src/org/netbeans/modules/git/ui/update/RevertModificationsAction.java

   1 /*
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   8  * Development and Distribution License("CDDL") (collectively, the
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  26  * The Original Software is NetBeans. The Initial Developer of the Original
  27  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
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  29  * Portions Copyright 2008 Alexander Coles (Ikonoklastik Productions).
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  42 package org.netbeans.modules.git.ui.update;
  43
  44 import java.awt.event.ActionEvent;
  45 import java.io.File;
  46 import java.util.ArrayList;
  47 import java.util.List;
  48 import java.util.Set;
  49 import javax.swing.Action;
  50 import org.netbeans.modules.git.FileInformation;
  51 import org.netbeans.modules.git.FileStatusCache;
  52 import org.netbeans.modules.git.Git;
  53 import org.netbeans.modules.git.GitException;
  54 import org.netbeans.modules.git.GitProgressSupport;
  55 import org.netbeans.modules.git.OutputLogger;
  56 import org.netbeans.modules.git.ui.actions.ContextAction;
  57 import org.netbeans.modules.git.util.GitCommand;
  58 import org.netbeans.modules.git.util.GitUtils;
  59 import org.netbeans.modules.versioning.spi.VCSContext;
  60 import org.openide.DialogDisplayer;
  61 import org.openide.NotifyDescriptor;
  62 import org.openide.filesystems.FileObject;
  63 import org.openide.filesystems.FileUtil;
  64 import org.openide.util.NbBundle;
  65 import org.openide.util.RequestProcessor;
  66
  67 /**
  68  * Reverts local changes.
  69  *
  70  * @author Padraig O'Briain
  71  */
  72 public class RevertModificationsAction extends ContextAction {
  73
  74     private final VCSContext context;
  75
  76     public RevertModificationsAction(String name, VCSContext context) {
  77         this.context =  context;
  78         putValue(Action.NAME, name);
  79     }
  80
  81     public void performAction(ActionEvent e) {
  82         revert(context);
  83     }
  84
  85     public static void revert(final VCSContext ctx) {
  86         final File[] files = ctx.getRootFiles().toArray(new File[ctx.getRootFiles().size()]);
  87         final File repository  = GitUtils.getRootFile(ctx);
  88         if (repository == null) return;
  89         String rev = null;
  90
  91         final RevertModifications revertModifications = new RevertModifications(repository, files);
  92         if (!revertModifications.showDialog()) {
  93             return;
  94         }
  95         rev = revertModifications.getSelectionRevision();
  96         final String revStr = rev;
  97         final boolean doBackup = revertModifications.isBackupRequested();
  98
  99         RequestProcessor rp = Git.getInstance().getRequestProcessor(repository);
 100         GitProgressSupport support = new GitProgressSupport() {
 101             public void perform() {
 102                 performRevert(repository, revStr, files, doBackup, this.getLogger());
 103             }
 104         };
 105         support.start(rp, repository.getAbsolutePath(), org.openide.util.NbBundle.getMessage(UpdateAction.class, "MSG_Revert_Progress")); // NOI18N
 106
 107         return;
 108     }
 109
 110     public static void performRevert(File repository, String revStr, File file, boolean doBackup, OutputLogger logger) {
 111         List<File> revertFiles = new ArrayList<File>();
 112         revertFiles.add(file);
 113
 114         performRevert(repository, revStr, revertFiles, doBackup, logger);
 115     }
 116
 117     public static void performRevert(File repository, String revStr, File[] files, boolean doBackup, OutputLogger logger) {
 118         List<File> revertFiles = new ArrayList<File>();
 119         for (File file : files) {
 120             revertFiles.add(file);
 121         }
 122         performRevert(repository, revStr, revertFiles, doBackup, logger);
 123     }
 124
 125     public static void performRevert(File repository, String revStr, List<File> revertFiles, boolean doBackup, OutputLogger logger) {
 126         try{
 127             logger.outputInRed(
 128                     NbBundle.getMessage(RevertModificationsAction.class,
 129                     "MSG_REVERT_TITLE")); // NOI18N
 130             logger.outputInRed(
 131                     NbBundle.getMessage(RevertModificationsAction.class,
 132                     "MSG_REVERT_TITLE_SEP")); // NOI18N
 133
 134             // revStr == null => no -r REV in git revert command
 135             // No revisions to revert too
 136             if (revStr != null && NbBundle.getMessage(RevertModificationsAction.class,
 137                     "MSG_Revision_Default").startsWith(revStr)) {
 138                 logger.output(
 139                         NbBundle.getMessage(RevertModificationsAction.class,
 140                         "MSG_REVERT_NOTHING")); // NOI18N
 141                 logger.outputInRed(
 142                         NbBundle.getMessage(RevertModificationsAction.class,
 143                         "MSG_REVERT_DONE")); // NOI18N
 144                 logger.outputInRed(""); // NOI18N
 145                 return;
 146             }
 147
 148             logger.output(
 149                     NbBundle.getMessage(RevertModificationsAction.class,
 150                     "MSG_REVERT_REVISION_STR", revStr)); // NOI18N
 151             for (File file : revertFiles) {
 152                 logger.output(file.getAbsolutePath());
 153             }
 154             logger.output(""); // NOI18N
 155
 156             GitCommand.doRevert(repository, revertFiles, revStr, doBackup, logger);
 157             FileStatusCache cache = Git.getInstance().getFileStatusCache();
 158             File[] conflictFiles = cache.listFiles(revertFiles.toArray(new File[0]), FileInformation.STATUS_VERSIONED_CONFLICT);
 159             if (conflictFiles.length != 0) {
 160                 ConflictResolvedAction.conflictResolved(repository, conflictFiles);
 161             }
 162         } catch (GitException ex) {
 163             NotifyDescriptor.Exception e = new NotifyDescriptor.Exception(ex);
 164             DialogDisplayer.getDefault().notifyLater(e);
 165         }
 166
 167         if (revStr == null) {
 168             for (File file : revertFiles) {
 169                 GitUtils.forceStatusRefresh(file);
 170             }
 171         } else {
 172             GitUtils.forceStatusRefresh(revertFiles.get(0));
 173         }
 174
 175         // refresh filesystem to take account of changes
 176         FileObject rootObj = FileUtil.toFileObject(repository);
 177         try {
 178             rootObj.getFileSystem().refresh(true);
 179         } catch (java.lang.Exception exc) {
 180         }
 181         logger.outputInRed(
 182                 NbBundle.getMessage(RevertModificationsAction.class,
 183                 "MSG_REVERT_DONE")); // NOI18N
 184         logger.outputInRed(""); // NOI18N
 185
 186     }
 187
 188     public boolean isEnabled() {
 189         Set<File> ctxFiles = context != null? context.getRootFiles(): null;
 190         if(GitUtils.getRootFile(context) == null || ctxFiles == null || ctxFiles.size() == 0)
 191             return false;
 192         return true;
 193     }
 194 }