/*******************************************************************************
* 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.ILink;
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.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;
/**
* This is the item provider adapter for a {@link eu.geclipse.workflow.model.ILink}
* object. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
public class LinkItemProvider 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 LinkItemProvider( 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 );
addTargetPropertyDescriptor( object );
addSourcePropertyDescriptor( object );
}
return this.itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Target feature. <!-- begin-user-doc
* --> <!-- end-user-doc -->
*
* @generated
*/
protected void addTargetPropertyDescriptor( Object object ) {
this.itemPropertyDescriptors.add( createItemPropertyDescriptor( ( ( ComposeableAdapterFactory )this.adapterFactory ).getRootAdapterFactory(),
getResourceLocator(),
getString( "_UI_ILink_target_feature" ), //$NON-NLS-1$
getString( "_UI_PropertyDescriptor_description", //$NON-NLS-1$
"_UI_ILink_target_feature", //$NON-NLS-1$
"_UI_ILink_type" ), //$NON-NLS-1$
IWorkflowPackage.Literals.ILINK__TARGET,
true,
false,
true,
null,
null,
null ) );
}
/**
* This adds a property descriptor for the Source feature. <!-- begin-user-doc
* --> <!-- end-user-doc -->
*
* @generated
*/
protected void addSourcePropertyDescriptor( Object object ) {
this.itemPropertyDescriptors.add( createItemPropertyDescriptor( ( ( ComposeableAdapterFactory )this.adapterFactory ).getRootAdapterFactory(),
getResourceLocator(),
getString( "_UI_ILink_source_feature" ), //$NON-NLS-1$
getString( "_UI_PropertyDescriptor_description", //$NON-NLS-1$
"_UI_ILink_source_feature", //$NON-NLS-1$
"_UI_ILink_type" ), //$NON-NLS-1$
IWorkflowPackage.Literals.ILINK__SOURCE,
true,
false,
true,
null,
null,
null ) );
}
/**
* This returns ILink.gif. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public Object getImage( Object object ) {
return overlayImage( object,
getResourceLocator().getImage( "full/obj16/Link" ) ); //$NON-NLS-1$
}
/**
* This returns the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*/
@Override
public String getText( Object object ) {
ILink l = ( ILink )object;
String label = ""; //$NON-NLS-1$
// String label = getString("_UI_ILink_type");
String fromNode = l.getSource().getNode().getName();
String toNode = l.getTarget().getNode().getName();
if( !( fromNode == null || fromNode.length() == 0 ) )
label += " from " + fromNode; //$NON-NLS-1$
if( !( toNode == null || toNode.length() == 0 ) )
label += " to " + toNode; //$NON-NLS-1$
return label == null || label.length() == 0
? getString( "_UI_ILink_type" ) //$NON-NLS-1$
: getString( "_UI_ILink_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 );
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 );
}
/**
* Return the resource locator for this item provider's resources.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public ResourceLocator getResourceLocator() {
return WorkflowEditPlugin.INSTANCE;
}
}