[Plugins] Bring over timeline, clock plugins

WTD-1239
2015-09-14 16:45:38 -07:00
parent 8c1b70f085
commit c932e953bc
119 changed files with 10485 additions and 0 deletions
--- a/platform/features/timeline/src/controllers/drag/TimelineStartHandle.js
+++ b/platform/features/timeline/src/controllers/drag/TimelineStartHandle.js
@@ -0,0 +1,77 @@
+/*global define*/
+
+define(
+    ['../../TimelineConstants'],
+    function (Constants) {
+        "use strict";
+
+        /**
+         * Handle for changing the start time of a timeline or
+         * activity in the Timeline view.
+         * @constructor
+         * @param {string} id identifier of the domain object
+         * @param {TimelineDragHandler} dragHandler the handler which
+         *        will update object state
+         * @param {TimelineSnapHandler} snapHandler the handler which
+         *        provides candidate snap-to locations.
+         */
+        function TimelineStartHandle(id, dragHandler, snapHandler) {
+            var initialStart;
+
+            // Get the snap-to location for a timestamp
+            function snap(timestamp, zoom) {
+                return snapHandler.snap(
+                    timestamp,
+                    zoom.toMillis(Constants.SNAP_WIDTH),
+                    id
+                );
+            }
+
+            return {
+                /**
+                 * Start dragging this handle.
+                 */
+                begin: function () {
+                    // Cache the initial state
+                    initialStart = dragHandler.start(id);
+                },
+                /**
+                 * Drag this handle.
+                 * @param {number} delta pixel delta from start
+                 * @param {TimelineZoomController} zoom provider of zoom state
+                 */
+                drag: function (delta, zoom) {
+                    if (initialStart !== undefined) {
+                        // Update the state
+                        dragHandler.start(
+                            id,
+                            snap(initialStart + zoom.toMillis(delta), zoom)
+                        );
+                    }
+                },
+                /**
+                 * Finish dragging this handle.
+                 */
+                finish: function () {
+                    // Clear initial state
+                    initialStart = undefined;
+                    // Persist changes
+                    dragHandler.persist();
+                },
+                /**
+                 * Get a style object (suitable for passing into `ng-style`)
+                 * for this handle.
+                 * @param {TimelineZoomController} zoom provider of zoom state
+                 */
+                style: function (zoom) {
+                    return {
+                        left: zoom.toPixels(dragHandler.start(id)) + 'px',
+                        width: Constants.HANDLE_WIDTH + 'px'
+                    };
+                }
+            };
+        }
+
+        return TimelineStartHandle;
+    }
+);