org.spearce.egit.ui/src/org/spearce/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  * See LICENSE for the full license text, also available.
   9  *******************************************************************************/
  10 package org.spearce.egit.ui.internal.actions;
  11
  12 import java.lang.reflect.InvocationTargetException;
  13
  14 import org.eclipse.core.runtime.CoreException;
  15 import org.eclipse.core.runtime.IProgressMonitor;
  16 import org.eclipse.jface.action.IAction;
  17 import org.eclipse.jface.dialogs.IDialogConstants;
  18 import org.eclipse.jface.dialogs.MessageDialog;
  19 import org.eclipse.jface.operation.IRunnableWithProgress;
  20 import org.spearce.egit.core.op.ResetOperation;
  21 import org.spearce.egit.core.op.ResetOperation.ResetType;
  22 import org.spearce.egit.ui.internal.decorators.GitResourceDecorator;
  23 import org.spearce.egit.ui.internal.dialogs.BranchSelectionDialog;
  24 import org.spearce.jgit.lib.Repository;
  25
  26 /**
  27  * An action to reset the current branch to a specific revision.
  28  *
  29  * @see ResetOperation
  30  */
  31 public class ResetAction extends RepositoryAction {
  32
  33         @Override
  34         public void run(IAction action) {
  35                 final Repository repository = getRepository(true);
  36                 if (repository == null)
  37                         return;
  38
  39                 if (!repository.getRepositoryState().canResetHead()) {
  40                         MessageDialog.openError(getShell(), "Cannot reset HEAD now",
  41                                         "Respository state:"
  42                                                         + repository.getRepositoryState().getDescription());
  43                         return;
  44                 }
  45
  46                 BranchSelectionDialog branchSelectionDialog = new BranchSelectionDialog(getShell(), repository);
  47                 if (branchSelectionDialog.open() == IDialogConstants.OK_ID) {
  48                         final String refName = branchSelectionDialog.getRefName();
  49                         final ResetType type = branchSelectionDialog.getResetType();
  50
  51                         try {
  52                                 getTargetPart().getSite().getWorkbenchWindow().run(true, false,
  53                                                 new IRunnableWithProgress() {
  54                                         public void run(final IProgressMonitor monitor)
  55                                         throws InvocationTargetException {
  56                                                 try {
  57                                                         new ResetOperation(repository, refName, type).run(monitor);
  58                                                         GitResourceDecorator.refresh();
  59                                                 } catch (CoreException ce) {
  60                                                         ce.printStackTrace();
  61                                                         throw new InvocationTargetException(ce);
  62                                                 }
  63                                         }
  64                                 });
  65                         } catch (InvocationTargetException e) {
  66                                 MessageDialog.openError(getShell(),"Reset failed", e.getMessage());
  67                         } catch (InterruptedException e) {
  68                                 MessageDialog.openError(getShell(),"Reset failed", e.getMessage());
  69                         }
  70                 }
  71
  72         }
  73
  74         @Override
  75         public boolean isEnabled() {
  76                 return getRepository(false) != null;
  77         }
  78 }