de.fhg.igd.mapviewer.server.tiles.wizard.pages.CustomTileServerExtensionConfigPage.java Source code

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Here is the source code for de.fhg.igd.mapviewer.server.tiles.wizard.pages.CustomTileServerExtensionConfigPage.java

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/*
 * Copyright (c) 2016 wetransform GmbH
 * 
 * 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:
 *     wetransform GmbH <http://www.wetransform.to>
 */

package de.fhg.igd.mapviewer.server.tiles.wizard.pages;

import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.jface.preference.IntegerFieldEditor;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;

import de.fhg.igd.mapviewer.server.tiles.CustomTileMapServerConfiguration;
import de.fhg.igd.mapviewer.server.tiles.wizard.Messages;

/**
 * Extension of basic custom tile map server configuration page
 * 
 * @author Arun
 */
public class CustomTileServerExtensionConfigPage extends CustomTileWizardPage implements IPropertyChangeListener {

    private Composite page;

    private IntegerFieldEditor zoomLevels;

    private StringFieldEditor attributionText;

    /**
     * Constructor
     * 
     * @param configuration {@link CustomTileMapServerConfiguration}
     */
    public CustomTileServerExtensionConfigPage(CustomTileMapServerConfiguration configuration) {
        super(configuration, Messages.BasicConfigurationPage_0);
        setTitle(Messages.BasicConfigurationPage_1);
        setMessage(Messages.BasicConfigurationPage_10);
    }

    /**
     * @see de.fhg.igd.mapviewer.server.tiles.wizard.pages.CustomTileWizardPage#updateConfiguration(de.fhg.igd.mapviewer.server.tiles.CustomTileMapServerConfiguration)
     */
    @Override
    public boolean updateConfiguration(CustomTileMapServerConfiguration configuration) {
        if (zoomLevels.isValid()) {
            configuration.setZoomLevel(zoomLevels.getIntValue());
            configuration.setAttributionText(attributionText.getStringValue());
            return true;
        }
        return false;
    }

    /**
     * @see de.fhg.igd.mapviewer.server.tiles.wizard.pages.CustomTileWizardPage#createControl(org.eclipse.swt.widgets.Composite)
     */
    @Override
    public void createControl(Composite parent) {
        page = new Composite(parent, SWT.NONE);
        page.setLayout(new GridLayout(3, false));

        createComponent();

        setControl(page);

        update();
    }

    /**
     * Create components for basic options, zoom level and attribution text.
     */
    protected void createComponent() {

        // zoom levels
        zoomLevels = new IntegerFieldEditor("ZoomLevels", Messages.BasicConfigurationPage_7, page); //$NON-NLS-1$
        zoomLevels.fillIntoGrid(page, 3);
        zoomLevels.setValidRange(1, 100);
        zoomLevels.setStringValue(String.valueOf(getConfiguration().getZoomLevel()));
        zoomLevels.setPage(this);
        zoomLevels.setPropertyChangeListener(this);

        final String zoomLevelsTip = Messages.BasicConfigurationPage_7;

        zoomLevels.getLabelControl(page).setToolTipText(zoomLevelsTip);
        zoomLevels.getTextControl(page).setToolTipText(zoomLevelsTip);
        zoomLevels.getTextControl(page).addFocusListener(new FocusListener() {

            @Override
            public void focusLost(FocusEvent e) {
                setMessage(null);
            }

            @Override
            public void focusGained(FocusEvent e) {
                setMessage(zoomLevelsTip, INFORMATION);
            }
        });

        // attribution text
        attributionText = new StringFieldEditor("AttributionText", Messages.BasicConfigurationPage_8, page);

        attributionText.fillIntoGrid(page, 3);
        attributionText.setPage(this);
        if (getConfiguration().getAttributionText() != null)
            attributionText.setStringValue(String.valueOf(getConfiguration().getAttributionText()));
        else
            attributionText.setStringValue("");

        final String attributionTip = Messages.BasicConfigurationPage_8;
        attributionText.getLabelControl(page).setToolTipText(attributionTip);
        attributionText.getTextControl(page).setToolTipText(attributionTip);

        attributionText.getTextControl(page).addFocusListener(new FocusListener() {

            @Override
            public void focusLost(FocusEvent e) {
                setMessage(null);
            }

            @Override
            public void focusGained(FocusEvent e) {
                setMessage(attributionTip, INFORMATION);
            }
        });

    }

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

    /**
     * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
     */
    @Override
    public void propertyChange(PropertyChangeEvent event) {
        if (event.getProperty().equals(FieldEditor.IS_VALID)) {
            update();
        }
    }

}