updated drupal core to 7.51

misc/ajax.js

@@ -476,7 +476,7 @@ Drupal.ajax.prototype.getEffect = function (response) {
  * Handler for the form redirection error.
  */
 Drupal.ajax.prototype.error = function (xmlhttprequest, uri, customMessage) {
-  alert(Drupal.ajaxError(xmlhttprequest, uri, customMessage));
+  Drupal.displayAjaxError(Drupal.ajaxError(xmlhttprequest, uri, customMessage));
   // Remove the progress element.
   if (this.progress.element) {
     $(this.progress.element).remove();

misc/autocomplete.js

@@ -310,7 +310,7 @@ Drupal.ACDB.prototype.search = function (searchString) {
         }
       },
       error: function (xmlhttp) {
-        alert(Drupal.ajaxError(xmlhttp, db.uri));
+        Drupal.displayAjaxError(Drupal.ajaxError(xmlhttp, db.uri));
       }
     });
   }, this.delay);

misc/drupal.js

@@ -413,6 +413,29 @@ Drupal.getSelection = function (element) {
   return { 'start': element.selectionStart, 'end': element.selectionEnd };
 };
 
+/**
+ * Add a global variable which determines if the window is being unloaded.
+ *
+ * This is primarily used by Drupal.displayAjaxError().
+ */
+Drupal.beforeUnloadCalled = false;
+$(window).bind('beforeunload pagehide', function () {
+    Drupal.beforeUnloadCalled = true;
+});
+
+/**
+ * Displays a JavaScript error from an Ajax response when appropriate to do so.
+ */
+Drupal.displayAjaxError = function (message) {
+  // Skip displaying the message if the user deliberately aborted (for example,
+  // by reloading the page or navigating to a different page) while the Ajax
+  // request was still ongoing. See, for example, the discussion at
+  // http://stackoverflow.com/questions/699941/handle-ajax-error-when-a-user-clicks-refresh.
+  if (!Drupal.beforeUnloadCalled) {
+    alert(message);
+  }
+};
+
 /**
  * Build an error message from an Ajax response.
  */

misc/tabledrag.js

@@ -106,8 +106,10 @@ Drupal.tableDrag = function (table, tableSettings) {
 
   // Add mouse bindings to the document. The self variable is passed along
   // as event handlers do not have direct access to the tableDrag object.
-  $(document).bind('mousemove', function (event) { return self.dragRow(event, self); });
-  $(document).bind('mouseup', function (event) { return self.dropRow(event, self); });
+  $(document).bind('mousemove pointermove', function (event) { return self.dragRow(event, self); });
+  $(document).bind('mouseup pointerup', function (event) { return self.dropRow(event, self); });
+  $(document).bind('touchmove', function (event) { return self.dragRow(event.originalEvent.touches[0], self); });
+  $(document).bind('touchend', function (event) { return self.dropRow(event.originalEvent.touches[0], self); });
 };
 
 /**
@@ -274,7 +276,10 @@ Drupal.tableDrag.prototype.makeDraggable = function (item) {
   });
 
   // Add the mousedown action for the handle.
-  handle.mousedown(function (event) {
+  handle.bind('mousedown touchstart pointerdown', function (event) {
+    if (event.originalEvent.type == "touchstart") {
+      event = event.originalEvent.touches[0];
+    }
     // Create a new dragObject recording the event information.
     self.dragObject = {};
     self.dragObject.initMouseOffset = self.getMouseOffset(item, event);