001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.ui.factory;
020
021import org.jdom2.Element;
022import org.jpos.ui.UI;
023import org.jpos.ui.UIFactory;
024
025import javax.swing.*;
026import java.awt.*;
027
028/**
029 * UIFactory that builds a Swing panel using {@link BorderLayout} from
030 * {@code <north>/<south>/<east>/<west>/<center>} children.
031 *
032 * @author Alejandro Revilla
033 *
034 * creates a panel with a Border layout
035 * i.e:
036 * <pre>
037 *  &lt;border-layout&gt;
038 *   &lt;north&gt;...&lt;/north&gt;
039 *   &lt;south&gt;...&lt;/south&gt;
040 *   &lt;east&gt;...&lt;/east&gt;
041 *   &lt;west&gt;...&lt;/west&gt;
042 *   &lt;center&gt;...&lt;/center&gt;
043 *  &lt;/border-layout&gt;
044 * </pre>
045 * @see org.jpos.ui.UIFactory
046 */
047public class BorderLayoutFactory implements UIFactory {
048    /** Default constructor for {@link UIFactory} discovery. */
049    public BorderLayoutFactory() {}
050    UI ui;
051
052    public JComponent create (UI ui, Element e) {
053        this.ui    = ui;
054        JPanel p = new JPanel (new BorderLayout ());
055
056        add (p, e.getChild ("north"),  BorderLayout.NORTH);
057        add (p, e.getChild ("south"),  BorderLayout.SOUTH);
058        add (p, e.getChild ("east"),   BorderLayout.EAST);
059        add (p, e.getChild ("west"),   BorderLayout.WEST);
060        add (p, e.getChild ("center"), BorderLayout.CENTER);
061
062        return p;
063    }
064
065    private void add (JPanel p, Element e, String location) {
066        if (e != null)
067            p.add (ui.create (e), location);
068    }
069}
070