source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/UserListDialog.java@ 10760

Last change on this file since 10760 was 10680, checked in by Don-vip, 8 years ago

sonar - pmd:UseVarargs - Use Varargs
  • Property svn:eol-style set to native
File size: 12.6 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.dialogs;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5import static org.openstreetmap.josm.tools.I18n.trn;
6
7import java.awt.event.ActionEvent;
8import java.awt.event.KeyEvent;
9import java.awt.event.MouseAdapter;
10import java.awt.event.MouseEvent;
11import java.text.NumberFormat;
12import java.util.ArrayList;
13import java.util.Arrays;
14import java.util.Collection;
15import java.util.Collections;
16import java.util.HashMap;
17import java.util.HashSet;
18import java.util.Iterator;
19import java.util.LinkedList;
20import java.util.List;
21import java.util.Map;
22import java.util.Set;
23
24import javax.swing.AbstractAction;
25import javax.swing.JTable;
26import javax.swing.ListSelectionModel;
27import javax.swing.event.ListSelectionEvent;
28import javax.swing.event.ListSelectionListener;
29import javax.swing.table.DefaultTableModel;
30
31import org.openstreetmap.josm.Main;
32import org.openstreetmap.josm.actions.AbstractInfoAction;
33import org.openstreetmap.josm.data.SelectionChangedListener;
34import org.openstreetmap.josm.data.osm.DataSet;
35import org.openstreetmap.josm.data.osm.OsmPrimitive;
36import org.openstreetmap.josm.data.osm.User;
37import org.openstreetmap.josm.gui.SideButton;
38import org.openstreetmap.josm.gui.layer.Layer;
39import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent;
40import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener;
41import org.openstreetmap.josm.gui.layer.OsmDataLayer;
42import org.openstreetmap.josm.gui.util.GuiHelper;
43import org.openstreetmap.josm.tools.ImageProvider;
44import org.openstreetmap.josm.tools.OpenBrowser;
45import org.openstreetmap.josm.tools.Shortcut;
46import org.openstreetmap.josm.tools.Utils;
47
48/**
49 * Displays a dialog with all users who have last edited something in the
50 * selection area, along with the number of objects.
51 *
52 */
53public class UserListDialog extends ToggleDialog implements SelectionChangedListener, ActiveLayerChangeListener {
54
55 /**
56 * The display list.
57 */
58 private JTable userTable;
59 private UserTableModel model;
60 private SelectUsersPrimitivesAction selectionUsersPrimitivesAction;
61 private ShowUserInfoAction showUserInfoAction;
62
63 /**
64 * Constructs a new {@code UserListDialog}.
65 */
66 public UserListDialog() {
67 super(tr("Authors"), "userlist", tr("Open a list of people working on the selected objects."),
68 Shortcut.registerShortcut("subwindow:authors", tr("Toggle: {0}", tr("Authors")), KeyEvent.VK_A, Shortcut.ALT_SHIFT), 150);
69 build();
70 }
71
72 @Override
73 public void showNotify() {
74 DataSet.addSelectionListener(this);
75 Main.getLayerManager().addActiveLayerChangeListener(this);
76 }
77
78 @Override
79 public void hideNotify() {
80 Main.getLayerManager().removeActiveLayerChangeListener(this);
81 DataSet.removeSelectionListener(this);
82 }
83
84 protected void build() {
85 model = new UserTableModel();
86 userTable = new JTable(model);
87 userTable.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
88 userTable.addMouseListener(new DoubleClickAdapter());
89
90 // -- select users primitives action
91 //
92 selectionUsersPrimitivesAction = new SelectUsersPrimitivesAction();
93 userTable.getSelectionModel().addListSelectionListener(selectionUsersPrimitivesAction);
94
95 // -- info action
96 //
97 showUserInfoAction = new ShowUserInfoAction();
98 userTable.getSelectionModel().addListSelectionListener(showUserInfoAction);
99
100 createLayout(userTable, true, Arrays.asList(new SideButton[] {
101 new SideButton(selectionUsersPrimitivesAction),
102 new SideButton(showUserInfoAction)
103 }));
104 }
105
106 /**
107 * Called when the selection in the dataset changed.
108 * @param newSelection The new selection array.
109 */
110 @Override
111 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
112 refresh(newSelection);
113 }
114
115 @Override
116 public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
117 Layer activeLayer = e.getSource().getActiveLayer();
118 if (activeLayer instanceof OsmDataLayer) {
119 refresh(((OsmDataLayer) activeLayer).data.getAllSelected());
120 } else {
121 refresh(null);
122 }
123 }
124
125 /**
126 * Refreshes user list from given collection of OSM primitives.
127 * @param fromPrimitives OSM primitives to fetch users from
128 */
129 public void refresh(Collection<? extends OsmPrimitive> fromPrimitives) {
130 model.populate(fromPrimitives);
131 GuiHelper.runInEDT(() -> {
132 if (model.getRowCount() != 0) {
133 setTitle(trn("{0} Author", "{0} Authors", model.getRowCount(), model.getRowCount()));
134 } else {
135 setTitle(tr("Authors"));
136 }
137 });
138 }
139
140 @Override
141 public void showDialog() {
142 super.showDialog();
143 Layer layer = Main.getLayerManager().getActiveLayer();
144 if (layer instanceof OsmDataLayer) {
145 refresh(((OsmDataLayer) layer).data.getAllSelected());
146 }
147 }
148
149 class SelectUsersPrimitivesAction extends AbstractAction implements ListSelectionListener {
150
151 /**
152 * Constructs a new {@code SelectUsersPrimitivesAction}.
153 */
154 SelectUsersPrimitivesAction() {
155 putValue(NAME, tr("Select"));
156 putValue(SHORT_DESCRIPTION, tr("Select objects submitted by this user"));
157 new ImageProvider("dialogs", "select").getResource().attachImageIcon(this, true);
158 updateEnabledState();
159 }
160
161 public void select() {
162 int[] indexes = userTable.getSelectedRows();
163 if (indexes == null || indexes.length == 0)
164 return;
165 model.selectPrimitivesOwnedBy(userTable.getSelectedRows());
166 }
167
168 @Override
169 public void actionPerformed(ActionEvent e) {
170 select();
171 }
172
173 protected void updateEnabledState() {
174 setEnabled(userTable != null && userTable.getSelectedRowCount() > 0);
175 }
176
177 @Override
178 public void valueChanged(ListSelectionEvent e) {
179 updateEnabledState();
180 }
181 }
182
183 /**
184 * Action for launching the info page of a user.
185 */
186 class ShowUserInfoAction extends AbstractInfoAction implements ListSelectionListener {
187
188 ShowUserInfoAction() {
189 super(false);
190 putValue(NAME, tr("Show info"));
191 putValue(SHORT_DESCRIPTION, tr("Launches a browser with information about the user"));
192 new ImageProvider("help/internet").getResource().attachImageIcon(this, true);
193 updateEnabledState();
194 }
195
196 @Override
197 public void actionPerformed(ActionEvent e) {
198 int[] rows = userTable.getSelectedRows();
199 if (rows == null || rows.length == 0)
200 return;
201 List<User> users = model.getSelectedUsers(rows);
202 if (users.isEmpty())
203 return;
204 if (users.size() > 10) {
205 Main.warn(tr("Only launching info browsers for the first {0} of {1} selected users", 10, users.size()));
206 }
207 int num = Math.min(10, users.size());
208 Iterator<User> it = users.iterator();
209 while (it.hasNext() && num > 0) {
210 String url = createInfoUrl(it.next());
211 if (url == null) {
212 break;
213 }
214 OpenBrowser.displayUrl(url);
215 num--;
216 }
217 }
218
219 @Override
220 protected String createInfoUrl(Object infoObject) {
221 if (infoObject instanceof User) {
222 User user = (User) infoObject;
223 return Main.getBaseUserUrl() + '/' + Utils.encodeUrl(user.getName()).replaceAll("\\+", "%20");
224 } else {
225 return null;
226 }
227 }
228
229 @Override
230 protected void updateEnabledState() {
231 setEnabled(userTable != null && userTable.getSelectedRowCount() > 0);
232 }
233
234 @Override
235 public void valueChanged(ListSelectionEvent e) {
236 updateEnabledState();
237 }
238 }
239
240 class DoubleClickAdapter extends MouseAdapter {
241 @Override
242 public void mouseClicked(MouseEvent e) {
243 if (e.getButton() == MouseEvent.BUTTON1 && e.getClickCount() == 2) {
244 selectionUsersPrimitivesAction.select();
245 }
246 }
247 }
248
249 /**
250 * Action for selecting the primitives contributed by the currently selected users.
251 *
252 */
253 private static class UserInfo implements Comparable<UserInfo> {
254 public final User user;
255 public final int count;
256 public final double percent;
257
258 UserInfo(User user, int count, double percent) {
259 this.user = user;
260 this.count = count;
261 this.percent = percent;
262 }
263
264 @Override
265 public int compareTo(UserInfo o) {
266 if (count < o.count)
267 return 1;
268 if (count > o.count)
269 return -1;
270 if (user == null || user.getName() == null)
271 return 1;
272 if (o.user == null || o.user.getName() == null)
273 return -1;
274 return user.getName().compareTo(o.user.getName());
275 }
276
277 public String getName() {
278 if (user == null)
279 return tr("<new object>");
280 return user.getName();
281 }
282 }
283
284 /**
285 * The table model for the users
286 *
287 */
288 static class UserTableModel extends DefaultTableModel {
289 private final transient List<UserInfo> data;
290
291 UserTableModel() {
292 setColumnIdentifiers(new String[]{tr("Author"), tr("# Objects"), "%"});
293 data = new ArrayList<>();
294 }
295
296 protected Map<User, Integer> computeStatistics(Collection<? extends OsmPrimitive> primitives) {
297 Map<User, Integer> ret = new HashMap<>();
298 if (primitives == null || primitives.isEmpty())
299 return ret;
300 for (OsmPrimitive primitive: primitives) {
301 if (ret.containsKey(primitive.getUser())) {
302 ret.put(primitive.getUser(), ret.get(primitive.getUser()) + 1);
303 } else {
304 ret.put(primitive.getUser(), 1);
305 }
306 }
307 return ret;
308 }
309
310 public void populate(Collection<? extends OsmPrimitive> primitives) {
311 Map<User, Integer> statistics = computeStatistics(primitives);
312 data.clear();
313 if (primitives != null) {
314 for (Map.Entry<User, Integer> entry: statistics.entrySet()) {
315 data.add(new UserInfo(entry.getKey(), entry.getValue(), (double) entry.getValue() / (double) primitives.size()));
316 }
317 }
318 Collections.sort(data);
319 GuiHelper.runInEDTAndWait(this::fireTableDataChanged);
320 }
321
322 @Override
323 public int getRowCount() {
324 if (data == null)
325 return 0;
326 return data.size();
327 }
328
329 @Override
330 public Object getValueAt(int row, int column) {
331 UserInfo info = data.get(row);
332 switch(column) {
333 case 0: /* author */ return info.getName() == null ? "" : info.getName();
334 case 1: /* count */ return info.count;
335 case 2: /* percent */ return NumberFormat.getPercentInstance().format(info.percent);
336 default: return null;
337 }
338 }
339
340 @Override
341 public boolean isCellEditable(int row, int column) {
342 return false;
343 }
344
345 public void selectPrimitivesOwnedBy(int ... rows) {
346 Set<User> users = new HashSet<>();
347 for (int index: rows) {
348 users.add(data.get(index).user);
349 }
350 Collection<OsmPrimitive> selected = Main.getLayerManager().getEditDataSet().getAllSelected();
351 Collection<OsmPrimitive> byUser = new LinkedList<>();
352 for (OsmPrimitive p : selected) {
353 if (users.contains(p.getUser())) {
354 byUser.add(p);
355 }
356 }
357 Main.getLayerManager().getEditDataSet().setSelected(byUser);
358 }
359
360 public List<User> getSelectedUsers(int ... rows) {
361 List<User> ret = new LinkedList<>();
362 if (rows == null || rows.length == 0)
363 return ret;
364 for (int row: rows) {
365 if (data.get(row).user == null) {
366 continue;
367 }
368 ret.add(data.get(row).user);
369 }
370 return ret;
371 }
372 }
373}
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