source: josm/trunk/src/org/openstreetmap/josm/gui/history/VersionInfoPanel.java@ 7528

Last change on this file since 7528 was 7299, checked in by Don-vip, 10 years ago

fix #10121 - Add a new look-and-feel preference to display ISO 8601 dates globally
  • Property svn:eol-style set to native
File size: 8.9 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.history;
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.GridLayout;
10import java.io.UnsupportedEncodingException;
11import java.net.URLEncoder;
12import java.text.DateFormat;
13import java.util.Observable;
14import java.util.Observer;
15
16import javax.swing.JComponent;
17import javax.swing.JLabel;
18import javax.swing.JPanel;
19import javax.swing.JTextArea;
20
21import org.openstreetmap.josm.Main;
22import org.openstreetmap.josm.actions.AbstractInfoAction;
23import org.openstreetmap.josm.data.osm.Changeset;
24import org.openstreetmap.josm.data.osm.OsmPrimitive;
25import org.openstreetmap.josm.data.osm.User;
26import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
27import org.openstreetmap.josm.gui.JosmUserIdentityManager;
28import org.openstreetmap.josm.gui.layer.OsmDataLayer;
29import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
30import org.openstreetmap.josm.gui.widgets.UrlLabel;
31import org.openstreetmap.josm.tools.CheckParameterUtil;
32import org.openstreetmap.josm.tools.GBC;
33import org.openstreetmap.josm.tools.Utils;
34import org.openstreetmap.josm.tools.date.DateUtils;
35
36/**
37 * VersionInfoPanel is an UI component which displays the basic properties of a version
38 * of a {@link OsmPrimitive}.
39 * @since 1709
40 */
41public class VersionInfoPanel extends JPanel implements Observer{
42 private PointInTimeType pointInTimeType;
43 private HistoryBrowserModel model;
44 private JMultilineLabel lblInfo;
45 private UrlLabel lblUser;
46 private UrlLabel lblChangeset;
47 private JPanel pnlChangesetSource;
48 private JLabel lblSource;
49 private JTextArea lblChangesetComment;
50 private JTextArea lblChangesetSource;
51
52 protected static JTextArea buildTextArea(String tooltip) {
53 JTextArea lbl = new JTextArea();
54 lbl.setLineWrap(true);
55 lbl.setWrapStyleWord(true);
56 lbl.setEditable(false);
57 lbl.setOpaque(false);
58 lbl.setToolTipText(tooltip);
59 return lbl;
60 }
61
62 protected static JLabel buildLabel(String text, String tooltip, JTextArea textArea) {
63 // We need text field to be a JTextArea for line wrapping but cannot put HTML code in here,
64 // so create a separate JLabel with same characteristics (margin, font)
65 JLabel lbl = new JLabel("<html><p style='margin-top:"+textArea.getMargin().top+"'>"+text+"</html>");
66 lbl.setFont(textArea.getFont());
67 lbl.setToolTipText(tooltip);
68 return lbl;
69 }
70
71 protected static JPanel buildTextPanel(JLabel label, JTextArea textArea) {
72 JPanel pnl = new JPanel(new GridBagLayout());
73 pnl.add(label, GBC.std().anchor(GBC.NORTHWEST));
74 pnl.add(textArea, GBC.eol().fill());
75 return pnl;
76 }
77
78 protected void build() {
79 JPanel pnl1 = new JPanel(new BorderLayout());
80 lblInfo = new JMultilineLabel("");
81 pnl1.add(lblInfo, BorderLayout.CENTER);
82
83 JPanel pnlUserAndChangeset = new JPanel(new GridLayout(2,2));
84 lblUser = new UrlLabel("", 2);
85 pnlUserAndChangeset.add(new JLabel(tr("User:")));
86 pnlUserAndChangeset.add(lblUser);
87 pnlUserAndChangeset.add(new JLabel(tr("Changeset:")));
88 lblChangeset = new UrlLabel("", 2);
89 pnlUserAndChangeset.add(lblChangeset);
90
91 lblChangesetComment = buildTextArea(tr("Changeset comment"));
92 lblChangesetSource = buildTextArea(tr("Changeset source"));
93
94 lblSource = buildLabel(tr("<b>Source</b>:"), tr("Changeset source"), lblChangesetSource);
95 pnlChangesetSource = buildTextPanel(lblSource, lblChangesetSource);
96
97 setLayout(new GridBagLayout());
98 GridBagConstraints gc = new GridBagConstraints();
99 gc.anchor = GridBagConstraints.NORTHWEST;
100 gc.fill = GridBagConstraints.HORIZONTAL;
101 gc.weightx = 1.0;
102 gc.weighty = 1.0;
103 add(pnl1, gc);
104 gc.gridy = 1;
105 gc.weighty = 0.0;
106 add(pnlUserAndChangeset, gc);
107 gc.gridy = 2;
108 add(lblChangesetComment, gc);
109 gc.gridy = 3;
110 add(pnlChangesetSource, gc);
111 }
112
113 protected HistoryOsmPrimitive getPrimitive() {
114 if (model == null || pointInTimeType == null)
115 return null;
116 return model.getPointInTime(pointInTimeType);
117 }
118
119 protected String getInfoText() {
120 HistoryOsmPrimitive primitive = getPrimitive();
121 if (primitive == null)
122 return "";
123 String text;
124 if (model.isLatest(primitive)) {
125 OsmDataLayer editLayer = Main.main.getEditLayer();
126 text = tr("<html>Version <strong>{0}</strong> currently edited in layer ''{1}''</html>",
127 Long.toString(primitive.getVersion()),
128 editLayer == null ? tr("unknown") : editLayer.getName()
129 );
130 } else {
131 String date = "?";
132 if (primitive.getTimestamp() != null) {
133 date = DateUtils.formatDateTime(primitive.getTimestamp(), DateFormat.SHORT, DateFormat.SHORT);
134 }
135 text = tr(
136 "<html>Version <strong>{0}</strong> created on <strong>{1}</strong></html>",
137 Long.toString(primitive.getVersion()), date);
138 }
139 return text;
140 }
141
142 /**
143 * Constructs a new {@code VersionInfoPanel}.
144 */
145 public VersionInfoPanel() {
146 pointInTimeType = null;
147 model = null;
148 build();
149 }
150
151 /**
152 * constructor
153 *
154 * @param model the model (must not be null)
155 * @param pointInTimeType the point in time this panel visualizes (must not be null)
156 * @exception IllegalArgumentException thrown, if model is null
157 * @exception IllegalArgumentException thrown, if pointInTimeType is null
158 *
159 */
160 public VersionInfoPanel(HistoryBrowserModel model, PointInTimeType pointInTimeType) throws IllegalArgumentException {
161 CheckParameterUtil.ensureParameterNotNull(pointInTimeType, "pointInTimeType");
162 CheckParameterUtil.ensureParameterNotNull(model, "model");
163
164 this.model = model;
165 this.pointInTimeType = pointInTimeType;
166 model.addObserver(this);
167 build();
168 }
169
170 protected static String getUserUrl(String username) throws UnsupportedEncodingException {
171 return AbstractInfoAction.getBaseUserUrl() + "/" + URLEncoder.encode(username, "UTF-8").replaceAll("\\+", "%20");
172 }
173
174 @Override
175 public void update(Observable o, Object arg) {
176 lblInfo.setText(getInfoText());
177
178 HistoryOsmPrimitive primitive = getPrimitive();
179 Changeset cs = primitive.getChangeset();
180
181 if (!model.isLatest(primitive)) {
182 User user = primitive.getUser();
183 String url = AbstractInfoAction.getBaseBrowseUrl() + "/changeset/" + primitive.getChangesetId();
184 lblChangeset.setUrl(url);
185 lblChangeset.setDescription(Long.toString(primitive.getChangesetId()));
186
187 String username = "";
188 if (user != null) {
189 username = user.getName();
190 }
191 lblUser.setDescription(username);
192 try {
193 if (user != null && user != User.getAnonymous()) {
194 lblUser.setUrl(getUserUrl(username));
195 } else {
196 lblUser.setUrl(null);
197 }
198 } catch(UnsupportedEncodingException e) {
199 Main.error(e);
200 lblUser.setUrl(null);
201 }
202 } else {
203 String username = JosmUserIdentityManager.getInstance().getUserName();
204 if (username == null) {
205 lblUser.setDescription(tr("anonymous"));
206 lblUser.setUrl(null);
207 } else {
208 lblUser.setDescription(username);
209 try {
210 lblUser.setUrl(getUserUrl(username));
211 } catch(UnsupportedEncodingException e) {
212 Main.error(e);
213 lblUser.setUrl(null);
214 }
215 }
216 lblChangeset.setDescription(tr("none"));
217 lblChangeset.setUrl(null);
218 }
219
220 final Changeset oppCs = model.getPointInTime(pointInTimeType.opposite()).getChangeset();
221 updateText(cs, "comment", lblChangesetComment, null, oppCs, lblChangesetComment);
222 updateText(cs, "source", lblChangesetSource, lblSource, oppCs, pnlChangesetSource);
223 }
224
225 protected static void updateText(Changeset cs, String attr, JTextArea textArea, JLabel label, Changeset oppCs, JComponent container) {
226 final String text = cs != null ? cs.get(attr) : null;
227 // Update text, hide prefixing label if empty
228 if (label != null) {
229 label.setVisible(text != null && !Utils.strip(text).isEmpty());
230 }
231 textArea.setText(text);
232 // Hide container if values of both versions are empty
233 container.setVisible(text != null || (oppCs != null && oppCs.get(attr) != null));
234 }
235}
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