/*******************************************************************************
* Copyright (c) 2011 Sebastian Benz.
* 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:
* Sebastian Benz - initial API and implementation
******************************************************************************/
/**
* <copyright>
* </copyright>
*
*/
package de.sebastianbenz.task.provider;
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.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;
import de.sebastianbenz.task.Content;
import de.sebastianbenz.task.TaskFactory;
import de.sebastianbenz.task.TaskPackage;
/**
* This is the item provider adapter for a {@link de.sebastianbenz.task.Content} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class ContentItemProvider
extends ContainerItemProvider
implements
IEditingDomainItemProvider,
IStructuredItemContentProvider,
ITreeItemContentProvider,
IItemLabelProvider,
IItemPropertySource
{
private static final int MAX_TEXT_LENGTH = 35;
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public ContentItemProvider(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);
addIntendPropertyDescriptor(object);
addTextPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Intend feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addIntendPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Content_intend_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Content_intend_feature", "_UI_Content_type"),
TaskPackage.Literals.CONTENT__INTEND,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Text feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addTextPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_Content_text_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_Content_text_feature", "_UI_Content_type"),
TaskPackage.Literals.CONTENT__TEXT,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_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 NOT
*/
@Override
public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
if (childrenFeatures == null) {
super.getChildrenFeatures(object);
}
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 the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
@Override
public String getText(Object object)
{
return shorten( ((Content)object).getValue());
}
protected String shorten(String original) {
if (original == null) {
return "null";
}
String text;
if (original.length() > MAX_TEXT_LENGTH) {
text = original.substring(0, MAX_TEXT_LENGTH) + "...";
} else {
text = original;
}
return text;
}
/**
* 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(Content.class)) {
case TaskPackage.CONTENT__INTEND:
case TaskPackage.CONTENT__TEXT:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
case TaskPackage.CONTENT__TAGS:
case TaskPackage.CONTENT__LINKS:
case TaskPackage.CONTENT__SEGMENTS:
case TaskPackage.CONTENT__IMAGES:
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 NOT
*/
@Override
protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object)
{
super.collectNewChildDescriptors(newChildDescriptors, object);
// newChildDescriptors.add
// (createChildParameter
// (TaskPackage.Literals.CONTENT__TAGS,
// TaskFactory.eINSTANCE.createTag()));
}
/**
* This returns the label text for {@link org.eclipse.emf.edit.command.CreateChildCommand}.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public String getCreateChildText(Object owner, Object feature, Object child, Collection<?> selection) {
Object childFeature = feature;
Object childObject = child;
boolean qualify =
childFeature == TaskPackage.Literals.CONTENT__TAGS ||
childFeature == TaskPackage.Literals.CONTENT__SEGMENTS ||
childFeature == TaskPackage.Literals.CONTENT__LINKS ||
childFeature == TaskPackage.Literals.CONTENT__IMAGES;
if (qualify) {
return getString
("_UI_CreateChild_text2",
new Object[] { getTypeText(childObject), getFeatureText(childFeature), getTypeText(owner) });
}
return super.getCreateChildText(owner, feature, child, selection);
}
}