| /******************************************************************************* |
| * Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * BMW Car IT - Initial API and implementation |
| * Technische Universitaet Muenchen - Major refactoring and extension |
| *******************************************************************************/ |
| package org.eclipse.emf.edapt.migration.ui; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EReference; |
| import org.eclipse.emf.ecore.provider.EcoreItemProviderAdapterFactory; |
| import org.eclipse.emf.edapt.common.ui.ModelSash; |
| import org.eclipse.emf.edapt.common.ui.ResizeableDialogBase; |
| import org.eclipse.emf.edapt.common.ui.SelectionUtils; |
| import org.eclipse.emf.edapt.common.ui.StructureTreeViewer; |
| import org.eclipse.emf.edapt.spi.migration.Instance; |
| import org.eclipse.emf.edapt.spi.migration.Model; |
| import org.eclipse.emf.edapt.spi.migration.Repository; |
| import org.eclipse.emf.edit.command.CommandParameter; |
| import org.eclipse.emf.edit.provider.ComposedAdapterFactory; |
| import org.eclipse.emf.edit.provider.IEditingDomainItemProvider; |
| import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.IMenuListener; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.IDoubleClickListener; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.SashForm; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Menu; |
| |
| /** |
| * Dialog to choose an element from a set of elements |
| * |
| * @author herrmama |
| * @author $Author$ |
| * @version $Rev$ |
| * @levd.rating RED Rev: |
| */ |
| public class ChoiceDialog extends ResizeableDialogBase { |
| |
| /** |
| * Choices |
| */ |
| private final List<?> choices; |
| |
| /** |
| * Context instance |
| */ |
| private final Instance instance; |
| |
| /** |
| * Viewer displaying the model |
| */ |
| private StructureTreeViewer modelViewer; |
| |
| /** |
| * Viewer displaying the selection |
| */ |
| private TableViewer choiceViewer; |
| |
| /** |
| * Selected element |
| */ |
| private Object selectedElement; |
| |
| /** |
| * Adapter factory |
| */ |
| private ComposedAdapterFactory adapterFactory; |
| |
| /** |
| * Constructor |
| * |
| * @param instance |
| * @param choices |
| * @param message |
| */ |
| public ChoiceDialog(Instance instance, List<?> choices, String message) { |
| super(new Point(800, 600), "Choice", message); //$NON-NLS-1$ |
| |
| this.instance = instance; |
| this.choices = choices; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected Control createDialogArea(Composite parent) { |
| parent = (Composite) super.createDialogArea(parent); |
| |
| final ComposedAdapterFactory adapterFactory = new ComposedAdapterFactory(); |
| adapterFactory.addAdapterFactory(new EcoreItemProviderAdapterFactory()); |
| adapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory()); |
| this.adapterFactory = adapterFactory; |
| |
| final SashForm sash = new SashForm(parent, SWT.HORIZONTAL); |
| sash.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| |
| createModelViewer(sash); |
| createChoiceViewer(sash); |
| |
| sash.setWeights(new int[] { 1, 1 }); |
| |
| return parent; |
| } |
| |
| /** |
| * Create the viewer displaying the model |
| * |
| * @param sash |
| */ |
| private void createModelViewer(SashForm sash) { |
| |
| final ModelSash modelSash = new MigrationModelSash(sash, SWT.None, adapterFactory); |
| modelViewer = modelSash.getStructureViewer(); |
| final Repository repository = instance.getType().getModel().getRepository(); |
| modelViewer.setInput(repository); |
| modelViewer.setSelection(new StructuredSelection(instance), true); |
| |
| createContextMenu(); |
| } |
| |
| /** |
| * Create context menu for model viewer |
| */ |
| private void createContextMenu() { |
| final MenuManager menuManager = new MenuManager(); |
| menuManager.setRemoveAllWhenShown(true); |
| menuManager.addMenuListener(new IMenuListener() { |
| |
| @Override |
| public void menuAboutToShow(IMenuManager manager) { |
| final IStructuredSelection selection = (IStructuredSelection) modelViewer.getSelection(); |
| if (selection.size() == 1) { |
| final Object element = selection.getFirstElement(); |
| if (element instanceof Instance) { |
| final Instance instance = (Instance) element; |
| |
| final IEditingDomainItemProvider provider = (IEditingDomainItemProvider) adapterFactory.adapt( |
| instance, IEditingDomainItemProvider.class); |
| final Collection<?> descriptors = provider.getNewChildDescriptors(instance, null, null); |
| |
| for (final Object descriptor : descriptors) { |
| if (descriptor instanceof CommandParameter) { |
| final CommandParameter parameter = (CommandParameter) descriptor; |
| final EReference reference = parameter.getEReference(); |
| final EClass type = parameter.getEValue().eClass(); |
| |
| manager.add(new Action("Create " + reference.getName() + ":" + type.getName()) { //$NON-NLS-1$ //$NON-NLS-2$ |
| @Override |
| public void run() { |
| final Model model = instance.getType().getModel(); |
| final Instance child = model.newInstance(type); |
| instance.add(reference, child); |
| modelViewer.refresh(instance); |
| } |
| }); |
| } |
| } |
| } |
| } |
| } |
| |
| }); |
| |
| final Menu menu = menuManager.createContextMenu(modelViewer.getControl()); |
| modelViewer.getControl().setMenu(menu); |
| } |
| |
| /** |
| * Initialize the viewer displaying the choices |
| * |
| * @param sash |
| */ |
| private void createChoiceViewer(SashForm sash) { |
| |
| choiceViewer = new TableViewer(sash, SWT.BORDER); |
| choiceViewer.setContentProvider(new IStructuredContentProvider() { |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| return choices.toArray(); |
| } |
| |
| @Override |
| public void dispose() { |
| // not required |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // not required |
| } |
| |
| }); |
| |
| final ILabelProvider labelProvider = new AdapterFactoryLabelProvider(adapterFactory); |
| choiceViewer.setLabelProvider(labelProvider); |
| |
| choiceViewer.addDoubleClickListener(new IDoubleClickListener() { |
| |
| @Override |
| public void doubleClick(DoubleClickEvent event) { |
| final Object element = SelectionUtils.getSelectedElement(event |
| .getSelection(), Object.class); |
| modelViewer.setSelection(new StructuredSelection(element)); |
| } |
| |
| }); |
| |
| choiceViewer.setInput(choices); |
| choiceViewer.setSelection(new StructuredSelection(choiceViewer.getElementAt(0))); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void okPressed() { |
| selectedElement = SelectionUtils.getSelectedElement(choiceViewer |
| .getSelection(), Object.class); |
| super.okPressed(); |
| } |
| |
| /** Returns selected. */ |
| public Object getSelectedElement() { |
| return selectedElement; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void createButtonsForButtonBar(Composite parent) { |
| createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean close() { |
| adapterFactory.dispose(); |
| return super.close(); |
| } |
| } |