org.drugis.addis.presentation.wizard.AbstractAnalysisWizardPresentation.java Source code

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Here is the source code for org.drugis.addis.presentation.wizard.AbstractAnalysisWizardPresentation.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.wizard;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.List;

import org.apache.commons.collections15.CollectionUtils;
import org.apache.commons.collections15.Predicate;
import org.drugis.addis.entities.Domain;
import org.drugis.addis.entities.Indication;
import org.drugis.addis.entities.TypeWithName;
import org.drugis.addis.presentation.ModifiableHolder;
import org.drugis.addis.presentation.ValueHolder;
import org.drugis.common.EqualsUtil;
import org.drugis.common.beans.SortedSetModel;

public abstract class AbstractAnalysisWizardPresentation<Analysis extends TypeWithName>
        implements AnalysisWizardPresentation {

    private final class NameEqualsPredicate implements Predicate<TypeWithName> {
        private final String d_name;

        public NameEqualsPredicate(String name) {
            d_name = name;
        }

        @Override
        public boolean evaluate(TypeWithName object) {
            return EqualsUtil.equal(d_name, object.getName());
        }
    }

    protected Domain d_domain;
    protected ModifiableHolder<Indication> d_indicationHolder;
    private ModifiableHolder<String> d_name;
    private ModifiableHolder<Boolean> d_nameValidModel;
    private final List<Analysis> d_categoryContents;

    public AbstractAnalysisWizardPresentation(Domain d, final List<Analysis> categoryContents) {
        d_domain = d;
        d_categoryContents = categoryContents;
        d_indicationHolder = new ModifiableHolder<Indication>();
        d_name = new ModifiableHolder<String>();
        d_name.addPropertyChangeListener(new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent evt) {
                NameEqualsPredicate pred = new NameEqualsPredicate(d_name.getValue());
                d_nameValidModel.setValue(getNameModel().getValue() != null && !getNameModel().getValue().isEmpty()
                        && CollectionUtils.find(categoryContents, pred) == null);
            }
        });
        d_nameValidModel = new ModifiableHolder<Boolean>(false);
    }

    /**
     * Build an analysis based on the inputs of the creation wizard (to be called when the wizard is complete).
     * @param name The name of the analysis to be created.
     * @return A new analysis with the correct contents.
     */
    public abstract Analysis createAnalysis(String name);

    public Analysis saveAnalysis() {
        if (!d_nameValidModel.getValue()) {
            throw new RuntimeException(
                    "Attempt to save an analysis with an invalid or duplicate name: " + d_name.getValue());
        }
        Analysis a = createAnalysis(d_name.getValue());
        d_categoryContents.add(a);
        return a;
    }

    public ValueHolder<Indication> getIndicationModel() {
        return d_indicationHolder;
    }

    public SortedSetModel<Indication> getIndicationsModel() {
        return d_domain.getIndications();
    }

    @Override
    public ValueHolder<String> getNameModel() {
        return d_name;
    }

    @Override
    public ValueHolder<Boolean> getNameValidModel() {
        return d_nameValidModel;
    }
}