DlgImport.java

/*
 * This file is part of jHaushalt.
 * jHaushalt 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.
 * jHaushalt 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 jHaushalt; if not, see <http://www.gnu.org/licenses/>.
 * (C)opyright 2002-2010 Dr. Lars H. Hahn
 */

package haushalt.gui.dialoge;

import haushalt.auswertung.CsvHandler;
import haushalt.gui.Haushalt;
import haushalt.gui.TextResource;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;

/**
 * Mit der Hilfe des Dialogs werden die Spalten der Import-
 * datei den vier Spalten von jHaushalt zugeordnet.
 * 
 * @author Dr. Lars H. Hahn
 * @version 2.5/2007.03.08
 * @since 2.1
 */

/*
 * 2007.03.08 Internationalisierung
 * 2006.01.28 Erste Version
 */
public class DlgImport extends JDialog {

	private static final long serialVersionUID = 1L;
	private static final TextResource RES = TextResource.get();

	// GUI-Komponenten
	private final JTabbedPane tabbedPane = new JTabbedPane();
	private final JPanel paneZwei = new JPanel();
	private final JPanel paneMit = new JPanel();
	private final JPanel paneOhne = new JPanel();
	private final JPanel buttonPane = new JPanel();
	private final JButton buttonOK = new JButton(RES.getString("button_ok"));
	private final JButton buttonAbbruch = new JButton(RES.getString("button_cancel"));
	private final JButton buttonWeiter = new JButton(RES.getString("button_continue"));
	private final JLabel[] labelMit = {
			new JLabel(RES.getString("date")), new JLabel(RES.getString("posting_text")), new JLabel(RES.getString("category")),
			new JLabel(RES.getString("amount"))};
	private final JLabel[] labelOhne = {
			new JLabel(RES.getString("date")), new JLabel(RES.getString("posting_text")), new JLabel(RES.getString("category")),
			new JLabel(RES.getString("amount"))};
	private final JCheckBox checkBox = new JCheckBox(RES.getString("first_row_contains_column_names"));
	private final JComboBox[] comboBoxMit = new JComboBox[4];
	private final JComboBox[] comboBoxOhne = new JComboBox[4];

	private final int[] gewaehlt = new int[4];
	private String[][] tabelle = null;
	private boolean ok = false;
	private final CsvHandler csvHandler = new CsvHandler();
	private final CsvHandler.CsvPane csvPane;

	public DlgImport(final Haushalt haushalt) {
		super(haushalt.getFrame(), RES.getString("import_csv"), true);
		final Container contentPane = getContentPane();
		contentPane.add(this.tabbedPane, BorderLayout.CENTER);
		contentPane.add(this.buttonPane, BorderLayout.SOUTH);
		this.buttonOK.addActionListener(new ActionListener() {

			public void actionPerformed(final ActionEvent e) {
				DlgImport.this.ok = true;
				setVisible(false);
			}
		});
		this.buttonOK.setEnabled(false);
		this.buttonWeiter.addActionListener(new ActionListener() {

			public void actionPerformed(final ActionEvent e) {
				if (DlgImport.this.csvPane.laden()) {
					DlgImport.this.tabelle = DlgImport.this.csvHandler.getTabelle();
					final int anzahlSpalten = DlgImport.this.tabelle[0].length;
					final String[] listeMit = new String[anzahlSpalten + 1];
					final String[] listeOhne = new String[anzahlSpalten + 1];
					listeMit[0] = "leer";
					listeOhne[0] = "leer";
					for (int i = 1; i < anzahlSpalten + 1; i++) {
						listeMit[i] = DlgImport.this.tabelle[0][i - 1];
						listeOhne[i] = RES.getString("csv_import_column") + " " + i;
					}
					final ActionListener actionListener = new ActionListener() {

						public void actionPerformed(final ActionEvent event) {
							for (int i = 0; i < 4; i++) {
								if (event.getSource() == DlgImport.this.comboBoxMit[i]) {
									DlgImport.this.gewaehlt[i] = DlgImport.this.comboBoxMit[i].getSelectedIndex();
								}
								if (event.getSource() == DlgImport.this.comboBoxOhne[i]) {
									DlgImport.this.gewaehlt[i] = DlgImport.this.comboBoxOhne[i].getSelectedIndex();
								}
							}
						}
					};
					for (int i = 0; i < 4; i++) {
						DlgImport.this.comboBoxMit[i] = new JComboBox(listeMit);
						DlgImport.this.comboBoxMit[i].addActionListener(actionListener);
						DlgImport.this.comboBoxOhne[i] = new JComboBox(listeOhne);
						DlgImport.this.comboBoxOhne[i].addActionListener(actionListener);
						if (DlgImport.this.comboBoxOhne[i].getItemCount() > i + 1) {
							DlgImport.this.comboBoxOhne[i].setSelectedIndex(i + 1);
						}
						DlgImport.this.paneMit.add(DlgImport.this.labelMit[i]);
						DlgImport.this.paneMit.add(DlgImport.this.comboBoxMit[i]);
						DlgImport.this.paneOhne.add(DlgImport.this.labelOhne[i]);
						DlgImport.this.paneOhne.add(DlgImport.this.comboBoxOhne[i]);
					}
					DlgImport.this.tabbedPane.setEnabledAt(1, true);
					DlgImport.this.tabbedPane.setSelectedIndex(1);
					DlgImport.this.buttonWeiter.setEnabled(false);
					DlgImport.this.buttonOK.setEnabled(true);
				} else {
					JOptionPane.showMessageDialog(
							haushalt.getFrame(),
							RES.getString("could_not_load"),
							RES.getString("error"),
							JOptionPane.INFORMATION_MESSAGE);
				}
			}
		});
		this.buttonAbbruch.addActionListener(new ActionListener() {

			public void actionPerformed(final ActionEvent e) {
				DlgImport.this.ok = false;
				setVisible(false);
			}
		});
		this.buttonPane.add(this.buttonAbbruch);
		this.buttonPane.add(this.buttonWeiter);
		this.buttonPane.add(this.buttonOK);

		this.csvPane = this.csvHandler.new CsvPane(haushalt.getFrame(), haushalt.getOrdner(), true);
		this.tabbedPane.addTab(RES.getString("choose_file"), this.csvPane);
		this.paneMit.setLayout(new GridLayout(4, 2));
		this.paneOhne.setLayout(new GridLayout(4, 2));
		this.paneZwei.setLayout(new BorderLayout());
		this.paneZwei.add(this.checkBox, BorderLayout.NORTH);
		this.paneZwei.add(this.paneOhne, BorderLayout.CENTER);
		this.tabbedPane.addTab(RES.getString("assign_columns"), this.paneZwei);
		this.tabbedPane.setEnabledAt(1, false);
		this.checkBox.addItemListener(new ItemListener() {

			public void itemStateChanged(final ItemEvent e) {
				final JCheckBox sourceCheckBox = (JCheckBox) e.getSource();
				if (sourceCheckBox.isSelected()) {
					DlgImport.this.paneZwei.remove(DlgImport.this.paneOhne);
					DlgImport.this.paneZwei.add(DlgImport.this.paneMit, BorderLayout.CENTER);
					for (int i = 0; i < 4; i++) {
						DlgImport.this.comboBoxMit[i].setSelectedIndex(DlgImport.this.gewaehlt[i]);
						DlgImport.this.comboBoxMit[i].setEnabled(true);
					}
				} else {
					DlgImport.this.paneZwei.remove(DlgImport.this.paneMit);
					DlgImport.this.paneZwei.add(DlgImport.this.paneOhne, BorderLayout.CENTER);
					for (int i = 0; i < 4; i++) {
						DlgImport.this.comboBoxOhne[i].setSelectedIndex(DlgImport.this.gewaehlt[i]);
						DlgImport.this.comboBoxOhne[i].setEnabled(true);
					}
				}
				contentPane.validate();
			}
		});
	}

	public String[][] getImportTabelle() {
		if (!this.ok) {
			return null;
		}
		final int start = this.checkBox.isSelected() ? 1 : 0;
		final String[][] importTabelle = new String[this.tabelle.length - start][4];
		for (int i = start; i < this.tabelle.length; i++) {
			for (int j = 0; j < 4; j++) {
				if (this.gewaehlt[j] != 0) {
					importTabelle[i - start][j] = this.tabelle[i][this.gewaehlt[j] - 1];
				} else {
					importTabelle[i - start][j] = "";
				}
			}
		}
		return importTabelle;
	}

}