fill in layoutArrayContainer via Register

- instead of relying on a hard-coded list

Author: etpinard

src/plot_api/register.js

@@ -89,5 +89,9 @@ function registerTransformModule(newModule) {
 }
 
 function registerComponentModule(newModule) {
-    Registry.componentsRegistry[newModule.name] = newModule;
+    if(typeof newModule.name !== 'string') {
+        throw new Error('Component module *name* must be a string.');
+    }
+
+    Registry.registerComponent(newModule);
 }

src/plots/plots.js

@@ -1614,7 +1614,7 @@ plots.extendObjectWithContainers = function(dest, src, containerPaths) {
 };
 
 plots.dataArrayContainers = ['transforms'];
-plots.layoutArrayContainers = ['annotations', 'shapes', 'images', 'sliders', 'updatemenus'];
+plots.layoutArrayContainers = Registry.layoutArrayContainers;
 
 /*
  * Extend a trace definition. This method:

src/registry.js

@@ -13,11 +13,12 @@ var Lib = require('./lib');
 var basePlotAttributes = require('./plots/attributes');
 
 exports.modules = {};
-exports.allTypes = [];
 exports.allCategories = {};
+exports.allTypes = [];
 exports.subplotsRegistry = {};
 exports.transformsRegistry = {};
 exports.componentsRegistry = {};
+exports.layoutArrayContainers = [];
 
 /**
  * register a module as the handler for a trace type
@@ -83,6 +84,16 @@ exports.registerSubplot = function(_module) {
     exports.subplotsRegistry[plotType] = _module;
 };
 
+exports.registerComponent = function(_module) {
+    var name = _module.name;
+
+    exports.componentsRegistry[name] = _module;
+
+    if(_module.layoutAttributes && _module.layoutAttributes._isLinkedToArray) {
+        Lib.pushUnique(exports.layoutArrayContainers, name);
+    }
+};
+
 /**
  * Get registered module using trace object or trace type
  *