source: josm/trunk/src/org/openstreetmap/josm/actions/MapRectifierWMSmenuAction.java@ 12279

Last change on this file since 12279 was 12279, checked in by Don-vip, 7 years ago

sonar - squid:S3878 - Arrays should not be created for varargs parameters
  • Property svn:eol-style set to native
File size: 9.8 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.actions;
3
4import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
5import static org.openstreetmap.josm.tools.I18n.tr;
6
7import java.awt.GridBagConstraints;
8import java.awt.GridBagLayout;
9import java.awt.event.ActionEvent;
10import java.awt.event.KeyEvent;
11import java.util.ArrayList;
12import java.util.List;
13import java.util.regex.Matcher;
14import java.util.regex.Pattern;
15
16import javax.swing.ButtonGroup;
17import javax.swing.JLabel;
18import javax.swing.JOptionPane;
19import javax.swing.JPanel;
20import javax.swing.JRadioButton;
21
22import org.openstreetmap.josm.Main;
23import org.openstreetmap.josm.data.imagery.ImageryInfo;
24import org.openstreetmap.josm.gui.ExtendedDialog;
25import org.openstreetmap.josm.gui.datatransfer.ClipboardUtils;
26import org.openstreetmap.josm.gui.layer.WMSLayer;
27import org.openstreetmap.josm.gui.widgets.JosmTextField;
28import org.openstreetmap.josm.gui.widgets.UrlLabel;
29import org.openstreetmap.josm.tools.GBC;
30import org.openstreetmap.josm.tools.Shortcut;
31
32/**
33 * Download rectified images from various services.
34 * @since 3715
35 */
36public class MapRectifierWMSmenuAction extends JosmAction {
37
38 /**
39 * Class that bundles all required information of a rectifier service
40 */
41 public static class RectifierService {
42 private final String name;
43 private final String url;
44 private final String wmsUrl;
45 private final Pattern urlRegEx;
46 private final Pattern idValidator;
47 private JRadioButton btn;
48
49 /**
50 * @param name Name of the rectifing service
51 * @param url URL to the service where users can register, upload, etc.
52 * @param wmsUrl URL to the WMS server where JOSM will grab the images. Insert __s__ where the ID should be placed
53 * @param urlRegEx a regular expression that determines if a given URL is one of the service and returns the WMS id if so
54 * @param idValidator regular expression that checks if a given ID is syntactically valid
55 */
56 public RectifierService(String name, String url, String wmsUrl, String urlRegEx, String idValidator) {
57 this.name = name;
58 this.url = url;
59 this.wmsUrl = wmsUrl;
60 this.urlRegEx = Pattern.compile(urlRegEx);
61 this.idValidator = Pattern.compile(idValidator);
62 }
63
64 private boolean isSelected() {
65 return btn.isSelected();
66 }
67 }
68
69 /**
70 * List of available rectifier services.
71 */
72 private final transient List<RectifierService> services = new ArrayList<>();
73
74 /**
75 * Constructs a new {@code MapRectifierWMSmenuAction}.
76 */
77 public MapRectifierWMSmenuAction() {
78 super(tr("Rectified Image..."),
79 "OLmarker",
80 tr("Download Rectified Images From Various Services"),
81 Shortcut.registerShortcut("imagery:rectimg",
82 tr("Imagery: {0}", tr("Rectified Image...")),
83 KeyEvent.CHAR_UNDEFINED, Shortcut.NONE),
84 true
85 );
86 putValue("help", ht("/Menu/Imagery"));
87
88 // Add default services
89 services.add(
90 new RectifierService("Metacarta Map Rectifier",
91 "http://labs.metacarta.com/rectifier/",
92 "http://labs.metacarta.com/rectifier/wms.cgi?id=__s__&srs=EPSG:4326"
93 + "&Service=WMS&Version=1.1.0&Request=GetMap&format=image/png&",
94 // This matches more than the "classic" WMS link, so users can pretty much
95 // copy any link as long as it includes the ID
96 "labs\\.metacarta\\.com/(?:.*?)(?:/|=)([0-9]+)(?:\\?|/|\\.|$)",
97 "^[0-9]+$")
98 );
99 services.add(
100 new RectifierService("Map Warper",
101 "http://mapwarper.net/",
102 "http://mapwarper.net/maps/wms/__s__?request=GetMap&version=1.1.1"
103 + "&styles=&format=image/png&srs=epsg:4326&exceptions=application/vnd.ogc.se_inimage&",
104 // This matches more than the "classic" WMS link, so users can pretty much
105 // copy any link as long as it includes the ID
106 "(?:mapwarper\\.net|warper\\.geothings\\.net)/(?:.*?)/([0-9]+)(?:\\?|/|\\.|$)",
107 "^[0-9]+$")
108 );
109
110 // This service serves the purpose of "just this once" without forcing the user
111 // to commit the link to the preferences
112
113 // Clipboard content gets trimmed, so matching whitespace only ensures that this
114 // service will never be selected automatically.
115 services.add(new RectifierService(tr("Custom WMS Link"), "", "", "^\\s+$", ""));
116 }
117
118 @Override
119 public void actionPerformed(ActionEvent e) {
120 if (!isEnabled()) return;
121 JPanel panel = new JPanel(new GridBagLayout());
122 panel.add(new JLabel(tr("Supported Rectifier Services:")), GBC.eol());
123
124 JosmTextField tfWmsUrl = new JosmTextField(30);
125
126 String clip = ClipboardUtils.getClipboardStringContent();
127 clip = clip == null ? "" : clip.trim();
128 ButtonGroup group = new ButtonGroup();
129
130 JRadioButton firstBtn = null;
131 for (RectifierService s : services) {
132 JRadioButton serviceBtn = new JRadioButton(s.name);
133 if (firstBtn == null) {
134 firstBtn = serviceBtn;
135 }
136 // Checks clipboard contents against current service if no match has been found yet.
137 // If the contents match, they will be inserted into the text field and the corresponding
138 // service will be pre-selected.
139 if (!clip.isEmpty() && tfWmsUrl.getText().isEmpty()
140 && (s.urlRegEx.matcher(clip).find() || s.idValidator.matcher(clip).matches())) {
141 serviceBtn.setSelected(true);
142 tfWmsUrl.setText(clip);
143 }
144 s.btn = serviceBtn;
145 group.add(serviceBtn);
146 if (!s.url.isEmpty()) {
147 panel.add(serviceBtn, GBC.std());
148 panel.add(new UrlLabel(s.url, tr("Visit Homepage")), GBC.eol().anchor(GridBagConstraints.EAST));
149 } else {
150 panel.add(serviceBtn, GBC.eol().anchor(GridBagConstraints.WEST));
151 }
152 }
153
154 // Fallback in case no match was found
155 if (tfWmsUrl.getText().isEmpty() && firstBtn != null) {
156 firstBtn.setSelected(true);
157 }
158
159 panel.add(new JLabel(tr("WMS URL or Image ID:")), GBC.eol());
160 panel.add(tfWmsUrl, GBC.eol().fill(GridBagConstraints.HORIZONTAL));
161
162 ExtendedDialog diag = new ExtendedDialog(Main.parent,
163 tr("Add Rectified Image"),
164 tr("Add Rectified Image"), tr("Cancel"))
165 .setContent(panel)
166 .setButtonIcons("OLmarker", "cancel");
167
168 // This repeatedly shows the dialog in case there has been an error.
169 // The loop is break;-ed if the users cancels
170 outer: while (true) {
171 diag.showDialog();
172 int answer = diag.getValue();
173 // Break loop when the user cancels
174 if (answer != 1) {
175 break;
176 }
177
178 String text = tfWmsUrl.getText().trim();
179 // Loop all services until we find the selected one
180 for (RectifierService s : services) {
181 if (!s.isSelected()) {
182 continue;
183 }
184
185 // We've reached the custom WMS URL service
186 // Just set the URL and hope everything works out
187 if (s.wmsUrl.isEmpty()) {
188 try {
189 addWMSLayer(s.name + " (" + text + ')', text);
190 break outer;
191 } catch (IllegalStateException ex) {
192 Main.error(ex, false);
193 }
194 }
195
196 // First try to match if the entered string as an URL
197 Matcher m = s.urlRegEx.matcher(text);
198 if (m.find()) {
199 String id = m.group(1);
200 String newURL = s.wmsUrl.replaceAll("__s__", id);
201 String title = s.name + " (" + id + ')';
202 addWMSLayer(title, newURL);
203 break outer;
204 }
205 // If not, look if it's a valid ID for the selected service
206 if (s.idValidator.matcher(text).matches()) {
207 String newURL = s.wmsUrl.replaceAll("__s__", text);
208 String title = s.name + " (" + text + ')';
209 addWMSLayer(title, newURL);
210 break outer;
211 }
212
213 // We've found the selected service, but the entered string isn't suitable for
214 // it. So quit checking the other radio buttons
215 break;
216 }
217
218 // and display an error message. The while loop ensures that the dialog pops up again
219 JOptionPane.showMessageDialog(Main.parent,
220 tr("Couldn''t match the entered link or id to the selected service. Please try again."),
221 tr("No valid WMS URL or id"),
222 JOptionPane.ERROR_MESSAGE);
223 diag.setVisible(true);
224 }
225 }
226
227 /**
228 * Adds a WMS Layer with given title and URL
229 * @param title Name of the layer as it will shop up in the layer manager
230 * @param url URL to the WMS server
231 * @throws IllegalStateException if imagery time is neither HTML nor WMS
232 */
233 private static void addWMSLayer(String title, String url) {
234 WMSLayer layer = new WMSLayer(new ImageryInfo(title, url));
235 Main.getLayerManager().addLayer(layer);
236 }
237
238 @Override
239 protected void updateEnabledState() {
240 setEnabled(!Main.getLayerManager().getLayers().isEmpty());
241 }
242}
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