org.eclipse.osbp.ecview.core.common.editparts.emf/src/org/eclipse/osbp/ecview/core/common/editpart/emf/LayoutEditpart.java - osbp/org.eclipse.osbp.ecview.core - Git at Google

 /**
  * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
  * 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:
  *         Florian Pirchner - Initial implementation
  */
 package org.eclipse.osbp.ecview.core.common.editpart.emf;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;

 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart;
 import org.eclipse.osbp.ecview.core.common.editpart.ILayoutEditpart;
 import org.eclipse.osbp.ecview.core.common.editpart.validation.IValidatorEditpart;
 import org.eclipse.osbp.ecview.core.common.model.core.CoreModelPackage;
 import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddable;
 import org.eclipse.osbp.ecview.core.common.model.core.YLayout;
 import org.eclipse.osbp.ecview.core.common.presentation.ILayoutPresentation;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 // TODO: Auto-generated Javadoc
 /**
  * An implementation of {@link ILayoutEditpart}.
  *
  * @param <M>
  *            the generic type
  */
 public class LayoutEditpart<M extends YLayout> extends EmbeddableEditpart<M>
 		implements ILayoutEditpart {

 	/** The Constant LOGGER. */
 	private static final Logger LOGGER = LoggerFactory
 			.getLogger(LayoutEditpart.class);

 	/** The ui element editparts. */
 	private List<IEmbeddableEditpart> uiElementEditparts;

 	/**
 	 * Default constructor.
 	 */
 	public LayoutEditpart() {

 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.ILayoutEditpart#getElements()
 	 */
 	@Override
 	public List<IEmbeddableEditpart> getElements() {
 		if (uiElementEditparts == null) {
 			internalLoadElements();
 		}
 		return Collections.unmodifiableList(uiElementEditparts);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.emf.EmbeddableEditpart#internalDispose()
 	 */
 	@Override
 	protected void internalDispose() {
 		try {
 			// lazy loading: edit parts also have to be disposed if they have
 			// not been loaded yet,
 			// but exist in the model.
 			if (uiElementEditparts != null
 					|| getModel().getElements().size() > 0) {
 				List<IEmbeddableEditpart> tempElements = getElements();
 				synchronized (uiElementEditparts) {
 					for (IEmbeddableEditpart editpart : tempElements
 							.toArray(new IEmbeddableEditpart[tempElements
 									.size()])) {
 						editpart.dispose();
 					}
 				}
 				uiElementEditparts = null;
 			}
 		} finally {
 			super.internalDispose();
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.ILayoutEditpart#addElement(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
 	 */
 	@Override
 	public void addElement(IEmbeddableEditpart element) {
 		try {
 			checkDisposed();

 			// add the element by using the model
 			//
 			M yLayout = getModel();
 			YEmbeddable yElement = (YEmbeddable) element.getModel();
 			yLayout.getElements().add(yElement);
 			// BEGIN SUPRESS CATCH EXCEPTION
 		} catch (RuntimeException e) {
 			// END SUPRESS CATCH EXCEPTION
 			LOGGER.error("{}", e);
 			throw e;
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.ILayoutEditpart#removeElement(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
 	 */
 	@Override
 	public void removeElement(IEmbeddableEditpart element) {
 		try {
 			checkDisposed();

 			// remove the element by using the model
 			//
 			M yLayout = getModel();
 			YEmbeddable yElement = (YEmbeddable) element.getModel();
 			yLayout.getElements().remove(yElement);
 			// BEGIN SUPRESS CATCH EXCEPTION
 		} catch (RuntimeException e) {
 			// END SUPRESS CATCH EXCEPTION
 			LOGGER.error("{}", e);
 			throw e;
 		}
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	protected void handleModelAdd(int featureId, Notification notification) {
 		checkDisposed();

 		switch (featureId) {
 		case CoreModelPackage.YLAYOUT__ELEMENTS:
 			YEmbeddable yElement = (YEmbeddable) notification.getNewValue();

 			IEmbeddableEditpart editPart = (IEmbeddableEditpart) getEditpart(viewContext, yElement);
 			internalAddElement(editPart);

 			// handle the presentation
 			//
 			if (isPresentationPresent()) {
 				ILayoutPresentation<?> presenter = getPresentation();
 				int index = notification.getPosition();
 				if (index < 0 || index >= getElements().size() - 1) {
 					presenter.add(editPart);
 				} else {
 					presenter.insert(editPart, index);
 				}
 			}
 			break;
 		default:
 			break;
 		}
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	protected void handleModelSet(int featureId, Notification notification) {

 		if (notification.getFeature() == CoreModelPackage.Literals.YSPACINGABLE__SPACING
 				|| notification.getFeature() == CoreModelPackage.Literals.YMARGINABLE__MARGIN) {
 			if (isRendered()) {
 				getPresentation().updateSpacings();
 			}
 		} else {
 			super.handleModelSet(featureId, notification);
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.emf.ElementEditpart#handleModelMove(int, org.eclipse.emf.common.notify.Notification)
 	 */
 	@Override
 	protected void handleModelMove(int featureId, Notification notification) {
 		checkDisposed();

 		switch (featureId) {
 		case CoreModelPackage.YLAYOUT__ELEMENTS:
 			YEmbeddable yElement = (YEmbeddable) notification.getNewValue();

 			IEmbeddableEditpart editPart = (IEmbeddableEditpart) getEditpart(viewContext, yElement);
 			internalMoveElement(editPart, notification.getPosition());

 			// handle the presentation
 			//
 			if (isPresentationPresent()) {
 				ILayoutPresentation<?> presenter = getPresentation();
 				presenter.move(editPart, notification.getPosition());
 			}
 			break;
 		default:
 			break;
 		}
 	}

 	/**
 	 * Returns true, if the presenter is present.
 	 *
 	 * @return true, if is presentation present
 	 */
 	protected boolean isPresentationPresent() {
 		return internalGetPresentation() != null;
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	protected void handleModelRemove(int featureId, Notification notification) {
 		checkDisposed();

 		switch (featureId) {
 		case CoreModelPackage.YLAYOUT__ELEMENTS:
 			YEmbeddable yElement = (YEmbeddable) notification.getOldValue();

 			IEmbeddableEditpart editPart = (IEmbeddableEditpart) getEditpart(viewContext, yElement);
 			internalRemoveElement(editPart);

 			// handle the presentation
 			//
 			if (isPresentationPresent()) {
 				ILayoutPresentation<?> presenter = getPresentation();
 				presenter.remove(editPart);
 			}
 			editPart.unrender();
 			break;
 		default:
 			break;
 		}
 	}

 	// /**
 	// * {@inheritDoc}
 	// */
 	// protected void handleModel_Move(int featureId, Notification notification)
 	// {
 	// checkDisposed();
 	//
 	// switch (featureId) {
 	// case UiModelPackage.YUI_LAYOUT__ELEMENTS:
 	// YUiEmbeddable yElement = (YUiEmbeddable) notification.getNewValue();
 	// internalAddElement((IUiEmbeddableEditpart) getEditpart(yElement));
 	// break;
 	// }
 	// }

 	/**
 	 * Is called to change the internal state and add the given editpart to the
 	 * list of elements.
 	 *
 	 * @param editpart
 	 *            The editpart to be added
 	 */
 	protected void internalAddElement(IEmbeddableEditpart editpart) {
 		checkDisposed();

 		if (uiElementEditparts == null) {
 			internalLoadElements();
 		}
 		if (!uiElementEditparts.contains(editpart)) {
 			uiElementEditparts.add(editpart);
 		}
 	}

 	/**
 	 * Is called to change the internal state and to move the given editpart in
 	 * the list of elements.
 	 *
 	 * @param editpart
 	 *            The editpart to be inserted
 	 * @param index
 	 *            The index to move the element.
 	 */
 	protected void internalMoveElement(IEmbeddableEditpart editpart, int index) {
 		checkDisposed();

 		if (uiElementEditparts == null) {
 			internalLoadElements();
 		} else if (!uiElementEditparts.contains(editpart)) {
 			throw new RuntimeException(String.format(
 					"Editpart %s is not contained in elements",
 					editpart.getId()));
 		} else {
 			uiElementEditparts.remove(editpart);
 			uiElementEditparts.add(index, editpart);
 		}
 	}

 	/**
 	 * Is called to change the internal state and remove the given editpart from
 	 * the list of elements.
 	 *
 	 * @param editpart
 	 *            The editpart to be removed
 	 */
 	protected void internalRemoveElement(IEmbeddableEditpart editpart) {
 		checkDisposed();

 		if (uiElementEditparts != null && editpart != null) {
 			uiElementEditparts.remove(editpart);
 		}
 	}

 	/**
 	 * Is called to load and initialize all elements.
 	 */
 	protected void internalLoadElements() {
 		checkDisposed();

 		if (uiElementEditparts == null) {
 			uiElementEditparts = new ArrayList<IEmbeddableEditpart>();
 			for (YEmbeddable yElement : getModel().getElements()) {
 				IEmbeddableEditpart editPart = getEditpart(viewContext, yElement);
 				internalAddElement(editPart);
 			}
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.emf.EmbeddableEditpart#getPresentation()
 	 */
 	@SuppressWarnings("unchecked")
 	@Override
 	public ILayoutPresentation<?> getPresentation() {
 		return super.getPresentation();
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.datatypes.IDatatypeEditpart.DatatypeBridge#getDatatypeValidators()
 	 */
 	@Override
 	public List<IValidatorEditpart> getDatatypeValidators() {
 		return Collections.emptyList();
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableParent#renderChild(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
 	 */
 	@Override
 	public void renderChild(IEmbeddableEditpart child) {
 		int index = getElements().indexOf(child);
 		if (index < 0) {
 			// if a disposed editpart become repainted, then add it to the list
 			// again
 			index = getModel().getElements().indexOf(child.getModel());
 			if (index < 0) {
 				throw new IllegalArgumentException(
 						String.format(
 								"The element %s is not contained in the current editpart %s",
 								child.toString(), toString()));
 			}
 			uiElementEditparts.add(index, child);
 		}

 		getPresentation().insert(child, index);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableParent#unrenderChild(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
 	 */
 	@Override
 	public void unrenderChild(IEmbeddableEditpart child) {
 		// first remove the child presentation from the current presentation
 		getPresentation().remove(child);

 		// then tell the child editpart to unrender its own presentation
 		child.unrender();
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.emf.EmbeddableEditpart#unrender()
 	 */
 	@Override
 	public void unrender() {
 		if (internalGetPresentation() == null) {
 			return;
 		}

 		getPresentation().unrender();

 		// if (uiElementEditparts != null) {
 		// for (IEmbeddableEditpart child : uiElementEditparts
 		// .toArray(new IEmbeddableEditpart[uiElementEditparts.size()])) {
 		//
 		// child.unrender();
 		// }
 		// }

 		super.unrender();
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableParent#disposeChild(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
 	 */
 	@Override
 	public void disposeChild(IEmbeddableEditpart child) {
 		// first remove the child presentation from the current presentation
 		ILayoutPresentation<?> presentation = getPresentation();
 		if (presentation != null) {
 			presentation.remove(child);
 		}

 		// then tell the child editpart to dispose itself
 		child.dispose();
 	}
 }
	/**
	* Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
	* 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:
	* Florian Pirchner - Initial implementation
	*/
	package org.eclipse.osbp.ecview.core.common.editpart.emf;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.List;

	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart;
	import org.eclipse.osbp.ecview.core.common.editpart.ILayoutEditpart;
	import org.eclipse.osbp.ecview.core.common.editpart.validation.IValidatorEditpart;
	import org.eclipse.osbp.ecview.core.common.model.core.CoreModelPackage;
	import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddable;
	import org.eclipse.osbp.ecview.core.common.model.core.YLayout;
	import org.eclipse.osbp.ecview.core.common.presentation.ILayoutPresentation;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	// TODO: Auto-generated Javadoc
	/**
	* An implementation of {@link ILayoutEditpart}.
	*
	* @param <M>
	* the generic type
	*/
	public class LayoutEditpart<M extends YLayout> extends EmbeddableEditpart<M>
	implements ILayoutEditpart {

	/** The Constant LOGGER. */
	private static final Logger LOGGER = LoggerFactory
	.getLogger(LayoutEditpart.class);

	/** The ui element editparts. */
	private List<IEmbeddableEditpart> uiElementEditparts;

	/**
	* Default constructor.
	*/
	public LayoutEditpart() {

	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.ILayoutEditpart#getElements()
	*/
	@Override
	public List<IEmbeddableEditpart> getElements() {
	if (uiElementEditparts == null) {
	internalLoadElements();
	}
	return Collections.unmodifiableList(uiElementEditparts);
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.emf.EmbeddableEditpart#internalDispose()
	*/
	@Override
	protected void internalDispose() {
	try {
	// lazy loading: edit parts also have to be disposed if they have
	// not been loaded yet,
	// but exist in the model.
	if (uiElementEditparts != null
	\|\| getModel().getElements().size() > 0) {
	List<IEmbeddableEditpart> tempElements = getElements();
	synchronized (uiElementEditparts) {
	for (IEmbeddableEditpart editpart : tempElements
	.toArray(new IEmbeddableEditpart[tempElements
	.size()])) {
	editpart.dispose();
	}
	}
	uiElementEditparts = null;
	}
	} finally {
	super.internalDispose();
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.ILayoutEditpart#addElement(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
	*/
	@Override
	public void addElement(IEmbeddableEditpart element) {
	try {
	checkDisposed();

	// add the element by using the model
	//
	M yLayout = getModel();
	YEmbeddable yElement = (YEmbeddable) element.getModel();
	yLayout.getElements().add(yElement);
	// BEGIN SUPRESS CATCH EXCEPTION
	} catch (RuntimeException e) {
	// END SUPRESS CATCH EXCEPTION
	LOGGER.error("{}", e);
	throw e;
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.ILayoutEditpart#removeElement(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
	*/
	@Override
	public void removeElement(IEmbeddableEditpart element) {
	try {
	checkDisposed();

	// remove the element by using the model
	//
	M yLayout = getModel();
	YEmbeddable yElement = (YEmbeddable) element.getModel();
	yLayout.getElements().remove(yElement);
	// BEGIN SUPRESS CATCH EXCEPTION
	} catch (RuntimeException e) {
	// END SUPRESS CATCH EXCEPTION
	LOGGER.error("{}", e);
	throw e;
	}
	}

	/**
	* {@inheritDoc}
	*/
	protected void handleModelAdd(int featureId, Notification notification) {
	checkDisposed();

	switch (featureId) {
	case CoreModelPackage.YLAYOUT__ELEMENTS:
	YEmbeddable yElement = (YEmbeddable) notification.getNewValue();

	IEmbeddableEditpart editPart = (IEmbeddableEditpart) getEditpart(viewContext, yElement);
	internalAddElement(editPart);

	// handle the presentation
	//
	if (isPresentationPresent()) {
	ILayoutPresentation<?> presenter = getPresentation();
	int index = notification.getPosition();
	if (index < 0 \|\| index >= getElements().size() - 1) {
	presenter.add(editPart);
	} else {
	presenter.insert(editPart, index);
	}
	}
	break;
	default:
	break;
	}
	}

	/**
	* {@inheritDoc}
	*/
	protected void handleModelSet(int featureId, Notification notification) {

	if (notification.getFeature() == CoreModelPackage.Literals.YSPACINGABLE__SPACING
	\|\| notification.getFeature() == CoreModelPackage.Literals.YMARGINABLE__MARGIN) {
	if (isRendered()) {
	getPresentation().updateSpacings();
	}
	} else {
	super.handleModelSet(featureId, notification);
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.emf.ElementEditpart#handleModelMove(int, org.eclipse.emf.common.notify.Notification)
	*/
	@Override
	protected void handleModelMove(int featureId, Notification notification) {
	checkDisposed();

	switch (featureId) {
	case CoreModelPackage.YLAYOUT__ELEMENTS:
	YEmbeddable yElement = (YEmbeddable) notification.getNewValue();

	IEmbeddableEditpart editPart = (IEmbeddableEditpart) getEditpart(viewContext, yElement);
	internalMoveElement(editPart, notification.getPosition());

	// handle the presentation
	//
	if (isPresentationPresent()) {
	ILayoutPresentation<?> presenter = getPresentation();
	presenter.move(editPart, notification.getPosition());
	}
	break;
	default:
	break;
	}
	}

	/**
	* Returns true, if the presenter is present.
	*
	* @return true, if is presentation present
	*/
	protected boolean isPresentationPresent() {
	return internalGetPresentation() != null;
	}

	/**
	* {@inheritDoc}
	*/
	protected void handleModelRemove(int featureId, Notification notification) {
	checkDisposed();

	switch (featureId) {
	case CoreModelPackage.YLAYOUT__ELEMENTS:
	YEmbeddable yElement = (YEmbeddable) notification.getOldValue();

	IEmbeddableEditpart editPart = (IEmbeddableEditpart) getEditpart(viewContext, yElement);
	internalRemoveElement(editPart);

	// handle the presentation
	//
	if (isPresentationPresent()) {
	ILayoutPresentation<?> presenter = getPresentation();
	presenter.remove(editPart);
	}
	editPart.unrender();
	break;
	default:
	break;
	}
	}

	// /**
	// * {@inheritDoc}
	// */
	// protected void handleModel_Move(int featureId, Notification notification)
	// {
	// checkDisposed();
	//
	// switch (featureId) {
	// case UiModelPackage.YUI_LAYOUT__ELEMENTS:
	// YUiEmbeddable yElement = (YUiEmbeddable) notification.getNewValue();
	// internalAddElement((IUiEmbeddableEditpart) getEditpart(yElement));
	// break;
	// }
	// }

	/**
	* Is called to change the internal state and add the given editpart to the
	* list of elements.
	*
	* @param editpart
	* The editpart to be added
	*/
	protected void internalAddElement(IEmbeddableEditpart editpart) {
	checkDisposed();

	if (uiElementEditparts == null) {
	internalLoadElements();
	}
	if (!uiElementEditparts.contains(editpart)) {
	uiElementEditparts.add(editpart);
	}
	}

	/**
	* Is called to change the internal state and to move the given editpart in
	* the list of elements.
	*
	* @param editpart
	* The editpart to be inserted
	* @param index
	* The index to move the element.
	*/
	protected void internalMoveElement(IEmbeddableEditpart editpart, int index) {
	checkDisposed();

	if (uiElementEditparts == null) {
	internalLoadElements();
	} else if (!uiElementEditparts.contains(editpart)) {
	throw new RuntimeException(String.format(
	"Editpart %s is not contained in elements",
	editpart.getId()));
	} else {
	uiElementEditparts.remove(editpart);
	uiElementEditparts.add(index, editpart);
	}
	}

	/**
	* Is called to change the internal state and remove the given editpart from
	* the list of elements.
	*
	* @param editpart
	* The editpart to be removed
	*/
	protected void internalRemoveElement(IEmbeddableEditpart editpart) {
	checkDisposed();

	if (uiElementEditparts != null && editpart != null) {
	uiElementEditparts.remove(editpart);
	}
	}

	/**
	* Is called to load and initialize all elements.
	*/
	protected void internalLoadElements() {
	checkDisposed();

	if (uiElementEditparts == null) {
	uiElementEditparts = new ArrayList<IEmbeddableEditpart>();
	for (YEmbeddable yElement : getModel().getElements()) {
	IEmbeddableEditpart editPart = getEditpart(viewContext, yElement);
	internalAddElement(editPart);
	}
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.emf.EmbeddableEditpart#getPresentation()
	*/
	@SuppressWarnings("unchecked")
	@Override
	public ILayoutPresentation<?> getPresentation() {
	return super.getPresentation();
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.datatypes.IDatatypeEditpart.DatatypeBridge#getDatatypeValidators()
	*/
	@Override
	public List<IValidatorEditpart> getDatatypeValidators() {
	return Collections.emptyList();
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableParent#renderChild(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
	*/
	@Override
	public void renderChild(IEmbeddableEditpart child) {
	int index = getElements().indexOf(child);
	if (index < 0) {
	// if a disposed editpart become repainted, then add it to the list
	// again
	index = getModel().getElements().indexOf(child.getModel());
	if (index < 0) {
	throw new IllegalArgumentException(
	String.format(
	"The element %s is not contained in the current editpart %s",
	child.toString(), toString()));
	}
	uiElementEditparts.add(index, child);
	}

	getPresentation().insert(child, index);
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableParent#unrenderChild(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
	*/
	@Override
	public void unrenderChild(IEmbeddableEditpart child) {
	// first remove the child presentation from the current presentation
	getPresentation().remove(child);

	// then tell the child editpart to unrender its own presentation
	child.unrender();
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.emf.EmbeddableEditpart#unrender()
	*/
	@Override
	public void unrender() {
	if (internalGetPresentation() == null) {
	return;
	}

	getPresentation().unrender();

	// if (uiElementEditparts != null) {
	// for (IEmbeddableEditpart child : uiElementEditparts
	// .toArray(new IEmbeddableEditpart[uiElementEditparts.size()])) {
	//
	// child.unrender();
	// }
	// }

	super.unrender();
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableParent#disposeChild(org.eclipse.osbp.ecview.core.common.editpart.IEmbeddableEditpart)
	*/
	@Override
	public void disposeChild(IEmbeddableEditpart child) {
	// first remove the child presentation from the current presentation
	ILayoutPresentation<?> presentation = getPresentation();
	if (presentation != null) {
	presentation.remove(child);
	}

	// then tell the child editpart to dispose itself
	child.dispose();
	}
	}