ShowMyTitleAreaDialog.java Source code

Introduction

Here is the source code for ShowMyTitleAreaDialog.java

Source

import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.jface.dialogs.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

import java.io.*;

/**
 * This class demonstrates JFace's TitleAreaDialog class
 */
public class ShowMyTitleAreaDialog extends ApplicationWindow {
    /**
     * ShowCustomDialog constructor
     */
    public ShowMyTitleAreaDialog() {
        super(null);
    }

    /**
     * Runs the application
     */
    public void run() {
        // Don't return from open() until window closes
        setBlockOnOpen(true);

        // Open the main window
        open();

        // Dispose the display
        Display.getCurrent().dispose();
    }

    /**
     * Creates the main window's contents
     * 
     * @param parent the main window
     * @return Control
     */
    protected Control createContents(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayout(new GridLayout(1, true));

        // Create the button
        Button show = new Button(composite, SWT.NONE);
        show.setText("Show");

        final Shell shell = parent.getShell();

        // Display the TitleAreaDialog
        show.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                // Create and show the dialog
                MyTitleAreaDialog dlg = new MyTitleAreaDialog(shell);
                dlg.open();
            }
        });

        parent.pack();
        return composite;
    }

    /**
     * The application entry point
     * 
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new ShowMyTitleAreaDialog().run();
    }
}

/**
 * This class shows an about box, based on TitleAreaDialog
 */
class MyTitleAreaDialog extends TitleAreaDialog {
    // The image to display
    private Image image;

    /**
     * MyTitleAreaDialog constructor
     * 
     * @param shell the parent shell
     */
    public MyTitleAreaDialog(Shell shell) {
        super(shell);

        // Create the image
        try {
            image = new Image(null, new FileInputStream("java2s.gif"));
        } catch (FileNotFoundException e) {
            // Ignore
        }
    }

    /**
     * Closes the dialog box Override so we can dispose the image we created
     */
    public boolean close() {
        if (image != null)
            image.dispose();
        return super.close();
    }

    /**
     * Creates the dialog's contents
     * 
     * @param parent the parent composite
     * @return Control
     */
    protected Control createContents(Composite parent) {
        Control contents = super.createContents(parent);

        // Set the title
        setTitle("About This Application");

        // Set the message
        setMessage("This is a JFace dialog", IMessageProvider.INFORMATION);

        // Set the image
        if (image != null)
            setTitleImage(image);

        return contents;
    }

    /**
     * Creates the gray area
     * 
     * @param parent the parent composite
     * @return Control
     */
    protected Control createDialogArea(Composite parent) {
        Composite composite = (Composite) super.createDialogArea(parent);

        // Create a table
        Table table = new Table(composite, SWT.FULL_SELECTION | SWT.BORDER);
        table.setLayoutData(new GridData(GridData.FILL_BOTH));

        // Create two columns and show
        TableColumn one = new TableColumn(table, SWT.LEFT);
        one.setText("Real Name");

        TableColumn two = new TableColumn(table, SWT.LEFT);
        two.setText("Preferred Name");

        table.setHeaderVisible(true);

        // Add some data
        TableItem item = new TableItem(table, SWT.NONE);
        item.setText(0, "Robert Harris");
        item.setText(1, "Bobby");

        item = new TableItem(table, SWT.NONE);
        item.setText(0, "Robert Warner");
        item.setText(1, "Rob");

        item = new TableItem(table, SWT.NONE);
        item.setText(0, "Gabor Liptak");
        item.setText(1, "Gabor");

        one.pack();
        two.pack();

        return composite;
    }

    /**
     * Creates the buttons for the button bar
     * 
     * @param parent the parent composite
     */
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
    }
}