diff options
Diffstat (limited to 'plugins/sysml/modelexplorer/org.eclipse.papyrus.sysml.modelexplorer/src/org/eclipse/papyrus/sysml/modelexplorer/handler/AbstractCommandHandler.java')
| -rw-r--r-- | plugins/sysml/modelexplorer/org.eclipse.papyrus.sysml.modelexplorer/src/org/eclipse/papyrus/sysml/modelexplorer/handler/AbstractCommandHandler.java | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/plugins/sysml/modelexplorer/org.eclipse.papyrus.sysml.modelexplorer/src/org/eclipse/papyrus/sysml/modelexplorer/handler/AbstractCommandHandler.java b/plugins/sysml/modelexplorer/org.eclipse.papyrus.sysml.modelexplorer/src/org/eclipse/papyrus/sysml/modelexplorer/handler/AbstractCommandHandler.java deleted file mode 100644 index 6ff029ddce3..00000000000 --- a/plugins/sysml/modelexplorer/org.eclipse.papyrus.sysml.modelexplorer/src/org/eclipse/papyrus/sysml/modelexplorer/handler/AbstractCommandHandler.java +++ /dev/null @@ -1,167 +0,0 @@ -/*****************************************************************************
- * Copyright (c) 2010-2011 CEA LIST.
- *
- *
- * 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:
- *
- * Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
- *
- *****************************************************************************/
-package org.eclipse.papyrus.sysml.modelexplorer.handler;
-
-import org.eclipse.core.commands.AbstractHandler;
-import org.eclipse.core.commands.ExecutionEvent;
-import org.eclipse.core.commands.ExecutionException;
-import org.eclipse.core.runtime.IAdaptable;
-import org.eclipse.emf.common.command.Command;
-import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.ecore.EReference;
-import org.eclipse.emf.facet.infra.browser.uicore.internal.model.LinkItem;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.papyrus.infra.core.services.ServiceException;
-import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForHandlers;
-import org.eclipse.papyrus.sysml.modelexplorer.Activator;
-import org.eclipse.papyrus.views.modelexplorer.CommandContext;
-import org.eclipse.papyrus.views.modelexplorer.ICommandContext;
-import org.eclipse.ui.IWorkbenchWindow;
-import org.eclipse.ui.PlatformUI;
-
-/**
- * <pre>
- *
- * This abstract command handler manages:
- * - current selection in order to build a list of the selected {@link EObject}
- * - execute the command (returned by children) in Papyrus {@link TransactionalEditingDomain}
- * - calculate the command enablement and visibility regarding the command executability
- * (the command is now shown in menu if not executable).
- *
- * </pre>
- */
-public abstract class AbstractCommandHandler extends AbstractHandler {
-
- /**
- * <pre>
- *
- * Returns the command to execute (to be implemented
- * in children implementing this class)
- *
- * @return the command to execute
- *
- * </pre>
- */
- protected abstract Command getCommand();
-
- /**
- * <pre>
- * Parse current selection and extract the command context (can be null).
- *
- * @return the command context based on current selection
- * </pre>
- */
- protected ICommandContext getCommandContext() {
-
- // Get current selection from workbench
- IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
- Object selection = (activeWorkbenchWindow != null) ? activeWorkbenchWindow.getSelectionService().getSelection() : null;
-
- // If the selection is null, return null command context.
- if(selection == null) {
- return null;
- }
-
- // Get first element if the selection is an IStructuredSelection
- if(selection instanceof IStructuredSelection) {
- IStructuredSelection structuredSelection = (IStructuredSelection)selection;
- selection = structuredSelection.getFirstElement();
- }
-
- // Treat non-null selected object (try to adapt and return EObject or EReference)
- EObject container = null;
- EReference reference = null;
-
- if(selection instanceof IAdaptable) {
-
- container = (EObject)((IAdaptable)selection).getAdapter(EObject.class);
-
- if(container == null) {
- reference = (EReference)((IAdaptable)selection).getAdapter(EReference.class);
-
- // The following part introduce a dependency to EMF Facet.
- // Although the selection can be adapted to EReference, the link parent is required but
- // no API allows to get this element except LinkItem or ITreeElement.
- if((reference != null) && (selection instanceof LinkItem)) {
- container = ((LinkItem)selection).getParent();
- }
- }
- }
-
- // Prepare the command context
- ICommandContext context = null;
- if(container != null) {
- if(reference != null) {
- context = new CommandContext(container, reference);
- } else {
- context = new CommandContext(container);
- }
- }
-
- // Return the context
- return context;
- }
-
-
-
- /**
- *
- * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
- *
- * @param event
- * @return null
- * @throws ExecutionException
- */
- public Object execute(ExecutionEvent event) throws ExecutionException {
-
- Command creationcommand = null;
-
- try {
-
- ServiceUtilsForHandlers util = ServiceUtilsForHandlers.getInstance();
- creationcommand = getCommand();
-
- util.getTransactionalEditingDomain(event).getCommandStack().execute(creationcommand);
-
- return creationcommand.getResult();
-
- } catch (ServiceException e) {
-
- Activator.log.error("Unexpected error while executing command.", e);
-
- }
-
- return null;
- }
-
- /**
- *
- * @see org.eclipse.core.commands.AbstractHandler#isEnabled()
- *
- * @return true (enabled) when the command can be executed.
- */
- @Override
- public boolean isEnabled() {
- return getCommand().canExecute();
- }
-
- /**
- *
- * @return true (visible) when the command can be executed.
- */
- public boolean isVisible() {
- return getCommand().canExecute();
- }
-}
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