JAL-2778 tightened up use of resetAlignmentDims

[jalview.git] / src / jalview / viewmodel / OverviewDimensionsShowHidden.java

diff --git a/src/jalview/viewmodel/OverviewDimensionsShowHidden.java b/src/jalview/viewmodel/OverviewDimensionsShowHidden.java
index ec2efa2..eaa3413 100644 (file)
--- a/src/jalview/viewmodel/OverviewDimensionsShowHidden.java
+++ b/src/jalview/viewmodel/OverviewDimensionsShowHidden.java
@@ -72,6 +72,8 @@ public class OverviewDimensionsShowHidden extends OverviewDimensions
   public void updateViewportFromMouse(int mousex, int mousey,
           HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
   {
+    resetAlignmentDims();
+
     // convert mousex and mousey to alignment units as well as
     // translating to top left corner of viewport - this is an absolute position
     int xAsRes = getLeftXFromCentreX(mousex, hiddenCols);
@@ -93,6 +95,8 @@ public class OverviewDimensionsShowHidden extends OverviewDimensions
   public void adjustViewportFromMouse(int mousex, int mousey,
           HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
   {
+    resetAlignmentDims();
+
     // calculate translation in pixel terms:
     // get mouse location in viewport coords, add translation in viewport
     // coords,
@@ -107,13 +111,16 @@ public class OverviewDimensionsShowHidden extends OverviewDimensions
     updateViewportFromTopLeft(visXAsRes, visYAsRes, hiddenSeqs, hiddenCols);
   }
 
+  /**
+   * {@inheritDoc} Callers should have already called resetAlignmentDims to
+   * refresh alwidth, alheight and width/height ratios
+   */
   @Override
   protected void updateViewportFromTopLeft(int leftx, int topy,
           HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
   {
     int visXAsRes = leftx;
     int visYAsSeq = topy;
-    resetAlignmentDims();
 
     if (visXAsRes < 0)
     {
@@ -230,6 +237,11 @@ public class OverviewDimensionsShowHidden extends OverviewDimensions
     heightRatio = (float) alheight / sequencesHeight;
   }
 
+
+  /**
+   * {@inheritDoc} Callers should have already called resetAlignmentDims to
+   * refresh widthRatio
+   */
   @Override
   protected int getLeftXFromCentreX(int mousex, HiddenColumns hidden)
   {
@@ -238,6 +250,10 @@ public class OverviewDimensionsShowHidden extends OverviewDimensions
             vpx);
   }
 
+  /**
+   * {@inheritDoc} Callers should have already called resetAlignmentDims to
+   * refresh heightRatio
+   */
   @Override
   protected int getTopYFromCentreY(int mousey, HiddenSequences hidden)
   {
@@ -249,6 +265,8 @@ public class OverviewDimensionsShowHidden extends OverviewDimensions
   public void setDragPoint(int x, int y, HiddenSequences hiddenSeqs,
           HiddenColumns hiddenCols)
   {
+    resetAlignmentDims();
+
     // get alignment position of x and box (can get directly from vpranges) and
     // calculate difference between the positions
     int vpx = Math.round(x * widthRatio);