diff options
Diffstat (limited to 'plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.navigation/src/org/eclipse/papyrus/infra/gmfdiag/navigation/CreateDiagramWithNavigationHandler.java')
| -rw-r--r-- | plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.navigation/src/org/eclipse/papyrus/infra/gmfdiag/navigation/CreateDiagramWithNavigationHandler.java | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.navigation/src/org/eclipse/papyrus/infra/gmfdiag/navigation/CreateDiagramWithNavigationHandler.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.navigation/src/org/eclipse/papyrus/infra/gmfdiag/navigation/CreateDiagramWithNavigationHandler.java deleted file mode 100644 index 3bc66d3ed60..00000000000 --- a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.navigation/src/org/eclipse/papyrus/infra/gmfdiag/navigation/CreateDiagramWithNavigationHandler.java +++ /dev/null @@ -1,173 +0,0 @@ -/*****************************************************************************
- * Copyright (c) 2010 Atos Origin.
- *
- *
- * 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:
- * Mathieu Velten (Atos Origin) mathieu.velten@atosorigin.com - Initial API and implementation
- *
- *****************************************************************************/
-package org.eclipse.papyrus.infra.gmfdiag.navigation;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-
-import org.eclipse.core.commands.AbstractHandler;
-import org.eclipse.core.commands.ExecutionEvent;
-import org.eclipse.core.commands.ExecutionException;
-import org.eclipse.core.expressions.IEvaluationContext;
-import org.eclipse.emf.ecore.EObject;
-import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
-import org.eclipse.jface.dialogs.IDialogConstants;
-import org.eclipse.jface.dialogs.MessageDialog;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.papyrus.commands.ICreationCommand;
-import org.eclipse.papyrus.commands.wrappers.GMFtoEMFCommandWrapper;
-import org.eclipse.papyrus.infra.core.extension.commands.ICreationCondition;
-import org.eclipse.papyrus.infra.core.resource.ModelSet;
-import org.eclipse.papyrus.infra.core.services.ServiceException;
-import org.eclipse.papyrus.infra.core.services.ServicesRegistry;
-import org.eclipse.papyrus.infra.core.utils.ServiceUtils;
-import org.eclipse.papyrus.infra.emf.utils.BusinessModelResolver;
-import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
-import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForHandlers;
-import org.eclipse.papyrus.infra.widgets.toolbox.dialog.InformationDialog;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.ui.handlers.HandlerUtil;
-
-/**
- * This command handler will try to create a diagram on the currently selected
- * element, using navigation if necessary. The action is always available and
- * the check is done in the run to avoid heavy navigation computation on each
- * selection change.
- *
- * @author mvelten
- *
- */
-public abstract class CreateDiagramWithNavigationHandler extends AbstractHandler {
-
- private ICreationCondition creationCondition;
-
- private ICreationCommand creationCommand;
-
- public CreateDiagramWithNavigationHandler(ICreationCommand creationCommand, ICreationCondition creationCondition) {
- super();
- this.creationCommand = creationCommand;
- this.creationCondition = creationCondition;
- }
-
- public Object execute(ExecutionEvent event) throws ExecutionException {
- NavigableElement navElement = getNavigableElementWhereToCreateDiagram(event);
- ServicesRegistry registry;
- try {
- registry = ServiceUtilsForHandlers.getInstance().getServiceRegistry(event);
- } catch (ServiceException ex) {
- Activator.log.error(ex);
- return null;
- }
-
- if(navElement == null) {
- InformationDialog dialog = new InformationDialog(Display.getCurrent().getActiveShell(), "Impossible diagram creation", "It is not possible to create this diagram on the selected element.", null, null, SWT.OK, MessageDialog.WARNING, new String[]{ IDialogConstants.OK_LABEL });
- dialog.open();
- } else {
- createDiagram(navElement, registry);
- }
- return null;
- }
-
- private NavigableElement getNavigableElementWhereToCreateDiagram(ExecutionEvent event) {
- ISelection selection = HandlerUtil.getCurrentSelection(event);
- if(selection.isEmpty()) {
- return null;
- }
-
- if(selection instanceof IStructuredSelection) {
- EObject selectedElement = EMFHelper.getEObject(((IStructuredSelection)selection).getFirstElement());
-
- if(selectedElement != null) {
- // First check if the current element can host the requested diagram
- if(creationCondition.create(selectedElement)) {
- return new ExistingNavigableElement(selectedElement, null);
- } else {
- List<NavigableElement> navElements = NavigationHelper.getInstance().getAllNavigableElements(selectedElement);
- // this will sort elements by navigation depth
- Collections.sort(navElements);
-
- for(NavigableElement navElement : navElements) {
- // ignore existing elements because we want a hierarchy to
- // be created if it is not on the current element
- if(navElement instanceof CreatedNavigableElement && creationCondition.create(navElement.getElement())) {
- return navElement;
- }
- }
- }
- }
- }
-
- return null;
- }
-
- private void createDiagram(NavigableElement navElement, ServicesRegistry registry) {
- ModelSet modelSet;
- try {
- modelSet = ServiceUtils.getInstance().getModelSet(registry);
- } catch (ServiceException ex) {
- Activator.log.error(ex);
- return;
- }
-
- if(navElement != null && modelSet != null) {
- try {
- CompositeCommand command = NavigationHelper.getLinkCreateAndOpenNavigableDiagramCommand(navElement, creationCommand, null, modelSet);
- modelSet.getTransactionalEditingDomain().getCommandStack().execute(new GMFtoEMFCommandWrapper(command));
- } catch (Exception e) {
- }
- }
- }
-
- /**
- * Resolve semantic element
- *
- * @param object
- * the object to resolve
- * @return <code>null</code> or the semantic element associated to the
- * specified object
- */
- protected EObject resolveSemanticObject(Object object) {
- if(object instanceof EObject) {
- return (EObject)object;
- }
- Object businessObject = BusinessModelResolver.getInstance().getBusinessModel(object);
- if(businessObject instanceof EObject) {
- return (EObject)businessObject;
- }
- return null;
- }
-
- @Override
- public void setEnabled(Object evaluationContext) {
- if(evaluationContext instanceof IEvaluationContext) {
- Object selectionVariable = ((IEvaluationContext)evaluationContext).getDefaultVariable();
-
- if(selectionVariable instanceof Collection<?>) {
- List<?> selection = (selectionVariable instanceof List<?>) ? (List<?>)selectionVariable : new java.util.ArrayList<Object>((Collection<?>)selectionVariable);
- if(selection.size() != 1) {
- setBaseEnabled(false);
- return;
- }
-
- EObject target = EMFHelper.getEObject(selection.get(0));
- setBaseEnabled(creationCondition.create(target));
- }
- }
- super.setEnabled(evaluationContext);
- }
-
-}
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