wyyl/resources/beike/admin/js/autocomplete.js

127 lines
3.3 KiB
JavaScript

$(function() {
$.fn.autocomplete = function(option) {
return this.each(function() {
this.timer = null;
this.items = new Array();
$.extend(this, option);
$(this).attr('autocomplete', 'off');
// Focus
$(this).on('focus', function() {
this.request();
});
// Blur
$(this).on('blur', function() {
setTimeout(function(object) {
object.hide();
}, 200, this);
});
// Keydown
$(this).on('keydown', function(event) {
switch(event.keyCode) {
case 27: // escape
this.hide();
break;
default:
this.request();
break;
}
});
// Click
this.click = function(event) {
event.preventDefault();
let value = $(event.target).parent().attr('data-value');
if (value && this.items[value]) {
this.select(this.items[value]);
}
}
// Show
this.show = function() {
var pos = $(this).position();
$(this).siblings('ul.dropdown-menu').css({
top: pos.top + $(this).outerHeight(),
left: pos.left
});
$(this).siblings('ul.dropdown-menu').show();
}
// Hide
this.hide = function() {
$(this).siblings('ul.dropdown-menu').hide();
}
// Request
this.request = function() {
clearTimeout(this.timer);
this.timer = setTimeout(function(object) {
object.source($(object).val(), $.proxy(object.response, object));
}, 200, this);
}
// Response
this.response = function(json) {
let hasFocus = $(this).is(':focus');
if (!hasFocus) return;
var html = '';
if (json.length) {
for (var i = 0; i < json.length; i++) {
this.items[json[i]['value']] = json[i];
}
for (var i = 0; i < json.length; i++) {
if (!json[i]['category']) {
html += '<li data-value="' + json[i]['value'] + '"><a href="#" class="dropdown-item">' + json[i]['label'] + '</a></li>';
}
}
// Get all the ones with a categories
var category = new Array();
for (var i = 0; i < json.length; i++) {
if (json[i]['category']) {
if (!category[json[i]['category']]) {
category[json[i]['category']] = new Array();
category[json[i]['category']]['name'] = json[i]['category'];
category[json[i]['category']]['item'] = new Array();
}
category[json[i]['category']]['item'].push(json[i]);
}
}
for (var i in category) {
html += '<li class="dropdown-header">' + category[i]['name'] + '</li>';
for (j = 0; j < category[i]['item'].length; j++) {
html += '<li data-value="' + category[i]['item'][j]['value'] + '"><a href="#">&nbsp;&nbsp;&nbsp;' + category[i]['item'][j]['label'] + '</a></li>';
}
}
}
if (html) {
this.show();
} else {
this.hide();
}
$(this).siblings('ul.dropdown-menu').html(html);
}
$(this).after('<ul class="dropdown-menu"></ul>');
$(this).siblings('ul.dropdown-menu').delegate('a', 'click', $.proxy(this.click, this));
});
}
});