| 1 | package org.openstreetmap.josm.gui.mappaint;
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| 2 |
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| 3 | import java.util.HashMap;
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| 4 | import java.util.Iterator;
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| 5 |
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| 6 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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| 7 | import org.openstreetmap.josm.data.osm.OsmUtils;
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| 8 |
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| 9 | public class ElemStyles
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| 10 | {
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| 11 | private HashMap<String, ElemStyle> styles;
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| 12 |
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| 13 | public ElemStyles()
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| 14 | {
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| 15 | styles = new HashMap<String, ElemStyle>();
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| 16 | }
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| 17 |
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| 18 | public void add(String k, String v, String b, ElemStyle style)
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| 19 | {
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| 20 | ElemStyle old_style;
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| 21 | String key;
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| 22 |
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| 23 | /* unfortunately, there don't seem to be an efficient way to */
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| 24 | /* find out, if a given OsmPrimitive is an area or not, */
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| 25 | /* so distinguish only between way and node here - for now */
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| 26 | if (style instanceof AreaElemStyle)
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| 27 | key = "w";
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| 28 | else if (style instanceof LineElemStyle)
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| 29 | key = "w";
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| 30 | else if (style instanceof IconElemStyle)
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| 31 | key = "n";
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| 32 | else
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| 33 | key = "";
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| 34 |
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| 35 | if(v != null)
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| 36 | key += "n" + k + "=" + v;
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| 37 | else if(b != null)
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| 38 | key += "b" + k + "=" + OsmUtils.getNamedOsmBoolean(b);
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| 39 | else
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| 40 | key += "x" + k;
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| 41 |
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| 42 | /* avoid duplicates - for now */
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| 43 | old_style = styles.get(key);
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| 44 | if (old_style == null) {
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| 45 | /* new key/value, insert */
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| 46 | styles.put(key, style);
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| 47 | } else {
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| 48 | if (style.getMaxScale() < old_style.getMaxScale()) {
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| 49 | /* existing larger scale key/value, replace */
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| 50 | styles.remove(old_style);
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| 51 | styles.put(key, style);
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| 52 | }
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| 53 | }
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| 54 | }
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| 55 |
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| 56 | public ElemStyle get(OsmPrimitive p, Boolean area)
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| 57 | {
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| 58 | if (p.keys!=null) {
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| 59 | String classname;
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| 60 | String kv = null;
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| 61 |
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| 62 | if (p instanceof org.openstreetmap.josm.data.osm.Node) {
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| 63 | if(area)
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| 64 | return null;
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| 65 | classname = "n";
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| 66 | } else {
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| 67 | classname = "w";
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| 68 | }
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| 69 | Iterator<String> iterator = p.keys.keySet().iterator();
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| 70 | while (iterator.hasNext())
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| 71 | {
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| 72 | String key = iterator.next();
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| 73 | ElemStyle style = null;
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| 74 | kv = classname + "n" + key + "=" + p.keys.get(key);
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| 75 | if (styles.containsKey(kv))
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| 76 | {
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| 77 | style = styles.get(kv);
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| 78 | if(area == style instanceof AreaElemStyle)
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| 79 | return style;
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| 80 | }
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| 81 | kv = classname + "b" + key + "=" + OsmUtils.getNamedOsmBoolean(p.keys.get(key));
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| 82 | if (styles.containsKey(kv))
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| 83 | {
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| 84 | style = styles.get(kv);
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| 85 | if(area == style instanceof AreaElemStyle)
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| 86 | return style;
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| 87 | }
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| 88 | kv = classname + "x" + key;
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| 89 | if (styles.containsKey(kv))
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| 90 | {
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| 91 | style = styles.get(kv);
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| 92 | if(area == style instanceof AreaElemStyle)
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| 93 | return style;
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| 94 | }
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | return null;
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| 99 | }
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| 100 |
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| 101 | public boolean isArea(OsmPrimitive p)
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| 102 | {
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| 103 | return get(p, true) instanceof AreaElemStyle;
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| 104 | }
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| 105 | }
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