86 lines
2.6 KiB
JavaScript
86 lines
2.6 KiB
JavaScript
$(function() {
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var ACE_FILES_PATH = '/assets/ace/';
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var TAB_KEY_CODE = 9;
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var addFileForm = function(event) {
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event.preventDefault();
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var element = $('#dummies').children().first().clone();
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var html = $('<div>').append(element).html().replace(/index/g, new Date().getTime());
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$('#files').append(html);
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$('#files select').chosen({
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disable_search_threshold: 5,
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search_contains: true
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});
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$('body, html').scrollTo('#add-file');
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};
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var enableInlineFileCreation = function() {
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$('#add-file').on('click', addFileForm);
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$('form.edit_exercise, form.new_exercise').on('submit', function() {
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$('#dummies').html('');
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});
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};
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var highlightCode = function() {
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$('pre code').each(function(index, element) {
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hljs.highlightBlock(element);
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});
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};
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var inferFileAttributes = function() {
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$(document).on('change', 'input[type="file"]', function(event) {
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var filename = $(this).val().split(/\\|\//g).pop();
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var parent = $(this).parents('li');
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parent.find('input[type="text"]').first().val(filename.split('.')[0]);
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});
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};
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var insertTabAtCursor = function(textarea) {
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var selection_start = textarea.get(0).selectionStart;
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var selection_end = textarea.get(0).selectionEnd;
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textarea.val(textarea.val().substring(0, selection_start) + "\t" + textarea.val().substring(selection_end));
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textarea.get(0).selectionStart = selection_start + 1;
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textarea.get(0).selectionEnd = selection_start + 1;
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};
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var observeFileRoleChanges = function() {
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$(document).on('change', 'select[name$="[role]"]', function() {
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var is_test_file = $(this).val() === 'teacher_defined_test';
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var parent = $(this).parents('.panel');
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parent.find('[name$="[feedback_message]"]').attr('disabled', !is_test_file);
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parent.find('[name$="[weight]"]').attr('disabled', !is_test_file);
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});
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};
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var overrideTextareaTabBehavior = function() {
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$('.form-group textarea').on('keydown', function(event) {
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if (event.which === TAB_KEY_CODE) {
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event.preventDefault();
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insertTabAtCursor($(this));
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}
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});
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};
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var toggleCodeHeight = function() {
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$('code').on('click', function() {
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$(this).css({
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'max-height': 'initial'
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})
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});
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};
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if ($.isController('exercises')) {
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if ($('.edit_exercise, .new_exercise').isPresent()) {
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new MarkdownEditor('#exercise_instructions');
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enableInlineFileCreation();
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inferFileAttributes();
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observeFileRoleChanges();
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overrideTextareaTabBehavior();
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}
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toggleCodeHeight();
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if (window.hljs) {
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highlightCode();
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}
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}
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});
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