//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 IBM Corporation 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.library.edit.category;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.MissingResourceException;
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.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.EMFEditPlugin;
import org.eclipse.emf.edit.command.AddCommand;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.provider.Disposable;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.epf.library.edit.FeatureValueWrapperItemProvider;
import org.eclipse.epf.library.edit.IDefaultNameSetter;
import org.eclipse.epf.library.edit.ILibraryItemProvider;
import org.eclipse.epf.library.edit.IStatefulItemProvider;
import org.eclipse.epf.library.edit.LibraryEditPlugin;
import org.eclipse.epf.library.edit.PresentationContext;
import org.eclipse.epf.library.edit.command.MethodElementAddCommand;
import org.eclipse.epf.library.edit.util.LibraryEditConstants;
import org.eclipse.epf.library.edit.util.TngUtil;
import org.eclipse.epf.uma.ContentPackage;
import org.eclipse.epf.uma.MethodElement;
import org.eclipse.epf.uma.MethodPlugin;
import org.eclipse.epf.uma.RoleSet;
import org.eclipse.epf.uma.RoleSetGrouping;
import org.eclipse.epf.uma.UmaFactory;
import org.eclipse.epf.uma.UmaPackage;
import org.eclipse.epf.uma.VariabilityElement;
import org.eclipse.epf.uma.util.UmaUtil;
/**
* The item provider adapter for a role set grouping.
* <p>
* This class will be renamed as RoleSetGroupingItemProvider in EPF M5.
*
* @author Phong Nguyen Le
* @author Kelvin Low
* @since 1.0
*/
public class RoleSetCategoryItemProvider extends
org.eclipse.epf.uma.provider.RoleSetGroupingItemProvider implements
IDefaultNameSetter, ILibraryItemProvider, IStatefulItemProvider {
private Disposable children;
/**
* Creates a new instance.
*/
public RoleSetCategoryItemProvider(AdapterFactory adapterFactory) {
super(adapterFactory);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#collectNewChildDescriptors(java.util.Collection,
* java.lang.Object)
*/
protected void collectNewChildDescriptors(Collection newChildDescriptors,
Object object) {
newChildDescriptors.add(createChildParameter(UmaPackage.eINSTANCE
.getRoleSetGrouping_RoleSets(), UmaFactory.eINSTANCE
.createRoleSet()));
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getChildrenFeatures(java.lang.Object)
*/
public Collection getChildrenFeatures(Object object) {
if (childrenFeatures == null) {
childrenFeatures = new ArrayList();
childrenFeatures.add(UmaPackage.eINSTANCE
.getRoleSetGrouping_RoleSets());
}
return childrenFeatures;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getParent(java.lang.Object)
*/
public Object getParent(Object object) {
if (object instanceof EObject) {
MethodPlugin plugin = UmaUtil.getMethodPlugin((EObject) object);
if (plugin != null) {
String[] path = {
LibraryEditPlugin.INSTANCE
.getString("_UI_Content_group") //$NON-NLS-1$
,
LibraryEditPlugin.INSTANCE
.getString("_UI_Standard_Categories_group") //$NON-NLS-1$
,
LibraryEditPlugin.INSTANCE
.getString("_UI_Role_Sets_group") //$NON-NLS-1$
};
return TngUtil.getAdapter(plugin, path);
}
}
// MethodModelItemProvider itemProvider = (MethodModelItemProvider)
// TngUtil.getAdapter((EObject)model, MethodModelItemProvider.class);
// if(itemProvider != null) {
// return itemProvider.getRoleSets();
// }
return super.getParent(object);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.command.CreateChildCommand.Helper#getCreateChildImage(java.lang.Object,
* java.lang.Object, java.lang.Object, java.util.Collection)
*/
public Object getCreateChildImage(Object owner, Object feature,
Object child, Collection selection) {
if (feature instanceof EReference && child instanceof EObject) {
EReference reference = (EReference) feature;
EClass parentClass = reference.getEContainingClass();
EClass childClass = ((EObject) child).eClass();
String name = "full/ctool16/Create" + parentClass.getName() + "_" + reference.getName() + "_" + childClass.getName(); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
try {
return LibraryEditPlugin.INSTANCE.getImage(name);
} catch (MissingResourceException e) {
System.err.println(e.getMessage());
return null;
}
}
return EMFEditPlugin.INSTANCE.getImage("full/ctool16/CreateChild"); //$NON-NLS-1$
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getText(java.lang.Object)
*/
public String getText(Object object) {
// String label = TngUtil.getLabel(object,
// getString("_UI_RoleSetGrouping_type"));
// ContentCategory category = (ContentCategory) object;
// if(category.getVariabilityBasedOnElement() != null) {
// MethodPlugin basePlugin =
// UmaUtil.getMethodPlugin(category.getVariabilityBasedOnElement());
// if(basePlugin != null) {
// label = label + " (inherited from " + basePlugin.getName() + ')';
// }
// }
// return label;
return TngUtil.getLabel((VariabilityElement) object,
getString("_UI_RoleSetGrouping_type"), true); //$NON-NLS-1$
}
// protected void updateChildren(Notification notification) {
// EObject object = (EObject)notification.getNotifier();
// ChildrenStore childrenStore = getChildrenStore(object);
//
// if (childrenStore != null)
// {
// EStructuralFeature feature =
// (EStructuralFeature)notification.getFeature();
// EList children = childrenStore.getList(feature);
// if (children != null)
// {
// int index = notification.getPosition();
//
// switch (notification.getEventType())
// {
// case Notification.REMOVE:
// {
// EList values = (EList)object.eGet(feature);
//
// if (values.size() == 0)
// {
// disposeWrappers(children);
// return;
// }
// break;
// }
// }
// }
// }
//
// super.updateChildren(notification);
// }
/*
* (non-Javadoc)
*
* @see org.eclipse.epf.uma.provider.RoleSetGroupingItemProvider#notifyChanged(org.eclipse.emf.common.notify.Notification)
*/
public void notifyChanged(Notification notification) {
//TngUtil.setDefaultName(this, notification);
setDefaultName(notification);
updateChildren(notification);
ContentPackage pkg;
switch (notification.getFeatureID(RoleSetGrouping.class)) {
case UmaPackage.ROLE_SET_GROUPING__ROLE_SETS:
pkg = (ContentPackage) ((EObject) notification.getNotifier())
.eContainer();
RoleSet roleSet;
boolean refreshParent = false;
switch (notification.getEventType()) {
case Notification.ADD:
roleSet = (RoleSet) notification.getNewValue();
if (roleSet.eContainer() == null) {
pkg.getContentElements().add(roleSet);
} else if (roleSet.eContainer() == pkg) {
refreshParent = true;
}
break;
case Notification.ADD_MANY:
for (Iterator iter = ((Collection) notification.getNewValue())
.iterator(); iter.hasNext();) {
roleSet = (RoleSet) iter.next();
if (roleSet.eContainer() == null) {
pkg.getContentElements().add(roleSet);
} else if (roleSet.eContainer() == pkg) {
refreshParent = true;
}
}
break;
case Notification.REMOVE:
case Notification.REMOVE_MANY:
refreshParent = true;
break;
}
fireNotifyChanged(new ViewerNotification(notification, notification
.getNotifier(), true, false));
if (refreshParent) {
fireNotifyChanged(new ViewerNotification(notification,
getParent(target), true, false));
}
return;
}
super.notifyChanged(notification);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getChildren(java.lang.Object)
*/
public Collection getChildren(Object object) {
Collection children = super.getChildren(object);
// for (Iterator iter = children.iterator(); iter.hasNext();) {
// RoleSet child = (RoleSet) iter.next();
// RoleSetItemProvider itemProvider = (RoleSetItemProvider)
// adapterFactory.adapt(child, ITreeItemContentProvider.class);
// itemProvider.setParent(object);
// }
if (children instanceof List)
Collections.sort((List) children, PresentationContext.INSTANCE.getComparator());
return children;
// return createWrappers(children);
}
protected boolean isWrappingNeeded(Object object) {
return true;
}
protected Object createWrapper(EObject object, EStructuralFeature feature,
Object value, int index) {
if (!isWrappingNeeded(object))
return value;
return TngUtil.createWrapper(adapterFactory, object, feature, value,
index);
}
// protected Object createWrapper(Object object) {
// Object wrapper = TngUtil.createWrapper(adapterFactory, (EObject) target,
// UmaPackage.eINSTANCE.getRoleSetGrouping_RoleSets(), object, -1);
// if(wrappers == null) {
// wrappers = new Disposable();
// }
// wrappers.add(wrapper);
// return wrapper;
// }
protected Collection createWrappers(Collection objects) {
if (children == null) {
children = new Disposable();
}
FeatureValueWrapperItemProvider.fill(children, null, objects, target,
adapterFactory);
ArrayList list = new ArrayList(children);
return list;
}
public void dispose() {
if (children != null) {
children.dispose();
}
super.dispose();
}
public void setDefaultName(Notification msg) {
IDefaultNameSetter defaultNameSetter = this;
if (defaultNameSetter.getInterestedFeatureOwnerClass() != null) {
int featureId = msg.getFeatureID(defaultNameSetter
.getInterestedFeatureOwnerClass());
if (featureId == defaultNameSetter.getInterestedFeatureID()) {
switch (msg.getEventType()) {
case Notification.ADD:
setDefaultName(msg.getNewValue(), msg.getNotifier());
break;
case Notification.ADD_MANY:
for (Iterator iter = ((Collection) msg.getNewValue())
.iterator(); iter.hasNext();) {
setDefaultName(iter.next(), msg.getNotifier());
}
break;
}
}
}
}
private void setDefaultName(Object obj, Object parent) {
String baseName = null;
if (obj instanceof RoleSet) {
baseName = LibraryEditConstants.NEW_ROLE_SET;
}
if (baseName != null) {
// Making plugin level uniqueness of roleset, on removing roleset reference
// from roleset grouping, roleset goes back to toplevel causing duplicate.
TngUtil.setDefaultName(TngUtil.extract(
((ContentPackage) (((RoleSetGrouping) parent)
.eContainer())).getContentElements(),
RoleSet.class), (MethodElement) obj,
LibraryEditConstants.NEW_ROLE_SET);
}
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.IDefaultNameSetter#setDefaultName(java.lang.Object)
*/
public void setDefaultName(Object obj) {
String baseName = null;
if (obj instanceof RoleSet) {
baseName = LibraryEditConstants.NEW_ROLE_SET;
}
if (baseName != null) {
TngUtil.setDefaultName(((RoleSetGrouping) target).getRoleSets(),
(MethodElement) obj, baseName);
}
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.IDefaultNameSetter#getInterestedFeatureID()
*/
public int getInterestedFeatureID() {
return UmaPackage.ROLE_SET_GROUPING__ROLE_SETS;
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.IDefaultNameSetter#getInterestedFeatureOwnerClass()
*/
public Class getInterestedFeatureOwnerClass() {
return RoleSetGrouping.class;
}
protected Command createAddCommand(EditingDomain domain, EObject owner,
EStructuralFeature feature, Collection collection, int index) {
return new MethodElementAddCommand((AddCommand) super.createAddCommand(
domain, owner, feature, collection, index));
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.IMethodElementItemProvider#setParent(java.lang.Object)
*/
public void setParent(Object parent) {
}
}