make code better understandable

gadget_json_generated_form.js

@@ -601,17 +601,17 @@
       });
   }
 
-  function render_array(gadget, json_field, default_array, root, path, schema_path) {
+  function render_array(gadget, schema, json_document, root, path, schema_path) {
     var queue = RSVP.Queue(),
       div,
       div_input,
       input,
       item_schema,
       i,
-      maxItems = json_field.maxItems;
+      maxItems = schema.maxItems;
     div = document.createElement("div");
     div.setAttribute("class", "subfield");
-    div.title = json_field.description;
+    div.title = schema.description;
 
     div_input = document.createElement("div");
     div_input.setAttribute("class", "input");
@@ -622,7 +622,7 @@
       }
     }
 
-    item_schema = json_field.items;
+    item_schema = schema.items;
     queue
       .push(function () {
         return expandSchema(gadget, item_schema, schema_path + '/items');
@@ -643,15 +643,15 @@
       .push(function (element) {
         input = element;
         // XXX update on every add/delete item
-        input.hidden = maxItems !== undefined && default_array.length >= maxItems;
+        input.hidden = maxItems !== undefined && json_document.length >= maxItems;
         div_input.appendChild(input);
         div.appendChild(div_input);
         root.appendChild(div);
       });
 
     // XXX rewrite loading document for anyOf schema
-    if (default_array) {
-      for (i = 0; i < default_array.length; i = i + 1) {
+    if (json_document) {
+      for (i = 0; i < json_document.length; i = i + 1) {
         queue
           .push(
             addSubForm.bind(gadget, {
@@ -659,14 +659,14 @@
               parent_type: 'array',
               schema_path: schema_path + '/items',
               schema_part: item_schema,
-              default_dict: default_array[i]
+              default_dict: json_document[i]
             })
           )
           .push(element_append);
       }
     }
-    // XXX add failback rendering if default_array not array
-    // input = render_textarea(json_field, default_value, "array");
+    // XXX add failback rendering if json_document not array
+    // input = render_textarea(schema, default_value, "array");
     return queue;
   }