/******************************************************************************
* Copyright (c) 2012 GitHub Inc.
* 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:
* Kevin Sawicki (GitHub Inc.) - initial API and implementation
*****************************************************************************/
package org.eclipse.egit.ui.internal.repository.tree.command;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNode;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNodeType;
import org.eclipse.jgit.lib.Repository;
/**
* Base submodule command with helpers for finding the selected submodule paths
* and parent repositories
*
* @param <V>
*/
public abstract class SubmoduleCommand<V extends RepositoryTreeNode<?>> extends
RepositoriesViewCommandHandler<V> {
/**
* Get submodule from selected nodes
* <p>
* Keys with null values denote repositories where all submodules should be
* used for the current command being executed
*
* @param nodes
* @return non-null but possibly empty map of parent repository's to
* submodule paths
*/
protected Map<Repository, List<String>> getSubmodules(
final List<RepositoryTreeNode<?>> nodes) {
final Map<Repository, List<String>> repoPaths = new HashMap<>();
for (RepositoryTreeNode<?> node : nodes) {
if (node.getType() == RepositoryTreeNodeType.REPO) {
Repository parent = node.getParent().getRepository();
String path = Repository.stripWorkDir(parent.getWorkTree(),
node.getRepository().getWorkTree());
List<String> paths = repoPaths.get(parent);
if (paths == null) {
paths = new ArrayList<>();
repoPaths.put(parent, paths);
}
paths.add(path);
}
}
for (RepositoryTreeNode<?> node : nodes)
if (node.getType() == RepositoryTreeNodeType.SUBMODULES)
// Clear paths so all submodules are updated
repoPaths.put(node.getParent().getRepository(), null);
return repoPaths;
}
}