altosuilib: Disable graph element notifies for each add()

This reduces the number of notify calls made and dramatically speeds
up graph creation.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/altosuilib/AltosUIGraph.java b/altosuilib/AltosUIGraph.java
index 5c589c02..5f3a2eef 100644
--- a/altosuilib/AltosUIGraph.java
+++ b/altosuilib/AltosUIGraph.java
@@ -91,13 +91,19 @@ public class AltosUIGraph implements AltosUnitsListener {
 	}
 
 	public void resetData() {
-		for (AltosUIGrapher g : graphers)
+		for (AltosUIGrapher g : graphers) {
 			g.clear();
+			g.setNotify(false);
+		}
 		if (dataSet != null) {
 			for (AltosUIDataPoint dataPoint : dataSet.dataPoints())
 				for (AltosUIGrapher g : graphers)
 					g.add(dataPoint);
 		}
+		for (AltosUIGrapher g : graphers) {
+			g.setNotify(true);
+			g.fireSeriesChanged();
+		}
 	}
 
 	public void units_changed(boolean imperial_units) {