source: josm/trunk/src/org/openstreetmap/josm/gui/mappaint/xml/XmlStyleSource.java@ 7081

Last change on this file since 7081 was 7081, checked in by Don-vip, 10 years ago

fixes for unit tests
  • Property svn:eol-style set to native
File size: 15.4 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.mappaint.xml;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.io.IOException;
7import java.io.InputStream;
8import java.io.InputStreamReader;
9import java.util.Collection;
10import java.util.Collections;
11import java.util.HashMap;
12import java.util.LinkedList;
13import java.util.List;
14import java.util.Map;
15
16import org.openstreetmap.josm.Main;
17import org.openstreetmap.josm.data.osm.Node;
18import org.openstreetmap.josm.data.osm.OsmPrimitive;
19import org.openstreetmap.josm.data.osm.OsmUtils;
20import org.openstreetmap.josm.data.osm.Relation;
21import org.openstreetmap.josm.data.osm.Way;
22import org.openstreetmap.josm.gui.mappaint.Cascade;
23import org.openstreetmap.josm.gui.mappaint.Keyword;
24import org.openstreetmap.josm.gui.mappaint.MultiCascade;
25import org.openstreetmap.josm.gui.mappaint.Range;
26import org.openstreetmap.josm.gui.mappaint.StyleKeys;
27import org.openstreetmap.josm.gui.mappaint.StyleSource;
28import org.openstreetmap.josm.gui.preferences.SourceEntry;
29import org.openstreetmap.josm.io.MirroredInputStream;
30import org.openstreetmap.josm.tools.Utils;
31import org.openstreetmap.josm.tools.XmlObjectParser;
32import org.xml.sax.SAXException;
33import org.xml.sax.SAXParseException;
34
35public class XmlStyleSource extends StyleSource implements StyleKeys {
36
37 /**
38 * The accepted MIME types sent in the HTTP Accept header.
39 * @since 6867
40 */
41 public static final String XML_STYLE_MIME_TYPES = "application/xml, text/xml, text/plain; q=0.8, application/zip, application/octet-stream; q=0.5";
42
43 protected final Map<String, IconPrototype> icons = new HashMap<>();
44 protected final Map<String, LinePrototype> lines = new HashMap<>();
45 protected final Map<String, LinemodPrototype> modifiers = new HashMap<>();
46 protected final Map<String, AreaPrototype> areas = new HashMap<>();
47 protected final List<IconPrototype> iconsList = new LinkedList<>();
48 protected final List<LinePrototype> linesList = new LinkedList<>();
49 protected final List<LinemodPrototype> modifiersList = new LinkedList<>();
50 protected final List<AreaPrototype> areasList = new LinkedList<>();
51
52 public XmlStyleSource(String url, String name, String shortdescription) {
53 super(url, name, shortdescription);
54 }
55
56 public XmlStyleSource(SourceEntry entry) {
57 super(entry);
58 }
59
60 @Override
61 protected void init() {
62 super.init();
63 icons.clear();
64 lines.clear();
65 modifiers.clear();
66 areas.clear();
67 iconsList.clear();
68 linesList.clear();
69 modifiersList.clear();
70 areasList.clear();
71 }
72
73 @Override
74 public void loadStyleSource() {
75 init();
76 try {
77 try (
78 InputStream in = getSourceInputStream();
79 InputStreamReader reader = new InputStreamReader(in, Utils.UTF_8)
80 ) {
81 XmlObjectParser parser = new XmlObjectParser(new XmlStyleSourceHandler(this));
82 parser.startWithValidation(reader,
83 Main.getXMLBase()+"/mappaint-style-1.0",
84 "resource://data/mappaint-style.xsd");
85 while (parser.hasNext());
86 }
87 } catch (IOException e) {
88 Main.warn(tr("Failed to load Mappaint styles from ''{0}''. Exception was: {1}", url, e.toString()));
89 Main.error(e);
90 logError(e);
91 } catch (SAXParseException e) {
92 Main.warn(tr("Failed to parse Mappaint styles from ''{0}''. Error was: [{1}:{2}] {3}", url, e.getLineNumber(), e.getColumnNumber(), e.getMessage()));
93 Main.error(e);
94 logError(e);
95 } catch (SAXException e) {
96 Main.warn(tr("Failed to parse Mappaint styles from ''{0}''. Error was: {1}", url, e.getMessage()));
97 Main.error(e);
98 logError(e);
99 }
100 }
101
102 @Override
103 public InputStream getSourceInputStream() throws IOException {
104 MirroredInputStream in = getMirroredInputStream();
105 InputStream zip = in.findZipEntryInputStream("xml", "style");
106 if (zip != null) {
107 zipIcons = in.getFile();
108 return zip;
109 } else {
110 zipIcons = null;
111 return in;
112 }
113 }
114
115 @Override
116 public MirroredInputStream getMirroredInputStream() throws IOException {
117 return new MirroredInputStream(url, null, XML_STYLE_MIME_TYPES);
118 }
119
120 private static class WayPrototypesRecord {
121 public LinePrototype line;
122 public List<LinemodPrototype> linemods;
123 public AreaPrototype area;
124 }
125
126 private <T extends Prototype> T update(T current, T candidate, Double scale, MultiCascade mc) {
127 if (requiresUpdate(current, candidate, scale, mc))
128 return candidate;
129 else
130 return current;
131 }
132
133 /**
134 * checks whether a certain match is better than the current match
135 * @param current can be null
136 * @param candidate the new Prototype that could be used instead
137 * @param scale ignored if null, otherwise checks if scale is within the range of candidate
138 * @param mc side effect: update the valid region for the current MultiCascade
139 */
140 private boolean requiresUpdate(Prototype current, Prototype candidate, Double scale, MultiCascade mc) {
141 if (current == null || candidate.priority >= current.priority) {
142 if (scale == null)
143 return true;
144
145 if (candidate.range.contains(scale)) {
146 mc.range = Range.cut(mc.range, candidate.range);
147 return true;
148 } else {
149 mc.range = mc.range.reduceAround(scale, candidate.range);
150 return false;
151 }
152 }
153 return false;
154 }
155
156 private IconPrototype getNode(OsmPrimitive primitive, Double scale, MultiCascade mc) {
157 IconPrototype icon = null;
158 for (String key : primitive.keySet()) {
159 String val = primitive.get(key);
160 IconPrototype p;
161 if ((p = icons.get("n" + key + "=" + val)) != null) {
162 icon = update(icon, p, scale, mc);
163 }
164 if ((p = icons.get("b" + key + "=" + OsmUtils.getNamedOsmBoolean(val))) != null) {
165 icon = update(icon, p, scale, mc);
166 }
167 if ((p = icons.get("x" + key)) != null) {
168 icon = update(icon, p, scale, mc);
169 }
170 }
171 for (IconPrototype s : iconsList) {
172 if (s.check(primitive))
173 {
174 icon = update(icon, s, scale, mc);
175 }
176 }
177 return icon;
178 }
179
180 /**
181 * @param closed The primitive is a closed way or we pretend it is closed.
182 * This is useful for multipolygon relations and outer ways of untagged
183 * multipolygon relations.
184 */
185 private void get(OsmPrimitive primitive, boolean closed, WayPrototypesRecord p, Double scale, MultiCascade mc) {
186 String lineIdx = null;
187 HashMap<String, LinemodPrototype> overlayMap = new HashMap<>();
188 boolean isNotArea = primitive.isKeyFalse("area");
189 for (String key : primitive.keySet()) {
190 String val = primitive.get(key);
191 AreaPrototype styleArea;
192 LinePrototype styleLine;
193 LinemodPrototype styleLinemod;
194 String idx = "n" + key + "=" + val;
195 if ((styleArea = areas.get(idx)) != null && (closed || !styleArea.closed) && !isNotArea) {
196 p.area = update(p.area, styleArea, scale, mc);
197 }
198 if ((styleLine = lines.get(idx)) != null) {
199 if (requiresUpdate(p.line, styleLine, scale, mc)) {
200 p.line = styleLine;
201 lineIdx = idx;
202 }
203 }
204 if ((styleLinemod = modifiers.get(idx)) != null) {
205 if (requiresUpdate(null, styleLinemod, scale, mc)) {
206 overlayMap.put(idx, styleLinemod);
207 }
208 }
209 idx = "b" + key + "=" + OsmUtils.getNamedOsmBoolean(val);
210 if ((styleArea = areas.get(idx)) != null && (closed || !styleArea.closed) && !isNotArea) {
211 p.area = update(p.area, styleArea, scale, mc);
212 }
213 if ((styleLine = lines.get(idx)) != null) {
214 if (requiresUpdate(p.line, styleLine, scale, mc)) {
215 p.line = styleLine;
216 lineIdx = idx;
217 }
218 }
219 if ((styleLinemod = modifiers.get(idx)) != null) {
220 if (requiresUpdate(null, styleLinemod, scale, mc)) {
221 overlayMap.put(idx, styleLinemod);
222 }
223 }
224 idx = "x" + key;
225 if ((styleArea = areas.get(idx)) != null && (closed || !styleArea.closed) && !isNotArea) {
226 p.area = update(p.area, styleArea, scale, mc);
227 }
228 if ((styleLine = lines.get(idx)) != null) {
229 if (requiresUpdate(p.line, styleLine, scale, mc)) {
230 p.line = styleLine;
231 lineIdx = idx;
232 }
233 }
234 if ((styleLinemod = modifiers.get(idx)) != null) {
235 if (requiresUpdate(null, styleLinemod, scale, mc)) {
236 overlayMap.put(idx, styleLinemod);
237 }
238 }
239 }
240 for (AreaPrototype s : areasList) {
241 if ((closed || !s.closed) && !isNotArea && s.check(primitive)) {
242 p.area = update(p.area, s, scale, mc);
243 }
244 }
245 for (LinePrototype s : linesList) {
246 if (s.check(primitive)) {
247 p.line = update(p.line, s, scale, mc);
248 }
249 }
250 for (LinemodPrototype s : modifiersList) {
251 if (s.check(primitive)) {
252 if (requiresUpdate(null, s, scale, mc)) {
253 overlayMap.put(s.getCode(), s);
254 }
255 }
256 }
257 overlayMap.remove(lineIdx); // do not use overlay if linestyle is from the same rule (example: railway=tram)
258 if (!overlayMap.isEmpty()) {
259 List<LinemodPrototype> tmp = new LinkedList<>();
260 if (p.linemods != null) {
261 tmp.addAll(p.linemods);
262 }
263 tmp.addAll(overlayMap.values());
264 Collections.sort(tmp);
265 p.linemods = tmp;
266 }
267 }
268
269 public void add(XmlCondition c, Collection<XmlCondition> conditions, Prototype prot) {
270 if(conditions != null)
271 {
272 prot.conditions = conditions;
273 if (prot instanceof IconPrototype) {
274 iconsList.add((IconPrototype) prot);
275 } else if (prot instanceof LinemodPrototype) {
276 modifiersList.add((LinemodPrototype) prot);
277 } else if (prot instanceof LinePrototype) {
278 linesList.add((LinePrototype) prot);
279 } else if (prot instanceof AreaPrototype) {
280 areasList.add((AreaPrototype) prot);
281 } else
282 throw new RuntimeException();
283 }
284 else {
285 String key = c.getKey();
286 prot.code = key;
287 if (prot instanceof IconPrototype) {
288 icons.put(key, (IconPrototype) prot);
289 } else if (prot instanceof LinemodPrototype) {
290 modifiers.put(key, (LinemodPrototype) prot);
291 } else if (prot instanceof LinePrototype) {
292 lines.put(key, (LinePrototype) prot);
293 } else if (prot instanceof AreaPrototype) {
294 areas.put(key, (AreaPrototype) prot);
295 } else
296 throw new RuntimeException();
297 }
298 }
299
300 @Override
301 public void apply(MultiCascade mc, OsmPrimitive osm, double scale, OsmPrimitive multipolyOuterWay, boolean pretendWayIsClosed) {
302 Cascade def = mc.getOrCreateCascade("default");
303 boolean useMinMaxScale = Main.pref.getBoolean("mappaint.zoomLevelDisplay", false);
304
305 if (osm instanceof Node || (osm instanceof Relation && "restriction".equals(osm.get("type")))) {
306 IconPrototype icon = getNode(osm, (useMinMaxScale ? scale : null), mc);
307 if (icon != null) {
308 def.put(ICON_IMAGE, icon.icon);
309 if (osm instanceof Node) {
310 if (icon.annotate != null) {
311 if (icon.annotate) {
312 def.put(TEXT, Keyword.AUTO);
313 } else {
314 def.remove(TEXT);
315 }
316 }
317 }
318 }
319 } else if (osm instanceof Way || (osm instanceof Relation && ((Relation)osm).isMultipolygon())) {
320 WayPrototypesRecord p = new WayPrototypesRecord();
321 get(osm, pretendWayIsClosed || !(osm instanceof Way) || ((Way) osm).isClosed(), p, (useMinMaxScale ? scale : null), mc);
322 if (p.line != null) {
323 def.put(WIDTH, new Float(p.line.getWidth()));
324 def.putOrClear(REAL_WIDTH, p.line.realWidth != null ? new Float(p.line.realWidth) : null);
325 def.putOrClear(COLOR, p.line.color);
326 if (p.line.color != null) {
327 int alpha = p.line.color.getAlpha();
328 if (alpha != 255) {
329 def.put(OPACITY, Utils.color_int2float(alpha));
330 }
331 }
332 def.putOrClear(DASHES, p.line.getDashed());
333 def.putOrClear(DASHES_BACKGROUND_COLOR, p.line.dashedColor);
334 }
335 Float refWidth = def.get(WIDTH, null, Float.class);
336 if (refWidth != null && p.linemods != null) {
337 int numOver = 0, numUnder = 0;
338
339 while (mc.hasLayer(String.format("over_%d", ++numOver)));
340 while (mc.hasLayer(String.format("under_%d", ++numUnder)));
341
342 for (LinemodPrototype mod : p.linemods) {
343 Cascade c;
344 if (mod.over) {
345 String layer = String.format("over_%d", numOver);
346 c = mc.getOrCreateCascade(layer);
347 c.put(OBJECT_Z_INDEX, new Float(numOver));
348 ++numOver;
349 } else {
350 String layer = String.format("under_%d", numUnder);
351 c = mc.getOrCreateCascade(layer);
352 c.put(OBJECT_Z_INDEX, new Float(-numUnder));
353 ++numUnder;
354 }
355 c.put(WIDTH, new Float(mod.getWidth(refWidth)));
356 c.putOrClear(COLOR, mod.color);
357 if (mod.color != null) {
358 int alpha = mod.color.getAlpha();
359 if (alpha != 255) {
360 c.put(OPACITY, Utils.color_int2float(alpha));
361 }
362 }
363 c.putOrClear(DASHES, mod.getDashed());
364 c.putOrClear(DASHES_BACKGROUND_COLOR, mod.dashedColor);
365 }
366 }
367 if (multipolyOuterWay != null) {
368 WayPrototypesRecord p2 = new WayPrototypesRecord();
369 get(multipolyOuterWay, true, p2, (useMinMaxScale ? scale : null), mc);
370 if (Utils.equal(p.area, p2.area)) {
371 p.area = null;
372 }
373 }
374 if (p.area != null) {
375 def.putOrClear(FILL_COLOR, p.area.color);
376 def.putOrClear(TEXT_POSITION, Keyword.CENTER);
377 def.putOrClear(TEXT, Keyword.AUTO);
378 def.remove(FILL_IMAGE);
379 }
380 }
381 }
382}
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