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refactored JavaScript code not to use inline Ruby evaluation

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This commit is contained in:
Hauke Klement
2015-03-12 09:13:38 +01:00
parent ca7679cb2d
commit f1de18141a
3 changed files with 25 additions and 11 deletions
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25
app/assets/javascripts/exercises.js.erb → app/assets/javascripts/exercises.js
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@@ -1,9 +1,10 @@
$(function() {
var ACE_FILES_PATH = '/assets/ace/';
var EXECUTION_ENVIRONMENTS = <%= ExecutionEnvironment.where('file_type_id IS NOT NULL').select(:file_type_id, :id).to_json %>;
var FILE_TYPES = <%= FileType.where('file_extension IS NOT NULL').map { |file_type| [file_type.file_extension, file_type.id] }.to_h.to_json %>;
var TAB_KEY_CODE = 9;
var execution_environments;
var file_types;
var addFileForm = function(event) {
event.preventDefault();
var element = $('#dummies').children().first().clone();
@@ -27,10 +28,16 @@ $(function() {
});
};
var findFileTypeByFileExtension = function(file_extension) {
return _.find(file_types, function(file_type) {
return file_type.file_extension === file_extension;
}) || {};
};
var getSelectedExecutionEnvironment = function() {
return _.find(EXECUTION_ENVIRONMENTS, function(execution_environment) {
return _.find(execution_environments, function(execution_environment) {
return execution_environment.id === parseInt($('#exercise_execution_environment_id').val());
}, this);
});
};
var highlightCode = function() {
@@ -42,10 +49,12 @@ $(function() {
var inferFileAttributes = function() {
$(document).on('change', 'input[type="file"]', function(event) {
var filename = $(this).val().split(/\\|\//g).pop();
var file_type_id = FILE_TYPES['.' + filename.split('.')[1]];
var file_extension = '.' + filename.split('.')[1];
var file_type = findFileTypeByFileExtension(file_extension);
var name = filename.split('.')[0];
var parent = $(this).parents('li');
parent.find('input[name*="name"]').val(filename.split('.')[0]);
parent.find('select[name*="file_type_id"]').val(file_type_id).trigger('chosen:updated');
parent.find('input[name*="name"]').val(name);
parent.find('select[name*="file_type_id"]').val(file_type.id).trigger('chosen:updated');
});
};
@@ -85,6 +94,8 @@ $(function() {
if ($.isController('exercises')) {
if ($('.edit_exercise, .new_exercise').isPresent()) {
execution_environments = $('form').data('execution-environments');
file_types = $('form').data('file-types');
new MarkdownEditor('#exercise_instructions');
enableInlineFileCreation();
inferFileAttributes();