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.sca.launch.ui.tabs; import gov.redhawk.model.sca.ScaDomainManager; import gov.redhawk.model.sca.provider.ScaItemProviderAdapterFactory; import gov.redhawk.sca.ScaPlugin; import gov.redhawk.sca.launch.ScaLaunchConfigurationConstants; import gov.redhawk.sca.launch.ui.ScaUIImages; import gov.redhawk.sca.ui.parts.FormFilteredTree; import gov.redhawk.sca.ui.wizards.InstallApplicationContentProvider; import gov.redhawk.sca.ui.wizards.WizardSadItemProviderAdapterFactory; import gov.redhawk.sca.util.PropertyChangeSupport; import java.beans.PropertyChangeListener; import java.util.Comparator; import mil.jpeojtrs.sca.sad.SoftwareAssembly; 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.core.runtime.jobs.IJobChangeEvent; import org.eclipse.core.runtime.jobs.JobChangeAdapter; import org.eclipse.debug.core.ILaunchConfiguration; import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy; import org.eclipse.debug.ui.AbstractLaunchConfigurationTab; import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.ViewerComparator; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.ui.dialogs.PatternFilter; import org.eclipse.ui.progress.WorkbenchJob; /** * */ public class WaveformMainTab extends AbstractLaunchConfigurationTab { public static final String SAD = "SOFTWARE_ASSEMBLY"; public static final String DOMAIN = "SCA_DOMAIN_MANAGER"; private Image mainImage; private Button startWaveform; private InstallApplicationContentProvider contentProvider; private FormFilteredTree waveformSelectionList; private ComboViewer domainCombo; private String waveformProfile; private final PropertyChangeSupport support = new PropertyChangeSupport(this); private Button openEditorButton; public WaveformMainTab() { this.mainImage = ScaUIImages.DESC_MAIN_TAB.createImage(); } @Override public Image getImage() { return this.mainImage; } @Override public void dispose() { if (this.mainImage != null) { this.mainImage.dispose(); this.mainImage = null; } super.dispose(); } public SoftwareAssembly getSoftwareAssembly() { return (SoftwareAssembly) ((IStructuredSelection) this.waveformSelectionList.getViewer().getSelection()) .getFirstElement(); } public ScaDomainManager getScaDomainManager() { return (ScaDomainManager) ((IStructuredSelection) this.domainCombo.getSelection()).getFirstElement(); } public void addPropertyChangeListener(final PropertyChangeListener listener) { this.support.addPropertyChangeListener(listener); } public void removePropertyChangeListener(final PropertyChangeListener listener) { this.support.removePropertyChangeListener(listener); } /** * {@inheritDoc} */ @Override public void createControl(final Composite parent) { // create the top level composite for the dialog area final Composite composite = new Composite(parent, SWT.NONE); setControl(composite); composite.setFont(parent.getFont()); composite.setLayout(new GridLayout(2, false)); final Label domainName = new Label(composite, SWT.None); domainName.setText("Domain:"); this.domainCombo = new ComboViewer(composite, SWT.BORDER); this.domainCombo.setContentProvider(new ArrayContentProvider()); this.domainCombo.setLabelProvider(new AdapterFactoryLabelProvider(new ScaItemProviderAdapterFactory())); this.domainCombo .setInput(ScaPlugin.getDefault().getDomainManagerRegistry(parent.getDisplay()).getDomains()); this.domainCombo.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); this.domainCombo.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(final SelectionChangedEvent event) { final IStructuredSelection selection = (IStructuredSelection) event.getSelection(); final Object element = selection.getFirstElement(); if (element instanceof ScaDomainManager) { final ScaDomainManager domain = (ScaDomainManager) element; WaveformMainTab.this.waveformSelectionList.getViewer().setInput(domain); } else { WaveformMainTab.this.waveformSelectionList.getViewer().setInput(""); } WaveformMainTab.this.support.firePropertyChange(WaveformMainTab.DOMAIN, null, getScaDomainManager()); updateLaunchConfigurationDialog(); } }); this.waveformSelectionList = new FormFilteredTree(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER, new PatternFilter()); this.waveformSelectionList .setLayoutData(GridDataFactory.fillDefaults().grab(true, true).span(2, 1).create()); this.contentProvider = new InstallApplicationContentProvider(); this.contentProvider.addContentCompletionListener(new JobChangeAdapter() { @Override public void done(final IJobChangeEvent event) { WorkbenchJob job = new WorkbenchJob("Restore Selection") { @Override public IStatus runInUIThread(IProgressMonitor monitor) { if (!getControl().isDisposed()) { restorePreviousWaveformSelection(); } return Status.OK_STATUS; } }; job.schedule(); } }); this.waveformSelectionList.getViewer().setContentProvider(this.contentProvider); this.waveformSelectionList.getViewer() .setLabelProvider(new AdapterFactoryLabelProvider(new WizardSadItemProviderAdapterFactory())); this.waveformSelectionList.getViewer().setComparator(new ViewerComparator() { private Comparator<String> viewerComparator; @Override protected Comparator<String> getComparator() { if (this.viewerComparator == null) { this.viewerComparator = new Comparator<String>() { @Override public int compare(final String s1, final String s2) { return s1.compareToIgnoreCase(s2); } }; } return this.viewerComparator; } }); this.startWaveform = new Button(composite, SWT.CHECK); this.startWaveform.setText("Start the waveform after launching"); this.startWaveform.setLayoutData(GridDataFactory.fillDefaults().span(2, 1).grab(false, false).create()); this.startWaveform.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent e) { updateLaunchConfigurationDialog(); } }); this.openEditorButton = new Button(composite, SWT.CHECK); this.openEditorButton.setText("Open editor after launch"); this.openEditorButton.setLayoutData(GridDataFactory.fillDefaults().span(2, 1).grab(false, false).create()); this.openEditorButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent e) { updateLaunchConfigurationDialog(); } }); this.waveformSelectionList.getViewer().addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(final SelectionChangedEvent event) { final Object selected = ((StructuredSelection) event.getSelection()).getFirstElement(); if (selected instanceof SoftwareAssembly) { final SoftwareAssembly sad = (SoftwareAssembly) selected; WaveformMainTab.this.waveformProfile = sad.eResource().getURI().path(); } else { WaveformMainTab.this.waveformProfile = ""; } WaveformMainTab.this.support.firePropertyChange(WaveformMainTab.SAD, null, getSoftwareAssembly()); updateLaunchConfigurationDialog(); } }); } private void restorePreviousWaveformSelection() { final TreeViewer viewer = this.waveformSelectionList.getViewer(); viewer.refresh(); SoftwareAssembly selection = null; if (this.contentProvider.getChildren() != null) { for (final SoftwareAssembly s : this.contentProvider.getChildren()) { if (s.eResource().getURI().path().equals(this.waveformProfile)) { selection = s; } } } if (selection != null) { viewer.setSelection(new StructuredSelection(selection)); } } /** * {@inheritDoc} */ @Override public void setDefaults(final ILaunchConfigurationWorkingCopy configuration) { if (this.domainCombo != null) { this.domainCombo.setSelection(new StructuredSelection()); } } @Override public boolean isValid(final ILaunchConfiguration launchConfig) { setMessage(null); setErrorMessage(null); return validateDomain() && validateWaveformSelection(); } private boolean validateWaveformSelection() { final ISelection selection = this.waveformSelectionList.getViewer().getSelection(); if (selection.isEmpty()) { setErrorMessage("Must select a waveform to launch"); return false; } return true; } private boolean validateDomain() { final ISelection selection = this.domainCombo.getSelection(); if (selection.isEmpty()) { setErrorMessage("Must select a domain"); return false; } return true; } /** * {@inheritDoc} */ @Override public void initializeFrom(final ILaunchConfiguration configuration) { try { final String domainName = configuration.getAttribute(ScaLaunchConfigurationConstants.ATT_DOMAIN_NAME, ""); this.waveformProfile = configuration.getAttribute(ScaLaunchConfigurationConstants.ATT_PROFILE, ""); final boolean autoStart = configuration.getAttribute(ScaLaunchConfigurationConstants.ATT_START, ScaLaunchConfigurationConstants.DEFAULT_VALUE_ATT_START); final boolean openEditor = configuration.getAttribute(ScaLaunchConfigurationConstants.ATT_OPEN, ScaLaunchConfigurationConstants.DEFAULT_VALUE_ATT_OPEN); for (final ScaDomainManager domain : ScaPlugin.getDefault() .getDomainManagerRegistry(Display.getCurrent()).getDomains()) { if (domainName.equals(domain.getName())) { this.domainCombo.setSelection(new StructuredSelection(domain)); break; } } this.startWaveform.setSelection(autoStart); this.openEditorButton.setSelection(openEditor); restorePreviousWaveformSelection(); } catch (final CoreException e) { // PASS } } /** * {@inheritDoc} */ @Override public void performApply(final ILaunchConfigurationWorkingCopy configuration) { String domainName = ""; final IStructuredSelection domainSelection = (IStructuredSelection) this.domainCombo.getSelection(); final Object domain = domainSelection.getFirstElement(); if (domain instanceof ScaDomainManager) { domainName = ((ScaDomainManager) domain).getName(); } configuration.setAttribute(ScaLaunchConfigurationConstants.ATT_DOMAIN_NAME, domainName); configuration.setAttribute(ScaLaunchConfigurationConstants.ATT_START, this.startWaveform.getSelection()); configuration.setAttribute(ScaLaunchConfigurationConstants.ATT_PROFILE, this.waveformProfile); configuration.setAttribute(ScaLaunchConfigurationConstants.ATT_OPEN, this.openEditorButton.getSelection()); } /** * {@inheritDoc} */ @Override public String getName() { return "Main"; } }