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