diff options
author | Pierre Schmitz <pierre@archlinux.de> | 2014-12-27 15:41:37 +0100 |
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committer | Pierre Schmitz <pierre@archlinux.de> | 2014-12-31 11:43:28 +0100 |
commit | c1f9b1f7b1b77776192048005dcc66dcf3df2bfb (patch) | |
tree | 2b38796e738dd74cb42ecd9bfd151803108386bc /resources/src/jquery/jquery.tabIndex.js | |
parent | b88ab0086858470dd1f644e64cb4e4f62bb2be9b (diff) |
Update to MediaWiki 1.24.1
Diffstat (limited to 'resources/src/jquery/jquery.tabIndex.js')
-rw-r--r-- | resources/src/jquery/jquery.tabIndex.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/resources/src/jquery/jquery.tabIndex.js b/resources/src/jquery/jquery.tabIndex.js new file mode 100644 index 00000000..46cc8f2c --- /dev/null +++ b/resources/src/jquery/jquery.tabIndex.js @@ -0,0 +1,57 @@ +/** + * @class jQuery.plugin.tabIndex + */ +( function ( $ ) { + + /** + * Find the lowest tabindex in use within a selection. + * + * @return {number} Lowest tabindex on the page + */ + $.fn.firstTabIndex = function () { + var minTabIndex = null; + $(this).find( '[tabindex]' ).each( function () { + var tabIndex = parseInt( $(this).prop( 'tabindex' ), 10 ); + // In IE6/IE7 the above jQuery selector returns all elements, + // becuase it has a default value for tabIndex in IE6/IE7 of 0 + // (rather than null/undefined). Therefore check "> 0" as well. + // Under IE7 under Windows NT 5.2 is also capable of returning NaN. + if ( tabIndex > 0 && !isNaN( tabIndex ) ) { + // Initial value + if ( minTabIndex === null ) { + minTabIndex = tabIndex; + } else if ( tabIndex < minTabIndex ) { + minTabIndex = tabIndex; + } + } + } ); + return minTabIndex; + }; + + /** + * Find the highest tabindex in use within a selection. + * + * @return {number} Highest tabindex on the page + */ + $.fn.lastTabIndex = function () { + var maxTabIndex = null; + $(this).find( '[tabindex]' ).each( function () { + var tabIndex = parseInt( $(this).prop( 'tabindex' ), 10 ); + if ( tabIndex > 0 && !isNaN( tabIndex ) ) { + // Initial value + if ( maxTabIndex === null ) { + maxTabIndex = tabIndex; + } else if ( tabIndex > maxTabIndex ) { + maxTabIndex = tabIndex; + } + } + } ); + return maxTabIndex; + }; + + /** + * @class jQuery + * @mixins jQuery.plugin.tabIndex + */ + +}( jQuery ) ); |