[Plugins] Bring over timeline, clock plugins

WTD-1239

platform/features/clock/src/controllers/ClockController.js

@@ -0,0 +1,79 @@
+/*global define*/
+
+define(
+    ['moment'],
+    function (moment) {
+        "use strict";
+
+        /**
+         * Controller for views of a Clock domain object.
+         *
+         * @constructor
+         */
+        function ClockController($scope, tickerService) {
+            var text,
+                ampm,
+                use24,
+                lastTimestamp,
+                unlisten,
+                timeFormat;
+
+            function update() {
+                var m = moment.utc(lastTimestamp);
+                text = timeFormat && m.format(timeFormat);
+                ampm = m.format("A"); // Just the AM or PM part
+            }
+
+            function tick(timestamp) {
+                lastTimestamp = timestamp;
+                update();
+            }
+
+            function updateFormat(clockFormat) {
+                var baseFormat;
+
+                if (clockFormat !== undefined) {
+                    baseFormat = clockFormat[0];
+
+                    use24 = clockFormat[1] === 'clock24';
+                    timeFormat = use24 ?
+                            baseFormat.replace('hh', "HH") : baseFormat;
+
+                    update();
+                }
+            }
+            // Pull in the clock format from the domain object model
+            $scope.$watch('model.clockFormat', updateFormat);
+
+            // Listen for clock ticks ... and stop listening on destroy
+            unlisten = tickerService.listen(tick);
+            $scope.$on('$destroy', unlisten);
+
+            return {
+                /**
+                 * Get the clock's time zone, as displayable text.
+                 * @returns {string}
+                 */
+                zone: function () {
+                    return "UTC";
+                },
+                /**
+                 * Get the current time, as displayable text.
+                 * @returns {string}
+                 */
+                text: function () {
+                    return text;
+                },
+                /**
+                 * Get the text to display to qualify a time as AM or PM.
+                 * @returns {string}
+                 */
+                ampm: function () {
+                    return use24 ? '' : ampm;
+                }
+            };
+        }
+
+        return ClockController;
+    }
+);