Input_viewSpreadsheet: allow to configure handsontable_options in action definition

dream/platform/src/dream/Input_viewSpreadsheet.js

-/*global rJS, RSVP, initGadgetMixin, loopEventListener */
-(function (window, rJS, RSVP, initGadgetMixin, loopEventListener) {
+/*global rJS, RSVP, initGadgetMixin, loopEventListener, $ */
+(function (window, rJS, RSVP, initGadgetMixin, loopEventListener, $) {
   "use strict";
 
   function saveSpreadsheet(evt) {
@@ -78,8 +78,6 @@
       if (options.action_definition.configuration.input_id){
         gadget.props.name = options.action_definition.configuration.input_id;
       }
-      gadget.props.configuration = options.action_definition.configuration;
-      
       return new RSVP.Queue()
         .push(function () {
           return RSVP.all([
@@ -92,18 +90,9 @@
         })
         .push(function (result_list) {
           var content,
-            result = JSON.parse(result_list[0]);
-
-          // if there are previously stored data in input for this sprSheet
-          if (result.input[gadget.props.name]) {
-            content = result.input[gadget.props.name];
-          } else {
-            content = options.action_definition.configuration.columns;
-          }
-          // application_configuration.input.view_???_spreasheet.configuration
-          return result_list[1].render(
-            JSON.stringify(content),
-            { minSpareRows: 1,
+            result = JSON.parse(result_list[0]),
+            handsontable_options = {
+              minSpareRows: 1,
               onChange: function () {
                 if (gadget.timeout) {
                   window.clearTimeout(gadget.timeout);
@@ -113,7 +102,18 @@
                   100
                 );
               }
-            }
+            };
+
+          // if there are previously stored data in input for this sprSheet
+          if (result.input[gadget.props.name]) {
+            content = result.input[gadget.props.name];
+          } else {
+            content = options.action_definition.configuration.columns;
+          }
+          $.extend(handsontable_options, options.action_definition.configuration.handsontable_options || {});
+          return result_list[1].render(
+            JSON.stringify(content),
+            handsontable_options
           );
         });
     })
@@ -128,4 +128,4 @@
           ]);
         });
     });
-}(window, rJS, RSVP, initGadgetMixin, loopEventListener));
+}(window, rJS, RSVP, initGadgetMixin, loopEventListener, $));