| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2012, 2014 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 | * Bernd Hufmann - Initial API and implementation |
| 11 | * Patrick Tasse - Close editors to release resources |
| 12 | *******************************************************************************/ |
| 13 | |
| 14 | package org.eclipse.linuxtools.internal.tmf.ui.project.handlers; |
| 15 | |
| 16 | import java.lang.reflect.InvocationTargetException; |
| 17 | import java.util.ArrayList; |
| 18 | import java.util.Arrays; |
| 19 | import java.util.Comparator; |
| 20 | import java.util.HashSet; |
| 21 | import java.util.Iterator; |
| 22 | import java.util.List; |
| 23 | import java.util.Set; |
| 24 | |
| 25 | import org.eclipse.core.commands.AbstractHandler; |
| 26 | import org.eclipse.core.commands.ExecutionEvent; |
| 27 | import org.eclipse.core.commands.ExecutionException; |
| 28 | import org.eclipse.core.resources.IProject; |
| 29 | import org.eclipse.core.resources.IResource; |
| 30 | import org.eclipse.core.runtime.CoreException; |
| 31 | import org.eclipse.core.runtime.IProgressMonitor; |
| 32 | import org.eclipse.core.runtime.OperationCanceledException; |
| 33 | import org.eclipse.core.runtime.SubMonitor; |
| 34 | import org.eclipse.jface.dialogs.MessageDialog; |
| 35 | import org.eclipse.jface.viewers.ISelection; |
| 36 | import org.eclipse.jface.viewers.IStructuredSelection; |
| 37 | import org.eclipse.jface.window.Window; |
| 38 | import org.eclipse.linuxtools.internal.tmf.ui.Activator; |
| 39 | import org.eclipse.linuxtools.internal.tmf.ui.project.dialogs.SelectSupplementaryResourcesDialog; |
| 40 | import org.eclipse.linuxtools.internal.tmf.ui.project.operations.TmfWorkspaceModifyOperation; |
| 41 | import org.eclipse.linuxtools.tmf.ui.project.model.TmfCommonProjectElement; |
| 42 | import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement; |
| 43 | import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement; |
| 44 | import org.eclipse.osgi.util.NLS; |
| 45 | import org.eclipse.swt.widgets.Display; |
| 46 | import org.eclipse.ui.IWorkbenchWindow; |
| 47 | import org.eclipse.ui.PlatformUI; |
| 48 | import org.eclipse.ui.handlers.HandlerUtil; |
| 49 | |
| 50 | import com.google.common.collect.Multimap; |
| 51 | import com.google.common.collect.TreeMultimap; |
| 52 | |
| 53 | /** |
| 54 | * Handler for Delete Supplementary Files command on trace |
| 55 | */ |
| 56 | public class DeleteTraceSupplementaryFilesHandler extends AbstractHandler { |
| 57 | |
| 58 | // ------------------------------------------------------------------------ |
| 59 | // Inner classes |
| 60 | // ------------------------------------------------------------------------ |
| 61 | |
| 62 | private class ElementComparator implements Comparator<TmfCommonProjectElement> { |
| 63 | @Override |
| 64 | public int compare(TmfCommonProjectElement e1, TmfCommonProjectElement e2) { |
| 65 | return e1.getPath().toString().compareTo(e2.getPath().toString()); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | private class ResourceComparator implements Comparator<IResource> { |
| 70 | @Override |
| 71 | public int compare(IResource r1, IResource r2) { |
| 72 | return r1.getFullPath().toString().compareTo(r2.getFullPath().toString()); |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | // ------------------------------------------------------------------------ |
| 77 | // Execution |
| 78 | // ------------------------------------------------------------------------ |
| 79 | |
| 80 | @Override |
| 81 | public Object execute(ExecutionEvent event) throws ExecutionException { |
| 82 | |
| 83 | // Check if we are closing down |
| 84 | IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); |
| 85 | if (window == null) { |
| 86 | return null; |
| 87 | } |
| 88 | |
| 89 | // Get the selection |
| 90 | ISelection selection = HandlerUtil.getCurrentSelection(event); |
| 91 | if (!(selection instanceof IStructuredSelection)) { |
| 92 | return null; |
| 93 | } |
| 94 | final Multimap<TmfCommonProjectElement, IResource> resourceMap = |
| 95 | TreeMultimap.create(new ElementComparator(), new ResourceComparator()); |
| 96 | final Iterator<Object> iterator = ((IStructuredSelection) selection).iterator(); |
| 97 | |
| 98 | while (iterator.hasNext()) { |
| 99 | Object element = iterator.next(); |
| 100 | if (element instanceof TmfTraceElement) { |
| 101 | TmfTraceElement trace = (TmfTraceElement) element; |
| 102 | // If trace is under an experiment, use the original trace from the traces folder |
| 103 | trace = trace.getElementUnderTraceFolder(); |
| 104 | for (IResource resource : trace.getSupplementaryResources()) { |
| 105 | resourceMap.put(trace, resource); |
| 106 | } |
| 107 | |
| 108 | } else if (element instanceof TmfExperimentElement) { |
| 109 | TmfExperimentElement experiment = (TmfExperimentElement) element; |
| 110 | for (IResource resource : experiment.getSupplementaryResources()) { |
| 111 | resourceMap.put(experiment, resource); |
| 112 | } |
| 113 | for (TmfTraceElement trace : experiment.getTraces()) { |
| 114 | // If trace is under an experiment, use the original trace from the traces folder |
| 115 | trace = trace.getElementUnderTraceFolder(); |
| 116 | for (IResource resource : trace.getSupplementaryResources()) { |
| 117 | resourceMap.put(trace, resource); |
| 118 | } |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | final SelectSupplementaryResourcesDialog dialog = |
| 124 | new SelectSupplementaryResourcesDialog(window.getShell(), resourceMap); |
| 125 | if (dialog.open() != Window.OK) { |
| 126 | return null; |
| 127 | } |
| 128 | |
| 129 | TmfWorkspaceModifyOperation operation = new TmfWorkspaceModifyOperation() { |
| 130 | @Override |
| 131 | public void execute(IProgressMonitor monitor) throws CoreException { |
| 132 | |
| 133 | Set<IProject> projectsToRefresh = new HashSet<>(); |
| 134 | |
| 135 | // Delete the resources that were selected |
| 136 | List<IResource> allResourcesToDelete = Arrays.asList(dialog.getResources()); |
| 137 | |
| 138 | SubMonitor subMonitor = SubMonitor.convert(monitor, allResourcesToDelete.size()); |
| 139 | |
| 140 | for (final TmfCommonProjectElement element : resourceMap.keySet()) { |
| 141 | if (monitor.isCanceled()) { |
| 142 | throw new OperationCanceledException(); |
| 143 | } |
| 144 | List<IResource> traceResourcesToDelete = new ArrayList<>(resourceMap.get(element)); |
| 145 | traceResourcesToDelete.retainAll(allResourcesToDelete); |
| 146 | if (!traceResourcesToDelete.isEmpty()) { |
| 147 | subMonitor.setTaskName(NLS.bind(Messages.DeleteSupplementaryFiles_DeletionTask, element.getElementPath())); |
| 148 | // Delete the selected resources |
| 149 | Display.getDefault().syncExec(new Runnable() { |
| 150 | @Override |
| 151 | public void run() { |
| 152 | element.closeEditors(); |
| 153 | } |
| 154 | }); |
| 155 | element.deleteSupplementaryResources(traceResourcesToDelete.toArray(new IResource[0])); |
| 156 | projectsToRefresh.add(element.getProject().getResource()); |
| 157 | } |
| 158 | subMonitor.worked(traceResourcesToDelete.size()); |
| 159 | } |
| 160 | |
| 161 | subMonitor = SubMonitor.convert(monitor, projectsToRefresh.size()); |
| 162 | |
| 163 | // Refresh projects |
| 164 | Iterator<IProject> projectIterator = projectsToRefresh.iterator(); |
| 165 | while (projectIterator.hasNext()) { |
| 166 | if (monitor.isCanceled()) { |
| 167 | throw new OperationCanceledException(); |
| 168 | } |
| 169 | IProject project = projectIterator.next(); |
| 170 | subMonitor.setTaskName(NLS.bind(Messages.DeleteSupplementaryFiles_ProjectRefreshTask, project.getName())); |
| 171 | try { |
| 172 | project.refreshLocal(IResource.DEPTH_INFINITE, null); |
| 173 | } catch (CoreException e) { |
| 174 | Activator.getDefault().logError("Error refreshing project " + project, e); //$NON-NLS-1$ |
| 175 | } |
| 176 | subMonitor.worked(1); |
| 177 | } |
| 178 | } |
| 179 | }; |
| 180 | |
| 181 | try { |
| 182 | PlatformUI.getWorkbench().getProgressService().run(true, true, operation); |
| 183 | } catch (InterruptedException e) { |
| 184 | return null; |
| 185 | } catch (InvocationTargetException e) { |
| 186 | MessageDialog.openError(window.getShell(), e.toString(), e.getTargetException().toString()); |
| 187 | return null; |
| 188 | } |
| 189 | return null; |
| 190 | } |
| 191 | |
| 192 | } |