diff --git a/tests/core.html b/tests/core.html
new file mode 100644
index 000000000..58226598f
--- /dev/null
+++ b/tests/core.html
@@ -0,0 +1,71 @@
+
+
+
+ jQuery UI Core Test Suite
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/core.js b/tests/core.js
new file mode 100644
index 000000000..507b3e7cb
--- /dev/null
+++ b/tests/core.js
@@ -0,0 +1,56 @@
+/*
+ * core unit tests
+ */
+(function($) {
+
+module("selectors");
+
+test("tabbable - enabled elements", function() {
+ expect(10);
+
+ ok( $('#input1-1').is(':tabbable'), 'input, no type');
+ ok( $('#input1-2').is(':tabbable'), 'input, type text');
+ ok( $('#input1-3').is(':tabbable'), 'input, type checkbox');
+ ok( $('#input1-4').is(':tabbable'), 'input, type radio');
+ ok( $('#input1-5').is(':tabbable'), 'input, type button');
+ ok(!$('#input1-6').is(':tabbable'), 'input, type hidden');
+ ok( $('#input1-7').is(':tabbable'), 'select');
+ ok( $('#input1-8').is(':tabbable'), 'textarea');
+ ok( $('#anchor1-1').is(':tabbable'), 'anchor with href');
+ ok(!$('#anchor1-2').is(':tabbable'), 'anchor without href');
+});
+
+test("tabbable - disabled elements", function() {
+ expect(8);
+
+ ok(!$('#input2-1').is(':tabbable'), 'input, no type');
+ ok(!$('#input2-2').is(':tabbable'), 'input, type text');
+ ok(!$('#input2-3').is(':tabbable'), 'input, type checkbox');
+ ok(!$('#input2-4').is(':tabbable'), 'input, type radio');
+ ok(!$('#input2-5').is(':tabbable'), 'input, type button');
+ ok(!$('#input2-6').is(':tabbable'), 'input, type hidden');
+ ok(!$('#input2-7').is(':tabbable'), 'select');
+ ok(!$('#input2-8').is(':tabbable'), 'textarea');
+});
+
+test("tabbable - hidden styles", function() {
+ expect(6);
+
+ ok(!$('#input3-1').is(':tabbable'), 'input, hidden wrapper - display: none');
+ ok(!$('#anchor3-1').is(':tabbable'), 'anchor, hidden wrapper - display: none');
+ ok(!$('#input3-2').is(':tabbable'), 'input, hidden wrapper - visibility: hidden');
+ ok(!$('#anchor3-2').is(':tabbable'), 'anchor, hidden wrapper - visibility: hidden');
+ ok(!$('#input3-3').is(':tabbable'), 'input, display: none');
+ ok(!$('#input3-4').is(':tabbable'), 'input, visibility: hidden');
+});
+
+test("tabbable - tabindex", function() {
+ expect(4);
+
+ ok( $('#input4-1').is(':tabbable'), 'input, tabindex 0');
+ ok( $('#input4-2').is(':tabbable'), 'input, tabindex 10');
+ ok(!$('#input4-3').is(':tabbable'), 'input, tabindex -1');
+ ok(!$('#input4-4').is(':tabbable'), 'input, tabindex -50');
+});
+
+})(jQuery);
diff --git a/ui/ui.core.js b/ui/ui.core.js
index f4ffb74cb..8507bb193 100644
--- a/ui/ui.core.js
+++ b/ui/ui.core.js
@@ -17,6 +17,21 @@ $.fn.remove = function() {
return _remove.apply(this, arguments );
};
+function isVisible(element) {
+ function checkStyles(element) {
+ var style = element.style;
+ return (style.display != 'none' && style.visibility != 'hidden');
+ }
+
+ var visible = checkStyles(element);
+
+ (visible && $.each($.dir(element, 'parentNode'), function() {
+ return (visible = checkStyles(this));
+ }));
+
+ return visible;
+}
+
$.extend($.expr[':'], {
data: function(a, i, m) {
return $.data(a, m[3]);
@@ -28,15 +43,20 @@ $.extend($.expr[':'], {
return (
// in tab order
- a.tabIndex != -1 &&
+ a.tabIndex >= 0 &&
- ( // node type participates in tab order
+ ( // filter node types that participate in the tab order
+
// anchor tag
- ('a' == nodeName) ||
+ ('a' == nodeName && a.href) ||
// enabled form element
- (/input|select|textarea|button/.test(nodeName) && !a.disabled)
- )
+ (/input|select|textarea|button/.test(nodeName) &&
+ 'hidden' != a.type && !a.disabled)
+ ) &&
+
+ // visible on page
+ isVisible(a)
);
}
});