/*
 This file is part of the software framework JStatCom, 
 a library for building applications for data based analysis.

 Copyright (C) 2000-2005  Markus Kraetzig

 This library is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as
 published by the Free Software Foundation; either version 2.1 of the
 License, or (at your option) any later version.

 This library 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
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 USA
 */

package com.jstatcom.io;

import java.io.File;
import java.net.URL;

import javax.swing.ImageIcon;
import javax.swing.JInternalFrame;
import javax.swing.JPanel;

import org.apache.log4j.Logger;

/**
 * The Frame containing the import data functionality. The concrete
 * implementation panel must be set via the setImportPanel
 * method.
 * 
 * @author Markus Kraetzig 
 */
public class ImportDataFrame extends JInternalFrame {
    private static final Logger log = Logger.getLogger(ImportDataFrame.class);

    private AbstractImportPanel importPanel = null;

    private JPanel ivjContentPane = null;

    /**
     * OpenFrame constructor comment.
     */
    public ImportDataFrame() {
        super();
        initialize();
    }

    /**
     * Initiates importing data. It calls the importData method
     * of the underlying AbstractImportPanel.
     * 
     * @return true if import was successful
     * @throws IllegalStateException
     *             if no import panel has been set before
     * 
     */
    public boolean importData() {
        if (importPanel == null)
            throw new IllegalStateException("No import panel set.");
        return importPanel.importData();
    }

    /**
     * Initiates importing data for athe given file. It calls the
     * importData method of the underlying
     * AbstractImportPanel.
     * 
     * @param importFile
     *            the file to read data from
     * @return true if import was successful
     * @throws IllegalStateException
     *             if no import panel has been set before
     */
    public boolean importData(File importFile) {
        if (importPanel == null)
            throw new IllegalStateException("No import panel set.");
        return importPanel.importData(importFile);
    }

    /**
     * Return the ContentPane property value.
     * 
     * @return javax.swing.JPanel
     */
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private javax.swing.JPanel getIvjContentPane() {
        if (ivjContentPane == null) {
            try {
                ivjContentPane = new javax.swing.JPanel();
                ivjContentPane.setName("InternalFrameContentPane");
                ivjContentPane.setLayout(new javax.swing.BoxLayout(
                        getIvjContentPane(), javax.swing.BoxLayout.X_AXIS));
                // user code begin {1}
                // user code end
            } catch (Throwable ivjExc) {
                // user code begin {2}
                // user code end
                handleException(ivjExc);
            }
        }
        return ivjContentPane;
    }

    /**
     * Called whenever the part throws an exception.
     * 
     * @param exception
     *            Exception
     */
    private void handleException(Throwable exception) {

        log.error("Unhandled Exception", exception);
    }

    /**
     * Initialize the class.
     */
    /* WARNING: THIS METHOD WILL BE REGENERATED. */
    private void initialize() {
        try {
            // user code begin {1}
            // user code end
            setClosable(true);
            setResizable(true);
            setMaximizable(true);
            setIconifiable(true);
            setName("OpenFrame");
            setSize(600, 400);
            setMinimumSize(new java.awt.Dimension(600, 400));
            setTitle("Import Dataset");
            setContentPane(getIvjContentPane());
        } catch (Throwable ivjExc) {
            handleException(ivjExc);
        }
        // user code begin {2}
        URL url = getClass().getResource("/images/import.gif");
        if (url != null)
            setFrameIcon(new ImageIcon(url));
        // user code end
    }

    /**
     * Sets the panel implementing the import functionality.
     * 
     * @param panel
     *            the concrete import GUI
     * @throws IllegalArgumentException
     *             if (panel == null)
     */
    public void setImportPanel(AbstractImportPanel panel) {
        if (panel == null)
            throw new IllegalArgumentException("Panel was null.");
        importPanel = panel;
        getIvjContentPane().add(importPanel, importPanel.getName());
    }

}