Use a StackLayout to switch between Composites : StackLayout « SWT « Java Tutorial






Use a StackLayout to switch between Composites
/*******************************************************************************
 * 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;
/*
 * StackLayout example snippet: use a StackLayout to switch between Composites.
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;

public class StackLayoutSwitchComposites {

  static int pageNum = -1;

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setBounds(10, 10, 300, 200);
    // create the composite that the pages will share
    final Composite contentPanel = new Composite(shell, SWT.BORDER);
    contentPanel.setBounds(100, 10, 190, 90);
    final StackLayout layout = new StackLayout();
    contentPanel.setLayout(layout);

    // create the first page's content
    final Composite page0 = new Composite(contentPanel, SWT.NONE);
    page0.setLayout(new RowLayout());
    Label label = new Label(page0, SWT.NONE);
    label.setText("Label on page 1");
    label.pack();

    // create the second page's content
    final Composite page1 = new Composite(contentPanel, SWT.NONE);
    page1.setLayout(new RowLayout());
    Button button = new Button(page1, SWT.NONE);
    button.setText("Button on page 2");
    button.pack();

    // create the button that will switch between the pages
    Button pageButton = new Button(shell, SWT.PUSH);
    pageButton.setText("Push");
    pageButton.setBounds(10, 10, 80, 25);
    pageButton.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        pageNum = ++pageNum % 2;
        layout.topControl = pageNum == 0 ? page0 : page1;
        contentPanel.layout();
      }
    });

    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}








17.98.StackLayout
17.98.1.Using StackLayoutsUsing StackLayouts
17.98.2.Using StackLayoutUsing StackLayout
17.98.3.Use a StackLayout to switch between CompositesUse a StackLayout to switch between Composites
17.98.4.Configure the margin: marginHeight and marginWidthConfigure the margin: marginHeight and marginWidth