franta-hg@22: /**
franta-hg@22:  * Rozšířené atributy – program na správu rozšířených atributů souborů
franta-hg@22:  * Copyright © 2012 František Kučera (frantovo.cz)
franta-hg@22:  *
franta-hg@22:  * This program is free software: you can redistribute it and/or modify
franta-hg@22:  * it under the terms of the GNU General Public License as published by
franta-hg@27:  * the Free Software Foundation, either version 3 of the License.
franta-hg@22:  *
franta-hg@22:  * This program is distributed in the hope that it will be useful,
franta-hg@22:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@22:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@22:  * GNU General Public License for more details.
franta-hg@22:  *
franta-hg@22:  * You should have received a copy of the GNU General Public License
franta-hg@22:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
franta-hg@22:  */
franta-hg@28: package cz.frantovo.rozsireneatributy.gui;
franta-hg@22: 
franta-hg@31: import cz.frantovo.rozsireneatributy.Konfigurace;
franta-hg@31: import cz.frantovo.rozsireneatributy.Konfigurace.DefiniceAtributu;
franta-hg@32: import cz.frantovo.rozsireneatributy.Konfigurace.DefiniceHodnoty;
franta-hg@22: import java.awt.Component;
franta-hg@22: import java.awt.event.ActionEvent;
franta-hg@22: import java.awt.event.ActionListener;
franta-hg@22: import java.util.EventObject;
franta-hg@32: import java.util.Objects;
franta-hg@22: import javax.swing.JComboBox;
franta-hg@22: import javax.swing.JTable;
franta-hg@22: import javax.swing.event.CellEditorListener;
franta-hg@22: import javax.swing.event.ChangeEvent;
franta-hg@22: import javax.swing.event.EventListenerList;
franta-hg@22: import javax.swing.table.TableCellEditor;
franta-hg@32: import javax.swing.table.TableModel;
franta-hg@22: 
franta-hg@22: /**
franta-hg@32:  * Umožňuje výběr hodnoty atributu z předvoleného seznamu.
franta-hg@22:  *
franta-hg@22:  * @author Ing. František Kučera (frantovo.cz)
franta-hg@22:  */
franta-hg@32: public class EditorHodnotAtributů
franta-hg@29: 	extends JComboBox<String>
franta-hg@29: 	implements TableCellEditor {
franta-hg@22: 
franta-hg@31: 	private final Konfigurace konfigurace;
franta-hg@32: 	private JTable tabulka;
franta-hg@32: 	private TableModel model;
franta-hg@32: 	private int řádek;
franta-hg@32: 	private int sloupec;
franta-hg@22: 	protected EventListenerList posluchače = new EventListenerList();
franta-hg@22: 	protected ChangeEvent událost = new ChangeEvent(this);
franta-hg@22: 
franta-hg@32: 	public EditorHodnotAtributů(Konfigurace konfigurace) {
franta-hg@22: 		super();
franta-hg@31: 		this.konfigurace = konfigurace;
franta-hg@22: 		setEditable(true);
franta-hg@22: 		addActionListener(new ActionListener() {
franta-hg@22: 
franta-hg@22: 			@Override
franta-hg@22: 			public void actionPerformed(ActionEvent e) {
franta-hg@22: 				fireEditiaceSkončila();
franta-hg@22: 			}
franta-hg@22: 		});
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	protected void fireEditiaceSkončila() {
franta-hg@22: 		for (Object posluchač : posluchače.getListenerList()) {
franta-hg@22: 			if (posluchač instanceof CellEditorListener) {
franta-hg@22: 				((CellEditorListener) posluchač).editingStopped(událost);
franta-hg@22: 			}
franta-hg@22: 		}
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	protected void fireEditiaceZrušena() {
franta-hg@22: 		for (Object posluchač : posluchače.getListenerList()) {
franta-hg@22: 			if (posluchač instanceof CellEditorListener) {
franta-hg@22: 				((CellEditorListener) posluchač).editingCanceled(událost);
franta-hg@22: 			}
franta-hg@22: 		}
franta-hg@22: 	}
franta-hg@22: 
franta-hg@32: 	private void obnovHodnoty(Object hodnotaAtributu) {
franta-hg@22: 		removeAllItems();
franta-hg@22: 
franta-hg@32: 		if (hodnotaAtributu == null) {
franta-hg@32: 			hodnotaAtributu = "";
franta-hg@32: 		} else if (!(hodnotaAtributu instanceof String)) {
franta-hg@32: 			hodnotaAtributu = String.valueOf(hodnotaAtributu);
franta-hg@22: 		}
franta-hg@32: 		addItem((String) hodnotaAtributu);
franta-hg@32: 		setSelectedItem(hodnotaAtributu);
franta-hg@32: 
franta-hg@32: 		Object názevAtributu = model.getValueAt(řádek, Panel.SLOUPEC_NÁZVU);
franta-hg@31: 		for (DefiniceAtributu da : konfigurace.getAtributy()) {
franta-hg@32: 			if (Objects.equals(názevAtributu, da.getNázev())) {
franta-hg@32: 				for (DefiniceHodnoty dh : da.getHodnoty()) {
franta-hg@32: 					addItem(dh.getNázev());
franta-hg@32: 				}
franta-hg@32: 			}
franta-hg@31: 		}
franta-hg@22: 
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	@Override
franta-hg@29: 	public Component getTableCellEditorComponent(
franta-hg@29: 		JTable tabulka,
franta-hg@29: 		Object hodnota,
franta-hg@29: 		boolean vybraná,
franta-hg@29: 		int řádek,
franta-hg@32: 		int sloupec) //
franta-hg@32: 	{
franta-hg@32: 		this.řádek = řádek;
franta-hg@32: 		this.sloupec = sloupec;
franta-hg@32: 		this.tabulka = tabulka;
franta-hg@32: 		this.model = tabulka.getModel();
franta-hg@22: 		obnovHodnoty(hodnota);
franta-hg@32: 		// TODO: více různých instancí?
franta-hg@22: 		return this;
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	@Override
franta-hg@22: 	public Object getCellEditorValue() {
franta-hg@22: 		return getSelectedItem();
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	@Override
franta-hg@22: 	public boolean isCellEditable(EventObject anEvent) {
franta-hg@22: 		return true;
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	@Override
franta-hg@22: 	public boolean shouldSelectCell(EventObject anEvent) {
franta-hg@22: 		return true;
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	@Override
franta-hg@22: 	public boolean stopCellEditing() {
franta-hg@22: 		fireEditiaceSkončila();
franta-hg@22: 		return true;
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	@Override
franta-hg@22: 	public void cancelCellEditing() {
franta-hg@22: 		fireEditiaceZrušena();
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	@Override
franta-hg@22: 	public void addCellEditorListener(CellEditorListener l) {
franta-hg@22: 		posluchače.add(CellEditorListener.class, l);
franta-hg@22: 	}
franta-hg@22: 
franta-hg@22: 	@Override
franta-hg@22: 	public void removeCellEditorListener(CellEditorListener l) {
franta-hg@22: 		posluchače.remove(CellEditorListener.class, l);
franta-hg@22: 	}
franta-hg@22: }