source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/query/BasicChangesetQueryPanel.java@ 8308

Last change on this file since 8308 was 8308, checked in by Don-vip, 9 years ago

fix potential NPEs and Sonar issues related to serialization
  • Property svn:eol-style set to native
File size: 9.4 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.dialogs.changeset.query;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.BorderLayout;
7import java.awt.GridBagConstraints;
8import java.awt.GridBagLayout;
9import java.awt.Insets;
10import java.awt.event.ItemEvent;
11import java.awt.event.ItemListener;
12import java.util.HashMap;
13import java.util.Map;
14
15import javax.swing.BorderFactory;
16import javax.swing.ButtonGroup;
17import javax.swing.JCheckBox;
18import javax.swing.JPanel;
19import javax.swing.JRadioButton;
20
21import org.openstreetmap.josm.Main;
22import org.openstreetmap.josm.data.Bounds;
23import org.openstreetmap.josm.gui.JosmUserIdentityManager;
24import org.openstreetmap.josm.gui.widgets.HtmlPanel;
25import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
26import org.openstreetmap.josm.io.ChangesetQuery;
27
28/**
29 * This panel presents a list of basic queries for changests.
30 *
31 */
32public class BasicChangesetQueryPanel extends JPanel {
33
34 /**
35 * Enumeration of basic, predefined queries
36 */
37 private static enum BasicQuery {
38 MOST_RECENT_CHANGESETS,
39 MY_OPEN_CHANGESETS,
40 CHANGESETS_IN_MAP_VIEW;
41 }
42
43 private transient Map<BasicQuery, JRadioButton> rbQueries;
44 private transient Map<BasicQuery, JMultilineLabel> lblQueries;
45 private JCheckBox cbMyChangesetsOnly;
46
47 protected JPanel buildQueriesPanel() {
48 JPanel pnl = new JPanel(new GridBagLayout());
49
50 ButtonGroup bgQueries = new ButtonGroup();
51 rbQueries = new HashMap<>();
52 lblQueries = new HashMap<>();
53 SelectQueryHandler selectedQueryHandler = new SelectQueryHandler();
54 for (BasicQuery q: BasicQuery.values()) {
55 JRadioButton rb = new JRadioButton();
56 rb.addItemListener(selectedQueryHandler);
57 rbQueries.put(q, rb);
58 bgQueries.add(rb);
59 lblQueries.put(q, new JMultilineLabel(""));
60 }
61
62 GridBagConstraints gc = new GridBagConstraints();
63 // -- most recent changes
64 gc.fill = GridBagConstraints.NONE;
65 gc.anchor = GridBagConstraints.NORTHWEST;
66 gc.insets = new Insets(0,0,5,3);
67 pnl.add(rbQueries.get(BasicQuery.MOST_RECENT_CHANGESETS), gc);
68
69 gc.gridx = 1;
70 gc.fill = GridBagConstraints.HORIZONTAL;
71 gc.weightx = 1.0;
72 pnl.add(lblQueries.get(BasicQuery.MOST_RECENT_CHANGESETS), gc);
73
74 // -- most recent changes
75 gc.gridx = 0;
76 gc.gridy = 1;
77 gc.fill = GridBagConstraints.NONE;
78 gc.weightx = 0.0;
79 pnl.add(rbQueries.get(BasicQuery.MY_OPEN_CHANGESETS), gc);
80
81 gc.gridx = 1;
82 gc.fill = GridBagConstraints.HORIZONTAL;
83 gc.weightx = 1.0;
84 pnl.add(lblQueries.get(BasicQuery.MY_OPEN_CHANGESETS), gc);
85
86 // -- changesets in map view
87 gc.gridx = 0;
88 gc.gridy = 2;
89 gc.fill = GridBagConstraints.NONE;
90 gc.weightx = 0.0;
91 pnl.add(rbQueries.get(BasicQuery.CHANGESETS_IN_MAP_VIEW), gc);
92
93 gc.gridx = 1;
94 gc.fill = GridBagConstraints.HORIZONTAL;
95 gc.weightx = 1.0;
96 pnl.add(lblQueries.get(BasicQuery.CHANGESETS_IN_MAP_VIEW), gc);
97
98 // -- checkbox my changesets only
99 gc.gridx = 0;
100 gc.gridy = 3;
101 gc.gridwidth = 2;
102 gc.insets = new Insets(5,0,3,3);
103 gc.fill = GridBagConstraints.HORIZONTAL;
104 gc.weightx = 1.0;
105 pnl.add(cbMyChangesetsOnly = new JCheckBox(tr("Download my changesets only")), gc);
106 cbMyChangesetsOnly.setToolTipText(tr("<html>Select to restrict the query to your changesets only.<br>Unselect to include all changesets in the query.</html>"));
107
108 // grab remaining space
109 gc.gridx = 0;
110 gc.gridy = 4;
111 gc.gridwidth = 2;
112 gc.insets = new Insets(5,0,3,3);
113 gc.fill = GridBagConstraints.BOTH;
114 gc.weightx = 1.0;
115 gc.weighty = 1.0;
116 pnl.add(new JPanel(), gc);
117
118 return pnl;
119 }
120
121 protected JPanel buildInfoPanel() {
122 HtmlPanel pnlInfos = new HtmlPanel();
123 pnlInfos.setText(tr("<html>Please select one the following <strong>standard queries</strong>."
124 + "Select <strong>Download my changesets only</strong>"
125 + " if you only want to download changesets created by yourself.<br>"
126 + "Note that JOSM will download max. 100 changesets.</html>")
127 );
128 return pnlInfos;
129 }
130
131 protected final void build() {
132 setLayout(new BorderLayout(0,5));
133 setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
134 add(buildInfoPanel(), BorderLayout.NORTH);
135 add(buildQueriesPanel(), BorderLayout.CENTER);
136 }
137
138 /**
139 * Constructs a new {@code BasicChangesetQueryPanel}.
140 */
141 public BasicChangesetQueryPanel() {
142 build();
143 }
144
145 public void init() {
146 JMultilineLabel lbl = lblQueries.get(BasicQuery.MOST_RECENT_CHANGESETS);
147 lbl.setText(tr("<html>Download the latest changesets</html>"));
148
149 // query for open changesets only possible if we have a current user which is at least
150 // partially identified
151 lbl = lblQueries.get(BasicQuery.MY_OPEN_CHANGESETS);
152 if (JosmUserIdentityManager.getInstance().isAnonymous()) {
153 rbQueries.get(BasicQuery.MY_OPEN_CHANGESETS).setEnabled(false);
154 lbl.setText(tr("<html>Download my open changesets<br><em>Disabled. Please enter your OSM user name in the preferences first.</em></html>"));
155 } else {
156 rbQueries.get(BasicQuery.MY_OPEN_CHANGESETS).setEnabled(true);
157 lbl.setText(tr("<html>Download my open changesets</html>"));
158 }
159
160 // query for changesets in the current map view only if there *is* a current
161 // map view
162 lbl = lblQueries.get(BasicQuery.CHANGESETS_IN_MAP_VIEW);
163 if (!Main.isDisplayingMapView()) {
164 rbQueries.get(BasicQuery.CHANGESETS_IN_MAP_VIEW).setEnabled(false);
165 lbl.setText(tr("<html>Download changesets in the current map view.<br><em>Disabled. There is currently no map view active.</em></html>"));
166 } else {
167 rbQueries.get(BasicQuery.CHANGESETS_IN_MAP_VIEW).setEnabled(true);
168 lbl.setText(tr("<html>Download changesets in the current map view</html>"));
169 }
170
171 restoreFromPreferences();
172 }
173
174 public void rememberInPreferences() {
175 BasicQuery q = getSelectedQuery();
176 if (q == null) {
177 Main.pref.put("changeset-query.basic.query", null);
178 } else {
179 Main.pref.put("changeset-query.basic.query", q.toString());
180 }
181 Main.pref.put("changeset-query.basic.my-changesets-only", cbMyChangesetsOnly.isSelected());
182 }
183
184 public void restoreFromPreferences() {
185 BasicQuery q;
186 String value = Main.pref.get("changeset-query.basic.query", null);
187 if (value == null) {
188 q = BasicQuery.MOST_RECENT_CHANGESETS;
189 } else {
190 try {
191 q = BasicQuery.valueOf(BasicQuery.class, value);
192 } catch(IllegalArgumentException e) {
193 Main.warn(tr("Unexpected value for preference ''{0}'', got ''{1}''. Resetting to default query.","changeset-query.basic.query", value));
194 q = BasicQuery.MOST_RECENT_CHANGESETS;
195 }
196 }
197 rbQueries.get(q).setSelected(true);
198 boolean mineOnly = Main.pref.getBoolean("changeset-query.basic.my-changesets-only", false);
199 mineOnly = mineOnly || q.equals(BasicQuery.MY_OPEN_CHANGESETS);
200 cbMyChangesetsOnly.setSelected(mineOnly);
201 }
202
203 protected BasicQuery getSelectedQuery() {
204 for (BasicQuery q : BasicQuery.values()) {
205 if (rbQueries.get(q).isSelected())
206 return q;
207 }
208 return null;
209 }
210
211 public ChangesetQuery buildChangesetQuery() {
212 BasicQuery q = getSelectedQuery();
213 ChangesetQuery query = new ChangesetQuery();
214 JosmUserIdentityManager im = JosmUserIdentityManager.getInstance();
215 if (q == null)
216 return query;
217 switch(q) {
218 case MOST_RECENT_CHANGESETS:
219 break;
220 case MY_OPEN_CHANGESETS:
221 query = query.beingOpen(true);
222 break;
223 case CHANGESETS_IN_MAP_VIEW:
224 Bounds b = Main.map.mapView.getLatLonBounds(Main.map.mapView.getBounds());
225 query = query.inBbox(b);
226 break;
227 }
228
229 if (cbMyChangesetsOnly.isSelected()) {
230 if (im.isPartiallyIdentified()) {
231 query = query.forUser(im.getUserName());
232 } else if (im.isFullyIdentified()) {
233 query = query.forUser(im.getUserId()).beingOpen(true);
234 } else
235 // anonymous -- can happen with a fresh config.
236 throw new IllegalStateException(tr("Cannot create changeset query for open changesets of anonymous user"));
237 }
238
239 return query;
240 }
241
242 /**
243 * Responds to changes in the selected query
244 *
245 */
246 class SelectQueryHandler implements ItemListener {
247 @Override
248 public void itemStateChanged(ItemEvent e) {
249 BasicQuery q = getSelectedQuery();
250 if (q == null) return;
251 if (q.equals(BasicQuery.MY_OPEN_CHANGESETS)) {
252 cbMyChangesetsOnly.setSelected(true);
253 cbMyChangesetsOnly.setEnabled(false);
254 } else {
255 if (! cbMyChangesetsOnly.isEnabled()) {
256 cbMyChangesetsOnly.setEnabled(true);
257 }
258 }
259 }
260 }
261}
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