/**
* <copyright>
* </copyright>
*
* $Id$
*/
package org.locationtech.udig.project.internal.provider;
import java.util.Collection;
import java.util.List;
import org.locationtech.udig.project.internal.ContextModel;
import org.locationtech.udig.project.internal.ProjectPackage;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.ecore.EStructuralFeature;
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.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;
/**
* This is the item provider adapter for a {@link org.locationtech.udig.project.internal.ContextModel} object.
* <!-- begin-user-doc --> <!--
* end-user-doc -->
* @generated
*/
public class ContextModelItemProvider 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 ContextModelItemProvider(AdapterFactory adapterFactory) {
super(adapterFactory);
}
/**
* This returns the property descriptors for the adapted class. <!-- begin-user-doc --> <!--
* end-user-doc -->
*
* @generated NOT
*/
public List getPropertyDescriptors(Object object) {
if (itemPropertyDescriptors == null) {
super.getPropertyDescriptors(object);
}
return itemPropertyDescriptors;
}
/**
* 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(ProjectPackage.Literals.CONTEXT_MODEL__LAYERS);
}
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);
}
/**
* This returns ContextModel.gif.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public Object getImage(Object object) {
return overlayImage(object, getResourceLocator().getImage("full/obj16/ContextModel")); //$NON-NLS-1$
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected boolean shouldComposeCreationImage() {
return true;
}
/**
* This returns the label text for the adapted class. <!-- begin-user-doc --> <!-- end-user-doc
* -->
*
* @generated NOT
*/
public String getText(Object object) {
return "Context Model";
}
@Override
protected void updateChildren(Notification notification) {
super.updateChildren(notification);
switch (notification.getEventType()) {
case Notification.ADD:
case Notification.ADD_MANY:
case Notification.REMOVE:
case Notification.REMOVE_MANY:
case Notification.MOVE:
Object notifier = notification.getNotifier();
if (notifier instanceof ContextModel) {
if (notification.getFeatureID(ContextModel.class) != ProjectPackage.CONTEXT_MODEL__LAYERS)
return;
// we need to tell the map item provider that the layers have changed.
ContextModel model = (ContextModel) notifier;
EList adapters = model.getMap().eAdapters();
for (Object object : adapters) {
if (object instanceof MapItemProvider) {
MapItemProvider mapItemProvider = ((MapItemProvider) object);
// mapItemProvider.updateChildList(notification);
mapItemProvider.getChildFetcher().notifyChanged();
break;
}
}
} else {
ProjectEditPlugin
.log("notifier is not a contextModel as expect. It is a " + notifier.getClass().getSimpleName(), null); //$NON-NLS-1$
}
break;
default:
break;
}
}
/**
* 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
*/
@Override
public void notifyChanged(Notification notification) {
updateChildren(notification);
switch (notification.getFeatureID(ContextModel.class)) {
case ProjectPackage.CONTEXT_MODEL__LAYERS:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(),
true, false));
return;
}
super.notifyChanged(notification);
}
/**
* Return the resource locator for this item provider's resources.
* <!-- begin-user-doc --> <!--
* end-user-doc -->
* @generated
*/
@Override
public ResourceLocator getResourceLocator() {
return ProjectEditPlugin.INSTANCE;
}
}