org.eclipse.osbp.ecview.extension.editparts.emf/src/org/eclipse/osbp/ecview/extension/editparts/emf/LayoutingInfoEditpart.java - osbp/org.eclipse.osbp.ecview.extension - Git at Google

 /**
  *
  *  Copyright (c) 2011, 2016 - 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 2.0
  *  which accompanies this distribution, and is available at
  *  https://www.eclipse.org/legal/epl-2.0/
  *
  *  SPDX-License-Identifier: EPL-2.0
  *
  *  Contributors:
  * 	   Florian Pirchner - Initial implementation
  *
  */
 package org.eclipse.osbp.ecview.extension.editparts.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.IViewEditpart;
 import org.eclipse.osbp.ecview.core.common.editpart.emf.ElementEditpart;
 import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddable;
 import org.eclipse.osbp.ecview.core.common.model.core.YFocusable;
 import org.eclipse.osbp.ecview.core.common.model.core.YView;
 import org.eclipse.osbp.ecview.extension.editparts.IInternalLayoutingInfoEditpart;
 import org.eclipse.osbp.ecview.extension.editparts.IInternalSuspectLayoutingInfoEditpart;
 import org.eclipse.osbp.ecview.extension.editparts.IStrategyLayoutEditpart;
 import org.eclipse.osbp.ecview.extension.editparts.ISuspectEditpart;
 import org.eclipse.osbp.ecview.extension.editparts.ISuspectLayoutingInfoEditpart;
 import org.eclipse.osbp.ecview.extension.model.YECviewPackage;
 import org.eclipse.osbp.ecview.extension.model.YLayoutingInfo;
 import org.eclipse.osbp.ecview.extension.model.YStrategyLayout;
 import org.eclipse.osbp.ecview.extension.model.YSuspectInfo;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 /**
  * Implementation of {@link ISuspectEditpart}.
  */
 public class LayoutingInfoEditpart extends ElementEditpart<YLayoutingInfo>
 		implements IInternalLayoutingInfoEditpart {

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

 	/** The suspect infos. */
 	private List<ISuspectLayoutingInfoEditpart> suspectInfos;

 	/** The content. */
 	private IEmbeddableEditpart content;

 	/** The active. */
 	private boolean active;

 	/**
 	 * A default constructor.
 	 */
 	protected LayoutingInfoEditpart() {
 	}

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

 		switch (featureId) {
 		case YECviewPackage.YLAYOUTING_INFO__ACTIVE_SUSPECT_INFOS:
 			YSuspectInfo ySuspectLayoutingInfo = (YSuspectInfo) notification
 					.getNewValue();

 			ISuspectLayoutingInfoEditpart editPart = (ISuspectLayoutingInfoEditpart) getEditpart(getContext(), ySuspectLayoutingInfo);
 			internalAddSuspectLayoutingInfo(editPart);
 			break;
 		default:
 			break;
 		}
 	}

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

 		switch (featureId) {
 		case YECviewPackage.YLAYOUTING_INFO__ACTIVE_SUSPECT_INFOS:
 			YSuspectInfo ySuspectLayoutingInfo = (YSuspectInfo) notification
 					.getOldValue();

 			ISuspectLayoutingInfoEditpart editPart = (ISuspectLayoutingInfoEditpart) getEditpart(getContext(),ySuspectLayoutingInfo);
 			internalRemoveSuspectLayoutingInfo(editPart);

 			break;
 		default:
 			break;
 		}
 	}

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

 		switch (featureId) {
 		case YECviewPackage.YLAYOUTING_INFO__CONTENT:
 			internalSetContent((YEmbeddable) notification.getNewValue());
 			break;
 		default:
 			super.handleModelSet(featureId, notification);
 		}
 	}

 	/**
 	 * Ensures that the internal bindings are loaded properly.
 	 */
 	private void ensureSuspectLayoutingInfosLoaded() {
 		if (suspectInfos == null) {
 			internalLoadSuspectLayoutingInfos();
 		}
 	}

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

 		if (suspectInfos == null) {
 			suspectInfos = new ArrayList<ISuspectLayoutingInfoEditpart>();
 			for (YSuspectInfo yBindingEP : getModel().getActiveSuspectInfos()) {
 				ISuspectLayoutingInfoEditpart editPart = getEditpart(getContext(),yBindingEP);
 				internalAddSuspectLayoutingInfo(editPart);
 			}
 		}
 	}

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

 		ensureSuspectLayoutingInfosLoaded();
 		if (!suspectInfos.contains(editpart)) {
 			suspectInfos.add(editpart);
 		}
 	}

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

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

 	/**
 	 * Gets the suspect layouting infos.
 	 *
 	 * @return the suspect layouting infos
 	 */
 	public List<ISuspectLayoutingInfoEditpart> getSuspectLayoutingInfos() {
 		ensureSuspectLayoutingInfosLoaded();
 		return Collections.unmodifiableList(suspectInfos);
 	}

 	/**
 	 * Set the new content.
 	 *
 	 * @param yEmbeddable
 	 *            the y embeddable
 	 */
 	protected void internalSetContent(YEmbeddable yEmbeddable) {
 		ensureContentLoaded();

 		IEmbeddableEditpart newContent = getEditpart(getContext(),yEmbeddable);

 		if (this.content == newContent) {
 			return;
 		}

 		IEmbeddableEditpart oldContent = this.content;
 		this.content = newContent;

 		if (oldContent != null) {
 			oldContent.dispose();
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.emf.ElementEditpart#internalDispose()
 	 */
 	@Override
 	protected void internalDispose() {
 		try {

 			LOGGER.info("Disposing " + toString());

 			active = false;
 			// lazy loading: edit parts also have to be disposed if they have
 			// not been loaded yet, but exist in the model.
 			if (suspectInfos != null
 					|| getModel().getActiveSuspectInfos().size() > 0) {
 				List<ISuspectLayoutingInfoEditpart> tempElements = getSuspectLayoutingInfos();
 				synchronized (suspectInfos) {
 					for (ISuspectLayoutingInfoEditpart editpart : tempElements
 							.toArray(new ISuspectLayoutingInfoEditpart[tempElements
 									.size()])) {
 						editpart.dispose();
 					}
 				}
 			}
 			suspectInfos = null;

 			if (content != null) {
 				content.dispose();
 				content = null;
 			}

 		} finally {
 			super.internalDispose();
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.extension.editparts.ILayoutingInfoEditpart#getView()
 	 */
 	public IViewEditpart getView() {
 		YView yView = ((YStrategyLayout) getModel().eContainer()).getView();
 		return yView != null ? (IViewEditpart) getEditpart(getContext(),yView) : null;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.extension.editparts.ILayoutingInfoEditpart#getParent()
 	 */
 	@Override
 	public IStrategyLayoutEditpart getParent() {
 		YStrategyLayout cxLayout = (YStrategyLayout) getModel().eContainer();
 		return cxLayout != null ? (IStrategyLayoutEditpart) getEditpart(getContext(),cxLayout)
 				: null;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.extension.editparts.ILayoutingInfoEditpart#getContent()
 	 */
 	@Override
 	public IEmbeddableEditpart getContent() {
 		ensureContentLoaded();
 		return content;
 	}

 	/**
 	 * Ensures that the internal bindings are loaded properly.
 	 */
 	private void ensureContentLoaded() {
 		if (content == null) {
 			content = getEditpart(getContext(),getModel().getContent());
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.extension.editparts.IInternalLayoutingInfoEditpart#activate()
 	 */
 	@Override
 	public void activate() {
 		if (active) {
 			return;
 		}

 		checkDisposed();
 		try {
 			for (ISuspectLayoutingInfoEditpart suspect : getSuspectLayoutingInfos()) {
 				((IInternalSuspectLayoutingInfoEditpart) suspect).activate();
 			}

 			// set the first field to be focused
 			if (getModel().getFirstFocus() != null) {
 				YView yView = (YView) getView().getModel();
 				YEmbeddable yTarget = getModel().getFirstFocus().getTarget();
 				if (yTarget != null && yTarget instanceof YFocusable) {
 					yView.setCurrentFocus((YFocusable) yTarget);
 				}
 			}

 		} finally {
 			active = true;
 		}
 	}

 	@Override
 	public void postActivate() {
 		for (ISuspectLayoutingInfoEditpart suspect : getSuspectLayoutingInfos()) {
 			((IInternalSuspectLayoutingInfoEditpart) suspect).postActivate();
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.editpart.emf.ElementEditpart#requestDispose()
 	 */
 	@Override
 	public void requestDispose() {
 		if (getParent() == null) {
 			return;
 		}
 		getParent().deactivate(this);
 	}
 }
	/**
	*
	* Copyright (c) 2011, 2016 - 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 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Florian Pirchner - Initial implementation
	*
	*/
	package org.eclipse.osbp.ecview.extension.editparts.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.IViewEditpart;
	import org.eclipse.osbp.ecview.core.common.editpart.emf.ElementEditpart;
	import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddable;
	import org.eclipse.osbp.ecview.core.common.model.core.YFocusable;
	import org.eclipse.osbp.ecview.core.common.model.core.YView;
	import org.eclipse.osbp.ecview.extension.editparts.IInternalLayoutingInfoEditpart;
	import org.eclipse.osbp.ecview.extension.editparts.IInternalSuspectLayoutingInfoEditpart;
	import org.eclipse.osbp.ecview.extension.editparts.IStrategyLayoutEditpart;
	import org.eclipse.osbp.ecview.extension.editparts.ISuspectEditpart;
	import org.eclipse.osbp.ecview.extension.editparts.ISuspectLayoutingInfoEditpart;
	import org.eclipse.osbp.ecview.extension.model.YECviewPackage;
	import org.eclipse.osbp.ecview.extension.model.YLayoutingInfo;
	import org.eclipse.osbp.ecview.extension.model.YStrategyLayout;
	import org.eclipse.osbp.ecview.extension.model.YSuspectInfo;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	/**
	* Implementation of {@link ISuspectEditpart}.
	*/
	public class LayoutingInfoEditpart extends ElementEditpart<YLayoutingInfo>
	implements IInternalLayoutingInfoEditpart {

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

	/** The suspect infos. */
	private List<ISuspectLayoutingInfoEditpart> suspectInfos;

	/** The content. */
	private IEmbeddableEditpart content;

	/** The active. */
	private boolean active;

	/**
	* A default constructor.
	*/
	protected LayoutingInfoEditpart() {
	}

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

	switch (featureId) {
	case YECviewPackage.YLAYOUTING_INFO__ACTIVE_SUSPECT_INFOS:
	YSuspectInfo ySuspectLayoutingInfo = (YSuspectInfo) notification
	.getNewValue();

	ISuspectLayoutingInfoEditpart editPart = (ISuspectLayoutingInfoEditpart) getEditpart(getContext(), ySuspectLayoutingInfo);
	internalAddSuspectLayoutingInfo(editPart);
	break;
	default:
	break;
	}
	}

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

	switch (featureId) {
	case YECviewPackage.YLAYOUTING_INFO__ACTIVE_SUSPECT_INFOS:
	YSuspectInfo ySuspectLayoutingInfo = (YSuspectInfo) notification
	.getOldValue();

	ISuspectLayoutingInfoEditpart editPart = (ISuspectLayoutingInfoEditpart) getEditpart(getContext(),ySuspectLayoutingInfo);
	internalRemoveSuspectLayoutingInfo(editPart);

	break;
	default:
	break;
	}
	}

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

	switch (featureId) {
	case YECviewPackage.YLAYOUTING_INFO__CONTENT:
	internalSetContent((YEmbeddable) notification.getNewValue());
	break;
	default:
	super.handleModelSet(featureId, notification);
	}
	}

	/**
	* Ensures that the internal bindings are loaded properly.
	*/
	private void ensureSuspectLayoutingInfosLoaded() {
	if (suspectInfos == null) {
	internalLoadSuspectLayoutingInfos();
	}
	}

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

	if (suspectInfos == null) {
	suspectInfos = new ArrayList<ISuspectLayoutingInfoEditpart>();
	for (YSuspectInfo yBindingEP : getModel().getActiveSuspectInfos()) {
	ISuspectLayoutingInfoEditpart editPart = getEditpart(getContext(),yBindingEP);
	internalAddSuspectLayoutingInfo(editPart);
	}
	}
	}

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

	ensureSuspectLayoutingInfosLoaded();
	if (!suspectInfos.contains(editpart)) {
	suspectInfos.add(editpart);
	}
	}

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

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

	/**
	* Gets the suspect layouting infos.
	*
	* @return the suspect layouting infos
	*/
	public List<ISuspectLayoutingInfoEditpart> getSuspectLayoutingInfos() {
	ensureSuspectLayoutingInfosLoaded();
	return Collections.unmodifiableList(suspectInfos);
	}

	/**
	* Set the new content.
	*
	* @param yEmbeddable
	* the y embeddable
	*/
	protected void internalSetContent(YEmbeddable yEmbeddable) {
	ensureContentLoaded();

	IEmbeddableEditpart newContent = getEditpart(getContext(),yEmbeddable);

	if (this.content == newContent) {
	return;
	}

	IEmbeddableEditpart oldContent = this.content;
	this.content = newContent;

	if (oldContent != null) {
	oldContent.dispose();
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.emf.ElementEditpart#internalDispose()
	*/
	@Override
	protected void internalDispose() {
	try {

	LOGGER.info("Disposing " + toString());

	active = false;
	// lazy loading: edit parts also have to be disposed if they have
	// not been loaded yet, but exist in the model.
	if (suspectInfos != null
	\|\| getModel().getActiveSuspectInfos().size() > 0) {
	List<ISuspectLayoutingInfoEditpart> tempElements = getSuspectLayoutingInfos();
	synchronized (suspectInfos) {
	for (ISuspectLayoutingInfoEditpart editpart : tempElements
	.toArray(new ISuspectLayoutingInfoEditpart[tempElements
	.size()])) {
	editpart.dispose();
	}
	}
	}
	suspectInfos = null;

	if (content != null) {
	content.dispose();
	content = null;
	}

	} finally {
	super.internalDispose();
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.extension.editparts.ILayoutingInfoEditpart#getView()
	*/
	public IViewEditpart getView() {
	YView yView = ((YStrategyLayout) getModel().eContainer()).getView();
	return yView != null ? (IViewEditpart) getEditpart(getContext(),yView) : null;
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.extension.editparts.ILayoutingInfoEditpart#getParent()
	*/
	@Override
	public IStrategyLayoutEditpart getParent() {
	YStrategyLayout cxLayout = (YStrategyLayout) getModel().eContainer();
	return cxLayout != null ? (IStrategyLayoutEditpart) getEditpart(getContext(),cxLayout)
	: null;
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.extension.editparts.ILayoutingInfoEditpart#getContent()
	*/
	@Override
	public IEmbeddableEditpart getContent() {
	ensureContentLoaded();
	return content;
	}

	/**
	* Ensures that the internal bindings are loaded properly.
	*/
	private void ensureContentLoaded() {
	if (content == null) {
	content = getEditpart(getContext(),getModel().getContent());
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.extension.editparts.IInternalLayoutingInfoEditpart#activate()
	*/
	@Override
	public void activate() {
	if (active) {
	return;
	}

	checkDisposed();
	try {
	for (ISuspectLayoutingInfoEditpart suspect : getSuspectLayoutingInfos()) {
	((IInternalSuspectLayoutingInfoEditpart) suspect).activate();
	}

	// set the first field to be focused
	if (getModel().getFirstFocus() != null) {
	YView yView = (YView) getView().getModel();
	YEmbeddable yTarget = getModel().getFirstFocus().getTarget();
	if (yTarget != null && yTarget instanceof YFocusable) {
	yView.setCurrentFocus((YFocusable) yTarget);
	}
	}

	} finally {
	active = true;
	}
	}

	@Override
	public void postActivate() {
	for (ISuspectLayoutingInfoEditpart suspect : getSuspectLayoutingInfos()) {
	((IInternalSuspectLayoutingInfoEditpart) suspect).postActivate();
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.editpart.emf.ElementEditpart#requestDispose()
	*/
	@Override
	public void requestDispose() {
	if (getParent() == null) {
	return;
	}
	getParent().deactivate(this);
	}
	}