Mega Code Archive
Specifying Fixed JTable Columns
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import java.awt.BorderLayout;
import java.awt.Dimension;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JViewport;
import javax.swing.ListSelectionModel;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;
public class FixedColumnModel {
public static void main(String args[]) {
final Object rowData[][] = { { "1", "one", "I" }, { "2", "two", "II" }, { "3", "three", "III" } };
final String columnNames[] = { "#", "English", "Roman" };
final TableModel fixedColumnModel = new AbstractTableModel() {
public int getColumnCount() {
return 1;
}
public String getColumnName(int column) {
return columnNames[column];
}
public int getRowCount() {
return rowData.length;
}
public Object getValueAt(int row, int column) {
return rowData[row][column];
}
};
final TableModel mainModel = new AbstractTableModel() {
public int getColumnCount() {
return columnNames.length - 1;
}
public String getColumnName(int column) {
return columnNames[column + 1];
}
public int getRowCount() {
return rowData.length;
}
public Object getValueAt(int row, int column) {
return rowData[row][column + 1];
}
};
JTable fixedTable = new JTable(fixedColumnModel);
fixedTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
JTable mainTable = new JTable(mainModel);
mainTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
ListSelectionModel model = fixedTable.getSelectionModel();
mainTable.setSelectionModel(model);
JScrollPane scrollPane = new JScrollPane(mainTable);
Dimension fixedSize = fixedTable.getPreferredSize();
JViewport viewport = new JViewport();
viewport.setView(fixedTable);
viewport.setPreferredSize(fixedSize);
viewport.setMaximumSize(fixedSize);
scrollPane.setCorner(JScrollPane.UPPER_LEFT_CORNER, fixedTable.getTableHeader());
scrollPane.setRowHeaderView(viewport);
JFrame frame = new JFrame("Fixed Column Table");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(scrollPane, BorderLayout.CENTER);
frame.setSize(300, 150);
frame.setVisible(true);
}
}
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