X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/87219ebd28426c6d21cb545233ee52f5f7af7dfd..18a6620945d02687fbcfc4c27355d952fd748b41:/resources/jquery/jquery.tabIndex.js

diff --git a/resources/jquery/jquery.tabIndex.js b/resources/jquery/jquery.tabIndex.js
new file mode 100644
index 00000000..bb9b2bfa
--- /dev/null
+++ b/resources/jquery/jquery.tabIndex.js
@@ -0,0 +1,35 @@
+/**
+ * jQuery tabIndex
+ */
+( function( $ ) {
+/**
+ * Finds the lowerst tabindex in use within a selection
+ * 
+ * @return Integer of lowest tabindex on the page
+ */
+jQuery.fn.firstTabIndex = function() {
+	var minTabIndex = 0;
+	jQuery(this).find( '[tabindex]' ).each( function() {
+		var tabIndex = parseInt( jQuery(this).attr( 'tabindex' ) );
+		if ( tabIndex > minTabIndex ) {
+			minTabIndex = tabIndex;
+		}
+	} );
+	return minTabIndex;
+};
+/**
+ * Finds the highest tabindex in use within a selection
+ * 
+ * @return Integer of highest tabindex on the page
+ */
+jQuery.fn.lastTabIndex = function() {
+	var maxTabIndex = 0;
+	jQuery(this).find( '[tabindex]' ).each( function() {
+		var tabIndex = parseInt( jQuery(this).attr( 'tabindex' ) );
+		if ( tabIndex > maxTabIndex ) {
+			maxTabIndex = tabIndex;
+		}
+	} );
+	return maxTabIndex;
+};
+} )( jQuery );
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