gridlayoutfactory.java

POS is a Java&#174 platform-based, mission-critical, ISO-8583 based financial transaction library/fr

/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2008 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.ui.factory;

import java.awt.GridLayout;
import java.util.Iterator;

import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;

import org.jdom.Element;
import org.jpos.ui.UI;
import org.jpos.ui.UIFactory;

/**
 * @author Alejandro Revilla
 *
 * creates a panel with a grid layout
 * i.e:
 * <pre>
 *  &lt;grid rows="yy" columns="xx"&gt;
 *   &lt;cell&gt;...&lt;/cell&gt;
 *   &lt;cell&gt;...&lt;/cell&gt;
 *   &lt;cell&gt;...&lt;/cell&gt;
 *   ...
 *   ...
 *  &lt;/grid&gt;
 * </pre>
 * @see org.jpos.ui.UIFactory
 */
public class GridLayoutFactory implements UIFactory {
    public JComponent create (UI ui, Element e) {
        JComponent p;
        try {
            int rows = Integer.parseInt (e.getAttributeValue  ("rows", "1"));
            int cols = Integer.parseInt (e.getAttributeValue ("columns", "1"));
            p = new JPanel (new GridLayout (rows, cols));
            Iterator iter = e.getChildren ("cell").iterator ();
            while (iter.hasNext())
                p.add (ui.create ((Element) iter.next ()));
        } catch (Exception ex) {
            p = new JLabel (ex.getMessage());
        }
        return p;
    }
}