From 22e911b80b2407080b678d04dc220cee8cfe3bf1 Mon Sep 17 00:00:00 2001
From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Wed, 19 Sep 2018 14:59:44 +0100
Subject: [PATCH] JAL-3120 preserve plain colour value when changing to Colour
 by Label

---
 src/jalview/gui/FeatureTypeSettings.java |   60 +++++++++++++-----------------
 1 file changed, 26 insertions(+), 34 deletions(-)

diff --git a/src/jalview/gui/FeatureTypeSettings.java b/src/jalview/gui/FeatureTypeSettings.java
index c572798..55bc519 100644
--- a/src/jalview/gui/FeatureTypeSettings.java
+++ b/src/jalview/gui/FeatureTypeSettings.java
@@ -214,28 +214,14 @@ public class FeatureTypeSettings extends JalviewDialog
    */
   public FeatureTypeSettings(FeatureRenderer frender, String theType)
   {
-    this(frender, false, theType);
-  }
-
-  /**
-   * Constructor, with option to make a blocking dialog (has to complete in the
-   * AWT event queue thread). Currently this option is always set to false.
-   * 
-   * @param frender
-   * @param blocking
-   * @param theType
-   */
-  FeatureTypeSettings(FeatureRenderer frender, boolean blocking,
-          String theType)
-  {
     this.fr = frender;
     this.featureType = theType;
     ap = fr.ap;
     originalFilter = fr.getFeatureFilter(theType);
     originalColour = fr.getFeatureColours().get(theType);
-
+    
     adjusting = true;
-
+    
     try
     {
       initialise();
@@ -244,20 +230,20 @@ public class FeatureTypeSettings extends JalviewDialog
       ex.printStackTrace();
       return;
     }
-
+    
     updateColoursTab();
-
+    
     updateFiltersTab();
-
+    
     adjusting = false;
-
+    
     colourChanged(false);
-
+    
     String title = MessageManager
             .formatMessage("label.display_settings_for", new String[]
             { theType });
-    initDialogFrame(this, true, blocking, title, 500, 500);
-
+    initDialogFrame(this, true, false, title, 500, 500);
+    
     waitForInput();
   }
 
@@ -280,9 +266,9 @@ public class FeatureTypeSettings extends JalviewDialog
        */
       if (fc.isSimpleColour())
       {
-        simpleColour.setSelected(true);
         singleColour.setBackground(fc.getColour());
         singleColour.setForeground(fc.getColour());
+        simpleColour.setSelected(true);
       }
 
       /*
@@ -577,12 +563,11 @@ public class FeatureTypeSettings extends JalviewDialog
     maxColour.setBorder(new LineBorder(Color.black));
 
     /*
-     * default max colour to current colour (if a plain colour),
-     * or to Black if colour by label;  make min colour a pale
-     * version of max colour
+     * default max colour to last plain colour;
+     * make min colour a pale version of max colour
      */
     FeatureColourI fc = fr.getFeatureColours().get(featureType);
-    Color bg = fc.isSimpleColour() ? fc.getColour() : Color.BLACK;
+    Color bg = fc.getColour() == null ? Color.BLACK : fc.getColour();
     maxColour.setBackground(bg);
     minColour.setBackground(ColorUtils.bleachColour(bg, 0.9f));
 
@@ -742,8 +727,6 @@ public class FeatureTypeSettings extends JalviewDialog
      */
     JPanel simpleColourPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
     simpleColourPanel.setBackground(Color.white);
-//    JvSwingUtils.createTitledBorder(simpleColourPanel,
-//            MessageManager.getString("label.simple"), true);
     colourByPanel.add(simpleColourPanel);
 
     simpleColour = new JRadioButton(
@@ -756,15 +739,24 @@ public class FeatureTypeSettings extends JalviewDialog
       {
         if (simpleColour.isSelected() && !adjusting)
         {
-          showColourChooser(singleColour, "label.select_colour");
+          colourChanged(true);
         }
       }
-
     });
 
     singleColour.setFont(JvSwingUtils.getLabelFont());
     singleColour.setBorder(BorderFactory.createLineBorder(Color.black));
     singleColour.setPreferredSize(new Dimension(40, 20));
+    if (originalColour.isGraduatedColour())
+    {
+      singleColour.setBackground(originalColour.getMaxColour());
+      singleColour.setForeground(originalColour.getMaxColour());
+    }
+    else
+    {
+      singleColour.setBackground(originalColour.getColour());
+      singleColour.setForeground(originalColour.getColour());
+    }
     singleColour.addMouseListener(new MouseAdapter()
     {
       @Override
@@ -901,8 +893,8 @@ public class FeatureTypeSettings extends JalviewDialog
      */
     if (byCategory.isSelected())
     {
-      Color c = this.getBackground();
-      FeatureColourI fc = new FeatureColour(c, c, null, 0f, 0f);
+      Color c = singleColour.getBackground();
+      FeatureColourI fc = new FeatureColour(c);
       fc.setColourByLabel(true);
       String byWhat = (String) colourByTextCombo.getSelectedItem();
       if (!LABEL_18N.equals(byWhat))
-- 
1.7.10.2