package de.glossmaker.gui;

 import java.util.Enumeration;

 import javax.swing.event.ChangeEvent;

 import javax.swing.event.ListSelectionEvent;

 import javax.swing.event.TableColumnModelEvent;

 import javax.swing.event.TableColumnModelListener;

 import javax.swing.table.DefaultTableColumnModel;

 import javax.swing.table.TableColumn;

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

 /**

  * This class listens to resize of the columns and the movement of columns.

  * 

  * @author Markus Flingelli

  *

  */

 public class ColumnModelListener implements TableColumnModelListener {

         private String mKey = null;

         public ColumnModelListener(String key, int size)  {

                 mKey = key;

                 Config.getInstance().addTable(key, size);

         }

         public void columnMarginChanged(ChangeEvent event) {

                 if (event.getSource() instanceof DefaultTableColumnModel) {

                         DefaultTableColumnModel model = (DefaultTableColumnModel)event.getSource();

                         Enumeration<TableColumn> elements = model.getColumns();

                         int i = 0;

                         while(elements.hasMoreElements()) {

                                 TableColumn column = elements.nextElement();

                                 Config.getInstance().setTableWidth(mKey, i, column.getWidth());

                                 i++;

                         }

                 }

         }

         public void columnMoved(TableColumnModelEvent event) {

                 if (event.getFromIndex() != event.getToIndex()) {

                         Config.getInstance().moveColumn(mKey, event.getFromIndex(), event.getToIndex());

                 }

         }

         public void columnRemoved(TableColumnModelEvent event) {}

         public void columnSelectionChanged(ListSelectionEvent event) {}

         public void columnAdded(TableColumnModelEvent event) {}

 }