mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			1056 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			Java
		
	
	
	
			
		
		
	
	
			1056 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			Java
		
	
	
	
| /* JTableHeader.java --
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|    Copyright (C) 2003, 2004, 2005, 2006,  Free Software Foundation, Inc.
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| 
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| This file is part of GNU Classpath.
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| 
 | |
| GNU Classpath is free software; you can redistribute it and/or modify
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| it under the terms of the GNU General Public License as published by
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| the Free Software Foundation; either version 2, or (at your option)
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| any later version.
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| 
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| GNU Classpath is distributed in the hope that it will be useful, but
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| WITHOUT ANY WARRANTY; without even the implied warranty of
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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| General Public License for more details.
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| 
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| 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
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| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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| 02110-1301 USA.
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| 
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| Linking this library statically or dynamically with other modules is
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| making a combined work based on this library.  Thus, the terms and
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| conditions of the GNU General Public License cover the whole
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| combination.
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| 
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| As a special exception, the copyright holders of this library give you
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| permission to link this library with independent modules to produce an
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| executable, regardless of the license terms of these independent
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| modules, and to copy and distribute the resulting executable under
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| terms of your choice, provided that you also meet, for each linked
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| independent module, the terms and conditions of the license of that
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| module.  An independent module is a module which is not derived from
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| or based on this library.  If you modify this library, you may extend
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| this exception to your version of the library, but you are not
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| obligated to do so.  If you do not wish to do so, delete this
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| exception statement from your version. */
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| 
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| 
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| package javax.swing.table;
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| 
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| import java.awt.Color;
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| import java.awt.Component;
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| import java.awt.Cursor;
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| import java.awt.Dimension;
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| import java.awt.Font;
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| import java.awt.FontMetrics;
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| import java.awt.Point;
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| import java.awt.Rectangle;
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| import java.awt.event.FocusListener;
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| import java.beans.PropertyChangeListener;
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| import java.util.Locale;
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| 
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| import javax.accessibility.Accessible;
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| import javax.accessibility.AccessibleAction;
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| import javax.accessibility.AccessibleComponent;
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| import javax.accessibility.AccessibleContext;
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| import javax.accessibility.AccessibleRole;
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| import javax.accessibility.AccessibleSelection;
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| import javax.accessibility.AccessibleStateSet;
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| import javax.accessibility.AccessibleText;
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| import javax.accessibility.AccessibleValue;
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| import javax.swing.JComponent;
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| import javax.swing.JTable;
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| import javax.swing.UIManager;
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| import javax.swing.event.ChangeEvent;
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| import javax.swing.event.ListSelectionEvent;
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| import javax.swing.event.TableColumnModelEvent;
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| import javax.swing.event.TableColumnModelListener;
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| import javax.swing.plaf.TableHeaderUI;
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| 
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| /**
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|  * Represents the table header. The header displays the column header values,
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|  * is always visible event if the rest of the table scrolls up and down and
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|  * supports column reordering and resizing with mouse.
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|  */
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| public class JTableHeader extends JComponent
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|   implements TableColumnModelListener, Accessible
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| {
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|   protected class AccessibleJTableHeader extends AccessibleJComponent
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|   {
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|     protected class AccessibleJTableHeaderEntry extends AccessibleContext
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|       implements Accessible, AccessibleComponent
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|     {
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| 
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|       private int columnIndex;
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| 
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|       private JTableHeader parent;
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| 
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|       private JTable table;
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| 
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|       public AccessibleJTableHeaderEntry(int c, JTableHeader p, JTable t)
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|       {
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|         columnIndex = c;
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|         parent = p;
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|         table = t;
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|       }
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| 
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|       /**
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|        * Returns the column header renderer.
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|        *
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|        * @return The column header renderer.
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|        */
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|       Component getColumnHeaderRenderer()
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|       {
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|         TableColumn tc = parent.getColumnModel().getColumn(columnIndex);
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|         TableCellRenderer r = tc.getHeaderRenderer();
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|         if (r == null)
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|           r = parent.getDefaultRenderer();
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|         return r.getTableCellRendererComponent(table, tc.headerValue,
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|             false, false, -1, columnIndex);
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|       }
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| 
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|       /**
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|        * Returns the accessible context for the column header renderer, or
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|        * <code>null</code>.
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|        *
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|        * @return The accessible context.
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|        */
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|       AccessibleContext getAccessibleColumnHeaderRenderer()
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|       {
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|         Component c = getColumnHeaderRenderer();
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|         if (c instanceof Accessible)
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|           return c.getAccessibleContext();
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|         return null;
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|       }
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| 
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|       /**
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|        * @see #removeFocusListener(FocusListener)
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|        */
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|       public void addFocusListener(FocusListener l)
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           c.addFocusListener(l);
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|       }
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| 
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|       /**
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|        * @see #removePropertyChangeListener(PropertyChangeListener)
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|        */
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|       public void addPropertyChangeListener(PropertyChangeListener l)
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|       {
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|         // add the listener to the accessible context for the header
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|         // renderer...
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac != null)
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|           ac.addPropertyChangeListener(l);
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|       }
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| 
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|       public boolean contains(Point p)
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.contains(p);
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|         else
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|           return false;
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|       }
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| 
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|       public AccessibleAction getAccessibleAction()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac instanceof AccessibleAction)
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|           return (AccessibleAction) ac;
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|         else
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|           return null;
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|       }
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| 
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|       public Accessible getAccessibleAt(Point p)
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getAccessibleAt(p);
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|         else
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|           return null;
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|       }
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| 
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|       /**
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|        * Returns <code>null</code> as the header entry has no accessible
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|        * children.
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|        *
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|        * @return <code>null</code>.
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|        */
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|       public Accessible getAccessibleChild(int i)
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|       {
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|         return null;
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|       }
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| 
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|       /**
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|        * Returns the number of accessible children, zero in this case.
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|        *
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|        * @return 0
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|        */
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|       public int getAccessibleChildrenCount()
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|       {
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|         return 0;
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|       }
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| 
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|       /**
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|        * Returns the accessible component for this header entry.
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|        *
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|        * @return <code>this</code>.
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|        */
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|       public AccessibleComponent getAccessibleComponent()
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|       {
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|         return this;
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|       }
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| 
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|       /**
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|        * Returns the accessible context for this header entry.
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|        *
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|        * @return <code>this</code>.
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|        */
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|       public AccessibleContext getAccessibleContext()
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|       {
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|         return this;
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|       }
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| 
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|       /**
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|        * Returns the accessible description.
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|        *
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|        * @return The accessible description.
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|        *
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|        * @see #setAccessibleDescription(String)
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|        */
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|       public String getAccessibleDescription()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac != null)
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|           return ac.getAccessibleDescription();
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|         return accessibleDescription;
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|       }
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| 
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|       /**
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|        * Returns the index of this header entry.
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|        *
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|        * @return The index of this header entry.
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|        */
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|       public int getAccessibleIndexInParent()
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|       {
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|         return columnIndex;
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|       }
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| 
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|       /**
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|        * Returns the accessible name.
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|        *
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|        * @return The accessible name.
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|        *
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|        * @see #setAccessibleName(String)
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|        */
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|       public String getAccessibleName()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac != null)
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|           return ac.getAccessibleName();
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|         return accessibleName;
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|       }
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| 
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|       /**
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|        * Returns the accessible role for the header entry.
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|        *
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|        * @return The accessible role.
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|        */
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|       public AccessibleRole getAccessibleRole()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac != null)
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|           return ac.getAccessibleRole();
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|         else
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|           return null;
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|       }
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| 
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|       public AccessibleSelection getAccessibleSelection()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac instanceof AccessibleValue)
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|           return (AccessibleSelection) ac;
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|         else
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|           return null;
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|       }
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| 
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|       public AccessibleStateSet getAccessibleStateSet()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac != null)
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|           return ac.getAccessibleStateSet();
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|         else
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|           return null;
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|       }
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| 
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|       public AccessibleText getAccessibleText()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac != null)
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|           return ac.getAccessibleText();
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|         else
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|           return null;
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|       }
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| 
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|       public AccessibleValue getAccessibleValue()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac instanceof AccessibleValue)
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|           return (AccessibleValue) ac;
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|         else
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|           return null;
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|       }
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| 
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|       public Color getBackground()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getBackground();
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|         else
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|           return null;
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|       }
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| 
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|       public Rectangle getBounds()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getBounds();
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|         else
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|           return null;
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|       }
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| 
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|       public Cursor getCursor()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getCursor();
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|         else
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|           return null;
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|       }
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| 
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|       public Font getFont()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getFont();
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|         else
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|           return null;
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|       }
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| 
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|       public FontMetrics getFontMetrics(Font f)
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getFontMetrics(f);
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|         else
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|           return null;
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|       }
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| 
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|       public Color getForeground()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getForeground();
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|         else
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|           return null;
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|       }
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| 
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|       public Locale getLocale()
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|       {
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|         Component c = getColumnHeaderRenderer();
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|         if (c != null)
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|           return c.getLocale();
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|         return null;
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|       }
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| 
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|       public Point getLocation()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getLocation();
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|         else
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|           return null;
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|       }
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| 
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|       public Point getLocationOnScreen()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getLocationOnScreen();
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|         else
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|           return null;
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|       }
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| 
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|       public Dimension getSize()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.getSize();
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|         else
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|           return null;
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|       }
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| 
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|       public boolean isEnabled()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.isEnabled();
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|         else
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|           return false;
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|       }
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| 
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|       public boolean isFocusTraversable()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.isFocusTraversable();
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|         else
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|           return false;
 | |
|       }
 | |
| 
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|       public boolean isShowing()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.isShowing();
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|         else
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|           return false;
 | |
|       }
 | |
| 
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|       public boolean isVisible()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
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|         if (c != null)
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|           return c.isVisible();
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|         else
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|           return false;
 | |
|       }
 | |
| 
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|       /**
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|        * @see #addFocusListener(FocusListener)
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|        */
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|       public void removeFocusListener(FocusListener l)
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
 | |
|         if (c != null)
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|           c.removeFocusListener(l);
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|       }
 | |
| 
 | |
|       /**
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|        * @see #addPropertyChangeListener(PropertyChangeListener)
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|        */
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|       public void removePropertyChangeListener(PropertyChangeListener l)
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac != null)
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|           ac.removePropertyChangeListener(l);
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|       }
 | |
| 
 | |
|       /**
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|        * @see #addFocusListener(FocusListener)
 | |
|        */
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|       public void requestFocus()
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|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         AccessibleComponent c = ac.getAccessibleComponent();
 | |
|         if (c != null)
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|           c.requestFocus();
 | |
|       }
 | |
| 
 | |
|       /**
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|        * @see #getAccessibleDescription()
 | |
|        */
 | |
|       public void setAccessibleDescription(String s)
 | |
|       {
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|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
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|         if (ac != null)
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|           ac.setAccessibleDescription(s);
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|         else
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|           accessibleDescription = s;
 | |
|       }
 | |
| 
 | |
|       /**
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|        * @see #getAccessibleName()
 | |
|        */
 | |
|       public void setAccessibleName(String s)
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|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         if (ac != null)
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|           ac.setAccessibleName(s);
 | |
|       }
 | |
| 
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|       public void setBackground(Color c)
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|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         AccessibleComponent comp = ac.getAccessibleComponent();
 | |
|         if (comp != null)
 | |
|           comp.setBackground(c);
 | |
|       }
 | |
| 
 | |
|       public void setBounds(Rectangle r)
 | |
|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         AccessibleComponent comp = ac.getAccessibleComponent();
 | |
|         if (comp != null)
 | |
|           comp.setBounds(r);
 | |
|       }
 | |
| 
 | |
|       public void setCursor(Cursor c)
 | |
|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         AccessibleComponent comp = ac.getAccessibleComponent();
 | |
|         if (comp != null)
 | |
|           comp.setCursor(c);
 | |
|       }
 | |
| 
 | |
|       public void setEnabled(boolean b)
 | |
|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         AccessibleComponent comp = ac.getAccessibleComponent();
 | |
|         if (comp != null)
 | |
|           comp.setEnabled(b);
 | |
|       }
 | |
| 
 | |
|       public void setFont(Font f)
 | |
|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         AccessibleComponent comp = ac.getAccessibleComponent();
 | |
|         if (comp != null)
 | |
|           comp.setFont(f);
 | |
|       }
 | |
| 
 | |
|       public void setForeground(Color c)
 | |
|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         AccessibleComponent comp = ac.getAccessibleComponent();
 | |
|         if (comp != null)
 | |
|           comp.setForeground(c);
 | |
|       }
 | |
| 
 | |
|       public void setLocation(Point p)
 | |
|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         AccessibleComponent comp = ac.getAccessibleComponent();
 | |
|         if (comp != null)
 | |
|           comp.setLocation(p);
 | |
|       }
 | |
| 
 | |
|       public void setSize(Dimension d)
 | |
|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         AccessibleComponent comp = ac.getAccessibleComponent();
 | |
|         if (comp != null)
 | |
|           comp.setSize(d);
 | |
|       }
 | |
| 
 | |
|       public void setVisible(boolean b)
 | |
|       {
 | |
|         AccessibleContext ac = getAccessibleColumnHeaderRenderer();
 | |
|         AccessibleComponent comp = ac.getAccessibleComponent();
 | |
|         if (comp != null)
 | |
|           comp.setVisible(b);
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     public AccessibleRole getAccessibleRole()
 | |
|     {
 | |
|       return AccessibleRole.PANEL;
 | |
|     }
 | |
| 
 | |
|     public int getAccessibleChildrenCount()
 | |
|     {
 | |
|       return table.getColumnCount();
 | |
|     }
 | |
| 
 | |
|     public Accessible getAccessibleChild(int i)
 | |
|     {
 | |
|       return new AccessibleJTableHeaderEntry(i, JTableHeader.this, table);
 | |
|     }
 | |
| 
 | |
|     public Accessible getAccessibleAt(Point p)
 | |
|     {
 | |
|       return getAccessibleChild(columnAtPoint(p));
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Use serialVersionUid for interoperability.
 | |
|    */
 | |
|   private static final long serialVersionUID = 5144633983372967710L;
 | |
| 
 | |
|   /**
 | |
|    * The columnModel property.
 | |
|    */
 | |
|   protected TableColumnModel columnModel;
 | |
| 
 | |
|   /**
 | |
|    * The draggedColumn property.
 | |
|    */
 | |
|   protected TableColumn draggedColumn;
 | |
| 
 | |
|   /**
 | |
|    * The draggedDistance property.
 | |
|    */
 | |
|   protected int draggedDistance;
 | |
| 
 | |
|   /**
 | |
|    * The opaque property.
 | |
|    */
 | |
|   boolean opaque;
 | |
| 
 | |
|   /**
 | |
|    * The reorderingAllowed property.
 | |
|    */
 | |
|   protected boolean reorderingAllowed;
 | |
| 
 | |
|   /**
 | |
|    * The resizingAllowed property.
 | |
|    */
 | |
|   protected boolean resizingAllowed = true;
 | |
| 
 | |
|   /**
 | |
|    * The resizingColumn property.
 | |
|    */
 | |
|   protected TableColumn resizingColumn;
 | |
| 
 | |
|   /**
 | |
|    * The table property.
 | |
|    */
 | |
|   protected JTable table;
 | |
| 
 | |
|   /**
 | |
|    * The updateTableInRealTime property.
 | |
|    */
 | |
|   protected boolean updateTableInRealTime;
 | |
| 
 | |
|   TableCellRenderer cellRenderer;
 | |
| 
 | |
|   /**
 | |
|    * Creates a new default instance.
 | |
|    */
 | |
|   public JTableHeader()
 | |
|   {
 | |
|     this(null);
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Creates a new header.  If <code>cm</code> is <code>null</code>, a new
 | |
|    * table column model is created by calling
 | |
|    * {@link #createDefaultColumnModel()}.
 | |
|    *
 | |
|    * @param cm  the table column model (<code>null</code> permitted).
 | |
|    */
 | |
|   public JTableHeader(TableColumnModel cm)
 | |
|   {
 | |
|     columnModel = cm == null ? createDefaultColumnModel() : cm;
 | |
|     initializeLocalVars();
 | |
|     updateUI();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Creates a default table column model.
 | |
|    *
 | |
|    * @return A default table column model.
 | |
|    */
 | |
|   protected TableColumnModel createDefaultColumnModel()
 | |
|   {
 | |
|     return new DefaultTableColumnModel();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Get the value of the {@link #accessibleContext} property.
 | |
|    *
 | |
|    * @return The current value of the property
 | |
|    */
 | |
|   public AccessibleContext getAccessibleContext()
 | |
|   {
 | |
|     return accessibleContext;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Get the value of the {@link #columnModel} property.
 | |
|    *
 | |
|    * @return The current value of the property
 | |
|    */
 | |
|   public TableColumnModel getColumnModel()
 | |
|   {
 | |
|     return columnModel;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Get the column that is currently being dragged. This is used when
 | |
|    * handling the column reordering with mouse.
 | |
|    *
 | |
|    * @return the column being dragged, null if none.
 | |
|    */
 | |
|   public TableColumn getDraggedColumn()
 | |
|   {
 | |
|     return draggedColumn;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Get the value of the {@link #draggedDistance} property.
 | |
|    *
 | |
|    * @return The current value of the property
 | |
|    */
 | |
|   public int getDraggedDistance()
 | |
|   {
 | |
|     return draggedDistance;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Check if it is possible to reorder the table columns by dragging column
 | |
|    * header with mouse. The table reordering is enabled by default, but can be
 | |
|    * disabled with {@link #setReorderingAllowed(boolean)}.
 | |
|    *
 | |
|    * @return true if reordering is allowed, false otherwise.
 | |
|    */
 | |
|   public boolean getReorderingAllowed()
 | |
|   {
 | |
|     return reorderingAllowed;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Check if it is possible to resize the table columns by dragging the column
 | |
|    * boundary in the table header with mouse. The resizing is enabled
 | |
|    * by default, but can be disabled with {@link #setResizingAllowed(boolean)}.
 | |
|    *
 | |
|    * @return true if resizing is allowed, false otherwise.
 | |
|    */
 | |
|   public boolean getResizingAllowed()
 | |
|   {
 | |
|     return resizingAllowed;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Get the column that is currently being resized. This is used when
 | |
|    * handling the column resizing with mouse.
 | |
|    *
 | |
|    * @return the column being currently resized, null if none.
 | |
|    */
 | |
|   public TableColumn getResizingColumn()
 | |
|   {
 | |
|     return resizingColumn;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Get the table, having this header.
 | |
|    *
 | |
|    * @return the table, having this header.
 | |
|    */
 | |
|   public JTable getTable()
 | |
|   {
 | |
|     return table;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Get the value of the {@link #updateTableInRealTime} property.
 | |
|    *
 | |
|    * @return The current value of the property
 | |
|    */
 | |
|   public boolean getUpdateTableInRealTime()
 | |
|   {
 | |
|     return updateTableInRealTime;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Get the value of the {@link #opaque} property.
 | |
|    *
 | |
|    * @return The current value of the property
 | |
|    */
 | |
|   public boolean isOpaque()
 | |
|   {
 | |
|     return opaque;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Set the value of the {@link #columnModel} property.
 | |
|    *
 | |
|    * @param c The new value of the property
 | |
|    */
 | |
|   public void setColumnModel(TableColumnModel c)
 | |
|   {
 | |
|     columnModel.removeColumnModelListener(this);
 | |
|     columnModel = c;
 | |
|     columnModel.addColumnModelListener(this);
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Set the column that is currently being dragged. This is used when
 | |
|    * dragging the column with mouse. Setting to null will stop the
 | |
|    * dragging session immediately.
 | |
|    *
 | |
|    * @param draggingIt the column being currently dragged, null if none.
 | |
|    */
 | |
|   public void setDraggedColumn(TableColumn draggingIt)
 | |
|   {
 | |
|     draggedColumn = draggingIt;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Set the value of the {@link #draggedDistance} property.
 | |
|    *
 | |
|    * @param d The new value of the property
 | |
|    */
 | |
|   public void setDraggedDistance(int d)
 | |
|   {
 | |
|     draggedDistance = d;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Set the value of the {@link #opaque} property.
 | |
|    *
 | |
|    * @param o The new value of the property
 | |
|    */
 | |
|   public void setOpaque(boolean o)
 | |
|   {
 | |
|     opaque = o;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Set the table ability to reorder columns by dragging column header
 | |
|    * with mouse. The table reordering is enabled by default, but can be
 | |
|    * disabled with this method.
 | |
|    *
 | |
|    * @param allowed true if reordering is allowed, false otherwise.
 | |
|    */
 | |
|   public void setReorderingAllowed(boolean allowed)
 | |
|   {
 | |
|     reorderingAllowed = allowed;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Set the table ability to resize columns by dragging the column
 | |
|    * boundary in the table header with mouse. The resizing is enabled
 | |
|    * by default, but can be disabled using this method.
 | |
|    *
 | |
|    * @param allowed true if resizing is allowed, false otherwise.
 | |
|    */
 | |
|   public void setResizingAllowed(boolean allowed)
 | |
|   {
 | |
|     resizingAllowed = allowed;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * The the column that is currently being resized. This property is used
 | |
|    * when handling table resizing with mouse. Setting to null would stop
 | |
|    * the resizing session immediately.
 | |
|    *
 | |
|    * @param resizingIt the column being currently resized
 | |
|    */
 | |
|   public void setResizingColumn(TableColumn resizingIt)
 | |
|   {
 | |
|     resizingColumn = resizingIt;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Set the value of the {@link #table} property.
 | |
|    *
 | |
|    * @param t The new value of the property
 | |
|    */
 | |
|   public void setTable(JTable t)
 | |
|   {
 | |
|     table = t;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Set the value of the {@link #updateTableInRealTime} property.
 | |
|    *
 | |
|    * @param u The new value of the property
 | |
|    */
 | |
|   public void setUpdateTableInRealTime(boolean u)
 | |
|   {
 | |
|     updateTableInRealTime = u;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Creates a default renderer.
 | |
|    *
 | |
|    * @return A default renderer.
 | |
|    */
 | |
|   protected TableCellRenderer createDefaultRenderer()
 | |
|   {
 | |
|     return new DefaultTableCellRenderer();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Returns the default table cell renderer.
 | |
|    *
 | |
|    * @return The default table cell renderer.
 | |
|    */
 | |
|   public TableCellRenderer getDefaultRenderer()
 | |
|   {
 | |
|     return cellRenderer;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Sets the default table cell renderer.
 | |
|    *
 | |
|    * @param cellRenderer  the renderer.
 | |
|    */
 | |
|   public void setDefaultRenderer(TableCellRenderer cellRenderer)
 | |
|   {
 | |
|     this.cellRenderer = cellRenderer;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Get the rectangle, occupied by the header of the given column.
 | |
|    *
 | |
|    * @param column the column, for that the header area is requested.
 | |
|    *
 | |
|    * @return the column header area.
 | |
|    */
 | |
|   public Rectangle getHeaderRect(int column)
 | |
|   {
 | |
|     Rectangle r = getTable().getCellRect(-1, column, false);
 | |
|     r.height = getHeight();
 | |
|     return r;
 | |
|   }
 | |
| 
 | |
|   protected String paramString()
 | |
|   {
 | |
|     return "JTableHeader";
 | |
|   }
 | |
| 
 | |
|   // UI support
 | |
| 
 | |
|   public String getUIClassID()
 | |
|   {
 | |
|     return "TableHeaderUI";
 | |
|   }
 | |
| 
 | |
|   public TableHeaderUI getUI()
 | |
|   {
 | |
|     return (TableHeaderUI) ui;
 | |
|   }
 | |
| 
 | |
|   public void setUI(TableHeaderUI u)
 | |
|   {
 | |
|     super.setUI(u);
 | |
|   }
 | |
| 
 | |
|   public void updateUI()
 | |
|   {
 | |
|     setUI((TableHeaderUI) UIManager.getUI(this));
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Returns the index of the column at the specified point.
 | |
|    *
 | |
|    * @param point  the point.
 | |
|    *
 | |
|    * @return The column index, or -1.
 | |
|    */
 | |
|   public int columnAtPoint(Point point)
 | |
|   {
 | |
|     if (getBounds().contains(point))
 | |
|       return columnModel.getColumnIndexAtX(point.x);
 | |
| 
 | |
|     return -1;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Receives notification when a column is added to the column model.
 | |
|    *
 | |
|    * @param event the table column model event
 | |
|    */
 | |
|   public void columnAdded(TableColumnModelEvent event)
 | |
|   {
 | |
|     // TODO: What else to do here (if anything)?
 | |
|     resizeAndRepaint();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Receives notification when a column margin changes in the column model.
 | |
|    *
 | |
|    * @param event the table column model event
 | |
|    */
 | |
|   public void columnMarginChanged(ChangeEvent event)
 | |
|   {
 | |
|     // TODO: What else to do here (if anything)?
 | |
|     resizeAndRepaint();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Receives notification when a column is moved within the column model.
 | |
|    *
 | |
|    * @param event the table column model event
 | |
|    */
 | |
|   public void columnMoved(TableColumnModelEvent event)
 | |
|   {
 | |
|     // TODO: What else to do here (if anything)?
 | |
|     resizeAndRepaint();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Receives notification when a column is removed from the column model.
 | |
|    *
 | |
|    * @param event the table column model event
 | |
|    */
 | |
|   public void columnRemoved(TableColumnModelEvent event)
 | |
|   {
 | |
|     // TODO: What else to do here (if anything)?
 | |
|     resizeAndRepaint();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Receives notification when the column selection has changed.
 | |
|    *
 | |
|    * @param event the table column model event
 | |
|    */
 | |
|   public void columnSelectionChanged(ListSelectionEvent event)
 | |
|   {
 | |
|     // TODO: What else to do here (if anything)?
 | |
|     resizeAndRepaint();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Validates the layout of this table header and repaints it. This is
 | |
|    * equivalent to <code>revalidate()</code> followed by
 | |
|    * <code>repaint()</code>.
 | |
|    */
 | |
|   public void resizeAndRepaint()
 | |
|   {
 | |
|     revalidate();
 | |
|     repaint();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Initializes the fields and properties of this class with default values.
 | |
|    * This is called by the constructors.
 | |
|    */
 | |
|   protected void initializeLocalVars()
 | |
|   {
 | |
|     accessibleContext = new AccessibleJTableHeader();
 | |
|     draggedColumn = null;
 | |
|     draggedDistance = 0;
 | |
|     opaque = true;
 | |
|     reorderingAllowed = true;
 | |
|     resizingAllowed = true;
 | |
|     resizingColumn = null;
 | |
|     table = null;
 | |
|     updateTableInRealTime = true;
 | |
|     cellRenderer = createDefaultRenderer();
 | |
|   }
 | |
| }
 |