From 548d35633c5d863ecb9ecda43a1915e3a0559fda Mon Sep 17 00:00:00 2001
From: kruland2607 <kruland2607@180e2498-e6e9-4542-8430-84ac67f01cd8>
Date: Mon, 25 Jun 2012 02:28:05 +0000
Subject: [PATCH] git-svn-id:
 https://openrocket.svn.sourceforge.net/svnroot/openrocket/trunk@807
 180e2498-e6e9-4542-8430-84ac67f01cd8

---
 .../android/rocket/OpenRocketViewer.java           | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/android/src/net/sf/openrocket/android/rocket/OpenRocketViewer.java b/android/src/net/sf/openrocket/android/rocket/OpenRocketViewer.java
index 7673f311..58bb8275 100644
--- a/android/src/net/sf/openrocket/android/rocket/OpenRocketViewer.java
+++ b/android/src/net/sf/openrocket/android/rocket/OpenRocketViewer.java
@@ -37,6 +37,8 @@ implements Simulations.OnSimulationSelectedListener
 	private final static int TABSIZE = 4;
 
 	private OpenRocketViewerPagerAdapter viewPagerAdapter;
+	
+	private MenuItem saveAction;
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
@@ -78,6 +80,7 @@ implements Simulations.OnSimulationSelectedListener
 	public boolean onCreateOptionsMenu(Menu menu) {
 		MenuInflater inflater = getSupportMenuInflater();
 		inflater.inflate(R.menu.rocket_viewer_option_menu, menu);
+		saveAction = menu.findItem(R.id.menu_save);
 		return true;
 	}
 
@@ -93,6 +96,8 @@ implements Simulations.OnSimulationSelectedListener
 			// FIXME - Probably want to open a dialog here.
 			try {
 				CurrentRocketHolder.getCurrentRocket().saveOpenRocketDocument();
+				saveAction.setVisible(false);
+				invalidateOptionsMenu();
 			} catch ( IOException iex ) {
 				AndroidLogWrapper.d(OpenRocketViewer.class, iex.getMessage());
 			}
@@ -149,10 +154,13 @@ implements Simulations.OnSimulationSelectedListener
 	}
 
 	private class RocketChangedEventHandler extends net.sf.openrocket.android.RocketChangedEventHandler {
-
 		
 		@Override
 		protected void doSimsChanged() {
+			if (saveAction != null ) {
+				saveAction.setVisible(true);
+				invalidateOptionsMenu();
+			}
 			Simulations sims = (Simulations) viewPagerAdapter.getFragmentAtPos(SIMS_POS);
 			if ( sims != null ) {
 				sims.refreshSimulationList();
@@ -161,6 +169,10 @@ implements Simulations.OnSimulationSelectedListener
 
 		@Override
 		protected void doMotorConfigsChanged() {
+			if (saveAction != null ) {
+				saveAction.setVisible(true);
+				invalidateOptionsMenu();
+			}
 			Configurations configs = (Configurations) viewPagerAdapter.getFragmentAtPos(CONFIGS_POS);
 			if ( configs != null ) {
 				configs.refreshConfigsList();
-- 
2.30.2