/**
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright (C) 2007 Matthias Braeuer (braeuer.matthias@web.de). *
* All rights reserved. *
* *
* This work was done as a project at the Chair for Software Technology, *
* Dresden University Of Technology, Germany (http://st.inf.tu-dresden.de). *
* It is understood that any modification not identified as such is not *
* covered by the preceding statement. *
* *
* This work is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Library General Public License as published *
* by the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This work is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public *
* License for more details. *
* *
* You should have received a copy of the GNU Library General Public License *
* along with this library; if not, you can view it online at *
* http://www.fsf.org/licensing/licenses/gpl.html. *
* *
* To submit a bug report, send a comment, or get the latest news on this *
* project, please visit the website: http://dresden-ocl.sourceforge.net. *
* For more information on OCL and related projects visit the OCL Portal: *
* http://st.inf.tu-dresden.de/ocl *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* $Id$
*/
package org.dresdenocl.pivotmodel.provider;
import java.util.Collection;
import java.util.Iterator;
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.ViewerNotification;
import org.dresdenocl.pivotmodel.Operation;
import org.dresdenocl.pivotmodel.Parameter;
import org.dresdenocl.pivotmodel.PivotModelFactory;
import org.dresdenocl.pivotmodel.PivotModelPackage;
import org.dresdenocl.pivotmodel.TypeParameter;
import org.dresdenocl.pivotmodel.TypedElement;
import org.dresdenocl.pivotmodel.impl.PivotModelPackageImpl;
/**
* This is the item provider adapter for a
* {@link org.dresdenocl.pivotmodel.Operation} object. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
public class OperationItemProvider extends FeatureItemProvider {
/**
* This constructs an instance from a factory and a notifier. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
public OperationItemProvider(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);
addInputParameterPropertyDescriptor(object);
addOutputParameterPropertyDescriptor(object);
addReturnParameterPropertyDescriptor(object);
addSignatureParameterPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Input Parameter feature. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected void addInputParameterPropertyDescriptor(Object object) {
itemPropertyDescriptors
.add(createItemPropertyDescriptor(
((ComposeableAdapterFactory) adapterFactory)
.getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Operation_inputParameter_feature"), //$NON-NLS-1$
getString(
"_UI_PropertyDescriptor_description", "_UI_Operation_inputParameter_feature", "_UI_Operation_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
PivotModelPackage.Literals.OPERATION__INPUT_PARAMETER,
false, false, false, null, null, null));
}
/**
* This adds a property descriptor for the Output Parameter feature. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected void addOutputParameterPropertyDescriptor(Object object) {
itemPropertyDescriptors
.add(createItemPropertyDescriptor(
((ComposeableAdapterFactory) adapterFactory)
.getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Operation_outputParameter_feature"), //$NON-NLS-1$
getString(
"_UI_PropertyDescriptor_description", "_UI_Operation_outputParameter_feature", "_UI_Operation_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
PivotModelPackage.Literals.OPERATION__OUTPUT_PARAMETER,
false, false, false, null, null, null));
}
/**
* This adds a property descriptor for the Return Parameter feature. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected void addReturnParameterPropertyDescriptor(Object object) {
itemPropertyDescriptors
.add(createItemPropertyDescriptor(
((ComposeableAdapterFactory) adapterFactory)
.getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Operation_returnParameter_feature"), //$NON-NLS-1$
getString(
"_UI_PropertyDescriptor_description", "_UI_Operation_returnParameter_feature", "_UI_Operation_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
PivotModelPackage.Literals.OPERATION__RETURN_PARAMETER,
false, false, false, null, null, null));
}
/**
* This adds a property descriptor for the Signature Parameter feature. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected void addSignatureParameterPropertyDescriptor(Object object) {
itemPropertyDescriptors
.add(createItemPropertyDescriptor(
((ComposeableAdapterFactory) adapterFactory)
.getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Operation_signatureParameter_feature"), //$NON-NLS-1$
getString(
"_UI_PropertyDescriptor_description", "_UI_Operation_signatureParameter_feature", "_UI_Operation_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
PivotModelPackage.Literals.OPERATION__SIGNATURE_PARAMETER,
false, false, false, null, 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(PivotModelPackage.Literals.GENERIC_ELEMENT__OWNED_TYPE_PARAMETER);
childrenFeatures
.add(PivotModelPackage.Literals.OPERATION__OWNED_PARAMETER);
}
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 Operation.gif. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated NOT
*/
@Override
public Object getImage(Object object) {
Object result;
if (object instanceof Operation && ((Operation) object).isStatic()) {
result = overlayImage(object,
getResourceLocator().getImage("full/obj16/StaticOperation"));
}
else {
result = overlayImage(object,
getResourceLocator().getImage("full/obj16/Operation"));
}
return result;
}
/**
* This returns the label text for the adapted class.
*
* <p>
* The EMF-generated code is extended to simply call {@link
* super#getText(Object) the super implementation}.
* </p>
*
* @generated NOT
*/
@Override
public String getText(Object object) {
return super.getText(object);
}
/**
* Overridden to return the name of the operation and a list of parameters. If
* the operation is generic, it will also prepend any type parameters in
* analogy to Java generics.
*
* @see org.dresdenocl.pivotmodel.provider.TypedElementItemProvider#getTypedElementName(org.dresdenocl.pivotmodel.TypedElement)
*/
@Override
protected CharSequence getTypedElementName(TypedElement typedElement) {
StringBuilder name;
Operation operation;
// create a casted version of the typed element
operation = (Operation) typedElement;
// initialize with empty string
name = new StringBuilder();
// append type parameters if there are any
if (!operation.getOwnedTypeParameter().isEmpty()) {
name.append(getTypeParameterListOpeningDelimiter());
for (Iterator<TypeParameter> it = operation.getOwnedTypeParameter()
.iterator(); it.hasNext();) {
name.append(it.next().getName());
if (it.hasNext()) {
name.append(", "); //$NON-NLS-1$
}
}
name.append(getTypeParameterListClosingDelimiter()).append(' ');
}
// append the name of the operation
name.append(operation.getName());
// append parameters
name.append('(');
for (Iterator<Parameter> it = operation.getSignatureParameter()
.iterator(); it.hasNext();) {
Parameter parameter = it.next();
// use the parameter-specific label provider for rendering the text
name.append(getLabel(parameter));
if (it.hasNext()) {
name.append(", "); //$NON-NLS-1$
}
}
name.append(')');
return name;
}
/**
* 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}.
*
* <p>
* The EMF implementation is altered here to send content refresh and label
* refresh notifications if the owned parameters or the (generic) type of the
* operation changes (an update to a contained return parameter might be
* necessary). In addition, changes to the owned type parameters should
* trigger a label update.
* </p>
*
* @generated NOT
*/
@Override
public void notifyChanged(Notification notification) {
updateChildren(notification);
switch (notification.getFeatureID(Operation.class)) {
case PivotModelPackageImpl.OPERATION__TYPE:
case PivotModelPackageImpl.OPERATION__GENERIC_TYPE:
case PivotModelPackageImpl.OPERATION__OWNED_PARAMETER:
case PivotModelPackageImpl.OPERATION__OWNED_TYPE_PARAMETER:
fireNotifyChanged(new ViewerNotification(notification,
notification.getNotifier(), true, true));
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(
PivotModelPackage.Literals.GENERIC_ELEMENT__OWNED_TYPE_PARAMETER,
PivotModelFactory.eINSTANCE.createTypeParameter()));
newChildDescriptors.add(createChildParameter(
PivotModelPackage.Literals.OPERATION__OWNED_PARAMETER,
PivotModelFactory.eINSTANCE.createParameter()));
}
}