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Plug-in for the Protege Desktop ontology editor for comparing two OWL ontologies.

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package org.protege.editor.owl.diff.ui.render;

/**
 * MultiLineCellRenderer.java
 *
 * Created: Mon May 17 09:41:53 1999
 *
 * @author Thomas Wernitz, Da Vinci Communications Ltd  
 *
 * credit to Zafir Anjum for JTableEx and thanks to SUN for their source code ;)
 */

import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.table.TableCellRenderer;
import java.awt.*;
import java.io.Serializable;

public class MultiLineCellRenderer extends JTextArea implements TableCellRenderer, Serializable {
  private static final long serialVersionUID = -6685029769696008674L;

  protected static Border noFocusBorder; 
    
  private Color unselectedForeground; 
  private Color unselectedBackground; 

  public MultiLineCellRenderer() {
    super();
    noFocusBorder = new EmptyBorder(1, 2, 1, 2);
    setLineWrap(true);
    setWrapStyleWord(true);
    setOpaque(true);
    setBorder(noFocusBorder);
  }

  public void setForeground(Color c) {
    super.setForeground(c); 
    unselectedForeground = c; 
  }
    
  public void setBackground(Color c) {
    super.setBackground(c); 
    unselectedBackground = c; 
  }

  public void updateUI() {
    super.updateUI(); 
    setForeground(null);
    setBackground(null);
  }
    
  public Component getTableCellRendererComponent(JTable table, Object value,
						 boolean isSelected, boolean hasFocus, 
						 int row, int column) {

    if (isSelected) {
      super.setForeground(table.getSelectionForeground());
      super.setBackground(table.getSelectionBackground());
    }
    else {
      super.setForeground((unselectedForeground != null) ? unselectedForeground 
			  : table.getForeground());
      super.setBackground((unselectedBackground != null) ? unselectedBackground 
			  : table.getBackground());
    }
	
    setFont(table.getFont());

    if (hasFocus) {
      setBorder( UIManager.getBorder("Table.focusCellHighlightBorder") );
      if (table.isCellEditable(row, column)) {
	super.setForeground( UIManager.getColor("Table.focusCellForeground") );
	super.setBackground( UIManager.getColor("Table.focusCellBackground") );
      }
    } else {
      setBorder(noFocusBorder);
    }

    setValue(value); 
        
    return this;
  }
    
  protected void setValue(Object value) {
    setText((value == null) ? "" : value.toString());
  }


  public static class UIResource extends MultiLineCellRenderer implements javax.swing.plaf.UIResource {
  }

}