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