source: josm/trunk/src/org/openstreetmap/josm/gui/mappaint/xml/XmlStyleSource.java@ 6316

Last change on this file since 6316 was 6316, checked in by Don-vip, 11 years ago

Sonar/FindBugs - Loose coupling
  • Property svn:eol-style set to native
File size: 15.2 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 protected final Map<String, IconPrototype> icons = new HashMap<String, IconPrototype>();
38 protected final Map<String, LinePrototype> lines = new HashMap<String, LinePrototype>();
39 protected final Map<String, LinemodPrototype> modifiers = new HashMap<String, LinemodPrototype>();
40 protected final Map<String, AreaPrototype> areas = new HashMap<String, AreaPrototype>();
41 protected final List<IconPrototype> iconsList = new LinkedList<IconPrototype>();
42 protected final List<LinePrototype> linesList = new LinkedList<LinePrototype>();
43 protected final List<LinemodPrototype> modifiersList = new LinkedList<LinemodPrototype>();
44 protected final List<AreaPrototype> areasList = new LinkedList<AreaPrototype>();
45
46 public XmlStyleSource(String url, String name, String shortdescription) {
47 super(url, name, shortdescription);
48 }
49
50 public XmlStyleSource(SourceEntry entry) {
51 super(entry);
52 }
53
54 @Override
55 protected void init() {
56 super.init();
57 icons.clear();
58 lines.clear();
59 modifiers.clear();
60 areas.clear();
61 iconsList.clear();
62 linesList.clear();
63 modifiersList.clear();
64 areasList.clear();
65 }
66
67 @Override
68 public void loadStyleSource() {
69 init();
70 try {
71 InputStream in = getSourceInputStream();
72 try {
73 InputStreamReader reader = new InputStreamReader(in);
74 XmlObjectParser parser = new XmlObjectParser(new XmlStyleSourceHandler(this));
75 parser.startWithValidation(reader,
76 Main.JOSM_WEBSITE+"/mappaint-style-1.0",
77 "resource://data/mappaint-style.xsd");
78 while (parser.hasNext());
79 } finally {
80 closeSourceInputStream(in);
81 }
82
83 } catch (IOException e) {
84 Main.warn(tr("Failed to load Mappaint styles from ''{0}''. Exception was: {1}", url, e.toString()));
85 e.printStackTrace();
86 logError(e);
87 } catch (SAXParseException e) {
88 Main.warn(tr("Failed to parse Mappaint styles from ''{0}''. Error was: [{1}:{2}] {3}", url, e.getLineNumber(), e.getColumnNumber(), e.getMessage()));
89 e.printStackTrace();
90 logError(e);
91 } catch (SAXException e) {
92 Main.warn(tr("Failed to parse Mappaint styles from ''{0}''. Error was: {1}", url, e.getMessage()));
93 e.printStackTrace();
94 logError(e);
95 }
96 }
97
98 @Override
99 public InputStream getSourceInputStream() throws IOException {
100 MirroredInputStream in = new MirroredInputStream(url);
101 InputStream zip = in.findZipEntryInputStream("xml", "style");
102 if (zip != null) {
103 zipIcons = in.getFile();
104 return zip;
105 } else {
106 zipIcons = null;
107 return in;
108 }
109 }
110
111 private static class WayPrototypesRecord {
112 public LinePrototype line;
113 public List<LinemodPrototype> linemods;
114 public AreaPrototype area;
115 }
116
117 private <T extends Prototype> T update(T current, T candidate, Double scale, MultiCascade mc) {
118 if (requiresUpdate(current, candidate, scale, mc))
119 return candidate;
120 else
121 return current;
122 }
123
124 /**
125 * checks whether a certain match is better than the current match
126 * @param current can be null
127 * @param candidate the new Prototype that could be used instead
128 * @param scale ignored if null, otherwise checks if scale is within the range of candidate
129 * @param mc side effect: update the valid region for the current MultiCascade
130 */
131 private boolean requiresUpdate(Prototype current, Prototype candidate, Double scale, MultiCascade mc) {
132 if (current == null || candidate.priority >= current.priority) {
133 if (scale == null)
134 return true;
135
136 if (candidate.range.contains(scale)) {
137 mc.range = Range.cut(mc.range, candidate.range);
138 return true;
139 } else {
140 mc.range = mc.range.reduceAround(scale, candidate.range);
141 return false;
142 }
143 }
144 return false;
145 }
146
147 private IconPrototype getNode(OsmPrimitive primitive, Double scale, MultiCascade mc) {
148 IconPrototype icon = null;
149 for (String key : primitive.keySet()) {
150 String val = primitive.get(key);
151 IconPrototype p;
152 if ((p = icons.get("n" + key + "=" + val)) != null) {
153 icon = update(icon, p, scale, mc);
154 }
155 if ((p = icons.get("b" + key + "=" + OsmUtils.getNamedOsmBoolean(val))) != null) {
156 icon = update(icon, p, scale, mc);
157 }
158 if ((p = icons.get("x" + key)) != null) {
159 icon = update(icon, p, scale, mc);
160 }
161 }
162 for (IconPrototype s : iconsList) {
163 if (s.check(primitive))
164 {
165 icon = update(icon, s, scale, mc);
166 }
167 }
168 return icon;
169 }
170
171 /**
172 * @param closed The primitive is a closed way or we pretend it is closed.
173 * This is useful for multipolygon relations and outer ways of untagged
174 * multipolygon relations.
175 */
176 private void get(OsmPrimitive primitive, boolean closed, WayPrototypesRecord p, Double scale, MultiCascade mc) {
177 String lineIdx = null;
178 HashMap<String, LinemodPrototype> overlayMap = new HashMap<String, LinemodPrototype>();
179 boolean isNotArea = OsmUtils.isFalse(primitive.get("area"));
180 for (String key : primitive.keySet()) {
181 String val = primitive.get(key);
182 AreaPrototype styleArea;
183 LinePrototype styleLine;
184 LinemodPrototype styleLinemod;
185 String idx = "n" + key + "=" + val;
186 if ((styleArea = areas.get(idx)) != null && (closed || !styleArea.closed) && !isNotArea) {
187 p.area = update(p.area, styleArea, scale, mc);
188 }
189 if ((styleLine = lines.get(idx)) != null) {
190 if (requiresUpdate(p.line, styleLine, scale, mc)) {
191 p.line = styleLine;
192 lineIdx = idx;
193 }
194 }
195 if ((styleLinemod = modifiers.get(idx)) != null) {
196 if (requiresUpdate(null, styleLinemod, scale, mc)) {
197 overlayMap.put(idx, styleLinemod);
198 }
199 }
200 idx = "b" + key + "=" + OsmUtils.getNamedOsmBoolean(val);
201 if ((styleArea = areas.get(idx)) != null && (closed || !styleArea.closed) && !isNotArea) {
202 p.area = update(p.area, styleArea, scale, mc);
203 }
204 if ((styleLine = lines.get(idx)) != null) {
205 if (requiresUpdate(p.line, styleLine, scale, mc)) {
206 p.line = styleLine;
207 lineIdx = idx;
208 }
209 }
210 if ((styleLinemod = modifiers.get(idx)) != null) {
211 if (requiresUpdate(null, styleLinemod, scale, mc)) {
212 overlayMap.put(idx, styleLinemod);
213 }
214 }
215 idx = "x" + key;
216 if ((styleArea = areas.get(idx)) != null && (closed || !styleArea.closed) && !isNotArea) {
217 p.area = update(p.area, styleArea, scale, mc);
218 }
219 if ((styleLine = lines.get(idx)) != null) {
220 if (requiresUpdate(p.line, styleLine, scale, mc)) {
221 p.line = styleLine;
222 lineIdx = idx;
223 }
224 }
225 if ((styleLinemod = modifiers.get(idx)) != null) {
226 if (requiresUpdate(null, styleLinemod, scale, mc)) {
227 overlayMap.put(idx, styleLinemod);
228 }
229 }
230 }
231 for (AreaPrototype s : areasList) {
232 if ((closed || !s.closed) && !isNotArea && s.check(primitive)) {
233 p.area = update(p.area, s, scale, mc);
234 }
235 }
236 for (LinePrototype s : linesList) {
237 if (s.check(primitive)) {
238 p.line = update(p.line, s, scale, mc);
239 }
240 }
241 for (LinemodPrototype s : modifiersList) {
242 if (s.check(primitive)) {
243 if (requiresUpdate(null, s, scale, mc)) {
244 overlayMap.put(s.getCode(), s);
245 }
246 }
247 }
248 overlayMap.remove(lineIdx); // do not use overlay if linestyle is from the same rule (example: railway=tram)
249 if (!overlayMap.isEmpty()) {
250 List<LinemodPrototype> tmp = new LinkedList<LinemodPrototype>();
251 if (p.linemods != null) {
252 tmp.addAll(p.linemods);
253 }
254 tmp.addAll(overlayMap.values());
255 Collections.sort(tmp);
256 p.linemods = tmp;
257 }
258 }
259
260 public void add(XmlCondition c, Collection<XmlCondition> conditions, Prototype prot) {
261 if(conditions != null)
262 {
263 prot.conditions = conditions;
264 if (prot instanceof IconPrototype) {
265 iconsList.add((IconPrototype) prot);
266 } else if (prot instanceof LinemodPrototype) {
267 modifiersList.add((LinemodPrototype) prot);
268 } else if (prot instanceof LinePrototype) {
269 linesList.add((LinePrototype) prot);
270 } else if (prot instanceof AreaPrototype) {
271 areasList.add((AreaPrototype) prot);
272 } else
273 throw new RuntimeException();
274 }
275 else {
276 String key = c.getKey();
277 prot.code = key;
278 if (prot instanceof IconPrototype) {
279 icons.put(key, (IconPrototype) prot);
280 } else if (prot instanceof LinemodPrototype) {
281 modifiers.put(key, (LinemodPrototype) prot);
282 } else if (prot instanceof LinePrototype) {
283 lines.put(key, (LinePrototype) prot);
284 } else if (prot instanceof AreaPrototype) {
285 areas.put(key, (AreaPrototype) prot);
286 } else
287 throw new RuntimeException();
288 }
289 }
290
291 @Override
292 public void apply(MultiCascade mc, OsmPrimitive osm, double scale, OsmPrimitive multipolyOuterWay, boolean pretendWayIsClosed) {
293 Cascade def = mc.getOrCreateCascade("default");
294 boolean useMinMaxScale = Main.pref.getBoolean("mappaint.zoomLevelDisplay", false);
295
296 if (osm instanceof Node || (osm instanceof Relation && "restriction".equals(osm.get("type")))) {
297 IconPrototype icon = getNode(osm, (useMinMaxScale ? scale : null), mc);
298 if (icon != null) {
299 def.put(ICON_IMAGE, icon.icon);
300 if (osm instanceof Node) {
301 if (icon.annotate != null) {
302 if (icon.annotate) {
303 def.put(TEXT, Keyword.AUTO);
304 } else {
305 def.remove(TEXT);
306 }
307 }
308 }
309 }
310 } else if (osm instanceof Way || (osm instanceof Relation && ((Relation)osm).isMultipolygon())) {
311 WayPrototypesRecord p = new WayPrototypesRecord();
312 get(osm, pretendWayIsClosed || !(osm instanceof Way) || ((Way) osm).isClosed(), p, (useMinMaxScale ? scale : null), mc);
313 if (p.line != null) {
314 def.put(WIDTH, new Float(p.line.getWidth()));
315 def.putOrClear(REAL_WIDTH, p.line.realWidth != null ? new Float(p.line.realWidth) : null);
316 def.putOrClear(COLOR, p.line.color);
317 if (p.line.color != null) {
318 int alpha = p.line.color.getAlpha();
319 if (alpha != 255) {
320 def.put(OPACITY, Utils.color_int2float(alpha));
321 }
322 }
323 def.putOrClear(DASHES, p.line.getDashed());
324 def.putOrClear(DASHES_BACKGROUND_COLOR, p.line.dashedColor);
325 }
326 Float refWidth = def.get(WIDTH, null, Float.class);
327 if (refWidth != null && p.linemods != null) {
328 int numOver = 0, numUnder = 0;
329
330 while (mc.hasLayer(String.format("over_%d", ++numOver)));
331 while (mc.hasLayer(String.format("under_%d", ++numUnder)));
332
333 for (LinemodPrototype mod : p.linemods) {
334 Cascade c;
335 if (mod.over) {
336 String layer = String.format("over_%d", numOver);
337 c = mc.getOrCreateCascade(layer);
338 c.put(OBJECT_Z_INDEX, new Float(numOver));
339 ++numOver;
340 } else {
341 String layer = String.format("under_%d", numUnder);
342 c = mc.getOrCreateCascade(layer);
343 c.put(OBJECT_Z_INDEX, new Float(-numUnder));
344 ++numUnder;
345 }
346 c.put(WIDTH, new Float(mod.getWidth(refWidth)));
347 c.putOrClear(COLOR, mod.color);
348 if (mod.color != null) {
349 int alpha = mod.color.getAlpha();
350 if (alpha != 255) {
351 c.put(OPACITY, Utils.color_int2float(alpha));
352 }
353 }
354 c.putOrClear(DASHES, mod.getDashed());
355 c.putOrClear(DASHES_BACKGROUND_COLOR, mod.dashedColor);
356 }
357 }
358 if (multipolyOuterWay != null) {
359 WayPrototypesRecord p2 = new WayPrototypesRecord();
360 get(multipolyOuterWay, true, p2, (useMinMaxScale ? scale : null), mc);
361 if (Utils.equal(p.area, p2.area)) {
362 p.area = null;
363 }
364 }
365 if (p.area != null) {
366 def.putOrClear(FILL_COLOR, p.area.color);
367 def.putOrClear(TEXT_POSITION, Keyword.CENTER);
368 def.putOrClear(TEXT, Keyword.AUTO);
369 def.remove(FILL_IMAGE);
370 }
371 }
372 }
373
374}
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