org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/actions/ResetAction.java

   1 /*******************************************************************************
   2  * Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
   3  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
   4  * Copyright (C) 2006, Shawn O. Pearce <spearce@spearce.org>
   5  *
   6  * All rights reserved. This program and the accompanying materials
   7  * are made available under the terms of the Eclipse Public License v1.0
   8  * which accompanies this distribution, and is available at
   9  * http://www.eclipse.org/legal/epl-v10.html
  10  *******************************************************************************/
  11 package org.eclipse.egit.ui.internal.actions;
  12
  13 import java.lang.reflect.InvocationTargetException;
  14
  15 import org.eclipse.core.runtime.CoreException;
  16 import org.eclipse.core.runtime.IProgressMonitor;
  17 import org.eclipse.egit.core.op.ResetOperation;
  18 import org.eclipse.egit.core.op.ResetOperation.ResetType;
  19 import org.eclipse.egit.ui.internal.decorators.GitLightweightDecorator;
  20 import org.eclipse.egit.ui.internal.dialogs.BranchSelectionDialog;
  21 import org.eclipse.jface.action.IAction;
  22 import org.eclipse.jface.dialogs.IDialogConstants;
  23 import org.eclipse.jface.dialogs.MessageDialog;
  24 import org.eclipse.jface.operation.IRunnableWithProgress;
  25 import org.eclipse.jgit.lib.Repository;
  26
  27 /**
  28  * An action to reset the current branch to a specific revision.
  29  *
  30  * @see ResetOperation
  31  */
  32 public class ResetAction extends RepositoryAction {
  33
  34         @Override
  35         public void run(IAction action) {
  36                 final Repository repository = getRepository(true);
  37                 if (repository == null)
  38                         return;
  39
  40                 if (!repository.getRepositoryState().canResetHead()) {
  41                         MessageDialog.openError(getShell(), "Cannot reset HEAD now",
  42                                         "Repository state:"
  43                                                         + repository.getRepositoryState().getDescription());
  44                         return;
  45                 }
  46
  47                 BranchSelectionDialog branchSelectionDialog = new BranchSelectionDialog(getShell(), repository);
  48                 if (branchSelectionDialog.open() == IDialogConstants.OK_ID) {
  49                         final String refName = branchSelectionDialog.getRefName();
  50                         final ResetType type = branchSelectionDialog.getResetType();
  51
  52                         try {
  53                                 getTargetPart().getSite().getWorkbenchWindow().run(true, false,
  54                                                 new IRunnableWithProgress() {
  55                                         public void run(final IProgressMonitor monitor)
  56                                         throws InvocationTargetException {
  57                                                 try {
  58                                                         new ResetOperation(repository, refName, type).run(monitor);
  59                                                         GitLightweightDecorator.refresh();
  60                                                 } catch (CoreException ce) {
  61                                                         ce.printStackTrace();
  62                                                         throw new InvocationTargetException(ce);
  63                                                 }
  64                                         }
  65                                 });
  66                         } catch (InvocationTargetException e) {
  67                                 MessageDialog.openError(getShell(),"Reset failed", e.getMessage());
  68                         } catch (InterruptedException e) {
  69                                 MessageDialog.openError(getShell(),"Reset failed", e.getMessage());
  70                         }
  71                 }
  72
  73         }
  74
  75         @Override
  76         public boolean isEnabled() {
  77                 return getRepository(false) != null;
  78         }
  79 }