/*  speed test SWT
 * based on Snippet165
 */

/*******************************************************************************
 * 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;

/*
 * Create a CTabFolder with min and max buttons, as well as close button and
 * image only on selected tab.
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 *
 * @since 3.0
 */
import org.eclipse.swt.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.events.*;
import java.util.ArrayList;

// was Snippet165
public class frmWorkTestSWT {

static int numWindows = 500;

static Image image; // box
static Display display;
static ArrayList<Shell> subWindows;
static Label timeRun;

static Shell newWindow()
{
 final Shell shell = new Shell (display);
 shell.setLayout(new GridLayout());
 final CTabFolder folder = new CTabFolder(shell, SWT.BORDER);
 folder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
 folder.setSimple(false);
 folder.setUnselectedImageVisible(false);
 folder.setUnselectedCloseVisible(false);
 for (int i = 0; i < 8; i++) {
  CTabItem item = new CTabItem(folder, SWT.CLOSE);
  item.setText("Item "+i);
  item.setImage(image);
  Text text = new Text(folder, SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);
  text.setText("Text for item "+i+"\n\none, two, three\n\nabcdefghijklmnop");
  item.setControl(text);
 }
 folder.setMinimizeVisible(true);
 folder.setMaximizeVisible(true);
 folder.addCTabFolder2Listener(new CTabFolder2Adapter() {
  @Override
  public void minimize(CTabFolderEvent event) {
   folder.setMinimized(true);
   folder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
   shell.layout(true);
  }
  @Override
  public void maximize(CTabFolderEvent event) {
   folder.setMaximized(true);
   folder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
   shell.layout(true);
  }
  @Override
  public void restore(CTabFolderEvent event) {
   folder.setMinimized(false);
   folder.setMaximized(false);
   folder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
   shell.layout(true);
  }
 });
 shell.setSize(300, 300);
    return shell;
}

public static void main (String [] args) {
 display = new Display ();
 image = new Image(display, 16, 16);
 GC gc = new GC(image);
 gc.setBackground(display.getSystemColor(SWT.COLOR_BLUE));
 gc.fillRectangle(0, 0, 16, 16);
 gc.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
 gc.fillRectangle(3, 3, 10, 10);
 gc.dispose();
 subWindows = new ArrayList<Shell>();
 final Shell shell = new Shell (display);

    shell.setSize(300, 200);
    shell.setLayout(new FillLayout(SWT.VERTICAL));

    timeRun = new Label (shell, SWT.BORDER);
    timeRun.setText("measure time");
                     
    Button create = new Button (shell, SWT.PUSH);
    create.setText ("Create");
    create.addSelectionListener (new SelectionAdapter(){
        @Override
        public void widgetSelected (SelectionEvent e) {
          long startTime = System.currentTimeMillis();
            for (int i = 0; i < numWindows; i++)
            {
                subWindows.add(newWindow());
                subWindows.get(i).open();
            }
            long endTime   = System.currentTimeMillis();
            long totalTime = endTime - startTime;
            timeRun.setText(String.format("running: %d ms", totalTime));
        }
    });
    Button destroy = new Button (shell, SWT.PUSH);
    destroy.setText ("Destroy");
    destroy.addSelectionListener (new SelectionAdapter(){
        @Override
        public void widgetSelected (SelectionEvent e) {
          long startTime = System.currentTimeMillis();
            for (Shell wn: subWindows)
            {
                wn.dispose();
            }
            subWindows.clear();
            long endTime   = System.currentTimeMillis();
            long totalTime = endTime - startTime;
            timeRun.setText(String.format("running: %d ms", totalTime));
        }
    });

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