From 7c65ca7a98e681eee5d1910c10e57072caee1799 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Wed, 30 Sep 2015 16:31:24 +0200
Subject: Bugfix login.js: sett was not declared, search for lan, not lang, in
 the returned settings.

---
 js/codeq/login.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/codeq/login.js b/js/codeq/login.js
index e5a446b..7844dc4 100644
--- a/js/codeq/login.js
+++ b/js/codeq/login.js
@@ -16,9 +16,9 @@
                 if (data.code !== 0) throw new Error('Login failed, code: ' + data.code + ', message: ' + data.message);
 
                 //merge these settings into the already existing default settings
-                sett = data.settings;
+                var sett = data.settings;
                 $.merge(true, codeq.settings, sett);
-                if('lang' in sett && sett['lan'] in codeq.supportedLangs){
+                if('lan' in sett && sett['lan'] in codeq.supportedLangs){
                     codeq.setLang(sett['lan']);
                 }
 
-- 
cgit v1.2.1


From 20ba9213950544c6a7f1dd04af160bf674561e3b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Wed, 30 Sep 2015 16:32:07 +0200
Subject: Implemented structural translation of hints and plans.

---
 js/codeq/hint.js        | 238 ++++++++++++++++++++++++++++++++++++++----------
 js/codeq/problem.js     |  38 ++++++--
 js/codeq/python.js      |   2 +-
 js/codeq/translation.js |   1 +
 4 files changed, 225 insertions(+), 54 deletions(-)

diff --git a/js/codeq/hint.js b/js/codeq/hint.js
index d30f934..6f54717 100644
--- a/js/codeq/hint.js
+++ b/js/codeq/hint.js
@@ -12,6 +12,7 @@
             hintCleaners = [],
             planIdx = 0,
             dictionary = [],
+            jqHintsContainer = jqHints.parent(),
 
             clearHints = function () {
                 var i;
@@ -44,45 +45,192 @@
                 });
             },
 
-            typeHandlers = {
-                'static': function (type, template, serverHint) {
-                    var args = serverHint ? serverHint.args : null,
-                        jqContainer, jqButton, i, N, tmpl, tmplIsObject;
-                    if (template instanceof Array) { // unwrap the template if there's only one
-                        if (template.length == 0) template = '';
-                        else if (template.length == 1) template = template[0] + ''; // it must be a string
+            prepareStaticHintContent = function (hintContent, indices, hintId) {
+                var content = {},
+                    langs = codeq.availableLangs,
+                    skippedLangs = [],
+                    Nhints = 0, // count hints and remember the count
+                    haveIndices = indices instanceof Array,
+                    i, lang, j, node, tmpContent;
+                langLoop:
+                for (j = langs.length - 1; j >= 0; j--) {
+                    lang = langs[j];
+                    node = hintContent[lang];
+                    if (!node) {
+                        // no translation for this language, mark for later
+                        skippedLangs.push(lang);
+                    }
+                    else {
+                        if (haveIndices) {
+                            // traverse node's indices
+                            for (i = 0; i < indices.length; i++) {
+                                node = node[indices[i]];
+                                if (!node) {
+                                    // index out of bounds, mark this language for later
+                                    codeq.log.error('Cannot reference hint ' + hintId + ' with indices ' + indices);
+                                    skippedLangs.push(lang);
+                                    continue langLoop;
+                                }
+                            }
+                        }
+                        if (typeof node === 'string') {
+                            // we have a single string (= a simplex message), put it into an array
+                            content[lang] = [node];
+                            if (Nhints < 1) Nhints = 1;
+                        }
+                        else if (node instanceof Array) {
+                            // we already have an array
+                            if (node.length == 0) {
+                                if (haveIndices) codeq.log.error('Hint ' + hintId + ' with indices ' + indices + ' for language ' + lang + ' contains an empty array');
+                                else codeq.log.error('Hint ' + hintId + ' for language ' + lang + ' contains an empty array');
+                                skippedLangs.push(lang);
+                                continue;
+                            }
+                            // verify that each array element is a string or an object with a message
+                            for (i = node.length - 1; i >= 0; i--) {
+                                tmpContent = node[i];
+                                if (typeof tmpContent === 'string') {
+                                    // this is okay
+                                }
+                                else if (tmpContent && (typeof tmpContent === 'object')) {
+                                    if (typeof tmpContent.message !== 'string') {
+                                        if (haveIndices) tmpContent.message = 'There is no message defined for hint ' + hintId + 'with indices ' + indices + ' in language ' + lang + ' at index ' + i;
+                                        else tmpContent.message = 'There is no message defined for hint ' + hintId + ' in language ' + lang + ' at index ' + i;
+                                        codeq.log.error(tmpContent.message);
+                                    }
+                                }
+                                else {
+                                    // not a string or an object with a message
+                                    if (haveIndices) tmpContent = 'There is no message defined for hint ' + hintId + 'with indices ' + indices + ' in language ' + lang + ' at index ' + i;
+                                    else tmpContent = 'There is no message defined for hint ' + hintId + ' in language ' + lang + ' at index ' + i;
+                                    node[i] = tmpContent;
+                                    codeq.log.error(tmpContent);
+                                }
+                            }
+                            content[lang] = node;
+                            if (Nhints < node.length) Nhints = node.length;
+                        }
+                        else if (node && (typeof node === 'object') && (typeof node.message === 'string')) {
+                            // we have a single object with a message (= a complex message), put it into an array
+                            content[lang] = [node];
+                            if (Nhints < 1) Nhints = 1;
+                        }
+                        else {
+                            if (haveIndices) codeq.log.error('Hint ' + hintId + ' with indices ' + indices + ' did not result in a terminal node for language ' + lang + ', but: ' + node);
+                            else codeq.log.error('Hint ' + hintId + ' probably needs indices because it does not have a terminal node for language ' + lang + ', but: ' + node);
+                            skippedLangs.push(lang);
+                        }
                     }
-                    if (template instanceof Array) {
-                        codeq.log.debug('Processing an array of static hints');
+                }
+                if (Nhints === 0) {
+                    // provide error feedback on display when there is no hint translation available in any language
+                    if (haveIndices) tmpContent = ['No hints found for hint ' + hintId + ' with indices ' + indices];
+                    else tmpContent = ['No hints found for hint ' + hintId];
+                    codeq.log.error(tmpContent[0]);
+                    for (j = langs.length - 1; j >= 0; j--) {
+                        content[langs[j]] = tmpContent;
+                    }
+                    Nhints = 1;
+                }
+                else if (skippedLangs.length > 0) {
+                    // choose a default content and assign it to skipped languages
+                    lang = 'en'; // try English first
+                    tmpContent = content[lang];
+                    if (!tmpContent) {
+                        // if no English exists, find one that does
+                        for (lang in content) {
+                            if (!content.hasOwnProperty(lang)) continue;
+                            tmpContent = content[lang];
+                            if (tmpContent) break;
+                        }
+                    }
+                    codeq.log.error('Translations in languages ' + skippedLangs.join(', ') + ' are missing or erroneous for hint ' + hintId + ', replacing their content with translation for ' + lang);
+                    // assign the default content to skipped languages
+                    for (j = skippedLangs.length - 1; j >= 0; j--) {
+                        content[skippedLangs[j]] = tmpContent;
+                    }
+                }
+                content.hintLength = Nhints;
+                return content;
+            },
+
+            ta = function (trObj) { // an object of the form: {'en': 'english content', 'sl': 'slovenska vsebina'}
+                var result = ['data-dict="', trNamespace, '" data-tkey="', dictionary.length, '"'].join('');
+                dictionary.push(trObj);
+                return result;
+            },
+
+            typeHandlers = {
+                'static': function (type, template, serverHint, hintId) {
+                    var content = prepareStaticHintContent(template, serverHint.indices, hintId),
+                        args = serverHint ? serverHint.args : null,
+                        hintIndex = 0,
+                        trButton = {},
+                        Nhints = content.hintLength,
+                        nextJqHint = function () {
+                            var trContent = {},
+                                langs = codeq.availableLangs,
+                                lang, i, msg, jq, deltaHeight;
+                            for (i = langs.length - 1; i >= 0; i--) {
+                                lang = langs[i];
+                                try {
+                                    msg = content[lang][hintIndex];
+                                    if (typeof msg === 'string') {
+                                        trContent[lang] = processTemplate(msg, args);
+                                        trButton[lang] = 'More...';
+                                    }
+                                    else {
+                                        trContent[lang] = processTemplate(msg.message, args);
+                                        trButton[lang] = msg.linkText;
+                                    }
+                                }
+                                catch (e) {
+                                    msg = 'Error processing hint ' + hintId + ' at index ' + hintIndex + ' for language ' + lang + ': ' + e;
+                                    codeq.log.error(msg, e);
+                                    trContent[lang] = msg;
+                                }
+                            }
+                            jq = $('<div class="hint-static translatable" ' + ta(trContent) + '></div>');
+                            hintIndex++;
+                            if (jqButton) {
+                                if (hintIndex < Nhints) {
+                                    jqButton.before(jq);
+                                    codeq.tr.translateDom(jqButton);
+                                }
+                                else {
+                                    jqButton.remove();
+                                    jqContainer.append(jq);
+                                }
+                            }
+                            else {
+                                jqContainer.append(jq);
+                            }
+                            codeq.tr.translateDom(jq);
+                            // scroll into view if overflowing
+                            deltaHeight = jqHints.height() - jqHintsContainer.height();
+                            if (deltaHeight > 0) {
+                                jqHintsContainer.scrollTop(deltaHeight);
+                            }
+                        },
+                        jqContainer, jqButton;
+
+                    if (Nhints > 1) {
+                        // hint sequence
                         jqContainer = $('<div class="hint-static-group"></div>');
-                        jqButton = $('<a class="hint-static-link"></a>');
+                        jqButton = $('<a class="hint-static-link translatable" ' + ta(trButton) + '></a>');
                         jqHints.append(jqContainer);
-                        N = template.length;
-                        tmpl = template[0];
-                        tmplIsObject = (typeof tmpl === 'object') && (tmpl !== null);
-                        jqContainer.append('<div class="hint-static">' + processTemplate((tmplIsObject ? tmpl.message : tmpl) || '', args) + '</div>');
                         jqContainer.append(jqButton);
-                        jqButton.text(tmplIsObject && tmpl.linkText ? tmpl.linkText : 'More...'); // TODO: translate "more"
-                        i = 1;
                         jqButton.on('click', function () {
-                            var tmpl = template[i],
-                                tmplIsObject = (typeof tmpl === 'object') && (tmpl !== null),
-                                jqNext = $('<div class="hint-static">' + processTemplate((tmplIsObject ? tmpl.message : tmpl) || '', args) + '</div>');
-                            i++;
-                            if (i < N) {
-                                jqButton.before(jqNext);
-                                jqButton.text(tmplIsObject && tmpl.linkText ? tmpl.linkText : 'More...'); // TODO: translate "more"
-                            }
-                            else {
-                                jqButton.remove();
-                                jqContainer.append(jqNext);
-                            }
+                            nextJqHint();
                         });
                     }
                     else {
-                        codeq.log.debug('Processing a single static hint');
-                        jqHints.append('<div class="hint-static">' + processTemplate(template, args) + '</div>');
+                        // a single hint
+                        jqContainer = jqHints;
+                        jqButton = null;
                     }
+                    nextJqHint();
+
                     // no hint cleaner here, a static hint remains on the screen
                 },
 
@@ -137,7 +285,7 @@
             hintCommonDefs = commonDef.hint_type,
             hintProblemTr = problemDef.hint,
             hintCommonTr = commonDef.hint,
-            planDef = problemDef.plan.sl;
+            planDef = problemDef.plan;
 
         return {
             /**
@@ -146,12 +294,16 @@
              */
             'planNext': function () {
                 if (planIdx < planDef.length) {
-                    typeHandlers['static']('static', planDef[planIdx], null);
+                    typeHandlers.static('static', planDef[planIdx], {}, 'plan');
                     planIdx++;
                 }
                 return planIdx < planDef.length;
             },
 
+            'hasNextPlan': function () {
+                return planIdx < planDef.length;
+            },
+
             /**
              * Processes and display appropriately the server hints.
              * TODO: sort hints so static and popup hints come first, and a (single) drop-down hint last
@@ -160,7 +312,8 @@
              */
             'handle': function (serverHints) {
                 var n = serverHints.length,
-                    i, serverHint, hintId, hintDef, hintContent, hintType, hintTemplate, t, fn, indices;
+                    i, serverHint, hintId, hintDef, hintContent, hintType, t, fn, indices;
+
                 clearHints();
                 mainLoop:
                 for (i = 0; i < n; i++) {
@@ -182,28 +335,18 @@
                         codeq.log.error('Hint without content: ' + hintId);
                         continue;
                     }
-                    if (serverHint.indices) {
-                        indices = serverHint.indices;
-                        for (i = 0; i < indices.length; i++) {
-                            hintContent = hintContent[indices[i]];
-                            if (!hintContent) {
-                                codeq.log.error('Cannot reference hint ' + hintId + ' with indices ' + serverHint.indices);
-                                continue mainLoop;
-                            }
-                        }
-                    }
 
                     t = typeof hintDef;
-                    if (t === 'string') hintType = hintDef;
-                    else if ((t === 'object') && (hintDef !== null)) hintType = hintDef.type;
+                    if (t === 'string') hintType = hintDef; // currently a hint type is a string
+                    else if ((t === 'object') && (hintDef !== null)) hintType = hintDef.type; // but in future we may use an object, if a definition becomes more complex
                     else {
-                        codeq.log.error('Cannot determine type of hint ' + hintId + ' from: ' + hintDef);
+                        codeq.log.error('Cannot determine the type of hint ' + hintId + ' from: ' + hintDef);
                         continue;
                     }
 
                     fn = typeHandlers[hintType];
                     if (!fn) codeq.log.error('Unsupported hint type: ' + hintType);
-                    else fn(hintType, hintContent.sl, serverHint);
+                    else fn(hintType, hintContent, serverHint, hintId);
                 }
             },
 
@@ -213,6 +356,7 @@
                 jqHints.empty();
                 jqHints = null;
                 jqEditor = null;
+                jqHintsContainer = null;
                 editor = null;
             }
         };
diff --git a/js/codeq/problem.js b/js/codeq/problem.js
index d07e5fa..f6331b3 100644
--- a/js/codeq/problem.js
+++ b/js/codeq/problem.js
@@ -83,25 +83,51 @@
             if (!translation || !(translation instanceof Array)) return false;
             return translation.length > 0;
         },
+        /**
+         * Structurally converts the plan definition into something that the
+         * hint module can work with.
+         * The input is the translations object from problem.json in the form
+         * {'sl': { ..., 'plan': [hint1_sl, hint2_sl, ...]}, 'en': { ..., 'plan': [hint1_en, hint2_en, ...]}, ...}
+         * The output is a list of hints in the plan, translations are in each hint:
+         * [{'sl': hint1_sl, 'en': hint1_en, ...}, {'sl': hint2_sl, 'en': hint2_en}, ...]
+         */
         processPlans = function (rawTranslations) {
             // find the default plan translation
             var defaultPlan = chooseDefaultTranslation(rawTranslations, 'plan', defaultPlanCondition) || [],
-                allPlans = {}, // the result
-                i, lang, tr;
-            // create all translations for plan
+                result = [],
+                i, lang, tr, plan, j, fragment;
+            if (defaultPlan.length == 0) return result; // no plan
+            // copy all translations from plan
             for (i = langs.length - 1; i >= 0; i--) {
                 lang = langs[i];
                 tr = rawTranslations[lang];
                 // set up plan
                 if (tr && defaultPlanCondition(tr.plan)) {
-                    allPlans[lang] = tr.plan;
+                    plan = tr.plan;
                 }
                 else {
                     // there's no plan in the current language, copy the default plan
-                    allPlans[lang] = defaultPlan;
+                    plan = defaultPlan;
+                }
+                if (!(plan instanceof Array)) plan = [plan];
+                for (j = 0; j < plan.length; j++) {
+                    if (j < result.length) fragment = result[j];
+                    else {
+                        fragment = {};
+                        result.push(fragment);
+                    }
+                    fragment[lang] = plan[j];
                 }
             }
-            return allPlans;
+            // ensure each plan element has all translations
+            for (j = result.length - 1; j >= 0; j--) {
+                fragment = result[j];
+                for (i = langs.length - 1; i >= 0; i--) {
+                    lang = langs[i];
+                    if (!fragment[lang]) fragment[lang] = 'Missing plan for language ' + lang + ' at index ' + j;
+                }
+            }
+            return result;
         },
 
         // ================================================================================
diff --git a/js/codeq/python.js b/js/codeq/python.js
index 8a9e92f..59e010a 100644
--- a/js/codeq/python.js
+++ b/js/codeq/python.js
@@ -233,7 +233,7 @@
         if (currentSolution) editor.setValue(currentSolution);
 //        $('#screen_python .title').text(problem.slug);
 //        jqDescriptionContent.html(problem.description);
-        jqBtnPlan.prop('disabled', ((problemDef.plan && problemDef.plan.sl) || []).length == 0);
+        jqBtnPlan.prop('disabled', !hinter.hasNextPlan());
 
         editor.on('change', function (instance, changeObj) {
             var doc = editor.getDoc(),
diff --git a/js/codeq/translation.js b/js/codeq/translation.js
index d4278ac..f33199d 100644
--- a/js/codeq/translation.js
+++ b/js/codeq/translation.js
@@ -70,6 +70,7 @@
 
         'translateDom': function (jqTopElt) {
             var lang = codeq.getLang();
+            if (jqTopElt.hasClass('translatable')) translateElement(jqTopElt, lang);
             jqTopElt.find('.translatable').each(function () {
                 translateElement($(this), lang);
             });
-- 
cgit v1.2.1


From be66c44e2b882219c44bcf0de3238f6e3d62cfad Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@araneo.org>
Date: Wed, 30 Sep 2015 16:43:56 +0200
Subject: Add the robot problem screen

Mostly a copy of the Python screen, a lot of functionality is missing.
---
 index.html             |  34 ++++++
 js/codeq/language.js   |   8 +-
 js/codeq/navigation.js |   6 +-
 js/codeq/robot.js      | 300 +++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 345 insertions(+), 3 deletions(-)
 create mode 100644 js/codeq/robot.js

diff --git a/index.html b/index.html
index 24a4836..1464528 100644
--- a/index.html
+++ b/index.html
@@ -40,6 +40,7 @@
                         <li style="display: none;" id="navigation-problem"><a href="">Problem</a></li>
                         <li style="display: none;" id="navigation-python"><a href="">Python</a></li>
                         <li style="display: none;" id="navigation-prolog"><a href="">Prolog</a></li>
+                        <li style="display: none;" id="navigation-robot"><a href="">Robot</a></li>
                     </ul>
                     <ul class="nav navbar-nav navbar-right">
                         <p class="navbar-text" id="signed-in-title"></p>
@@ -215,6 +216,38 @@
             </div><!--/row-->
         </div><!--container-->
 
+        <!-- problem screen: robot -->
+        <div class="container-fluid quadrants block1" id="screen_robot" style="display: none;">
+            <div class="row">
+                <div class="col-lg-3 col-md-6 col-sm-12 block block1">
+                    <h2 class="title translatable" data-dict="robot" data-tkey="slug"></h2>
+                    <div class="description translatable" data-dict="robot" data-tkey="description"></div>
+                    <div class="block-label">Instructions</div>
+                </div>
+                <div class="col-lg-3 col-md-6 col-sm-12 block block2">
+                    <nav class="navbar navbar-default">
+                        <div class="container-fluid">
+                            <button type="button" class="btn btn-default navbar-btn btn-plan">Plan</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-hint">Hint</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-run">Run</button>
+                            <input type="text" id="robot_ip" placeholder="Robot's IP"></input>
+                            <button type="button" class="btn btn-default navbar-btn btn-stop">Stop</button>
+                        </div>
+                    </nav>
+                    <div class="code_editor"></div>
+                    <div class="block-label">Code</div>
+                </div>
+                <div class="col-lg-3 col-md-6 col-sm-12 block block3">
+                    <div class="console"></div>
+                    <div class="block-label">Console</div>
+                </div>
+                <div class="col-lg-3 col-md-6 col-sm-12 block block4">
+                    <div class="hints"></div>
+                    <div class="block-label">Hints</div>
+                </div>
+            </div><!--/row-->
+        </div><!--container-->
+
         <!-- problem screen: profile -->
         <div class="container-fluid" id="screen_profile" style="display: none;">
             <h2>
@@ -436,6 +469,7 @@
         <script src="js/codeq/hint.js"></script>
         <script src="js/codeq/prolog.js"></script>
         <script src="js/codeq/python.js"></script>
+        <script src="js/codeq/robot.js"></script>
         <script src="js/codeq/login.js"></script>
         <script src="js/codeq/profile.js"></script>
         <script src="js/codeq/language.js"></script>
diff --git a/js/codeq/language.js b/js/codeq/language.js
index aac4e78..0893e33 100644
--- a/js/codeq/language.js
+++ b/js/codeq/language.js
@@ -6,8 +6,10 @@
     var jqScreen = $('#screen_language'),
         jqProlog = $('#choose-prolog'),
         jqPython = $('#choose-python'),
+        jqRobot = $('#choose-robot'),
         chooseProlog = function () {codeq.globalStateMachine.transition('problem', 'prolog');},
-        choosePython = function () {codeq.globalStateMachine.transition('problem', 'python');};
+        choosePython = function () {codeq.globalStateMachine.transition('problem', 'python');},
+        chooseRobot = function () {codeq.globalStateMachine.transition('problem', 'robot');};
 
     codeq.globalStateMachine.register('language',{
         'enter': function(){
@@ -16,13 +18,15 @@
             jqScreen.css('display', '');
             jqProlog.on('click', chooseProlog);
             jqPython.on('click', choosePython);
+            jqRobot.on('click', chooseRobot);
         },
         'exit' : function(){
             jqProlog.off();
             jqPython.off();
+            jqRobot.off();
             jqScreen.css('display', 'none');
 
             $('#navigation-language').css('display', 'none').removeClass("active");
         }
     });
-})();
\ No newline at end of file
+})();
diff --git a/js/codeq/navigation.js b/js/codeq/navigation.js
index 80fd321..4eff834 100644
--- a/js/codeq/navigation.js
+++ b/js/codeq/navigation.js
@@ -97,6 +97,10 @@
         codeq.globalStateMachine.transition('prolog');
         e.preventDefault();
     });
+    $('#navigation-robot').on('click', function(e){
+        codeq.globalStateMachine.transition('robot');
+        e.preventDefault();
+    });
     $('#navigation-logout').on('click', function(e){
         codeq.globalStateMachine.transition('login');
         e.preventDefault();//prevent this since we'll trigger a page reload otherwise
@@ -106,4 +110,4 @@
         e.preventDefault();//prevent this since we'll trigger a page reload otherwise
     });
 
-})();
\ No newline at end of file
+})();
diff --git a/js/codeq/robot.js b/js/codeq/robot.js
new file mode 100644
index 0000000..f2f4a9b
--- /dev/null
+++ b/js/codeq/robot.js
@@ -0,0 +1,300 @@
+/**
+ * The robot state of the state machine. When it is entered it'll prepare the code editor and load a sub-state machine which represents the 3 different parts of the screen.
+ */
+
+(function() {
+    var subScreens, //this will be the actual (sub)state machine
+        stateNameTag = 'stateName', //a tag for data which is added to some html elements
+        jqScreen = $('#screen_robot'), // the screen container element
+        //quadrants
+        jqDescription = jqScreen.find('.block1'),
+        jqCode = jqScreen.find('.block2'),
+        jqConsole = jqScreen.find('.block3'),
+        jqInfo = jqScreen.find('.block4'),
+        jqAllQuadrants = jqDescription.add(jqCode).add(jqConsole).add(jqInfo), // all the quadrants
+        // buttons
+        jqBtnPlan = jqScreen.find('.btn-plan'),
+        jqBtnHint = jqScreen.find('.btn-hint'),
+        jqBtnRun = jqScreen.find('.btn-run'),
+        jqBtnStop = jqScreen.find('.btn-stop'),
+        jqInfoButtons = jqBtnPlan.add(jqBtnHint), // all info-focusing buttons
+        jqAllButtons = jqInfoButtons.add(jqBtnRun).add(jqBtnStop), // all buttons
+        // misc
+        currentSubState = null,
+        transitionEventName = 'mousedown',//event name of the event which will trigger the transition between these substates - the most common transition at least (there are some corner cases on the hint and test buttons -> see the code below)
+        substates = {
+            'description': {
+                'enter': function () {
+                    currentSubState = 'block1';
+                    jqScreen.addClass(currentSubState);
+                },
+                'exit': function () {
+                    jqScreen.removeClass(currentSubState);
+                    currentSubState = null;
+                }
+            },
+            'code': {
+                'enter': function () {
+                    currentSubState = 'block2';
+                    jqScreen.addClass(currentSubState);
+                },
+                'exit': function () {
+                    jqScreen.removeClass(currentSubState);
+                    currentSubState = null;
+                }
+            },
+            'info': {
+                'enter': function () {
+                    currentSubState = 'block4';
+                    jqScreen.addClass(currentSubState);
+                },
+                'exit': function () {
+                    jqScreen.removeClass(currentSubState);
+                    currentSubState = null;
+                }
+            },
+            'console': {
+                'enter': function () {
+                    currentSubState = 'block3';
+                    jqScreen.addClass(currentSubState);
+                },
+                'exit': function () {
+                    jqScreen.removeClass(currentSubState);
+                    currentSubState = null;
+                }
+            }
+        };
+    var robotHandler; //created when we enter the robot state and destroyed once we leave it
+    codeq.globalStateMachine.register('robot', {
+        'enter': function (problemDef, commonDef, currentSolution) {
+            $('#navigation-language').css('display', '');
+            $('#navigation-problem').css('display', '');
+            $("#navigation-robot").addClass("active");
+            $('#navigation-robot').css('display', '');
+
+            jqScreen.css('display', '');//we have to show the screen now so the code editor shows its initial values correctly
+            robotHandler = createRobotHandler(problemDef, commonDef, currentSolution);
+            subScreens = codeq.makeStateMachine(substates);
+            subScreens.transition(jqDescription.data(stateNameTag));
+/*            Q.delay(100).then(function(){
+             jqAllQuadrants.addClass('transition');//for smooth animations - need to be delayed, because otherwise we get some weird "animations" while the page is loading
+             }).done();*/
+            jqInfoButtons.on(transitionEventName, function (event) {
+                subScreens.transition('info'); // set focus on the hints quadrant
+                event.stopPropagation(); // don't allow the event to go on and trigger further transition
+            });
+            jqBtnRun.on(transitionEventName, function (event) {
+                subScreens.transition('console'); // set focus on the hints quadrant
+                event.stopPropagation(); // don't allow the event to go on and trigger further transition
+            });
+
+            jqAllQuadrants.on(transitionEventName, function () {
+                subScreens.transition($(this).data(stateNameTag));
+            });
+        },
+        'exit': function () {
+            jqAllButtons.off(); // unregister all event handlers
+            jqAllQuadrants.off();
+            jqScreen.css('display', 'none');
+//            jqAllQuadrants.removeClass('transition');
+            robotHandler.destroy();
+            robotHandler = null;
+            subScreens.destroy();
+            subScreens = null;
+            jqScreen.addClass('block1');
+
+            $('#navigation-language').css('display', 'none');
+            $('#navigation-problem').css('display', 'none');
+            $("#navigation-robot").removeClass("active");
+            $('#navigation-robot').css('display', 'none');
+        }
+    });
+
+    jqDescription.data(stateNameTag, 'description');
+    jqCode.data(stateNameTag, 'code');
+    jqConsole.data(stateNameTag, 'console');
+    jqInfo.data(stateNameTag, 'info');
+
+    // a constant
+    var firstCharacterPos = {'line': 0, 'ch': 0};
+
+    var makeRobotTerminalHandler = function (jqConsole, editor, problem_id, activityHandler) {
+        var terminal = codeq.makeConsole(jqConsole, {
+                'greeting': 'CodeQ Robot terminal proxy',
+                'autoHistory': true
+            });
+
+        terminal.onInput = function (text) {
+            terminal.append('Not implemented.\n', 'output');
+        };
+        return terminal;
+    };
+
+    var makeActivityHandler = function (editor, problem_id) {
+        var lastActivityMillis = Date.now(),
+            deltaActivityMillis = function deltaActivityMillisFunc () {
+                var now = Date.now(),
+                    dt = now - lastActivityMillis;
+                lastActivityMillis = now;
+                return dt;
+            },
+            queue = [],
+            ts = null,
+            timer = function () {
+                var promise;
+                ts = null;
+                if (queue.length === 0) return Q(true);
+                promise = codeq.comms.sendActivity(queue, editor.getDoc().getValue(), problem_id);
+                queue.length = 0;
+                return promise;
+            },
+            flush = function () {
+                clearTimeout(ts);
+                return timer();
+            };
+
+        return {
+            'queueTrace': function (trace) {
+                trace['dt'] = deltaActivityMillis();
+                queue.push(trace);
+                if (ts === null) ts = setTimeout(timer, 10000); // flush every 10 seconds
+                return this;
+            },
+            'flush': flush,
+            'addAndPurge': function (trace) {
+                var accumulatedTrace = queue;
+                queue = [];
+                trace['dt'] = deltaActivityMillis();
+                accumulatedTrace.push(trace);
+                if (ts !== null) {
+                    clearTimeout(ts);
+                    ts = null;
+                }
+                return accumulatedTrace;
+            }
+        };
+    };
+
+    codeq.on('init', function (args) {
+        codeq.tr.registerDictionary('robot', codeq.tr.emptyDictionary); // to make the translator happy, when this screen is not active
+    });
+
+    /**
+     * Creates a new handler for the given Prolog assignment definition.
+     *
+     * @param {PrologTaskDef} info
+     * @returns {{destroy: Function, processServerHints: Function}}
+     */
+    var createRobotHandler = function (problemDef, commonDef, currentSolution) {
+        var //problem = info.problem,
+            jqDescriptionContent = jqDescription.find('.description'),
+            jqEditor = jqCode.find('.code_editor'),
+            jqTerminal = jqConsole.find('.console'),
+            jqHints = jqInfo.find('.hints'),
+            editor = codeq.makeEditor(jqEditor[0], {
+                mode: 'python',
+                indentUnit: 4
+            }),
+            activityHandler = makeActivityHandler(editor, problemDef.id),
+            terminal = makeRobotTerminalHandler(jqTerminal, editor, problemDef.id, activityHandler),
+            hinter = codeq.makeHinter(jqHints, jqEditor, editor, 'robot_hints', problemDef, commonDef),
+            commError = function (error) {
+                alert(error);
+            };
+
+        codeq.tr.registerDictionary('robot', problemDef.translations);
+        codeq.tr.translateDom(jqScreen);
+        if (currentSolution) editor.setValue(currentSolution);
+        jqBtnPlan.prop('disabled', !hinter.hasNextPlan());
+
+        editor.on('change', function (instance, changeObj) {
+            var doc = editor.getDoc(),
+                pos = codeq.codePointCount(doc.getRange(firstCharacterPos, changeObj.from));
+
+            if (changeObj.removed) {
+                activityHandler.queueTrace({'typ': 'rm', 'off': pos, 'len': codeq.codePointCount(changeObj.removed.join(''))});
+            }
+
+            if (changeObj.text) {
+                activityHandler.queueTrace({'typ': 'ins', 'off': pos, 'txt': changeObj.text});
+            }
+        });
+
+        jqBtnPlan.on('click', function () {
+            if (!hinter.planNext()) {
+                jqBtnPlan.prop('disabled', true).blur();
+            }
+        });
+        jqBtnHint.on('click', function () {
+            var doc = editor.getDoc();
+            codeq.comms.sendHint({
+                'language': 'robot',
+                'program': editor.getDoc().getValue(),
+                'problem_id': problemDef.id
+            })
+            .then(function (data) {
+                if (data.code === 0) {
+                    hinter.handle(data.hints);
+                }
+                else {
+                    terminal.append('error: ' + data.message);
+                }
+            })
+            .fail(commError)
+            .done();
+        });
+        jqBtnRun.on('click', function () {
+            var url = 'http://' + $('#robot_ip').val() + ':8000/run',
+                doc = editor.getDoc();
+
+            $.ajax(url, {
+                method: 'POST',
+                data: JSON.stringify({program: doc.getValue()})
+            }).done(function (data) {
+                if (data.code === 0) {
+                    terminal.append('<run>\n', 'output');
+                }
+                else {
+                    terminal.append('error: ' + data.message + '\n');
+                }
+            }).fail(function (jqXHR, textStatus, err) {
+                commError('Could not access '+url);
+            });
+        });
+        jqBtnStop.on('click', function () {
+            var url = 'http://' + $('#robot_ip').val() + ':8000/stop';
+
+            $.ajax(url, {
+                method: 'POST'
+            }).done(function (data) {
+                if (data.code === 0) {
+                    terminal.append('<stop>\n', 'output');
+                }
+                else {
+                    terminal.append('error: ' + data.message + '\n');
+                }
+            }).fail(function (jqXHR, textStatus, err) {
+                commError('Could not access '+url);
+            });
+        });
+
+        return {
+            destroy: function () {
+                $('#screen_robot .title').text('');//empty the title text
+                jqAllButtons.off();
+                editor.off('change');
+                codeq.comms.off('terminal_output'); // stop listening for the terminal events from server
+                hinter.destroy();
+                terminal.destroy();
+                jqDescriptionContent.empty();
+                jqEditor.empty(); // TODO: perhaps you do not want to "free" the editor, just empty it
+                jqTerminal.empty(); // TODO: the same with the console
+                jqDescriptionContent = null;
+                jqEditor = null;
+                jqTerminal = null;
+                jqHints = null;
+                codeq.tr.registerDictionary('robot', codeq.tr.emptyDictionary);
+            }
+        };
+    };
+})();
-- 
cgit v1.2.1


From 8995341d43efe16f307b55f200821944cfecf4c8 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@araneo.org>
Date: Wed, 30 Sep 2015 16:47:55 +0200
Subject: Correctly access solution in user problem data

---
 js/codeq/problem.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/codeq/problem.js b/js/codeq/problem.js
index f6331b3..e3de85a 100644
--- a/js/codeq/problem.js
+++ b/js/codeq/problem.js
@@ -266,7 +266,7 @@
                         .spread(function (userProblemData, generalProblemData) {
                             if (userProblemData.code !== 0) throw new Error('Failed to obtain user problem data, code: ' + userProblemData.code + ', message: ' + userProblemData.message);
                             if (!generalProblemData) throw new Error('General problem data is not defined');
-                            codeq.globalStateMachine.transition(language, generalProblemData, data.commonDef, userProblemData.solution);
+                            codeq.globalStateMachine.transition(language, generalProblemData, data.commonDef, userProblemData.data.solution);
                         })
                     )
                     .fail(function (reason) {
@@ -382,4 +382,4 @@
             $('#navigation-problem').css('display', 'none').removeClass("active");
         }
     });
-})();
\ No newline at end of file
+})();
-- 
cgit v1.2.1


From 0da1117cfc28688633be7b8382aa60435bf740eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Wed, 30 Sep 2015 17:37:31 +0200
Subject: Implemented GUI translations via the data-tkey tag attribute and
 res/*.json files.

---
 index.html              | 38 ++++++++++++++---------------
 js/codeq/comms.js       | 14 +++++++----
 js/codeq/core.js        | 63 +++++++++++++++++++++++++++++++++++++++++++------
 js/codeq/translation.js | 10 ++++----
 res/en.json             | 15 ++++++++++++
 res/sl.json             | 15 ++++++++++++
 6 files changed, 120 insertions(+), 35 deletions(-)
 create mode 100644 res/en.json
 create mode 100644 res/sl.json

diff --git a/index.html b/index.html
index 1464528..042e59a 100644
--- a/index.html
+++ b/index.html
@@ -36,11 +36,11 @@
                 <!-- Collect the nav links, forms, and other content for toggling -->
                 <div class="collapse navbar-collapse">
                     <ul class="nav navbar-nav">
-                        <li style="display: none;" id="navigation-language"><a href="">Language</a></li>
-                        <li style="display: none;" id="navigation-problem"><a href="">Problem</a></li>
-                        <li style="display: none;" id="navigation-python"><a href="">Python</a></li>
-                        <li style="display: none;" id="navigation-prolog"><a href="">Prolog</a></li>
-                        <li style="display: none;" id="navigation-robot"><a href="">Robot</a></li>
+                        <li style="display: none;" id="navigation-language"><a href="" data-tkey="language">Language</a></li>
+                        <li style="display: none;" id="navigation-problem"><a href="" data-tkey="problem">Problem</a></li>
+                        <li style="display: none;" id="navigation-python"><a href="" data-tkey="python">Python</a></li>
+                        <li style="display: none;" id="navigation-prolog"><a href="" data-tkey="prolog">Prolog</a></li>
+                        <li style="display: none;" id="navigation-robot"><a href="" data-tkey="robot">Robot</a></li>
                     </ul>
                     <ul class="nav navbar-nav navbar-right">
                         <p class="navbar-text" id="signed-in-title"></p>
@@ -55,10 +55,10 @@
                                 <span class="glyphicon glyphicon glyphicon-user"></span>
                             </a>
                             <ul class="dropdown-menu">
-                                <li id="navigation-logout"><a href="#">Logout</a></li>
-                                <li id="navigation-profile"><a href="#">Profile</a></li>
+                                <li id="navigation-logout"><a href="#" data-tkey="logout">Logout</a></li>
+                                <li id="navigation-profile"><a href="#" data-tkey="profile">Profile</a></li>
                                 <li role="separator" class="divider"></li>
-                                <li><a href="#" data-toggle="modal" data-target="#modalChangePassword">Change password</a></li>
+                                <li><a href="#" data-toggle="modal" data-target="#modalChangePassword" data-tkey="change_pass">Change password</a></li>
                             </ul>
                         </li>
                         <li class="dropdown">
@@ -66,7 +66,7 @@
                             <div class="dropdown-menu" style="background-color: #fff">
                                 <form class="form col-sm-12">
                                     <div class="form-group">
-                                        <span class="small">Language</span>
+                                        <span class="small" data-tkey="language">Language</span>
                                         <a class="text-muted" data-container="body" data-toggle="popover" data-trigger="hover" data-placement="left" data-html="true" data-content="<span class='small'>Select the UI language.</span>" data-original-title="" title=""><i class="glyphicon glyphicon-question-sign"></i></a><br>
                                         <select class="form-control">
                                             <option value="sl">Slovensko</option>
@@ -75,7 +75,7 @@
                                         </select>
                                     </div>
                                     <div class="form-group">
-                                        <span class="small">
+                                        <span class="small" data-tkey="language">
                                             Language
                                         </span>
                                         <a class="text-muted" data-container="body" data-toggle="popover" data-trigger="hover" data-placement="left" data-html="true" data-content="<span class='small'>Select the UI language.</span>" data-original-title="" title=""><i class="glyphicon glyphicon-question-sign"></i></a><br>
@@ -165,9 +165,9 @@
                 <div class="col-lg-3 col-md-6 col-sm-12 block block2">
                     <nav class="navbar navbar-default">
                         <div class="container-fluid">
-                            <button type="button" class="btn btn-default navbar-btn btn-plan">Plan</button>
-                            <button type="button" class="btn btn-default navbar-btn btn-hint">Hint</button>
-                            <button type="button" class="btn btn-default navbar-btn btn-test">Test</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-plan" data-tkey="btn_plan">Plan</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-hint" data-tkey="btn_hint">Hint</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-test" data-tkey="btn_test">Test</button>
                         </div>
                     </nav>
                     <div class="code_editor"></div>
@@ -195,11 +195,11 @@
                 <div class="col-lg-3 col-md-6 col-sm-12 block block2">
                     <nav class="navbar navbar-default">
                         <div class="container-fluid">
-                            <button type="button" class="btn btn-default navbar-btn btn-plan">Plan</button>
-                            <button type="button" class="btn btn-default navbar-btn btn-hint">Hint</button>
-                            <button type="button" class="btn btn-default navbar-btn btn-test">Test</button>
-                            <button type="button" class="btn btn-default navbar-btn btn-run">Run</button>
-                            <button type="button" class="btn btn-default navbar-btn btn-stop">Stop</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-plan" data-tkey="btn_plan">Plan</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-hint" data-tkey="btn_hint">Hint</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-test" data-tkey="btn_test">Test</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-run" data-tkey="btn_run">Run</button>
+                            <button type="button" class="btn btn-default navbar-btn btn-stop" data-tkey="btn_stop">Stop</button>
                         </div>
                     </nav>
                     <div class="code_editor"></div>
@@ -253,7 +253,7 @@
             <h2>
                 Profile
                 <div class="btn-group btn-group-xs hidden-md pull-right">
-                    <a href="" data-toggle="modal" data-target="#modalChangePassword" class="btn btn-default">Change Password</a>
+                    <a href="" data-toggle="modal" data-target="#modalChangePassword" class="btn btn-default" data-tkey="change_pass">Change Password</a>
                     <a href="#" class="btn btn-default">Go back</a>
                 </div>
             </h2>
diff --git a/js/codeq/comms.js b/js/codeq/comms.js
index ecca6ff..f416e88 100644
--- a/js/codeq/comms.js
+++ b/js/codeq/comms.js
@@ -165,7 +165,6 @@
     // ================================================================================
 
     var languageCache = {}, // language defs, keyed by language identifier
-        problemCache = {}, // problem cache, 3-level, keyed by: language, problem group, and problem identifier
         ajaxGet = function (url) {
             return Q.Promise(function (resolve, reject, notify) {
                 $.ajax({
@@ -197,7 +196,7 @@
                 });
             });
         },
-        ajaxPrefix;
+        ajaxPrefix, ajaxDataPrefix, ajaxResPrefix;
 
     ajaxPrefix = location.pathname;
     if (!ajaxPrefix) ajaxPrefix = '/';
@@ -206,7 +205,8 @@
         ajaxPrefix[ajaxPrefix.length - 1] = '';
         ajaxPrefix = ajaxPrefix.join('/');
     }
-    ajaxPrefix = ajaxPrefix + 'data/';
+    ajaxDataPrefix = ajaxPrefix + 'data/';
+    ajaxResPrefix = ajaxPrefix + 'res/';
 
     // ================================================================================
     // This module's API methods
@@ -399,7 +399,7 @@
                     return Q(x);
                 }
             }
-            x = ajaxGet(ajaxPrefix + identifier + '/language.json').then(
+            x = ajaxGet(ajaxDataPrefix + identifier + '/language.json').then(
                 function getLanguageDefSuccess(data) {
                     languageCache[identifier] = data;
                     return data; // proxy further
@@ -414,7 +414,11 @@
         },
 
         'getProblemDef': function (language, group, problem) {
-            return ajaxGet(ajaxPrefix + language + '/' + group + '/' + problem + '/problem.json');
+            return ajaxGet(ajaxDataPrefix + language + '/' + group + '/' + problem + '/problem.json');
+        },
+
+        'getGuiTranslation': function (lang) {
+            return ajaxGet(ajaxResPrefix + lang + '.json');
         }
     };
 })();
diff --git a/js/codeq/core.js b/js/codeq/core.js
index 01382d1..29b497c 100644
--- a/js/codeq/core.js
+++ b/js/codeq/core.js
@@ -372,6 +372,49 @@
     // The boot sequence
     // ================================================================================
 
+    var loadGuiTranslations = function () {
+        var langs = codeq.availableLangs,
+            loaders = [],
+            loaderLangs = [],
+            i, lang;
+        for (i = langs.length - 1; i >= 0; i--) {
+            lang = langs[i];
+            loaders.push(codeq.comms.getGuiTranslation(lang));
+            loaderLangs.push(lang);
+        }
+        return Q.all(loaders)
+            .then(function (results) {
+                // convert translations into something that the translation module can use
+                var dictionary = {},
+                    i, json, key, lang, translations;
+                for (i = results.length - 1; i >= 0; i--) {
+                    json = results[i];
+                    lang = loaderLangs[i];
+                    for (key in json) {
+                        if (!json.hasOwnProperty(key)) continue;
+                        translations = dictionary[key];
+                        if (translations) translations[lang] = json[key];
+                        else {
+                            translations = {};
+                            dictionary[key] = translations;
+                            translations[lang] = json[key];
+                        }
+                    }
+                }
+                // ensure each key contains all translations
+                for (key in dictionary) {
+                    if (!dictionary.hasOwnProperty(key)) continue;
+                    translations = dictionary[key];
+                    for (i = langs.length - 1; i >= 0; i--) {
+                        lang = langs[i];
+                        if (!(lang in translations)) translations[lang] = "(Untranslated: " + lang + ")";
+                    }
+                }
+                // register with the system
+                codeq.tr.registerDictionary('gui', dictionary);
+            });
+    };
+
     $(document).ready(function () {
         // set the language
         var navigatorLang = navigator.language || navigator.browserLanguage, // language reported by browser
@@ -387,11 +430,17 @@
             codeq.availableLangs.push(key);
         }
 
-        codeq.fire('init'); // tell any interested modules that we are not initialized, perhaps they want to initialize too
-        codeq.setLang(lang || 'en'); // initial language setting
-        // go to login
-        codeq.globalStateMachine.transition('login');
-
-        //For performance reasons, the Tooltip and Popover data-apis are opt-in, meaning you must initialize them yourself.
-        $('[data-toggle="popover"]').popover()});
+        // the boot chain: must be a sequence of .then() terminated with .done()
+        loadGuiTranslations()
+            .then(function () {
+                codeq.fire('init'); // tell any interested modules that we are now initialized, perhaps they want to initialize too
+                codeq.setLang(lang || 'en'); // initial language setting, this also translates the GUI
+                // go to login
+                codeq.globalStateMachine.transition('login');
+
+                //For performance reasons, the Tooltip and Popover data-apis are opt-in, meaning you must initialize them yourself.
+                $('[data-toggle="popover"]').popover()
+            })
+            .done();
+    });
 })();
diff --git a/js/codeq/translation.js b/js/codeq/translation.js
index f33199d..67f49eb 100644
--- a/js/codeq/translation.js
+++ b/js/codeq/translation.js
@@ -2,7 +2,7 @@
 
     var dicts = {},
         translateElement = function (jqElt, lang) {
-            var dictionaryKey = jqElt.data('dict'),
+            var dictionaryKey = jqElt.data('dict') || 'gui',
                 translationKey = jqElt.data('tkey'),
                 dict = dicts[dictionaryKey],
                 translations, html, key;
@@ -43,7 +43,7 @@
             jqElt.html(html);
         },
         translateDocument = function (lang) {
-            $('.translatable').each(function () {
+            $('[data-tkey]').each(function () {
                 translateElement($(this), lang);
             });
         };
@@ -70,8 +70,10 @@
 
         'translateDom': function (jqTopElt) {
             var lang = codeq.getLang();
-            if (jqTopElt.hasClass('translatable')) translateElement(jqTopElt, lang);
-            jqTopElt.find('.translatable').each(function () {
+            jqTopElt.filter('[data-tkey]').each(function () {
+                translateElement(jqTopElt, lang)
+            });
+            jqTopElt.find('[data-tkey]').each(function () {
                 translateElement($(this), lang);
             });
         }
diff --git a/res/en.json b/res/en.json
new file mode 100644
index 0000000..5330cdc
--- /dev/null
+++ b/res/en.json
@@ -0,0 +1,15 @@
+{
+  "language": "Language",
+  "problem": "Problem",
+  "python": "Python",
+  "prolog": "Prolog",
+  "robot": "Robot",
+  "logout": "Logout",
+  "profile": "Profile",
+  "change_pass": "Change password",
+  "btn_plan": "Plan",
+  "btn_hint": "Hint",
+  "btn_test": "Test",
+  "btn_run": "Run",
+  "btn_stop": "Stop"
+}
\ No newline at end of file
diff --git a/res/sl.json b/res/sl.json
new file mode 100644
index 0000000..cdde4f4
--- /dev/null
+++ b/res/sl.json
@@ -0,0 +1,15 @@
+{
+  "language": "Jezik",
+  "problem": "Problem",
+  "python": "Python",
+  "prolog": "Prolog",
+  "robot": "Robot",
+  "logout": "Odjava",
+  "profile": "Profil",
+  "change_pass": "Zamenjaj geslo",
+  "btn_plan": "Plan",
+  "btn_hint": "Namig",
+  "btn_test": "Testiraj",
+  "btn_run": "Zaženi",
+  "btn_stop": "Ustavi"
+}
\ No newline at end of file
-- 
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