Fixes issue 3327: TopicBar uses the wrong font-colour the first time it is edited if no topic is set

Change-Id: I1c545a3a86714ae50b9a593ef5a462a868002f8f
Reviewed-on: http://gerrit.dmdirc.com/324
Reviewed-by: Chris Smith <chris@dmdirc.com>
Tested-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/addons/ui_swing/components/TopicBar.java

                 controller.getDomain(), "showfulltopic", this);
         IdentityManager.getGlobalConfig().addChangeListener(
                 controller.getDomain(), "hideEmptyTopicBar", this);
-        
+
         topicText.setFocusable(false);
         topicText.setEditable(false);
         topicCancel.setVisible(false);
                 if (channel.getCurrentTopic() != null) {
                     topicText.setText(channel.getCurrentTopic().getTopic());
                 }
+                applyAttributes();
                 topicText.setCaretPosition(0);
                 topicText.setFocusable(true);
                 topicText.setEditable(true);
         StyleConstants.setItalic(as, false);
     }
 
+    private void applyAttributes() {
+        setAttributes();
+        ((DefaultStyledDocument) topicText.getDocument()).setCharacterAttributes(
+                0, Integer.MAX_VALUE, as, true);
+    }
+
     /**
      * Sets the caret position in this topic bar.
      *
 
                 @Override
                 public void run() {
-                    setAttributes();
-                    ((DefaultStyledDocument) topicText.getDocument()).
-                            setCharacterAttributes(0, Integer.MAX_VALUE, as,
-                            true);
+                    applyAttributes();
                 }
             });
         }