plugins/svn4idea/src/org/jetbrains/idea/svn/actions/ShowPropertiesDiffAction.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.jetbrains.idea.svn.actions;
  17
  18 import com.intellij.openapi.actionSystem.AnActionEvent;
  19 import com.intellij.openapi.actionSystem.DataKey;
  20 import com.intellij.openapi.vcs.VcsDataKeys;
  21 import com.intellij.openapi.vcs.changes.Change;
  22 import com.intellij.openapi.vcs.changes.ContentRevision;
  23 import org.jetbrains.idea.svn.SvnBundle;
  24 import org.jetbrains.idea.svn.SvnRevisionNumber;
  25 import org.jetbrains.idea.svn.SvnVcs;
  26 import org.tmatesoft.svn.core.SVNException;
  27 import org.tmatesoft.svn.core.wc.SVNRevision;
  28
  29 public class ShowPropertiesDiffAction extends AbstractShowPropertiesDiffAction {
  30   public ShowPropertiesDiffAction() {
  31     super(SvnBundle.message("action.Subversion.properties.diff.name"));
  32   }
  33
  34   @Override
  35   public void update(final AnActionEvent e) {
  36     super.update(e);
  37     //e.getPresentation().setText(SvnBundle.message("action.Subversion.properties.diff.name"));
  38   }
  39
  40   protected DataKey<Change[]> getChangesKey() {
  41     return VcsDataKeys.CHANGE_LEAD_SELECTION;
  42   }
  43
  44   protected SVNRevision getBeforeRevisionValue(final Change change, final SvnVcs vcs) throws SVNException {
  45     final ContentRevision beforeRevision = change.getBeforeRevision();
  46     if (beforeRevision != null) {
  47       return ((SvnRevisionNumber) beforeRevision.getRevisionNumber()).getRevision();
  48     } else {
  49       return SVNRevision.create(((SvnRevisionNumber) change.getAfterRevision().getRevisionNumber()).getRevision().getNumber() - 1);
  50     }
  51   }
  52
  53   protected SVNRevision getAfterRevisionValue(final Change change, final SvnVcs vcs) throws SVNException {
  54     final ContentRevision afterRevision = change.getAfterRevision();
  55     if (afterRevision != null) {
  56       return ((SvnRevisionNumber) afterRevision.getRevisionNumber()).getRevision();
  57     } else {
  58       return SVNRevision.create(((SvnRevisionNumber) change.getBeforeRevision().getRevisionNumber()).getRevision().getNumber() + 1);
  59     }
  60   }
  61 }