bundles/org.eclipse.emfforms.rulerepository.model.edit/src/org/eclipse/emfforms/spi/rulerepository/model/provider/RuleEntryItemProvider.java

/**
 * Copyright (c) 2011-2016 EclipseSource Muenchen GmbH 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:
 * Eugen Neufeld - initial API and implementation
 */
package org.eclipse.emfforms.spi.rulerepository.model.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.common.util.ResourceLocator;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecp.view.spi.rule.model.RuleFactory;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IChildCreationExtender;
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.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.emfforms.spi.rulerepository.model.VRuleEntry;
import org.eclipse.emfforms.spi.rulerepository.model.VRulerepositoryPackage;

/**
 * This is the item provider adapter for a
 * {@link org.eclipse.emfforms.spi.rulerepository.model.VRuleEntry} object. <!--
 * begin-user-doc --> <!-- end-user-doc -->
 *
 * @generated
 */
public class RuleEntryItemProvider extends ItemProviderAdapter implements IEditingDomainItemProvider,
	IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public RuleEntryItemProvider(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);

			addNamePropertyDescriptor(object);
			addRulePropertyDescriptor(object);
			addElementsPropertyDescriptor(object);
			addMergeTypePropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Name feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected void addNamePropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_RuleEntry_name_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_RuleEntry_name_feature", "_UI_RuleEntry_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				VRulerepositoryPackage.Literals.RULE_ENTRY__NAME,
				true,
				false,
				false,
				ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
				null,
				null));
	}

	/**
	 * This adds a property descriptor for the Rule feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected void addRulePropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_RuleEntry_rule_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_RuleEntry_rule_feature", "_UI_RuleEntry_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				VRulerepositoryPackage.Literals.RULE_ENTRY__RULE,
				true,
				false,
				false,
				null,
				null,
				null));
	}

	/**
	 * This adds a property descriptor for the Elements feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected void addElementsPropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_RuleEntry_elements_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_RuleEntry_elements_feature", "_UI_RuleEntry_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				VRulerepositoryPackage.Literals.RULE_ENTRY__ELEMENTS,
				true,
				false,
				true,
				null,
				null,
				null));
	}

	/**
	 * This adds a property descriptor for the Merge Type feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected void addMergeTypePropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_RuleEntry_mergeType_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_RuleEntry_mergeType_feature", //$NON-NLS-1$ //$NON-NLS-2$
					"_UI_RuleEntry_type"), //$NON-NLS-1$
				VRulerepositoryPackage.Literals.RULE_ENTRY__MERGE_TYPE,
				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
	 */
	@Override
	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
		if (childrenFeatures == null) {
			super.getChildrenFeatures(object);
			childrenFeatures.add(VRulerepositoryPackage.Literals.RULE_ENTRY__RULE);
		}
		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 RuleEntry.gif.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/RuleEntry")); //$NON-NLS-1$
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		final String label = ((VRuleEntry) object).getName();
		return label == null || label.length() == 0 ? getString("_UI_RuleEntry_type") : //$NON-NLS-1$
			getString("_UI_RuleEntry_type") + " " + label; //$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * 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(VRuleEntry.class)) {
		case VRulerepositoryPackage.RULE_ENTRY__NAME:
		case VRulerepositoryPackage.RULE_ENTRY__MERGE_TYPE:
			fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
			return;
		case VRulerepositoryPackage.RULE_ENTRY__RULE:
			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(VRulerepositoryPackage.Literals.RULE_ENTRY__RULE,
			RuleFactory.eINSTANCE.createShowRule()));

		newChildDescriptors.add(createChildParameter(VRulerepositoryPackage.Literals.RULE_ENTRY__RULE,
			RuleFactory.eINSTANCE.createEnableRule()));
	}

	/**
	 * Return the resource locator for this item provider's resources. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public ResourceLocator getResourceLocator() {
		return ((IChildCreationExtender) adapterFactory).getResourceLocator();
	}

}