org.kalypso.model.wspm.pdb.ui.internal.checkout.ConnectionChooserPage.java Source code

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Here is the source code for org.kalypso.model.wspm.pdb.ui.internal.checkout.ConnectionChooserPage.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.pdb.ui.internal.checkout;

import java.util.List;

import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.runtime.IStatus;
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.TableViewer;
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.ui.forms.widgets.ImageHyperlink;
import org.kalypso.commons.databinding.DataBinder;
import org.kalypso.commons.databinding.jface.wizard.DatabindingWizardPage;
import org.kalypso.commons.databinding.validation.NotNullValidator;
import org.kalypso.contribs.eclipse.jface.action.ActionHyperlink;
import org.kalypso.model.wspm.pdb.connect.IPdbSettings;
import org.kalypso.model.wspm.pdb.ui.internal.content.ConfigureConnectionsAction;
import org.kalypso.model.wspm.pdb.ui.internal.i18n.Messages;
import org.kalypso.model.wspm.pdb.ui.internal.preferences.PdbSettingsViewer;
import org.kalypso.model.wspm.pdb.ui.internal.wspm.ConnectionChooserData;

/**
 * @author Gernot Belger
 */
public class ConnectionChooserPage extends WizardPage {
    private final ConnectionChooserData m_data;

    private DatabindingWizardPage m_binding;

    private PdbSettingsViewer m_settingsViewer;

    public ConnectionChooserPage(final String pageName, final ConnectionChooserData data) {
        super(pageName);

        m_data = data;

        setTitle(Messages.getString("ConnectionChooserPage.0")); //$NON-NLS-1$
        setDescription(Messages.getString("ConnectionChooserPage.1")); //$NON-NLS-1$
    }

    @Override
    public void createControl(final Composite parent) {
        final Composite panel = new Composite(parent, SWT.NONE);
        setControl(panel);
        GridLayoutFactory.swtDefaults().applyTo(panel);

        m_binding = new DatabindingWizardPage(this, null);

        createSettingsChooser(panel).setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        createActions(panel).setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    }

    private Control createSettingsChooser(final Composite panel) {
        m_settingsViewer = new PdbSettingsViewer();
        final TableViewer viewer = m_settingsViewer.createViewer(panel);

        final List<IPdbSettings> input = m_settingsViewer.getInput();
        if (input.size() > 0)
            m_data.setSettings(input.get(0));

        final IViewerObservableValue target = ViewersObservables.observeSinglePostSelection(viewer);
        final IObservableValue model = BeansObservables.observeValue(m_data,
                ConnectionChooserData.PROPERTY_SETTINGS);
        final DataBinder dataBinder = new DataBinder(target, model);
        dataBinder.addTargetAfterGetValidator(new NotNullValidator<>(IPdbSettings.class, IStatus.ERROR,
                Messages.getString("ConnectionChooserPage.2"))); //$NON-NLS-1$
        m_binding.bindValue(dataBinder);

        return viewer.getControl();
    }

    private ImageHyperlink createActions(final Composite parent) {
        final ConfigureConnectionsAction action = new ConfigureConnectionsAction() {
            @Override
            protected void updateViewer() {
                updateControl();
            }
        };

        return ActionHyperlink.createHyperlink(null, parent, SWT.PUSH, action);
    }

    protected void updateControl() {
        m_settingsViewer.reset();
    }
}