001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.gui.preferences.advanced;
003
004import static org.openstreetmap.josm.tools.I18n.tr;
005
006import java.awt.GridBagLayout;
007import java.util.ArrayList;
008import java.util.List;
009
010import javax.swing.DefaultCellEditor;
011import javax.swing.JComponent;
012import javax.swing.JLabel;
013import javax.swing.JPanel;
014import javax.swing.JScrollPane;
015import javax.swing.JTable;
016import javax.swing.table.AbstractTableModel;
017
018import org.openstreetmap.josm.gui.util.TableHelper;
019import org.openstreetmap.josm.gui.widgets.JosmTextField;
020import org.openstreetmap.josm.spi.preferences.ListSetting;
021import org.openstreetmap.josm.tools.GBC;
022import org.openstreetmap.josm.tools.SubclassFilteredCollection;
023import org.openstreetmap.josm.tools.Utils;
024
025/**
026 * Editor for List preference entries.
027 * @since 4634
028 */
029public class ListEditor extends AbstractListEditor<String> {
030
031    private final ListSettingTableModel model;
032
033    /**
034     * Constructs a new {@code ListEditor}.
035     * @param gui The parent component
036     * @param entry preference entry
037     * @param setting list setting
038     */
039    public ListEditor(final JComponent gui, PrefEntry entry, ListSetting setting) {
040        super(gui, tr("Change list setting"), entry);
041        model = new ListSettingTableModel(setting.getValue());
042        setContent(build(), false);
043    }
044
045    @Override
046    public List<String> getData() {
047        return new ArrayList<>(SubclassFilteredCollection.filter(model.getData(), object -> !Utils.isEmpty(object)));
048    }
049
050    @Override
051    protected final JPanel build() {
052        JPanel p = new JPanel(new GridBagLayout());
053        p.add(new JLabel(tr("Key: {0}", entry.getKey())), GBC.eol().insets(0, 0, 5, 0));
054        JTable table = new JTable(model);
055        TableHelper.setFont(table, getClass());
056        table.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);
057        table.setTableHeader(null);
058
059        DefaultCellEditor editor = new DefaultCellEditor(new JosmTextField());
060        editor.setClickCountToStart(1);
061        table.setDefaultEditor(table.getColumnClass(0), editor);
062
063        JScrollPane pane = new JScrollPane(table);
064        p.add(pane, GBC.eol().insets(5, 10, 0, 0).fill());
065        return p;
066    }
067
068    static class ListSettingTableModel extends AbstractTableModel {
069
070        private final List<String> data;
071
072        ListSettingTableModel(List<String> orig) {
073            if (orig != null) {
074                data = new ArrayList<>(orig);
075            } else {
076                data = new ArrayList<>();
077            }
078        }
079
080        public List<String> getData() {
081            return data;
082        }
083
084        @Override
085        public int getRowCount() {
086            return data.size() + 1;
087        }
088
089        @Override
090        public int getColumnCount() {
091            return 1;
092        }
093
094        @Override
095        public Object getValueAt(int row, int column) {
096            return data.size() == row ? "" : data.get(row);
097        }
098
099        @Override
100        public void setValueAt(Object o, int row, int column) {
101            String s = (String) o;
102            if (row == data.size()) {
103                data.add(s);
104                fireTableRowsInserted(row+1, row+1);
105            } else {
106                data.set(row, s);
107            }
108            fireTableCellUpdated(row, column);
109        }
110
111        @Override
112        public boolean isCellEditable(int row, int column) {
113            return true;
114        }
115    }
116}