/**
* Copyright (c) 2015 committers of YAKINDU 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:
* committers of YAKINDU - initial API and implementation
*
*/
package org.yakindu.base.types.provider;
import java.util.Collection;
import java.util.List;
import org.apache.commons.lang.StringUtils;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.yakindu.base.types.Operation;
import org.yakindu.base.types.Parameter;
import org.yakindu.base.types.Type;
import org.yakindu.base.types.TypeSpecifier;
import org.yakindu.base.types.TypesFactory;
import org.yakindu.base.types.TypesPackage;
/**
* This is the item provider adapter for a {@link org.yakindu.base.types.Operation} object.
* <!-- begin-user-doc --> <!--
* end-user-doc -->
* @generated
*/
public class OperationItemProvider extends DeclarationItemProvider {
/**
* 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);
addVariadicPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Variadic feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addVariadicPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Operation_variadic_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Operation_variadic_feature", "_UI_Operation_type"),
TypesPackage.Literals.OPERATION__VARIADIC,
false,
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(TypesPackage.Literals.GENERIC_ELEMENT__TYPE_PARAMETERS);
childrenFeatures.add(TypesPackage.Literals.OPERATION__PARAMETERS);
}
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
*/
@Override
public Object getImage(Object object) {
return overlayImage(object, getResourceLocator().getImage("full/obj16/Operation"));
}
/**
* @generated NOT
*/
@Override
public String getText(Object object) {
Operation operation = (Operation) object;
if (operation.getName() == null) {
return "null";
}
StringBuilder builder = new StringBuilder(operation.getName());
builder.append("(");
EList<Parameter> parameters = operation.getParameters();
String sep = "";
for (Parameter parameter : parameters) {
builder.append(sep);
builder.append(parameter.getName());
builder.append(" : ");
String typeName = getTypeName(parameter.getTypeSpecifier());
builder.append(typeName);
sep = ", ";
}
builder.append(")");
if (operation.getType() != null) {
builder.append(" : ");
String name = getTypeName(operation.getTypeSpecifier());
builder.append(name == null ? "void" : name);
}
return builder.toString();
}
protected String getTypeName(TypeSpecifier typeSpecifier) {
Type type = (Type) typeSpecifier.eGet(TypesPackage.Literals.TYPE_SPECIFIER__TYPE, false);
String typeName = "";
if (type == null) {
typeName = "null";
} else if (type.eIsProxy()) {
URI eProxyURI = ((InternalEObject) type).eProxyURI();
typeName = StringUtils.substringAfterLast(eProxyURI.fragment(), ".");
} else {
typeName = type.getName();
}
return typeName;
}
/**
* 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(Operation.class)) {
case TypesPackage.OPERATION__VARIADIC:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
case TypesPackage.OPERATION__TYPE_PARAMETERS:
case TypesPackage.OPERATION__PARAMETERS:
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
(TypesPackage.Literals.GENERIC_ELEMENT__TYPE_PARAMETERS,
TypesFactory.eINSTANCE.createTypeParameter()));
newChildDescriptors.add
(createChildParameter
(TypesPackage.Literals.OPERATION__PARAMETERS,
TypesFactory.eINSTANCE.createParameter()));
}
}