1 files changed, 119 insertions, 0 deletions
diff --git a/vendor/assets/javascripts/task_list.js b/vendor/assets/javascripts/task_list.js
new file mode 100644
index 00000000000..bc451506b6a
--- /dev/null
+++ b/vendor/assets/javascripts/task_list.js
@@ -0,0 +1,119 @@
+
+/*= provides tasklist:enabled */
+
+
+/*= provides tasklist:disabled */
+
+
+/*= provides tasklist:change */
+
+
+/*= provides tasklist:changed */
+
+(function() {
+  var codeFencesPattern, complete, completePattern, disableTaskList, disableTaskLists, enableTaskList, enableTaskLists, escapePattern, incomplete, incompletePattern, itemPattern, itemsInParasPattern, updateTaskList, updateTaskListItem,
+    indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
+
+  incomplete = "[ ]";
+
+  complete = "[x]";
+
+  escapePattern = function(str) {
+    return str.replace(/([\[\]])/g, "\\$1").replace(/\s/, "\\s").replace("x", "[xX]");
+  };
+
+  incompletePattern = RegExp("" + (escapePattern(incomplete)));
+
+  completePattern = RegExp("" + (escapePattern(complete)));
+
+  itemPattern = RegExp("^(?:\\s*(?:>\\s*)*(?:[-+*]|(?:\\d+\\.)))\\s*(" + (escapePattern(complete)) + "|" + (escapePattern(incomplete)) + ")\\s+(?!\\(.*?\\))(?=(?:\\[.*?\\]\\s*(?:\\[.*?\\]|\\(.*?\\))\\s*)*(?:[^\\[]|$))");
+
+  codeFencesPattern = /^`{3}(?:\s*\w+)?[\S\s].*[\S\s]^`{3}$/mg;
+
+  itemsInParasPattern = RegExp("^(" + (escapePattern(complete)) + "|" + (escapePattern(incomplete)) + ").+$", "g");
+
+  updateTaskListItem = function(source, itemIndex, checked) {
+    var clean, index, line, result;
+    clean = source.replace(/\r/g, '').replace(codeFencesPattern, '').replace(itemsInParasPattern, '').split("\n");
+    index = 0;
+    result = (function() {
+      var i, len, ref, results;
+      ref = source.split("\n");
+      results = [];
+      for (i = 0, len = ref.length; i < len; i++) {
+        line = ref[i];
+        if (indexOf.call(clean, line) >= 0 && line.match(itemPattern)) {
+          index += 1;
+          if (index === itemIndex) {
+            line = checked ? line.replace(incompletePattern, complete) : line.replace(completePattern, incomplete);
+          }
+        }
+        results.push(line);
+      }
+      return results;
+    })();
+    return result.join("\n");
+  };
+
+  updateTaskList = function($item) {
+    var $container, $field, checked, event, index;
+    $container = $item.closest('.js-task-list-container');
+    $field = $container.find('.js-task-list-field');
+    index = 1 + $container.find('.task-list-item-checkbox').index($item);
+    checked = $item.prop('checked');
+    event = $.Event('tasklist:change');
+    $field.trigger(event, [index, checked]);
+    if (!event.isDefaultPrevented()) {
+      $field.val(updateTaskListItem($field.val(), index, checked));
+      $field.trigger('change');
+      return $field.trigger('tasklist:changed', [index, checked]);
+    }
+  };
+
+  $(document).on('change', '.task-list-item-checkbox', function() {
+    return updateTaskList($(this));
+  });
+
+  enableTaskList = function($container) {
+    if ($container.find('.js-task-list-field').length > 0) {
+      $container.find('.task-list-item').addClass('enabled').find('.task-list-item-checkbox').attr('disabled', null);
+      return $container.addClass('is-task-list-enabled').trigger('tasklist:enabled');
+    }
+  };
+
+  enableTaskLists = function($containers) {
+    var container, i, len, results;
+    results = [];
+    for (i = 0, len = $containers.length; i < len; i++) {
+      container = $containers[i];
+      results.push(enableTaskList($(container)));
+    }
+    return results;
+  };
+
+  disableTaskList = function($container) {
+    $container.find('.task-list-item').removeClass('enabled').find('.task-list-item-checkbox').attr('disabled', 'disabled');
+    return $container.removeClass('is-task-list-enabled').trigger('tasklist:disabled');
+  };
+
+  disableTaskLists = function($containers) {
+    var container, i, len, results;
+    results = [];
+    for (i = 0, len = $containers.length; i < len; i++) {
+      container = $containers[i];
+      results.push(disableTaskList($(container)));
+    }
+    return results;
+  };
+
+  $.fn.taskList = function(method) {
+    var $container, methods;
+    $container = $(this).closest('.js-task-list-container');
+    methods = {
+      enable: enableTaskLists,
+      disable: disableTaskLists
+    };
+    return methods[method || 'enable']($container);
+  };
+
+}).call(this);