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suggest.js
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suggest.js
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var liSelected;
document.addEventListener("keydown", event => {
if(event.keyCode === 40){
if(liSelected){
liSelected.removeClass('selected');
next = liSelected.next();
if(next.length > 0){
liSelected = next.addClass('selected');
}else{
liSelected = $('.list-group-item').eq(0).addClass('selected');
}
}else{
liSelected = $('.list-group-item').eq(0).addClass('selected');
}
}else if(event.keyCode === 38){
if(liSelected){
liSelected.removeClass('selected');
next = liSelected.prev();
if(next.length > 0){
liSelected = next.addClass('selected');
}else{
liSelected = $('.list-group-item').last().addClass('selected');
}
}else{
liSelected = $('.list-group-item').last().addClass('selected');
}
}
if(liSelected && (event.keyCode === 40 || event.keyCode === 38)){
console.log(liSelected[0].innerText);
document.getElementById('q').value = liSelected[0].innerText;
}
});
// This function provides suggestions in the form of unordered list.
function suggester() {
// If suggestions end-point is not configured, return without any computation
if(get_config_value('Suggestions_Url') == "")
return;
// List of languages to search for
languages = ['zh', 'sp', 'en', 'ar', 'fr', 'ru', 'pt', 'de', 'ja', 'ko'];
// Finding the browser language
browser_lang = navigator.language;
browser_lang = browser_lang.substr(0,2);
tags = ['addr'];
languages.forEach(function(language, index){
tags.push('addr:' + language);
});
var query = document.getElementById("q").value;
var xmlhttp = new XMLHttpRequest();
// The API url to get suggestions - Update this with your server URL
var url = encodeURI(get_config_value('Suggestions_Url') + query);
// This is executed after the results are fetched
xmlhttp.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
var hits = JSON.parse(this.responseText);
length =Object.keys(hits).length;
// list_items string will be used to form the unordered list entries.
var list_items = '';
for (var i = 0; i < length; i++) {
added = false;
// This part adds one tag for each of the received results. Addresss in Broweser default language is returned in paranthesis for clarity.
tags.forEach(function (value, index) {
if(hits[i][value] && hits[i][value].includes(query) && hits[i]['addr:'+browser_lang] && !added)
{
res = ''
if(value.slice(2) != browser_lang)
{
res += '(' + hits[i]['addr:'+browser_lang] + ') ';
}
else
return;
res += hits[i][value];
if(hits[i].country_code)
res += ', ' + hits[i].country_code;
if(hits[i].postcode)
res += ', ' + hits[i].postcode;
if (getIcon({'category': hits[i].category, 'type': hits[i].type}))
{
icon_path = get_config_value('Images_Base_Url') + getIcon({'category': hits[i].category, 'type': hits[i].type}) + '.p.20.png';
list_items += "<li class='list-group-item' onclick='putText("+ i +")'><div class='row'><div class='col' id="+i+">" + res + "</div><img class='fas mr-4 mapicons' src='" + icon_path + "'></div></li>";added = true;
}
else
{
list_items += "<li class='list-group-item' onclick='putText("+ i +")'><div class='row'><div class='col' id="+i+">" + res + "</div></div></li>";added = true;
}
}
});
// This is to handle cases where no returned language text matches straightaway.
// Then we return browser default language or default `addr`.
if(!added)
{
if(hits[i]['addr:'+browser_lang])
res = hits[i]['addr:'+browser_lang];
else
res = hits[i].addr;
if(hits[i].country_code)
res += ', ' + hits[i].country_code;
if(hits[i].postcode)
res += ', ' + hits[i].postcode;
if (getIcon({'category': hits[i].category, 'type': hits[i].type}))
{
icon_path = get_config_value('Images_Base_Url') + getIcon({'category': hits[i].category, 'type': hits[i].type}) + '.p.20.png';
list_items += "<li class='list-group-item' onclick='putText("+ i +")'><div class='row'><div class='col' id="+i+">" + res + "</div><img class='fas mr-4 mapicons' src='" + icon_path + "'></div></li>";added = true;
}
else
{
list_items += "<li class='list-group-item' onclick='putText("+ i +")'><div class='row'><div class='col' id="+i+">" + res + "</div></div></li>";added = true;
}
}
}
// We are setting the unordered list's inner HTML as the list_items
document.getElementById('suglist').innerHTML = list_items;
// Making sure the dropdown is expanded
document.getElementById("dd").classList.add("open");
document.getElementById("dd").classList.add("show");
document.getElementById("suglist").classList.add("show");
document.getElementById("q").setAttribute("aria-expanded", true);
}
};
xmlhttp.open("GET", url, true);
xmlhttp.send();
}
// Utility to put text on the search bar when clicked on a suggestion
function putText(id)
{
document.getElementById("q").value = document.getElementById(id).innerHTML;
}