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

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