//------------------------------------------------------------------------------
// Copyright (c) 2005, 2007 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
//------------------------------------------------------------------------------
/**
* <copyright>
* </copyright>
*
* $Id: NodeItemProvider.java,v 1.1 2008/01/15 08:53:03 jtham Exp $
*/
package org.eclipse.epf.diagram.model.provider;
import java.util.Collection;
import java.util.List;
import org.eclipse.draw2d.geometry.Point;
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.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.ViewerNotification;
import org.eclipse.epf.diagram.model.ModelFactory;
import org.eclipse.epf.diagram.model.ModelPackage;
import org.eclipse.epf.diagram.model.Node;
/**
* This is the item provider adapter for a {@link org.eclipse.epf.diagram.model.Node} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class NodeItemProvider
extends LinkedObjectItemProvider
implements
IEditingDomainItemProvider,
IStructuredItemContentProvider,
ITreeItemContentProvider,
IItemLabelProvider,
IItemPropertySource {
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NodeItemProvider(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);
addLocationPropertyDescriptor(object);
addWidthPropertyDescriptor(object);
addHeightPropertyDescriptor(object);
addIncomingConnectionsPropertyDescriptor(object);
addReadOnlyPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Location feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addLocationPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Node_location_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_Node_location_feature", "_UI_Node_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
ModelPackage.Literals.NODE__LOCATION,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Width feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addWidthPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Node_width_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_Node_width_feature", "_UI_Node_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
ModelPackage.Literals.NODE__WIDTH,
true,
false,
false,
ItemPropertyDescriptor.INTEGRAL_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Height feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addHeightPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Node_height_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_Node_height_feature", "_UI_Node_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
ModelPackage.Literals.NODE__HEIGHT,
true,
false,
false,
ItemPropertyDescriptor.INTEGRAL_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Incoming Connections feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addIncomingConnectionsPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Node_incomingConnections_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_Node_incomingConnections_feature", "_UI_Node_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
ModelPackage.Literals.NODE__INCOMING_CONNECTIONS,
true,
false,
true,
null,
null,
null));
}
/**
* This adds a property descriptor for the Read Only feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addReadOnlyPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Node_readOnly_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_Node_readOnly_feature", "_UI_Node_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
ModelPackage.Literals.NODE__READ_ONLY,
true,
false,
false,
ItemPropertyDescriptor.BOOLEAN_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(ModelPackage.Literals.NODE__OUTGOING_CONNECTIONS);
}
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 the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public String getText(Object object) {
Point labelValue = ((Node)object).getLocation();
String label = labelValue == null ? null : labelValue.toString();
return label == null || label.length() == 0 ?
getString("_UI_Node_type") : //$NON-NLS-1$
getString("_UI_Node_type") + " " + label; //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* 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(Node.class)) {
case ModelPackage.NODE__LOCATION:
case ModelPackage.NODE__WIDTH:
case ModelPackage.NODE__HEIGHT:
case ModelPackage.NODE__READ_ONLY:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
case ModelPackage.NODE__OUTGOING_CONNECTIONS:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
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);
newChildDescriptors.add
(createChildParameter
(ModelPackage.Literals.NODE__OUTGOING_CONNECTIONS,
ModelFactory.eINSTANCE.createLink()));
}
/**
* Return the resource locator for this item provider's resources.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public ResourceLocator getResourceLocator() {
return DiagramEditPlugin.INSTANCE;
}
}