source: josm/trunk/src/org/openstreetmap/josm/gui/preferences/projection/CustomProjectionChoice.java@ 8510

Last change on this file since 8510 was 8510, checked in by Don-vip, 9 years ago

checkstyle: enable relevant whitespace checks and fix them
  • Property svn:eol-style set to native
File size: 10.4 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.preferences.projection;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.BorderLayout;
7import java.awt.GridBagLayout;
8import java.awt.Insets;
9import java.awt.event.ActionEvent;
10import java.awt.event.ActionListener;
11import java.util.ArrayList;
12import java.util.Arrays;
13import java.util.Collection;
14import java.util.Collections;
15import java.util.LinkedList;
16import java.util.List;
17import java.util.Map;
18
19import javax.swing.JButton;
20import javax.swing.JComponent;
21import javax.swing.JLabel;
22import javax.swing.JPanel;
23import javax.swing.plaf.basic.BasicComboBoxEditor;
24
25import org.openstreetmap.josm.Main;
26import org.openstreetmap.josm.data.projection.CustomProjection;
27import org.openstreetmap.josm.data.projection.Projection;
28import org.openstreetmap.josm.data.projection.ProjectionConfigurationException;
29import org.openstreetmap.josm.data.projection.Projections;
30import org.openstreetmap.josm.gui.ExtendedDialog;
31import org.openstreetmap.josm.gui.tagging.ac.AutoCompletionListItem;
32import org.openstreetmap.josm.gui.widgets.AbstractTextComponentValidator;
33import org.openstreetmap.josm.gui.widgets.HistoryComboBox;
34import org.openstreetmap.josm.gui.widgets.HtmlPanel;
35import org.openstreetmap.josm.gui.widgets.JosmTextField;
36import org.openstreetmap.josm.tools.GBC;
37import org.openstreetmap.josm.tools.ImageProvider;
38import org.openstreetmap.josm.tools.Utils;
39
40public class CustomProjectionChoice extends AbstractProjectionChoice implements SubPrefsOptions {
41
42 private String pref;
43
44 /**
45 * Constructs a new {@code CustomProjectionChoice}.
46 */
47 public CustomProjectionChoice() {
48 super(tr("Custom Projection"), /* NO-ICON */ "core:custom");
49 }
50
51 private static class PreferencePanel extends JPanel {
52
53 public JosmTextField input;
54 private HistoryComboBox cbInput;
55
56 public PreferencePanel(String initialText, ActionListener listener) {
57 build(initialText, listener);
58 }
59
60 private final void build(String initialText, final ActionListener listener) {
61 input = new JosmTextField(30);
62 cbInput = new HistoryComboBox();
63 cbInput.setPrototypeDisplayValue(new AutoCompletionListItem("xxxx"));
64 cbInput.setEditor(new BasicComboBoxEditor() {
65 @Override
66 protected JosmTextField createEditorComponent() {
67 return input;
68 }
69 });
70 Collection<String> samples = Arrays.asList(
71 "+proj=lonlat +ellps=WGS84 +datum=WGS84 +bounds=-180,-90,180,90",
72 "+proj=tmerc +lat_0=0 +lon_0=9 +k_0=1 +x_0=3500000 +y_0=0 +ellps=bessel +nadgrids=BETA2007.gsb");
73 List<String> inputHistory = new LinkedList<>(Main.pref.getCollection("projection.custom.value.history", samples));
74 Collections.reverse(inputHistory);
75 cbInput.setPossibleItems(inputHistory);
76 cbInput.setText(initialText == null ? "" : initialText);
77
78 final HtmlPanel errorsPanel = new HtmlPanel();
79 errorsPanel.setVisible(false);
80 final JLabel valStatus = new JLabel();
81 valStatus.setVisible(false);
82
83 final AbstractTextComponentValidator val = new AbstractTextComponentValidator(input, false, false, false) {
84
85 private String error;
86
87 @Override
88 public void validate() {
89 if (!isValid()) {
90 feedbackInvalid(tr("Invalid projection configuration: {0}", error));
91 } else {
92 feedbackValid(tr("Projection configuration is valid."));
93 }
94 listener.actionPerformed(null);
95 }
96
97 @Override
98 public final boolean isValid() {
99 try {
100 CustomProjection test = new CustomProjection();
101 test.update(input.getText());
102 } catch (ProjectionConfigurationException ex) {
103 error = ex.getMessage();
104 valStatus.setIcon(ImageProvider.get("data", "error"));
105 valStatus.setVisible(true);
106 errorsPanel.setText(error);
107 errorsPanel.setVisible(true);
108 return false;
109 }
110 errorsPanel.setVisible(false);
111 valStatus.setIcon(ImageProvider.get("misc", "green_check"));
112 valStatus.setVisible(true);
113 return true;
114 }
115
116 };
117
118 JButton btnCheck = new JButton(tr("Validate"));
119 btnCheck.addActionListener(new ActionListener() {
120 @Override
121 public void actionPerformed(ActionEvent e) {
122 val.validate();
123 }
124 });
125 btnCheck.setLayout(new BorderLayout());
126 btnCheck.setMargin(new Insets(-1, 0, -1, 0));
127
128 JButton btnInfo = new JButton(tr("Parameter information..."));
129 btnInfo.addActionListener(new ActionListener() {
130 @Override
131 public void actionPerformed(ActionEvent e) {
132 CustomProjectionChoice.ParameterInfoDialog dlg = new CustomProjectionChoice.ParameterInfoDialog();
133 dlg.showDialog();
134 dlg.toFront();
135 }
136 });
137
138 this.setLayout(new GridBagLayout());
139 JPanel p2 = new JPanel(new GridBagLayout());
140 p2.add(cbInput, GBC.std().fill(GBC.HORIZONTAL).insets(0, 20, 5, 5));
141 p2.add(btnCheck, GBC.eol().insets(0, 20, 0, 5));
142 this.add(p2, GBC.eol().fill(GBC.HORIZONTAL));
143 p2 = new JPanel(new GridBagLayout());
144 p2.add(valStatus, GBC.std().anchor(GBC.WEST).weight(0.0001, 0));
145 p2.add(errorsPanel, GBC.eol().fill(GBC.HORIZONTAL));
146 this.add(p2, GBC.eol().fill(GBC.HORIZONTAL));
147 p2 = new JPanel(new GridBagLayout());
148 p2.add(btnInfo, GBC.std().insets(0, 20, 0, 0));
149 p2.add(GBC.glue(1, 0), GBC.eol().fill(GBC.HORIZONTAL));
150 this.add(p2, GBC.eol().fill(GBC.HORIZONTAL));
151 }
152
153 public void rememberHistory() {
154 cbInput.addCurrentItemToHistory();
155 Main.pref.putCollection("projection.custom.value.history", cbInput.getHistory());
156 }
157 }
158
159 public static class ParameterInfoDialog extends ExtendedDialog {
160
161 /**
162 * Constructs a new {@code ParameterInfoDialog}.
163 */
164 public ParameterInfoDialog() {
165 super(null, tr("Parameter information"), new String[] {tr("Close")}, false);
166 setContent(build());
167 }
168
169 private JComponent build() {
170 StringBuilder s = new StringBuilder();
171 s.append("<b>+proj=...</b> - <i>").append(tr("Projection name"))
172 .append("</i><br>&nbsp;&nbsp;&nbsp;&nbsp;").append(tr("Supported values:")).append(' ')
173 .append(listKeys(Projections.projs))
174 .append("<br><b>+lat_0=..., +lat_1=..., +lat_2=...</b> - <i>").append(tr("Projection parameters"))
175 .append("</i><br><b>+x_0=..., +y_0=...</b> - <i>").append(tr("False easting and false northing"))
176 .append("</i><br><b>+lon_0=...</b> - <i>").append(tr("Central meridian"))
177 .append("</i><br><b>+k_0=...</b> - <i>").append(tr("Scaling factor"))
178 .append("</i><br><b>+ellps=...</b> - <i>").append(tr("Ellipsoid name"))
179 .append("</i><br>&nbsp;&nbsp;&nbsp;&nbsp;").append(tr("Supported values:")).append(' ')
180 .append(listKeys(Projections.ellipsoids))
181 .append("<br><b>+a=..., +b=..., +rf=..., +f=..., +es=...</b> - <i>").append(tr("Ellipsoid parameters"))
182 .append("</i><br><b>+datum=...</b> - <i>").append(tr("Datum name"))
183 .append("</i><br>&nbsp;&nbsp;&nbsp;&nbsp;").append(tr("Supported values:")).append(' ')
184 .append(listKeys(Projections.datums))
185 .append("<br><b>+towgs84=...</b> - <i>").append(tr("3 or 7 term datum transform parameters"))
186 .append("</i><br><b>+nadgrids=...</b> - <i>").append(tr("NTv2 grid file"))
187 .append("</i><br>&nbsp;&nbsp;&nbsp;&nbsp;").append(tr("Built-in:")).append(' ')
188 .append(listKeys(Projections.nadgrids))
189 .append("<br><b>+bounds=</b>minlon,minlat,maxlon,maxlat - <i>").append(tr("Projection bounds (in degrees)"))
190 .append("</i><br><b>+wmssrs=</b>EPSG:123456 - <i>").append(tr("Sets the SRS=... parameter in the WMS request"))
191 .append("</i><br>");
192
193 return new HtmlPanel(s.toString());
194 }
195
196 private String listKeys(Map<String, ?> map) {
197 List<String> keys = new ArrayList<>(map.keySet());
198 Collections.sort(keys);
199 return Utils.join(", ", keys);
200 }
201 }
202
203 @Override
204 public void setPreferences(Collection<String> args) {
205 if (args != null && !args.isEmpty()) {
206 pref = args.iterator().next();
207 }
208 }
209
210 @Override
211 public Projection getProjection() {
212 return new CustomProjection(pref);
213 }
214
215 @Override
216 public String getCurrentCode() {
217 // not needed - getProjection() is overridden
218 throw new UnsupportedOperationException();
219 }
220
221 @Override
222 public String getProjectionName() {
223 // not needed - getProjection() is overridden
224 throw new UnsupportedOperationException();
225 }
226
227 @Override
228 public JPanel getPreferencePanel(ActionListener listener) {
229 return new PreferencePanel(pref, listener);
230 }
231
232 @Override
233 public Collection<String> getPreferences(JPanel panel) {
234 if (!(panel instanceof PreferencePanel)) {
235 throw new IllegalArgumentException("Unsupported panel: "+panel);
236 }
237 PreferencePanel prefPanel = (PreferencePanel) panel;
238 String pref = prefPanel.input.getText();
239 prefPanel.rememberHistory();
240 return Collections.singleton(pref);
241 }
242
243 @Override
244 public String[] allCodes() {
245 return new String[0];
246 }
247
248 @Override
249 public Collection<String> getPreferencesFromCode(String code) {
250 return null;
251 }
252
253 @Override
254 public boolean showProjectionCode() {
255 return false;
256 }
257
258 @Override
259 public boolean showProjectionName() {
260 return false;
261 }
262}
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