searxng/searx/static/themes/simple/js/autocomplete.js

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2017-02-12 14:06:01 +00:00
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.AutoComplete = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/*
* @license MIT
*
* Autocomplete.js v2.6.3
* Developed by Baptiste Donaux
* http://autocomplete-js.com
*
* (c) 2017, Baptiste Donaux
*/
"use strict";
var ConditionOperator;
(function (ConditionOperator) {
ConditionOperator[ConditionOperator["AND"] = 0] = "AND";
ConditionOperator[ConditionOperator["OR"] = 1] = "OR";
})(ConditionOperator || (ConditionOperator = {}));
var EventType;
(function (EventType) {
EventType[EventType["KEYDOWN"] = 0] = "KEYDOWN";
EventType[EventType["KEYUP"] = 1] = "KEYUP";
})(EventType || (EventType = {}));
/**
* Core
*
* @class
* @author Baptiste Donaux <baptiste.donaux@gmail.com> @baptistedonaux
*/
var AutoComplete = (function () {
// Constructor
function AutoComplete(params, selector) {
if (params === void 0) { params = {}; }
if (selector === void 0) { selector = "[data-autocomplete]"; }
if (Array.isArray(selector)) {
selector.forEach(function (s) {
new AutoComplete(params, s);
});
}
else if (typeof selector == "string") {
var elements = document.querySelectorAll(selector);
Array.prototype.forEach.call(elements, function (input) {
new AutoComplete(params, input);
});
}
else {
var specificParams = AutoComplete.merge(AutoComplete.defaults, params, {
DOMResults: document.createElement("div")
});
AutoComplete.prototype.create(specificParams, selector);
return specificParams;
}
}
AutoComplete.prototype.create = function (params, element) {
params.Input = element;
if (params.Input.nodeName.match(/^INPUT$/i) && (params.Input.hasAttribute("type") === false || params.Input.getAttribute("type").match(/^TEXT|SEARCH$/i))) {
params.Input.setAttribute("autocomplete", "off");
params._Position(params);
params.Input.parentNode.appendChild(params.DOMResults);
params.$Listeners = {
blur: params._Blur.bind(params),
destroy: AutoComplete.prototype.destroy.bind(null, params),
focus: params._Focus.bind(params),
keyup: AutoComplete.prototype.event.bind(null, params, EventType.KEYUP),
keydown: AutoComplete.prototype.event.bind(null, params, EventType.KEYDOWN),
position: params._Position.bind(params)
};
for (var event in params.$Listeners) {
params.Input.addEventListener(event, params.$Listeners[event]);
}
}
};
AutoComplete.prototype.getEventsByType = function (params, type) {
var mappings = {};
for (var key in params.KeyboardMappings) {
var event = EventType.KEYUP;
if (params.KeyboardMappings[key].Event !== undefined) {
event = params.KeyboardMappings[key].Event;
}
if (event == type) {
mappings[key] = params.KeyboardMappings[key];
}
}
return mappings;
};
AutoComplete.prototype.event = function (params, type, event) {
var eventIdentifier = function (condition) {
if ((match === true && mapping.Operator == ConditionOperator.AND) || (match === false && mapping.Operator == ConditionOperator.OR)) {
condition = AutoComplete.merge({
Not: false
}, condition);
if (condition.hasOwnProperty("Is")) {
if (condition.Is == event.keyCode) {
match = !condition.Not;
}
else {
match = condition.Not;
}
}
else if (condition.hasOwnProperty("From") && condition.hasOwnProperty("To")) {
if (event.keyCode >= condition.From && event.keyCode <= condition.To) {
match = !condition.Not;
}
else {
match = condition.Not;
}
}
}
};
for (var name in AutoComplete.prototype.getEventsByType(params, type)) {
var mapping = AutoComplete.merge({
Operator: ConditionOperator.AND
}, params.KeyboardMappings[name]), match = ConditionOperator.AND == mapping.Operator;
mapping.Conditions.forEach(eventIdentifier);
if (match === true) {
mapping.Callback.call(params, event);
}
}
};
AutoComplete.prototype.makeRequest = function (params, callback) {
var propertyHttpHeaders = Object.getOwnPropertyNames(params.HttpHeaders), request = new XMLHttpRequest(), method = params._HttpMethod(), url = params._Url(), queryParams = params._Pre(), queryParamsStringify = encodeURIComponent(params._QueryArg()) + "=" + encodeURIComponent(queryParams);
if (method.match(/^GET$/i)) {
if (url.indexOf("?") !== -1) {
url += "&" + queryParamsStringify;
}
else {
url += "?" + queryParamsStringify;
}
}
request.open(method, url, true);
for (var i = propertyHttpHeaders.length - 1; i >= 0; i--) {
request.setRequestHeader(propertyHttpHeaders[i], params.HttpHeaders[propertyHttpHeaders[i]]);
}
request.onreadystatechange = function () {
if (request.readyState == 4 && request.status == 200) {
params.$Cache[queryParams] = request.response;
callback(request.response);
}
};
return request;
};
AutoComplete.prototype.ajax = function (params, request, timeout) {
if (timeout === void 0) { timeout = true; }
if (params.$AjaxTimer) {
window.clearTimeout(params.$AjaxTimer);
}
if (timeout === true) {
params.$AjaxTimer = window.setTimeout(AutoComplete.prototype.ajax.bind(null, params, request, false), params.Delay);
}
else {
if (params.Request) {
params.Request.abort();
}
params.Request = request;
params.Request.send(params._QueryArg() + "=" + params._Pre());
}
};
AutoComplete.prototype.cache = function (params, callback) {
var response = params._Cache(params._Pre());
if (response === undefined) {
var request = AutoComplete.prototype.makeRequest(params, callback);
AutoComplete.prototype.ajax(params, request);
}
else {
callback(response);
}
};
AutoComplete.prototype.destroy = function (params) {
for (var event in params.$Listeners) {
params.Input.removeEventListener(event, params.$Listeners[event]);
}
params.DOMResults.parentNode.removeChild(params.DOMResults);
};
return AutoComplete;
}());
AutoComplete.merge = function () {
var merge = {}, tmp;
for (var i = 0; i < arguments.length; i++) {
for (tmp in arguments[i]) {
merge[tmp] = arguments[i][tmp];
}
}
return merge;
};
AutoComplete.defaults = {
Delay: 150,
EmptyMessage: "No result here",
Highlight: {
getRegex: function (value) {
return new RegExp(value, "ig");
},
transform: function (value) {
return "<strong>" + value + "</strong>";
}
},
HttpHeaders: {
"Content-type": "application/x-www-form-urlencoded"
},
Limit: 0,
MinChars: 0,
HttpMethod: "GET",
QueryArg: "q",
Url: null,
KeyboardMappings: {
"Enter": {
Conditions: [{
Is: 13,
Not: false
}],
Callback: function (event) {
if (this.DOMResults.getAttribute("class").indexOf("open") != -1) {
var liActive = this.DOMResults.querySelector("li.active");
if (liActive !== null) {
event.preventDefault();
this._Select(liActive);
this.DOMResults.setAttribute("class", "autocomplete");
}
}
},
Operator: ConditionOperator.AND,
Event: EventType.KEYDOWN
},
"KeyUpAndDown_down": {
Conditions: [{
Is: 38,
Not: false
},
{
Is: 40,
Not: false
}],
Callback: function (event) {
event.preventDefault();
},
Operator: ConditionOperator.OR,
Event: EventType.KEYDOWN
},
"KeyUpAndDown_up": {
Conditions: [{
Is: 38,
Not: false
},
{
Is: 40,
Not: false
}],
Callback: function (event) {
event.preventDefault();
var first = this.DOMResults.querySelector("li:first-child:not(.locked)"), last = this.DOMResults.querySelector("li:last-child:not(.locked)"), active = this.DOMResults.querySelector("li.active");
if (active) {
var currentIndex = Array.prototype.indexOf.call(active.parentNode.children, active), position = currentIndex + (event.keyCode - 39), lisCount = this.DOMResults.getElementsByTagName("li").length;
if (position < 0) {
position = lisCount - 1;
}
else if (position >= lisCount) {
position = 0;
}
active.classList.remove("active");
active.parentElement.children.item(position).classList.add("active");
}
else if (last && event.keyCode == 38) {
last.classList.add("active");
}
else if (first) {
first.classList.add("active");
}
},
Operator: ConditionOperator.OR,
Event: EventType.KEYUP
},
"AlphaNum": {
Conditions: [{
Is: 13,
Not: true
}, {
From: 35,
To: 40,
Not: true
}],
Callback: function () {
var oldValue = this.Input.getAttribute("data-autocomplete-old-value"), currentValue = this._Pre();
if (currentValue !== "" && currentValue.length >= this._MinChars()) {
if (!oldValue || currentValue != oldValue) {
this.DOMResults.setAttribute("class", "autocomplete open");
}
AutoComplete.prototype.cache(this, function (response) {
this._Render(this._Post(response));
this._Open();
}.bind(this));
}
},
Operator: ConditionOperator.AND,
Event: EventType.KEYUP
}
},
DOMResults: null,
Request: null,
Input: null,
/**
* Return the message when no result returns
*/
_EmptyMessage: function () {
var emptyMessage = "";
if (this.Input.hasAttribute("data-autocomplete-empty-message")) {
emptyMessage = this.Input.getAttribute("data-autocomplete-empty-message");
}
else if (this.EmptyMessage !== false) {
emptyMessage = this.EmptyMessage;
}
else {
emptyMessage = "";
}
return emptyMessage;
},
/**
* Returns the maximum number of results
*/
_Limit: function () {
var limit = this.Input.getAttribute("data-autocomplete-limit");
if (isNaN(limit) || limit === null) {
return this.Limit;
}
return parseInt(limit, 10);
},
/**
* Returns the minimum number of characters entered before firing ajax
*/
_MinChars: function () {
var minchars = this.Input.getAttribute("data-autocomplete-minchars");
if (isNaN(minchars) || minchars === null) {
return this.MinChars;
}
return parseInt(minchars, 10);
},
/**
* Apply transformation on labels response
*/
_Highlight: function (label) {
return label.replace(this.Highlight.getRegex(this._Pre()), this.Highlight.transform);
},
/**
* Returns the HHTP method to use
*/
_HttpMethod: function () {
if (this.Input.hasAttribute("data-autocomplete-method")) {
return this.Input.getAttribute("data-autocomplete-method");
}
return this.HttpMethod;
},
/**
* Returns the query param to use
*/
_QueryArg: function () {
if (this.Input.hasAttribute("data-autocomplete-param-name")) {
return this.Input.getAttribute("data-autocomplete-param-name");
}
return this.QueryArg;
},
/**
* Returns the URL to use for AJAX request
*/
_Url: function () {
if (this.Input.hasAttribute("data-autocomplete")) {
return this.Input.getAttribute("data-autocomplete");
}
return this.Url;
},
/**
* Manage the close
*/
_Blur: function (now) {
if (now === true) {
this.DOMResults.setAttribute("class", "autocomplete");
this.Input.setAttribute("data-autocomplete-old-value", this.Input.value);
}
else {
var params = this;
setTimeout(function () {
params._Blur(true);
}, 150);
}
},
/**
* Manage the cache
*/
_Cache: function (value) {
return this.$Cache[value];
},
/**
* Manage the open
*/
_Focus: function () {
var oldValue = this.Input.getAttribute("data-autocomplete-old-value");
if ((!oldValue || this.Input.value != oldValue) && this._MinChars() <= this.Input.value.length) {
this.DOMResults.setAttribute("class", "autocomplete open");
}
},
/**
* Bind all results item if one result is opened
*/
_Open: function () {
var params = this;
Array.prototype.forEach.call(this.DOMResults.getElementsByTagName("li"), function (li) {
if (li.getAttribute("class") != "locked") {
li.onclick = function (event) {
params._Select(li);
};
li.onmouseenter = function () {
var active = params.DOMResults.querySelector("li.active");
if (active !== li) {
if (active !== null) {
active.classList.remove("active");
}
li.classList.add("active");
}
};
}
});
},
/**
* Position the results HTML element
*/
_Position: function () {
this.DOMResults.setAttribute("class", "autocomplete");
this.DOMResults.setAttribute("style", "top:" + (this.Input.offsetTop + this.Input.offsetHeight) + "px;left:" + this.Input.offsetLeft + "px;width:" + this.Input.clientWidth + "px;");
},
/**
* Execute the render of results DOM element
*/
_Render: function (response) {
var ul;
if (typeof response == "string") {
ul = this._RenderRaw(response);
}
else {
ul = this._RenderResponseItems(response);
}
if (this.DOMResults.hasChildNodes()) {
this.DOMResults.removeChild(this.DOMResults.childNodes[0]);
}
this.DOMResults.appendChild(ul);
},
/**
* ResponseItems[] rendering
*/
_RenderResponseItems: function (response) {
var ul = document.createElement("ul"), li = document.createElement("li"), limit = this._Limit();
// Order
if (limit < 0) {
response = response.reverse();
}
else if (limit === 0) {
limit = response.length;
}
for (var item = 0; item < Math.min(Math.abs(limit), response.length); item++) {
li.innerHTML = response[item].Label;
li.setAttribute("data-autocomplete-value", response[item].Value);
ul.appendChild(li);
li = document.createElement("li");
}
return ul;
},
/**
* string response rendering (RAW HTML)
*/
_RenderRaw: function (response) {
var ul = document.createElement("ul"), li = document.createElement("li");
if (response.length > 0) {
this.DOMResults.innerHTML = response;
}
else {
var emptyMessage = this._EmptyMessage();
if (emptyMessage !== "") {
li.innerHTML = emptyMessage;
li.setAttribute("class", "locked");
ul.appendChild(li);
}
}
return ul;
},
/**
* Deal with request response
*/
_Post: function (response) {
try {
var returnResponse = [];
//JSON return
var json = JSON.parse(response);
if (Object.keys(json).length === 0) {
return "";
}
if (Array.isArray(json)) {
for (var i = 0; i < Object.keys(json).length; i++) {
returnResponse[returnResponse.length] = { "Value": json[i], "Label": this._Highlight(json[i]) };
}
}
else {
for (var value in json) {
returnResponse.push({
"Value": value,
"Label": this._Highlight(json[value])
});
}
}
return returnResponse;
}
catch (event) {
//HTML return
return response;
}
},
/**
* Return the autocomplete value to send (before request)
*/
_Pre: function () {
return this.Input.value;
},
/**
* Choice one result item
*/
_Select: function (item) {
console.log('test test test');
if (item.hasAttribute("data-autocomplete-value")) {
this.Input.value = item.getAttribute("data-autocomplete-value");
}
else {
this.Input.value = item.innerHTML;
}
this.Input.setAttribute("data-autocomplete-old-value", this.Input.value);
},
$AjaxTimer: null,
$Cache: {},
$Listeners: {}
};
module.exports = AutoComplete;
},{}]},{},[1])(1)
});