Java tutorial
package alma.acs.eventbrowser.views; /******************************************************************************* * Copyright (c) 2006 Tom Schindl 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: * Tom Schindl - initial API and implementation *******************************************************************************/ import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.logging.Logger; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.dnd.Clipboard; import org.eclipse.swt.dnd.TextTransfer; import org.eclipse.swt.dnd.Transfer; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.omg.CORBA.Any; import org.omg.CosNotification.StructuredEvent; import tdem.TDEM_TOPICS.actuatorSpace; import tdem.TDEM_TOPICS.pttDataEvent; import alma.acs.eventbrowser.model.EventModel; import alma.acs.exceptions.AcsJException; import alma.acs.nc.StructuredEventCreator; import alma.acs.util.StopWatch; /** * A simple TableViewer to demonstrate usage * * @author Tom Schindl <tom.schindl@bestsolution.at> * */ public class EventDetailTestHarness { private static class MyContentProvider implements IStructuredContentProvider { /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.IStructuredContentProvider#getElements( * java.lang.Object) */ public Object[] getElements(Object inputElement) { return (ParsedAnyData[]) inputElement; } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IContentProvider#dispose() */ public void dispose() { } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse * .jface.viewers.Viewer, java.lang.Object, java.lang.Object) */ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } } private static Logger logger; private static StructuredEventCreator seCreator; private TableViewer viewer; private Clipboard cb; public EventDetailTestHarness(Shell shell) { final TableViewer v = new TableViewer(shell, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL); viewer = v; Table table = v.getTable(); table.setHeaderVisible(true); table.setLinesVisible(true); GridLayout gridLayout = new GridLayout(); gridLayout.marginHeight = 0; gridLayout.marginWidth = 0; gridLayout.verticalSpacing = 0; shell.setLayout(gridLayout); TableViewerColumn tvcol = new TableViewerColumn(v, SWT.NONE, 0); tvcol.setLabelProvider(new DetailNameLabelProvider()); TableColumn col = tvcol.getColumn(); col.setText("Name"); col.setWidth(180); col.setAlignment(SWT.LEFT); tvcol = new TableViewerColumn(v, SWT.NONE, 1); tvcol.setLabelProvider(new DetailTypeLabelProvider()); col = tvcol.getColumn(); col.setText("Type"); col.setWidth(100); col.setAlignment(SWT.LEFT); tvcol = new TableViewerColumn(v, SWT.NONE, 2); tvcol.setLabelProvider(new DetailValueLabelProvider()); col = tvcol.getColumn(); col.setText("Value"); col.setWidth(50); col.setAlignment(SWT.LEFT); GridDataFactory.fillDefaults().grab(true, true).applyTo(v.getTable()); v.setContentProvider(new MyContentProvider()); ParsedAnyData[] model = createModel(); v.setInput(model); v.getTable().setLinesVisible(true); Menu popUpMenu = new Menu(shell, SWT.POP_UP); viewer.getControl().setMenu(popUpMenu); MenuItem copyItem = new MenuItem(popUpMenu, SWT.PUSH); copyItem.setText("Copy"); cb = new Clipboard(Display.getDefault()); copyItem.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { copySelection(); } @SuppressWarnings("unchecked") private void copySelection() { List<ParsedAnyData> personList = new ArrayList<ParsedAnyData>(); ISelection selection = viewer.getSelection(); if (selection != null && selection instanceof IStructuredSelection) { IStructuredSelection sel = (IStructuredSelection) selection; for (Iterator iterator = sel.iterator(); iterator.hasNext();) { ParsedAnyData person = (ParsedAnyData) iterator.next(); personList.add(person); } } else return; StringBuilder sb = new StringBuilder(); for (ParsedAnyData person : personList) { sb.append(parsedAnyDataToString(person)); } TextTransfer textTransfer = TextTransfer.getInstance(); cb.setContents(new Object[] { sb.toString() }, new Transfer[] { textTransfer }); } @Override public void widgetDefaultSelected(SelectionEvent e) { } private String parsedAnyDataToString(ParsedAnyData person) { return person.getName() + "\t" + person.getType() + "\t" + person.getValue() + System.getProperty("line.separator"); } }); } private ParsedAnyData[] createModel() { ParsedAnyData[] elements = parsePttDataEvent(); return elements; } /** * @param args */ public static void main(String[] args) { EventModel em = null; try { em = EventModel.getInstance(); logger = em.getLogger(); } catch (Exception e) { e.printStackTrace(); System.out.println("Couldn't create the Event Model."); System.exit(1); } seCreator = new StructuredEventCreator(em.getContainerServices()); Display display = new Display(); Shell shell = new Shell(display); shell.setLayout(new FillLayout()); new EventDetailTestHarness(shell); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); } public static ParsedAnyData[] parsePttDataEvent() { pttDataEvent pde = new pttDataEvent(new actuatorSpace(new double[2952]), new actuatorSpace(new double[2952]), 25, 32L); StructuredEvent se = null; String eventName = null; Any eventAny = null; try { se = seCreator.createEvent(pde); eventName = se.header.fixed_header.event_type.type_name; eventAny = se.filterable_data[0].value; } catch (AcsJException e) { e.printStackTrace(); System.err.println("Couldn't create structured event for pttDataEvent"); } StopWatch sw = new StopWatch(logger); DynAnyParser parser = new DynAnyParser(eventAny, eventName); ParsedAnyData[] pResults = parser.getParsedResults(null); sw.logLapTime("parse this eventAny"); return pResults; } }