bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ui/impl/ElementContainerImpl.java - platform/eclipse.platform.ui - Git at Google

 /**
  * Copyright (c) 2008, 2015 IBM Corporation 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:
  *      IBM Corporation - initial API and implementation
  */
 package org.eclipse.e4.ui.model.application.ui.impl;

 import java.util.Collection;
 import java.util.List;
 import org.eclipse.e4.ui.model.application.ui.MElementContainer;
 import org.eclipse.e4.ui.model.application.ui.MUIElement;
 import org.eclipse.e4.ui.model.internal.ModelUtils;
 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.notify.NotificationChain;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.EClassifier;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.InternalEObject;
 import org.eclipse.emf.ecore.impl.ENotificationImpl;
 import org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList;
 import org.eclipse.emf.ecore.util.InternalEList;

 /**
  * <!-- begin-user-doc -->
  * An implementation of the model object '<em><b>Element Container</b></em>'.
  * <!-- end-user-doc -->
  * <p>
  * The following features are implemented:
  * </p>
  * <ul>
  *   <li>{@link org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl#getChildren <em>Children</em>}</li>
  *   <li>{@link org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl#getSelectedElement <em>Selected Element</em>}</li>
  * </ul>
  *
  * @since 1.0
  * @generated
  */
 public abstract class ElementContainerImpl<T extends MUIElement> extends UIElementImpl implements MElementContainer<T> {
 	/**
 	 * The cached value of the '{@link #getChildren() <em>Children</em>}' containment reference list.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @see #getChildren()
 	 * @generated
 	 * @ordered
 	 */
 	protected EList<T> children;

 	/**
 	 * The cached value of the '{@link #getSelectedElement() <em>Selected Element</em>}' reference.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @see #getSelectedElement()
 	 * @generated
 	 * @ordered
 	 */
 	protected T selectedElement;

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	protected ElementContainerImpl() {
 		super();
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	protected EClass eStaticClass() {
 		return UiPackageImpl.Literals.ELEMENT_CONTAINER;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated NOT
 	 */
 	public List<T> getChildren() {
 		if (children == null) {
 			EClassifier classifier = ModelUtils.getTypeArgument(eClass(), UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN.getEGenericType());
 			final Class<?> clazz;

 			if( classifier != null && classifier.getInstanceClass() != null ) {
 				clazz = classifier.getInstanceClass();
 			} else {
 				clazz = null;
 			}

 			children = new EObjectContainmentWithInverseEList<T>(MUIElement.class, this, UiPackageImpl.ELEMENT_CONTAINER__CHILDREN, UiPackageImpl.UI_ELEMENT__PARENT) {

 				/**
 				 *
 				 */
 				private static final long serialVersionUID = 1L;

 				@Override
 				protected boolean isInstance(Object object) {
 					return super.isInstance(object) && (clazz == null || clazz.isInstance(object));
 				}

 				@Override
 				protected T validate(int index, T object) {
 					if( isInstance(object) ) {
 						return object;
 					} else {
 						throw new IllegalArgumentException("The added object '"+object+"' is not assignable to '"+clazz.getName()+"'");
 					}
 				}
 			};
 		}
 		return children;
 	}


 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@SuppressWarnings("unchecked")
 	public T getSelectedElement() {
 		if (selectedElement != null && ((EObject)selectedElement).eIsProxy()) {
 			InternalEObject oldSelectedElement = (InternalEObject)selectedElement;
 			selectedElement = (T)eResolveProxy(oldSelectedElement);
 			if (selectedElement != oldSelectedElement) {
 				if (eNotificationRequired())
 					eNotify(new ENotificationImpl(this, Notification.RESOLVE, UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT, oldSelectedElement, selectedElement));
 			}
 		}
 		return selectedElement;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public T basicGetSelectedElement() {
 		return selectedElement;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated NOT
 	 */
 	public void setSelectedElement(T newSelectedElement) {
 		// Ensure that the new candidate is in *our* child list
 		if (newSelectedElement != null && newSelectedElement.getParent() != this) {
 			throw new IllegalArgumentException("The selected element "
 					+ newSelectedElement + " is not a child of this container");
 		}

 		// Ensure that the new candidate is visible in the UI
 		if (newSelectedElement != null && !newSelectedElement.isToBeRendered()) {
 			throw new IllegalArgumentException("The selected element "
 					+ newSelectedElement + " must be visible in the UI presentation");
 		}

 		T oldSelectedElement = selectedElement;
 		selectedElement = newSelectedElement;
 		if (eNotificationRequired())
 			eNotify(new ENotificationImpl(this, Notification.SET, UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT, oldSelectedElement, selectedElement));
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@SuppressWarnings("unchecked")
 	@Override
 	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
 		switch (featureID) {
 			case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
 				return ((InternalEList<InternalEObject>)(InternalEList<?>)getChildren()).basicAdd(otherEnd, msgs);
 		}
 		return super.eInverseAdd(otherEnd, featureID, msgs);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
 		switch (featureID) {
 			case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
 				return ((InternalEList<?>)getChildren()).basicRemove(otherEnd, msgs);
 		}
 		return super.eInverseRemove(otherEnd, featureID, msgs);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public Object eGet(int featureID, boolean resolve, boolean coreType) {
 		switch (featureID) {
 			case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
 				return getChildren();
 			case UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT:
 				if (resolve) return getSelectedElement();
 				return basicGetSelectedElement();
 		}
 		return super.eGet(featureID, resolve, coreType);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@SuppressWarnings("unchecked")
 	@Override
 	public void eSet(int featureID, Object newValue) {
 		switch (featureID) {
 			case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
 				getChildren().clear();
 				getChildren().addAll((Collection<? extends T>)newValue);
 				return;
 			case UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT:
 				setSelectedElement((T)newValue);
 				return;
 		}
 		super.eSet(featureID, newValue);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public void eUnset(int featureID) {
 		switch (featureID) {
 			case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
 				getChildren().clear();
 				return;
 			case UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT:
 				setSelectedElement((T)null);
 				return;
 		}
 		super.eUnset(featureID);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public boolean eIsSet(int featureID) {
 		switch (featureID) {
 			case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
 				return children != null && !children.isEmpty();
 			case UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT:
 				return selectedElement != null;
 		}
 		return super.eIsSet(featureID);
 	}

 } //ElementContainerImpl
	/**
	* Copyright (c) 2008, 2015 IBM Corporation 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:
	* IBM Corporation - initial API and implementation
	*/
	package org.eclipse.e4.ui.model.application.ui.impl;

	import java.util.Collection;
	import java.util.List;
	import org.eclipse.e4.ui.model.application.ui.MElementContainer;
	import org.eclipse.e4.ui.model.application.ui.MUIElement;
	import org.eclipse.e4.ui.model.internal.ModelUtils;
	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.common.notify.NotificationChain;
	import org.eclipse.emf.common.util.EList;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.EClassifier;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.InternalEObject;
	import org.eclipse.emf.ecore.impl.ENotificationImpl;
	import org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList;
	import org.eclipse.emf.ecore.util.InternalEList;

	/**
	* <!-- begin-user-doc -->
	* An implementation of the model object '<em><b>Element Container</b></em>'.
	* <!-- end-user-doc -->
	* <p>
	* The following features are implemented:
	* </p>
	* <ul>
	* <li>{@link org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl#getChildren <em>Children</em>}</li>
	* <li>{@link org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl#getSelectedElement <em>Selected Element</em>}</li>
	* </ul>
	*
	* @since 1.0
	* @generated
	*/
	public abstract class ElementContainerImpl<T extends MUIElement> extends UIElementImpl implements MElementContainer<T> {
	/**
	* The cached value of the '{@link #getChildren() <em>Children</em>}' containment reference list.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getChildren()
	* @generated
	* @ordered
	*/
	protected EList<T> children;

	/**
	* The cached value of the '{@link #getSelectedElement() <em>Selected Element</em>}' reference.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getSelectedElement()
	* @generated
	* @ordered
	*/
	protected T selectedElement;

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	protected ElementContainerImpl() {
	super();
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	protected EClass eStaticClass() {
	return UiPackageImpl.Literals.ELEMENT_CONTAINER;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated NOT
	*/
	public List<T> getChildren() {
	if (children == null) {
	EClassifier classifier = ModelUtils.getTypeArgument(eClass(), UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN.getEGenericType());
	final Class<?> clazz;

	if( classifier != null && classifier.getInstanceClass() != null ) {
	clazz = classifier.getInstanceClass();
	} else {
	clazz = null;
	}

	children = new EObjectContainmentWithInverseEList<T>(MUIElement.class, this, UiPackageImpl.ELEMENT_CONTAINER__CHILDREN, UiPackageImpl.UI_ELEMENT__PARENT) {

	/**
	*
	*/
	private static final long serialVersionUID = 1L;

	@Override
	protected boolean isInstance(Object object) {
	return super.isInstance(object) && (clazz == null \|\| clazz.isInstance(object));
	}

	@Override
	protected T validate(int index, T object) {
	if( isInstance(object) ) {
	return object;
	} else {
	throw new IllegalArgumentException("The added object '"+object+"' is not assignable to '"+clazz.getName()+"'");
	}
	}
	};
	}
	return children;
	}


	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@SuppressWarnings("unchecked")
	public T getSelectedElement() {
	if (selectedElement != null && ((EObject)selectedElement).eIsProxy()) {
	InternalEObject oldSelectedElement = (InternalEObject)selectedElement;
	selectedElement = (T)eResolveProxy(oldSelectedElement);
	if (selectedElement != oldSelectedElement) {
	if (eNotificationRequired())
	eNotify(new ENotificationImpl(this, Notification.RESOLVE, UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT, oldSelectedElement, selectedElement));
	}
	}
	return selectedElement;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public T basicGetSelectedElement() {
	return selectedElement;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated NOT
	*/
	public void setSelectedElement(T newSelectedElement) {
	// Ensure that the new candidate is in our child list
	if (newSelectedElement != null && newSelectedElement.getParent() != this) {
	throw new IllegalArgumentException("The selected element "
	+ newSelectedElement + " is not a child of this container");
	}

	// Ensure that the new candidate is visible in the UI
	if (newSelectedElement != null && !newSelectedElement.isToBeRendered()) {
	throw new IllegalArgumentException("The selected element "
	+ newSelectedElement + " must be visible in the UI presentation");
	}

	T oldSelectedElement = selectedElement;
	selectedElement = newSelectedElement;
	if (eNotificationRequired())
	eNotify(new ENotificationImpl(this, Notification.SET, UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT, oldSelectedElement, selectedElement));
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@SuppressWarnings("unchecked")
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
	switch (featureID) {
	case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
	return ((InternalEList<InternalEObject>)(InternalEList<?>)getChildren()).basicAdd(otherEnd, msgs);
	}
	return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
	switch (featureID) {
	case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
	return ((InternalEList<?>)getChildren()).basicRemove(otherEnd, msgs);
	}
	return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
	switch (featureID) {
	case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
	return getChildren();
	case UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT:
	if (resolve) return getSelectedElement();
	return basicGetSelectedElement();
	}
	return super.eGet(featureID, resolve, coreType);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
	switch (featureID) {
	case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
	getChildren().clear();
	getChildren().addAll((Collection<? extends T>)newValue);
	return;
	case UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT:
	setSelectedElement((T)newValue);
	return;
	}
	super.eSet(featureID, newValue);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public void eUnset(int featureID) {
	switch (featureID) {
	case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
	getChildren().clear();
	return;
	case UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT:
	setSelectedElement((T)null);
	return;
	}
	super.eUnset(featureID);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public boolean eIsSet(int featureID) {
	switch (featureID) {
	case UiPackageImpl.ELEMENT_CONTAINER__CHILDREN:
	return children != null && !children.isEmpty();
	case UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT:
	return selectedElement != null;
	}
	return super.eIsSet(featureID);
	}

	} //ElementContainerImpl