Support of fast buttons in DABC server and web browser

git-svn-id: https://subversion.gsi.de/dabc/trunk/plugins/root/js@2700 bcbf6573-9a26-0410-9ebc-ce4ab7aade96

Author: linev

scripts/JSRootCore.js

@@ -153,7 +153,7 @@
       return dflt;
    }
 
-   JSROOT.NewHttpRequest = function(url, kind, callback) {
+   JSROOT.NewHttpRequest = function(url, kind, user_call_back) {
       // Create asynchronous XMLHttpRequest object.
       // One should call req.send() to submit request
       // kind of the request can be:
@@ -164,6 +164,11 @@
       //  "head" - returns request itself, uses "HEAD" method
       // Result will be returned to the callback functions
       // If failed, request returns null
+      
+      function callback(res) {
+         if (typeof user_call_back == 'function') user_call_back(res);
+      }
+      
       var xhr = new XMLHttpRequest();
 
 //      if (typeof ActiveXObject == "function") {

scripts/JSRootPainter.js

@@ -7446,31 +7446,27 @@
       }
    }
 
-   JSROOT.HierarchyPainter.prototype.OpenOnline = function(server_address,
-         user_callback) {
-      if (!server_address)
-         server_address = "";
+   JSROOT.HierarchyPainter.prototype.OpenOnline = function(server_address, user_callback) {
+      if (!server_address) server_address = "";
 
       var painter = this;
 
-      var req = JSROOT.NewHttpRequest(server_address + "h.json?compact=3",
-            'object', function(result) {
-               painter.h = result;
-               if (painter.h == null)
-                  return;
+      var req = JSROOT.NewHttpRequest(server_address + "h.json?compact=3", 'object', function(result) {
+         painter.h = result;
+         if (painter.h == null) return;
 
-               // mark top hierarchy as online data and
-               painter.h['_online'] = server_address;
+         // mark top hierarchy as online data and
+         painter.h['_online'] = server_address;
 
-               painter.AddOnlineMethods(painter.h);
+         painter.AddOnlineMethods(painter.h);
 
-               if (painter.h != null)
-                  painter.RefreshHtml(true);
+         if (painter.h != null)
+            painter.RefreshHtml(true);
 
-               if (typeof user_callback == 'function')
-                  user_callback(painter);
+         if (typeof user_callback == 'function')
+            user_callback(painter);
 
-            });
+      });
 
       req.send(null);
    }