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.UIText;
  20 import org.eclipse.egit.ui.internal.decorators.GitLightweightDecorator;
  21 import org.eclipse.egit.ui.internal.dialogs.BranchSelectionDialog;
  22 import org.eclipse.egit.ui.internal.trace.GitTraceLocation;
  23 import org.eclipse.jface.action.IAction;
  24 import org.eclipse.jface.dialogs.IDialogConstants;
  25 import org.eclipse.jface.dialogs.MessageDialog;
  26 import org.eclipse.jface.operation.IRunnableWithProgress;
  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 run(IAction action) {
  39                 final Repository repository = getRepository(true);
  40                 if (repository == null)
  41                         return;
  42
  43                 if (!repository.getRepositoryState().canResetHead()) {
  44                         MessageDialog.openError(getShell(), UIText.ResetAction_errorResettingHead,
  45                                         NLS.bind(UIText.ResetAction_repositoryState, repository.getRepositoryState().getDescription()));
  46                         return;
  47                 }
  48
  49                 BranchSelectionDialog branchSelectionDialog = new BranchSelectionDialog(getShell(), repository);
  50                 if (branchSelectionDialog.open() == IDialogConstants.OK_ID) {
  51                         final String refName = branchSelectionDialog.getRefName();
  52                         final ResetType type = branchSelectionDialog.getResetType();
  53
  54                         try {
  55                                 getTargetPart().getSite().getWorkbenchWindow().run(true, false,
  56                                                 new IRunnableWithProgress() {
  57                                         public void run(final IProgressMonitor monitor)
  58                                         throws InvocationTargetException {
  59                                                 try {
  60                                                         new ResetOperation(repository, refName, type).run(monitor);
  61                                                         GitLightweightDecorator.refresh();
  62                                                 } catch (CoreException e) {
  63                                                         if (GitTraceLocation.UI.isActive())
  64                                                                 GitTraceLocation.getTrace().trace(GitTraceLocation.UI.getLocation(), e.getMessage(), e);
  65                                                         throw new InvocationTargetException(e);
  66                                                 }
  67                                         }
  68                                 });
  69                         } catch (InvocationTargetException e) {
  70                                 MessageDialog.openError(getShell(),UIText.ResetAction_resetFailed, e.getMessage());
  71                         } catch (InterruptedException e) {
  72                                 MessageDialog.openError(getShell(),UIText.ResetAction_resetFailed, e.getMessage());
  73                         }
  74                 }
  75
  76         }
  77
  78         @Override
  79         public boolean isEnabled() {
  80                 return getRepository(false) != null;
  81         }
  82 }