| /******************************************************************************* |
| * 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.spi.history.provider; |
| |
| import java.text.DateFormat; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Date; |
| import java.util.List; |
| |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.util.ResourceLocator; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.edapt.history.provider.util.RestrictingDragAndDropCommand; |
| import org.eclipse.emf.edapt.spi.history.Change; |
| import org.eclipse.emf.edapt.spi.history.CompositeChange; |
| import org.eclipse.emf.edapt.spi.history.Create; |
| import org.eclipse.emf.edapt.spi.history.HistoryPackage; |
| import org.eclipse.emf.edapt.spi.history.OperationChange; |
| import org.eclipse.emf.edapt.spi.history.Release; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| import org.eclipse.emf.edit.provider.ComposeableAdapterFactory; |
| import org.eclipse.emf.edit.provider.IEditingDomainItemProvider; |
| import org.eclipse.emf.edit.provider.IItemLabelProvider; |
| import org.eclipse.emf.edit.provider.IItemPropertyDescriptor; |
| import org.eclipse.emf.edit.provider.IItemPropertySource; |
| import org.eclipse.emf.edit.provider.IStructuredItemContentProvider; |
| import org.eclipse.emf.edit.provider.ITreeItemContentProvider; |
| import org.eclipse.emf.edit.provider.ItemPropertyDescriptor; |
| import org.eclipse.emf.edit.provider.ItemProviderAdapter; |
| import org.eclipse.emf.edit.provider.ViewerNotification; |
| |
| /** |
| * This is the item provider adapter for a {@link org.eclipse.emf.edapt.spi.history.Release} object. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public class ReleaseItemProvider |
| extends ItemProviderAdapter |
| implements |
| IEditingDomainItemProvider, |
| IStructuredItemContentProvider, |
| ITreeItemContentProvider, |
| IItemLabelProvider, |
| IItemPropertySource { |
| /** |
| * This constructs an instance from a factory and a notifier. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public ReleaseItemProvider(AdapterFactory adapterFactory) { |
| super(adapterFactory); |
| } |
| |
| /** |
| * This returns the property descriptors for the adapted class. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) { |
| if (itemPropertyDescriptors == null) { |
| super.getPropertyDescriptors(object); |
| |
| addDatePropertyDescriptor(object); |
| addLabelPropertyDescriptor(object); |
| } |
| return itemPropertyDescriptors; |
| } |
| |
| /** |
| * This adds a property descriptor for the Date feature. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| protected void addDatePropertyDescriptor(Object object) { |
| itemPropertyDescriptors |
| .add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), |
| getResourceLocator(), |
| getString("_UI_Release_date_feature"), //$NON-NLS-1$ |
| getString("_UI_PropertyDescriptor_description", "_UI_Release_date_feature", "_UI_Release_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| HistoryPackage.Literals.RELEASE__DATE, |
| true, |
| false, |
| false, |
| ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, |
| null, |
| null)); |
| } |
| |
| /** |
| * This adds a property descriptor for the Label feature. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| protected void addLabelPropertyDescriptor(Object object) { |
| itemPropertyDescriptors |
| .add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), |
| getResourceLocator(), |
| getString("_UI_Release_label_feature"), //$NON-NLS-1$ |
| getString("_UI_PropertyDescriptor_description", "_UI_Release_label_feature", "_UI_Release_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| HistoryPackage.Literals.RELEASE__LABEL, |
| true, |
| false, |
| false, |
| ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, |
| null, |
| null)); |
| } |
| |
| /** |
| * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an |
| * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or |
| * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) { |
| if (childrenFeatures == null) { |
| super.getChildrenFeatures(object); |
| childrenFeatures.add(HistoryPackage.Literals.RELEASE__CHANGES); |
| } |
| return childrenFeatures; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| protected EStructuralFeature getChildFeature(Object object, Object child) { |
| // Check the type of the specified child object and return the proper feature to use for |
| // adding (see {@link AddCommand}) it as a child. |
| |
| return super.getChildFeature(object, child); |
| } |
| |
| private boolean shouldBeReleased(Release release) { |
| if (release == null) { |
| return false; |
| } |
| final Date date = release.getDate(); |
| if (date != null) { |
| return false; |
| } |
| return checkForPotentialBreakingChanges(release.getChanges()); |
| } |
| |
| private boolean checkForPotentialBreakingChanges(List<Change> changes) { |
| for (final Change change : changes) { |
| if (OperationChange.class.isInstance(change)) { |
| if (OperationChange.class.cast(change).getOperation().getOperation().isBreaking()) { |
| return true; |
| } |
| } else if (CompositeChange.class.isInstance(change)) { |
| if (checkForPotentialBreakingChanges( |
| new ArrayList<Change>(CompositeChange.class.cast(change).getChanges()))) { |
| return true; |
| } |
| } else if (Create.class.isInstance(change)) { |
| continue; |
| } else { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * This returns Release.gif. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated NOT |
| */ |
| @Override |
| public Object getImage(Object object) { |
| if (shouldBeReleased((Release) object)) { |
| return overlayImage(object, getResourceLocator().getImage("full/obj16/ReleaseBreaking")); //$NON-NLS-1$ |
| } |
| return overlayImage(object, getResourceLocator().getImage("full/obj16/Release")); //$NON-NLS-1$ |
| } |
| |
| /** |
| * This returns the label text for the adapted class. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated NOT |
| */ |
| @Override |
| public String getText(Object object) { |
| final Release element = (Release) object; |
| final DateFormat formatter = DateFormat.getDateTimeInstance(); |
| final Date date = element.getDate(); |
| final String dateSegment = " (" //$NON-NLS-1$ |
| + (date != null ? formatter.format(date) : "not yet released") //$NON-NLS-1$ |
| + (shouldBeReleased(element) ? " and potentially contains breaking changes" : "") //$NON-NLS-1$//$NON-NLS-2$ |
| + ")"; //$NON-NLS-1$ |
| final String labelSegment = element.getLabel() != null ? " " + element //$NON-NLS-1$ |
| .getLabel() : ""; //$NON-NLS-1$ |
| return HistoryEditPlugin.INSTANCE.getString("_UI_Release_type") //$NON-NLS-1$ |
| + labelSegment + dateSegment; |
| } |
| |
| /** |
| * This handles model notifications by calling {@link #updateChildren} to update any cached |
| * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated NOT |
| */ |
| @Override |
| public void notifyChanged(Notification notification) { |
| updateChildren(notification); |
| |
| switch (notification.getFeatureID(Release.class)) { |
| case HistoryPackage.RELEASE__DATE: |
| case HistoryPackage.RELEASE__LABEL: |
| fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true)); |
| return; |
| case HistoryPackage.RELEASE__CHANGES: |
| fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, true)); |
| return; |
| } |
| super.notifyChanged(notification); |
| } |
| |
| /** |
| * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children |
| * that can be created under this object. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) { |
| super.collectNewChildDescriptors(newChildDescriptors, object); |
| } |
| |
| /** |
| * Return the resource locator for this item provider's resources. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public ResourceLocator getResourceLocator() { |
| return HistoryEditPlugin.INSTANCE; |
| } |
| |
| @Override |
| protected Command createDragAndDropCommand(EditingDomain domain, |
| Object owner, float location, int operations, int operation, |
| Collection<?> collection) { |
| return new RestrictingDragAndDropCommand(domain, owner, location, |
| operations, operation, collection) { |
| @Override |
| protected boolean prepareDropCopyOn() { |
| return false; |
| } |
| |
| @Override |
| protected boolean prepareDropCopyInsert(Object parent, |
| Collection<?> children, int index) { |
| return false; |
| } |
| }; |
| } |
| } |
