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.sdr.ui.export; import gov.redhawk.ide.natures.ScaComponentProjectNature; import gov.redhawk.ide.natures.ScaNodeProjectNature; import gov.redhawk.ide.natures.ScaWaveformProjectNature; import gov.redhawk.ide.sdr.ui.export.DeployableScaExportWizard.DeployableScaExportWizardModel; import gov.redhawk.ide.ui.RedhawkIDEUiPlugin; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.UpdateValueStrategy; import org.eclipse.core.databinding.validation.IValidator; import org.eclipse.core.databinding.validation.ValidationStatus; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IWorkspaceRoot; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Status; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.databinding.viewers.ViewersObservables; import org.eclipse.jface.databinding.wizard.WizardPageSupport; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.CheckStateChangedEvent; import org.eclipse.jface.viewers.CheckboxTableViewer; import org.eclipse.jface.viewers.ICheckStateListener; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.DirectoryDialog; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.TabFolder; import org.eclipse.swt.widgets.TabItem; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; /** * @since 3.1 */ public class DeployableScaExportWizardPage extends WizardPage { private DeployableScaExportWizardModel model; protected DeployableScaExportWizardPage() { super("Export"); } @Override public void createControl(final Composite parent) { this.model = ((DeployableScaExportWizard) getWizard()).getModel(); final DataBindingContext dbc = new DataBindingContext(); WizardPageSupport.create(this, dbc); setTitle("Deployable SCA"); setMessage("Export the selected projects into a form suitable for deploying into a OSSIE SDR root"); final Composite client = new Composite(parent, SWT.NULL); client.setLayout(new GridLayout(1, false)); final Composite projectSelectionGroup = new Composite(client, SWT.NULL); projectSelectionGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); projectSelectionGroup.setLayout(new GridLayout(2, false)); final Label availScaProjects = new Label(projectSelectionGroup, SWT.NONE); availScaProjects.setText("Available SCA Projects:"); availScaProjects.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 2, 1)); final CheckboxTableViewer availableProjectsViewer = new CheckboxTableViewer( new Table(projectSelectionGroup, SWT.CHECK | SWT.READ_ONLY | SWT.BORDER)); availableProjectsViewer.setContentProvider(new ArrayContentProvider()); availableProjectsViewer.setLabelProvider(new LabelProvider() { @Override public String getText(final Object element) { return ((IProject) element).getName(); } }); final IProject[] scaProjects = getScaProjects(); availableProjectsViewer.setInput(scaProjects); availableProjectsViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); final Composite buttonBox = new Composite(projectSelectionGroup, SWT.NULL); buttonBox.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 1, 1)); buttonBox.setLayout(new GridLayout(1, false)); final Label selectedProjects = new Label(projectSelectionGroup, SWT.NONE); selectedProjects.setText(this.model.projectsToExport.size() + " of " + scaProjects.length + " selected."); selectedProjects.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 2, 1)); availableProjectsViewer.addCheckStateListener(new ICheckStateListener() { @Override public void checkStateChanged(final CheckStateChangedEvent event) { selectedProjects.setText(availableProjectsViewer.getCheckedElements().length + " of " + scaProjects.length + " selected."); } }); final Button selectAll = new Button(buttonBox, SWT.PUSH); selectAll.setText("Select All"); selectAll.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1)); selectAll.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(final SelectionEvent e) { availableProjectsViewer.setAllChecked(true); DeployableScaExportWizardPage.this.model.projectsToExport.clear(); DeployableScaExportWizardPage.this.model.projectsToExport.addAll(Arrays.asList(scaProjects)); selectedProjects.setText(availableProjectsViewer.getCheckedElements().length + " of " + scaProjects.length + " selected."); } @Override public void widgetDefaultSelected(final SelectionEvent e) { // PASS } }); final Button selectNone = new Button(buttonBox, SWT.PUSH); selectNone.setText("Deselect All"); selectNone.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1)); selectNone.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(final SelectionEvent e) { availableProjectsViewer.setAllChecked(false); DeployableScaExportWizardPage.this.model.projectsToExport.clear(); selectedProjects.setText(availableProjectsViewer.getCheckedElements().length + " of " + scaProjects.length + " selected."); } @Override public void widgetDefaultSelected(final SelectionEvent e) { // PASS } }); final TabFolder exportCustomization = new TabFolder(client, SWT.TOP); exportCustomization.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); final Composite destinationComposite = new Composite(exportCustomization, SWT.NONE); destinationComposite.setLayout(new GridLayout(2, false)); final Button directoryRadio = new Button(destinationComposite, SWT.RADIO); directoryRadio.setText("Directory:"); directoryRadio.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 2, 1)); directoryRadio.setSelection(true); final Text directoryText = new Text(destinationComposite, SWT.BORDER); directoryText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); directoryText.setEnabled(true); final Button directoryBrowse = new Button(destinationComposite, SWT.PUSH); directoryBrowse.setText("Browse..."); directoryBrowse.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1)); directoryBrowse.setEnabled(true); directoryBrowse.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(final SelectionEvent e) { widgetSelected(e); } @Override public void widgetSelected(final SelectionEvent e) { final DirectoryDialog fd = new DirectoryDialog( PlatformUI.getWorkbench().getDisplay().getActiveShell(), SWT.OPEN); fd.setText("Destination Directory"); fd.setFilterPath(null); final String selected = fd.open(); if (selected != null) { directoryText.setText(selected); dbc.updateModels(); } } }); directoryRadio.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(final SelectionEvent e) { widgetSelected(e); } @Override public void widgetSelected(final SelectionEvent e) { final boolean selected = directoryRadio.getSelection(); directoryText.setEnabled(selected); directoryBrowse.setEnabled(selected); } }); final Button archiveRadio = new Button(destinationComposite, SWT.RADIO); archiveRadio.setText("Archive file:"); archiveRadio.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 2, 1)); archiveRadio.setSelection(false); final Text archiveText = new Text(destinationComposite, SWT.BORDER); archiveText.setText(""); archiveText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); archiveText.setEnabled(false); final Button archiveBrowse = new Button(destinationComposite, SWT.PUSH); archiveBrowse.setText("Browse..."); archiveBrowse.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1)); archiveBrowse.setEnabled(false); archiveBrowse.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(final SelectionEvent e) { widgetSelected(e); } @Override public void widgetSelected(final SelectionEvent e) { final FileDialog fd = new FileDialog(PlatformUI.getWorkbench().getDisplay().getActiveShell(), SWT.SAVE); fd.setText("Destination Archive"); fd.setFilterPath(null); final String[] filterExt = { "*.zip" }; fd.setFilterExtensions(filterExt); final String selected = fd.open(); if (selected != null) { IPath zippath = new Path(selected); if (zippath.getFileExtension() == null) { zippath = zippath.addFileExtension("zip"); } archiveText.setText(zippath.toString()); dbc.updateModels(); } } }); archiveRadio.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(final SelectionEvent e) { widgetSelected(e); } @Override public void widgetSelected(final SelectionEvent e) { final boolean selected = archiveRadio.getSelection(); archiveText.setEnabled(selected); archiveBrowse.setEnabled(selected); } }); final TabItem destinationtab = new TabItem(exportCustomization, SWT.NONE); destinationtab.setText("Destination"); destinationtab.setControl(destinationComposite); setControl(client); bind(dbc, availableProjectsViewer, directoryRadio, directoryText, archiveRadio, archiveText); } private void bind(final DataBindingContext dbc, final CheckboxTableViewer availableProjectsViewer, final Button directoryRadio, final Text directoryText, final Button archiveRadio, final Text archiveText) { // Data-Bindings // Setup databinding dbc.bindSet(ViewersObservables.observeCheckedElements(availableProjectsViewer, IProject.class), this.model.projectsToExport, null, null); dbc.bindValue(SWTObservables.observeSelection(directoryRadio), this.model.directoryExport, null, null); dbc.bindValue(SWTObservables.observeSelection(archiveRadio), this.model.archiveExport, null, null); dbc.bindValue(SWTObservables.observeText(directoryText, SWT.Modify), this.model.directoryDestination, new UpdateValueStrategy().setAfterConvertValidator(new IValidator() { @Override public IStatus validate(final Object value) { final String s = (String) value; if (!directoryRadio.getSelection()) { return ValidationStatus.ok(); } if ((s == null) || (s.length() == 0)) { return ValidationStatus.error("Enter an archive destination name."); } return ValidationStatus.ok(); } }), null); dbc.bindValue(SWTObservables.observeText(archiveText, SWT.Modify), this.model.archiveDestination, new UpdateValueStrategy().setAfterConvertValidator(new IValidator() { @Override public IStatus validate(final Object value) { final String s = (String) value; if (!archiveRadio.getSelection()) { return ValidationStatus.ok(); } if ((s == null) || (s.length() == 0)) { return ValidationStatus.error("Enter an archive destination name."); } return ValidationStatus.ok(); } }), null); } private IProject[] getScaProjects() { final List<IProject> availableProjects = new ArrayList<IProject>(); final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); for (final IProject proj : root.getProjects()) { try { if (proj.isOpen() && (proj.hasNature(ScaWaveformProjectNature.ID) || proj.hasNature(ScaNodeProjectNature.ID) || proj.hasNature(ScaComponentProjectNature.ID))) { availableProjects.add(proj); } } catch (final CoreException e) { RedhawkIDEUiPlugin.getDefault().getLog().log(new Status(IStatus.ERROR, RedhawkIDEUiPlugin.PLUGIN_ID, "Unexpected error loading projects", e)); } } return availableProjects.toArray(new IProject[availableProjects.size()]); } }