org.erlide.ui.util.PopupDialog.java Source code

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Here is the source code for org.erlide.ui.util.PopupDialog.java

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/*******************************************************************************
 * Copyright (c) 2004 Vlad Dumitrescu 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:
 *     Vlad Dumitrescu
 *******************************************************************************/
package org.erlide.ui.util;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Layout;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.progress.UIJob;
import org.erlide.ui.internal.ErlideUIPlugin;

import com.novocode.naf.swt.custom.BalloonWindow;

public class PopupDialog {

    private PopupDialog() {
    }

    static BalloonWindow win;

    public static void show(final String title, final String message, final int delay, final int anchor,
            final boolean centered) {
        // if (Workbench.getInstance()==null)
        // return;
        final IWorkbench workbench = PlatformUI.getWorkbench();
        final IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
        final Shell shell = window == null ? null : window.getShell();
        final Display display = window == null ? workbench.getDisplay() : window.getShell().getDisplay();

        // balloon
        if (delay >= 0) {

            display.syncExec(new Runnable() {
                @Override
                public void run() {
                    win = new BalloonWindow(display, SWT.ON_TOP | SWT.TITLE | SWT.TOOL);
                    win.setText(title);

                    final Layout layout = new FillLayout();
                    final Composite ct = win.getContents();
                    ct.setLayout(layout);

                    final Label l = new Label(ct, SWT.LEFT | SWT.WRAP);
                    l.setBackground(ct.getBackground());
                    l.setForeground(ct.getForeground());
                    l.setText(message);
                    // l.setBounds(0, 0, 60, 60);
                    l.setBounds(ct.getClientArea());
                    l.pack();
                    ct.pack();
                    win.addSelectionControl(l);

                    final Rectangle r = display.getPrimaryMonitor().getBounds();
                    final Rectangle rr = win.getContents().getBounds();
                    if (centered) {
                        win.setLocation(r.x + r.width / 2 - rr.width / 2, r.y + r.height / 2 - rr.height / 2);
                    } else {
                        final Shell activeShell = display.getActiveShell();
                        if (activeShell != null) {
                            final Rectangle shellBounds = activeShell.getBounds();
                            win.setLocation(shellBounds.x + shellBounds.width - 10,
                                    shellBounds.y + shellBounds.height - 10);
                        } else {
                            win.setLocation(r.x + r.width - 10, r.y + r.height - 30);
                        }
                    }
                    win.setAnchor(anchor);
                    win.setVisible(true);

                }
            });
            final UIJob job = new UIJob("close balloon") {
                @Override
                public IStatus runInUIThread(final IProgressMonitor monitor) {
                    if (!win.getContents().isDisposed()) {
                        win.getContents().getShell().close();
                        // display.dispose();
                    }
                    return new Status(IStatus.OK, ErlideUIPlugin.PLUGIN_ID, IStatus.OK, "", null);
                }
            };
            job.schedule(delay);
        } else {
            // regular dialog
            final MessageDialog dlg = new MessageDialog(shell, title, null, message, MessageDialog.ERROR,
                    new String[] { "OK" }, 0);
            dlg.open();
        }
    }

    public static void showBalloon(final String title, final String message, final int delay) {
        show(title, message, delay, SWT.RIGHT | SWT.BOTTOM, false);
    }

    public static void showDialog(final String title, final String message, final int delay) {
        show(title, message, delay, SWT.NONE, true);
    }

    public static void showModalDialog(final String title, final String message) {
        show(title, message, -1, SWT.NONE, true);
    }

}