org.kalypso.ui.rrm.internal.cm.idw.IdwWizardFeatureControl.java Source code

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Here is the source code for org.kalypso.ui.rrm.internal.cm.idw.IdwWizardFeatureControl.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.ui.rrm.internal.cm.idw;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.kalypso.contribs.eclipse.jface.action.ActionButton;
import org.kalypso.gmlschema.property.IPropertyType;
import org.kalypso.model.rcm.binding.IThiessenStation;
import org.kalypso.ogc.gml.command.ChangeFeaturesCommand;
import org.kalypso.ogc.gml.command.FeatureChange;
import org.kalypso.ogc.gml.featureview.control.AbstractFeatureControl;
import org.kalypsodeegree.model.feature.Feature;

/**
 * @author Gernot Belger
 * @author Holger Albert
 */
public class IdwWizardFeatureControl extends AbstractFeatureControl {
    public IdwWizardFeatureControl(final Feature feature, final IPropertyType pt) {
        super(feature, pt);
    }

    @Override
    public Control createControl(final FormToolkit toolkit, final Composite parent, final int style) {
        final Composite composite = toolkit.createComposite(parent);
        GridLayoutFactory.swtDefaults().numColumns(2).applyTo(composite);

        final IAction selectAllAction = new SelectAllAction(this, Boolean.TRUE);
        final Button selectAllButton = ActionButton.createButton(toolkit, composite, selectAllAction);
        setButtonData(selectAllButton);

        final IAction deselectAllAction = new SelectAllAction(this, Boolean.FALSE);
        final Button deselectAllButton = ActionButton.createButton(toolkit, composite, deselectAllAction);
        setButtonData(deselectAllButton);

        return composite;
    }

    @Override
    public void updateControl() {
    }

    @Override
    public boolean isValid() {
        return true;
    }

    private void setButtonData(final Button button) {
        final GC gc = new GC(button);
        gc.setFont(JFaceResources.getDialogFont());
        final FontMetrics fontMetrics = gc.getFontMetrics();
        gc.dispose();

        final GridData data = new GridData(SWT.FILL, SWT.CENTER, true, false);
        final int widthHint = Dialog.convertHorizontalDLUsToPixels(fontMetrics, 30);
        final Point minSize = button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
        data.widthHint = Math.max(widthHint, minSize.x);
        button.setLayoutData(data);
    }

    void changeIsUsed(final Boolean active) {
        final List<FeatureChange> changes = new ArrayList<>();

        final List<?> stations = (List<?>) getFeature().getProperty(getFeatureTypeProperty());
        for (final Object object : stations) {
            final FeatureChange change = new FeatureChange((Feature) object, IThiessenStation.PROPERTY_ACTIVE,
                    active);
            changes.add(change);
        }

        final ChangeFeaturesCommand command = new ChangeFeaturesCommand(getFeature().getWorkspace(),
                changes.toArray(new FeatureChange[changes.size()]));
        fireFeatureChange(command);
    }
}