Java/SWT JFace Eclipse/View Form

Demonstrates ViewForm

//Send questions, comments, bug reports, etc. to the authors:
//Rob Warner (rwarner@interspatial.ru)
//Robert Harris (rbrt_harris@yahoo.ru)
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
 * This class demonstrates ViewForm
 */
public class Look {
  // Images used in the ViewForm
  private Image lookImage;
  private Image menuImage;
  // Counter for titles of ViewForms
  private int count = 0;
  /**
   * Runs the application
   */
  public void run() {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Look");
    // Load the images
    lookImage = new Image(display, this.getClass().getResourceAsStream(
        "jexp.gif"));
    menuImage = new Image(display, this.getClass().getResourceAsStream(
        "jexp.gif"));
    createContents(shell);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    // We created the images, so we must dispose
    if (lookImage != null) lookImage.dispose();
    if (menuImage != null) menuImage.dispose();
    display.dispose();
  }
  /**
   * Creates the main window"s contents
   * 
   * @param parent the main window
   */
  public void createContents(Composite parent) {
    parent.setLayout(new GridLayout(1, false));
    // Pressing the "New Document" button will create a new ViewForm
    Button button = new Button(parent, SWT.PUSH);
    button.setText("New Document");
    // Create the composite that holds the ViewForms
    final Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayoutData(new GridData(GridData.FILL_BOTH));
    composite.setLayout(new FillLayout());
    // Add the event handler to create the ViewForms
    button.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent event) {
        createViewFormHelper(composite, "Document " + (++count));
        composite.layout();
      }
    });
  }
  /**
   * Helper function for creating the ViewForms
   * 
   * @param parent the parent Composite
   * @param text the title text
   */
  private void createViewFormHelper(final Composite parent, String text) {
    // Create the ViewForm
    final ViewForm vf = new ViewForm(parent, SWT.BORDER);
    // Create the CLabel for the top left, which will have an image and text
    CLabel label = new CLabel(vf, SWT.NONE);
    label.setText(text);
    label.setImage(lookImage);
    label.setAlignment(SWT.LEFT);
    vf.setTopLeft(label);
    // Create the downward-pointing arrow to display the menu
    // and set it as the top center
    final ToolBar tbMenu = new ToolBar(vf, SWT.FLAT);
    final ToolItem itemMenu = new ToolItem(tbMenu, SWT.PUSH);
    itemMenu.setImage(menuImage);
    vf.setTopCenter(tbMenu);
    // Create the close button and set it as the top right
    ToolBar tbClose = new ToolBar(vf, SWT.FLAT);
    ToolItem itemClose = new ToolItem(tbClose, SWT.PUSH);
    itemClose.setText("X");
    itemClose.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent event) {
        vf.dispose();
        parent.layout();
      }
    });
    vf.setTopRight(tbClose);
    // Create the content--a multi-line text box
    final Text textArea = new Text(vf, SWT.MULTI | SWT.WRAP | SWT.V_SCROLL);
    vf.setContent(textArea);
    /* Create the menu to display when the down arrow is pressed */
    
    
    final Menu menu = new Menu(tbMenu);
    MenuItem clear = new MenuItem(menu, SWT.NONE);
    clear.setText("Clear");
    clear.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent event) {
        textArea.setText("");
      }
    });
    // Add the handler to display the menu
    itemMenu.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent event) {
        // Place the menu right below the toolbar button
        Rectangle rect = itemMenu.getBounds();
        menu.setLocation(tbMenu.toDisplay(rect.x, rect.y + rect.height));
        menu.setVisible(true);
      }
    });
  }
  /**
   * The application entry point
   * 
   * @param args the command line arguments
   */
  public static void main(String[] args) {
    new Look().run();
  }
}

ViewForm Example

/******************************************************************************
 * All Right Reserved. 
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on 2004-4-9 15:43:00 by JACK
 * $Id$
 * 
 *****************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ViewForm;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
/**
 * 
 */
public class ViewFormExample {
  Display display = new Display();
  Shell shell = new Shell(display);
  public ViewFormExample() {
    shell.setLayout(new FillLayout());
    
    final ViewForm viewForm = new ViewForm(shell, SWT.BORDER);
    Label label = new Label(viewForm, SWT.NULL);
    label.setText("Top center");
    
    viewForm.setTopCenter(label);
    shell.setSize(400, 200);
    shell.open();
    //textUser.forceFocus();
    // Set up the event loop.
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }
    display.dispose();
  }
  private void init() {
  }
  public static void main(String[] args) {
    new ViewFormExample();
  }
}