Java tutorial
/******************************************************************************* * Copyright (c) 2010-2012, Tamas Szabo, Zoltan Ujhelyi, Istvan Rath and Daniel Varro * 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: * Tamas Szabo, Zoltan Ujhelyi - initial API and implementation *******************************************************************************/ package org.eclipse.incquery.tooling.ui.wizards; import java.util.List; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.beans.PojoProperties; import org.eclipse.core.databinding.observable.value.IObservableValue; import org.eclipse.core.resources.IFile; import org.eclipse.emf.codegen.ecore.genmodel.GenModel; import org.eclipse.emf.codegen.ecore.genmodel.GenPackage; import org.eclipse.emf.common.ui.dialogs.WorkspaceResourceDialog; import org.eclipse.emf.common.util.URI; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.resource.Resource; import org.eclipse.emf.ecore.resource.ResourceSet; import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl; import org.eclipse.jface.databinding.swt.WidgetProperties; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.ITreeContentProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.TreeViewerColumn; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.layout.RowLayout; 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.swt.widgets.Tree; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.forms.widgets.Section; import com.google.common.collect.ImmutableList; import com.google.common.collect.Lists; public class NewEiqGenmodelPage extends WizardPage { // private DataBindingContext m_bindingContext; private final FormToolkit formToolkit = new FormToolkit(Display.getDefault()); private Tree referencedGenmodels; private TreeViewer genModelViewer; private Button btnInitializeGeneratorModel; private Button addGenmodel; private ResourceSet set; private List<GenModel> selectedGenmodels = Lists.newArrayList(); private boolean displayCreateComposite; /** * Create the wizard. */ public NewEiqGenmodelPage(boolean displayCreateComposite) { super("wizardPage"); this.displayCreateComposite = displayCreateComposite; setTitle("EMF-IncQuery Generator model"); setDescription("Set up a generator model used for code generation."); set = new ResourceSetImpl(); } /** * Create contents of the wizard. * * @param parent */ public void createControl(Composite parent) { Composite container = new Composite(parent, SWT.NULL); setControl(container); container.setLayout(new GridLayout(1, false)); if (displayCreateComposite) { Section sctnGenmodel = formToolkit.createSection(container, Section.EXPANDED | Section.TITLE_BAR); sctnGenmodel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); formToolkit.paintBordersFor(sctnGenmodel); sctnGenmodel.setText("Genmodel"); Composite composite = formToolkit.createComposite(sctnGenmodel, SWT.NONE); formToolkit.paintBordersFor(composite); sctnGenmodel.setClient(composite); composite.setLayout(new GridLayout(3, false)); new Label(composite, SWT.NONE); new Label(composite, SWT.NONE); btnInitializeGeneratorModel = formToolkit.createButton(composite, "Initialize Generator Model", SWT.CHECK); new Label(composite, SWT.NONE); formToolkit.createLabel(composite, "Filename", SWT.NONE); formToolkit.createLabel(composite, "generator.eiqgen", SWT.NONE); } Section sctnReferencedEmfGenerator = formToolkit.createSection(container, Section.EXPANDED | Section.TITLE_BAR); sctnReferencedEmfGenerator.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); formToolkit.paintBordersFor(sctnReferencedEmfGenerator); sctnReferencedEmfGenerator.setText("Referenced EMF Generator models"); referencedGenmodels = formToolkit.createTree(sctnReferencedEmfGenerator, SWT.NONE); referencedGenmodels.setEnabled(false); formToolkit.paintBordersFor(referencedGenmodels); sctnReferencedEmfGenerator.setClient(referencedGenmodels); referencedGenmodels.setHeaderVisible(true); referencedGenmodels.setLinesVisible(true); genModelViewer = new TreeViewer(referencedGenmodels); genModelViewer.setContentProvider(new ITreeContentProvider() { List<GenModel> genmodels; @SuppressWarnings("unchecked") @Override public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { if (newInput instanceof List<?>) { genmodels = (List<GenModel>) newInput; } } @Override public void dispose() { } @Override public boolean hasChildren(Object element) { return element instanceof GenModel && !((GenModel) element).getGenPackages().isEmpty(); } @Override public Object getParent(Object element) { if (element instanceof GenPackage) { return ((GenPackage) element).getGenModel(); } return null; } @Override public Object[] getElements(Object inputElement) { return genmodels.toArray(new GenModel[genmodels.size()]); } @Override public Object[] getChildren(Object parentElement) { if (parentElement instanceof GenModel) { List<GenPackage> packages = ((GenModel) parentElement).getGenPackages(); return packages.toArray(new GenPackage[packages.size()]); } return null; } }); genModelViewer.setLabelProvider(new LabelProvider() { }); TreeViewerColumn resourcePathColumn = new TreeViewerColumn(genModelViewer, SWT.LEFT); resourcePathColumn.setLabelProvider(new ColumnLabelProvider() { @Override public String getText(Object element) { if (element instanceof GenModel) { return ((GenModel) element).eResource().getURI().toPlatformString(true); } else if (element instanceof GenPackage) { return ((GenPackage) element).getNSURI(); } return super.getText(element); } }); TreeViewerColumn packageURIColumn = new TreeViewerColumn(genModelViewer, SWT.LEFT); packageURIColumn.setLabelProvider(new ColumnLabelProvider() { @Override public String getText(Object element) { if (element instanceof GenModel) { return String.format("Plug-in dependency: %s", ((GenModel) element).getModelPluginID()); } else if (element instanceof GenPackage) { return ""; } return super.getText(element); } }); TableLayout tableLayout = new TableLayout(); tableLayout.addColumnData(new ColumnWeightData(50, true)); tableLayout.addColumnData(new ColumnWeightData(50, true)); referencedGenmodels.setLayout(tableLayout); genModelViewer.setInput(selectedGenmodels); Composite composite_1 = formToolkit.createComposite(sctnReferencedEmfGenerator, SWT.NONE); formToolkit.paintBordersFor(composite_1); sctnReferencedEmfGenerator.setTextClient(composite_1); composite_1.setLayout(new RowLayout(SWT.HORIZONTAL)); addGenmodel = formToolkit.createButton(composite_1, "Add", SWT.NONE); addGenmodel.setEnabled(false); addGenmodel.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { selectGenmodelFromWorkspace(); } }); if (displayCreateComposite) { /* m_bindingContext = */initDataBindings(); } } protected DataBindingContext initDataBindings() { DataBindingContext bindingContext = new DataBindingContext(); // IObservableValue observeSelectionBtnInitializeGeneratorModelObserveWidget = WidgetProperties.selection() .observe(btnInitializeGeneratorModel); IObservableValue enabledReferencedGenmodelsObserveValue = PojoProperties.value("enabled") .observe(referencedGenmodels); bindingContext.bindValue(observeSelectionBtnInitializeGeneratorModelObserveWidget, enabledReferencedGenmodelsObserveValue, null, null); // IObservableValue observeEnabledAddGenmodelObserveWidget = WidgetProperties.enabled().observe(addGenmodel); IObservableValue observeSelectionBtnInitializeGeneratorModelObserveWidget_1 = WidgetProperties.selection() .observe(btnInitializeGeneratorModel); bindingContext.bindValue(observeEnabledAddGenmodelObserveWidget, observeSelectionBtnInitializeGeneratorModelObserveWidget_1, null, null); // return bindingContext; } @Override public void setVisible(boolean visible) { if (visible) { if (displayCreateComposite) { btnInitializeGeneratorModel.setSelection(true); } addGenmodel.setEnabled(true); referencedGenmodels.setEnabled(true); } super.setVisible(visible); } public void selectGenmodelFromWorkspace() { ViewerFilter genmodelFileFilter = new ViewerFilter() { @Override public boolean select(Viewer viewer, Object parentElement, Object element) { if (element instanceof IFile) { return "genmodel".equals(((IFile) element).getFileExtension()); } return true; } }; IFile[] files = WorkspaceResourceDialog.openFileSelection(getShell(), "Select EMF Generator model", "Select EMF generator model(s) to add to the initialized EMF-IncQuery generator model", true, null, ImmutableList.of(genmodelFileFilter)); for (IFile file : files) { URI uri = URI.createPlatformResourceURI(file.getFullPath().toString(), true); Resource res = set.getResource(uri, true); for (EObject obj : res.getContents()) { if (obj instanceof GenModel) { selectedGenmodels.add((GenModel) obj); } } genModelViewer.refresh(); } } public List<GenModel> getSelectedGenmodels() { return selectedGenmodels; } public boolean isCreateGenmodelChecked() { return !displayCreateComposite || btnInitializeGeneratorModel.getSelection(); } }