From 9113815d16d38373b378c6d34000a75f019b219f Mon Sep 17 00:00:00 2001
From: Robert Zorko <robertz@gurucue.com>
Date: Fri, 18 Sep 2015 18:51:15 +0200
Subject: split the selection of the language and the selection of the problem
 into two seperate screens (this update also required some changes at the
 codeq-server, so that one needs to be up to date as well for this to work)

---
 js/codeq/language.js | 94 ++++------------------------------------------------
 1 file changed, 6 insertions(+), 88 deletions(-)

(limited to 'js/codeq/language.js')

diff --git a/js/codeq/language.js b/js/codeq/language.js
index 78fa83a..2864098 100644
--- a/js/codeq/language.js
+++ b/js/codeq/language.js
@@ -5,97 +5,15 @@
 (function(){
     codeq.globalStateMachine.register('language',{
         'enter': function(){
-            $('#disabled').css('display', '');
-            $('#disabled').css('cursor', 'wait');
-            codeq.comms.send({'action': 'list_problems'})//currently problem list and the actual login are still in the same state
-                .then(
-                function success(data) {
-                    var i, groups, group, problems, problem, first_group,
-                        jqGroup = $('#problem_group'),
-                        jqProblems = $('#problems'),
-                        html = [],
-                        mapping = {},
-                        onGroupChange = function () {
-                            var problems = mapping[jqGroup.val()],
-                                html = [],
-                                i, p;
-                            if (problems) {
-                                for (i = 0; i < problems.length; i++) {
-                                    p = problems[i];
-                                    html.push('<option value="', p.identifier, '">', p.name, '</option>\n')
-                                }
-                            }
-                            jqProblems.html(html.join(''));
-                        };
-
-                    if (data && (data.code === 0)) {
-                        $('#disabled').css('display', 'none');
-                        groups = data.problems;
-                        for (i = 0; i < groups.length; i++) {
-                            group = groups[i];
-                            var identifier = group.identifier.language + '/' + group.identifier.group;
-                            var name = group.name.language + ': ' + group.name.group;
-                            html.push('<option value="', identifier, '">', name, '</option>\n');
-                            mapping[identifier] = group.problems;
-                        }
-                        jqGroup.html(html.join(''));
-                        first_group = html[1];
-                        html = null;
-
-                        jqGroup.on('click', onGroupChange);
-                        jqGroup.val(first_group);
-                        onGroupChange();
-
-                        $("#submit_problem").on('click', function(){
-                            var identifier = $('#problem_group').val().split('/'),
-                                problem = $('#problems').val();
-                            if (identifier.length < 2) alert('Choose a problem group');
-                            else if (!problem) alert('Choose a problem');
-                            else {
-                                $('#disabled').css('display', '');
-                                codeq.comms.getProblem(identifier[0], identifier[1], problem)
-                                    .then(function (data) {
-                                        if (data.code !== 0) throw new Error('Failed to obtain problem data, code: ' + data.code + ', message: ' + data.message);
-                                        $('#disabled').css('display', 'none');
-                                        switch (identifier[0]) {
-                                            case 'prolog':
-                                                codeq.globalStateMachine.transition('prolog', data);
-                                                break;
-                                            case 'python':
-                                                codeq.globalStateMachine.transition('python', data);
-                                                break;
-                                            default:
-                                                alert('Unknown language: ' + identifier[0]);
-                                                break;
-                                        }
-                                    })
-                                    .fail(function (reason) {
-                                        $('#disabled').css('display', 'none');
-                                        alert('Login request failed: ' + reason);
-                                    })
-                                    .done();
-                            }
-                        });
-                        $('#screen_language').css('display', '');
-                    }
-                    else {
-                        $('#disabled').css('cursor', '');
-                        alert('Obtaining list of problems failed: code=' + data.code + ', reason=' + data.message);
-                    }
-                },
-
-                function failure(reason) {
-                    $('#disabled').css('cursor', '');
-                    alert('Request to obtain list of problems failed: ' + reason);
-                }
-            ).done();
+            $("#screen_language").css('display', '');
+            $('#submit_language').on('click',function(){
+                codeq.globalStateMachine.transition('problem',$('#language').val());
+            });
         },
         'exit' : function(){
-            $('#problem_group').off();
-            $("#submit_problem").off();
-            $("#problem_group option").remove();//empty the selects
-            $("#problems option").remove();
+            $("#submit_language").off();
             $("#screen_language").css('display', 'none');
+            $('#language').val("prolog");//reset to the default value
         }
     });
 })();
\ No newline at end of file
-- 
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