Ponysearch/searx/static/themes/simple/js/searx_src/searx_search.js

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2017-02-12 15:06:01 +01:00
/**
* searx is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* searx is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with searx. If not, see < http://www.gnu.org/licenses/ >.
*
* (C) 2017 by Alexandre Flament, <alex@al-f.net>
*/
(function(w, d, searx) {
'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);
}
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searx.ready(function() {
qinput = d.getElementById(qinput_id);
function placeCursorAtEndOnce(e) {
if (firstFocus) {
placeCursorAtEnd(qinput);
firstFocus = false;
} else {
// e.preventDefault();
}
}
if (qinput !== null) {
// clear button
createClearButton(qinput);
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// autocompleter
if (searx.autocompleter) {
searx.autocomplete = AutoComplete.call(w, {
Url: "./autocompleter",
EmptyMessage: searx.noItemFound,
HttpMethod: searx.method,
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 && searx.search_on_category_select) {
d.querySelector('.help').className='invisible';
searx.on('#categories input', 'change', function(e) {
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;
});
searx.on(d.getElementById('time_range'), 'change', submitIfQuery);
searx.on(d.getElementById('language'), 'change', submitIfQuery);
}
});
})(window, document, window.searx);