[Plot] Update stacked plots immediately

When changes to pan-zoom bounds are made in one
subplot, this will effect the pan-zoom bounds of
other subplots. Ensure this occurs immediately.
WTD-625.

platform/features/plot/res/templates/plot.html

@@ -63,7 +63,7 @@
                 <mct-chart draw="subplot.getDrawingObject()"
                            ng-mousemove="subplot.hover($event)"
                            ng-mousedown="subplot.startMarquee($event)"
-                           ng-mouseup="subplot.endMarquee($event)">
+                           ng-mouseup="subplot.endMarquee($event); plot.update()">
                 </mct-chart>
 
                 <!-- TODO: Move into correct position; make part of group; infer from set of actions -->

platform/features/plot/src/PlotController.js

@@ -90,6 +90,10 @@ define(
                 modeOptions.getModeHandler().plotTelemetry(prepared);
             }
 
+            function updateSubplot(subplot) {
+                subplot.update();
+            }
+
             function setupModes(telemetryObjects) {
                 modeOptions = new PlotModeOptions(telemetryObjects || []);
             }
@@ -159,6 +163,14 @@ define(
                  */
                 getSubPlots: function () {
                     return modeOptions.getModeHandler().getSubPlots();
+                },
+                /**
+                 * Explicitly update all plots.
+                 */
+                update: function () {
+                    modeOptions.getModeHandler()
+                        .getSubPlots()
+                        .forEach(updateSubplot);
                 }
 
             };

platform/features/plot/src/elements/PlotPanZoomStackGroup.js

@@ -63,15 +63,13 @@ define(
             return {
                 popPanZoom: popPanZoom,
                 clearPanZoom: clearPanZoom,
+                setBasePanZoom: setBasePanZoom,
                 getDepth: function () {
                     return stacks.length > 0 ?
                             stacks[0].getDepth() : 0;
                 },
                 getPanZoomStack: function (index) {
                     return decoratedStacks[index];
-                },
-                getPanZoomStacks: function () {
-                    return decoratedStacks;
                 }
             };
 

platform/features/plot/src/modes/PlotStackMode.js

@@ -37,12 +37,10 @@ define(
             function plotTelemetry(prepared) {
                 // Fit to the boundaries of the data, but don't
                 // override any user-initiated pan-zoom changes.
-                panZoomStackGroup.getPanZoomStacks().forEach(function (stack) {
+                panZoomStackGroup.setBasePanZoom(
-                    stack.setBasePanZoom(
                     prepared.getOrigin(),
                     prepared.getDimensions()
                 );
-                });
 
                 subplots.forEach(function (subplot, index) {
                     plotTelemetryTo(subplot, prepared, index);