source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/UserListDialog.java@ 8338

Last change on this file since 8338 was 8338, checked in by Don-vip, 9 years ago

fix squid:S1319 - Declarations should use Java collection interfaces rather than specific implementation classes
  • Property svn:eol-style set to native
File size: 12.1 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.MapView;
38import org.openstreetmap.josm.gui.SideButton;
39import org.openstreetmap.josm.gui.layer.Layer;
40import org.openstreetmap.josm.gui.layer.OsmDataLayer;
41import org.openstreetmap.josm.gui.util.GuiHelper;
42import org.openstreetmap.josm.tools.ImageProvider;
43import org.openstreetmap.josm.tools.OpenBrowser;
44import org.openstreetmap.josm.tools.Shortcut;
45import org.openstreetmap.josm.tools.Utils;
46
47/**
48 * Displays a dialog with all users who have last edited something in the
49 * selection area, along with the number of objects.
50 *
51 */
52public class UserListDialog extends ToggleDialog implements SelectionChangedListener, MapView.LayerChangeListener {
53
54 /**
55 * The display list.
56 */
57 private JTable userTable;
58 private UserTableModel model;
59 private SelectUsersPrimitivesAction selectionUsersPrimitivesAction;
60 private ShowUserInfoAction showUserInfoAction;
61
62 /**
63 * Constructs a new {@code UserListDialog}.
64 */
65 public UserListDialog() {
66 super(tr("Authors"), "userlist", tr("Open a list of people working on the selected objects."),
67 Shortcut.registerShortcut("subwindow:authors", tr("Toggle: {0}", tr("Authors")), KeyEvent.VK_A, Shortcut.ALT_SHIFT), 150);
68 build();
69 }
70
71 @Override
72 public void showNotify() {
73 DataSet.addSelectionListener(this);
74 MapView.addLayerChangeListener(this);
75 }
76
77 @Override
78 public void hideNotify() {
79 MapView.removeLayerChangeListener(this);
80 DataSet.removeSelectionListener(this);
81 }
82
83 protected void build() {
84 model = new UserTableModel();
85 userTable = new JTable(model);
86 userTable.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
87 userTable.addMouseListener(new DoubleClickAdapter());
88
89 // -- select users primitives action
90 //
91 selectionUsersPrimitivesAction = new SelectUsersPrimitivesAction();
92 userTable.getSelectionModel().addListSelectionListener(selectionUsersPrimitivesAction);
93
94 // -- info action
95 //
96 showUserInfoAction = new ShowUserInfoAction();
97 userTable.getSelectionModel().addListSelectionListener(showUserInfoAction);
98
99 createLayout(userTable, true, Arrays.asList(new SideButton[] {
100 new SideButton(selectionUsersPrimitivesAction),
101 new SideButton(showUserInfoAction)
102 }));
103 }
104
105 /**
106 * Called when the selection in the dataset changed.
107 * @param newSelection The new selection array.
108 */
109 @Override
110 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
111 refresh(newSelection);
112 }
113
114 @Override
115 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
116 if (newLayer instanceof OsmDataLayer) {
117 refresh(((OsmDataLayer) newLayer).data.getAllSelected());
118 } else {
119 refresh(null);
120 }
121 }
122
123 @Override
124 public void layerAdded(Layer newLayer) {
125 // do nothing
126 }
127
128 @Override
129 public void layerRemoved(Layer oldLayer) {
130 // do nothing
131 }
132
133 public void refresh(Collection<? extends OsmPrimitive> fromPrimitives) {
134 model.populate(fromPrimitives);
135 GuiHelper.runInEDT(new Runnable() {
136 @Override
137 public void run() {
138 if (model.getRowCount() != 0) {
139 setTitle(trn("{0} Author", "{0} Authors", model.getRowCount() , model.getRowCount()));
140 } else {
141 setTitle(tr("Authors"));
142 }
143 }
144 });
145 }
146
147 @Override
148 public void showDialog() {
149 super.showDialog();
150 Layer layer = Main.main.getActiveLayer();
151 if (layer instanceof OsmDataLayer) {
152 refresh(((OsmDataLayer)layer).data.getAllSelected());
153 }
154
155 }
156
157 class SelectUsersPrimitivesAction extends AbstractAction implements ListSelectionListener{
158 public SelectUsersPrimitivesAction() {
159 putValue(NAME, tr("Select"));
160 putValue(SHORT_DESCRIPTION, tr("Select objects submitted by this user"));
161 putValue(SMALL_ICON, ImageProvider.get("dialogs", "select"));
162 updateEnabledState();
163 }
164
165 public void select() {
166 int[] indexes = userTable.getSelectedRows();
167 if (indexes == null || indexes.length == 0) return;
168 model.selectPrimitivesOwnedBy(userTable.getSelectedRows());
169 }
170
171 @Override
172 public void actionPerformed(ActionEvent e) {
173 select();
174 }
175
176 protected void updateEnabledState() {
177 setEnabled(userTable != null && userTable.getSelectedRowCount() > 0);
178 }
179
180 @Override
181 public void valueChanged(ListSelectionEvent e) {
182 updateEnabledState();
183 }
184 }
185
186 /*
187 * Action for launching the info page of a user
188 */
189 class ShowUserInfoAction extends AbstractInfoAction implements ListSelectionListener {
190
191 public ShowUserInfoAction() {
192 super(false);
193 putValue(NAME, tr("Show info"));
194 putValue(SHORT_DESCRIPTION, tr("Launches a browser with information about the user"));
195 putValue(SMALL_ICON, ImageProvider.get("help/internet"));
196 updateEnabledState();
197 }
198
199 @Override
200 public void actionPerformed(ActionEvent e) {
201 int[] rows = userTable.getSelectedRows();
202 if (rows == null || rows.length == 0) return;
203 List<User> users = model.getSelectedUsers(rows);
204 if (users.isEmpty()) return;
205 if (users.size() > 10) {
206 Main.warn(tr("Only launching info browsers for the first {0} of {1} selected users", 10, users.size()));
207 }
208 int num = Math.min(10, users.size());
209 Iterator<User> it = users.iterator();
210 while(it.hasNext() && num > 0) {
211 String url = createInfoUrl(it.next());
212 if (url == null) {
213 break;
214 }
215 OpenBrowser.displayUrl(url);
216 num--;
217 }
218 }
219
220 @Override
221 protected String createInfoUrl(Object infoObject) {
222 User user = (User)infoObject;
223 return Main.getBaseUserUrl() + "/" + Utils.encodeUrl(user.getName()).replaceAll("\\+", "%20");
224 }
225
226 @Override
227 protected void updateEnabledState() {
228 setEnabled(userTable != null && userTable.getSelectedRowCount() > 0);
229 }
230
231 @Override
232 public void valueChanged(ListSelectionEvent e) {
233 updateEnabledState();
234 }
235 }
236
237 class DoubleClickAdapter extends MouseAdapter {
238 @Override
239 public void mouseClicked(MouseEvent e) {
240 if (e.getButton() == MouseEvent.BUTTON1 && e.getClickCount()==2) {
241 selectionUsersPrimitivesAction.select();
242 }
243 }
244 }
245
246 /**
247 * Action for selecting the primitives contributed by the currently selected
248 * users.
249 *
250 */
251 private static class UserInfo implements Comparable<UserInfo> {
252 public User user;
253 public int count;
254 public double percent;
255 UserInfo(User user, int count, double percent) {
256 this.user=user;
257 this.count=count;
258 this.percent = percent;
259 }
260 @Override
261 public int compareTo(UserInfo o) {
262 if (count < o.count) return 1;
263 if (count > o.count) return -1;
264 if (user== null || user.getName() == null) return 1;
265 if (o.user == null || o.user.getName() == null) return -1;
266 return user.getName().compareTo(o.user.getName());
267 }
268
269 public String getName() {
270 if (user == null)
271 return tr("<new object>");
272 return user.getName();
273 }
274 }
275
276 /**
277 * The table model for the users
278 *
279 */
280 static class UserTableModel extends DefaultTableModel {
281 private transient List<UserInfo> data;
282
283 public UserTableModel() {
284 setColumnIdentifiers(new String[]{tr("Author"),tr("# Objects"),"%"});
285 data = new ArrayList<>();
286 }
287
288 protected Map<User, Integer> computeStatistics(Collection<? extends OsmPrimitive> primitives) {
289 Map<User, Integer> ret = new HashMap<>();
290 if (primitives == null || primitives.isEmpty()) return ret;
291 for (OsmPrimitive primitive: primitives) {
292 if (ret.containsKey(primitive.getUser())) {
293 ret.put(primitive.getUser(), ret.get(primitive.getUser()) + 1);
294 } else {
295 ret.put(primitive.getUser(), 1);
296 }
297 }
298 return ret;
299 }
300
301 public void populate(Collection<? extends OsmPrimitive> primitives) {
302 Map<User,Integer> statistics = computeStatistics(primitives);
303 data.clear();
304 if (primitives != null) {
305 for (Map.Entry<User, Integer> entry: statistics.entrySet()) {
306 data.add(new UserInfo(entry.getKey(), entry.getValue(), (double)entry.getValue() / (double)primitives.size()));
307 }
308 }
309 Collections.sort(data);
310 GuiHelper.runInEDTAndWait(new Runnable() {
311 @Override
312 public void run() {
313 fireTableDataChanged();
314 }
315 });
316 }
317
318 @Override
319 public int getRowCount() {
320 if (data == null) return 0;
321 return data.size();
322 }
323
324 @Override
325 public Object getValueAt(int row, int column) {
326 UserInfo info = data.get(row);
327 switch(column) {
328 case 0: /* author */ return info.getName() == null ? "" : info.getName();
329 case 1: /* count */ return info.count;
330 case 2: /* percent */ return NumberFormat.getPercentInstance().format(info.percent);
331 }
332 return null;
333 }
334
335 @Override
336 public boolean isCellEditable(int row, int column) {
337 return false;
338 }
339
340 public void selectPrimitivesOwnedBy(int [] rows) {
341 Set<User> users= new HashSet<>();
342 for (int index: rows) {
343 users.add(data.get(index).user);
344 }
345 Collection<OsmPrimitive> selected = Main.main.getCurrentDataSet().getAllSelected();
346 Collection<OsmPrimitive> byUser = new LinkedList<>();
347 for (OsmPrimitive p : selected) {
348 if (users.contains(p.getUser())) {
349 byUser.add(p);
350 }
351 }
352 Main.main.getCurrentDataSet().setSelected(byUser);
353 }
354
355 public List<User> getSelectedUsers(int[] rows) {
356 List<User> ret = new LinkedList<>();
357 if (rows == null || rows.length == 0) return ret;
358 for (int row: rows) {
359 if (data.get(row).user == null) {
360 continue;
361 }
362 ret.add(data.get(row).user);
363 }
364 return ret;
365 }
366 }
367}
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