From 8e2005fa2650b142b89799249b07ea72bdbcc906 Mon Sep 17 00:00:00 2001
From: Christopher Baines <cbaines8@gmail.com>
Date: Thu, 1 Mar 2012 18:12:21 +0000
Subject: Fixed route movement, now tested.

---
 src/net/cbaines/suma/BusRoute.java | 38 ++++++++++++++++++--------------------
 1 file changed, 18 insertions(+), 20 deletions(-)

(limited to 'src/net/cbaines')

diff --git a/src/net/cbaines/suma/BusRoute.java b/src/net/cbaines/suma/BusRoute.java
index e57e49c..793cc24 100644
--- a/src/net/cbaines/suma/BusRoute.java
+++ b/src/net/cbaines/suma/BusRoute.java
@@ -65,8 +65,7 @@ public class BusRoute {
 	String label;
 
 	/**
-	 * The direction the bus is travelling if it is moving through the route and
-	 * sequence is increasing.
+	 * The direction the bus is travelling if it is moving through the route and sequence is increasing.
 	 * <ul>
 	 * <li>U1 = A</li>
 	 * <li>U2 = B</li>
@@ -77,8 +76,7 @@ public class BusRoute {
 	String forwardDirection;
 
 	/**
-	 * The direction the bus is travelling if it is moving through the route and
-	 * sequence is decreasing.
+	 * The direction the bus is travelling if it is moving through the route and sequence is decreasing.
 	 * <ul>
 	 * <li>U1 = C</li>
 	 * <li>U2 = C</li>
@@ -94,8 +92,7 @@ public class BusRoute {
 	BusRoute() {
 	}
 
-	public BusRoute(Integer id, String code, String label, String forwardDirection, String reverseDirection,
-			boolean uniLink) {
+	public BusRoute(Integer id, String code, String label, String forwardDirection, String reverseDirection, boolean uniLink) {
 		this.id = id.intValue();
 		this.code = code;
 		this.label = label;
@@ -135,8 +132,8 @@ public class BusRoute {
 	}
 
 	/**
-	 * Return the set of bus stops that can be thought of moveAmount away from
-	 * the busStop. The method returns a set as
+	 * Return the set of bus stops that can be thought of moveAmount away from the busStop. The method returns a set as for some
+	 * movements, the destination stop is ambiguous.
 	 * 
 	 * @param context
 	 * @param busStop
@@ -165,6 +162,7 @@ public class BusRoute {
 			List<RouteStop> routeStopsFound = routeStopsDao.query(routeStopsPreparedQuery);
 			Collections.sort(routeStopsFound);
 
+			// Starting from 1, as the data does :(
 			Set<Integer> stopIndexs = new HashSet<Integer>();
 
 			for (RouteStop routeStop : routeStopsFound) {
@@ -193,18 +191,18 @@ public class BusRoute {
 					busStops.add(busStopWanted);
 				} else {
 					Log.v(TAG, "stopIndex " + stopIndex);
-					int stopWanted = stopIndex + moveAmount;
+					int stopWanted = stopIndex + moveAmount; // This will end up as the sequence number of the wanted stop
 					if (stopWanted < 1) {
-						stopWanted = routeStopsFound.size() - (Math.abs(stopWanted - 1) % routeStopsFound.size());
+						stopWanted = routeStopsFound.size() - (Math.abs(stopWanted) % routeStopsFound.size());
 					}
 					Log.v(TAG, "stopWanted " + stopWanted);
-					busStopDao.refresh(routeStopsFound.get(stopWanted).busStop);
+					BusStop wantedBusStop = routeStopsFound.get(stopWanted - 1).busStop; // Need the -1 as sequence starts at 1
+					busStopDao.refresh(wantedBusStop);
 
-					Log.v(TAG,
-							"Moving backwards " + moveAmount + " stops from " + busStop + " to "
-									+ routeStopsFound.get(stopWanted).busStop + " in route " + this);
+					Log.v(TAG, "Moving backwards " + (-1 * moveAmount) + " stops from " + busStop + " to " + wantedBusStop
+							+ " in route " + this);
 
-					busStops.add(routeStopsFound.get(stopWanted).busStop);
+					busStops.add(wantedBusStop);
 				}
 			}
 
@@ -381,8 +379,9 @@ public class BusRoute {
 			}
 
 			if (moveAmount > 0) {
-				Log.v(TAG, "Moving forward " + moveAmount + " stops from " + busStop + " (" + stopIndex + "/"
-						+ routeStopsFound.size() + ")");
+				Log.v(TAG,
+						"Moving forward " + moveAmount + " stops from " + busStop + " (" + stopIndex + "/"
+								+ routeStopsFound.size() + ")");
 				int stopWanted = stopIndex + moveAmount;
 				if (stopWanted > routeStopsFound.size()) {
 					Log.v(TAG, "Off the end of the route");
@@ -405,9 +404,8 @@ public class BusRoute {
 				Log.v(TAG, "stopWanted " + stopWanted);
 				busStopDao.refresh(routeStopsFound.get(stopWanted).busStop);
 
-				Log.v(TAG,
-						"Moving backwards " + moveAmount + " stops from " + busStop + " to "
-								+ routeStopsFound.get(stopWanted).busStop + " in route " + this);
+				Log.v(TAG, "Moving backwards " + moveAmount + " stops from " + busStop + " to "
+						+ routeStopsFound.get(stopWanted).busStop + " in route " + this);
 
 				return routeStopsFound.get(stopWanted).busStop;
 			}
-- 
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