source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/query/UrlBasedQueryPanel.java@ 2728

Last change on this file since 2728 was 2728, checked in by framm, 14 years ago

fix message
File size: 7.2 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.Dimension;
7import java.awt.GridBagConstraints;
8import java.awt.GridBagLayout;
9import java.awt.Insets;
10import java.awt.event.FocusAdapter;
11import java.awt.event.FocusEvent;
12import java.net.MalformedURLException;
13import java.net.URL;
14
15import javax.swing.BorderFactory;
16import javax.swing.JLabel;
17import javax.swing.JPanel;
18import javax.swing.JTextField;
19import javax.swing.event.DocumentEvent;
20import javax.swing.event.DocumentListener;
21import javax.swing.event.HyperlinkEvent;
22import javax.swing.event.HyperlinkListener;
23
24import org.openstreetmap.josm.gui.widgets.HtmlPanel;
25import org.openstreetmap.josm.io.ChangesetQuery;
26import org.openstreetmap.josm.io.OsmApi;
27import org.openstreetmap.josm.io.ChangesetQuery.ChangesetQueryUrlException;
28import org.openstreetmap.josm.tools.ImageProvider;
29
30
31public class UrlBasedQueryPanel extends JPanel {
32
33 private JTextField tfUrl;
34 private JLabel lblValid;
35
36 protected JPanel buildURLPanel() {
37 JPanel pnl = new JPanel(new GridBagLayout());
38 GridBagConstraints gc = new GridBagConstraints();
39 gc.weightx = 0.0;
40 gc.fill = GridBagConstraints.HORIZONTAL;
41 gc.insets = new Insets(0,0,0,5);
42 pnl.add(new JLabel(tr("URL: ")), gc);
43
44 gc.gridx = 1;
45 gc.weightx = 1.0;
46 gc.fill = GridBagConstraints.HORIZONTAL;
47 pnl.add(tfUrl = new JTextField(), gc);
48 tfUrl.getDocument().addDocumentListener(new ChangetQueryUrlValidator());
49 tfUrl.addFocusListener(
50 new FocusAdapter() {
51 @Override
52 public void focusGained(FocusEvent e) {
53 tfUrl.selectAll();
54 }
55 }
56 );
57
58 gc.gridx = 2;
59 gc.weightx = 0.0;
60 gc.fill = GridBagConstraints.HORIZONTAL;
61 pnl.add(lblValid = new JLabel(), gc);
62 lblValid.setPreferredSize(new Dimension(20,20));
63 return pnl;
64 }
65
66 protected JPanel buildHelpPanel() {
67 HtmlPanel pnl = new HtmlPanel();
68 pnl.setText(
69 "<html><body>"
70 + tr("Please enter or paste an URL to retrieve changesets from the OSM API.")
71 + "<p><strong>" + tr("Examples") + "</strong></p>"
72 + "<ul>"
73 + "<li><a href=\"http://www.openstreetmap.org/browse/changesets?open=true\">http://www.openstreetmap.org/browse/changesets?open=true</a></li>"
74 + "<li><a href=\"http://api.openstreetmap.org/api/0.6/changesets?open=true\">http://api.openstreetmap.org/api/0.6/changesets?open=true</a></li>"
75 + "</ul>"
76 + tr("Note that changeset queries are currently always submitted to ''{0}'', regardless of the "
77 + "host, port and path of the URL entered below.", OsmApi.getOsmApi().getBaseUrl())
78 + "</body></html>"
79 );
80 pnl.getEditorPane().addHyperlinkListener(
81 new HyperlinkListener() {
82 public void hyperlinkUpdate(HyperlinkEvent e) {
83 if (e.getEventType().equals(HyperlinkEvent.EventType.ACTIVATED)) {
84 tfUrl.setText(e.getDescription());
85 tfUrl.requestFocusInWindow();
86 }
87 }
88 }
89 );
90 return pnl;
91 }
92
93 protected ChangesetQuery buildChangesetQueryFromUrlQuery(String query) {
94 if (query == null)
95 return new ChangesetQuery();
96 query = query.trim();
97 return null;
98 }
99
100 protected void build() {
101 setLayout(new GridBagLayout());
102 setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
103
104 GridBagConstraints gc = new GridBagConstraints();
105 gc.weightx = 1.0;
106 gc.fill = GridBagConstraints.HORIZONTAL;
107 gc.insets = new Insets(0,0,10,0);
108 add(buildHelpPanel(),gc);
109
110 gc.gridy = 1;
111 gc.weightx = 1.0;
112 gc.fill = GridBagConstraints.HORIZONTAL;
113 add(buildURLPanel(),gc);
114
115 gc.gridy = 2;
116 gc.weightx = 1.0;
117 gc.weighty = 1.0;
118 gc.fill = GridBagConstraints.BOTH;
119 add(new JPanel(),gc);
120
121 }
122 public UrlBasedQueryPanel() {
123 build();
124 }
125
126 protected boolean isValidChangesetQueryUrl(String text) {
127 return buildChangesetQuery(text) != null;
128 }
129
130 protected ChangesetQuery buildChangesetQuery(String text) {
131 URL url = null;
132 try {
133 url = new URL(text);
134 } catch(MalformedURLException e) {
135 return null;
136 }
137 String path = url.getPath();
138 String query = url.getQuery();
139 if (path == null || ! path.endsWith("/changesets")) return null;
140
141 try {
142 return ChangesetQuery.buildFromUrlQuery(query);
143 } catch(ChangesetQueryUrlException e) {
144 return null;
145 }
146 }
147
148 /**
149 * Replies the {@see ChangesetQuery} specified in this panel. null, if no valid changeset query
150 * is specified.
151 *
152 * @return the changeset query
153 */
154 public ChangesetQuery buildChangesetQuery() {
155 String value = tfUrl.getText().trim();
156 return buildChangesetQuery(value);
157 }
158
159 public void startUserInput() {
160 tfUrl.requestFocusInWindow();
161 }
162
163 /**
164 * Validates text entered in the changeset query URL field on the fly
165 */
166 class ChangetQueryUrlValidator implements DocumentListener {
167 protected String getCurrentFeedback() {
168 String fb = (String)lblValid.getClientProperty("valid");
169 return fb == null ? "none" : fb;
170 }
171 protected void feedbackValid() {
172 if (getCurrentFeedback().equals("valid")) return;
173 lblValid.setIcon(ImageProvider.get("dialogs/changeset", "valid"));
174 lblValid.setToolTipText("");
175 lblValid.putClientProperty("valid", "valid");
176 }
177
178 protected void feedbackInvalid() {
179 if (getCurrentFeedback().equals("invalid")) return;
180 lblValid.setIcon(ImageProvider.get("warning-small"));
181 lblValid.setToolTipText(tr("This changeset query URL is invalid"));
182 lblValid.putClientProperty("valid", "invalid");
183 }
184
185 protected void feedbackNone() {
186 lblValid.setIcon(null);
187 lblValid.putClientProperty("valid", "none");
188 }
189
190 protected void validate() {
191 String value = tfUrl.getText();
192 if (value.trim().equals("")) {
193 feedbackNone();
194 return;
195 }
196 value = value.trim();
197 if (isValidChangesetQueryUrl(value)) {
198 feedbackValid();
199 } else {
200 feedbackInvalid();
201 }
202 }
203 public void changedUpdate(DocumentEvent e) {
204 validate();
205 }
206
207 public void insertUpdate(DocumentEvent e) {
208 validate();
209 }
210
211 public void removeUpdate(DocumentEvent e) {
212 validate();
213 }
214 }
215}
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