Java tutorial
/* * Copyright (c) 2016 Fraunhofer IGD * * All rights reserved. This program and the accompanying materials are made * available under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the License, * or (at your option) any later version. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution. If not, see <http://www.gnu.org/licenses/>. * * Contributors: * Fraunhofer IGD <http://www.igd.fraunhofer.de/> */ package de.fhg.igd.mapviewer.view; import java.awt.BorderLayout; import javax.swing.SwingUtilities; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.core.runtime.IConfigurationElement; import org.eclipse.core.runtime.Platform; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.ui.IActionBars; import org.eclipse.ui.IMemento; import org.eclipse.ui.IPartListener2; import org.eclipse.ui.IPartService; import org.eclipse.ui.IViewSite; import org.eclipse.ui.IWorkbenchPartReference; import org.eclipse.ui.PartInitException; import org.eclipse.ui.part.ViewPart; import org.eclipse.ui.part.WorkbenchPart; import de.fhg.igd.mapviewer.BasicMapKit; import de.fhg.igd.mapviewer.tip.MapTipManager; import de.fhg.igd.swingrcp.SwingComposite; /** * MapView * * @author <a href="mailto:simon.templer@igd.fhg.de">Simon Templer</a> */ public class MapView extends AbstractMapView implements IPartListener2 { private static final String MEMENTO_TOOLS = "tools"; //$NON-NLS-1$ private static final String MEMENTO_MAP = "map"; //$NON-NLS-1$ private static final Log log = LogFactory.getLog(MapView.class); /** * The ID of this View */ public static final String ID = "de.fhg.igd.mapviewer.view.MapView"; //$NON-NLS-1$ private SwingComposite main; private ExtendedMapKit mapKit; private MapTools mapTools; private IMemento initMemento; private final MapTipManager mapTips = new MapTipManager(); /** * The constructor. */ public MapView() { } /** * @see ViewPart#init(IViewSite, IMemento) */ @Override public void init(IViewSite site, IMemento memento) throws PartInitException { super.init(site, memento); this.initMemento = memento; IPartService partService = site.getService(IPartService.class); partService.addPartListener(this); } /** * @see ViewPart#saveState(IMemento) */ @Override public void saveState(IMemento memento) { mapTools.saveState(memento.createChild(MEMENTO_TOOLS)); mapKit.saveState(memento.createChild(MEMENTO_MAP)); super.saveState(memento); } /** * @see WorkbenchPart#createPartControl(Composite) */ @Override public void createPartControl(Composite parent) { super.createPartControl(parent); main = new SwingComposite(parent); main.getContentPane().setLayout(new BorderLayout()); mapKit = new ExtendedMapKit(MapView.this); main.getContentPane().add(mapKit, BorderLayout.CENTER); // actions configureActions(); // restore state mapTools.restoreState((initMemento != null) ? (initMemento.getChild(MEMENTO_TOOLS)) : (null)); // status new PositionStatus(mapKit.getMainMap(), getViewSite(), getTitleImage(), epsgProvider); new PositionStatus(mapKit.getMiniMap(), getViewSite(), getTitleImage(), epsgProvider); // view activator ViewActivator activator = new ViewActivator(getViewSite()); activator.addComponent(mapKit.getMainMap()); activator.addComponent(mapKit.getMiniMap()); } /** * @see WorkbenchPart#setFocus() */ @Override public void setFocus() { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { main.getContentPane().requestFocus(); } }); } /** * Configure menu and toolbar actions and register map view extensions */ public void configureActions() { IActionBars bars = getViewSite().getActionBars(); // tool-bar IToolBarManager toolBar = bars.getToolBarManager(); toolBar.add(mapTools = new MapTools(mapKit)); // menu IMenuManager menu = bars.getMenuManager(); menu.add(new MapMenu()); // extensions IConfigurationElement[] config = Platform.getExtensionRegistry() .getConfigurationElementsFor(MapViewExtension.class.getName()); for (IConfigurationElement element : config) { if (element.getName().equals("extra")) { //$NON-NLS-1$ try { MapViewExtension extra = (MapViewExtension) element.createExecutableExtension("class"); //$NON-NLS-1$ extra.setMapView(this); } catch (Exception e) { log.warn("Error creating map view extension", e); //$NON-NLS-1$ } } } // add map tips mapKit.addCustomPainter(mapTips); } /** * @return the mapTips */ public MapTipManager getMapTips() { return mapTips; } /** * @return the map kit */ public BasicMapKit getMapKit() { return mapKit; } /** * @return the map tools */ public MapTools getMapTools() { return mapTools; } /** * @see IPartListener2#partVisible(IWorkbenchPartReference) */ @Override public void partVisible(IWorkbenchPartReference partRef) { // ignore } /** * @see IPartListener2#partActivated(IWorkbenchPartReference) */ @Override public void partActivated(IWorkbenchPartReference partRef) { // ignore } /** * @see IPartListener2#partBroughtToTop(IWorkbenchPartReference) */ @Override public void partBroughtToTop(IWorkbenchPartReference partRef) { // ignore } /** * @see IPartListener2#partClosed(IWorkbenchPartReference) */ @Override public void partClosed(IWorkbenchPartReference partRef) { if (partRef.getPart(false) == this) { // do nothing } } /** * @see IPartListener2#partDeactivated(org.eclipse.ui.IWorkbenchPartReference) */ @Override public void partDeactivated(IWorkbenchPartReference partRef) { // ignore } /** * @see IPartListener2#partHidden(IWorkbenchPartReference) */ @Override public void partHidden(IWorkbenchPartReference partRef) { // ignore } /** * @see IPartListener2#partInputChanged(IWorkbenchPartReference) */ @Override public void partInputChanged(IWorkbenchPartReference partRef) { // ignore } /** * @see IPartListener2#partOpened(IWorkbenchPartReference) */ @Override public void partOpened(IWorkbenchPartReference partRef) { if (partRef.getPart(false) == this) { // do nothing - expecting restoreState to be called by extensions } } /** * Restore the map state from the view memento. */ public void restoreState() { // restore state (e.g. the first time the view becomes visible) final Display display = Display.getCurrent(); // must be done like this because of mapKit.zoomToPositions - // else there is no component width/height set display.asyncExec(new Runnable() { @Override public void run() { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { mapKit.restoreState( (initMemento != null) ? (initMemento.getChild(MapView.MEMENTO_MAP)) : (null)); } }); } }); } }