
}
SynthContext context = getContext(header, ENABLED);
style.uninstallDefaults(context);
style = null;
}
/**
* {@inheritDoc}
*/
@Override
protected void uninstallListeners() {
header.removePropertyChangeListener(this);
super.uninstallListeners();
}
/**
* Notifies this UI delegate to repaint the specified component.
* This method paints the component background, then calls
* the {@link #paint(SynthContext,Graphics)} method.
*
* In general, this method does not need to be overridden by subclasses.
* All Look and Feel rendering code should reside in the {@code paint} method.
*
* @param g the {@code Graphics} object used for painting
* @param c the component being painted
* @see #paint(SynthContext,Graphics)
*/
@Override
public void update(Graphics g, JComponent c) {
SynthContext context = getContext(c);
SynthLookAndFeel.update(context, g);
context.getPainter().paintTableHeaderBackground(context,
g, 0, 0, c.getWidth(), c.getHeight());
paint(context, g);
}
/**
* Paints the specified component according to the Look and Feel.
*
This method is not used by Synth Look and Feel.
* Painting is handled by the {@link #paint(SynthContext,Graphics)} method.
*
* @param g the {@code Graphics} object used for painting
* @param c the component being painted
* @see #paint(SynthContext,Graphics)
*/
@Override
public void paint(Graphics g, JComponent c) {
SynthContext context = getContext(c);
paint(context, g);
}
/**
* Paints the specified component.
*
* @param context context for the component being painted
* @param g the {@code Graphics} object used for painting
* @see #update(Graphics,JComponent)
*/
protected void paint(SynthContext context, Graphics g) {
super.paint(g, context.getComponent());
}
/**
* {@inheritDoc}
*/
@Override
public void paintBorder(SynthContext context, Graphics g, int x,
int y, int w, int h) {
context.getPainter().paintTableHeaderBorder(context, g, x, y, w, h);
}
//
// SynthUI
//
/**
* {@inheritDoc}
*/
@Override
public SynthContext getContext(JComponent c) {
return getContext(c, SynthLookAndFeel.getComponentState(c));
}
private SynthContext getContext(JComponent c, int state) {
return SynthContext.getContext(c, style, state);
}
/**
* {@inheritDoc}
*/
@Override
protected void rolloverColumnUpdated(int oldColumn, int newColumn) {
header.repaint(header.getHeaderRect(oldColumn));
header.repaint(header.getHeaderRect(newColumn));
}
/**
* {@inheritDoc}
*/
@Override
public void propertyChange(PropertyChangeEvent evt) {
if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
updateStyle((JTableHeader)evt.getSource());
}
}
@SuppressWarnings("serial") // Superclass is not serializable across versions
private class HeaderRenderer extends DefaultTableCellHeaderRenderer {
HeaderRenderer() {
setHorizontalAlignment(JLabel.LEADING);
setName("TableHeader.renderer");
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected,
boolean hasFocus,
int row, int column) {
boolean hasRollover = (column == getRolloverColumn());
if (isSelected || hasRollover || hasFocus) {
boolean enabled = (table == null)? true : table.isEnabled();
SynthLookAndFeel.setSelectedUI((SynthLabelUI)SynthLookAndFeel.
getUIOfType(getUI(), SynthLabelUI.class),
isSelected, hasFocus, enabled,
hasRollover);
} else {
SynthLookAndFeel.resetSelectedUI();
}
//stuff a variable into the client property of this renderer indicating the sort order,
//so that different rendering can be done for the header based on sorted state.
RowSorter rs = table == null ? null : table.getRowSorter();
java.util.List sortKeys = rs == null ? null : rs.getSortKeys();
if (sortKeys != null && sortKeys.size() > 0 && sortKeys.get(0).getColumn() ==
table.convertColumnIndexToModel(column)) {
switch(sortKeys.get(0).getSortOrder()) {
case ASCENDING:
putClientProperty("Table.sortOrder", "ASCENDING");
break;
case DESCENDING:
putClientProperty("Table.sortOrder", "DESCENDING");
break;
case UNSORTED:
putClientProperty("Table.sortOrder", "UNSORTED");
break;
default:
throw new AssertionError("Cannot happen");
}
} else {
putClientProperty("Table.sortOrder", "UNSORTED");
}
super.getTableCellRendererComponent(table, value, isSelected,
hasFocus, row, column);
return this;
}
@Override
public void setBorder(Border border) {
if (border instanceof SynthBorder) {
super.setBorder(border);
}
}
}
}