org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/actions/BranchAction.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.core.runtime.IStatus;
  18 import org.eclipse.core.runtime.Status;
  19 import org.eclipse.core.runtime.jobs.Job;
  20 import org.eclipse.egit.core.op.BranchOperation;
  21 import org.eclipse.egit.ui.Activator;
  22 import org.eclipse.egit.ui.UIText;
  23 import org.eclipse.egit.ui.internal.decorators.GitLightweightDecorator;
  24 import org.eclipse.egit.ui.internal.dialogs.BranchSelectionDialog;
  25 import org.eclipse.jface.action.IAction;
  26 import org.eclipse.jface.dialogs.MessageDialog;
  27 import org.eclipse.jface.window.Window;
  28 import org.eclipse.jgit.lib.Repository;
  29 import org.eclipse.osgi.util.NLS;
  30
  31 /**
  32  * Action for selecting a branch and checking it out.
  33  *
  34  * @see BranchOperation
  35  */
  36 public class BranchAction extends RepositoryAction {
  37         @Override
  38         public void execute(IAction action) throws InvocationTargetException, InterruptedException {
  39                 final Repository repository = getRepository(true);
  40                 if (repository == null)
  41                         return;
  42
  43                 if (!repository.getRepositoryState().canCheckout()) {
  44                         MessageDialog.openError(getShell(),
  45                                         UIText.BranchAction_cannotCheckout, NLS.bind(
  46                                                         UIText.BranchAction_repositoryState, repository
  47                                                                         .getRepositoryState().getDescription()));
  48                         return;
  49                 }
  50
  51                 BranchSelectionDialog dialog = new BranchSelectionDialog(getShell(), repository);
  52                 if (dialog.open() != Window.OK) {
  53                         return;
  54                 }
  55
  56                 final String refName = dialog.getRefName();
  57
  58                 String jobname = NLS.bind(UIText.BranchAction_checkingOut, refName);
  59                 Job job = new Job(jobname) {
  60                         @Override
  61                         protected IStatus run(IProgressMonitor monitor) {
  62                                 try {
  63                                         new BranchOperation(repository, refName).execute(monitor);
  64                                 } catch (CoreException e) {
  65                                         return Activator.createErrorStatus(
  66                                                         UIText.BranchAction_branchFailed, e);
  67                                 } finally {
  68                                         GitLightweightDecorator.refresh();
  69                                 }
  70                                 return Status.OK_STATUS;
  71                         }
  72                 };
  73                 job.setUser(true);
  74                 job.schedule();
  75         }
  76
  77         @Override
  78         public boolean isEnabled() {
  79                 return getRepository(false) != null;
  80         }
  81 }