org.eclipse.mylyn.internal.gerrit.ui.factories.OpenFileUiFactory.java Source code

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Here is the source code for org.eclipse.mylyn.internal.gerrit.ui.factories.OpenFileUiFactory.java

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/*******************************************************************************
 * Copyright (c) 2013 Ericsson, Tasktop Technologies 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:
 *     Tasktop Technologies - initial API and implementation
 *     Sebastien Dubois (Ericsson) - Improvements for bug 400266
 *******************************************************************************/

package org.eclipse.mylyn.internal.gerrit.ui.factories;

import org.eclipse.compare.CompareConfiguration;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.mylyn.internal.gerrit.ui.GerritCompareUi;
import org.eclipse.mylyn.internal.gerrit.ui.GerritReviewBehavior;
import org.eclipse.mylyn.reviews.core.model.IFileItem;
import org.eclipse.mylyn.reviews.core.model.IReviewItemSet;
import org.eclipse.mylyn.reviews.ui.spi.factories.IUiContext;

/**
 * @author Steffen Pingel
 * @author Miles Parker
 * @author Sebastien Dubois
 */
public class OpenFileUiFactory extends AbstractPatchSetUiFactory {

    private final IFileItem item;

    public OpenFileUiFactory(IUiContext context, IReviewItemSet set, IFileItem item) {
        super(Messages.OpenFileUiFactory_Open_File, context, set);
        this.item = item;
    }

    @Override
    public void execute() {
        //(The action is always available so isExecutable is never called from framework.)
        if (!isExecutable()) {
            handleExecutionStateError();
            return;
        }

        if (item.getBase() == null || item.getTarget() == null) {
            getEditor().setMessage(Messages.OpenFileUiFactory_File_not_available, IMessageProvider.WARNING);
            return;
        }

        GerritReviewBehavior behavior = new GerritReviewBehavior(getTask(), resolveGitRepository());
        CompareConfiguration configuration = new CompareConfiguration();
        GerritCompareUi.openFileComparisonEditor(configuration, item, behavior);
    }

    @Override
    public boolean isExecutable() {
        return getChange() != null;
    }
}