/*******************************************************************************
* Copyright (c) 2010, 2013 SAP AG and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Stefan Lay (SAP AG) - initial implementation
*******************************************************************************/
package org.eclipse.egit.ui.internal.actions;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import org.eclipse.compare.CompareEditorInput;
import org.eclipse.compare.CompareUI;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.egit.core.internal.indexdiff.IndexDiffCache;
import org.eclipse.egit.core.internal.indexdiff.IndexDiffCacheEntry;
import org.eclipse.egit.core.internal.util.ResourceUtil;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.UIPreferences;
import org.eclipse.egit.ui.internal.merge.GitMergeEditorInput;
import org.eclipse.egit.ui.internal.merge.MergeModeDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.jgit.lib.Repository;
/**
* Action for selecting a commit and merging it with the current branch.
*/
public class MergeToolActionHandler extends RepositoryActionHandler {
public Object execute(final ExecutionEvent event) throws ExecutionException {
int mergeMode = Activator.getDefault().getPreferenceStore().getInt(
UIPreferences.MERGE_MODE);
IPath[] locations = getSelectedLocations(event);
CompareEditorInput input;
if (mergeMode == 0) {
MergeModeDialog dlg = new MergeModeDialog(getShell(event));
if (dlg.open() != Window.OK)
return null;
input = new GitMergeEditorInput(dlg.useWorkspace(), locations);
} else {
boolean useWorkspace = mergeMode == 1;
input = new GitMergeEditorInput(useWorkspace, locations);
}
CompareUI.openCompareEditor(input);
return null;
}
public boolean isEnabled() {
IPath[] paths = getSelectedLocations();
Map<Repository, Collection<String>> pathsByRepository = ResourceUtil
.splitPathsByRepository(Arrays.asList(paths));
Set<Repository> repos = pathsByRepository.keySet();
if (repos.size() != 1)
return false;
Repository repo = repos.iterator().next();
Collection<String> selectedRepoPaths = pathsByRepository.get(repo);
if (selectedRepoPaths.isEmpty())
return false;
IndexDiffCache cache = org.eclipse.egit.core.Activator.getDefault().getIndexDiffCache();
if (cache == null)
return false;
IndexDiffCacheEntry entry = cache.getIndexDiffCacheEntry(repo);
if (entry == null || entry.getIndexDiff() == null)
return false;
Set<String> conflictingFiles = entry.getIndexDiff().getConflicting();
if (conflictingFiles.isEmpty())
return false;
for (String selectedRepoPath : selectedRepoPaths) {
Path selectedPath = new Path(selectedRepoPath);
for (String conflictingFile : conflictingFiles)
if (selectedPath.isPrefixOf(new Path(conflictingFile)))
return true;
}
return false;
}
}