From 534447bf8cbe043c99ca3ac1bb2907a6b375c190 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Sun, 24 Apr 2016 14:56:21 +0200
Subject: Revert "Experiment: add "teacher helped" link to Prolog screen"

This reverts commit 982522b5b9dfc39c10d08129b873aadf77b7293f.
---
 css/codeq.css      |  5 -----
 index.html         |  6 ------
 js/codeq/prolog.js | 18 ------------------
 res/en.json        |  2 --
 res/sl.json        |  2 --
 5 files changed, 33 deletions(-)

diff --git a/css/codeq.css b/css/codeq.css
index 56a086b..964909e 100644
--- a/css/codeq.css
+++ b/css/codeq.css
@@ -345,11 +345,6 @@ div.CodeMirror span.CodeMirror-matchingbracket {
 /***** responsiveness *****/
 /* md & ld */
 @media (min-width: 992px) {
-    /* experiment: Prolog hints */
-    .teacher-help {
-        position: fixed; bottom: 0; left: 0; max-width: 30%;
-    }
-    /* end of experiment: Prolog hints */
 
     /* BEGIN layouts */
     /*~~ line-layout ~~*/
diff --git a/index.html b/index.html
index d3bd219..004d0e7 100644
--- a/index.html
+++ b/index.html
@@ -375,12 +375,6 @@
                         <div class="description" data-dict="prolog" data-tkey="description"></div>
                     </div>
                     <div class="hints"></div>
-                    <!-- experiment: Prolog hints -->
-                    <div class="teacher-help"
-                         style="display: none; background-color: white; border: 1px solid gray; font-size: small; padding: 0.2em 0.4em;">
-                        <span data-tkey="teacher_help">If you received help from the teacher, please click</span> <a href="#" data-tkey="here">here</a>.
-                    </div>
-                    <!-- end of experiment: Prolog hints -->
                 </div>
                 <div class="col-lg-8 col-md-8 col-sm-12 block block-right ">
                     <div class="col-lg-6 col-md-12 col-sm-12 block block-editor">
diff --git a/js/codeq/prolog.js b/js/codeq/prolog.js
index 62effd1..b0e8ebf 100644
--- a/js/codeq/prolog.js
+++ b/js/codeq/prolog.js
@@ -23,10 +23,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
         jqAllButtons = jqBtnPlan.add(jqBtnTest), // all the buttons
         prologHandler; // created when we enter the prolog state and destroyed once we leave it
 
-    // experiment: Prolog hints
-    var jqTeacherHelp = jqScreen.find('.teacher-help');
-    // end of experiment: Prolog hints
-
     var enterFun = function(problemDef, commonDef, currentSolution) {
         $('#navigation-problem-list').css('display', '');
         var navigationProlog = $("#navigation-prolog");
@@ -52,11 +48,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
                 .done();
         },
         'exit': function () {
-            // experiment: Prolog hints
-            jqTeacherHelp.find('a').off('click');
-            jqTeacherHelp.hide();
-            // end of experiment: Prolog hints
-
             jqScreen.css('display', 'none');
             if (prologHandler) prologHandler.destroy();
             prologHandler = null;
@@ -254,15 +245,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
             .done();
         });
 
-        // experiment: Prolog hints
-        jqTeacherHelp.find('a').on('click', function(e) {
-            e.preventDefault();
-            activityHandler.queueTrace({'typ': 'experiment', 'data': 'teacher help'});
-            jqTeacherHelp.hide();
-        });
-        jqTeacherHelp.show();
-        // end of experiment: Prolog hints
-
         codeq.comms.loadProblem(problemDef.id).done();
         activityHandler.queueTrace({
             'typ': 'open',
diff --git a/res/en.json b/res/en.json
index 55715e5..74a52c5 100644
--- a/res/en.json
+++ b/res/en.json
@@ -1,6 +1,4 @@
 {
-  "teacher_help": "If a teacher helped you solve this problem, please click",
-  "here": "here",
   "connection_failed": "Could not connect to server.",
   "language": "Language",
   "ui_language_title": "Select the UI language.",
diff --git a/res/sl.json b/res/sl.json
index 99b88a1..7e337fb 100644
--- a/res/sl.json
+++ b/res/sl.json
@@ -1,6 +1,4 @@
 {
-  "teacher_help": "Če ti je pri reševanju pomagal učitelj, klikni",
-  "here": "tukaj",
   "connection_failed": "Povezava na strežnik ni uspela.",
   "language": "Jezik",
   "ui_language_title": "Izberi jezik uporabniškega vmesnika.",
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