fi.smaa.jsmaa.gui.presentation.PreferencePresentationModel.java Source code

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Here is the source code for fi.smaa.jsmaa.gui.presentation.PreferencePresentationModel.java

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/*
This file is part of JSMAA.
JSMAA is distributed from http://smaa.fi/.
    
(c) Tommi Tervonen, 2009-2010.
(c) Tommi Tervonen, Gert van Valkenhoef 2011.
(c) Tommi Tervonen, Gert van Valkenhoef, Joel Kuiper, Daan Reid 2012.
(c) Tommi Tervonen, Gert van Valkenhoef, Joel Kuiper, Daan Reid, Raymond Vermaas 2013.
    
JSMAA 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.
    
JSMAA 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 JSMAA.  If not, see <http://www.gnu.org/licenses/>.
*/
package fi.smaa.jsmaa.gui.presentation;

import java.util.List;

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

import fi.smaa.jsmaa.model.CardinalPreferenceInformation;
import fi.smaa.jsmaa.model.Criterion;
import fi.smaa.jsmaa.model.MissingPreferenceInformation;
import fi.smaa.jsmaa.model.OrdinalPreferenceInformation;
import fi.smaa.jsmaa.model.SMAAModel;

@SuppressWarnings("serial")
public class PreferencePresentationModel extends PresentationModel<SMAAModel> {

    public static final String PREFERENCE_TYPE = "preferenceType";
    private OrdinalPreferenceInformation ordinalPreferences;
    private CardinalPreferenceInformation cardinalPreferences;
    private boolean includeCardinal;

    public enum PreferenceType {
        MISSING("Missing"), ORDINAL("Ordinal"), CARDINAL("Cardinal");

        private String label;

        PreferenceType(String label) {
            this.label = label;
        }

        public String getLabel() {
            return label;
        }
    }

    public PreferencePresentationModel(SMAAModel model, boolean includeCardinal) {
        super(model);
        this.includeCardinal = includeCardinal;
    }

    public boolean includesCardinalPreferences() {
        return includeCardinal;
    }

    @Override
    public AbstractValueModel getModel(String property) {
        if (property.equals(PREFERENCE_TYPE)) {
            return new PreferenceTypeValueModel();
        }
        return super.getModel(property);
    }

    public class PreferenceTypeValueModel extends AbstractValueModel {
        public Object getValue() {
            return getPreferenceType();
        }

        public void setValue(Object val) {
            Object oldVal = getPreferenceType();
            setPreferenceType((PreferenceType) val);
            fireValueChange(oldVal, val);
        }
    }

    public void setPreferenceType(PreferenceType preferenceType) {
        Object oldVal = getPreferenceType();
        if (preferenceType == PreferenceType.CARDINAL) {
            getBean().setPreferenceInformation(generateCardinalPreferences());
        } else if (preferenceType == PreferenceType.ORDINAL) {
            getBean().setPreferenceInformation(generateOrdinalPreferences());
        } else if (preferenceType == PreferenceType.MISSING) {
            getBean().setPreferenceInformation(generateMissingPreferences());
        } else {
            throw new RuntimeException("unknown preference type");
        }
        firePropertyChange(PREFERENCE_TYPE, oldVal, preferenceType);
    }

    private CardinalPreferenceInformation generateCardinalPreferences() {
        if (cardinalPreferences == null) {
            cardinalPreferences = new CardinalPreferenceInformation(getBean().getCriteria());
        }
        return cardinalPreferences;
    }

    private OrdinalPreferenceInformation generateOrdinalPreferences() {
        if (ordinalPreferences == null) {
            List<Criterion> crit = getBean().getCriteria();
            ordinalPreferences = new OrdinalPreferenceInformation(crit);
        }
        return ordinalPreferences;
    }

    private MissingPreferenceInformation generateMissingPreferences() {
        return new MissingPreferenceInformation(getBean().getCriteria().size());
    }

    public PreferenceType getPreferenceType() {
        if (getBean().getPreferenceInformation() instanceof MissingPreferenceInformation) {
            return PreferenceType.MISSING;
        } else if (getBean().getPreferenceInformation() instanceof CardinalPreferenceInformation) {
            return PreferenceType.CARDINAL;
        } else if (getBean().getPreferenceInformation() instanceof OrdinalPreferenceInformation) {
            return PreferenceType.ORDINAL;
        }
        throw new RuntimeException("unknown preference type");
    }
}