org.kalypso.model.wspm.ui.profil.wizard.landuse.pages.LanduseMappingPage.java Source code

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Here is the source code for org.kalypso.model.wspm.ui.profil.wizard.landuse.pages.LanduseMappingPage.java

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/*----------------    FILE HEADER KALYPSO ------------------------------------------
 *
 *  This file is part of kalypso.
 *  Copyright (C) 2004 by:
 *
 *  Technical University Hamburg-Harburg (TUHH)
 *  Institute of River and coastal engineering
 *  Denickestrae 22
 *  21073 Hamburg, Germany
 *  http://www.tuhh.de/wb
 *
 *  and
 *
 *  Bjoernsen Consulting Engineers (BCE)
 *  Maria Trost 3
 *  56070 Koblenz, Germany
 *  http://www.bjoernsen.de
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Contact:
 *
 *  E-Mail:
 *  belger@bjoernsen.de
 *  schlienger@bjoernsen.de
 *  v.doemming@tuhh.de
 *
 *  ---------------------------------------------------------------------------*/
package org.kalypso.model.wspm.ui.profil.wizard.landuse.pages;

import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.viewers.ViewersObservables;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.kalypso.commons.databinding.DataBinder;
import org.kalypso.commons.databinding.jface.wizard.DatabindingWizardPage;
import org.kalypso.commons.java.lang.Objects;
import org.kalypso.contribs.eclipse.jface.viewers.IRefreshable;
import org.kalypso.model.wspm.core.IWspmPointProperties;
import org.kalypso.model.wspm.ui.i18n.Messages;
import org.kalypso.model.wspm.ui.profil.wizard.landuse.model.ILanduseModel;
import org.kalypso.model.wspm.ui.profil.wizard.landuse.model.LanduseModel;
import org.kalypso.model.wspm.ui.profil.wizard.landuse.utils.ILanduseShapeDataProvider;
import org.kalypso.model.wspm.ui.profil.wizard.landuse.utils.LanduseMappingTable;
import org.kalypso.model.wspm.ui.profil.wizard.landuse.utils.LandusePropertyFilter;
import org.kalypso.model.wspm.ui.profil.wizard.landuse.utils.LanduseShapeLabelProvider;

/**
 * @author Dirk Kuch
 */
public class LanduseMappingPage extends WizardPage implements IRefreshable {
    protected final ILanduseShapeDataProvider m_provider;

    protected final LanduseModel m_model;

    private DatabindingWizardPage m_binding;

    private ComboViewer m_column;

    private String m_lnkShapeFile;

    public LanduseMappingPage(final ILanduseShapeDataProvider provider, final String type) {
        super("LanduseMappingPage"); //$NON-NLS-1$

        m_provider = provider;
        m_model = new LanduseModel(provider.getProject(), type);

        if (IWspmPointProperties.POINT_PROPERTY_BEWUCHS_CLASS.equals(type)) {
            setTitle(Messages.getString("LanduseMappingPage.0")); //$NON-NLS-1$
        } else if (IWspmPointProperties.POINT_PROPERTY_ROUGHNESS_CLASS.equals(type)) {
            setTitle(Messages.getString("LanduseMappingPage.1")); //$NON-NLS-1$
        }

        setDescription(Messages.getString("LanduseMappingPage.2")); //$NON-NLS-1$
    }

    @Override
    public void createControl(final Composite parent) {
        m_binding = new DatabindingWizardPage(this, null);

        final Composite body = new Composite(parent, SWT.NULL);
        body.setLayout(new GridLayout());

        // shape column
        new Label(body, SWT.NULL).setText(Messages.getString("LanduseMappingPage.3")); //$NON-NLS-1$
        m_column = getViewer(body);

        new Label(body, SWT.NULL).setText("");// spacer //$NON-NLS-1$

        new Label(body, SWT.NULL).setText(Messages.getString("LanduseMappingPage.4")); //$NON-NLS-1$
        final LanduseMappingTable table = new LanduseMappingTable(body, m_model);
        table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        setControl(body);
    }

    private ComboViewer getViewer(final Composite body) {
        final ComboViewer viewer = new ComboViewer(body, SWT.BORDER | SWT.READ_ONLY | SWT.SINGLE);
        viewer.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
        viewer.setLabelProvider(new LanduseShapeLabelProvider());
        viewer.setContentProvider(new ArrayContentProvider());
        viewer.addFilter(new LandusePropertyFilter());

        final IObservableValue viewerSelection = ViewersObservables.observeSingleSelection(viewer);
        final IObservableValue modelValue = BeansObservables.observeValue(m_model,
                ILanduseModel.PROPERTY_SHAPE_COLUMN);

        m_binding.bindValue(new DataBinder(viewerSelection, modelValue));

        return viewer;
    }

    @Override
    public void refresh() {
        try {
            final String lnkShapeFile = m_provider.getLnkShapeFile();
            if (Objects.notEqual(m_lnkShapeFile, lnkShapeFile)) {
                m_model.updateShapeFile(lnkShapeFile);
                m_column.setInput(m_model.getShapeFile().getFields());

                m_lnkShapeFile = lnkShapeFile;
            }
        } catch (final Exception ex) {
            ex.printStackTrace();
        }
    }

    public ILanduseModel getModel() {
        return m_model;
    }
}