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Adding a Listener to refresh SemanticView after model change.
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...rg/polarsys/capella/core/ui/semantic/browser/view/SemanticBrowserModelChangeListener.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2023 THALES GLOBAL SERVICES. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0 | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Obeo - initial API and implementation | ||
| *******************************************************************************/ | ||
| package org.polarsys.capella.core.ui.semantic.browser.view; | ||
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|
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| import org.eclipse.emf.common.notify.Notification; | ||
| import org.eclipse.emf.ecore.EObject; | ||
| import org.eclipse.emf.transaction.NotificationFilter; | ||
| import org.eclipse.emf.transaction.ResourceSetChangeEvent; | ||
| import org.eclipse.emf.transaction.ResourceSetListenerImpl; | ||
| import org.eclipse.emf.transaction.TransactionalEditingDomain; | ||
| import org.eclipse.sirius.business.api.session.Session; | ||
| import org.eclipse.sirius.business.api.session.SessionManager; | ||
| import org.eclipse.sirius.common.ui.tools.api.util.EclipseUIUtil; | ||
| import org.polarsys.capella.common.platform.sirius.ted.SemanticEditingDomainFactory.SemanticResourceSet; | ||
| import org.polarsys.capella.core.data.capellamodeller.util.CapellamodellerResourceImpl; | ||
|
|
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| /** | ||
| * Model change listener for Browser Semantic View. Allow postCommit refresh of view on model changes. | ||
| * | ||
| * @author ebausson | ||
| */ | ||
| public class SemanticBrowserModelChangeListener extends ResourceSetListenerImpl { | ||
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| private SemanticBrowserElementFilter filter; | ||
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| private TransactionalEditingDomain editingDomain; | ||
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| private SemanticBrowserView view; | ||
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| protected SemanticBrowserModelChangeListener(SemanticBrowserView view) { | ||
| super(); | ||
| this.filter = new SemanticBrowserElementFilter(); | ||
| this.view = view; | ||
| } | ||
|
|
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| // Documentation copied from the interface | ||
| @Override | ||
| public NotificationFilter getFilter() { | ||
| return filter; | ||
| } | ||
|
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| @Override | ||
| public boolean isPostcommitOnly() { | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| public void resourceSetChanged(ResourceSetChangeEvent event) { | ||
| super.resourceSetChanged(event); | ||
| if (this.view != null) { | ||
| EclipseUIUtil.displayAsyncExec(view.viewRefreshRunnable); | ||
| } | ||
| } | ||
|
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| public void changeContext(SemanticBrowserView view) { | ||
| if (view.getRootElement() != null) { | ||
| refreshSession(view); | ||
| } else { | ||
| dispose(); | ||
| } | ||
| } | ||
|
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| /* Clear listener before deletion */ | ||
| public void dispose() { | ||
| if (editingDomain != null) { | ||
| editingDomain.removeResourceSetListener(this); | ||
| this.editingDomain = null; | ||
| } | ||
| this.view = null; | ||
| } | ||
|
|
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| /** | ||
| * handle change in session and context when view change | ||
| * | ||
| * @param view | ||
| */ | ||
| private void refreshSession(SemanticBrowserView view) { | ||
| TransactionalEditingDomain newEditingDomain = resolveSession(view.getRootElement()).getTransactionalEditingDomain(); | ||
| if (editingDomain == null) { | ||
| editingDomain = newEditingDomain; | ||
| newEditingDomain.addResourceSetListener(this); | ||
| this.view = null; | ||
| } else if (editingDomain != newEditingDomain) { | ||
| editingDomain.removeResourceSetListener(this); | ||
| editingDomain = newEditingDomain; | ||
| newEditingDomain.addResourceSetListener(this); | ||
| } | ||
| this.view = view; | ||
| } | ||
|
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| private Session resolveSession(EObject eObject) { | ||
| return SessionManager.INSTANCE.getSession(eObject); | ||
| } | ||
|
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| class SemanticBrowserElementFilter extends NotificationFilter.Custom { | ||
|
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| @Override | ||
| public boolean matches(Notification notification) { | ||
| Object notifier = notification.getNotifier(); | ||
| if (notifier instanceof CapellamodellerResourceImpl) { | ||
| CapellamodellerResourceImpl capellaModellerResource = (CapellamodellerResourceImpl) notifier; | ||
| if (capellaModellerResource.getResourceSet() instanceof SemanticResourceSet) { | ||
| SemanticResourceSet resourceSet = (SemanticResourceSet) capellaModellerResource.getResourceSet(); | ||
| return resourceSet.getEditingDomain().equals(editingDomain); | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| } |
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