| /******************************************************************************* |
| * 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 v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * BMW Car IT - Initial API and implementation |
| * Technische Universitaet Muenchen - Major refactoring and extension |
| *******************************************************************************/ |
| package org.eclipse.emf.edapt.common.ui; |
| |
| import java.util.List; |
| |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.edit.provider.IItemPropertySource; |
| import org.eclipse.emf.edit.provider.ItemPropertyDescriptor; |
| import org.eclipse.emf.edit.ui.provider.PropertySource; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.ITableLabelProvider; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerSorter; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableColumn; |
| import org.eclipse.ui.views.properties.IPropertyDescriptor; |
| |
| /** |
| * A table viewer to display the properties of a metamodel element using the Ecore default item property source |
| * |
| * @author markus.herrmannsdoer |
| * |
| */ |
| public class PropertiesTableViewer extends AutoColumnSizeTableViewer { |
| |
| /** |
| * Property label for value column |
| */ |
| private static final String VALUE_COLUMN_PROPERTY = "Value"; //$NON-NLS-1$ |
| |
| /** |
| * Property label for name column |
| */ |
| private static final String NAME_COLUMN_PROPERTY = "Property"; //$NON-NLS-1$ |
| |
| /** |
| * Input metamodel element |
| */ |
| private EObject input; |
| |
| /** |
| * Adapter factory to access item property source |
| */ |
| private final AdapterFactory adapterFactory; |
| |
| /** |
| * Property source to access the properties |
| */ |
| private PropertySource propertySource; |
| |
| /** |
| * Property descriptors |
| */ |
| private IPropertyDescriptor[] propertyDescriptors; |
| |
| /** |
| * Constructor |
| * |
| * @param parent Parent composite |
| * @param style Viewer style |
| * @param adapterFactory |
| */ |
| public PropertiesTableViewer(Composite parent, int style, AdapterFactory adapterFactory) { |
| super(parent, style | SWT.FULL_SELECTION | SWT.BORDER); |
| |
| this.adapterFactory = adapterFactory; |
| |
| init(); |
| } |
| |
| /** |
| * Initialize the features of the viewer |
| * |
| */ |
| private void init() { |
| final Table propertiesTable = getTable(); |
| |
| // table columns |
| final TableColumn nameColumn = new TableColumn(propertiesTable, SWT.None); |
| nameColumn.setText(NAME_COLUMN_PROPERTY); |
| final TableColumn valueColumn = new TableColumn(propertiesTable, SWT.None); |
| valueColumn.setText(VALUE_COLUMN_PROPERTY); |
| |
| propertiesTable.setHeaderVisible(true); |
| propertiesTable.setLinesVisible(true); |
| |
| // content provider |
| setContentProvider(new IStructuredContentProvider() { |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| final PropertySource propertySource = (PropertySource) inputElement; |
| propertyDescriptors = propertySource.getPropertyDescriptors(); |
| return propertyDescriptors; |
| } |
| |
| @Override |
| public void dispose() { |
| // not required |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // not required |
| } |
| |
| }); |
| |
| // label provider |
| setLabelProvider(new ITableLabelProvider() { |
| |
| @Override |
| public Image getColumnImage(Object element, int columnIndex) { |
| final IPropertyDescriptor descriptor = (IPropertyDescriptor) element; |
| |
| switch (columnIndex) { |
| case 0: |
| return null; |
| case 1: { |
| Object value = propertySource.getPropertyValue(descriptor.getId()); |
| if (value instanceof ItemPropertyDescriptor.PropertyValueWrapper) { |
| final ItemPropertyDescriptor.PropertyValueWrapper wrapper = (ItemPropertyDescriptor.PropertyValueWrapper) value; |
| value = wrapper.getEditableValue(input); |
| if (value == null || value instanceof List && ((List) value).isEmpty()) { |
| return null; |
| } |
| } |
| return descriptor.getLabelProvider().getImage(value); |
| } |
| default: |
| return null; |
| } |
| } |
| |
| @Override |
| public String getColumnText(Object element, int columnIndex) { |
| final IPropertyDescriptor descriptor = (IPropertyDescriptor) element; |
| |
| switch (columnIndex) { |
| case 0: { |
| return descriptor.getDisplayName(); |
| } |
| case 1: { |
| final Object value = propertySource.getPropertyValue(descriptor.getId()); |
| return descriptor.getLabelProvider().getText(value); |
| } |
| default: |
| return ""; //$NON-NLS-1$ |
| } |
| } |
| |
| @Override |
| public void addListener(ILabelProviderListener listener) { |
| // not required |
| } |
| |
| @Override |
| public void dispose() { |
| // not required |
| } |
| |
| @Override |
| public boolean isLabelProperty(Object element, String property) { |
| return false; |
| } |
| |
| @Override |
| public void removeListener(ILabelProviderListener listener) { |
| // not required |
| } |
| |
| }); |
| |
| // sorter |
| setSorter(new ViewerSorter() { |
| @Override |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| final IPropertyDescriptor descriptor1 = (IPropertyDescriptor) e1; |
| final IPropertyDescriptor descriptor2 = (IPropertyDescriptor) e2; |
| |
| return descriptor1.getDisplayName().compareTo(descriptor2.getDisplayName()); |
| } |
| }); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void setSelection(ISelection selection, boolean reveal) { |
| if (selection instanceof IStructuredSelection) { |
| final IStructuredSelection structuredSelection = (IStructuredSelection) selection; |
| final Object firstElement = structuredSelection.getFirstElement(); |
| if (structuredSelection.size() == 1 && firstElement instanceof EStructuralFeature) { |
| final EStructuralFeature feature = (EStructuralFeature) firstElement; |
| for (final IPropertyDescriptor propertyDescriptor : propertyDescriptors) { |
| if (propertyDescriptor.getId().equals(feature.getName())) { |
| super.setSelection(new StructuredSelection(propertyDescriptor), true); |
| return; |
| } |
| } |
| } |
| } |
| super.setSelection(selection, reveal); |
| } |
| |
| /** |
| * Set the metamodel model element as input |
| * (This method should be used instead of setInput) |
| * |
| * @param input Input metamodel element |
| */ |
| public void setElement(EObject input) { |
| this.input = input; |
| if (input == null) { |
| setInput(null); |
| } |
| else { |
| final IItemPropertySource itemPropertySource = (IItemPropertySource) adapterFactory.adapt(input, |
| IItemPropertySource.class); |
| propertySource = new PropertySource(input, itemPropertySource); |
| setInput(propertySource); |
| } |
| } |
| } |