diff options
Diffstat (limited to 'resources/src/jquery/jquery.makeCollapsible.js')
| -rw-r--r-- | resources/src/jquery/jquery.makeCollapsible.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/resources/src/jquery/jquery.makeCollapsible.js b/resources/src/jquery/jquery.makeCollapsible.js index 32a5d3de72c5..ce1167b524c5 100644 --- a/resources/src/jquery/jquery.makeCollapsible.js +++ b/resources/src/jquery/jquery.makeCollapsible.js @@ -157,6 +157,49 @@ } /** + * If the URL contains a hash followed by the fragment identifier of an + * element inside collapsed parents, expand them all and scroll to it. + * + * @private + */ + function hashHandler() { + var fragmentId, fragment, $parents; + + fragmentId = window.location.hash.slice( 1 ); + if ( !fragmentId ) { + // The hash is empty + return; + } + + fragment = document.getElementById( fragmentId ); + if ( !fragment ) { + // The fragment doesn't exist + return; + } + + $parents = $( fragment ).parents( '.mw-collapsed' ); + if ( !$parents.length ) { + // The fragment is not in a collapsed element + return; + } + + // Expand collapsed parents + $parents.each( function () { + var $collapsible = $( this ); + if ( $collapsible.data( 'mw-made-collapsible' ) ) { + $collapsible.data( 'mw-collapsible' ).expand(); + } else { + // The collapsible has not been initialized, so just prevent it + // from being collapsed + $collapsible.removeClass( 'mw-collapsed' ); + } + } ); + + // Scroll to the fragment + fragment.scrollIntoView(); + } + + /** * Enable collapsible-functionality on all elements in the collection. * * - Will prevent binding twice to the same element. @@ -356,6 +399,9 @@ } ); + // Attach hash handler + window.addEventListener( 'hashchange', hashHandler ); + /** * Fired after collapsible content has been initialized * @@ -370,6 +416,9 @@ return this; }; + // Run hash handler right now in case the URL already has a hash + hashHandler(); + /** * @class jQuery * @mixins jQuery.plugin.makeCollapsible |