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

   1 /*
   2  *  Copyright (C) 2007 Dave Watson <dwatson@mimvista.com>
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Lesser General Public
   6  *  License, version 2.1, as published by the Free Software Foundation.
   7  *
   8  *  This library is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  *  Lesser General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU Lesser General Public
  14  *  License along with this library; if not, write to the Free Software
  15  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
  16  */
  17
  18 package org.spearce.egit.ui.internal.actions;
  19
  20 import java.lang.reflect.InvocationTargetException;
  21
  22 import org.eclipse.core.runtime.CoreException;
  23 import org.eclipse.core.runtime.IProgressMonitor;
  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.jface.operation.IRunnableWithProgress;
  28 import org.spearce.egit.core.op.ResetOperation;
  29 import org.spearce.egit.core.op.ResetOperation.ResetType;
  30 import org.spearce.egit.ui.internal.decorators.GitResourceDecorator;
  31 import org.spearce.egit.ui.internal.dialogs.BranchSelectionDialog;
  32 import org.spearce.jgit.lib.Repository;
  33
  34 /**
  35  * An acton to reset the current branch to a specific revision.
  36  *
  37  * @see ResetOperation
  38  */
  39 public class ResetAction extends RepositoryAction {
  40
  41         @Override
  42         public void run(IAction action) {
  43                 final Repository repository = getRepository();
  44                 if (repository == null)
  45                         return;
  46
  47                 if (!repository.getRepositoryState().canResetHead()) {
  48                         MessageDialog.openError(getShell(), "Cannot reset HEAD now",
  49                                         "Respository state:"
  50                                                         + repository.getRepositoryState().getDescription());
  51                         return;
  52                 }
  53
  54                 BranchSelectionDialog branchSelectionDialog = new BranchSelectionDialog(getShell(), repository);
  55                 if (branchSelectionDialog.open() == IDialogConstants.OK_ID) {
  56                         final String refName = branchSelectionDialog.getRefName();
  57                         final ResetType type = branchSelectionDialog.getResetType();
  58
  59                         try {
  60                                 getTargetPart().getSite().getWorkbenchWindow().run(true, false,
  61                                                 new IRunnableWithProgress() {
  62                                         public void run(final IProgressMonitor monitor)
  63                                         throws InvocationTargetException {
  64                                                 try {
  65                                                         new ResetOperation(repository, refName, type).run(monitor);
  66                                                         GitResourceDecorator.refresh();
  67                                                 } catch (CoreException ce) {
  68                                                         ce.printStackTrace();
  69                                                         throw new InvocationTargetException(ce);
  70                                                 }
  71                                         }
  72                                 });
  73                         } catch (InvocationTargetException e) {
  74                                 MessageDialog.openError(getShell(),"Reset failed", e.getMessage());
  75                         } catch (InterruptedException e) {
  76                                 MessageDialog.openError(getShell(),"Reset failed", e.getMessage());
  77                         }
  78                 }
  79
  80         }
  81
  82         @Override
  83         public boolean isEnabled() {
  84                 return !getSelection().isEmpty();
  85         }
  86 }