From 20a9bac2cb976ea385f8c3bb530e2d9ae2972e71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Tue, 22 Sep 2015 09:35:39 +0200
Subject: Bugfix python terminal: unregister terminal_output on exit, declare
 the "lines" variable.

---
 js/codeq/comms.js  | 21 ++++++++++++++-------
 js/codeq/python.js |  5 +++--
 2 files changed, 17 insertions(+), 9 deletions(-)

(limited to 'js')

diff --git a/js/codeq/comms.js b/js/codeq/comms.js
index db9b7b5..9e69526 100644
--- a/js/codeq/comms.js
+++ b/js/codeq/comms.js
@@ -298,14 +298,21 @@
             var handlers = requestHandlers[event],
                 N, i;
             if (!handlers) return; // none registered
-            N = handlers.length;
-            for (i = 0; i < N; i++) {
-                if (handlers[i] === handler) {
-                    handlers.splice(i, 1);
-                    if (handlers.length === 0) {
-                        delete requestHandlers[event];
+            if (arguments.length == 1) {
+                // no handler specified -> remove all handlers for this event
+                delete requestHandlers[event];
+                handlers.length = 0;
+            }
+            else {
+                N = handlers.length;
+                for (i = 0; i < N; i++) {
+                    if (handlers[i] === handler) {
+                        handlers.splice(i, 1);
+                        if (handlers.length === 0) {
+                            delete requestHandlers[event];
+                        }
+                        return;
                     }
-                    return;
                 }
             }
         }
diff --git a/js/codeq/python.js b/js/codeq/python.js
index 39077d8..e5b59c2 100644
--- a/js/codeq/python.js
+++ b/js/codeq/python.js
@@ -126,9 +126,9 @@
         };
 
         codeq.comms.on('terminal_output', function (data) {
-            var text = data.text;
+            var text = data.text,
+                lines = text.split('\n');
             terminal.append(text, 'output');
-            lines = text.split('\n');
             terminal.leftmostCol = lines[lines.length-1].length;
         });
 
@@ -270,6 +270,7 @@
             destroy: function () {
                 jqAllButtons.off();
                 editor.off('change');
+                codeq.comms.off('terminal_output'); // stop listening for the terminal events from server
                 hinter.destroy();
                 terminal.destroy();
                 jqDescriptionContent.empty();
-- 
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