Java tutorial
/*---------------- FILE HEADER KALYPSO ------------------------------------------ * * This file is part of kalypso. * Copyright (C) 2004 by: * * Technical University Hamburg-Harburg (TUHH) * Institute of River and coastal engineering * Denickestrae 22 * 21073 Hamburg, Germany * http://www.tuhh.de/wb * * and * * Bjoernsen Consulting Engineers (BCE) * Maria Trost 3 * 56070 Koblenz, Germany * http://www.bjoernsen.de * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Contact: * * E-Mail: * belger@bjoernsen.de * schlienger@bjoernsen.de * v.doemming@tuhh.de * * ---------------------------------------------------------------------------*/ package org.kalypso.model.wspm.pdb.ui.internal.content; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.StructuredViewer; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.events.DisposeEvent; import org.eclipse.swt.events.DisposeListener; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Menu; import org.eclipse.ui.IWorkbenchActionConstants; import org.eclipse.ui.IWorkbenchPartSite; import org.eclipse.ui.forms.widgets.ExpandableComposite; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.forms.widgets.Section; import org.eclipse.ui.services.IEvaluationService; import org.eclipse.ui.services.IServiceLocator; import org.kalypso.model.wspm.pdb.connect.IPdbConnection; import org.kalypso.model.wspm.pdb.ui.internal.IWaterBodyStructure; import org.kalypso.model.wspm.pdb.ui.internal.i18n.Messages; import org.kalypso.model.wspm.pdb.ui.internal.wspm.PdbWspmProject; /** * @author Gernot Belger */ public class ConnectionViewer extends Composite implements IConnectionViewer { private final IPdbConnection m_connection; private ConnectionContentControl m_contentViewer; private final PdbWspmProject m_project; public ConnectionViewer(final IServiceLocator serviceLocator, final FormToolkit toolkit, final Composite parent, final IPdbConnection connection, final PdbWspmProject project) { super(parent, SWT.NONE); m_connection = connection; m_project = project; toolkit.adapt(this); GridLayoutFactory.fillDefaults().applyTo(this); createPdbView(serviceLocator, toolkit, this).setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); final StructuredViewer contentViewer = m_contentViewer.getWatersViewer(); createSearchControls(toolkit, this, contentViewer) .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); } private Control createPdbView(final IServiceLocator serviceLocator, final FormToolkit toolkit, final Composite parent) { final Section section = toolkit.createSection(parent, Section.DESCRIPTION | ExpandableComposite.TITLE_BAR); section.setText(Messages.getString("ConnectionViewer.0")); //$NON-NLS-1$ section.setDescription(Messages.getString("ConnectionViewer.1")); //$NON-NLS-1$ section.setLayout(new FillLayout()); m_contentViewer = new ConnectionContentControl(serviceLocator, toolkit, section, m_connection); section.setClient(m_contentViewer); return section; } private Control createSearchControls(final FormToolkit toolkit, final Composite parent, final StructuredViewer viewer) { final Section section = toolkit.createSection(parent, ExpandableComposite.TITLE_BAR | Section.DESCRIPTION | ExpandableComposite.TWISTIE | ExpandableComposite.EXPANDED); section.setText(Messages.getString("ConnectionViewer.2")); //$NON-NLS-1$ section.setDescription(Messages.getString("ConnectionViewer.3")); //$NON-NLS-1$ section.setLayout(new FillLayout()); final ContentSearchViewer searchPanel = new ContentSearchViewer(toolkit, section, viewer, this); toolkit.adapt(searchPanel); section.setClient(searchPanel); return section; } @Override public void reload(final ElementSelector elementToSelect) { if (m_contentViewer != null) m_contentViewer.refresh(elementToSelect); } public void createContextMenu(final IWorkbenchPartSite site) { final TreeViewer watersViewer = m_contentViewer.getWatersViewer(); // final TreeViewer statesViewer = m_contentViewer.getStatesViewer(); // FIXME: combined viewer? site.setSelectionProvider(watersViewer); // create context menu for editor final MenuManager menuManager = new MenuManager(); // add additions separator: if not, eclipse whines menuManager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); menuManager.addMenuListener(new IMenuListener() { @Override public void menuAboutToShow(final IMenuManager manager) { // Strange, without this listener, the menu does not show up the first time } }); final Menu watersMenu = menuManager.createContextMenu(watersViewer.getControl()); // final Menu statesMenu = menuManager.createContextMenu( statesViewer.getControl() ); site.registerContextMenu(site.getId() + ":waters", menuManager, watersViewer); //$NON-NLS-1$ //site.registerContextMenu( site.getId() + ":states", menuManager, statesViewer ); //$NON-NLS-N$ watersViewer.getControl().setMenu(watersMenu); // statesViewer.getControl().setMenu( statesMenu ); final IEvaluationService service = (IEvaluationService) site.getService(IEvaluationService.class); service.requestEvaluation(IEvaluationService.PROP_NOTIFYING /* ISources.ACTIVE_CURRENT_SELECTION_NAME */); watersViewer.getControl().addDisposeListener(new DisposeListener() { @Override public void widgetDisposed(final DisposeEvent e) { menuManager.dispose(); site.setSelectionProvider(null); } }); } @Override public IWaterBodyStructure getStructure() { if (m_contentViewer == null) return null; return m_contentViewer.getStructure(); } @Override public IPdbConnection getConnection() { return m_connection; } @Override public String getUsername() { return m_connection.getSettings().getUsername(); } @Override public PdbWspmProject getProject() { return m_project; } @Override public IStructuredSelection getSelection() { return m_contentViewer.getSelection(); } }