Add Column Header Selection Listener : TableColumn « SWT « Java Tutorial






Add Column Header Selection Listener
/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
//package org.eclipse.swt.snippets;
/*
 * Table example snippet: sort a table by column
 * 
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.2
 */
import java.text.Collator;
import java.util.Locale;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;

public class TableColumnSelectionListener {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Table table = new Table(shell, SWT.BORDER);
    table.setHeaderVisible(true);
    final TableColumn column1 = new TableColumn(table, SWT.NONE);
    column1.setText("Column 1");
    final TableColumn column2 = new TableColumn(table, SWT.NONE);
    column2.setText("Column 2");
    TableItem item = new TableItem(table, SWT.NONE);
    item.setText(new String[] { "a", "3" });
    item = new TableItem(table, SWT.NONE);
    item.setText(new String[] { "b", "2" });
    item = new TableItem(table, SWT.NONE);
    item.setText(new String[] { "c", "1" });
    column1.setWidth(100);
    column2.setWidth(100);
    Listener sortListener = new Listener() {
      public void handleEvent(Event e) {
        TableColumn column = (TableColumn) e.widget;
        System.out.println(column);
      }
    };
    column1.addListener(SWT.Selection, sortListener);
    column2.addListener(SWT.Selection, sortListener);

    shell.setSize(shell.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, 300);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }

}








17.51.TableColumn
17.51.1.Adding ColumnsAdding Columns
17.51.2.Fixed first column and horizontal scroll remaining columnsFixed first column and horizontal scroll remaining columns
17.51.3.Add Column Header Selection ListenerAdd Column Header Selection Listener
17.51.4.Reorder TableColumnReorder TableColumn
17.51.5.Insert a table column at an indexInsert a table column at an index
17.51.6.Add Icon to Table columnAdd Icon to Table column