diff options
Diffstat (limited to 'plugins/infra/emf/org.eclipse.papyrus.infra.emf/src/org/eclipse/papyrus/infra/emf/utils/ServiceUtilsForIEvaluationContext.java')
| -rw-r--r-- | plugins/infra/emf/org.eclipse.papyrus.infra.emf/src/org/eclipse/papyrus/infra/emf/utils/ServiceUtilsForIEvaluationContext.java | 214 |
1 files changed, 107 insertions, 107 deletions
diff --git a/plugins/infra/emf/org.eclipse.papyrus.infra.emf/src/org/eclipse/papyrus/infra/emf/utils/ServiceUtilsForIEvaluationContext.java b/plugins/infra/emf/org.eclipse.papyrus.infra.emf/src/org/eclipse/papyrus/infra/emf/utils/ServiceUtilsForIEvaluationContext.java index 183fd824911..769bed77a13 100644 --- a/plugins/infra/emf/org.eclipse.papyrus.infra.emf/src/org/eclipse/papyrus/infra/emf/utils/ServiceUtilsForIEvaluationContext.java +++ b/plugins/infra/emf/org.eclipse.papyrus.infra.emf/src/org/eclipse/papyrus/infra/emf/utils/ServiceUtilsForIEvaluationContext.java @@ -1,107 +1,107 @@ -/*****************************************************************************
- * Copyright (c) 2012 Cedric Dumoulin.
- *
- * 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:
- * Cedric Dumoulin - Initial API and implementation
- *****************************************************************************/
-package org.eclipse.papyrus.infra.emf.utils;
-
-import org.eclipse.core.commands.AbstractHandler;
-import org.eclipse.core.expressions.IEvaluationContext;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.papyrus.infra.core.services.ServiceException;
-import org.eclipse.papyrus.infra.core.services.ServiceNotFoundException;
-import org.eclipse.papyrus.infra.core.services.ServicesRegistry;
-import org.eclipse.papyrus.infra.core.utils.AbstractServiceUtils;
-import org.eclipse.ui.ISources;
-import org.eclipse.ui.IWorkbenchPart;
-import org.eclipse.ui.IWorkbenchPartSite;
-
-/**
- * ServicesUtils based on the Handler's IEvaluationContext.
- * This class can be used for both the {@link AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)} and the {@link AbstractHandler#setEnabled(Object)} methods.
- *
- *
- * @author Cedric Dumoulin
- *
- */
-public class ServiceUtilsForIEvaluationContext extends AbstractServiceUtils<IEvaluationContext> {
-
- private ServiceUtilsForIEvaluationContext() {
- //Singleton
- }
-
- /**
- *
- * @see org.eclipse.papyrus.infra.core.utils.AbstractServiceUtils#getServiceRegistry(java.lang.Object)
- *
- * @param from
- * @return
- * @throws ServiceException
- */
- @Override
- public ServicesRegistry getServiceRegistry(IEvaluationContext from) throws ServiceException {
-
- IEvaluationContext evaluationContext = from;
-
- //Search for the IWorkbenchPartSite from which the ExecutionEvent is sent (May be different that the Active one)
- Object workbenchPartSite = evaluationContext.getVariable("org.eclipse.ui.IWorkbenchPartSite");
- if(workbenchPartSite instanceof IWorkbenchPartSite) {
- IWorkbenchPartSite site = (IWorkbenchPartSite)workbenchPartSite;
- Object registry = site.getAdapter(ServicesRegistry.class);
- if(registry != null && registry instanceof ServicesRegistry) {
- return (ServicesRegistry)registry;
- }
-
- //Search for the IWorkbenchPart from which the ExecutionEvent is sent (May be different that the Active one)
- IWorkbenchPart workbenchPart = site.getPart();
- registry = workbenchPart.getAdapter(ServicesRegistry.class);
- if(registry != null && registry instanceof ServicesRegistry) {
- return (ServicesRegistry)registry;
- }
- }
-
- Object selection = evaluationContext.getVariable(ISources.ACTIVE_CURRENT_SELECTION_NAME);
-
- ServicesRegistry registry;
-
- //Try to resolve the ServicesRegistry from the current selection
- if(selection instanceof ISelection && !((ISelection)selection).isEmpty()) {
- try {
- registry = ServiceUtilsForSelection.getInstance().getServiceRegistry((ISelection)selection);
- if(registry != null) {
- return registry;
- }
- } catch (ServiceException ex) {
- //Ignore and try another ServiceUtils
- }
- }
-
- //We couldn't retrieve the ServiceRegistry from the current selection.
-
- //Try to adapt the active part to the ServicesRegistry
- Object _part = evaluationContext.getVariable(ISources.ACTIVE_PART_NAME);
- if (_part instanceof IWorkbenchPart) {
- IWorkbenchPart part = (IWorkbenchPart)_part;
- registry = (ServicesRegistry)(part).getAdapter(ServicesRegistry.class);
- if(registry != null) {
- return registry;
- }
- }
-
-
- // nothing found
- throw new ServiceNotFoundException("The ServiceRegistry cannot be resolved");
- }
-
- public static ServiceUtilsForIEvaluationContext getInstance() {
- return instance;
- }
-
- private static final ServiceUtilsForIEvaluationContext instance = new ServiceUtilsForIEvaluationContext();
-}
+/***************************************************************************** + * Copyright (c) 2012 Cedric Dumoulin. + * + * 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: + * Cedric Dumoulin - Initial API and implementation + *****************************************************************************/ +package org.eclipse.papyrus.infra.emf.utils; + +import org.eclipse.core.commands.AbstractHandler; +import org.eclipse.core.expressions.IEvaluationContext; +import org.eclipse.jface.viewers.ISelection; +import org.eclipse.papyrus.infra.core.services.ServiceException; +import org.eclipse.papyrus.infra.core.services.ServiceNotFoundException; +import org.eclipse.papyrus.infra.core.services.ServicesRegistry; +import org.eclipse.papyrus.infra.core.utils.AbstractServiceUtils; +import org.eclipse.ui.ISources; +import org.eclipse.ui.IWorkbenchPart; +import org.eclipse.ui.IWorkbenchPartSite; + +/** + * ServicesUtils based on the Handler's IEvaluationContext. + * This class can be used for both the {@link AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)} and the {@link AbstractHandler#setEnabled(Object)} methods. + * + * + * @author Cedric Dumoulin + * + */ +public class ServiceUtilsForIEvaluationContext extends AbstractServiceUtils<IEvaluationContext> { + + private ServiceUtilsForIEvaluationContext() { + //Singleton + } + + /** + * + * @see org.eclipse.papyrus.infra.core.utils.AbstractServiceUtils#getServiceRegistry(java.lang.Object) + * + * @param from + * @return + * @throws ServiceException + */ + @Override + public ServicesRegistry getServiceRegistry(IEvaluationContext from) throws ServiceException { + + IEvaluationContext evaluationContext = from; + + //Search for the IWorkbenchPartSite from which the ExecutionEvent is sent (May be different that the Active one) + Object workbenchPartSite = evaluationContext.getVariable("org.eclipse.ui.IWorkbenchPartSite"); + if(workbenchPartSite instanceof IWorkbenchPartSite) { + IWorkbenchPartSite site = (IWorkbenchPartSite)workbenchPartSite; + Object registry = site.getAdapter(ServicesRegistry.class); + if(registry != null && registry instanceof ServicesRegistry) { + return (ServicesRegistry)registry; + } + + //Search for the IWorkbenchPart from which the ExecutionEvent is sent (May be different that the Active one) + IWorkbenchPart workbenchPart = site.getPart(); + registry = workbenchPart.getAdapter(ServicesRegistry.class); + if(registry != null && registry instanceof ServicesRegistry) { + return (ServicesRegistry)registry; + } + } + + Object selection = evaluationContext.getVariable(ISources.ACTIVE_CURRENT_SELECTION_NAME); + + ServicesRegistry registry; + + //Try to resolve the ServicesRegistry from the current selection + if(selection instanceof ISelection && !((ISelection)selection).isEmpty()) { + try { + registry = ServiceUtilsForSelection.getInstance().getServiceRegistry((ISelection)selection); + if(registry != null) { + return registry; + } + } catch (ServiceException ex) { + //Ignore and try another ServiceUtils + } + } + + //We couldn't retrieve the ServiceRegistry from the current selection. + + //Try to adapt the active part to the ServicesRegistry + Object _part = evaluationContext.getVariable(ISources.ACTIVE_PART_NAME); + if (_part instanceof IWorkbenchPart) { + IWorkbenchPart part = (IWorkbenchPart)_part; + registry = (ServicesRegistry)(part).getAdapter(ServicesRegistry.class); + if(registry != null) { + return registry; + } + } + + + // nothing found + throw new ServiceNotFoundException("The ServiceRegistry cannot be resolved"); //$NON-NLS-1$ + } + + public static ServiceUtilsForIEvaluationContext getInstance() { + return instance; + } + + private static final ServiceUtilsForIEvaluationContext instance = new ServiceUtilsForIEvaluationContext(); +} |