JAL-967 JAL-1482 new feature renderer api - needs more design work

[jalview.git] / src / jalview / appletgui / AlignmentPanel.java

diff --git a/src/jalview/appletgui/AlignmentPanel.java b/src/jalview/appletgui/AlignmentPanel.java
index b34a5bb..cd1d20a 100644 (file)
--- a/src/jalview/appletgui/AlignmentPanel.java
+++ b/src/jalview/appletgui/AlignmentPanel.java
@@ -84,7 +84,6 @@ public class AlignmentPanel extends Panel implements AdjustmentListener,
     annotationPanelHolder.add(annotationPanel, BorderLayout.CENTER);
 
     sequenceHolderPanel.add(annotationPanelHolder, BorderLayout.SOUTH);
-
     alabels = new AnnotationLabels(this);
 
     setAnnotationVisible(av.showAnnotation);
@@ -138,19 +137,24 @@ public class AlignmentPanel extends Panel implements AdjustmentListener,
         }
       }
     });
-
   }
 
   public SequenceRenderer getSequenceRenderer()
   {
     return seqPanel.seqCanvas.sr;
   }
-
-  public FeatureRenderer getFeatureRenderer()
+  @Override
+  public jalview.api.FeatureRenderer getFeatureRenderer()
   {
     return seqPanel.seqCanvas.fr;
   }
-
+  @Override
+  public jalview.api.FeatureRenderer cloneFeatureRenderer()
+  {
+    FeatureRenderer nfr = new FeatureRenderer(av);
+    nfr.transferSettings(seqPanel.seqCanvas.fr);
+    return nfr;
+  }
   public void alignmentChanged()
   {
     av.alignmentChanged(this);
@@ -480,12 +484,27 @@ public class AlignmentPanel extends Panel implements AdjustmentListener,
     int mheight = height;
     Dimension d = sequenceHolderPanel.getSize(), e = idPanel.getSize();
     int seqandannot = d.height - scalePanelHolder.getSize().height;
-    // sets initial preferred height
-    if ((height + 40) > seqandannot / 2)
+
+    if (adjustPanelHeight)
     {
-      height = seqandannot / 2;
+      // NOTE: this logic is different in the application. Need a better algorithm to define behaviour
+      // sets initial preferred height
+      // try and set height according to alignment
+      float sscaling = (float) ((av.getCharHeight() * av.getAlignment().getHeight())/(1.0*mheight));
+      if (sscaling > 0.5)
+      {
+        // if the alignment is too big then
+        // default is 0.5 split
+        height = seqandannot / 2;
+      }
+      else
+      {
+        // otherwise just set the panel so that one row of sequence is visible 
+        height = -av.getCharHeight() * 1
+                + (int) (seqandannot * (1 - sscaling));
+      }
     }
-    if (!adjustPanelHeight)
+    else
     {
       // maintain same window layout whilst updating sliders
       height = annotationPanelHolder.getSize().height;