From d4cb909d233ad74cc7fa5e6bb8095d583f08e32b Mon Sep 17 00:00:00 2001
From: Axel Uhl <axel.uhl@sap.com>
Date: Fri, 28 Mar 2025 18:05:49 +0100
Subject: [PATCH] bug6098: when wind ladder image tile has been loaded, call
 redraw() and draw()

---
 .../shared/racemap/windladder/WindLadder.java       |  4 ++--
 .../racemap/windladder/WindLadderOverlay.java       | 13 ++++++++++---
 .../gwt/ui/simulator/racemap/FullCanvasOverlay.java |  2 +-
 3 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/racemap/windladder/WindLadder.java b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/racemap/windladder/WindLadder.java
index 8144f53dce6..62c700fd862 100644
--- a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/racemap/windladder/WindLadder.java
+++ b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/racemap/windladder/WindLadder.java
@@ -41,8 +41,8 @@ public class WindLadder extends DoubleCanvasBuffer<WindLadderOverlay> {
         super();
         this.coordinateSystem = coordinateSystem;
         this.buffer = new WindLadderOverlay[BUFFER_SIZE];
-        this.buffer[0] = new WindLadderOverlay(this, map, zIndex, coordinateSystem);
-        this.buffer[1] = new WindLadderOverlay(this, map, zIndex, coordinateSystem);
+        this.buffer[0] = new WindLadderOverlay(this, map, zIndex, coordinateSystem, "buffer-0");
+        this.buffer[1] = new WindLadderOverlay(this, map, zIndex, coordinateSystem, "buffer-1");
         this.apply(overlay -> overlay.setVisible(false));
         this.setVisible(true);
         this.addToMap();
diff --git a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/racemap/windladder/WindLadderOverlay.java b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/racemap/windladder/WindLadderOverlay.java
index 5a8824b3ebb..29865be9956 100644
--- a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/racemap/windladder/WindLadderOverlay.java
+++ b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/racemap/windladder/WindLadderOverlay.java
@@ -24,7 +24,7 @@ public class WindLadderOverlay extends FullCanvasOverlay {
 
     protected WindLadder windLadder;
 
-    protected ImageTileGenerator tileGen = new ImageTileGenerator(RESOURCES.windLadderTexture(), this::redraw);
+    protected ImageTileGenerator tileGen = new ImageTileGenerator(RESOURCES.windLadderTexture(), ()->{ redraw(); draw(); });
 
     protected Double windBearingRadians;
     protected Position fixPosition;
@@ -36,12 +36,14 @@ public class WindLadderOverlay extends FullCanvasOverlay {
 
     protected boolean redraw = true;
     protected int transitionDisableCountdown;
+    private final String name;
 
-    public WindLadderOverlay(WindLadder windLadder, MapWidget map, int zIndex, CoordinateSystem coordinateSystem) {
+    public WindLadderOverlay(WindLadder windLadder, MapWidget map, int zIndex, CoordinateSystem coordinateSystem, String name) {
         super(map, zIndex, coordinateSystem);
         this.map.addZoomChangeHandler(event -> this.onZoomChange());
         this.windLadder = windLadder;
-        getCanvas().getElement().setId("wind-ladder-display");
+        getCanvas().getElement().setId("wind-ladder-display-"+name);
+        this.name = name;
     }
 
     public boolean update(Double windBearingRadians, Position fixPosition, long timeForPositionTransitionMillis) {
@@ -259,4 +261,9 @@ public class WindLadderOverlay extends FullCanvasOverlay {
         }
         return mapHeight;
     }
+    
+    @Override
+    public String toString() {
+        return super.toString()+" "+name;
+    }
 }
diff --git a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/racemap/FullCanvasOverlay.java b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/racemap/FullCanvasOverlay.java
index edb09b8bb2c..1d9aa3139fd 100644
--- a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/racemap/FullCanvasOverlay.java
+++ b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/racemap/FullCanvasOverlay.java
@@ -66,7 +66,7 @@ public abstract class FullCanvasOverlay extends CanvasOverlayV3 implements Requi
                     mapProjectionSet = true;
                     setCanvasSettings();
                     super.getOnDrawHandler().onDraw(methods);
-                    return false;
+                    return false; // don't repeat
                 }, /* delay */ 1000);
             } else {
                 super.getOnDrawHandler().onDraw(methods);