/**

  * Rozšířené atributy – program na správu rozšířených atributů souborů

  * Copyright © 2012 František Kučera (frantovo.cz)

  *

  * 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.

  *

  * 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 cz.frantovo.rozsireneatributy.gui;

 import java.awt.Component;

 import java.awt.event.ActionEvent;

 import java.awt.event.ActionListener;

 import java.util.EventObject;

 import javax.swing.JComboBox;

 import javax.swing.JTable;

 import javax.swing.event.CellEditorListener;

 import javax.swing.event.ChangeEvent;

 import javax.swing.event.EventListenerList;

 import javax.swing.table.TableCellEditor;

 /**

  * Umožňuje výběr názvu atributu z předvoleného seznamu (standardizované atributy).

  *

  * @author Ing. František Kučera (frantovo.cz)

  */

 public class EditorNázvůAtributů extends JComboBox<String> implements TableCellEditor {

 	protected EventListenerList posluchače = new EventListenerList();

 	protected ChangeEvent událost = new ChangeEvent(this);

 	public EditorNázvůAtributů() {

 		super();

 		setEditable(true);

 		addActionListener(new ActionListener() {

 			@Override

 			public void actionPerformed(ActionEvent e) {

 				fireEditiaceSkončila();

 			}

 		});

 	}

 	protected void fireEditiaceSkončila() {

 		for (Object posluchač : posluchače.getListenerList()) {

 			if (posluchač instanceof CellEditorListener) {

 				((CellEditorListener) posluchač).editingStopped(událost);

 			}

 		}

 	}

 	protected void fireEditiaceZrušena() {

 		for (Object posluchač : posluchače.getListenerList()) {

 			if (posluchač instanceof CellEditorListener) {

 				((CellEditorListener) posluchač).editingCanceled(událost);

 			}

 		}

 	}

 	/**

 	 * TODO:

 	 * - další standardní atributy

 	 * - konfigurovatelnost

 	 *

 	 * @see http://www.freedesktop.org/wiki/CommonExtendedAttributes

 	 */

 	private void obnovHodnoty(Object názevAtributu) {

 		removeAllItems();

 		if (názevAtributu == null) {

 			názevAtributu = "";

 		} else if (!(názevAtributu instanceof String)) {

 			názevAtributu = String.valueOf(názevAtributu);

 		}

 		addItem((String) názevAtributu);

 		setSelectedItem(názevAtributu);

 		// General attributes in current use

 		addItem("mime_type");

 		addItem("charset");

 		addItem("creator");

 		// Proposed metadata attributes

 		addItem("xdg.comment");

 		addItem("xdg.origin.url");

 		addItem("xdg.origin.email.subject");

 		addItem("xdg.origin.email.from");

 		addItem("xdg.origin.email.message-id");

 		addItem("xdg.language");

 		addItem("xdg.creator");

 		addItem("xdg.publisher");

 		// Proposed control attributes

 		addItem("xdg.robots.index");

 		addItem("xdg.robots.backup");

 		// Dublin Core

 		addItem("dublincore.title");

 		addItem("dublincore.creator");

 		addItem("dublincore.subject");

 		addItem("dublincore.description");

 		addItem("dublincore.publisher");

 		addItem("dublincore.contributor");

 		addItem("dublincore.date");

 		addItem("dublincore.type");

 		addItem("dublincore.format");

 		addItem("dublincore.identifier");

 		addItem("dublincore.source");

 		addItem("dublincore.language");

 		addItem("dublincore.relation");

 		addItem("dublincore.coverage");

 		addItem("dublincore.rights");

 		// Application-specific attributes in current use

 		addItem("mime_encoding");

 		addItem("apache_handler");

 		addItem("Beagle.AttrTime");

 		addItem("Beagle.Fingerprint");

 		addItem("Beagle.MTime");

 		addItem("Beagle.Uid");

 	}

 	@Override

 	public Component getTableCellEditorComponent(JTable tabulka, Object hodnota, boolean vybraná, int řádek, int sloupec) {

 		obnovHodnoty(hodnota);

 		return this;

 	}

 	@Override

 	public Object getCellEditorValue() {

 		return getSelectedItem();

 	}

 	@Override

 	public boolean isCellEditable(EventObject anEvent) {

 		return true;

 	}

 	@Override

 	public boolean shouldSelectCell(EventObject anEvent) {

 		return true;

 	}

 	@Override

 	public boolean stopCellEditing() {

 		fireEditiaceSkončila();

 		return true;

 	}

 	@Override

 	public void cancelCellEditing() {

 		fireEditiaceZrušena();

 	}

 	@Override

 	public void addCellEditorListener(CellEditorListener l) {

 		posluchače.add(CellEditorListener.class, l);

 	}

 	@Override

 	public void removeCellEditorListener(CellEditorListener l) {

 		posluchače.remove(CellEditorListener.class, l);

 	}

 }