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.Dimension;
007import java.awt.GridBagLayout;
008import java.util.ArrayList;
009import java.util.List;
010
011import javax.swing.DefaultCellEditor;
012import javax.swing.JComponent;
013import javax.swing.JLabel;
014import javax.swing.JPanel;
015import javax.swing.JScrollPane;
016import javax.swing.JTable;
017import javax.swing.table.AbstractTableModel;
018
019import org.openstreetmap.josm.data.Preferences.ListSetting;
020import org.openstreetmap.josm.gui.ExtendedDialog;
021import org.openstreetmap.josm.gui.widgets.JosmTextField;
022import org.openstreetmap.josm.tools.GBC;
023import org.openstreetmap.josm.tools.Predicate;
024import org.openstreetmap.josm.tools.Utils;
025import org.openstreetmap.josm.tools.WindowGeometry;
026
027/**
028 * Editor for List preference entries.
029 */
030public class ListEditor extends ExtendedDialog {
031
032    private List<String> data;
033    private final transient PrefEntry entry;
034
035    /**
036     * Constructs a new {@code ListEditor}.
037     * @param gui The parent component
038     * @param entry preference entry
039     * @param setting list setting
040     */
041    public ListEditor(final JComponent gui, PrefEntry entry, ListSetting setting) {
042        super(gui, tr("Change list setting"), new String[] {tr("OK"), tr("Cancel")});
043        this.entry = entry;
044        List<String> orig = setting.getValue();
045        if (orig != null) {
046            data = new ArrayList<>(orig);
047        } else {
048            data = new ArrayList<>();
049        }
050        setButtonIcons(new String[] {"ok.png", "cancel.png"});
051        setRememberWindowGeometry(getClass().getName() + ".geometry", WindowGeometry.centerInWindow(gui, new Dimension(300, 350)));
052        setContent(build(), false);
053    }
054
055    /**
056     * Returns the list of values.
057     * @return The list of values.
058     */
059    public List<String> getData() {
060        return new ArrayList<>(Utils.filter(data, new Predicate<String>() {
061            @Override
062            public boolean evaluate(String object) {
063                return object != null && !object.isEmpty();
064            }
065        }));
066    }
067
068    protected final JPanel build() {
069        JPanel p = new JPanel(new GridBagLayout());
070        p.add(new JLabel(tr("Key: {0}", entry.getKey())), GBC.eol().insets(0, 0, 5, 0));
071        ListSettingTableModel listModel = new ListSettingTableModel();
072        JTable table = new JTable(listModel);
073        table.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);
074        table.setTableHeader(null);
075
076        DefaultCellEditor editor = new DefaultCellEditor(new JosmTextField());
077        editor.setClickCountToStart(1);
078        table.setDefaultEditor(table.getColumnClass(0), editor);
079
080        JScrollPane pane = new JScrollPane(table);
081        p.add(pane, GBC.eol().insets(5, 10, 0, 0).fill());
082        return p;
083    }
084
085    class ListSettingTableModel extends AbstractTableModel {
086
087        public List<String> getData() {
088            return data;
089        }
090
091        @Override
092        public int getRowCount() {
093            return data.size() + 1;
094        }
095
096        @Override
097        public int getColumnCount() {
098            return 1;
099        }
100
101        @Override
102        public Object getValueAt(int row, int column) {
103            return data.size() == row ? "" : data.get(row);
104        }
105
106        @Override
107        public void setValueAt(Object o, int row, int column) {
108            String s = (String) o;
109            if (row == data.size()) {
110                data.add(s);
111                fireTableRowsInserted(row+1, row+1);
112            } else {
113                data.set(row, s);
114            }
115            fireTableCellUpdated(row, column);
116        }
117
118        @Override
119        public boolean isCellEditable(int row, int column) {
120            return true;
121        }
122    }
123}