(function($){
jQuery.fn.autocomplete = function(options){
var defaults = {
url: "http://gd.geobytes.com/AutoCompleteCity",
dataType: 'jsonp',
minChars: 3,
request: 'q',
type: 'GET',
delay: 500
}
options = $.extend(defaults, options);
var autocomplete = function() {
const KEYS = {
UP: 38,
DOWN: 40,
ENTER: 13,
ESC: 27
}
var state = {
selectedIndex: 0,
data: null,
minChars: options.minChars < 3 ? 3 : options.minChars,
ajaxSettings: $.extend({}, $.ajaxSettings, {
url: options.url,
type: options.type,
dataType: options.dataType
})
}
var _this = $(this);
var container = _this.after('');
var suggestions = container.parent().find('.autocomplete-suggestions');
var cache = {};
var timer;
_this.on('keydown', function(e) {
if (!state.data) return;
var length = state.data.length - 1;
switch (e.keyCode) {
case KEYS.UP: return pressUpKey(state, length);
case KEYS.DOWN: return pressDownKey(state, length);
}
});
_this.on('keyup', function(e) {
switch (e.keyCode) {
case KEYS.UP: return false;
case KEYS.DOWN: return false;
case KEYS.ENTER: return pressEnterKey(e);
case KEYS.ESC: return pressEscKey(e);
}
if (_this.val().length < state.minChars) {
clearSuggestions();
return;
}
mainChain();
});
function mainChain() {
clearInterval(timer);
timer = setTimeout(function() {
autocompleteGetCityList()
.then(autocompleteParseData)
.then(autocompleteAddCache)
.then(autocompleteRender)
.then(autocompleteAddEventListeners)
.fail(autocompleteError);
}, options.delay);
}
function autocompleteGetCityList() {
state.selectedIndex = 0;
if (cache[_this.val()]) {
return $.Deferred().resolve(cache[_this.val()])
} else {
state.ajaxSettings = $.extend(state.ajaxSettings, {
data: {[options.request]: _this.val()}
});
return $.ajax(state.ajaxSettings)
}
}
function autocompleteParseData(data) {
if (typeof options.autocompleteTransformData === 'function') {
state.data = options.autocompleteTransformData(data);
} else {
var regexp = RegExp(/(\w*)\,\s*\w*\,\s*(\w*)/g);
state.data = data.map(el => el ? el.replace(regexp, '$1, $2') : '').filter(el => el ? true: false);
}
return state;
}
function autocompleteAddCache(data) {
cache[_this.val()] = data.data;
return data;
}
function autocompleteRender(state, selected) {
if (state && state.data) {
var html = '';
$.each(state.data, function (i, value) {
html += `${value}
`;
});
suggestions
.css('display', html ? 'block' : 'none')
.empty()
.append(html)
} else {
suggestions
.children().removeClass('autocomplete-selected').end()
.find(`[data-index="${selected}"]`).addClass('autocomplete-selected');
}
}
function autocompleteAddEventListeners() {
suggestions
.on('mousemove', '.autocomplete-suggestion', function(e) {
state.selectedIndex = $(e.target).data('index');
autocompleteRender(null, state.selectedIndex);
})
.on('click', '.autocomplete-suggestion', function(e) {
_this.val($(e.target).text());
if (typeof options.autocompleteOnSelect === 'function')
options.autocompleteOnSelect($(e.target).text());
});
}
function autocompleteError(jqXHR, textStatus, errorThrown) {
console.log('error', textStatus, errorThrown);
}
function clearSuggestions() {
state.selectedIndex = 0;
state.data = null;
suggestions.css('display', 'none');
}
function pressEnterKey() {
var selectedText = _this.parent().find('.autocomplete-selected').text() || _this.val().trim() || '';
_this.val(selectedText);
if (selectedText && typeof options.autocompleteOnSelect === 'function')
options.autocompleteOnSelect(selectedText);
return false;
}
function pressEscKey() {
_this.val('');
clearSuggestions();
return false;
}
function pressUpKey(state, length) {
state.selectedIndex > 0 ? state.selectedIndex-- : state.selectedIndex = length;
autocompleteRender(null, state.selectedIndex);
return false;
}
function pressDownKey(state, length) {
state.selectedIndex < length ? state.selectedIndex++ : state.selectedIndex = 0;
autocompleteRender(null, state.selectedIndex);
return false;
}
}
return this.each(autocomplete);
};
})(jQuery);live casino with low minimum deposit
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