001    // License: GPL. See LICENSE file for details.
002    package org.openstreetmap.josm.gui.preferences.advanced;
003    
004    import static org.openstreetmap.josm.tools.I18n.tr;
005    
006    import java.awt.Dimension;
007    import java.awt.GridBagLayout;
008    import java.awt.event.ActionEvent;
009    import java.util.ArrayList;
010    import java.util.Arrays;
011    import java.util.Collections;
012    import java.util.LinkedHashMap;
013    import java.util.List;
014    import java.util.Map;
015    import java.util.Map.Entry;
016    
017    import javax.swing.AbstractAction;
018    import javax.swing.AbstractListModel;
019    import javax.swing.DefaultCellEditor;
020    import javax.swing.JLabel;
021    import javax.swing.JList;
022    import javax.swing.JPanel;
023    import javax.swing.JScrollPane;
024    import javax.swing.JTable;
025    import javax.swing.JTextField;
026    import javax.swing.JToolBar;
027    import javax.swing.event.ListSelectionEvent;
028    import javax.swing.event.ListSelectionListener;
029    import javax.swing.table.TableCellEditor;
030    import javax.swing.table.AbstractTableModel;
031    
032    import org.openstreetmap.josm.data.Preferences.MapListSetting;
033    import org.openstreetmap.josm.gui.ExtendedDialog;
034    import org.openstreetmap.josm.gui.preferences.PreferenceTabbedPane;
035    import org.openstreetmap.josm.gui.preferences.advanced.AdvancedPreference.PrefEntry;
036    import org.openstreetmap.josm.tools.GBC;
037    import org.openstreetmap.josm.tools.ImageProvider;
038    import org.openstreetmap.josm.tools.WindowGeometry;
039    
040    public class MapListEditor extends ExtendedDialog {
041    
042        EntryListModel entryModel;
043        PrefEntry entry;
044    
045        JList entryList;
046        JTable table;
047        MapTableModel tableModel;
048    
049        List<List<String>> dataKeys;
050        List<List<String>> dataValues;
051        Integer entryIdx;
052    
053        public MapListEditor(PreferenceTabbedPane gui, PrefEntry entry, MapListSetting setting) {
054            super(gui, tr("Change list of maps setting"), new String[] {tr("OK"), tr("Cancel")});
055            this.entry = entry;
056            List<Map<String, String>> orig = setting.getValue();
057    
058            dataKeys = new ArrayList<List<String>>();
059            dataValues = new ArrayList<List<String>>();
060            if (orig != null) {
061                for (Map<String, String> m : orig) {
062                    List<String> keys = new ArrayList<String>();
063                    List<String> values = new ArrayList<String>();
064                    for (Entry<String, String> e : m.entrySet()) {
065                        keys.add(e.getKey());
066                        values.add(e.getValue());
067                    }
068                    dataKeys.add(keys);
069                    dataValues.add(values);
070                }
071            }
072            setButtonIcons(new String[] {"ok.png", "cancel.png"});
073            setRememberWindowGeometry(getClass().getName() + ".geometry", WindowGeometry.centerInWindow(gui, new Dimension(500, 350)));
074            setContent(build(), false);
075        }
076    
077        public List<Map<String,String>> getData() {
078            List<Map<String,String>> data = new ArrayList<Map<String,String>>();
079            for (int i=0; i < dataKeys.size(); ++i) {
080                Map<String,String> m = new LinkedHashMap<String, String>();
081                for (int j=0; j < dataKeys.get(i).size(); ++j) {
082                    m.put(dataKeys.get(i).get(j), dataValues.get(i).get(j));
083                }
084                data.add(m);
085            }
086            return data;
087        }
088    
089        protected JPanel build() {
090            JPanel p = new JPanel(new GridBagLayout());
091            p.add(new JLabel(tr("Key: {0}", entry.getKey())), GBC.std(0,0).span(2).weight(1, 0).insets(0,0,5,10));
092    
093            JPanel left = new JPanel(new GridBagLayout());
094    
095            entryModel = new EntryListModel();
096            entryList = new JList(entryModel);
097            entryList.getSelectionModel().addListSelectionListener(new EntryListener());
098            JScrollPane scroll = new JScrollPane(entryList);
099            left.add(scroll, GBC.eol().fill());
100    
101            JToolBar sideButtonTB = new JToolBar(JToolBar.HORIZONTAL);
102            sideButtonTB.setBorderPainted(false);
103            sideButtonTB.setOpaque(false);
104            sideButtonTB.add(new NewEntryAction());
105            RemoveEntryAction removeEntryAction = new RemoveEntryAction();
106            entryList.getSelectionModel().addListSelectionListener(removeEntryAction);
107            sideButtonTB.add(removeEntryAction);
108            left.add(sideButtonTB, GBC.eol());
109    
110            left.setPreferredSize(new Dimension(80, 0));
111    
112            p.add(left, GBC.std(0,1).fill().weight(0.3, 1.0));
113    
114            tableModel = new MapTableModel();
115            table = new JTable(tableModel);
116            table.putClientProperty("terminateEditOnFocusLost", true);
117            table.getTableHeader().getColumnModel().getColumn(0).setHeaderValue(tr("Key"));
118            table.getTableHeader().getColumnModel().getColumn(1).setHeaderValue(tr("Value"));
119            DefaultCellEditor editor = new DefaultCellEditor(new JTextField());
120            editor.setClickCountToStart(1);
121            table.setDefaultEditor(table.getColumnClass(0), editor);
122    
123            JScrollPane pane = new JScrollPane(table);
124            pane.setPreferredSize(new Dimension(140, 0));
125            p.add(pane, GBC.std(1,1).insets(5,0,0,0).fill().weight(0.7, 1.0));
126            return p;
127        }
128    
129        class EntryListModel extends AbstractListModel {
130            public Object getElementAt(int index) {
131                return tr("Entry {0}", index+1);
132            }
133    
134            public int getSize() {
135                return dataKeys.size();
136            }
137    
138            public void add() {
139                dataKeys.add(new ArrayList<String>());
140                dataValues.add(new ArrayList<String>());
141                fireIntervalAdded(this, getSize() - 1, getSize() - 1);
142            }
143    
144            public void remove(int idx) {
145                dataKeys.remove(idx);
146                dataValues.remove(idx);
147                fireIntervalRemoved(this, idx, idx);
148            }
149        }
150    
151        class NewEntryAction extends AbstractAction {
152            public NewEntryAction() {
153                putValue(NAME, tr("New"));
154                putValue(SHORT_DESCRIPTION, tr("add entry"));
155                putValue(SMALL_ICON, ImageProvider.get("dialogs", "add"));
156            }
157    
158            public void actionPerformed(ActionEvent evt) {
159                entryModel.add();
160            }
161        }
162    
163        class RemoveEntryAction extends AbstractAction implements ListSelectionListener {
164            public RemoveEntryAction() {
165                putValue(NAME, tr("Remove"));
166                putValue(SHORT_DESCRIPTION, tr("Remove the selected entry"));
167                putValue(SMALL_ICON, ImageProvider.get("dialogs", "delete"));
168                updateEnabledState();
169            }
170    
171            protected void updateEnabledState() {
172                setEnabled(entryList.getSelectedIndices().length == 1);
173            }
174    
175            public void valueChanged(ListSelectionEvent e) {
176                updateEnabledState();
177            }
178    
179            public void actionPerformed(ActionEvent e) {
180                int idx = entryList.getSelectedIndices()[0];
181                entryModel.remove(idx);
182            }
183        }
184    
185        class EntryListener implements ListSelectionListener {
186            public void valueChanged(ListSelectionEvent e) {
187                TableCellEditor editor = table.getCellEditor();
188                if (editor != null) {
189                    ((DefaultCellEditor) editor).stopCellEditing();
190                }
191                if (entryList.getSelectedIndices().length != 1) {
192                    entryIdx = null;
193                    table.setEnabled(false);
194                } else {
195                    entryIdx = entryList.getSelectedIndices()[0];
196                    table.setEnabled(true);
197                }
198                tableModel.fireTableDataChanged();
199            }
200        }
201    
202        class MapTableModel extends AbstractTableModel {
203            private List<List<String>> data() {
204                if (entryIdx == null) return Collections.emptyList();
205                return Arrays.asList(dataKeys.get(entryIdx), dataValues.get(entryIdx));
206            }
207    
208            private int size() {
209                if (entryIdx == null) return 0;
210                return dataKeys.get(entryIdx).size();
211            }
212    
213            @Override
214            public int getRowCount() {
215                return entryIdx == null ? 0 : size() + 1;
216            }
217    
218            @Override
219            public int getColumnCount() {
220                return 2;
221            }
222    
223            @Override
224            public String getColumnName(int column) {
225                return column == 0 ? tr("Key") : tr("Value");
226            }
227    
228            @Override
229            public Object getValueAt(int row, int column) {
230                return size() == row ? "" : data().get(column).get(row);
231            }
232    
233            @Override
234            public void setValueAt(Object o, int row, int column) {
235                String s = (String) o;
236                if (row == size()) {
237                    data().get(0).add("");
238                    data().get(1).add("");
239                    data().get(column).set(row, s);
240                    fireTableRowsInserted(row+1, row+1);
241                } else {
242                    data().get(column).set(row, s);
243                    fireTableCellUpdated(row, column);
244                }
245            }
246    
247            @Override
248            public boolean isCellEditable(int row, int column) {
249                return true;
250            }
251        }
252    
253    }