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 org.eclipse.core.runtime.CoreException;
  14 import org.eclipse.core.runtime.IProgressMonitor;
  15 import org.eclipse.core.runtime.IStatus;
  16 import org.eclipse.core.runtime.Status;
  17 import org.eclipse.core.runtime.jobs.Job;
  18 import org.eclipse.egit.core.op.ResetOperation;
  19 import org.eclipse.egit.core.op.ResetOperation.ResetType;
  20 import org.eclipse.egit.ui.Activator;
  21 import org.eclipse.egit.ui.UIText;
  22 import org.eclipse.egit.ui.internal.decorators.GitLightweightDecorator;
  23 import org.eclipse.egit.ui.internal.dialogs.BranchSelectionDialog;
  24 import org.eclipse.jface.action.IAction;
  25 import org.eclipse.jface.dialogs.IDialogConstants;
  26 import org.eclipse.jface.dialogs.MessageDialog;
  27 import org.eclipse.jgit.lib.Repository;
  28 import org.eclipse.osgi.util.NLS;
  29
  30 /**
  31  * An action to reset the current branch to a specific revision.
  32  *
  33  * @see ResetOperation
  34  */
  35 public class ResetAction extends RepositoryAction {
  36
  37         @Override
  38         public void execute(IAction action) {
  39                 final Repository repository = getRepository(true);
  40                 if (repository == null)
  41                         return;
  42                 if (!repository.getRepositoryState().canResetHead()) {
  43                         MessageDialog.openError(getShell(), UIText.ResetAction_errorResettingHead,
  44                                         NLS.bind(UIText.ResetAction_repositoryState, repository.getRepositoryState().getDescription()));
  45                         return;
  46                 }
  47                 BranchSelectionDialog branchSelectionDialog = new BranchSelectionDialog(getShell(), repository, true);
  48                 if (branchSelectionDialog.open() == IDialogConstants.OK_ID) {
  49                         final String refName = branchSelectionDialog.getRefName();
  50                         final ResetType type = branchSelectionDialog.getResetType();
  51                         String jobname = NLS.bind(UIText.ResetAction_reset, refName);
  52                         final ResetOperation operation = new ResetOperation(repository,
  53                                         refName, type);
  54                         Job job = new Job(jobname) {
  55                                 @Override
  56                                 protected IStatus run(IProgressMonitor monitor) {
  57                                         try {
  58                                                 operation.execute(monitor);
  59                                                 GitLightweightDecorator.refresh();
  60                                         } catch (CoreException e) {
  61                                                 return Activator.createErrorStatus(e.getStatus()
  62                                                                 .getMessage(), e);
  63                                         }
  64                                         return Status.OK_STATUS;
  65                                 }
  66                         };
  67                         job.setRule(operation.getSchedulingRule());
  68                         job.setUser(true);
  69                         job.schedule();
  70                 }
  71         }
  72
  73         @Override
  74         public boolean isEnabled() {
  75                 return getRepository(false) != null;
  76         }
  77 }