Java Code Examples for javax.swing.table.DefaultTableModel#getColumnCount()

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

public TableColumn addColumn(Object columnIdentifier, int width,
                             TableCellRenderer renderer,
                             TableCellEditor editor, List columnData) {
    checkDefaultTableModel();

    // Set up the model side first
    DefaultTableModel m = (DefaultTableModel)getModel();
    m.addColumn(columnIdentifier, columnData.toArray());

    // The column will have been added to the end, so the index of the
    // column in the model is the last element.
    TableColumn newColumn = new TableColumn(
            m.getColumnCount()-1, width, renderer, editor);
    super.addColumn(newColumn);
    return newColumn;
}
 

private static Object[] buildRowData(DefaultTableModel delegate, Object row) {
    int cols = delegate.getColumnCount();
    Object[] rowData = new Object[cols];
    int i = 0;
    for (Iterator<?> it = DefaultGroovyMethods.iterator(row); it.hasNext() && i < cols;) {
        rowData[i++] = it.next();
    }
    return rowData;
}
 

/**
 *
 * @param dtm
 *            The DefaultTableModel to save to stream
 * @param out
 *            The stream to which to save
 *
 */
public static void defaultTableModelToStream(final DefaultTableModel dtm,
		final Writer out) throws IOException {
	final String LINE_SEP = System.getProperty("line.separator");
	final int numCols = dtm.getColumnCount();
	final int numRows = dtm.getRowCount();

	// Write headers
	String sep = "";

	for (int i = 0; i < numCols; i++) {
		out.write(sep);
		out.write(dtm.getColumnName(i));
		sep = ",";
	}

	out.write(LINE_SEP);

	for (int r = 0; r < numRows; r++) {
		sep = "";

		for (int c = 0; c < numCols; c++) {
			out.write(sep);
			out.write(dtm.getValueAt(r, c).toString());
			sep = ",";
		}

		out.write(LINE_SEP);
	}
}
 

@SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
@Override protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder encoder) {
  super.initialize(type, oldInstance, newInstance, encoder);
  DefaultTableModel m = (DefaultTableModel) oldInstance;
  for (int row = 0; row < m.getRowCount(); row++) {
    for (int col = 0; col < m.getColumnCount(); col++) {
      Object[] o = {m.getValueAt(row, col), row, col};
      encoder.writeStatement(new Statement(oldInstance, "setValueAt", o));
    }
  }
}
 

@SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
@Override protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder encoder) {
  super.initialize(type, oldInstance, newInstance, encoder);
  DefaultTableModel m = (DefaultTableModel) oldInstance;
  // Vector v = m.getDataVector();
  // for (int i = 0; i < m.getRowCount(); i++) {
  //   encoder.writeStatement(new Statement(oldInstance, "addRow", new Object[] { (Vector) v.get(i) }));
  // }
  for (int row = 0; row < m.getRowCount(); row++) {
    for (int col = 0; col < m.getColumnCount(); col++) {
      Object[] o = {m.getValueAt(row, col), row, col};
      encoder.writeStatement(new Statement(oldInstance, "setValueAt", o));
    }
  }
}
 

@SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
@Override protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder encoder) {
  super.initialize(type, oldInstance, newInstance, encoder);
  DefaultTableModel m = (DefaultTableModel) oldInstance;
  for (int row = 0; row < m.getRowCount(); row++) {
    for (int col = 0; col < m.getColumnCount(); col++) {
      Object[] o = {m.getValueAt(row, col), row, col};
      encoder.writeStatement(new Statement(oldInstance, "setValueAt", o));
    }
  }
}
 

@Override
protected void finished()
{
    super.finished();
    // when the task is finished, clear it
    doubleEntryTask = null;
    // hide task-progress bar
    jPanel1.setVisible(false);
    // create tablemodel for the table data, which is not editable
    DefaultTableModel tm = new DefaultTableModel(new Object[] {}, 0) {
        @Override public boolean isCellEditable(int row, int column) { return false; }
    };
    // apply model to table
    jTable1.setModel(tm);
    // and delete all rows and columns
    tm.setRowCount(0);
    tm.setColumnCount(0);
    // now fill the table
    // check whether we have any multiple entries at all.
    if (!doubleentries.isEmpty()) {
        // create iterator for the list
        Iterator<Integer[]> it = doubleentries.iterator();
        // iterate all multiple entries
        while (it.hasNext()) {
            // retrieve the row data
            Integer[] rowdata = it.next();
            // if the rowdate has more columns than the table model, adjust
            // column count
            while (tm.getColumnCount()<rowdata.length) {
                tm.addColumn(String.valueOf(tm.getColumnCount()+1));
            }
            // add it to the table model
            tm.addRow((Object[])rowdata);
        }
        // finally, enable table
        jTable1.setEnabled(true);
    }
    else {
        JOptionPane.showMessageDialog(null,resourceMap.getString("noMultipleEntriesFoundMsg"),resourceMap.getString("noMultipleEntriesFoundTitle"),JOptionPane.PLAIN_MESSAGE);
        setVisible(false);
        dispose();
    }
}
 

private MainPanel() {
  super(new BorderLayout());
  // <blockquote cite="FixedColumnExample.java">
  // @author Nobuo Tamemasa
  Object[][] data = {
      {1, 11, "A",  ES,  ES,  ES,  ES,  ES},
      {2, 22,  ES, "B",  ES,  ES,  ES,  ES},
      {3, 33,  ES,  ES, "C",  ES,  ES,  ES},
      {4,  1,  ES,  ES,  ES, "D",  ES,  ES},
      {5, 55,  ES,  ES,  ES,  ES, "E",  ES},
      {6, 66,  ES,  ES,  ES,  ES,  ES, "F"}
  };
  String[] columnNames = {"fixed 1", "fixed 2", "A", "B", "C", "D", "E", "F"};
  // </blockquote>
  DefaultTableModel model = new DefaultTableModel(data, columnNames) {
    @Override public Class<?> getColumnClass(int column) {
      return column < FIXED_COLUMN_RANGE ? Integer.class : Object.class;
    }
  };
  RowSorter<? extends TableModel> sorter = new TableRowSorter<>(model);

  JTable fixedTable = new JTable(model);
  JTable table = new JTable(model);
  fixedTable.setSelectionModel(table.getSelectionModel());

  for (int i = model.getColumnCount() - 1; i >= 0; i--) {
    if (i < FIXED_COLUMN_RANGE) {
      table.removeColumn(table.getColumnModel().getColumn(i));
      fixedTable.getColumnModel().getColumn(i).setResizable(false);
    } else {
      fixedTable.removeColumn(fixedTable.getColumnModel().getColumn(i));
    }
  }

  fixedTable.setRowSorter(sorter);
  fixedTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
  fixedTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
  fixedTable.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);

  table.setRowSorter(sorter);
  table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
  table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
  table.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);

  JScrollPane scroll = new JScrollPane(table);
  // JViewport viewport = new JViewport();
  // viewport.setView(fixedTable);
  // viewport.setPreferredSize(fixedTable.getPreferredSize());
  // scroll.setRowHeader(viewport);

  fixedTable.setPreferredScrollableViewportSize(fixedTable.getPreferredSize());
  scroll.setRowHeaderView(fixedTable);
  scroll.setCorner(ScrollPaneConstants.UPPER_LEFT_CORNER, fixedTable.getTableHeader());
  scroll.getViewport().setBackground(Color.WHITE);
  scroll.getRowHeader().setBackground(Color.WHITE);

  // <blockquote cite="https://tips4java.wordpress.com/2008/11/05/fixed-column-table/">
  // @author Rob Camick
  scroll.getRowHeader().addChangeListener(e -> {
    JViewport viewport = (JViewport) e.getSource();
    scroll.getVerticalScrollBar().setValue(viewport.getViewPosition().y);
  });
  // </blockquote>

  JButton addButton = new JButton("add");
  addButton.addActionListener(e -> {
    sorter.setSortKeys(null);
    IntStream.range(0, 100).mapToObj(i -> new Object[] {i, i + 1, "A" + i, "B" + i}).forEach(model::addRow);
  });

  add(scroll);
  add(addButton, BorderLayout.SOUTH);
  setPreferredSize(new Dimension(320, 240));
}