Clarify zoom in instructions for whole genome view. Fixes #1539

igvteam · Aug 14, 2024 · b730c8a · b730c8a
1 parent 71e111a
commit b730c8a
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Showing 4 changed files with 14 additions and 10 deletions.
diff --git a/src/main/java/org/broad/igv/sam/AlignmentTrack.java b/src/main/java/org/broad/igv/sam/AlignmentTrack.java
@@ -543,7 +543,11 @@ public void render(RenderContext context, Rectangle rect) {
         if (viewWindowSize > getVisibilityWindow()) {
             Rectangle visibleRect = context.getVisibleRect().intersection(rect);
             Graphics2D g2 = context.getGraphic2DForColor(Color.gray);
-            GraphicUtils.drawCenteredText("Zoom in to see alignments.", visibleRect, g2);
+            String message = context.getReferenceFrame().getChrName().equals(Globals.CHR_ALL) ?
+                    "Select a chromosome and zoom in to see alignments." :
+                    "Zoom in to see alignments.";
+
+            GraphicUtils.drawCenteredText(message, visibleRect, g2);
             return;
         }
 

diff --git a/src/main/java/org/broad/igv/sam/CoverageTrack.java b/src/main/java/org/broad/igv/sam/CoverageTrack.java
@@ -224,7 +224,10 @@ public void render(RenderContext context, Rectangle rect) {
         if (viewWindowSize > getVisibilityWindow() && dataSource == null) {
             Rectangle visibleRect = context.getVisibleRect().intersection(rect);
             Graphics2D g = context.getGraphic2DForColor(Color.gray);
-            GraphicUtils.drawCenteredText("Zoom in to see coverage.", visibleRect, g);
+            String message = context.getReferenceFrame().getChrName().equals(Globals.CHR_ALL) ?
+                    "Select a chromosome and zoom in to see coverage." :
+                    "Zoom in to see coverage.";
+            GraphicUtils.drawCenteredText(message, visibleRect, g);
             return;
         }
 

diff --git a/src/main/java/org/broad/igv/sam/SpliceJunctionTrack.java b/src/main/java/org/broad/igv/sam/SpliceJunctionTrack.java
@@ -123,8 +123,10 @@ public void render(RenderContext context, Rectangle rect) {
         if (!isShowFeatures(context.getReferenceFrame())) {
             Rectangle visibleRect = context.getVisibleRect().intersection(rect);
             Graphics2D g = context.getGraphic2DForColor(Color.gray);
-            GraphicUtils.drawCenteredText("Zoom in to see features.", visibleRect, g);
-            return;
+            String message = context.getReferenceFrame().getChrName().equals(Globals.CHR_ALL) ?
+                    "Select a chromosome and zoom in to see features." :
+                    "Zoom in to see features.";
+            GraphicUtils.drawCenteredText(message, visibleRect, g);
         } else {
             super.render(context, rect);
         }
@@ -207,11 +209,6 @@ public float getRegionScore(String chr, int start, int end, int zoom, RegionScor
         return 0;
     }
 
-    @Override
-    protected String getZoomInMessage(String chr) {
-        return "Zoom in to see junctions.";
-    }
-
     @Override
     protected void renderFeatures(RenderContext context, Rectangle inputRect) {
 

diff --git a/src/main/java/org/broad/igv/track/FeatureTrack.java b/src/main/java/org/broad/igv/track/FeatureTrack.java
@@ -820,7 +820,7 @@ protected void renderCoverage(RenderContext context, Rectangle inputRect) {
     }
 
     protected String getZoomInMessage(String chr) {
-        return chr.equals(Globals.CHR_ALL) ? "Zoom in to see features." :
+        return chr.equals(Globals.CHR_ALL) ? "Select a chromosome and zoom in to see features." :
                 "Zoom in to see features, or right-click to increase Feature Visibility Window.";
     }