SiLeBAT/FSK-Lab

/*******************************************************************************
 * Copyright (c) 2015 Federal Institute for Risk Assessment (BfR), Germany
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     Department Biological Safety - BfR
 *******************************************************************************/
package de.bund.bfr.knime.pmm.dataviewandselect;

import java.io.File;
import java.io.IOException;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.knime.core.data.DataTableSpec;
import org.knime.core.node.BufferedDataContainer;
import org.knime.core.node.BufferedDataTable;
import org.knime.core.node.CanceledExecutionException;
import org.knime.core.node.ExecutionContext;
import org.knime.core.node.ExecutionMonitor;
import org.knime.core.node.InvalidSettingsException;
import org.knime.core.node.NodeModel;
import org.knime.core.node.NodeSettingsRO;
import org.knime.core.node.NodeSettingsWO;
import org.knime.core.node.port.PortObject;
import org.knime.core.node.port.PortObjectSpec;
import org.knime.core.node.port.PortType;
import org.knime.core.node.port.image.ImagePortObject;

import de.bund.bfr.knime.pmm.common.chart.ChartCreator;
import de.bund.bfr.knime.pmm.common.chart.ChartUtilities;
import de.bund.bfr.knime.pmm.common.generictablemodel.KnimeTuple;
import de.bund.bfr.knime.pmm.common.pmmtablemodel.AttributeUtilities;
import de.bund.bfr.knime.pmm.common.pmmtablemodel.SchemaFactory;

/**
 * This is the model implementation of DataViewAndSelect.
 * 
 * 
 * @author Christian Thoens
 */
public class DataViewAndSelectNodeModel extends NodeModel {

    private SettingsHelper set;

    /**
     * Constructor for the node model.
     */
    protected DataViewAndSelectNodeModel() {
        super(new PortType[] { BufferedDataTable.TYPE }, new PortType[] {
                BufferedDataTable.TYPE, ImagePortObject.TYPE });
        set = new SettingsHelper();
    }

    @Override
    protected PortObject[] execute(PortObject[] inObjects, ExecutionContext exec)
            throws Exception {
        BufferedDataTable table = (BufferedDataTable) inObjects[0];
        TableReader reader = new TableReader(table);
        List<String> ids;

        if (set.isSelectAllIDs()) {
            ids = reader.getIds();
        } else {
            ids = set.getSelectedIDs();
        }

        BufferedDataContainer container = exec
                .createDataContainer(SchemaFactory.createDataSchema()
                        .createSpec());
        Set<String> idSet = new LinkedHashSet<>(ids);
        int index = 0;

        for (int i = 0; i < reader.getAllTuples().size(); i++) {
            KnimeTuple tuple = reader.getAllTuples().get(i);
            String id = reader.getAllIds().get(i);

            if (idSet.contains(id)) {
                container.addRowToTable(tuple);
            }

            exec.checkCanceled();
            exec.setProgress((double) index / (double) table.size(), "");
            index++;
        }

        container.close();

        ChartCreator creator = new ChartCreator(reader.getPlotables(),
                reader.getShortLegend(), reader.getLongLegend());

        creator.setParamX(AttributeUtilities.TIME);
        creator.setParamY(AttributeUtilities.CONCENTRATION);
        creator.setTransformX(set.getTransformX());
        creator.setTransformY(set.getTransformY());
        creator.setColors(set.getColors());
        creator.setShapes(set.getShapes());
        creator.setUseManualRange(set.isManualRange());
        creator.setMinX(set.getMinX());
        creator.setMaxX(set.getMaxX());
        creator.setMinY(set.getMinY());
        creator.setMaxY(set.getMaxY());
        creator.setDrawLines(set.isDrawLines());
        creator.setShowLegend(set.isShowLegend());
        creator.setAddInfoInLegend(set.isAddLegendInfo());
        creator.setUnitX(set.getUnitX());
        creator.setUnitY(set.getUnitY());
        creator.setTransformY(set.getTransformY());

        ImagePortObject image = ChartUtilities.getImage(creator.getChart(ids),
                set.isExportAsSvg());

        return new PortObject[] { container.getTable(), image };
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void reset() {
    }

    @Override
    protected PortObjectSpec[] configure(PortObjectSpec[] inSpecs)
            throws InvalidSettingsException {
        if (!SchemaFactory.createDataSchema().conforms(
                (DataTableSpec) inSpecs[0])) {
            throw new InvalidSettingsException("Wrong input!");
        }

        return new PortObjectSpec[] {
                SchemaFactory.createDataSchema().createSpec(),
                ChartUtilities.getImageSpec(set.isExportAsSvg()) };
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void saveSettingsTo(final NodeSettingsWO settings) {
        set.saveSettings(settings);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void loadValidatedSettingsFrom(final NodeSettingsRO settings)
            throws InvalidSettingsException {
        set.loadSettings(settings);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void validateSettings(final NodeSettingsRO settings)
            throws InvalidSettingsException {
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void loadInternals(final File internDir,
            final ExecutionMonitor exec) throws IOException,
            CanceledExecutionException {
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void saveInternals(final File internDir,
            final ExecutionMonitor exec) throws IOException,
            CanceledExecutionException {
    }

}