org.spearce.egit.ui/src/org/spearce/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  * 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.eclipse.swt.widgets.Display;
  21 import org.spearce.egit.core.op.BranchOperation;
  22 import org.spearce.egit.ui.internal.decorators.GitLightweightDecorator;
  23 import org.spearce.egit.ui.internal.dialogs.BranchSelectionDialog;
  24 import org.spearce.jgit.lib.Repository;
  25
  26 /**
  27  * Action for selecting a branch and checking it out.
  28  *
  29  * @see BranchOperation
  30  */
  31 public class BranchAction extends RepositoryAction {
  32         @Override
  33         public void run(IAction action) {
  34                 final Repository repository = getRepository(true);
  35                 if (repository == null)
  36                         return;
  37
  38                 if (!repository.getRepositoryState().canCheckout()) {
  39                         MessageDialog.openError(getShell(), "Cannot checkout now",
  40                                         "Repository state:"
  41                                                         + repository.getRepositoryState().getDescription());
  42                         return;
  43                 }
  44
  45                 BranchSelectionDialog dialog = new BranchSelectionDialog(getShell(), repository);
  46                 dialog.setShowResetType(false);
  47                 if (dialog.open() != IDialogConstants.OK_ID) {
  48                         return;
  49                 }
  50
  51                 final String refName = dialog.getRefName();
  52                 try {
  53                         getTargetPart().getSite().getWorkbenchWindow().run(true, false,
  54                                         new IRunnableWithProgress() {
  55                                 public void run(final IProgressMonitor monitor)
  56                                 throws InvocationTargetException {
  57                                         try {
  58                                                 new BranchOperation(repository, refName).run(monitor);
  59                                                 GitLightweightDecorator.refresh();
  60                                         } catch (final CoreException ce) {
  61                                                 ce.printStackTrace();
  62                                                 Display.getDefault().asyncExec(new Runnable() {
  63                                                         public void run() {
  64                                                                 handle(ce, "Error while switching branches", "Unable to switch branches");
  65                                                         }
  66                                                 });
  67                                         }
  68                                 }
  69                         });
  70                 } catch (InvocationTargetException e) {
  71                         e.printStackTrace();
  72                 } catch (InterruptedException e) {
  73                         e.printStackTrace();
  74                 }
  75         }
  76
  77         @Override
  78         public boolean isEnabled() {
  79                 return getRepository(false) != null;
  80         }
  81 }