EDIT

/**

 * Copyright (C) 2018 EDIT

 * European Distributed Institute of Taxonomy

 * http://www.e-taxonomy.eu

 *

 * The contents of this file are subject to the Mozilla Public License Version 1.1

 * See LICENSE.TXT at the top of this package for the full license terms.

 */

package eu.etaxonomy.taxeditor.editor.workingSet.matrix;

import org.eclipse.nebula.widgets.nattable.config.IConfigRegistry;

import org.eclipse.nebula.widgets.nattable.data.IDataProvider;

import org.eclipse.nebula.widgets.nattable.style.DisplayMode;

import org.eclipse.nebula.widgets.nattable.summaryrow.DefaultSummaryRowConfiguration;

import org.eclipse.nebula.widgets.nattable.summaryrow.ISummaryProvider;

import org.eclipse.nebula.widgets.nattable.summaryrow.SummaryRowConfigAttributes;

import org.eclipse.nebula.widgets.nattable.summaryrow.SummaryRowLayer;

import org.eclipse.nebula.widgets.nattable.util.GUIHelper;

import eu.etaxonomy.cdm.model.description.Feature;

import eu.etaxonomy.cdm.model.description.QuantitativeData;

/**

 * @author pplitzner

 * @since Jan 4, 2018

 *

 */

public class AggregationConfiguration extends DefaultSummaryRowConfiguration {

    private final IDataProvider dataProvider;

    private Feature feature;

    public AggregationConfiguration(IDataProvider dataProvider, Feature feature) {

        this.dataProvider = dataProvider;

        this.feature = feature;

        this.summaryRowBgColor = GUIHelper.COLOR_BLUE;

        this.summaryRowFgColor = GUIHelper.COLOR_WHITE;

    }

    @Override

    public void addSummaryProviderConfig(IConfigRegistry configRegistry) {

        if(feature.isSupportsQuantitativeData()){

            configRegistry.registerConfigAttribute(

                    SummaryRowConfigAttributes.SUMMARY_PROVIDER,

                    new QuantitativeSummaryProvider(),

                    DisplayMode.NORMAL,

                    SummaryRowLayer.DEFAULT_SUMMARY_COLUMN_CONFIG_LABEL_PREFIX+MatrixUtility.getProperty(feature));

        }

    }

    class QuantitativeSummaryProvider implements ISummaryProvider {

        @Override

        public Object summarize(int columnIndex) {

            Float minTotal = null;

            Float maxTotal = null;

            int rowCount = AggregationConfiguration.this.dataProvider.getRowCount();

            for (int rowIndex = 0; rowIndex < rowCount; rowIndex++) {

                Object dataValue = AggregationConfiguration.this.dataProvider.getDataValue(columnIndex,

                        rowIndex);

                if(dataValue instanceof QuantitativeData){

                    QuantitativeData quantitativeData = (QuantitativeData)dataValue;

                    Float min = quantitativeData.getMin();

                    Float max = quantitativeData.getMax();

                    if(minTotal==null || min<minTotal){

                        minTotal = min;

                    }

                    if(maxTotal==null || max>maxTotal){

                        maxTotal = max;

                    }

                }

            }

            String summaryString = "";

            if(minTotal!=null){

                summaryString += "from "+minTotal;

            }

            if(maxTotal!=null){

                summaryString += " up to "+maxTotal;

            }

            return summaryString;

        }

    }

}