eu.esdihumboldt.hale.ui.io.project.ArchiveProjectImportSelectLocationPage.java Source code

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Here is the source code for eu.esdihumboldt.hale.ui.io.project.ArchiveProjectImportSelectLocationPage.java

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/*
 * Copyright (c) 2013 Data Harmonisation Panel
 * 
 * All rights reserved. This program and the accompanying materials are made
 * available under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     Data Harmonisation Panel <http://www.dhpanel.eu>
 */

package eu.esdihumboldt.hale.ui.io.project;

import org.eclipse.jface.preference.DirectoryFieldEditor;
import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.widgets.Composite;

import eu.esdihumboldt.hale.common.core.io.Value;
import eu.esdihumboldt.hale.common.core.io.project.impl.ArchiveProjectImport;
import eu.esdihumboldt.hale.ui.io.config.AbstractConfigurationPage;
import eu.esdihumboldt.hale.ui.util.io.KeyStrokeValidatingDirectoryFieldEditor;

/**
 * Selection page for the directory to chose where the project archive should be
 * imported
 * 
 * @author Patrick Lieb
 */
public class ArchiveProjectImportSelectLocationPage
        extends AbstractConfigurationPage<ArchiveProjectImport, ArchiveProjectImportWizard> {

    //   private final String location = "";

    private DirectoryFieldEditor directoryField;

    /**
     * Default Constructor
     */
    protected ArchiveProjectImportSelectLocationPage() {
        super("archiveProjectImportConfiguration");
        setTitle("Choose directory for archive extraction");
        setDescription("The project archive will be extracted and loaded in the specific directory.");

        setPageComplete(false);
    }

    @Override
    public void enable() {
        // not needed here

    }

    @Override
    public void disable() {
        // not needed here

    }

    @Override
    public boolean updateConfiguration(ArchiveProjectImport provider) {
        provider.setParameter("PARAM_IMPORT_LOCATION", Value.of(directoryField.getStringValue()));
        return true;
    }

    @Override
    protected void createContent(Composite page) {
        directoryField = new KeyStrokeValidatingDirectoryFieldEditor("Import location", "Select directory", page);
        directoryField.setEmptyStringAllowed(false);
        directoryField.setPropertyChangeListener(new IPropertyChangeListener() {

            @Override
            public void propertyChange(PropertyChangeEvent event) {
                if (event.getProperty().equals(FieldEditor.IS_VALID)) {
                    updateState();
                } else if (event.getProperty().equals(FieldEditor.VALUE)) {
                    updateState();
                }
            }
        });
    }

    /**
     * Update the page state.
     */
    protected void updateState() {
        boolean valid = directoryField.isValid();

        if (!valid) {
            setErrorMessage(directoryField.getErrorMessage());
            setPageComplete(false);
        } else {
            setErrorMessage(null);
            setPageComplete(true);
        }
    }
}