ScrollPane with Table: The border of buttons that are added to one of the four scroll pane corners are now removed if the center component is a table. Also, these corner buttons are made not focusable.

This commit is contained in:
Karl Tauber
2020-01-08 23:25:57 +01:00
parent e7d5e22960
commit 41e2888bf1
4 changed files with 74 additions and 15 deletions

View File

@@ -25,11 +25,15 @@ import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JViewport;
import javax.swing.LookAndFeel;
import javax.swing.ScrollPaneConstants;
import javax.swing.UIManager;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicScrollPaneUI;
@@ -97,17 +101,35 @@ public class FlatScrollPaneUI
public void propertyChange( PropertyChangeEvent e ) {
super.propertyChange( e );
if( FlatClientProperties.SCROLL_BAR_SHOW_BUTTONS.equals( e.getPropertyName() ) ) {
JScrollBar vsb = scrollpane.getVerticalScrollBar();
JScrollBar hsb = scrollpane.getHorizontalScrollBar();
if( vsb != null ) {
vsb.revalidate();
vsb.repaint();
}
if( hsb != null ) {
hsb.revalidate();
hsb.repaint();
}
switch( e.getPropertyName() ) {
case FlatClientProperties.SCROLL_BAR_SHOW_BUTTONS:
JScrollBar vsb = scrollpane.getVerticalScrollBar();
JScrollBar hsb = scrollpane.getHorizontalScrollBar();
if( vsb != null ) {
vsb.revalidate();
vsb.repaint();
}
if( hsb != null ) {
hsb.revalidate();
hsb.repaint();
}
break;
case ScrollPaneConstants.LOWER_LEFT_CORNER:
case ScrollPaneConstants.LOWER_RIGHT_CORNER:
case ScrollPaneConstants.UPPER_LEFT_CORNER:
case ScrollPaneConstants.UPPER_RIGHT_CORNER:
// remove border from buttons added to corners
Object corner = e.getNewValue();
if( corner instanceof JButton &&
((JButton)corner).getBorder() instanceof FlatButtonBorder &&
scrollpane.getViewport() != null &&
scrollpane.getViewport().getView() instanceof JTable )
{
((JButton)corner).setBorder( BorderFactory.createEmptyBorder() );
((JButton)corner).setFocusable( false );
}
break;
}
}
};