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Diffstat (limited to 'js/codeq/language.js')
| -rw-r--r-- | js/codeq/language.js | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/js/codeq/language.js b/js/codeq/language.js new file mode 100644 index 0000000..78fa83a --- /dev/null +++ b/js/codeq/language.js @@ -0,0 +1,101 @@ +/** + * Created by robert on 9/18/15. + */ + +(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(); + }, + 'exit' : function(){ + $('#problem_group').off(); + $("#submit_problem").off(); + $("#problem_group option").remove();//empty the selects + $("#problems option").remove(); + $("#screen_language").css('display', 'none'); + } + }); +})();
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