9 年之前 · ba4c7957e4
--- a/app/assets/javascripts/blazer/application.js
+++ b/app/assets/javascripts/blazer/application.js
@@ -22,4 +22,34 @@ $( function () {
 
															   $('.dropdown-toggle').mouseenter( function () {
														
 
															     $(this).parent().addClass('open');
														
 
															   });
														
 
															+
														
 
															+  // Prevent backspace from navigating backwards.
														
 
															+  // Adapted from Biff MaGriff: http://stackoverflow.com/a/7895814/1196499
														
 
															+  $("body.disable-backspace-nav").closest(document).keydown(function (e) {
														
 
															+    var preventKeyPress;
														
 
															+    if (e.keyCode == 8) {
														
 
															+      var d = e.srcElement || e.target;
														
 
															+      switch (d.tagName.toUpperCase()) {
														
 
															+        case 'TEXTAREA':
														
 
															+          preventKeyPress = d.readOnly || d.disabled;
														
 
															+          break;
														
 
															+        case 'INPUT':
														
 
															+          preventKeyPress = d.readOnly || d.disabled || (d.attributes["type"] && $.inArray(d.attributes["type"].value.toLowerCase(), ["radio", "reset", "checkbox", "submit", "button"]) >= 0);
														
 
															+          break;
														
 
															+        case 'DIV':
														
 
															+          preventKeyPress = d.readOnly || d.disabled || !(d.attributes["contentEditable"] && d.attributes["contentEditable"].value == "true");
														
 
															+          break;
														
 
															+        default:
														
 
															+          preventKeyPress = true;
														
 
															+          break;
														
 
															+      }
														
 
															+    }
														
 
															+    else {
														
 
															+      preventKeyPress = false;
														
 
															+    }
														
 
															+
														
 
															+    if (preventKeyPress) {
														
 
															+      e.preventDefault();
														
 
															+    }
														
 
															+  });
														
 
															 });
														
--- a/app/views/blazer/queries/_form.html.erb
+++ b/app/views/blazer/queries/_form.html.erb
@@ -1,3 +1,5 @@
 
															+<% content_for :body_class, "disable-backspace-nav" %>
														
 
															+
														
 
															 <% if @query.errors.any? %>
														
 
															   <div class="alert alert-danger"><%= @query.errors.full_messages.first %></div>
														
 
															 <% end %>
														
--- a/app/views/layouts/blazer/application.html.erb
+++ b/app/views/layouts/blazer/application.html.erb
@@ -13,7 +13,7 @@
 
															     <% end %>
														
 
															     <%= csrf_meta_tags %>
														
 
															   </head>
														
 
															-  <body>
														
 
															+  <body class="<%= yield(:body_class) || "" %>">
														
 
															     <div class="container">
														
 
															       <%= yield %>
														
 
															     </div>