fix expanding schema if used predownloaded schema

jsonform.gadget.js

@@ -186,22 +186,17 @@
       url,
       download_url,
       hash,
-      schema_url_map,
+      mapped_schema,
       queue;
     // XXX need use `id` property
     if (!path) {
       path = "/";
     }
     url = convertUrlToAbsolute(g, path, $ref, window.location);
-    download_url = url.origin + url.pathname;
-    schema_url_map = {
-      "http://json-schema.org/draft-04/schema": "json-schema/schema4.json",
-      "http://json-schema.org/draft-06/schema": "json-schema/schema6.json",
-      "http://json-schema.org/draft-07/schema": "json-schema/schema7.json",
-      "http://json-schema.org/schema": "json-schema/schema7.json"
-    };
-    if (schema_url_map.hasOwnProperty(download_url)) {
-      url = new URL(schema_url_map[download_url], g.__path);
+    download_url = url.origin + url.pathname + url.search;
+    mapped_schema = g.props.schemas[download_url];
+    if (typeof mapped_schema === "string") {
+      url = new URL(mapped_schema, g.__path);
     }
     protocol = url.protocol;
     if (protocol === "http:" || protocol === "https:") {
@@ -210,10 +205,15 @@
         // throw new Error("You cannot mixed http and https calls");
       }
     }
-    download_url = url.origin + url.pathname;
+    download_url = url.origin + url.pathname + url.search;
     hash = url.hash;
     url = url.href;
-    if (download_url.startsWith("urn:jio:")) {
+    if (typeof mapped_schema === "object") {
+      queue = RSVP.Queue()
+        .push(function () {
+          return mapped_schema;
+        });
+    } else if (download_url.startsWith("urn:jio:")) {
       queue = RSVP.Queue()
         .push(function () {
           return g.downloadJSON(download_url);
@@ -567,6 +567,12 @@
       // it's need for schema uri computation
       g.props.schema = {};
       g.props.schema_map = {};
+      g.props.schemas = {
+        "http://json-schema.org/draft-04/schema": "json-schema/schema4.json",
+        "http://json-schema.org/draft-06/schema": "json-schema/schema6.json",
+        "http://json-schema.org/draft-07/schema": "json-schema/schema7.json",
+        "http://json-schema.org/schema": "json-schema/schema7.json"
+      };
       // schema_required_urls[path] = [
       // stack required urls, on every unrequired field stack begining from []
       // "url1",
@@ -590,14 +596,28 @@
           }
         })
         .push(function () {
-          if (schema) {
-            return schema;
+          var schema_url,
+            queue;
+          if (schema !== undefined) {
+            schema_url = g.state.schema_url ||
+                  schema.$id ||
+                  schema.id ||
+                  window.location.toString();
+            g.props.schema[""] = schema;
+            g.props.schema_map["/"] = schema_url;
+            g.props.schemas[schema_url] = schema;
+            queue = expandSchemaForField(g, schema, "/", true);
+          } else {
+            schema_url = g.state.schema_url ||
+                         (json_document && json_document.$schema);
+            if (schema_url) {
+              queue = loadJSONSchema(g, schema_url);
+            }
           }
-          var schema_url = g.state.schema_url ||
-            (json_document && json_document.$schema);
-          if (schema_url) {
-            return loadJSONSchema(g, schema_url)
+          if (queue) {
+            return queue
               .push(function (schema_arr) {
+                // XXX for root of form use first schema selection
                 return schema_arr[0].schema;
               });
           }