org.drugis.addis.presentation.RiskScalePresentation.java Source code

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Here is the source code for org.drugis.addis.presentation.RiskScalePresentation.java

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/*
 * This file is part of ADDIS (Aggregate Data Drug Information System).
 * ADDIS is distributed from http://drugis.org/.
 * Copyright  2009 Gert van Valkenhoef, Tommi Tervonen.
 * Copyright  2010 Gert van Valkenhoef, Tommi Tervonen, Tijs Zwinkels,
 * Maarten Jacobs, Hanno Koeslag, Florin Schimbinschi, Ahmad Kamal, Daniel
 * Reid.
 * Copyright  2011 Gert van Valkenhoef, Ahmad Kamal, Daniel Reid, Florin
 * Schimbinschi.
 * Copyright  2012 Gert van Valkenhoef, Daniel Reid, Jol Kuiper, Wouter
 * Reckman.
 * Copyright  2013 Gert van Valkenhoef, Jol Kuiper.
 *
 * 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/>.
 */

package org.drugis.addis.presentation;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import org.drugis.common.Interval;

import com.jgoodies.binding.PresentationModel;
import com.jgoodies.binding.value.AbstractValueModel;

import fi.smaa.jsmaa.model.ScaleCriterion;

@SuppressWarnings("serial")
public class RiskScalePresentation extends PresentationModel<ScaleCriterion> {
    public abstract class ScaleConvertingValueModel extends AbstractValueModel {
        public ScaleConvertingValueModel() {
            this(true, false);
        }

        public ScaleConvertingValueModel(final boolean listenScale, final boolean listenDirection) {
            getBean().addPropertyChangeListener(new PropertyChangeListener() {
                public void propertyChange(PropertyChangeEvent evt) {
                    if (evt.getPropertyName().equals(ScaleCriterion.PROPERTY_SCALE) && listenScale) {
                        fireValueChange(null, getValue());
                    } else if (evt.getPropertyName().equals(ScaleCriterion.PROPERTY_ASCENDING) && listenDirection) {
                        fireValueChange(null, getValue());
                    }
                }
            });
        }

        public void setValue(Object newValue) {
            throw new RuntimeException("Not able to set");
        }
    }

    public final class NNTLabelValueModel extends ScaleConvertingValueModel {
        NNTLabelValueModel() {
            super(false, true);
        }

        public Object getValue() {
            return getNumberNeededToTreatLabel();
        }
    }

    public final class NNTValueModel extends ScaleConvertingValueModel {
        public Object getValue() {
            return getNumberNeededToTreat();
        }
    }

    public final class RiskDifferenceValueModel extends ScaleConvertingValueModel {
        public Object getValue() {
            return getRiskDifference();
        }
    }

    public final class RiskValueModel extends ScaleConvertingValueModel {
        public Object getValue() {
            return getRisk();
        }
    }

    public static final String PROPERTY_RISK = "risk";
    public static final String PROPERTY_RISK_DIFFERENCE = "riskDifference";
    public static final String PROPERTY_NNT = "numberNeededToTreat";
    public static final String PROPERTY_NNT_LABEL = "numberNeededToTreatLabel";

    public RiskScalePresentation(ScaleCriterion criterion) {
        super(criterion);
    }

    @Override
    public AbstractValueModel getModel(String property) {
        if (property.equals(PROPERTY_RISK)) {
            return new RiskValueModel();
        } else if (property.equals(PROPERTY_RISK_DIFFERENCE)) {
            return new RiskDifferenceValueModel();
        } else if (property.equals(PROPERTY_NNT)) {
            return new NNTValueModel();
        } else if (property.equals(PROPERTY_NNT_LABEL)) {
            return new NNTLabelValueModel();
        }
        return super.getModel(property);
    }

    protected Interval<Double> getRisk() {
        return convertInterval(getBean().getScale());
    }

    protected double getRiskDifference() {
        return getRisk().getUpperBound() - getRisk().getLowerBound();
    }

    protected double getNumberNeededToTreat() {
        return 1D / getRiskDifference();
    }

    protected String getNumberNeededToTreatLabel() {
        return getBean().getAscending() ? "NNT" : "NNH";
    }

    protected static Interval<Double> convertInterval(fi.smaa.jsmaa.model.Interval interval) {
        return new Interval<Double>(interval.getStart(), interval.getEnd());
    }
}