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[core] Add ko binding that delays overflow

When this binding is added to an element the overflow is hidden until the mouse has been in the element for .5 second. When scrolling through a long page, with multiple fixed height elements, this prevents the scrolling from getting stuck.
Johan Ahlen 10 years ago
parent
commit
725cd3b598
1 changed files with 17 additions and 0 deletions
  1. 17 0
      desktop/core/src/desktop/static/desktop/js/ko.hue-bindings.js

+ 17 - 0
desktop/core/src/desktop/static/desktop/js/ko.hue-bindings.js

@@ -1625,6 +1625,23 @@ ko.toCleanJSON = function (koObj) {
 }
 
 
+ko.bindingHandlers.delayedOverflow = {
+  init: function (element) {
+    var $element = $(element);
+    $element.css("overflow", "hidden");
+
+    var scrollTimeout = -1;
+    $element.hover(function() {
+      scrollTimeout = window.setTimeout(function() {
+        $element.css("overflow", "auto");
+      }, 500);
+    }, function() {
+      clearTimeout(scrollTimeout);
+      $element.css("overflow", "hidden");
+    });
+  }
+};
+
 ko.bindingHandlers.aceEditor = {
   init: function (element, valueAccessor) {
     var $el = $(element);