eu.esdihumboldt.hale.io.gml.ui.wfs.wizard.CapabilitiesPage.java Source code

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Here is the source code for eu.esdihumboldt.hale.io.gml.ui.wfs.wizard.CapabilitiesPage.java

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/*
 * Copyright (c) 2012 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:
 *     HUMBOLDT EU Integrated Project #030962
 *     Data Harmonisation Panel <http://www.dhpanel.eu>
 */

package eu.esdihumboldt.hale.io.gml.ui.wfs.wizard;

import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;

import eu.esdihumboldt.hale.io.wfs.ui.internal.Messages;

/**
 * Page for specifying the capabilities URL
 * 
 * @author Simon Templer
 * @partner 01 / Fraunhofer Institute for Computer Graphics Research
 */
public class CapabilitiesPage extends AbstractWfsPage<WfsConfiguration> {

    /**
     * The location editor
     */
    private WfsLocationFieldEditor location;

    /**
     * Constructor
     * 
     * @param configuration the WFS configuration
     */
    public CapabilitiesPage(WfsConfiguration configuration) {
        super(configuration, Messages.CapabilitiesPage_0); //$NON-NLS-1$

        setTitle(Messages.CapabilitiesPage_1); //$NON-NLS-1$
        setMessage(Messages.CapabilitiesPage_2); //$NON-NLS-1$
    }

    /**
     * @see AbstractWfsPage#createContent(Composite)
     */
    @Override
    protected void createContent(Composite parent) {
        Composite page = new Composite(parent, SWT.NONE);
        page.setLayout(new GridLayout(2, false));

        location = new WfsLocationFieldEditor("location", Messages.CapabilitiesPage_4, page); //$NON-NLS-1$ //$NON-NLS-2$
        location.setPage(this);
        location.setPropertyChangeListener(new IPropertyChangeListener() {

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

        String currentValue = getConfiguration().getCapabilitiesURL();
        if (currentValue != null) {
            location.setValue(currentValue);
        }

        setControl(page);

        update();
    }

    /**
     * @see AbstractWfsPage#updateConfiguration(WfsConfiguration)
     */
    @Override
    public boolean updateConfiguration(WfsConfiguration configuration) {
        if (location.isValid()) {
            configuration.setCapabilitiesURL(location.getValue());
            return true;
        }

        return false;
    }

    /**
     * Update the list of recently used WFSes
     */
    public void updateRecent() {
        if (location != null) {
            location.updateRecent();
        }
    }

    private void update() {
        setPageComplete(location.isValid());
    }

    /**
     * Get the capabilities URL currently selected
     * 
     * @return the capabilities URL
     */
    public String getCapabilitiesURL() {
        return location.getValue();
    }

}