Changeset 7 in josm for src/org/openstreetmap/josm/data/osm/Track.java

Timestamp:

2005-10-02T20:32:00+02:00 (19 years ago)

Author:

imi

Message:

added mapmodes for adding and combining stuff. Reorganized images

File:

• src/org/openstreetmap/josm/data/osm/Track.java (modified) (2 diffs)

src/org/openstreetmap/josm/data/osm/Track.java

@@ -2 +2 @@
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 
@@ -14 +15 @@
          * All track segments in this track
          */
-        public List<LineSegment> segments = new ArrayList<LineSegment>();
+        public final List<LineSegment> segments = new ArrayList<LineSegment>();
+
+        /**
+         * Return a merge of getAllNodes - calls to the line segments.
+         */
+        @Override
+        public Collection<Node> getAllNodes() {
+                ArrayList<Node> nodes = new ArrayList<Node>();
+                for (LineSegment ls : segments)
+                        nodes.addAll(ls.getAllNodes());
+                return nodes;
+        }
+
+        /**
+         * Tracks are equal, when all segments and the keys are equal
+         */
+        @Override
+        public boolean equals(Object obj) {
+                if (!(obj instanceof Track))
+                        return false;
+                if (!super.equals(obj))
+                        return false;
+                Track t = (Track)obj;
+                int size = segments.size();
+                if (size != t.segments.size())
+                        return false;
+                for (int i = 0; i < size; ++i)
+                        if (!segments.get(i).equals(t.segments.get(i)))
+                                return false;
+                return true;
+        }
+
+        @Override
+        public int hashCode() {
+                int hash = super.hashCode();
+                for (LineSegment ls : segments)
+                        hash += ls.hashCode();
+                return hash;
+        }
+
+        /**
+         * Return the last node in the track. This is the node, which no line segment
+         * has as start, but at least one has it as end. If there are not exact one
+         * such nodes found, <code>null</code> is returned.
+         *
+         * TODO Currently does return just the end node in the list.
+         *
+         * @return The ending node, if there is one.
+         */
+        public Node getEndingNode() {
+                if (segments.isEmpty())
+                        return null;
+                return segments.get(segments.size()-1).end;
+        }
+
+        /**
+         * Return the first node in the track. This is the node, which no line segment
+         * has as end, but at least one as starting node. If there are not exact one
+         * such nodes found, <code>null</code> is returned.
+         * 
+         * TODO Currently does return just the first node in the list.
+         * 
+         * @return The starting node, if there is one.
+         */
+        public Node getStartingNode() {
+                if (segments.isEmpty())
+                        return null;
+                return segments.get(0).start;
+        }
 }