MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */

$(document).ready(function() {
    // Wait for collapsible elements to be initialized by MediaWiki
    mw.hook('wikipage.content').add(function() {
        var $sections = $('.accordion-section');

        // Initialize: disable links in collapsed sections
        $sections.each(function() {
            if ($(this).hasClass('mw-collapsed')) {
                $(this).find('.mw-headline a').css('pointer-events', 'none');
            }
        });

        // Handle clicks on headers
        $sections.on('click', '.mw-headline', function(e) {
            var $section = $(this).closest('.accordion-section');
            var isCollapsed = $section.hasClass('mw-collapsed');

            if (isCollapsed) {
                // Collapse all other sections
                $sections.not($section).addClass('mw-collapsed');
                // Expand this section
                $section.removeClass('mw-collapsed');
                // Enable links in this section
                $section.find('.mw-headline a').css('pointer-events', 'auto');
                // Disable links in all other sections
                $sections.not($section).find('.mw-headline a').css('pointer-events', 'none');
            } else {
                // Collapse this section
                $section.addClass('mw-collapsed');
                // Disable links in this section
                $section.find('.mw-headline a').css('pointer-events', 'none');
            }

            // Prevent link click from propagating if collapsed
            if (e.target.tagName === 'A' && $section.hasClass('mw-collapsed')) {
                e.preventDefault();
            }
        });
    });
});