/**
* Copyright (c) 2011 Obeo.
* 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:
* Obeo - initial API and implementation
*/
package org.obeonetwork.dsl.typeslibrary.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.EObject;
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.typeslibrary.NativeType;
import org.obeonetwork.dsl.typeslibrary.NativeTypesLibrary;
import org.obeonetwork.dsl.typeslibrary.TypeInstance;
import org.obeonetwork.dsl.typeslibrary.TypesLibrary;
import org.obeonetwork.dsl.typeslibrary.TypesLibraryPackage;
import org.obeonetwork.dsl.typeslibrary.TypesLibraryUser;
/**
* This is the item provider adapter for a {@link org.obeonetwork.dsl.typeslibrary.TypeInstance} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class TypeInstanceItemProvider
extends TypeItemProvider
implements
IEditingDomainItemProvider,
IStructuredItemContentProvider,
ITreeItemContentProvider,
IItemLabelProvider,
IItemPropertySource {
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public static final String copyright = "Copyright (c) 2011 Obeo.\r\nAll rights reserved. This program and the accompanying materials\r\nare made available under the terms of the Eclipse Public License v1.0\r\nwhich accompanies this distribution, and is available at\r\nhttp://www.eclipse.org/legal/epl-v10.html\r\n\r\nContributors:\r\n Obeo - initial API and implementation";
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public TypeInstanceItemProvider(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);
addNativeTypePropertyDescriptor(object);
addLengthPropertyDescriptor(object);
addPrecisionPropertyDescriptor(object);
addLiteralsPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Native Type feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
protected void addNativeTypePropertyDescriptor(Object object) {
final Collection<NativeTypesLibrary> nativeTypesLibraries = new ArrayList<NativeTypesLibrary>();
if (object instanceof EObject) {
EObject eObject = (EObject)object;
final TypesLibraryUser user = getTypesLibraryUserFromParents(eObject);
if (user != null && user.getUsedLibraries().isEmpty() == false) {
for (TypesLibrary library : user.getUsedLibraries()) {
if (library instanceof NativeTypesLibrary) {
nativeTypesLibraries.add((NativeTypesLibrary)library);
}
}
}
}
// There is no restriction on choices, let's use an unmodified PropertyDescriptor
if (nativeTypesLibraries.isEmpty() == false) {
itemPropertyDescriptors.add
(new ItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_TypeInstance_nativeType_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_TypeInstance_nativeType_feature", "_UI_TypeInstance_type"),
TypesLibraryPackage.Literals.TYPE_INSTANCE__NATIVE_TYPE,
true,
false,
true,
null,
null,
null) {
@Override
public Collection<?> getChoiceOfValues(Object object) {
// We propose the types referenced by the used libraries
Collection<NativeType> suggestedTypes = new ArrayList<NativeType>();
for (NativeTypesLibrary nativeTypesLibrary : nativeTypesLibraries) {
suggestedTypes.addAll(nativeTypesLibrary.getNativeTypes());
}
return suggestedTypes;
}
});
} else {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_TypeInstance_nativeType_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_TypeInstance_nativeType_feature", "_UI_TypeInstance_type"),
TypesLibraryPackage.Literals.TYPE_INSTANCE__NATIVE_TYPE,
true,
false,
true,
null,
null,
null));
}
}
/**
* @generated NOT
*/
private TypesLibraryUser getTypesLibraryUserFromParents(EObject object) {
if (object.eContainer() != null) {
if (object.eContainer() instanceof TypesLibraryUser) {
return (TypesLibraryUser)object.eContainer();
} else {
return getTypesLibraryUserFromParents(object.eContainer());
}
}
return null;
}
/**
* This adds a property descriptor for the Length feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addLengthPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_TypeInstance_length_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_TypeInstance_length_feature", "_UI_TypeInstance_type"),
TypesLibraryPackage.Literals.TYPE_INSTANCE__LENGTH,
true,
false,
false,
ItemPropertyDescriptor.INTEGRAL_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Precision feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addPrecisionPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_TypeInstance_precision_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_TypeInstance_precision_feature", "_UI_TypeInstance_type"),
TypesLibraryPackage.Literals.TYPE_INSTANCE__PRECISION,
true,
false,
false,
ItemPropertyDescriptor.INTEGRAL_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Literals feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addLiteralsPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_TypeInstance_literals_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_TypeInstance_literals_feature", "_UI_TypeInstance_type"),
TypesLibraryPackage.Literals.TYPE_INSTANCE__LITERALS,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This returns TypeInstance.gif.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object getImage(Object object) {
return overlayImage(object, getResourceLocator().getImage("full/obj16/TypeInstance"));
}
/**
* <!-- 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 NOT
*/
@Override
public String getText(Object object) {
TypeInstance typeInstance = (TypeInstance)object;
NativeType nativeType = typeInstance.getNativeType();
String label = null;
if (nativeType != null) {
label = nativeType.getName();
if (label == null || label.length() == 0) {
label = "<undefined>";
}
switch(nativeType.getSpec()) {
case LENGTH :
if (!label.contains("%n")) {
label = label + "(%n)";
}
label = replacePlaceholders(label,
new String[]{"%n"},
new String[]{String.valueOf(typeInstance.getLength())});
break;
case LENGTH_AND_PRECISION :
if (!label.contains("%n") && !label.contains("%p")) {
label = label + "(%n, %p)";
} else if (!label.contains("%n")) {
label = label + "(%n)";
} else if (!label.contains("%p")) {
label = label + "(%p)";
}
label = replacePlaceholders(label,
new String[]{"%n", "%p"},
new String[]{String.valueOf(typeInstance.getLength()), String.valueOf(typeInstance.getPrecision())});
break;
case ENUM :
label += "(";
for (int i = 0; i < typeInstance.getLiterals().size(); i++) {
String literal = typeInstance.getLiterals().get(i);
if (i != 0) {
label += ", ";
}
label += literal;
}
label += ")";
break;
}
} else {
label = "<undefined>";
}
return label;
}
private String replacePlaceholders(String target, String[] placeholders, String[] values) {
String result = target;
for(int i = 0; i < placeholders.length; i++) {
String placeholder = placeholders[i];
String value = values[i];
int pos = result.indexOf(placeholder);
if (pos != -1) {
result = result.substring(0, pos) + value + result.substring(pos + placeholder.length());
}
}
return result;
}
/**
* 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(TypeInstance.class)) {
case TypesLibraryPackage.TYPE_INSTANCE__LENGTH:
case TypesLibraryPackage.TYPE_INSTANCE__PRECISION:
case TypesLibraryPackage.TYPE_INSTANCE__LITERALS:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, 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);
}
}