/*******************************************************************************
* Copyright (c) 2006, 2007 g-Eclipse Consortium
* 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
*
* Initial development of the original code was made for the g-Eclipse project
* funded by European Union project number: FP6-IST-034327
* http://www.geclipse.eu/
*
* Contributors:
* RUR (http://acet.rdg.ac.uk/)
* - Ashish Thandavan - initial API and implementation
******************************************************************************/
package eu.geclipse.workflow.provider;
import eu.geclipse.workflow.model.IWorkflowFactory;
import eu.geclipse.workflow.model.IWorkflowNode;
import eu.geclipse.workflow.model.IWorkflowPackage;
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.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;
/**
* This is the item provider adapter for a
* {@link eu.geclipse.workflow.model.IWorkflowNode} object.
*
* @generated
*/
public class WorkflowNodeItemProvider extends WorkflowElementItemProvider
implements IEditingDomainItemProvider, IStructuredItemContentProvider,
ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource
{
/**
* This constructs an instance from a factory and a notifier. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
public WorkflowNodeItemProvider( 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( this.itemPropertyDescriptors == null ) {
super.getPropertyDescriptors( object );
addIsStartPropertyDescriptor( object );
addIsFinishPropertyDescriptor( object );
}
return this.itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Is Start feature. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected void addIsStartPropertyDescriptor( Object object ) {
this.itemPropertyDescriptors.add( createItemPropertyDescriptor( ( ( ComposeableAdapterFactory )this.adapterFactory ).getRootAdapterFactory(),
getResourceLocator(),
getString( "_UI_IWorkflowNode_isStart_feature" ), //$NON-NLS-1$
getString( "_UI_PropertyDescriptor_description", //$NON-NLS-1$
"_UI_IWorkflowNode_isStart_feature", //$NON-NLS-1$
"_UI_IWorkflowNode_type" ), //$NON-NLS-1$
IWorkflowPackage.Literals.IWORKFLOW_NODE__IS_START,
true,
false,
false,
ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE,
null,
null ) );
}
/**
* This adds a property descriptor for the Is Finish feature. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected void addIsFinishPropertyDescriptor( Object object ) {
this.itemPropertyDescriptors.add( createItemPropertyDescriptor( ( ( ComposeableAdapterFactory )this.adapterFactory ).getRootAdapterFactory(),
getResourceLocator(),
getString( "_UI_IWorkflowNode_isFinish_feature" ), //$NON-NLS-1$
getString( "_UI_PropertyDescriptor_description", //$NON-NLS-1$
"_UI_IWorkflowNode_isFinish_feature", //$NON-NLS-1$
"_UI_IWorkflowNode_type" ), //$NON-NLS-1$
IWorkflowPackage.Literals.IWORKFLOW_NODE__IS_FINISH,
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( this.childrenFeatures == null ) {
super.getChildrenFeatures( object );
this.childrenFeatures.add( IWorkflowPackage.Literals.IWORKFLOW_NODE__OUTPUTS );
this.childrenFeatures.add( IWorkflowPackage.Literals.IWORKFLOW_NODE__INPUTS );
}
return this.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 ) {
String label = ( ( IWorkflowNode )object ).getName();
return label == null || label.length() == 0
? getString( "_UI_IWorkflowNode_type" ) //$NON-NLS-1$
: getString( "_UI_IWorkflowNode_type" ) //$NON-NLS-1$
+ " " //$NON-NLS-1$
+ 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( IWorkflowNode.class ) ) {
case IWorkflowPackage.IWORKFLOW_NODE__IS_START:
case IWorkflowPackage.IWORKFLOW_NODE__IS_FINISH:
fireNotifyChanged( new ViewerNotification( notification,
notification.getNotifier(),
false,
true ) );
return;
case IWorkflowPackage.IWORKFLOW_NODE__OUTPUTS:
case IWorkflowPackage.IWORKFLOW_NODE__INPUTS:
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( IWorkflowPackage.Literals.IWORKFLOW_NODE__OUTPUTS,
IWorkflowFactory.eINSTANCE.createIOutputPort() ) );
newChildDescriptors.add( createChildParameter( IWorkflowPackage.Literals.IWORKFLOW_NODE__INPUTS,
IWorkflowFactory.eINSTANCE.createIInputPort() ) );
}
/**
* Return the resource locator for this item provider's resources. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public ResourceLocator getResourceLocator() {
return WorkflowEditPlugin.INSTANCE;
}
}