begin allOf support

gadget_json_generated_form.js

@@ -244,6 +244,51 @@
     return queue;
   }
 
+  function expandSchema(g, schema, schema_path) {
+    if (schema.$ref) {
+      return g.loadJSONSchema(schema.$ref, schema_path)
+        .push(function (schema_part) {
+          return schema_part;
+        });
+    }
+    return RSVP.Queue()
+      .push(function () {
+        return schema;
+      });
+  }
+
+  function allOf(g, schema_array, schema_path) {
+    return RSVP.Queue()
+      .push(function () {
+        var i,
+          arr = [];
+        for (i = 0; i < schema_array.length; i += 1) {
+          arr.push(expandSchema(g, schema_array[i], schema_path));
+        }
+        return RSVP.all(arr);
+      })
+      .push(function (arr) {
+        var i,
+          key,
+          next_schema,
+          schema = arr[0];
+        for (i = 1; i < arr.length; i += 1) {
+          next_schema = arr[i];
+          for (key in next_schema) {
+            if (next_schema.hasOwnProperty(key)) {
+              if (schema.hasOwnProperty(key)) {
+                // XXX need use many many rules for merging
+                schema[key] = next_schema[key];
+              } else {
+                schema[key] = next_schema[key];
+              }
+            }
+          }
+        }
+        return schema;
+      });
+  }
+
   function render_field(gadget, key, path, json_field, default_value, root, schema_path) {
     var div,
       label,
@@ -264,6 +309,13 @@
       json_field = getDocumentSchema(default_value);
     }
 
+    if (json_field.allOf !== undefined) {
+      return allOf(gadget, json_field.allOf, schema_path)
+        .push(function (schema_part) {
+          return render_field(gadget, key, path, schema_part, default_value, root, schema_path);
+        });
+    }
+
     if (json_field.$ref !== undefined) {
       return gadget.loadJSONSchema(json_field.$ref, schema_path)
         .push(function (schema_part) {