Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / gui / WaypointNameMatcher.java

diff --git a/src/tim/prune/gui/WaypointNameMatcher.java b/src/tim/prune/gui/WaypointNameMatcher.java
new file mode 100644 (file)
index 0000000..83a10bb
--- /dev/null
+++ b/src/tim/prune/gui/WaypointNameMatcher.java
@@ -0,0 +1,98 @@
+package tim.prune.gui;
+
+import java.util.ArrayList;
+import javax.swing.AbstractListModel;
+
+import tim.prune.data.DataPoint;
+import tim.prune.data.Track;
+
+/**
+ * Class to deal with the matching of waypoint names
+ * and the representation in a list
+ */
+public class WaypointNameMatcher extends AbstractListModel<String>
+{
+       private ArrayList<DataPoint> _waypoints = null;
+       private int _numPoints = 0;
+       private String[] _waypointNames = null;
+       private ArrayList<DataPoint> _matches = null;
+
+
+       /**
+        * Initialisation giving Track object
+        * @param inTrack Track object
+        */
+       public void init(Track inTrack)
+       {
+               // Get list of waypoints from track
+               _waypoints = new ArrayList<DataPoint>();
+               inTrack.getWaypoints(_waypoints);
+               // Initialise match flags and waypoint names
+               _numPoints = _waypoints.size();
+               _waypointNames = new String[_numPoints];
+               for (int i=0; i<_numPoints; i++) {
+                       _waypointNames[i] = _waypoints.get(i).getWaypointName().toLowerCase();
+               }
+               _matches = new ArrayList<DataPoint>();
+               findMatches(null);
+       }
+
+       /**
+        * Search for the given term and collect the matches
+        * @param inSearch string to search for
+        */
+       public void findMatches(String inSearch)
+       {
+               // Reset array
+               _matches.clear();
+               // Convert search to lower case to match name array
+               String search = null;
+               if (inSearch != null && !inSearch.equals("")) {
+                       search = inSearch.toLowerCase();
+               }
+               // Loop through waypoint names
+               for (int i=0; i<_numPoints; i++)
+               {
+                       if (search == null || _waypointNames[i].indexOf(search) >= 0)
+                       {
+                               _matches.add(_waypoints.get(i));
+                       }
+               }
+               fireChanged();
+       }
+
+       /**
+        * @see javax.swing.ListModel#getSize()
+        */
+       public int getSize()
+       {
+               if (_numPoints == 0) return 0;
+               return _matches.size();
+       }
+
+       /**
+        * @see javax.swing.ListModel#getElementAt(int)
+        */
+       public String getElementAt(int inIndex)
+       {
+               return _matches.get(inIndex).getWaypointName();
+       }
+
+       /**
+        * Get the waypoint at the given index
+        * @param inIndex index number, starting at 0
+        * @return DataPoint object
+        */
+       public DataPoint getWaypoint(int inIndex)
+       {
+               return _matches.get(inIndex);
+       }
+
+       /**
+        * Fire event to notify that contents have changed
+        */
+       public void fireChanged()
+       {
+               this.fireContentsChanged(this, 0, getSize()-1);
+       }
+}