Java Code Examples for javax.swing.table.TableModel#getColumnClass()

/**
 * Creates a panel that contains a table based on the specified table model.
 *
 * @param model  the table model to use when constructing the table.
 *
 * @return The panel.
 */
public static JPanel createTablePanel(final TableModel model) {

    final JPanel panel = new JPanel(new BorderLayout());
    final JTable table = new JTable(model);
    for (int columnIndex = 0; columnIndex < model.getColumnCount(); columnIndex++) {
        final TableColumn column = table.getColumnModel().getColumn(columnIndex);
        final Class c = model.getColumnClass(columnIndex);
        if (c.equals(Number.class)) {
            column.setCellRenderer(new NumberCellRenderer());
        }
    }
    panel.add(new JScrollPane(table));
    return panel;

}
 

/**
 * Creates a panel that contains a table based on the specified table model.
 *
 * @param model  the table model to use when constructing the table.
 *
 * @return The panel.
 */
public static JPanel createTablePanel(TableModel model) {

    JPanel panel = new JPanel(new BorderLayout());
    JTable table = new JTable(model);
    for (int columnIndex = 0; columnIndex < model.getColumnCount();
            columnIndex++) {
        TableColumn column = table.getColumnModel().getColumn(columnIndex);
        Class c = model.getColumnClass(columnIndex);
        if (c.equals(Number.class)) {
            column.setCellRenderer(new NumberCellRenderer());
        }
    }
    panel.add(new JScrollPane(table));
    return panel;

}
 

/**
 * Creates a panel that contains a table based on the specified table model.
 *
 * @param model  the table model to use when constructing the table.
 *
 * @return The panel.
 */
public static JPanel createTablePanel(TableModel model) {

    JPanel panel = new JPanel(new BorderLayout());
    JTable table = new JTable(model);
    for (int columnIndex = 0; columnIndex < model.getColumnCount(); 
            columnIndex++) {
        TableColumn column = table.getColumnModel().getColumn(columnIndex);
        Class c = model.getColumnClass(columnIndex);
        if (c.equals(Number.class)) {
            column.setCellRenderer(new NumberCellRenderer());
        }
    }
    panel.add(new JScrollPane(table));
    return panel;

}
 

protected JComponent createDefaultTable(final TableModel data)
{
  final JTable table = new JTable(data);
  table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);

  for (int columnIndex = 0; columnIndex < data.getColumnCount(); columnIndex++)
  {
    final TableColumn column = table.getColumnModel().getColumn(columnIndex);
    column.setMinWidth(50);
    final Class c = data.getColumnClass(columnIndex);
    if (c.equals(Number.class))
    {
      column.setCellRenderer(new NumberCellRenderer());
    }
  }

  return new JScrollPane
      (table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
          JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
}
 

protected JComponent createDefaultTable(final TableModel data)
{
  final JTable table = new JTable(data);
  table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);

  for (int columnIndex = 0; columnIndex < data
      .getColumnCount(); columnIndex++)
  {
    final TableColumn column = table.getColumnModel().getColumn(columnIndex);
    column.setMinWidth(50);
    final Class c = data.getColumnClass(columnIndex);
    if (c.equals(Number.class))
    {
      column.setCellRenderer(new NumberCellRenderer());
    }
  }

  return new JScrollPane
      (table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
          JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
}
 

public static void printTableModel( final TableModel mod, final PrintStream out ) {
  out.println( "Tablemodel contains " + mod.getRowCount() + " rows." ); //$NON-NLS-1$ //$NON-NLS-2$
  for ( int i = 0; i < mod.getColumnCount(); i++ ) {
    out.println( "Column: " + i + " Name=" + mod.getColumnName( i ) + "; DataType=" //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        + mod.getColumnClass( i ) );
  }

  out.println( "Checking the data inside" ); //$NON-NLS-1$
  for ( int rows = 0; rows < mod.getRowCount(); rows++ ) {
    for ( int i = 0; i < mod.getColumnCount(); i++ ) {
      final Object value = mod.getValueAt( rows, i );
      final Class<?> c = mod.getColumnClass( i );
      if ( value == null ) {
        out.println( "ValueAt (" + rows + ", " + i + ") is null" ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
      } else {
        if ( c.isAssignableFrom( value.getClass() ) == false ) {
          out.println( "ValueAt (" + rows + ", " + i + ") is not assignable from " + c ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        } else if ( c.equals( Object.class ) ) {
          out.println( "ValueAt (" + rows + ", " + i + ") is in a generic column and is of "
          //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
              + "type " + value.getClass() ); //$NON-NLS-1$
        } else {
          out.println( "ValueAt (" + rows + ", " + i + ") is in a typed column and is of "
          //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
              + "type " + value.getClass() ); //$NON-NLS-1$
        }
      }
    }
  }
}
 

protected void initDefaultMetaData( final TableModel model ) {
  for ( int i = 0; i < model.getColumnCount(); i++ ) {
    final String columnName = model.getColumnName( i );
    final Class columnType = model.getColumnClass( i );
    final DefaultDataAttributes attributes = new DefaultDataAttributes();
    attributes.setMetaAttribute( MetaAttributeNames.Core.NAMESPACE, MetaAttributeNames.Core.NAME,
                                 DefaultConceptQueryMapper.INSTANCE, columnName );
    attributes.setMetaAttribute( MetaAttributeNames.Core.NAMESPACE, MetaAttributeNames.Core.TYPE,
                                 DefaultConceptQueryMapper.INSTANCE, columnType );
    columnAttributes.add( attributes );
  }
  tableAttributes = EmptyDataAttributes.INSTANCE;
}
 

public static boolean isSafeToCache( final TableModel model ) {
  final int columnCount = model.getColumnCount();
  for ( int i = 0; i < columnCount; i += 1 ) {
    Class columnClass = model.getColumnClass( i );
    while ( columnClass.isArray() ) {
      columnClass = columnClass.getComponentType();
    }
    if ( String.class.equals( columnClass ) ) {
      continue;
    }
    if ( Number.class.isAssignableFrom( columnClass ) ) {
      continue;
    }
    if ( Date.class.isAssignableFrom( columnClass ) ) {
      continue;
    }
    if ( Boolean.class.equals( columnClass ) ) {
      continue;
    }
    if ( columnClass.isPrimitive() ) {
      continue;
    }
    if ( Paint.class.isAssignableFrom( columnClass ) ) {
      continue;
    }
    if ( Shape.class.isAssignableFrom( columnClass ) ) {
      continue;
    }
    if ( Stroke.class.isAssignableFrom( columnClass ) ) {
      continue;
    }
    if ( columnClass.isEnum() ) {
      continue;
    }
    return false;
  }
  return true;
}
 

public OfflineTableModel( final TableModel model, final DataAttributeContext dataAttributeContext ) {
  columnCount = model.getColumnCount();
  columnTypes = new Class[columnCount];
  columnNames = new String[columnCount];
  columnAttributes = new DefaultDataAttributes[columnCount];
  values = new Object[columnCount];
  tableAttributes = new DefaultDataAttributes();

  for ( int i = 0; i < columnCount; i++ ) {
    columnTypes[i] = model.getColumnClass( i );
    columnNames[i] = model.getColumnName( i );
    columnAttributes[i] = new DefaultDataAttributes();
  }
  if ( model instanceof MetaTableModel ) {
    final MetaTableModel metaTableModel = (MetaTableModel) model;
    tableAttributes.merge( metaTableModel.getTableAttributes(), dataAttributeContext );

    for ( int i = 0; i < columnCount; i++ ) {
      columnAttributes[i].merge( metaTableModel.getColumnAttributes( i ), dataAttributeContext );
    }
  }
  if ( model.getRowCount() > 0 ) {
    for ( int i = 0; i < columnCount; i++ ) {
      values[i] = model.getValueAt( 0, i );
    }
  }
}