From a9474b488d0756b465ee507dbba639f62d0dcb85 Mon Sep 17 00:00:00 2001
From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Tue, 21 Jun 2016 14:41:08 +0100
Subject: [PATCH] JAL-2074 reuse Groovy window when reopening; rebind Cmd-Q to
 Jalview when closing

---
 src/jalview/gui/Desktop.java |   74 ++++++++++++++++++++++++++++++------------
 1 file changed, 53 insertions(+), 21 deletions(-)

diff --git a/src/jalview/gui/Desktop.java b/src/jalview/gui/Desktop.java
index e56c42f..45a52ee 100644
--- a/src/jalview/gui/Desktop.java
+++ b/src/jalview/gui/Desktop.java
@@ -61,6 +61,7 @@ import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
+import java.awt.event.KeyEvent;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
@@ -82,6 +83,7 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Semaphore;
 
+import javax.swing.AbstractAction;
 import javax.swing.DefaultDesktopManager;
 import javax.swing.DesktopManager;
 import javax.swing.JButton;
@@ -96,6 +98,7 @@ import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 import javax.swing.JPopupMenu;
 import javax.swing.JProgressBar;
+import javax.swing.KeyStroke;
 import javax.swing.SwingUtilities;
 import javax.swing.event.HyperlinkEvent;
 import javax.swing.event.HyperlinkEvent.EventType;
@@ -1178,6 +1181,11 @@ public class Desktop extends jalview.jbgui.GDesktop implements
       dialogExecutor.shutdownNow();
     }
     closeAll_actionPerformed(null);
+
+    if (groovyConsole != null)
+    {
+      groovyConsole.exit();
+    }
     System.exit(0);
   }
 
@@ -2465,39 +2473,63 @@ public class Desktop extends jalview.jbgui.GDesktop implements
    */
   void openGroovyConsole()
   {
-    groovyConsole = new groovy.ui.Console();
+    if (groovyConsole == null)
+    {
+      groovyConsole = new groovy.ui.Console();
+      groovyConsole.setVariable("Jalview", this);
+      groovyConsole.run();
 
-    /*
-     * bind groovy variable 'Jalview' to the Desktop object
-     */
-    groovyConsole.setVariable("Jalview", this);
+      /*
+       * We allow only one console at a time, so that AlignFrame menu option
+       * 'Calculate | Run Groovy script' is unambiguous.
+       * Disable 'Groovy Console', and enable 'Run script', when the console is 
+       * opened, and the reverse when it is closed
+       */
+      Window window = (Window) groovyConsole.getFrame();
+      window.addWindowListener(new WindowAdapter()
+      {
+        @Override
+        public void windowClosed(WindowEvent e)
+        {
+          /*
+           * rebind CMD-Q from Groovy Console to Jalview Quit
+           */
+          addQuitHandler();
+          enableExecuteGroovy(false);
+        }
+      });
+    }
 
     /*
-     * start the console
+     * show Groovy console window (after close and reopen)
      */
-    groovyConsole.run();
+    ((Window) groovyConsole.getFrame()).setVisible(true);
 
     /*
-     * Allow only one console at a time, so that the AlignFrame menu option
-     * 'Calculate | Run Groovy script' is unambiguous.
-     * Disable 'new console', and enable 'Run script', when the console is 
-     * opened, and the reverse when it is closed
+     * if we got this far, enable 'Run Groovy' in AlignFrame menus
+     * and disable opening a second console
      */
-    Window window = (Window) groovyConsole.getFrame();
-    window.addWindowListener(new WindowAdapter()
+    enableExecuteGroovy(true);
+  }
+
+  /**
+   * Bind Ctrl/Cmd-Q to Quit - for reset as Groovy Console takes over this
+   * binding when opened
+   */
+  protected void addQuitHandler()
+  {
+    getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(
+            KeyStroke.getKeyStroke(KeyEvent.VK_Q, Toolkit
+                    .getDefaultToolkit().getMenuShortcutKeyMask()),
+            "Quit");
+    getRootPane().getActionMap().put("Quit", new AbstractAction()
     {
       @Override
-      public void windowClosed(WindowEvent e)
+      public void actionPerformed(ActionEvent e)
       {
-        enableExecuteGroovy(false);
+        quit();
       }
     });
-
-    /*
-     * if we got this far, enable 'Run Groovy' in AlignFrame menus
-     * and disable opening a second console
-     */
-    enableExecuteGroovy(true);
   }
 
   /**
-- 
1.7.10.2