59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
(function() {
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var functions = document.querySelectorAll('[data-name]');
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var sections = document.querySelectorAll('.searchable_section');
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var searchInput = document.getElementById('function_filter');
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function strIn(a, b) {
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a = a.toLowerCase();
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b = b.toLowerCase();
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return b.indexOf(a) >= 0;
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}
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function doesMatch(element) {
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var name = element.getAttribute('data-name');
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var aliases = element.getAttribute('data-aliases') || '';
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return strIn(searchInput.value, name) || strIn(searchInput.value, aliases);
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}
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function filterElement(element) {
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element.style.display = doesMatch(element) ? '' : 'none';
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}
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function filterToc() {
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_.each(functions, filterElement);
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var emptySearch = searchInput.value === '';
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// Hide the titles of empty sections
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_.each(sections, function(section) {
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var sectionFunctions = section.querySelectorAll('[data-name]');
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var showSection = emptySearch || _.some(sectionFunctions, doesMatch);
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section.style.display = showSection ? '' : 'none';
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});
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}
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function gotoFirst() {
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var firstFunction = _.find(functions, doesMatch);
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if(firstFunction) {
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window.location.hash = firstFunction.lastChild.getAttribute('href');
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searchInput.focus();
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}
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}
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searchInput.addEventListener('input', filterToc, false);
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// Press "Enter" to jump to the first matching function
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searchInput.addEventListener('keypress', function(e) {
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if (e.which === 13) {
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gotoFirst();
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}
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});
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// Press "/" to search
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document.body.addEventListener('keyup', function(event) {
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if (191 === event.which) {
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searchInput.focus();
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}
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});
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}());
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