Java tutorial
/******************************************************************************* * This file is protected by Copyright. * Please refer to the COPYRIGHT file distributed with this source distribution. * * This file is part of REDHAWK IDE. * * 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 *******************************************************************************/ package gov.redhawk.ide.debug.internal.ui.diagram; import gov.redhawk.ide.debug.LocalSca; import gov.redhawk.ide.debug.LocalScaWaveform; import gov.redhawk.ide.debug.ScaDebugPlugin; import gov.redhawk.ide.debug.internal.ScaDebugInstance; import gov.redhawk.ide.debug.ui.diagram.LocalScaDiagramPlugin; import gov.redhawk.ide.sad.internal.ui.editor.SadEditor; import gov.redhawk.ide.sad.ui.SadUiActivator; import gov.redhawk.model.sca.RefreshDepth; import gov.redhawk.model.sca.commands.ScaModelCommand; import gov.redhawk.sca.sad.diagram.part.SadDiagramEditor; import gov.redhawk.sca.ui.ScaFileStoreEditorInput; import gov.redhawk.sca.util.Debug; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.util.Collections; import java.util.List; import java.util.concurrent.Callable; import mil.jpeojtrs.sca.sad.SadFactory; import mil.jpeojtrs.sca.sad.SoftwareAssembly; import mil.jpeojtrs.sca.util.CorbaUtils; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.emf.common.notify.Notification; import org.eclipse.emf.common.ui.URIEditorInput; import org.eclipse.emf.ecore.resource.Resource; import org.eclipse.jface.dialogs.ProgressMonitorDialog; import org.eclipse.jface.operation.IRunnableWithProgress; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.swt.widgets.Display; import org.eclipse.ui.IEditorInput; import org.eclipse.ui.PartInitException; import org.eclipse.ui.statushandlers.StatusManager; /** * */ public class LocalScaEditor extends SadEditor { private static final Debug DEBUG = new Debug(LocalScaDiagramPlugin.PLUGIN_ID, "editor"); private ScaModelAdapter scaListener; private SadModelAdapter sadlistener; private LocalScaWaveform waveform; private boolean isLocalSca; private Resource mainResource; private SoftwareAssembly sad; @Override protected void createModel() { if (isLocalSca) { mainResource = getEditingDomain().getResourceSet() .createResource(ScaDebugInstance.getLocalSandboxWaveformURI()); sad = SadFactory.eINSTANCE.createSoftwareAssembly(); getEditingDomain().getCommandStack().execute(new ScaModelCommand() { @Override public void execute() { mainResource.getContents().add(sad); } }); } else { super.createModel(); sad = SoftwareAssembly.Util.getSoftwareAssembly(super.getMainResource()); } initModelMap(); } @SuppressWarnings("restriction") @Override protected void setInput(IEditorInput input) { if (input instanceof ScaFileStoreEditorInput) { ScaFileStoreEditorInput scaInput = (ScaFileStoreEditorInput) input; if (scaInput.getScaObject() instanceof LocalScaWaveform) { this.waveform = (LocalScaWaveform) scaInput.getScaObject(); } else { throw new IllegalStateException( "Sandbox Editor opened on invalid sca input " + scaInput.getScaObject()); } } else if (input instanceof URIEditorInput) { URIEditorInput uriInput = (URIEditorInput) input; if (uriInput.getURI().equals(ScaDebugInstance.getLocalSandboxWaveformURI())) { final LocalSca localSca = ScaDebugPlugin.getInstance().getLocalSca(); if (!ScaDebugInstance.INSTANCE.isInit()) { ProgressMonitorDialog dialog = new ProgressMonitorDialog(Display.getCurrent().getActiveShell()); try { dialog.run(true, true, new IRunnableWithProgress() { @Override public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { monitor.beginTask("Starting Chalkboard...", IProgressMonitor.UNKNOWN); try { ScaDebugInstance.INSTANCE.init(monitor); } catch (CoreException e) { throw new InvocationTargetException(e); } monitor.done(); } }); } catch (InvocationTargetException e1) { StatusManager.getManager().handle( new Status(Status.ERROR, ScaDebugPlugin.ID, "Failed to initialize sandbox.", e1), StatusManager.SHOW | StatusManager.LOG); } catch (InterruptedException e1) { // PASS } } this.waveform = localSca.getSandboxWaveform(); if (waveform == null) { ProgressMonitorDialog dialog = new ProgressMonitorDialog(Display.getCurrent().getActiveShell()); try { dialog.run(true, true, new IRunnableWithProgress() { @Override public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { monitor.beginTask("Starting Sandbox...", IProgressMonitor.UNKNOWN); try { ScaDebugPlugin.getInstance().getLocalSca(monitor); } catch (CoreException e) { throw new InvocationTargetException(e); } } }); } catch (InvocationTargetException e) { throw new IllegalStateException("Failed to setup sandbox", e); } catch (InterruptedException e) { throw new IllegalStateException("Sandbox setup canceled, can not load editor."); } this.waveform = localSca.getSandboxWaveform(); if (waveform == null) { throw new IllegalStateException("Failed to setup sandbox, null waveform.", null); } } } } else { throw new IllegalStateException("Sandbox Editor opened on invalid input " + input); } if (ScaDebugPlugin.getInstance().getLocalSca().getSandboxWaveform() == waveform || this.waveform == null) { isLocalSca = true; } super.setInput(input); } @Override public Resource getMainResource() { if (mainResource == null) { return super.getMainResource(); } return mainResource; } private void initModelMap() { if (waveform == null) { throw new IllegalStateException("Can not initialize the Model Map with null local waveform"); } if (sad == null) { throw new IllegalStateException("Can not initialize the Model Map with null sad"); } if (!waveform.isSetComponents()) { if (Display.getCurrent() != null) { ProgressMonitorDialog dialog = new ProgressMonitorDialog(Display.getCurrent().getActiveShell()); try { dialog.run(true, true, new IRunnableWithProgress() { @Override public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { try { CorbaUtils.invoke(new Callable<Object>() { @Override public Object call() throws Exception { waveform.refresh(monitor, RefreshDepth.FULL); return null; } }, monitor); } catch (CoreException e) { throw new InvocationTargetException(e); } } }); } catch (InvocationTargetException e) { // PASS } catch (InterruptedException e) { // PASS } } else { try { waveform.refresh(null, RefreshDepth.FULL); } catch (InterruptedException e) { // PASS } } } final ModelMap modelMap = new ModelMap(this, sad, waveform); if (isLocalSca) { // Use the SCA Model are source to build the SAD when we are in the chalkboard since the SAD file isn't // modified getEditingDomain().getCommandStack().execute(new SadModelInitializerCommand(modelMap, sad, waveform)); } else { // Use the existing SAD file as a template when initializing the modeling map getEditingDomain().getCommandStack().execute(new ModelMapInitializerCommand(modelMap, sad, waveform)); } getEditingDomain().getCommandStack().flush(); this.sadlistener = new SadModelAdapter(modelMap); this.scaListener = new ScaModelAdapter(modelMap) { @Override public void notifyChanged(Notification notification) { super.notifyChanged(notification); if (notification.getNotifier() == waveform) { if (waveform.isDisposed() && !isDisposed()) { getEditorSite().getPage().getWorkbenchWindow().getWorkbench().getDisplay() .asyncExec(new Runnable() { @Override public void run() { if (!isDisposed()) { getEditorSite().getPage().closeEditor(LocalScaEditor.this, false); } } }); } } } }; ScaModelCommand.execute(this.waveform, new ScaModelCommand() { @Override public void execute() { scaListener.addAdapter(waveform); } }); sad.eAdapters().add(this.sadlistener); if (LocalScaEditor.DEBUG.enabled) { try { sad.eResource().save(null); } catch (final IOException e) { LocalScaEditor.DEBUG.catching("Failed to save local diagram.", e); } } } @Override public void dispose() { if (this.sadlistener != null) { if (sad != null) { sad.eAdapters().remove(this.sadlistener); } this.sadlistener = null; } if (this.scaListener != null) { ScaModelCommand.execute(waveform, new ScaModelCommand() { @Override public void execute() { waveform.eAdapters().remove(LocalScaEditor.this.scaListener); } }); this.scaListener = null; } super.dispose(); } @Override public void doSave(final IProgressMonitor monitor) { doSaveAs(); } @Override protected void addPages() { // Only creates the other pages if there is something that can be edited // if (!getEditingDomain().getResourceSet().getResources().isEmpty() && !(getEditingDomain().getResourceSet().getResources().get(0)).getContents().isEmpty()) { try { int pageIndex = 0; final Resource sadResource = getMainResource(); final SadDiagramEditor editor = createDiagramEditor(); setDiagramEditor(editor); final IEditorInput input = createDiagramInput(sadResource); pageIndex = addPage(editor, input); setPageText(pageIndex, "Diagram"); getEditingDomain().getCommandStack().removeCommandStackListener(getCommandStackListener()); } catch (final PartInitException e) { StatusManager.getManager().handle(new Status(IStatus.ERROR, SadUiActivator.getPluginId(), "Failed to create editor parts.", e), StatusManager.LOG | StatusManager.SHOW); } catch (final IOException e) { StatusManager.getManager().handle(new Status(IStatus.ERROR, SadUiActivator.getPluginId(), "Failed to create editor parts.", e), StatusManager.LOG | StatusManager.SHOW); } catch (final CoreException e) { StatusManager.getManager().handle(new Status(IStatus.ERROR, SadUiActivator.getPluginId(), "Failed to create editor parts.", e), StatusManager.LOG | StatusManager.SHOW); } } } @Override public List<Object> getOutlineItems() { return Collections.emptyList(); } @Override protected SadDiagramEditor createDiagramEditor() { return new SandboxDiagramEditor(this); } @Override public void doSaveAs() { final NewWaveformFromLocalWizard wizard = new NewWaveformFromLocalWizard(sad); final WizardDialog dialog = new WizardDialog(getSite().getShell(), wizard); dialog.open(); } @Override public boolean isSaveAsAllowed() { return true; } @Override public boolean isSaveOnCloseNeeded() { return false; } @Override public boolean isDirty() { return false; } @Override public String getTitle() { if (waveform != null) { return super.getTitle(); } else { return "Chalkboard"; } } @Override public String getTitleToolTip() { if (waveform != null && waveform.getName() != null) { return waveform.getName() + " dynamic waveform"; } else { return "Chalkboard dynamic waveform"; } } }