org.drugis.addis.gui.renderer.EntityCellRenderer.java Source code

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Here is the source code for org.drugis.addis.gui.renderer.EntityCellRenderer.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.gui.renderer;

import java.awt.Component;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;

import org.apache.commons.lang.StringUtils;
import org.drugis.addis.entities.Entity;

public class EntityCellRenderer implements TableCellRenderer {
    private final TableCellRenderer d_defaultRenderer;

    public EntityCellRenderer(TableCellRenderer defaultRenderer) {
        d_defaultRenderer = defaultRenderer;
    }

    @Override
    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
            int row, int column) {
        return d_defaultRenderer.getTableCellRendererComponent(table, getDescription(value, false), isSelected,
                hasFocus, row, column);
    }

    private String getDescription(Object value, boolean nested) {
        if (value instanceof Entity) {
            return ((Entity) value).getLabel();
        }
        if (value instanceof Collection) {
            return getElementDescriptions((Collection<?>) value, nested);
        }
        return value == null ? "N/A" : value.toString();
    }

    private String getElementDescriptions(Collection<?> c, boolean nested) {
        List<String> desc = new ArrayList<String>();
        for (Object o : c) {
            desc.add(getDescription(o, true));
        }
        String str = StringUtils.join(desc, ", ");
        return nested ? ("[" + str + "]") : str;
    }

    public static void insertEntityRenderer(JTable table) {
        final TableCellRenderer defaultRenderer = table.getDefaultRenderer(Object.class);
        EntityCellRenderer renderer = new EntityCellRenderer(defaultRenderer);
        table.setDefaultRenderer(Object.class, renderer);
        // Entity is an interface, and if something returns a sub-interface of Entity, that is not a sub-type of Object
        // Hence, we have to attach the renderer to Entity.class as well.
        table.setDefaultRenderer(Entity.class, renderer);
    }
}