| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2009, 2010 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Francois Chouinard - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.linuxtools.tmf.ui.views.project.handlers; |
| 14 | |
| 15 | import org.eclipse.core.commands.AbstractHandler; |
| 16 | import org.eclipse.core.commands.ExecutionEvent; |
| 17 | import org.eclipse.core.commands.ExecutionException; |
| 18 | import org.eclipse.core.resources.IResource; |
| 19 | import org.eclipse.core.runtime.CoreException; |
| 20 | import org.eclipse.jface.viewers.ISelection; |
| 21 | import org.eclipse.jface.viewers.StructuredSelection; |
| 22 | import org.eclipse.linuxtools.tmf.ui.views.project.ProjectView; |
| 23 | import org.eclipse.linuxtools.tmf.ui.views.project.model.ITmfProjectTreeNode; |
| 24 | import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfExperimentFolderNode; |
| 25 | import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfExperimentNode; |
| 26 | import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfTraceNode; |
| 27 | import org.eclipse.ui.IWorkbenchPage; |
| 28 | import org.eclipse.ui.IWorkbenchWindow; |
| 29 | import org.eclipse.ui.PlatformUI; |
| 30 | |
| 31 | /** |
| 32 | * <b><u>DeleteTraceHandler</u></b> |
| 33 | * <p> |
| 34 | * TODO: Implement me. Please. |
| 35 | */ |
| 36 | public class DeleteTraceHandler extends AbstractHandler { |
| 37 | |
| 38 | private TmfTraceNode fTrace = null; |
| 39 | |
| 40 | // ------------------------------------------------------------------------ |
| 41 | // Validation |
| 42 | // ------------------------------------------------------------------------ |
| 43 | |
| 44 | public boolean isEnabled() { |
| 45 | |
| 46 | // Check if we are closing down |
| 47 | IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); |
| 48 | if (window == null) |
| 49 | return false; |
| 50 | |
| 51 | // Check if a trace is selected |
| 52 | IWorkbenchPage page = window.getActivePage(); |
| 53 | if (!(page.getActivePart() instanceof ProjectView)) |
| 54 | return false; |
| 55 | |
| 56 | // Check if a trace is selected |
| 57 | ISelection selection = page.getSelection(ProjectView.ID); |
| 58 | if (selection instanceof StructuredSelection) { |
| 59 | Object element = ((StructuredSelection) selection).getFirstElement(); |
| 60 | fTrace = (element instanceof TmfTraceNode) ? (TmfTraceNode) element : null; |
| 61 | } |
| 62 | |
| 63 | return (fTrace != null); |
| 64 | } |
| 65 | |
| 66 | // ------------------------------------------------------------------------ |
| 67 | // Execution |
| 68 | // ------------------------------------------------------------------------ |
| 69 | |
| 70 | public Object execute(ExecutionEvent event) throws ExecutionException { |
| 71 | |
| 72 | IResource resource = fTrace.getResource(); |
| 73 | ITmfProjectTreeNode parent = fTrace.getParent(); |
| 74 | try { |
| 75 | if (!(parent instanceof TmfExperimentNode)) { |
| 76 | // Delete the trace from every experiment where it appears |
| 77 | TmfExperimentFolderNode experimentFolder = fTrace.getProject().getExperimentsFolder(); |
| 78 | for (ITmfProjectTreeNode experiment : experimentFolder.getChildren()) { |
| 79 | for (int i = 0; i < experiment.getChildren().size(); i++) { |
| 80 | TmfTraceNode trace = (TmfTraceNode) experiment.getChildren().get(i); |
| 81 | if (trace.getResource().getLocation().equals(resource.getLocation())) { |
| 82 | experiment.removeChild(trace); |
| 83 | experiment.refresh(); |
| 84 | trace.getResource().delete(true, null); |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | } |
| 89 | parent.removeChild(fTrace); |
| 90 | parent.refresh(); |
| 91 | resource.delete(true, null); |
| 92 | } catch (CoreException e) { |
| 93 | e.printStackTrace(); |
| 94 | } |
| 95 | |
| 96 | return null; |
| 97 | } |
| 98 | |
| 99 | } |