/**
* <copyright>
* </copyright>
*
* $Id$
*/
package org.obeonetwork.dsl.entityrelation.provider;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
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.obeonetwork.dsl.entityrelation.EntityRelationFactory;
import org.obeonetwork.dsl.entityrelation.EntityRelationPackage;
import org.obeonetwork.dsl.entityrelation.Identifier;
import org.obeonetwork.dsl.entityrelation.Relation;
/**
* This is the item provider adapter for a {@link org.obeonetwork.dsl.entityrelation.Relation} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class RelationItemProvider
extends NamedElementItemProvider
implements
IEditingDomainItemProvider,
IStructuredItemContentProvider,
ITreeItemContentProvider,
IItemLabelProvider,
IItemPropertySource {
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public RelationItemProvider(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);
addSourcePropertyDescriptor(object);
addSourceRolePropertyDescriptor(object);
addSourceCardinalityPropertyDescriptor(object);
addSourceIsCompositePropertyDescriptor(object);
addTargetPropertyDescriptor(object);
addTargetRolePropertyDescriptor(object);
addTargetCardinalityPropertyDescriptor(object);
addTargetIsCompositePropertyDescriptor(object);
addIdentifierPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Source feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addSourcePropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Relation_source_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Relation_source_feature", "_UI_Relation_type"),
EntityRelationPackage.Literals.RELATION__SOURCE,
true,
false,
true,
null,
null,
null));
}
/**
* This adds a property descriptor for the Source Role feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addSourceRolePropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Relation_sourceRole_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Relation_sourceRole_feature", "_UI_Relation_type"),
EntityRelationPackage.Literals.RELATION__SOURCE_ROLE,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Source Cardinality feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addSourceCardinalityPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Relation_sourceCardinality_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Relation_sourceCardinality_feature", "_UI_Relation_type"),
EntityRelationPackage.Literals.RELATION__SOURCE_CARDINALITY,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Source Is Composite feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addSourceIsCompositePropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Relation_sourceIsComposite_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Relation_sourceIsComposite_feature", "_UI_Relation_type"),
EntityRelationPackage.Literals.RELATION__SOURCE_IS_COMPOSITE,
true,
false,
false,
ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Target feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addTargetPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Relation_target_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Relation_target_feature", "_UI_Relation_type"),
EntityRelationPackage.Literals.RELATION__TARGET,
true,
false,
true,
null,
null,
null));
}
/**
* This adds a property descriptor for the Target Role feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addTargetRolePropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Relation_targetRole_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Relation_targetRole_feature", "_UI_Relation_type"),
EntityRelationPackage.Literals.RELATION__TARGET_ROLE,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Target Cardinality feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addTargetCardinalityPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Relation_targetCardinality_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Relation_targetCardinality_feature", "_UI_Relation_type"),
EntityRelationPackage.Literals.RELATION__TARGET_CARDINALITY,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Target Is Composite feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addTargetIsCompositePropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Relation_targetIsComposite_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Relation_targetIsComposite_feature", "_UI_Relation_type"),
EntityRelationPackage.Literals.RELATION__TARGET_IS_COMPOSITE,
true,
false,
false,
ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Identifier feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
protected void addIdentifierPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(new ItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Relation_identifier_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Relation_identifier_feature", "_UI_Relation_type"),
EntityRelationPackage.Literals.RELATION__IDENTIFIER,
true,
false,
true,
null,
null,
null) {
@Override
public Collection<?> getChoiceOfValues(Object object) {
Relation relation = (Relation)object;
if (relation.getSourceCardinality().isStarCardinality() == true) {
// Identifier must be one of the source entity
if (relation.getSource() != null) {
return new ArrayList<Identifier>(relation.getSource().getIdentifiers());
}
} else if (relation.getTargetCardinality().isStarCardinality() == true) {
// Identifier must be one of the target entity
if (relation.getTarget() != null) {
return new ArrayList<Identifier>(relation.getTarget().getIdentifiers());
}
} else if (relation.getSourceCardinality().isStarCardinality() == false
&& relation.getTargetCardinality().isStarCardinality() == false) {
// Identifier may be one of the source or target entity
Collection<Identifier> suggestedIdentifiers = new ArrayList<Identifier>();
if (relation.getSource() != null) {
suggestedIdentifiers.addAll(relation.getSource().getIdentifiers());
}
if (relation.getTarget() != null) {
suggestedIdentifiers.addAll(relation.getTarget().getIdentifiers());
}
return suggestedIdentifiers;
}
return 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(EntityRelationPackage.Literals.RELATION__ELEMENTS);
}
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 Relation.gif.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object getImage(Object object) {
return overlayImage(object, getResourceLocator().getImage("full/obj16/Relation"));
}
/**
* <!-- 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
*/
@Override
public String getText(Object object) {
String label = ((Relation)object).getName();
return label == null || label.length() == 0 ?
getString("_UI_Relation_type") :
getString("_UI_Relation_type") + " " + label;
}
/**
* 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(Relation.class)) {
case EntityRelationPackage.RELATION__SOURCE_ROLE:
case EntityRelationPackage.RELATION__SOURCE_CARDINALITY:
case EntityRelationPackage.RELATION__SOURCE_IS_COMPOSITE:
case EntityRelationPackage.RELATION__TARGET_ROLE:
case EntityRelationPackage.RELATION__TARGET_CARDINALITY:
case EntityRelationPackage.RELATION__TARGET_IS_COMPOSITE:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
case EntityRelationPackage.RELATION__ELEMENTS:
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
(EntityRelationPackage.Literals.RELATION__ELEMENTS,
EntityRelationFactory.eINSTANCE.createRelationElement()));
}
}