Attachment 278333 Details for Bug 546558 – Clean Application.java file with the logic

Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.

[patch] Clean Application.java file with the logic

Application.java (text/plain), 5.57 KB, created by Valerija Miklausic

on 2019-04-18 08:19:59 EDT

(hide)

Description:

Filename:

MIME Type:

Creator: Valerija Miklausic

Created: 2019-04-18 08:19:59 EDT

Size: 5.57 KB

patch

obsolete

>package reprorapstuck;
>
>import java.util.Random;
>
>import org.eclipse.equinox.app.IApplication;
>import org.eclipse.equinox.app.IApplicationContext;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.ShellAdapter;
>import org.eclipse.swt.events.ShellEvent;
>import org.eclipse.swt.graphics.Point;
>import org.eclipse.swt.graphics.Rectangle;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.widgets.Button;
>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.Menu;
>import org.eclipse.swt.widgets.MenuItem;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Text;
>import org.eclipse.swt.widgets.Tree;
>import org.eclipse.swt.widgets.TreeItem;
>import org.eclipse.ui.IWorkbench;
>import org.eclipse.ui.PlatformUI;
>
>public class Application implements IApplication {
>
>	private static int shellX = 600;
>	private static int shellY = 600;
>
>	private static int xPosition = 30;
>	private static int yPosition = 50;
>	private Shell mainWindowShell;
>
>	@Override
>	public Object start(IApplicationContext context) throws Exception {
>		Display display = PlatformUI.createDisplay();
>		mainWindowShell = new Shell(display);
>		mainWindowShell.setSize(shellX, shellY);
>		mainWindowShell.setText("controller shell");
>		addMainWindowControlButtons(display, mainWindowShell);
>		mainWindowShell.open();
>		while (!mainWindowShell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>		// ---------------------------------
>
>		try {
>			int returnCode = PlatformUI.createAndRunWorkbench(display, new ApplicationWorkbenchAdvisor());
>			if (returnCode == PlatformUI.RETURN_RESTART)
>				return IApplication.EXIT_RESTART;
>			else
>				return IApplication.EXIT_OK;
>		} finally {
>			display.dispose();
>		}
>
>	}
>
>	private void addMainWindowControlButtons(Display display, Shell shell) {
>		Label openFileLabel = new Label(shell, SWT.NONE);
>		openFileLabel.setSize(75, 20);
>		openFileLabel.setLocation(xPosition, yPosition);
>		openFileLabel.setText("open file: ");
>
>		xPosition += 100;
>
>		Button openFileButton = new Button(shell, SWT.PUSH);
>		openFileButton.setLocation(xPosition, yPosition);
>		openFileButton.setSize(75, 20);
>		openFileButton.setText("open");
>
>		xPosition -= 100;
>		yPosition += 100;
>
>		Label showFilesLabel = new Label(shell, SWT.NONE);
>		showFilesLabel.setText("show files: ");
>		showFilesLabel.setLocation(xPosition, yPosition);
>		showFilesLabel.setSize(75, 20);
>
>		xPosition += 100;
>
>		Button showFilesButton = new Button(shell, SWT.PUSH);
>		showFilesButton.setText("show files");
>		showFilesButton.setLocation(xPosition, yPosition);
>		showFilesButton.setSize(75, 20);
>
>		xPosition = 30;
>		yPosition = 50;
>
>		openFileButton.addListener(SWT.Selection, new Listener() {
>			@Override
>			public void handleEvent(Event event) {
>				openNewShell(event.display);
>			}
>
>		});
>
>		showFilesButton.addListener(SWT.Selection, new Listener() {
>
>			@Override
>			public void handleEvent(Event event) {
>				createMenu(event.display, shell);
>
>			}
>
>			private void createMenu(Display display, Shell shell) {
>				Menu menu = new Menu(shell, SWT.POP_UP);
>
>				Rectangle bounds = showFilesButton.getBounds();
>				Point point = showFilesButton.getParent().toDisplay(bounds.x, bounds.y + bounds.height);
>
>				menu.setLocation(point);
>				menu.setVisible(true);
>
>				createDynamicalTree(shell, menu);
>
>				shell.setMenu(menu);
>			}
>
>			private void createDynamicalTree(Shell shell, Menu menu) {
>				Shell[] shells = display.getShells();
>				for (int i = 0; i < shells.length - 1; i++) {
>					MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
>					menuItem.setText(shells[i].getText());
>					final Shell currentShell = shells[i];
>					menuItem.addListener(SWT.Selection, new Listener() {
>
>						@Override
>						public void handleEvent(Event event) {
>							forceActive(currentShell);
>						}
>
>					});
>
>				}
>				menu.setEnabled(true);
>			}
>
>		});
>
>	}
>
>	private void openNewShell(Display display) {
>		Shell newShell = new Shell(display);
>		newShell.setSize(600, 600);
>		newShell.setLocation(xPosition, yPosition);
>		int shellNumber = display.getShells().length;
>		newShell.setText("Shell " + shellNumber);
>
>		newShell.setLayout(new FillLayout());
>
>		Text tf = new Text(newShell, SWT.BORDER);
>		tf.setText("Text field in Shell: " + shellNumber);
>		newShell.pack();
>		newShell.addShellListener(new ShellAdapter() {
>
>			@Override
>			public void shellClosed(ShellEvent e) {
>				super.shellClosed(e);
>				Shell[] shells = e.display.getShells();
>				for (int n = shells.length - 1; n >= 0; n--) {
>					Shell shell = shells[n];
>					if (shell != e.widget && shell != mainWindowShell) {
>						bringToTop(shell);
>						System.out.println(String.format("Shell with title '%s' brought to top.", shell.getText()));
>						break;
>					}
>				}
>			}
>		});
>		newShell.open();
>	}
>
>	@Override
>	public void stop() {
>		if (!PlatformUI.isWorkbenchRunning())
>			return;
>		final IWorkbench workbench = PlatformUI.getWorkbench();
>		final Display display = workbench.getDisplay();
>		display.syncExec(new Runnable() {
>			public void run() {
>				if (!display.isDisposed())
>					workbench.close();
>			}
>		});
>
>	}
>
>	private static void forceActive(Shell shell) {
>		shell.setMinimized(false);
>		shell.setFocus();
>		shell.forceActive();
>	}
>
>	private static void bringToTop(Shell shell) {
>		if (shell.getMinimized()) {
>			shell.setMinimized(false);
>		}
>		shell.forceActive();
>	}
>
>}

Actions: View | Diff

Attachments on bug 546558: 278333