| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2007 IBM Corporation and others. |
| // 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: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| /** |
| * |
| */ |
| package org.eclipse.epf.diagram.core.commands; |
| |
| import java.io.File; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.emf.common.command.AbstractCommand; |
| import org.eclipse.epf.diagram.core.DiagramCorePlugin; |
| import org.eclipse.epf.diagram.core.services.DiagramHelper; |
| import org.eclipse.epf.diagram.core.services.DiagramManager; |
| import org.eclipse.epf.diagram.core.services.DiagramService; |
| import org.eclipse.epf.library.edit.command.DeleteMethodElementCommand; |
| import org.eclipse.epf.library.edit.command.IResourceAwareCommand; |
| import org.eclipse.epf.persistence.FileManager; |
| import org.eclipse.epf.uma.Activity; |
| import org.eclipse.epf.uma.MethodElement; |
| import org.eclipse.epf.uma.Process; |
| import org.eclipse.gmf.runtime.common.ui.services.editor.EditorService; |
| import org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor; |
| import org.eclipse.gmf.runtime.notation.Diagram; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Command to delete the diagram/diagram element of given Activity/CP, this command is performed |
| * through nested commands in {@link DeleteMethodElementCommand}. |
| * @author Shashidhar Kannoori |
| */ |
| public class DeleteDiagramCommand extends AbstractCommand implements IResourceAwareCommand { |
| |
| private Collection elementsToRemove; |
| private Process targetProcess; |
| private DiagramManager dMgr = null; |
| |
| /** |
| * |
| */ |
| public DeleteDiagramCommand(Collection elementsToRemove, Process targetProcess) { |
| this.elementsToRemove = elementsToRemove; |
| this.targetProcess = targetProcess; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.emf.common.command.Command#execute() |
| */ |
| public void execute() { |
| DiagramService diagramSvc = new DiagramService(); |
| try { |
| for (Iterator iter = elementsToRemove.iterator(); iter.hasNext();) { |
| MethodElement element = (MethodElement) iter.next(); |
| if (element instanceof Activity) { |
| Collection<Diagram> diagrams = diagramSvc |
| .getDiagrams((Activity) element); |
| for (Iterator iterator = diagrams.iterator(); iterator |
| .hasNext();) { |
| Diagram diagram = (Diagram) iterator.next(); |
| if (diagram != null) { |
| // Before deleting close opened diagram editors. |
| closeDiagramEditor(diagram); |
| // Delete Diagram. |
| DiagramHelper.deleteDiagram(diagram, true); |
| } |
| } |
| } |
| } |
| } catch (Exception e) { |
| DiagramCorePlugin.getDefault().getLogger().logError(e); |
| } |
| finally { |
| diagramSvc.dispose(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.emf.common.command.Command#redo() |
| */ |
| public void redo() { |
| execute(); |
| } |
| |
| private DiagramManager getDiagramManager() { |
| if(dMgr == null) { |
| dMgr = DiagramManager.getInstance(targetProcess, this); |
| } |
| return dMgr; |
| } |
| |
| public Collection getModifiedResources() { |
| DiagramManager dMgr = getDiagramManager(); |
| HashSet<Object> modifiedResources = new HashSet<Object>(); |
| boolean fileExist = true; |
| try { |
| if (dMgr != null && dMgr.getResource() != null |
| && !dMgr.getResource().getContents().isEmpty()) { |
| File file = new File(FileManager.toFileString(dMgr |
| .getResource().getURI())); |
| if (!file.exists()) |
| fileExist = false; |
| if (fileExist) |
| modifiedResources.add(dMgr.getResource()); |
| } |
| } catch (Exception e) { |
| DiagramCorePlugin.getDefault().getLogger().logError(e); |
| } |
| return modifiedResources; |
| } |
| |
| @Override |
| public boolean canExecute() { |
| return targetProcess != null; |
| } |
| |
| @Override |
| public void dispose() { |
| if(dMgr != null){ |
| dMgr.removeConsumer(this); |
| } |
| super.dispose(); |
| } |
| |
| private void closeDiagramEditor(Diagram diagram){ |
| List editors = EditorService.getInstance().getRegisteredEditorParts(); |
| Iterator it = editors.iterator(); |
| while (it.hasNext()) { |
| Object obj = it.next(); |
| |
| if (obj instanceof DiagramEditor) { |
| DiagramEditor diagramEditor = ((DiagramEditor) obj); |
| if (diagramEditor.getDiagram().equals(diagram)) { |
| //it's already open, just close it. |
| PlatformUI.getWorkbench().getActiveWorkbenchWindow() |
| .getActivePage().activate(diagramEditor); |
| PlatformUI.getWorkbench().getActiveWorkbenchWindow() |
| .getActivePage().closeEditor(diagramEditor, false); |
| } |
| } |
| } |
| } |
| |
| } |