Java tutorial
/******************************************************************************* * Copyright (c) 2010 Neil Bartlett. * 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: * Neil Bartlett - initial API and implementation *******************************************************************************/ package bndtools.utils; import java.util.Objects; import java.util.stream.Stream; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.dialogs.PopupDialog; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.forms.IMessage; import org.eclipse.ui.forms.events.HyperlinkEvent; import org.eclipse.ui.forms.events.IHyperlinkListener; import org.eclipse.ui.forms.widgets.Hyperlink; public class MessageHyperlinkAdapter implements IHyperlinkListener { private PopupDialog popupDialog = null; private final IWorkbenchPart part; public MessageHyperlinkAdapter(IWorkbenchPart part) { this.part = part; } @Override public void linkActivated(HyperlinkEvent e) { showPopup(e); } @Override public void linkEntered(final HyperlinkEvent e) { } @Override public void linkExited(HyperlinkEvent e) { } private void showPopup(final HyperlinkEvent e) { Hyperlink link = (Hyperlink) e.getSource(); link.setToolTipText(null); if (popupDialog != null) popupDialog.close(); IMessage[] messages = (IMessage[]) e.data; if (messages == null) { messages = new IMessage[0]; } else { messages = Stream.of(messages).filter(Objects::nonNull).toArray(IMessage[]::new); } if (messages.length == 0) { MessageDialog.openInformation(part.getSite().getShell(), part.getTitle(), "No further information available."); } else { popupDialog = new MessagesPopupDialog(link, (IMessage[]) e.data, part); popupDialog.open(); } } }