org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/clone/GitCloneWizard.java

   1 /*******************************************************************************
   2  * Copyright (C) 2008, Roger C. Soares <rogersoares@intelinet.com.br>
   3  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   4  * Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
   5  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
   6  * Copyright (C) 2010, Mathias Kinzler <mathias.kinzler@sap.com>
   7  *
   8  * All rights reserved. This program and the accompanying materials
   9  * are made available under the terms of the Eclipse Public License v1.0
  10  * which accompanies this distribution, and is available at
  11  * http://www.eclipse.org/legal/epl-v10.html
  12  *******************************************************************************/
  13 package org.eclipse.egit.ui.internal.clone;
  14
  15 import java.io.File;
  16 import java.lang.reflect.InvocationTargetException;
  17 import java.util.Collection;
  18 import java.util.Collections;
  19
  20 import org.eclipse.core.runtime.IProgressMonitor;
  21 import org.eclipse.core.runtime.IStatus;
  22 import org.eclipse.core.runtime.Status;
  23 import org.eclipse.core.runtime.jobs.Job;
  24 import org.eclipse.egit.core.op.CloneOperation;
  25 import org.eclipse.egit.ui.Activator;
  26 import org.eclipse.egit.ui.UIIcons;
  27 import org.eclipse.egit.ui.UIText;
  28 import org.eclipse.egit.ui.internal.components.RepositorySelectionPage;
  29 import org.eclipse.egit.ui.internal.repository.RepositoriesView;
  30 import org.eclipse.jface.dialogs.ErrorDialog;
  31 import org.eclipse.jface.dialogs.MessageDialog;
  32 import org.eclipse.jface.operation.IRunnableWithProgress;
  33 import org.eclipse.jface.wizard.Wizard;
  34 import org.eclipse.jgit.lib.Ref;
  35 import org.eclipse.jgit.transport.URIish;
  36 import org.eclipse.osgi.util.NLS;
  37 import org.eclipse.ui.IViewPart;
  38 import org.eclipse.ui.PlatformUI;
  39
  40 /**
  41  * Import Git Repository Wizard. A front end to a git clone operation.
  42  */
  43 public class GitCloneWizard extends Wizard {
  44         private RepositorySelectionPage cloneSource;
  45
  46         private SourceBranchPage validSource;
  47
  48         private CloneDestinationPage cloneDestination;
  49
  50         String alreadyClonedInto;
  51
  52         /**
  53          * The default constructor
  54          */
  55         public GitCloneWizard() {
  56                 setWindowTitle(UIText.GitCloneWizard_title);
  57                 setDefaultPageImageDescriptor(UIIcons.WIZBAN_IMPORT_REPO);
  58                 setNeedsProgressMonitor(true);
  59                 cloneSource = new RepositorySelectionPage(true, null);
  60                 validSource = new SourceBranchPage(cloneSource);
  61                 cloneDestination = new CloneDestinationPage(cloneSource, validSource);
  62         }
  63
  64         @Override
  65         public boolean performCancel() {
  66                 if (alreadyClonedInto != null) {
  67                         File test = new File(alreadyClonedInto);
  68                         if (test.exists()
  69                                         && MessageDialog.openQuestion(getShell(),
  70                                                         UIText.GitCloneWizard_abortingCloneTitle,
  71                                                         UIText.GitCloneWizard_abortingCloneMsg)) {
  72                                 deleteRecursively(new File(alreadyClonedInto));
  73                         }
  74                 }
  75                 return true;
  76         }
  77
  78         private void deleteRecursively(File f) {
  79                 File[] children = f.listFiles();
  80                 if (children != null)
  81                         for (File i : children) {
  82                                 if (i.isDirectory()) {
  83                                         deleteRecursively(i);
  84                                 } else {
  85                                         if (!i.delete()) {
  86                                                 i.deleteOnExit();
  87                                         }
  88                                 }
  89                         }
  90                 if (!f.delete())
  91                         f.deleteOnExit();
  92         }
  93
  94         @Override
  95         public void addPages() {
  96                 addPage(cloneSource);
  97                 addPage(validSource);
  98                 addPage(cloneDestination);
  99         }
 100
 101         @Override
 102         public boolean canFinish() {
 103                 return cloneDestination.isPageComplete();
 104         }
 105
 106         @Override
 107         public boolean performFinish() {
 108                 return performClone(false);
 109         }
 110
 111         boolean performClone(boolean background) {
 112                 final URIish uri = cloneSource.getSelection().getURI();
 113                 final boolean allSelected;
 114                 final Collection<Ref> selectedBranches;
 115                 if (validSource.isSourceRepoEmpty()) {
 116                         // fetch all branches of empty repo
 117                         allSelected = true;
 118                         selectedBranches = Collections.emptyList();
 119                 } else {
 120                         allSelected = validSource.isAllSelected();
 121                         selectedBranches = validSource.getSelectedBranches();
 122                 }
 123                 final File workdir = cloneDestination.getDestinationFile();
 124                 final String branch = cloneDestination.getInitialBranch();
 125                 final String remoteName = cloneDestination.getRemote();
 126
 127                 workdir.mkdirs();
 128
 129                 if (!workdir.isDirectory()) {
 130                         final String errorMessage = NLS.bind(
 131                                         UIText.GitCloneWizard_errorCannotCreate, workdir.getPath());
 132                         ErrorDialog.openError(getShell(), getWindowTitle(),
 133                                         UIText.GitCloneWizard_failed, new Status(IStatus.ERROR,
 134                                                         Activator.getPluginId(), 0, errorMessage, null));
 135                         // let's give user a chance to fix this minor problem
 136                         return false;
 137                 }
 138
 139                 final RepositoriesView view;
 140                 IViewPart vp = PlatformUI.getWorkbench().getActiveWorkbenchWindow()
 141                                 .getActivePage().findView(RepositoriesView.VIEW_ID);
 142                 if (vp != null) {
 143                         view = (RepositoriesView) vp;
 144                 } else {
 145                         view = null;
 146                 }
 147
 148                 final CloneOperation op = new CloneOperation(uri, allSelected,
 149                                 selectedBranches, workdir, branch, remoteName);
 150
 151                 alreadyClonedInto = workdir.getPath();
 152
 153                 if (background) {
 154                         final Job job = new Job(NLS.bind(UIText.GitCloneWizard_jobName, uri
 155                                         .toString())) {
 156                                 @Override
 157                                 protected IStatus run(final IProgressMonitor monitor) {
 158                                         try {
 159                                                 op.run(monitor);
 160                                                 RepositorySelectionPage.saveUriInPrefs(uri.toString());
 161                                                 RepositoriesView.addDir(op.getGitDir());
 162                                                 if (view != null)
 163                                                         view.scheduleRefresh();
 164
 165                                                 return Status.OK_STATUS;
 166                                         } catch (InterruptedException e) {
 167                                                 return Status.CANCEL_STATUS;
 168                                         } catch (InvocationTargetException e) {
 169                                                 Throwable thr = e.getCause();
 170                                                 return new Status(IStatus.ERROR, Activator
 171                                                                 .getPluginId(), 0, thr.getMessage(), thr);
 172                                         }
 173                                 }
 174
 175                         };
 176                         job.setUser(true);
 177                         job.schedule();
 178                         return true;
 179                 } else {
 180                         try {
 181                                 // Perform clone in ModalContext thread with progress
 182                                 // reporting on the wizard.
 183                                 getContainer().run(true, true, new IRunnableWithProgress() {
 184                                         public void run(IProgressMonitor monitor)
 185                                                         throws InvocationTargetException,
 186                                                         InterruptedException {
 187                                                 op.run(monitor);
 188                                                 if (monitor.isCanceled())
 189                                                         throw new InterruptedException();
 190                                         }
 191                                 });
 192
 193                                 RepositorySelectionPage.saveUriInPrefs(uri.toString());
 194                                 RepositoriesView.addDir(op.getGitDir());
 195                                 if (view != null)
 196                                         view.scheduleRefresh();
 197                                 return true;
 198                         } catch (InterruptedException e) {
 199                                 MessageDialog.openInformation(getShell(),
 200                                                 UIText.GitCloneWizard_CloneFailedHeading,
 201                                                 UIText.GitCloneWizard_CloneCanceledMessage);
 202                                 return false;
 203                         } catch (Exception e) {
 204                                 Activator.handleError(UIText.GitCloneWizard_CloneFailedHeading,
 205                                                 e, true);
 206                                 return false;
 207                         }
 208                 }
 209         }
 210 }