org.eclipse.egit.ui.internal.actions.StashCreateHandler.java Source code

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Here is the source code for org.eclipse.egit.ui.internal.actions.StashCreateHandler.java

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/*******************************************************************************
 * Copyright (C) 2014 Robin Stocker <robin@nibor.org> 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
 *******************************************************************************/
package org.eclipse.egit.ui.internal.actions;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.egit.core.Activator;
import org.eclipse.egit.core.internal.indexdiff.IndexDiffCacheEntry;
import org.eclipse.egit.core.internal.indexdiff.IndexDiffData;
import org.eclipse.egit.ui.internal.stash.StashCreateUI;
import org.eclipse.jgit.lib.Repository;

/**
 * Handler for "Stash Changes...".
 */
public class StashCreateHandler extends RepositoryActionHandler {

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        Repository repository = getRepository();
        if (repository == null)
            return null;

        StashCreateUI stashCreateUI = new StashCreateUI(repository);
        stashCreateUI.createStash(getShell(event));

        return null;
    }

    @Override
    public boolean isEnabled() {
        Repository repository = getRepository();
        return isEnabled(repository);
    }

    static boolean isEnabled(Repository repository) {
        if (repository == null)
            return false;

        if (!repository.getRepositoryState().canCommit())
            return false;

        IndexDiffCacheEntry entry = Activator.getDefault().getIndexDiffCache().getIndexDiffCacheEntry(repository);
        if (entry == null)
            return false;

        IndexDiffData diff = entry.getIndexDiff();
        if (diff == null)
            return false;

        if (diff.getAdded().isEmpty() && diff.getChanged().isEmpty() && diff.getRemoved().isEmpty()
                && diff.getUntracked().isEmpty() && diff.getModified().isEmpty() && diff.getMissing().isEmpty())
            return false;

        return true;
    }
}