Merge remote-tracking branch 'origin/open747' into open-master

platform/commonUI/general/src/controllers/SplitPaneController.js

@@ -0,0 +1,54 @@
+/*global define*/
+
+define(
+    [],
+    function () {
+        "use strict";
+
+        /**
+         * Controller for the splitter in Browse mode. Current implementation
+         * uses many hard-coded constants; this could be generalized.
+         * @constructor
+         */
+        function SplitPaneController() {
+            var minimum = 120,
+                maximum = 600,
+                current = 200,
+                start = 200;
+
+            return {
+                /**
+                 * Get the current position of the splitter, in pixels
+                 * from the left edge.
+                 * @returns {number} position of the splitter, in pixels
+                 */
+                state: function () {
+                    return current;
+                },
+                /**
+                 * Begin moving the splitter; this will note the splitter's
+                 * current position, which is necessary for correct
+                 * interpretation of deltas provided by mct-drag.
+                 */
+                startMove: function () {
+                    start = current;
+                },
+                /**
+                 * Move the splitter a number of pixels to the right
+                 * (negative numbers move the splitter to the left.)
+                 * This movement is relative to the position of the
+                 * splitter when startMove was last invoked.
+                 * @param {number} delta number of pixels to move
+                 */
+                move: function (delta) {
+                    current = Math.min(
+                        maximum,
+                        Math.max(minimum, start + delta)
+                    );
+                }
+            };
+        }
+
+        return SplitPaneController;
+    }
+);