org.kalypso.model.wspm.pdb.ui.internal.gaf.GafExportOptionsPage.java Source code

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Here is the source code for org.kalypso.model.wspm.pdb.ui.internal.gaf.GafExportOptionsPage.java

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/** This file is part of Kalypso
 *
 *  Copyright (c) 2012 by
 *
 *  Bjrnsen Beratende Ingenieure GmbH, Koblenz, Germany (Bjoernsen Consulting Engineers), http://www.bjoernsen.de
 *  Technische Universitt Hamburg-Harburg, Institut fr Wasserbau, Hamburg, Germany
 *  (Technical University Hamburg-Harburg, Institute of River and Coastal Engineering), http://www.tu-harburg.de/wb/
 *
 *  Kalypso is free software: you can redistribute it and/or modify it under the terms
 *  of the GNU Lesser General Public License (LGPL) as published by the Free Software
 *  Foundation, either version 3 of the License, or (at your option) any later version.
 *
 *  Kalypso 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 Kalypso.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kalypso.model.wspm.pdb.ui.internal.gaf;

import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.viewers.IViewerObservableValue;
import org.eclipse.jface.databinding.viewers.ViewersObservables;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.kalypso.commons.databinding.jface.wizard.DatabindingWizardPage;
import org.kalypso.commons.databinding.swt.FileAndHistoryData;
import org.kalypso.commons.databinding.swt.FileBinding;
import org.kalypso.contribs.eclipse.jface.wizard.FileChooserDelegateSave;
import org.kalypso.model.wspm.pdb.ui.internal.i18n.Messages;

/**
 * Page for options for gaf export.
 *
 * @author Gernot Belger
 */
class GafExportOptionsPage extends WizardPage {
    private static final String FILTER_LABEL = Messages.getString("GafExportOptionsPage_0"); //$NON-NLS-1$

    private static final String EXTENSION = "gaf"; //$NON-NLS-1$

    private final GafOptionsData m_data;

    private DatabindingWizardPage m_binding;

    GafExportOptionsPage(final String pageName, final GafOptionsData data) {
        super(pageName);

        m_data = data;

        setTitle(Messages.getString("GafExportOptionsPage_1")); //$NON-NLS-1$
        setDescription(Messages.getString("GafExportOptionsPage_2")); //$NON-NLS-1$
    }

    @Override
    public void dispose() {
        m_binding.dispose();

        super.dispose();
    }

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

        final Composite panel = new Composite(parent, SWT.NONE);
        setControl(panel);

        GridLayoutFactory.fillDefaults().numColumns(3).applyTo(panel);

        createExportFileControls(panel);
        createHykModeControls(panel);

        setErrorMessage(null);
        setPageComplete(false);
    }

    private void createExportFileControls(final Composite parent) {
        final Label label = new Label(parent, SWT.NONE);
        label.setText(Messages.getString("GafExportOptionsPage_3")); //$NON-NLS-1$

        final FileChooserDelegateSave delegateSave = new FileChooserDelegateSave();
        delegateSave.addFilter(FILTER_LABEL, "*." + EXTENSION); //$NON-NLS-1$

        final IObservableValue modelFile = BeansObservables.observeValue(m_data.getGafFile(),
                FileAndHistoryData.PROPERTY_FILE);
        final IObservableValue modelHistory = BeansObservables.observeValue(m_data.getGafFile(),
                FileAndHistoryData.PROPERTY_HISTORY);

        final FileBinding fileBinding = new FileBinding(m_binding, modelFile, delegateSave);

        final Control fileField = fileBinding.createFileFieldWithHistory(parent, modelHistory);
        fileField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

        fileBinding.createFileSearchButton(parent, fileField);
    }

    private void createHykModeControls(final Composite parent) {
        final Label label = new Label(parent, SWT.NONE);
        label.setText(Messages.getString("GafExportOptionsPage_4")); //$NON-NLS-1$

        final ComboViewer chooser = new ComboViewer(parent, SWT.READ_ONLY | SWT.DROP_DOWN);
        chooser.getControl().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

        chooser.setContentProvider(new ArrayContentProvider());
        chooser.setLabelProvider(new LabelProvider());
        chooser.setInput(HykExportMode.values());

        /* binding */
        final IViewerObservableValue targetSelection = ViewersObservables.observeSinglePostSelection(chooser);
        final IObservableValue modelSelection = BeansObservables.observeValue(m_data,
                GafOptionsData.PROPERTY_HYK_EXPORT_MODE);

        m_binding.bindValue(targetSelection, modelSelection);
    }
}