org.kalypso.model.wspm.pdb.internal.connect.postgis.PostGisSettingsControl.java Source code

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Here is the source code for org.kalypso.model.wspm.pdb.internal.connect.postgis.PostGisSettingsControl.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.internal.connect.postgis;

import java.util.ArrayList;
import java.util.Collection;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.validation.IValidator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.resource.ImageDescriptor;
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.eclipse.swt.widgets.Text;
import org.kalypso.commons.databinding.validation.StringBlankValidator;
import org.kalypso.model.wspm.pdb.connect.IPdbSettingsControl;
import org.kalypso.model.wspm.pdb.internal.WspmPdbCoreImages;
import org.kalypso.model.wspm.pdb.internal.connect.SettingsPropertyValue;
import org.kalypso.model.wspm.pdb.internal.i18n.Messages;
import org.kalypso.model.wspm.pdb.internal.utils.PortValidator;

/**
 * @author Gernot Belger
 */
class PostGisSettingsControl extends Composite implements IPdbSettingsControl {
    private final Collection<Text> m_fields = new ArrayList<>();

    private final PostgisSettings m_settings;

    private final DataBindingContext m_binding;

    public PostGisSettingsControl(final DataBindingContext binding, final Composite parent,
            final PostgisSettings settings) {
        super(parent, SWT.NONE);

        m_binding = binding;

        m_settings = settings;

        GridLayoutFactory.swtDefaults().numColumns(2).equalWidth(false).applyTo(this);

        final StringBlankValidator hostValidator = new StringBlankValidator(IStatus.ERROR,
                StringBlankValidator.DEFAULT_ERROR_MESSAGE);
        createPropertyControl("Host", SWT.NONE, PostgisSettings.PROPERTY_HOST, hostValidator); //$NON-NLS-1$

        createPropertyControl("Port", SWT.NONE, PostgisSettings.PROPERTY_PORT, //$NON-NLS-1$
                new PortValidator(PostgisSettings.DEFAULT_PORT));

        final StringBlankValidator databaseValidator = new StringBlankValidator(IStatus.ERROR,
                StringBlankValidator.DEFAULT_ERROR_MESSAGE);
        createPropertyControl("Database", SWT.NONE, PostgisSettings.PROPERTY_DBNAME, databaseValidator); //$NON-NLS-1$

        final StringBlankValidator usernameValidator = new StringBlankValidator(IStatus.ERROR,
                StringBlankValidator.DEFAULT_ERROR_MESSAGE);
        createPropertyControl("Username", SWT.NONE, PostgisSettings.PROPERTY_USERNAME, usernameValidator); //$NON-NLS-1$

        final StringBlankValidator warningValidator = new StringBlankValidator(IStatus.WARNING,
                Messages.getString("PostGisSettingsControl_0")); //$NON-NLS-1$
        createPropertyControl("Password", SWT.PASSWORD, PostgisSettings.PROPERTY_PASSWORD, warningValidator); //$NON-NLS-1$
    }

    private void createPropertyControl(final String label, final int style, final String property,
            final IValidator... validators) {
        new Label(this, SWT.NONE).setText(label);

        final Text field = new Text(this, SWT.BORDER | style);
        field.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
        field.setMessage(Messages.getString("PostGisSettingsControl_1")); //$NON-NLS-1$

        final UpdateValueStrategy targetToModel = new UpdateValueStrategy();
        for (final IValidator validator : validators)
            targetToModel.setAfterConvertValidator(validator);

        final IObservableValue target = SWTObservables.observeText(field, new int[] { SWT.Modify });
        final IObservableValue model = new SettingsPropertyValue(m_settings, property);
        m_binding.bindValue(target, model, targetToModel, null);

        m_fields.add(field);
    }

    @Override
    public Control getControl() {
        return this;
    }

    @Override
    public ImageDescriptor getPageImage() {
        return WspmPdbCoreImages.IMAGE_POSTGIS_64x64;
    }

    @Override
    public void setEditable(final boolean editable) {
        for (final Text field : m_fields)
            field.setEditable(editable);
    }
}