org.eclipse.emf.compare.ide.ui.internal.actions.save.SaveComparisonModelAction.java Source code

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Here is the source code for org.eclipse.emf.compare.ide.ui.internal.actions.save.SaveComparisonModelAction.java

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/*******************************************************************************
 * Copyright (c) 2012 Obeo.
 * 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:
 *     Obeo - initial API and implementation
 *******************************************************************************/
package org.eclipse.emf.compare.ide.ui.internal.actions.save;

import static com.google.common.collect.Maps.newHashMap;

import com.google.common.collect.ImmutableList;

import java.io.File;
import java.io.IOException;

import org.eclipse.compare.CompareConfiguration;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.compare.Comparison;
import org.eclipse.emf.compare.ide.ui.internal.EMFCompareConstants;
import org.eclipse.emf.compare.ide.ui.internal.EMFCompareIDEUIPlugin;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EcoreUtil.Copier;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceImpl;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.plugin.AbstractUIPlugin;

/**
 * @author <a href="mailto:mikael.barbero@obeo.fr">Mikael Barbero</a>
 */
public class SaveComparisonModelAction extends Action {

    /**
     * 
     */
    private static final ImmutableList<String> DIALOG_BUTTON_LABELS = ImmutableList.of("Replace", "Cancel");

    private CompareConfiguration configuration;

    /**
     * @param parent
     */
    public SaveComparisonModelAction(CompareConfiguration configuration) {
        this.configuration = configuration;
        setToolTipText("Save Comparison Model");
        setImageDescriptor(AbstractUIPlugin.imageDescriptorFromPlugin(EMFCompareIDEUIPlugin.PLUGIN_ID,
                "icons/full/toolb16/saveas_edit.gif")); //$NON-NLS-1$
    }

    /**
     * {@inheritDoc}
     * 
     * @see org.eclipse.jface.action.Action#run()
     */
    @Override
    public void run() {
        Shell parent = configuration.getContainer().getWorkbenchPart().getSite().getShell();

        FileDialog fileDialog = new FileDialog(parent, SWT.SAVE);
        File file = new File(fileDialog.open());
        if (file.exists()) {
            MessageDialog messageDialog = new MessageDialog(parent, "File already exists", null,
                    "File \"" + file.toString() + "\" already exists. Do you want to replace the existing one?",
                    MessageDialog.WARNING, DIALOG_BUTTON_LABELS.toArray(new String[0]), 1);
            int open = messageDialog.open();
            if (open == DIALOG_BUTTON_LABELS.indexOf("Replace")) {
                saveComparison(file);
            } // else do nothing
        } else {
            saveComparison(file);
        }

        super.run();
    }

    private void saveComparison(File file) {
        Comparison comparison = (Comparison) configuration.getProperty(EMFCompareConstants.COMPARE_RESULT);
        Resource resource = new XMIResourceImpl(URI.createFileURI(file.getAbsolutePath()));
        Copier copier = new Copier(false);
        EObject comparisonCopy = copier.copy(comparison);
        copier.copyReferences();

        resource.getContents().add(comparisonCopy);
        try {
            resource.save(newHashMap());
        } catch (IOException e) {
            EMFCompareIDEUIPlugin.getDefault().log(e);
        }
    }
}