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

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Here is the source code for org.drugis.addis.presentation.PropertyListHolder.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 java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;

import org.drugis.addis.util.comparator.AlphabeticalComparator;

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

/**
 * Wraps a beans-property that returns a list in a ListHolder
 */
@SuppressWarnings("serial")
public class PropertyListHolder<E> extends ModifiableHolder<List<E>> implements PropertyChangeListener {
    private final AbstractValueModel d_vm;

    @SuppressWarnings({ "unchecked", "rawtypes" })
    public PropertyListHolder(Object bean, String propertyName, Class<E> objType) {
        PresentationModel pm = new PresentationModel(bean);
        d_vm = pm.getModel(propertyName);

        if (d_vm.getValue() instanceof ObservableList<?>) {
            ((ObservableList<?>) d_vm.getValue()).addListDataListener(new ListDataListener() {
                @Override
                public void intervalRemoved(ListDataEvent e) {
                    fireValueChange(null, getValue());
                }

                @Override
                public void intervalAdded(ListDataEvent e) {
                    fireValueChange(null, getValue());
                }

                @Override
                public void contentsChanged(ListDataEvent e) {
                    fireValueChange(null, getValue());
                }
            });
        } else {
            d_vm.addValueChangeListener(this);
        }
    }

    @SuppressWarnings({ "unchecked", "rawtypes" })
    @Override
    public List<E> getValue() {
        if (d_vm.getValue() instanceof Set) {
            List<E> list = new ArrayList((Set<E>) d_vm.getValue());
            Collections.sort(list, new AlphabeticalComparator());
            return list;
        }
        return Collections.unmodifiableList((List<E>) d_vm.getValue());
    }

    @SuppressWarnings("unchecked")
    @Override
    public void setValue(Object list) {
        if (d_vm.getValue() instanceof ObservableList) {
            ((ObservableList<E>) d_vm.getValue()).clear();
            ((ObservableList<E>) d_vm.getValue()).addAll((List<E>) list);
        } else if (d_vm.getValue() instanceof List) {
            d_vm.setValue((List<E>) list);
        } else if (d_vm.getValue() instanceof Set) {
            HashSet<E> hashSet = new HashSet<E>();
            for (int i = 0; i < ((List<E>) list).size(); i++) {
                hashSet.add(((List<E>) list).get(i));
            }
            d_vm.setValue(hashSet);
        }
    }

    public void propertyChange(PropertyChangeEvent event) {
        fireValueChange(null, getValue());
    }
}