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/* SPDX-License-Identifier: AGPL-3.0-or-later */
/* global AutoComplete */
(function(w, d, searxng) {
'use strict';
var firstFocus = true, qinput_id = "q", qinput;
function placeCursorAtEnd(element) {
if (element.setSelectionRange) {
var len = element.value.length;
element.setSelectionRange(len, len);
}
}
function submitIfQuery() {
if (qinput.value.length > 0) {
var search = document.getElementById('search');
setTimeout(search.submit.bind(search), 0);
}
}
function createClearButton(qinput) {
var cs = document.getElementById('clear_search');
var updateClearButton = function() {
if (qinput.value.length === 0) {
cs.classList.add("empty");
} else {
cs.classList.remove("empty");
}
};
// update status, event listener
updateClearButton();
cs.addEventListener('click', function() {
qinput.value='';
qinput.focus();
updateClearButton();
});
qinput.addEventListener('keyup', updateClearButton, false);
}
searxng.ready(function() {
qinput = d.getElementById(qinput_id);
function placeCursorAtEndOnce() {
if (firstFocus) {
placeCursorAtEnd(qinput);
firstFocus = false;
} else {
// e.preventDefault();
}
}
if (qinput !== null) {
// clear button
createClearButton(qinput);
// autocompleter
if (searxng.autocompleter) {
searxng.autocomplete = AutoComplete.call(w, {
Url: "./autocompleter",
EmptyMessage: searxng.translations.no_item_found,
HttpMethod: searxng.method,
HttpHeaders: {
"Content-type": "application/x-www-form-urlencoded",
"X-Requested-With": "XMLHttpRequest"
},
MinChars: 4,
Delay: 300,
}, "#" + qinput_id);
// hack, see : https://github.com/autocompletejs/autocomplete.js/issues/37
w.addEventListener('resize', function() {
var event = new CustomEvent("position");
qinput.dispatchEvent(event);
});
}
qinput.addEventListener('focus', placeCursorAtEndOnce, false);
qinput.focus();
}
// vanilla js version of search_on_category_select.js
if (qinput !== null && d.querySelector('.help') != null && searxng.search_on_category_select) {
d.querySelector('.help').className='invisible';
searxng.on('#categories input', 'change', function() {
var i, categories = d.querySelectorAll('#categories input[type="checkbox"]');
for(i=0; i<categories.length; i++) {
if (categories[i] !== this && categories[i].checked) {
categories[i].click();
}
}
if (! this.checked) {
this.click();
}
submitIfQuery();
return false;
});
searxng.on(d.getElementById('safesearch'), 'change', submitIfQuery);
searxng.on(d.getElementById('time_range'), 'change', submitIfQuery);
searxng.on(d.getElementById('language'), 'change', submitIfQuery);
}
});
})(window, document, window.searxng);
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