X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fgui%2Fcolour%2FColourerCaretaker.java;fp=src%2Ftim%2Fprune%2Fgui%2Fcolour%2FColourerCaretaker.java;h=84f1553c4cf7e0e1e6abadef2a9d232b4264d28b;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/gui/colour/ColourerCaretaker.java b/src/tim/prune/gui/colour/ColourerCaretaker.java
new file mode 100644
index 0000000..84f1553
--- /dev/null
+++ b/src/tim/prune/gui/colour/ColourerCaretaker.java
@@ -0,0 +1,58 @@
+package tim.prune.gui.colour;
+
+import tim.prune.App;
+import tim.prune.DataSubscriber;
+
+/**
+ * Caretaker of the current PointColourer, responsible for listening
+ * to data changes and updating the colourer
+ */
+public class ColourerCaretaker implements DataSubscriber
+{
+	/** App object for getting the track */
+	private App _app = null;
+	/** PointColourer object for passing details to */
+	private PointColourer _colourer = null;
+
+	/**
+	 * Constructor
+	 * @param inApp app object to use
+	 */
+	public ColourerCaretaker(App inApp)
+	{
+		_app = inApp;
+	}
+
+	/**
+	 * @param inColourer current colourer object
+	 */
+	public void setColourer(PointColourer inColourer)
+	{
+		_colourer = inColourer;
+		dataUpdated(ALL);
+	}
+
+	/**
+	 * @return point colourer, or null
+	 */
+	public PointColourer getColourer()
+	{
+		return _colourer;
+	}
+
+	/**
+	 * Data has been updated
+	 */
+	public void dataUpdated(byte inUpdateType)
+	{
+		if ((inUpdateType &
+			(DataSubscriber.DATA_ADDED_OR_REMOVED | DataSubscriber.DATA_EDITED | DataSubscriber.UNITS_CHANGED)) > 0
+			&& _colourer != null)
+		{
+			_colourer.calculateColours(_app.getTrackInfo());
+		}
+	}
+
+	/** Don't care about status */
+	public void actionCompleted(String inMessage) {}
+}