Merge branch 'features/JAL-2371collectionColourScheme' into develop

[jalview.git] / src / jalview / gui / UserDefinedColours.java

diff --git a/src/jalview/gui/UserDefinedColours.java b/src/jalview/gui/UserDefinedColours.java
index 7a5c1f1..e1a43d9 100755 (executable)
--- a/src/jalview/gui/UserDefinedColours.java
+++ b/src/jalview/gui/UserDefinedColours.java
@@ -256,33 +256,34 @@ public class UserDefinedColours extends GUserDefinedColours implements
   }
 
   /**
-   * DOCUMENT ME!
+   * ChangeListener handler for when a colour is picked in the colour chooser.
+   * The action is to apply the colour to all selected buttons as their
+   * background colour. Foreground colour (text) is set to a lighter shade in
+   * order to highlight which buttons are selected. If 'Lower Case Colour' is
+   * active, then the colour is applied to all lower case buttons (as well as
+   * the Lower Case Colour button itself).
    * 
    * @param evt
-   *          DOCUMENT ME!
    */
   @Override
   public void stateChanged(ChangeEvent evt)
   {
-    if (selectedButtons != null)
+    JButton button = null;
+    final Color newColour = colorChooser.getColor();
+    for (int i = 0; i < selectedButtons.size(); i++)
     {
-      JButton button = null;
-      final Color newColour = colorChooser.getColor();
-      for (int i = 0; i < selectedButtons.size(); i++)
+      button = selectedButtons.get(i);
+      button.setBackground(newColour);
+      button.setForeground(ColorUtils.brighterThan(newColour));
+    }
+    if (button == lcaseColour)
+    {
+      button.setForeground(Color.black);
+      for (int i = 0; i < lowerCaseButtons.size(); i++)
       {
-        button = selectedButtons.get(i);
+        button = lowerCaseButtons.get(i);
         button.setBackground(newColour);
-        button.setForeground(ColorUtils.brighterThan(newColour));
-      }
-      if (button == lcaseColour)
-      {
-        for (int i = 0; i < lowerCaseButtons.size(); i++)
-        {
-          button = lowerCaseButtons.get(i);
-          button.setBackground(newColour);
-          button.setForeground(ColorUtils.brighterThan(button
-                  .getBackground()));
-        }
+        button.setForeground(ColorUtils.brighterThan(button.getBackground()));
       }
     }
   }
@@ -307,11 +308,6 @@ public class UserDefinedColours extends GUserDefinedColours implements
    */
   public void colourButtonPressed(MouseEvent e)
   {
-    if (selectedButtons == null)
-    {
-      selectedButtons = new ArrayList<JButton>();
-    }
-
     JButton pressed = (JButton) e.getSource();
 
     if (e.isShiftDown())
@@ -848,21 +844,32 @@ public class UserDefinedColours extends GUserDefinedColours implements
   @Override
   public void caseSensitive_actionPerformed(ActionEvent e)
   {
-    resetButtonPanel(caseSensitive.isSelected());
-    lcaseColour.setEnabled(caseSensitive.isSelected());
+    boolean selected = caseSensitive.isSelected();
+    resetButtonPanel(selected);
+    lcaseColour.setEnabled(selected);
+    lcaseColour.setForeground(Color.GRAY);
   }
 
+  /**
+   * Action on clicking 'Lower case colour', which results in changing colour of
+   * all lower-case buttons when a colour is picked. A second click of the
+   * button turns off this behaviour.
+   */
   @Override
   public void lcaseColour_actionPerformed(ActionEvent e)
   {
-    if (selectedButtons == null)
+    boolean enable = !selectedButtons.contains(lcaseColour);
+    selectedButtons.clear();
+    if (enable)
     {
-      selectedButtons = new ArrayList<JButton>();
+      selectedButtons.add(lcaseColour);
+      lcaseColour.setForeground(lowerCaseButtons.get(0).getForeground());
+      lcaseColour.setForeground(Color.black);
     }
     else
     {
-      selectedButtons.clear();
+      lcaseColour.setBackground(Color.white);
+      lcaseColour.setForeground(Color.gray);
     }
-    selectedButtons.add(lcaseColour);
   }
 }