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