org.kalypso.zml.ui.table.commands.menu.ZmlCommandSetValuesAbove.java Source code

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Here is the source code for org.kalypso.zml.ui.table.commands.menu.ZmlCommandSetValuesAbove.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.zml.ui.table.commands.menu;

import java.util.Date;

import org.apache.commons.lang3.StringUtils;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.kalypso.commons.exception.CancelVisitorException;
import org.kalypso.ogc.sensor.SensorException;
import org.kalypso.ogc.sensor.TupleModelDataSet;
import org.kalypso.ogc.sensor.metadata.ITimeseriesConstants;
import org.kalypso.ogc.sensor.status.KalypsoStati;
import org.kalypso.ogc.sensor.transaction.TupleModelTransaction;
import org.kalypso.ogc.sensor.transaction.UpdateTupleModelDataSetCommand;
import org.kalypso.repository.IDataSourceItem;
import org.kalypso.zml.core.table.model.IZmlModelColumn;
import org.kalypso.zml.core.table.model.editing.IZmlEditingStrategy;
import org.kalypso.zml.core.table.model.interpolation.ZmlInterpolationWorker;
import org.kalypso.zml.core.table.model.references.IZmlModelValueCell;
import org.kalypso.zml.core.table.model.references.labeling.ZmlModelCellLabelProvider;
import org.kalypso.zml.core.table.model.view.ZmlModelViewport;
import org.kalypso.zml.core.table.model.visitor.IZmlModelColumnVisitor;
import org.kalypso.zml.ui.i18n.Messages;
import org.kalypso.zml.ui.table.IZmlTable;
import org.kalypso.zml.ui.table.commands.ZmlHandlerUtil;
import org.kalypso.zml.ui.table.nat.layers.IZmlTableSelection;

/**
 * @author Dirk Kuch
 */
public class ZmlCommandSetValuesAbove extends AbstractHandler {

    @Override
    public Object execute(final ExecutionEvent event) throws ExecutionException {
        try {
            final IZmlTable table = ZmlHandlerUtil.getTable(event);
            final ZmlModelViewport model = table.getModelViewport();
            final IZmlTableSelection selection = table.getSelection();
            final IZmlModelValueCell active = selection.getFocusCell();
            if (active == null)
                return Status.CANCEL_STATUS;

            final IZmlModelColumn column = active.getColumn();
            final IZmlEditingStrategy strategy = model.getEditingStrategy(column);

            if (strategy.isAggregated()) {
                final ZmlModelCellLabelProvider provider = new ZmlModelCellLabelProvider(column);
                final String targetValue = provider.getText(table.getModelViewport(), active);

                IZmlModelValueCell ptr = model.findPreviousCell(active);
                while (ptr != null) {
                    strategy.setValue(ptr, targetValue);

                    ptr = model.findPreviousCell(ptr);
                }
            } else {
                final Object targetValue = active.getValue();
                final Date base = active.getIndexValue();

                final TupleModelTransaction transaction = new TupleModelTransaction(column.getTupleModel(),
                        column.getMetadata());

                column.accept(new IZmlModelColumnVisitor() {
                    @Override
                    public void visit(final IZmlModelValueCell ref) throws CancelVisitorException {
                        final Date current = ref.getIndexValue();
                        if (current.after(base) || current.equals(base))
                            throw new CancelVisitorException();

                        final TupleModelDataSet dataset = new TupleModelDataSet(column.getValueAxis(), targetValue,
                                KalypsoStati.BIT_USER_MODIFIED, IDataSourceItem.SOURCE_MANUAL_CHANGED);
                        transaction.add(new UpdateTupleModelDataSetCommand(ref.getModelIndex(), dataset, true));
                    }
                });

                column.getTupleModel().execute(transaction);
            }

            doInterpolation(column);

            return Status.OK_STATUS;
        } catch (final Exception e) {
            throw new ExecutionException(Messages.ZmlCommandSetValuesAbove_0, e);
        }
    }

    private void doInterpolation(final IZmlModelColumn column) throws SensorException {
        final String type = column.getDataColumn().getValueAxis();
        if (StringUtils.equalsIgnoreCase(ITimeseriesConstants.TYPE_POLDER_CONTROL, type))
            return;

        /**
         * re-interpolate complete observation because of table view filter (like 12h view, stueztstellen ansicht, etc)
         */
        final ZmlInterpolationWorker interpolationWorker = new ZmlInterpolationWorker(column);
        interpolationWorker.execute(new NullProgressMonitor());

        // TODO status handling
    }
}