org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/internal/tmf/ui/project/handlers/RenameFolderHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014, 2015 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  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.internal.tmf.ui.project.handlers;
  14
  15 import java.lang.reflect.InvocationTargetException;
  16
  17 import org.eclipse.core.commands.AbstractHandler;
  18 import org.eclipse.core.commands.ExecutionEvent;
  19 import org.eclipse.core.commands.ExecutionException;
  20 import org.eclipse.core.resources.IContainer;
  21 import org.eclipse.core.resources.IResource;
  22 import org.eclipse.core.runtime.CoreException;
  23 import org.eclipse.core.runtime.IPath;
  24 import org.eclipse.core.runtime.IProgressMonitor;
  25 import org.eclipse.core.runtime.OperationCanceledException;
  26 import org.eclipse.jface.dialogs.MessageDialog;
  27 import org.eclipse.jface.viewers.ISelection;
  28 import org.eclipse.jface.viewers.IStructuredSelection;
  29 import org.eclipse.jface.window.Window;
  30 import org.eclipse.swt.widgets.Display;
  31 import org.eclipse.tracecompass.tmf.ui.project.model.TmfExperimentElement;
  32 import org.eclipse.tracecompass.tmf.ui.project.model.TmfTraceElement;
  33 import org.eclipse.tracecompass.tmf.ui.project.model.TmfTraceFolder;
  34 import org.eclipse.tracecompass.tmf.ui.project.wizards.RenameFolderDialog;
  35 import org.eclipse.ui.IWorkbenchWindow;
  36 import org.eclipse.ui.PlatformUI;
  37 import org.eclipse.ui.actions.WorkspaceModifyOperation;
  38 import org.eclipse.ui.handlers.HandlerUtil;
  39
  40 /**
  41  * Handler for the Rename Folder command.
  42  */
  43 public class RenameFolderHandler extends AbstractHandler {
  44
  45     // ------------------------------------------------------------------------
  46     // Execution
  47     // ------------------------------------------------------------------------
  48
  49     @Override
  50     public Object execute(ExecutionEvent event) throws ExecutionException {
  51
  52         // Check if we are closing down
  53         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  54         if (window == null) {
  55             return null;
  56         }
  57
  58         ISelection selection = HandlerUtil.getCurrentSelection(event);
  59         TmfTraceFolder selectedFolder = null;
  60         if (selection instanceof IStructuredSelection) {
  61             Object element = ((IStructuredSelection) selection).getFirstElement();
  62             if (element instanceof TmfTraceFolder) {
  63                 selectedFolder = (TmfTraceFolder) element;
  64             }
  65         }
  66         if (selectedFolder == null) {
  67             return null;
  68         }
  69         final TmfTraceFolder oldFolder = selectedFolder;
  70
  71         // Fire the Rename Folder dialog
  72         RenameFolderDialog dialog = new RenameFolderDialog(window.getShell(), oldFolder);
  73         dialog.open();
  74
  75         if (dialog.getReturnCode() != Window.OK) {
  76             return null;
  77         }
  78
  79         final String newName = (String) dialog.getFirstResult();
  80
  81         IContainer parentFolder = oldFolder.getResource().getParent();
  82         final TmfTraceFolder tracesFolder = oldFolder.getProject().getTracesFolder();
  83         final IPath newFolderPath = parentFolder.getFullPath().append(newName);
  84
  85         WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
  86             @Override
  87             public void execute(IProgressMonitor monitor) throws CoreException {
  88                 try {
  89                     monitor.beginTask("", 1000); //$NON-NLS-1$
  90                     if (monitor.isCanceled()) {
  91                         throw new OperationCanceledException();
  92                     }
  93
  94                     for (final TmfTraceElement traceElement : oldFolder.getTraces()) {
  95                         Display.getDefault().syncExec(new Runnable() {
  96                             @Override
  97                             public void run() {
  98                                 traceElement.closeEditors();
  99                             }
 100                         });
 101
 102                         IPath relativePath = traceElement.getPath().makeRelativeTo(oldFolder.getPath());
 103                         String newElementPath = newFolderPath.makeRelativeTo(tracesFolder.getPath()).append(relativePath).toString();
 104                         traceElement.renameSupplementaryFolder(newElementPath);
 105                     }
 106
 107                     oldFolder.getResource().move(newFolderPath, IResource.FORCE | IResource.SHALLOW, monitor);
 108                     if (monitor.isCanceled()) {
 109                         throw new OperationCanceledException();
 110                     }
 111                 } finally {
 112                     monitor.done();
 113                 }
 114             }
 115         };
 116
 117         try {
 118             PlatformUI.getWorkbench().getProgressService().busyCursorWhile(operation);
 119         } catch (InterruptedException e) {
 120             return null;
 121         } catch (InvocationTargetException e) {
 122             MessageDialog.openError(window.getShell(), e.toString(), e.getTargetException().toString());
 123             return null;
 124         }
 125
 126         /* We need to split the WorkspaceModifyOperation so that the new model
 127          * elements get created by the resource changed event */
 128         operation = new WorkspaceModifyOperation() {
 129             @Override
 130             protected void execute(IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException {
 131
 132                 IPath oldFolderElementPath = oldFolder.getPath().makeRelativeTo(tracesFolder.getPath());
 133                 IPath newFolderElementPath = oldFolderElementPath.removeLastSegments(1).append(newName);
 134                 for (TmfExperimentElement experiment : oldFolder.getProject().getExperimentsFolder().getExperiments()) {
 135                     for (TmfTraceElement oldTrace : experiment.getTraces()) {
 136                         if (oldTrace.getElementPath().startsWith(oldFolderElementPath.toString())) {
 137                             experiment.removeTrace(oldTrace);
 138                             String relativePath = oldTrace.getElementPath().substring(oldFolderElementPath.toString().length() + 1);
 139                             String newTraceElementPath = newFolderElementPath.append(relativePath).toString();
 140                             for (TmfTraceElement newTrace : tracesFolder.getTraces()) {
 141                                 if (newTrace.getElementPath().equals(newTraceElementPath)) {
 142                                     experiment.addTrace(newTrace);
 143                                     break;
 144                                 }
 145                             }
 146                         }
 147                     }
 148                 }
 149             }
 150         };
 151
 152         try {
 153             PlatformUI.getWorkbench().getProgressService().busyCursorWhile(operation);
 154         } catch (InterruptedException e) {
 155             return null;
 156         } catch (InvocationTargetException e) {
 157             MessageDialog.openError(window.getShell(), e.toString(), e.getTargetException().toString());
 158             return null;
 159         }
 160
 161         return null;
 162     }
 163
 164 }