source: josm/trunk/src/org/openstreetmap/josm/gui/mappaint/ElemStyles.java@ 987

Last change on this file since 987 was 987, checked in by stoecker, 16 years ago

added internal support for multiple styles
  • Property svn:eol-style set to native
File size: 5.2 KB
Line 
1package org.openstreetmap.josm.gui.mappaint;
2
3import java.util.Collections;
4import java.util.HashMap;
5import java.util.LinkedList;
6import java.util.List;
7import java.util.Iterator;
8
9import org.openstreetmap.josm.data.osm.Node;
10import org.openstreetmap.josm.data.osm.OsmPrimitive;
11import org.openstreetmap.josm.data.osm.OsmUtils;
12import org.openstreetmap.josm.data.osm.Way;
13import org.openstreetmap.josm.Main;
14
15public class ElemStyles
16{
17 private class StyleSet {
18 HashMap<String, IconElemStyle> icons;
19 HashMap<String, LineElemStyle> lines;
20 HashMap<String, AreaElemStyle> areas;
21 HashMap<String, LineElemStyle> modifiers;
22 public StyleSet()
23 {
24 icons = new HashMap<String, IconElemStyle>();
25 lines = new HashMap<String, LineElemStyle>();
26 modifiers = new HashMap<String, LineElemStyle>();
27 areas = new HashMap<String, AreaElemStyle>();
28 }
29 }
30 HashMap<String, StyleSet> styleSet;
31
32 public ElemStyles()
33 {
34 styleSet = new HashMap<String, StyleSet>();
35 }
36
37 private String getKey(String k, String v, String b)
38 {
39 if(v != null)
40 return "n" + k + "=" + v;
41 else if(b != null)
42 return "b" + k + "=" + OsmUtils.getNamedOsmBoolean(b);
43 else
44 return "x" + k;
45 }
46
47 public void add(String name, String k, String v, String b, LineElemStyle style)
48 {
49 getStyleSet(name, true).lines.put(getKey(k,v,b), style);
50 }
51
52 public void addModifier(String name, String k, String v, String b, LineElemStyle style)
53 {
54 getStyleSet(name, true).modifiers.put(getKey(k,v,b), style);
55 }
56
57 public void add(String name, String k, String v, String b, AreaElemStyle style)
58 {
59 getStyleSet(name, true).areas.put(getKey(k,v,b), style);
60 }
61
62 public void add(String name, String k, String v, String b, IconElemStyle style)
63 {
64 getStyleSet(name, true).icons.put(getKey(k,v,b), style);
65 }
66
67 private StyleSet getStyleSet(String name, boolean create)
68 {
69 if(name == null)
70 name = Main.pref.get("mappaint.style", "standard");
71 StyleSet s = styleSet.get(name);
72 if(create && s == null)
73 {
74 s = new StyleSet();
75 styleSet.put(name, s);
76 }
77 return s;
78 }
79
80 public IconElemStyle get(Node n)
81 {
82 StyleSet ss = getStyleSet(null, false);
83 IconElemStyle ret = null;
84 if(ss != null && n.keys != null)
85 {
86 Iterator<String> iterator = n.keys.keySet().iterator();
87 while(iterator.hasNext())
88 {
89 String key = iterator.next();
90 String val = n.keys.get(key);
91 IconElemStyle style;
92 if((style = ss.icons.get("n" + key + "=" + val)) != null)
93 {
94 if(ret == null || style.priority > ret.priority)
95 ret = style;
96 }
97 if((style = ss.icons.get("b" + key + "=" + OsmUtils.getNamedOsmBoolean(val))) != null)
98 {
99 if(ret == null || style.priority > ret.priority)
100 ret = style;
101 }
102 if((style = ss.icons.get("x" + key)) != null)
103 {
104 if(ret == null || style.priority > ret.priority)
105 ret = style;
106 }
107 }
108 }
109 return ret;
110 }
111
112 public ElemStyle get(Way w)
113 {
114 StyleSet ss = getStyleSet(null, false);
115 if(ss == null || w.keys == null)
116 return null;
117 AreaElemStyle retArea = null;
118 LineElemStyle retLine = null;
119 List<LineElemStyle> over = new LinkedList<LineElemStyle>();
120 Iterator<String> iterator = w.keys.keySet().iterator();
121 while(iterator.hasNext())
122 {
123 String key = iterator.next();
124 String val = w.keys.get(key);
125 AreaElemStyle styleArea;
126 LineElemStyle styleLine;
127 String idx = "n" + key + "=" + val;
128 if((styleArea = ss.areas.get(idx)) != null && (retArea == null || styleArea.priority > retArea.priority))
129 retArea = styleArea;
130 if((styleLine = ss.lines.get(idx)) != null && (retLine == null || styleLine.priority > retLine.priority))
131 retLine = styleLine;
132 if((styleLine = ss.modifiers.get(idx)) != null)
133 over.add(styleLine);
134 idx = "b" + key + "=" + OsmUtils.getNamedOsmBoolean(val);
135 if((styleArea = ss.areas.get(idx)) != null && (retArea == null || styleArea.priority > retArea.priority))
136 retArea = styleArea;
137 if((styleLine = ss.lines.get(idx)) != null && (retLine == null || styleLine.priority > retLine.priority))
138 retLine = styleLine;
139 if((styleLine = ss.modifiers.get(idx)) != null)
140 over.add(styleLine);
141 idx = "x" + key;
142 if((styleArea = ss.areas.get(idx)) != null && (retArea == null || styleArea.priority > retArea.priority))
143 retArea = styleArea;
144 if((styleLine = ss.lines.get(idx)) != null && (retLine == null || styleLine.priority > retLine.priority))
145 retLine = styleLine;
146 if((styleLine = ss.modifiers.get(idx)) != null)
147 over.add(styleLine);
148 }
149 if(over.size() != 0 && retLine != null)
150 {
151 Collections.sort(over);
152 retLine = new LineElemStyle(retLine, over);
153 }
154 if(retArea != null)
155 {
156 if(retLine != null)
157 return new AreaElemStyle(retArea, retLine);
158 else
159 return retArea;
160 }
161 return retLine;
162 }
163
164 public boolean isArea(Way w)
165 {
166 StyleSet ss = getStyleSet(null, false);
167 if(ss != null && w.keys != null)
168 {
169 Iterator<String> iterator = w.keys.keySet().iterator();
170 while(iterator.hasNext())
171 {
172 String key = iterator.next();
173 String val = w.keys.get(key);
174 if(ss.areas.containsKey("n" + key + "=" + val)
175 || ss.areas.containsKey("n" + key + "=" + OsmUtils.getNamedOsmBoolean(val))
176 || ss.areas.containsKey("x" + key))
177 return true;
178 }
179 }
180 return false;
181 }
182 public boolean hasAreas()
183 {
184 StyleSet ss = getStyleSet(null, false);
185 return ss != null && ss.areas.size() > 0;
186 }
187}
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