| /******************************************************************************* |
| * Copyright (c) 2011-2014 EclipseSource Muenchen GmbH 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: |
| * Johannes Faltermeier - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.emf.ecp.view.internal.editor.controls; |
| |
| import java.net.URL; |
| |
| import javax.inject.Inject; |
| |
| import org.eclipse.core.databinding.Binding; |
| import org.eclipse.core.databinding.UpdateValueStrategy; |
| import org.eclipse.core.databinding.observable.IObserving; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.property.value.IValueProperty; |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EReference; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.ecp.edit.spi.swt.reference.DeleteReferenceAction; |
| import org.eclipse.emf.ecp.edit.spi.swt.reference.NewReferenceAction; |
| import org.eclipse.emf.ecp.edit.spi.util.ECPModelElementChangeListener; |
| import org.eclipse.emf.ecp.view.spi.context.ViewModelContext; |
| import org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer; |
| import org.eclipse.emf.ecp.view.spi.model.VControl; |
| import org.eclipse.emf.ecp.view.spi.model.VView; |
| import org.eclipse.emf.ecp.view.spi.model.VViewFactory; |
| import org.eclipse.emf.ecp.view.spi.table.model.VTableControl; |
| import org.eclipse.emf.ecp.view.spi.table.model.VTableDomainModelReference; |
| import org.eclipse.emf.ecp.view.template.model.VTViewTemplateProvider; |
| import org.eclipse.emf.edit.command.SetCommand; |
| import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator; |
| import org.eclipse.emf.edit.provider.ComposedAdapterFactory; |
| import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory; |
| import org.eclipse.emfforms.spi.common.report.ReportService; |
| import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException; |
| import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport; |
| import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding; |
| import org.eclipse.emfforms.spi.core.services.editsupport.EMFFormsEditSupport; |
| import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.databinding.swt.typed.WidgetProperties; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.layout.GridDataFactory; |
| import org.eclipse.jface.layout.GridLayoutFactory; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Label; |
| |
| /** |
| * @author jfaltermeier |
| * |
| */ |
| public class TableDetailViewControlSWTRenderer extends SimpleControlSWTControlSWTRenderer { |
| |
| /** |
| * @author Jonas |
| * |
| */ |
| private final class CreateNewElementHandler implements SelectionListener { |
| private final EObject eObject; |
| private final EStructuralFeature structuralFeature; |
| |
| /** |
| * @param eObject |
| * @param structuralFeature |
| */ |
| private CreateNewElementHandler(EObject eObject, EStructuralFeature structuralFeature) { |
| this.eObject = eObject; |
| this.structuralFeature = structuralFeature; |
| } |
| |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| final VView detailView = VViewFactory.eINSTANCE.createView(); |
| final VTableControl tableControl = (VTableControl) eObject; |
| if (tableControl.getDomainModelReference() == null) { |
| MessageDialog.openInformation(Display.getDefault().getActiveShell(), |
| "Set Domain Model Reference", "Please set a Domain Model Reference first."); //$NON-NLS-1$ //$NON-NLS-2$ |
| return; |
| } |
| final VTableDomainModelReference domainModelReference = (VTableDomainModelReference) tableControl |
| .getDomainModelReference(); |
| EReference ref = null; |
| if (domainModelReference.getDomainModelReference() == null) { |
| ref = (EReference) domainModelReference.getDomainModelEFeature(); |
| } else { |
| IValueProperty valueProperty; |
| try { |
| valueProperty = getEMFFormsDatabinding() |
| .getValueProperty(domainModelReference, getViewModelContext().getDomainModel()); |
| } catch (final DatabindingFailedException ex) { |
| getReportService().report(new DatabindingFailedReport(ex)); |
| return; |
| } |
| final EStructuralFeature feature = (EStructuralFeature) valueProperty.getValueType(); |
| if (EReference.class.isInstance(feature)) { |
| ref = EReference.class.cast(feature); |
| } |
| } |
| |
| if (ref == null) { |
| MessageDialog.openInformation(Display.getDefault().getActiveShell(), |
| "Set Domain Model Reference", "Please set a Domain Model Reference first."); //$NON-NLS-1$ //$NON-NLS-2$ |
| return; |
| } |
| detailView.setRootEClass(ref.getEReferenceType()); |
| final Command setCommand = SetCommand.create(getEditingDomain(eObject), eObject, |
| structuralFeature, detailView); |
| getEditingDomain(eObject).getCommandStack().execute(setCommand); |
| } |
| |
| @Override |
| public void widgetDefaultSelected(SelectionEvent e) { |
| } |
| } |
| |
| private final EMFFormsEditSupport emfFormsEditSupport; |
| |
| /** |
| * Default constructor. |
| * |
| * @param vElement the view model element to be rendered |
| * @param viewContext the view context |
| * @param reportService The {@link ReportService} |
| * @param emfFormsDatabinding The {@link EMFFormsDatabinding} |
| * @param emfFormsLabelProvider The {@link EMFFormsLabelProvider} |
| * @param vtViewTemplateProvider The {@link VTViewTemplateProvider} |
| * @param emfFormsEditSupport The {@link EMFFormsEditSupport} |
| */ |
| @Inject |
| public TableDetailViewControlSWTRenderer(VControl vElement, ViewModelContext viewContext, |
| ReportService reportService, |
| EMFFormsDatabinding emfFormsDatabinding, EMFFormsLabelProvider emfFormsLabelProvider, |
| VTViewTemplateProvider vtViewTemplateProvider, EMFFormsEditSupport emfFormsEditSupport) { |
| super(vElement, viewContext, reportService, emfFormsDatabinding, emfFormsLabelProvider, vtViewTemplateProvider); |
| this.emfFormsEditSupport = emfFormsEditSupport; |
| } |
| |
| private ComposedAdapterFactory composedAdapterFactory; |
| private AdapterFactoryItemDelegator adapterFactoryItemDelegator; |
| private Label label; |
| private Label imageLabel; |
| private ECPModelElementChangeListener modelElementChangeListener; |
| private Composite labelComposite; |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer#createBindings(org.eclipse.swt.widgets.Control, |
| * org.eclipse.emf.ecore.EStructuralFeature.Setting) |
| */ |
| @Override |
| protected Binding[] createBindings(Control control) throws DatabindingFailedException { |
| final Binding[] bindings = new Binding[3]; |
| final IObservableValue value = WidgetProperties.text().observe(label); |
| |
| bindings[0] = getDataBindingContext().bindValue(value, getModelValue(), |
| withPreSetValidation(new UpdateValueStrategy() { |
| |
| @Override |
| public Object convert(Object value) { |
| try { |
| return getModelValue().getValue(); |
| } catch (final DatabindingFailedException ex) { |
| getReportService().report(new DatabindingFailedReport(ex)); |
| return null; |
| } |
| } |
| }), new UpdateValueStrategy() { |
| @Override |
| public Object convert(Object value) { |
| return getText(value); |
| } |
| }); |
| |
| final IObservableValue tooltipValue = WidgetProperties.tooltipText().observe(label); |
| bindings[1] = getDataBindingContext().bindValue(tooltipValue, getModelValue(), |
| withPreSetValidation(new UpdateValueStrategy() { |
| |
| @Override |
| public Object convert(Object value) { |
| try { |
| return getModelValue().getValue(); |
| } catch (final DatabindingFailedException ex) { |
| getReportService().report(new DatabindingFailedReport(ex)); |
| return null; |
| } |
| } |
| }), new UpdateValueStrategy() { |
| @Override |
| public Object convert(Object value) { |
| return getText(value); |
| } |
| }); |
| |
| final IObservableValue imageValue = WidgetProperties.image().observe(imageLabel); |
| bindings[2] = getDataBindingContext().bindValue(imageValue, getModelValue(), |
| withPreSetValidation(new UpdateValueStrategy() { |
| |
| @Override |
| public Object convert(Object value) { |
| try { |
| return getModelValue().getValue(); |
| } catch (final DatabindingFailedException ex) { |
| getReportService().report(new DatabindingFailedReport(ex)); |
| return null; |
| } |
| } |
| }), new UpdateValueStrategy() { |
| @Override |
| public Object convert(Object value) { |
| return getImage(value); |
| } |
| }); |
| |
| return bindings; |
| } |
| |
| private Object getText(Object value) { |
| final String textName = adapterFactoryItemDelegator.getText(value); |
| return textName == null ? "" : textName; //$NON-NLS-1$ |
| } |
| |
| private Object getImage(Object value) { |
| if (value == null) { |
| return null; |
| } |
| return Activator.getImage((URL) adapterFactoryItemDelegator.getImage(value)); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer#createSWTControl(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| protected Control createSWTControl(Composite parent) throws DatabindingFailedException { |
| final IObservableValue observableValue = getEMFFormsDatabinding() |
| .getObservableValue(getVElement().getDomainModelReference(), getViewModelContext().getDomainModel()); |
| final EStructuralFeature structuralFeature = (EStructuralFeature) observableValue.getValueType(); |
| final EObject eObject = (EObject) ((IObserving) observableValue).getObserved(); |
| observableValue.dispose(); |
| |
| /* parent composite */ |
| final Composite composite = new Composite(parent, SWT.NONE); |
| composite.setBackground(parent.getBackground()); |
| GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(false).spacing(0, 0).applyTo(composite); |
| |
| /* label composite */ |
| labelComposite = new Composite(composite, SWT.NONE); |
| GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.BEGINNING).applyTo(labelComposite); |
| GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(false).applyTo(labelComposite); |
| labelComposite.setBackground(composite.getBackground()); |
| |
| /* image */ |
| imageLabel = new Label(labelComposite, SWT.NONE); |
| imageLabel.setBackground(labelComposite.getBackground()); |
| GridDataFactory.fillDefaults().grab(false, false).align(SWT.FILL, SWT.BEGINNING).hint(20, 20) |
| .applyTo(imageLabel); |
| |
| /* text */ |
| label = new Label(labelComposite, SWT.NONE); |
| label.setBackground(labelComposite.getBackground()); |
| GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.BEGINNING).applyTo(label); |
| |
| /* button bar */ |
| final Composite buttonComposite = new Composite(composite, SWT.NONE); |
| GridDataFactory.fillDefaults().grab(false, false).align(SWT.FILL, SWT.BEGINNING).applyTo(buttonComposite); |
| GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(false).spacing(2, 0).applyTo(buttonComposite); |
| |
| /* delete button */ |
| final Button deleteButton = createButtonForAction(new DeleteReferenceAction(getEditingDomain(eObject), eObject, |
| structuralFeature, null), buttonComposite); |
| deleteButton.addSelectionListener(new SelectionListener() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| final Command setCommand = SetCommand.create(getEditingDomain(eObject), eObject, structuralFeature, |
| null); |
| getEditingDomain(eObject).getCommandStack().execute(setCommand); |
| } |
| |
| @Override |
| public void widgetDefaultSelected(SelectionEvent e) { |
| } |
| }); |
| |
| /* create button */ |
| final Button createButton = createButtonForAction(new NewReferenceAction(getEditingDomain(eObject), eObject, |
| structuralFeature, emfFormsEditSupport, getEMFFormsLabelProvider(), null, getReportService(), getVElement() |
| .getDomainModelReference(), |
| getViewModelContext().getDomainModel()), buttonComposite); |
| createButton.addSelectionListener(new CreateNewElementHandler(eObject, structuralFeature)); |
| |
| /* init */ |
| composedAdapterFactory = new ComposedAdapterFactory(new AdapterFactory[] { |
| new ReflectiveItemProviderAdapterFactory(), |
| new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE) }); |
| adapterFactoryItemDelegator = new AdapterFactoryItemDelegator(composedAdapterFactory); |
| |
| return composite; |
| } |
| |
| private Button createButtonForAction(final Action action, final Composite composite) { |
| final Button selectButton = new Button(composite, SWT.PUSH); |
| selectButton.setImage(Activator.getImage(action)); |
| selectButton.setEnabled(true); |
| selectButton.setToolTipText(action.getToolTipText()); |
| return selectButton; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTRenderer#dispose() |
| */ |
| @Override |
| protected void dispose() { |
| composedAdapterFactory.dispose(); |
| composedAdapterFactory = null; |
| adapterFactoryItemDelegator = null; |
| if (modelElementChangeListener != null) { |
| modelElementChangeListener.remove(); |
| } |
| super.dispose(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTRenderer#getUnsetText() |
| */ |
| @Override |
| protected String getUnsetText() { |
| return ""; //$NON-NLS-1$ |
| } |
| |
| } |
