package de.glossmaker.gui.gloss.main.tableview;

 import java.awt.Component;

 import java.beans.PropertyChangeEvent;

 import java.beans.PropertyChangeListener;

 import javax.swing.AbstractCellEditor;

 import javax.swing.JScrollPane;

 import javax.swing.JTable;

 import javax.swing.JTextPane;

 import javax.swing.border.Border;

 import javax.swing.border.EmptyBorder;

 import javax.swing.table.TableCellEditor;

 import de.glossmaker.common.document.LaTeXStyledDocument;

 import de.glossmaker.gloss.datastructure.gui.Config;

 import de.glossmaker.gloss.listener.EActionCommands;

 import de.glossmaker.gloss.observer.GlossItemsChangePublisher;

 /**

  * 

  * @author Markus Flingelli

  *

  */

 public class MultiLineCellEditor extends AbstractCellEditor implements TableCellEditor, PropertyChangeListener {

         private static final long serialVersionUID = 1L;        

         protected static Border noFocusBorder;   

         private JScrollPane mScrollPane = null;

         private JTextPane mTextPane = null;

         private LaTeXStyledDocument mDocument; 

         public MultiLineCellEditor() {

                 super();

                 mScrollPane = new JScrollPane();

                 mScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);

                 mScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);

                 mTextPane = new JTextPane();

                 noFocusBorder = new EmptyBorder(1, 2, 1, 2);

                 mTextPane.setOpaque(true);

                 mTextPane.setBorder(noFocusBorder);

                 mDocument = new LaTeXStyledDocument(Config.getInstance().isPrintBlankAndTabs());

                 mTextPane.setDocument(mDocument);

                 mScrollPane.setViewportView(mTextPane);

                 GlossItemsChangePublisher.getInstance(null).addPropertyChangeListener(this);

         }

         public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column)

         {

                 mTextPane.setText(value.toString());                

                 return mScrollPane;

         }

         public Object getCellEditorValue()

         {

                 return mTextPane.getText();

         }

         @Override

         public void propertyChange(PropertyChangeEvent event) {

                 if (event.getPropertyName().equals(EActionCommands.SPECIAL_CHARS.toString())) {

                         mDocument.setShowSpecialCharacters((Boolean)event.getNewValue());

                         mTextPane.setText(mDocument.getText());

                 }

         }

 }