new TableColumn(int modelIndex) : TableColumn « javax.swing.table « Java by API

1. Java by API
2. javax.swing.table
3. TableColumn

new TableColumn(int modelIndex)

 

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.TableColumnModelEvent;
import javax.swing.event.TableColumnModelListener;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;

public class MainClass {
  public static void main(String args[]) {
    Object rows[][] = { { "A", "a" }, { "B", "b" }, { "E", "e" } };
    Object headers[] = { "Upper", "Lower" };

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTable table = new JTable(rows, headers);

    TableColumnModelListener tableColumnModelListener = new TableColumnModelListener() {
      public void columnAdded(TableColumnModelEvent e) {
        System.out.println("Added");
      }

      public void columnMarginChanged(ChangeEvent e) {
        System.out.println("Margin");
      }

      public void columnMoved(TableColumnModelEvent e) {
        System.out.println("Moved");
      }

      public void columnRemoved(TableColumnModelEvent e) {
        System.out.println("Removed");
      }

      public void columnSelectionChanged(ListSelectionEvent e) {
        System.out.println("Selection Changed");
      }
    };

    TableColumnModel columnModel = table.getColumnModel();
    columnModel.addColumnModelListener(tableColumnModelListener);

    columnModel.setColumnMargin(12);

    TableColumn column = new TableColumn(1);
    columnModel.addColumn(column);

    JScrollPane pane = new JScrollPane(table);
    frame.add(pane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
  }
}

           
         
  

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