/******************************************************************************* | |
* Copyright (c) 2011, 2013 Formal Mind GmbH and University of Dusseldorf. | |
* 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: | |
* Michael Jastram - initial API and implementation | |
******************************************************************************/ | |
package org.eclipse.rmf.reqif10.pror.provider; | |
import java.util.Collection; | |
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.TreeIterator; | |
import org.eclipse.emf.ecore.EObject; | |
import org.eclipse.emf.ecore.EStructuralFeature; | |
import org.eclipse.emf.ecore.InternalEObject; | |
import org.eclipse.emf.ecore.impl.ENotificationImpl; | |
import org.eclipse.emf.ecore.util.EcoreUtil; | |
import org.eclipse.emf.edit.command.DragAndDropFeedback; | |
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.ItemPropertyDescriptorDecorator; | |
import org.eclipse.emf.edit.provider.ViewerNotification; | |
import org.eclipse.rmf.reqif10.ReqIF; | |
import org.eclipse.rmf.reqif10.ReqIF10Package; | |
import org.eclipse.rmf.reqif10.ReqIFContent; | |
import org.eclipse.rmf.reqif10.SpecHierarchy; | |
import org.eclipse.rmf.reqif10.SpecObject; | |
import org.eclipse.rmf.reqif10.common.util.ReqIF10Util; | |
import org.eclipse.rmf.reqif10.pror.util.ProrUtil; | |
import org.eclipse.rmf.reqif10.util.ReqIF10Switch; | |
/** | |
* This is the item provider adapter for a {@link org.eclipse.rmf.reqif10.SpecObject} object. | |
* <!-- begin-user-doc --> | |
* <!-- end-user-doc --> | |
* @generated | |
*/ | |
public class SpecObjectItemProvider | |
extends SpecElementWithAttributesItemProvider | |
implements | |
IEditingDomainItemProvider, | |
IStructuredItemContentProvider, | |
ITreeItemContentProvider, | |
IItemLabelProvider, | |
IItemPropertySource { | |
/** | |
* This constructs an instance from a factory and a notifier. | |
* <!-- begin-user-doc --> | |
* <!-- end-user-doc --> | |
* @generated | |
*/ | |
public SpecObjectItemProvider(AdapterFactory adapterFactory) { | |
super(adapterFactory); | |
} | |
/** | |
* This returns the property descriptors for the adapted class. | |
* <!-- begin-user-doc --> | |
* Always call super.getPropertyDescriptors(object) to prevent caching of properties. | |
* <!-- end-user-doc --> | |
* @generated NOT | |
*/ | |
@Override | |
public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) { | |
super.getPropertyDescriptors(object, "Spec Object"); | |
addTypePropertyDescriptor(object); | |
return itemPropertyDescriptors; | |
} | |
/** | |
* This adds a property descriptor for the Type feature. | |
* <!-- begin-user-doc --> | |
* We decorate the property to associate it with its object. | |
* <!-- end-user-doc --> | |
* @generated NOT | |
*/ | |
protected void addTypePropertyDescriptor(Object object) { | |
ItemPropertyDescriptor descriptor = createItemPropertyDescriptor | |
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), | |
getResourceLocator(), | |
getString("_UI_SpecObject_type_feature"), | |
getString("_UI_PropertyDescriptor_description", "_UI_SpecObject_type_feature", "_UI_SpecObject_type"), | |
ReqIF10Package.Literals.SPEC_OBJECT__TYPE, | |
true, | |
false, | |
true, | |
null, | |
getString("_UI_SpecObjectPropertyCategory"), | |
null); | |
itemPropertyDescriptors.add | |
(new ItemPropertyDescriptorDecorator(object, descriptor)); | |
} | |
/** | |
* <!-- begin-user-doc --> | |
* <!-- end-user-doc --> | |
* @generated | |
*/ | |
@Override | |
protected boolean shouldComposeCreationImage() { | |
return true; | |
} | |
@Override | |
public Object getImage(Object object) { | |
return overlayImage(object, getResourceLocator().getImage("full/obj16/SpecObject.png")); | |
} | |
/** | |
* This returns the label text for the adapted class. | |
* <!-- begin-user-doc --> | |
* Generalized label handling in {@link SpecElementWithAttributesItemProvider} | |
* <!-- end-user-doc --> | |
* @generated NOT | |
*/ | |
@Override | |
public String getText(Object object) { | |
return super.getText(object); | |
} | |
/** | |
* 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 --> | |
* React to changes in the type. Also informs all SpecHierarchies that refer to this object. | |
* <!-- end-user-doc --> | |
* @generated NOT | |
*/ | |
@Override | |
public void notifyChanged(Notification notification) { | |
updateChildren(notification); | |
switch (notification.getFeatureID(SpecObject.class)) { | |
case ReqIF10Package.SPEC_OBJECT__TYPE: | |
fireNotifyChanged(new ViewerNotification(notification, | |
notification.getNotifier(), true, true)); | |
return; | |
case ReqIF10Package.SPEC_OBJECT__VALUES: | |
case ReqIF10Package.SPEC_OBJECT__LAST_CHANGE: | |
notifyReferencingSpecHierarchies((SpecObject) notification.getNotifier()); | |
} | |
super.notifyChanged(notification); | |
} | |
/** | |
* This method finds all SpecHierarchies that have a reference to the given | |
* SpecObject. The ItemProviders of these SpecHierarchies are then notified | |
* to update (as this may change the label). | |
*/ | |
public void notifyReferencingSpecHierarchies(final SpecObject specObject) { | |
if (specObject == null) | |
return; | |
final ReqIF10Switch<SpecHierarchy> visitor = new ReqIF10Switch<SpecHierarchy>() { | |
@Override | |
public SpecHierarchy caseSpecHierarchy(SpecHierarchy specHierarchy) { | |
if (specObject.equals(specHierarchy.getObject())) { | |
specHierarchy.eNotify(new ENotificationImpl( | |
(InternalEObject) specHierarchy, Notification.SET, | |
ReqIF10Package.Literals.SPEC_HIERARCHY__OBJECT, | |
specObject, specObject)); | |
} | |
return super.caseSpecHierarchy(specHierarchy); | |
} | |
}; | |
ReqIF reqif = ReqIF10Util.getReqIF(specObject); | |
if (reqif != null) { | |
for (TreeIterator<Object> i = EcoreUtil.getAllContents(reqif | |
.getCoreContent().getSpecifications(), true); i.hasNext();) { | |
visitor.doSwitch((EObject) i.next()); | |
} | |
} | |
} | |
/** | |
* 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); | |
} | |
@Override | |
protected EStructuralFeature getSpecTypeFeature() { | |
return ReqIF10Package.Literals.SPEC_OBJECT__TYPE; | |
} | |
/** | |
* Use the virtual intermediate provider as the parent, rather than | |
* {@link ReqIFContentItemProvider}. | |
*/ | |
@Override | |
public Object getParent(Object object) { | |
ReqIFContent content = ((ReqIFContent) super.getParent(object)); | |
ReqIFContentItemProvider reqifContentProvider = (ReqIFContentItemProvider) ProrUtil | |
.getItemProvider(adapterFactory, content); | |
return reqifContentProvider != null ? reqifContentProvider | |
.getVirtualSpecObjects(content) : null; | |
} | |
/** | |
* Handles link-operations by creating SpecRelations. | |
*/ | |
@Override | |
protected Command createDragAndDropCommand(EditingDomain domain, | |
Object owner, float location, int operations, int operation, | |
Collection<?> collection) { | |
// Create a SpecRelation on Linking | |
if (operation == DragAndDropFeedback.DROP_LINK) { | |
return ProrUtil.createCreateSpecRelationsCommand(domain, collection, owner); | |
} | |
// Otherwise default behavior | |
return super.createDragAndDropCommand(domain, owner, location, operations, | |
operation, collection); | |
} | |
} |