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823 rindas
31 KiB
823 rindas
31 KiB
/*!
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* ====================================================
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* Hot Box UI - v1.0.15 - 2017-05-05
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* https://github.com/fex-team/hotbox
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* GitHub: https://github.com/fex-team/hotbox.git
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* Copyright (c) 2017 Baidu FEX; Licensed BSD
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* ====================================================
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*/
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(function () {
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var _p = {
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r: function(index) {
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if (_p[index].inited) {
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return _p[index].value;
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}
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if (typeof _p[index].value === "function") {
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var module = {
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exports: {}
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}, returnValue = _p[index].value(null, module.exports, module);
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_p[index].inited = true;
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_p[index].value = returnValue;
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if (returnValue !== undefined) {
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return returnValue;
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} else {
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for (var key in module.exports) {
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if (module.exports.hasOwnProperty(key)) {
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_p[index].inited = true;
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_p[index].value = module.exports;
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return module.exports;
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}
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}
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}
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} else {
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_p[index].inited = true;
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return _p[index].value;
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}
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}
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};
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//src/expose.js
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_p[0] = {
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value: function(require, exports, module) {
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module.exports = window.HotBox = _p.r(1);
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}
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};
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//src/hotbox.js
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_p[1] = {
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value: function(require, exports, module) {
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var key = _p.r(2);
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var KeyControl = _p.r(3);
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/**** Dom Utils ****/
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function createElement(name) {
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return document.createElement(name);
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}
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function setElementAttribute(element, name, value) {
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element.setAttribute(name, value);
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}
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function getElementAttribute(element, name) {
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return element.getAttribute(name);
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}
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function addElementClass(element, name) {
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element.classList.add(name);
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}
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function removeElementClass(element, name) {
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element.classList.remove(name);
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}
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function appendChild(parent, child) {
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parent.appendChild(child);
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}
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/*******************/
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var IDLE = HotBox.STATE_IDLE = "idle";
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var div = "div";
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/**
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* Simple Formatter
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*/
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function format(template, args) {
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if (typeof args != "object") {
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args = [].slice.apply(arguments, 1);
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}
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return String(template).replace(/\{(\w+)\}/g, function(match, name) {
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return args[name] || match;
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});
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}
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/**
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* Hot Box Class
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*/
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function HotBox($container) {
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if (typeof $container == "string") {
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$container = document.querySelector($container);
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}
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if (!$container || !($container instanceof HTMLElement)) {
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throw new Error("No container or not invalid container for hot box");
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}
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// 创建 HotBox Dom 解构
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var $hotBox = createElement(div);
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addElementClass($hotBox, "hotbox");
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appendChild($container, $hotBox);
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// 保存 Dom 解构和父容器
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this.$element = $hotBox;
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this.$container = $container;
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// 标示是否是输入法状态
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this.isIME = false;
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/**
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* @Desc: 增加一个browser用于判断浏览器类型，方便解决兼容性问题
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* @Editor: Naixor
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* @Date: 2015.09.14
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*/
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this.browser = {
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sg: /se[\s\S]+metasr/.test(navigator.userAgent.toLowerCase())
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};
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/*
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* added by zhangbobell
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* 2015.09.22
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* 增加父状态机，以解决在父 FSM 下状态控制的问题，最好的解决办法是增加一个函数队列
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* 将其中的函数一起执行。//TODO
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* */
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this._parentFSM = {};
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// 记录位置
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this.position = {};
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// 已定义的状态（string => HotBoxState）
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var _states = {};
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// 主状态（HotBoxState）
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var _mainState = null;
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// 当前状态（HotBoxState）
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var _currentState = IDLE;
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// 当前状态堆栈
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var _stateStack = [];
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// 实例引用
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var _this = this;
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var _controler;
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/**
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* Controller: {
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* constructor(hotbox: HotBox),
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* active: () => void
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* }
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*/
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function _control(Controller) {
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if (_controler) {
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_controler.active();
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return;
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}
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Controller = Controller || KeyControl;
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_controler = new Controller(_this);
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_controler.active();
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$hotBox.onmousedown = function(e) {
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e.stopPropagation();
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e.preventDefault();
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};
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return _this;
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}
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function _dispatchKey(e) {
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var type = e.type.toLowerCase();
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e.keyHash = key.hash(e);
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e.isKey = function(keyExpression) {
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if (!keyExpression) return false;
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var expressions = keyExpression.split(/\s*\|\s*/);
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while (expressions.length) {
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if (e.keyHash == key.hash(expressions.shift())) return true;
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}
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return false;
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};
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e[type] = true;
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// Boot: keyup and activeKey pressed on IDLE, active main state.
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if (e.keyup && _this.activeKey && e.isKey(_this.activeKey) && _currentState == IDLE && _mainState) {
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_activeState("main", {
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x: $container.clientWidth / 2,
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y: $container.clientHeight / 2
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});
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return;
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}
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var handleState = _currentState == IDLE ? _mainState : _currentState;
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if (handleState) {
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var handleResult = handleState.handleKeyEvent(e);
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if (typeof _this.onkeyevent == "function") {
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e.handleResult = handleResult;
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_this.onkeyevent(e, handleResult);
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}
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return handleResult;
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}
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return null;
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}
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function _addState(name) {
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if (!name) return _currentState;
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if (name == IDLE) {
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throw new Error("Can not define or use the `idle` state.");
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}
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_states[name] = _states[name] || new HotBoxState(this, name);
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if (name == "main") {
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_mainState = _states[name];
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}
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return _states[name];
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}
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function _activeState(name, position) {
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_this.position = position;
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// 回到 IDLE
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if (name == IDLE) {
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if (_currentState != IDLE) {
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_stateStack.shift().deactive();
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_stateStack = [];
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}
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_currentState = IDLE;
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} else if (name == "back") {
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if (_currentState != IDLE) {
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_currentState.deactive();
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_stateStack.shift();
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_currentState = _stateStack[0];
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if (_currentState) {
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_currentState.active();
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} else {
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_currentState = "idle";
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}
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}
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} else {
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if (_currentState != IDLE) {
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_currentState.deactive();
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}
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var newState = _states[name];
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_stateStack.unshift(newState);
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if (typeof _this.position == "function") {
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position = _this.position(position);
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}
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newState.active(position);
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_currentState = newState;
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}
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}
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function setParentFSM(fsm) {
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_this._parentFSM = fsm;
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}
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function getParentFSM() {
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return _this._parentFSM;
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}
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this.control = _control;
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this.state = _addState;
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this.active = _activeState;
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this.dispatch = _dispatchKey;
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this.setParentFSM = setParentFSM;
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this.getParentFSM = getParentFSM;
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this.activeKey = "space";
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this.actionKey = "space";
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}
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/**
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* 表示热盒某个状态，包含这些状态需要的 Dom 对象
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*/
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function HotBoxState(hotBox, stateName) {
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var BUTTON_SELECTED_CLASS = "selected";
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var BUTTON_PRESSED_CLASS = "pressed";
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var STATE_ACTIVE_CLASS = "active";
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// 状态容器
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var $state = createElement(div);
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// 四种可见的按钮容器
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var $center = createElement(div);
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var $ring = createElement(div);
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var $ringShape = createElement("div");
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var $top = createElement(div);
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var $bottom = createElement(div);
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// 添加 CSS 类
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addElementClass($state, "state");
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addElementClass($state, stateName);
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addElementClass($center, "center");
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addElementClass($ring, "ring");
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addElementClass($ringShape, "ring-shape");
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addElementClass($top, "top");
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addElementClass($bottom, "bottom");
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// 摆放容器
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appendChild(hotBox.$element, $state);
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appendChild($state, $ringShape);
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appendChild($state, $center);
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appendChild($state, $ring);
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appendChild($state, $top);
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appendChild($state, $bottom);
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// 记住状态名称
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this.name = stateName;
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// 五种按钮：中心，圆环，上栏，下栏，幕后
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var buttons = {
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center: null,
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ring: [],
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top: [],
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bottom: [],
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behind: []
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};
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var allButtons = [];
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var selectedButton = null;
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var pressedButton = null;
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var stateActived = false;
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// 布局，添加按钮后，标记需要布局
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var needLayout = true;
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function layout() {
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var radius = buttons.ring.length * 15;
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layoutRing(radius);
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layoutTop(radius);
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layoutBottom(radius);
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indexPosition();
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needLayout = false;
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function layoutRing(radius) {
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var ring = buttons.ring;
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var step = 2 * Math.PI / ring.length;
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if (buttons.center) {
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buttons.center.indexedPosition = [ 0, 0 ];
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}
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$ringShape.style.marginLeft = $ringShape.style.marginTop = -radius + "px";
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$ringShape.style.width = $ringShape.style.height = radius + radius + "px";
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var $button, angle, x, y;
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for (var i = 0; i < ring.length; i++) {
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$button = ring[i].$button;
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angle = step * i - Math.PI / 2;
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x = radius * Math.cos(angle);
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y = radius * Math.sin(angle);
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ring[i].indexedPosition = [ x, y ];
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$button.style.left = x + "px";
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$button.style.top = y + "px";
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}
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}
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function layoutTop(radius) {
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var xOffset = -$top.clientWidth / 2;
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var yOffset = -radius * 2 - $top.clientHeight / 2;
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$top.style.marginLeft = xOffset + "px";
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$top.style.marginTop = yOffset + "px";
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buttons.top.forEach(function(topButton) {
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var $button = topButton.$button;
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topButton.indexedPosition = [ xOffset + $button.offsetLeft + $button.clientWidth / 2, yOffset ];
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});
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}
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function layoutBottom(radius) {
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var xOffset = -$bottom.clientWidth / 2;
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var yOffset = radius * 2 - $bottom.clientHeight / 2;
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$bottom.style.marginLeft = xOffset + "px";
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$bottom.style.marginTop = yOffset + "px";
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buttons.bottom.forEach(function(bottomButton) {
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var $button = bottomButton.$button;
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bottomButton.indexedPosition = [ xOffset + $button.offsetLeft + $button.clientWidth / 2, yOffset ];
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});
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}
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function indexPosition() {
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var positionedButtons = allButtons.filter(function(button) {
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return button.indexedPosition;
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});
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positionedButtons.forEach(findNeightbour);
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function findNeightbour(button) {
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var neighbor = {};
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var coef = 0;
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var minCoef = {};
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var homePosition = button.indexedPosition;
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var candidatePosition, dx, dy, ds;
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var possible, dir;
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var abs = Math.abs;
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positionedButtons.forEach(function(candidate) {
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if (button == candidate) return;
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candidatePosition = candidate.indexedPosition;
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possible = [];
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dx = candidatePosition[0] - homePosition[0];
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dy = candidatePosition[1] - homePosition[1];
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ds = Math.sqrt(dx * dx + dy * dy);
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if (abs(dx) > 2) {
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possible.push(dx > 0 ? "right" : "left");
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possible.push(ds + abs(dy));
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}
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if (abs(dy) > 2) {
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possible.push(dy > 0 ? "down" : "up");
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possible.push(ds + abs(dx));
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}
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while (possible.length) {
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dir = possible.shift();
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coef = possible.shift();
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if (!neighbor[dir] || coef < minCoef[dir]) {
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neighbor[dir] = candidate;
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minCoef[dir] = coef;
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}
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}
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});
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button.neighbor = neighbor;
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}
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}
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}
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function alwaysEnable() {
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return true;
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}
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// 为状态创建按钮
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function createButton(option) {
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var $button = createElement(div);
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addElementClass($button, "button");
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var render = option.render || defaultButtonRender;
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$button.innerHTML = render(format, option);
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switch (option.position) {
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case "center":
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appendChild($center, $button);
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break;
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case "ring":
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appendChild($ring, $button);
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break;
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case "top":
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appendChild($top, $button);
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break;
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case "bottom":
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appendChild($bottom, $button);
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break;
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}
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return {
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action: option.action,
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enable: option.enable || alwaysEnable,
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beforeShow: option.beforeShow,
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key: option.key,
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next: option.next,
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label: option.label,
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data: option.data || null,
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$button: $button
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};
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}
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// 默认按钮渲染
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function defaultButtonRender(format, option) {
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return format('<span class="label">{label}</span><span class="key">{key}</span>', {
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label: option.label,
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key: option.key && option.key.split("|")[0]
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});
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}
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// 为当前状态添加按钮
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this.button = function(option) {
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var button = createButton(option);
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if (option.position == "center") {
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buttons.center = button;
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} else if (buttons[option.position]) {
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buttons[option.position].push(button);
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}
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allButtons.push(button);
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needLayout = true;
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};
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function activeState(position) {
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position = position || {
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x: hotBox.$container.clientWidth / 2,
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y: hotBox.$container.clientHeight / 2
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};
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if (position) {
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$state.style.left = position.x + "px";
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$state.style.top = position.y + "px";
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}
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allButtons.forEach(function(button) {
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var $button = button.$button;
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if ($button) {
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$button.classList[button.enable() ? "add" : "remove"]("enabled");
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}
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if (button.beforeShow) {
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button.beforeShow();
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}
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});
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addElementClass($state, STATE_ACTIVE_CLASS);
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if (needLayout) {
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layout();
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}
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if (!selectedButton) {
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select(buttons.center || buttons.ring[0] || buttons.top[0] || buttons.bottom[0]);
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}
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stateActived = true;
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}
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function deactiveState() {
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removeElementClass($state, STATE_ACTIVE_CLASS);
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select(null);
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stateActived = false;
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}
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// 激活当前状态
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this.active = activeState;
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// 反激活当前状态
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this.deactive = deactiveState;
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function press(button) {
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if (pressedButton && pressedButton.$button) {
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removeElementClass(pressedButton.$button, BUTTON_PRESSED_CLASS);
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}
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pressedButton = button;
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if (pressedButton && pressedButton.$button) {
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addElementClass(pressedButton.$button, BUTTON_PRESSED_CLASS);
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}
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}
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function select(button) {
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if (selectedButton && selectedButton.$button) {
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if (selectedButton.$button) {
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removeElementClass(selectedButton.$button, BUTTON_SELECTED_CLASS);
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}
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}
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selectedButton = button;
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if (selectedButton && selectedButton.$button) {
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addElementClass(selectedButton.$button, BUTTON_SELECTED_CLASS);
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}
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}
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$state.onmouseup = function(e) {
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if (e.button) return;
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var target = e.target;
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while (target && target != $state) {
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if (target.classList.contains("button")) {
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allButtons.forEach(function(button) {
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if (button.$button == target) {
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execute(button);
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}
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});
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}
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target = target.parentNode;
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}
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};
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this.handleKeyEvent = function(e) {
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var handleResult = null;
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/**
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* @Desc: 搜狗浏览器下esc只触发keyup，因此做兼容性处理
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|
* @Editor: Naixor
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|
* @Date: 2015.09.14
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*/
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if (hotBox.browser.sg) {
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if (e.isKey("esc")) {
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if (pressedButton) {
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// 若存在已经按下的按钮，则取消操作
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if (!e.isKey(pressedButton.key)) {
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// the button is not esc
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press(null);
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}
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} else {
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hotBox.active("back", hotBox.position);
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|
}
|
|
return "back";
|
|
}
|
|
}
|
|
if (e.keydown || hotBox.isIME && e.keyup) {
|
|
allButtons.forEach(function(button) {
|
|
if (button.enable() && e.isKey(button.key)) {
|
|
if (stateActived || hotBox.hintDeactiveMainState) {
|
|
select(button);
|
|
press(button);
|
|
handleResult = "buttonpress";
|
|
// 如果是 keyup 事件触发的，因为没有后续的按键事件，所以就直接执行
|
|
if (e.keyup) {
|
|
execute(button);
|
|
handleResult = "execute";
|
|
return handleResult;
|
|
}
|
|
} else {
|
|
execute(button);
|
|
handleResult = "execute";
|
|
}
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
if (!stateActived && hotBox.hintDeactiveMainState) {
|
|
hotBox.active(stateName, hotBox.position);
|
|
}
|
|
}
|
|
});
|
|
if (stateActived) {
|
|
if (e.isKey("esc")) {
|
|
if (pressedButton) {
|
|
// 若存在已经按下的按钮，则取消操作
|
|
if (!e.isKey(pressedButton.key)) {
|
|
// the button is not esc
|
|
press(null);
|
|
}
|
|
} else {
|
|
hotBox.active("back", hotBox.position);
|
|
}
|
|
return "back";
|
|
}
|
|
[ "up", "down", "left", "right" ].forEach(function(dir) {
|
|
if (!e.isKey(dir)) return;
|
|
if (!selectedButton) {
|
|
select(buttons.center || buttons.ring[0] || buttons.top[0] || buttons.bottom[0]);
|
|
return;
|
|
}
|
|
var neighbor = selectedButton.neighbor[dir];
|
|
while (neighbor && !neighbor.enable()) {
|
|
neighbor = neighbor.neighbor[dir];
|
|
}
|
|
if (neighbor) {
|
|
select(neighbor);
|
|
}
|
|
handleResult = "navigate";
|
|
});
|
|
// 若是由 keyup 触发的，则直接执行选中的按钮
|
|
if (e.isKey("space") && e.keyup) {
|
|
execute(selectedButton);
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
handleResult = "execute";
|
|
} else if (e.isKey("space") && selectedButton) {
|
|
press(selectedButton);
|
|
handleResult = "buttonpress";
|
|
} else if (pressedButton && pressedButton != selectedButton) {
|
|
press(null);
|
|
handleResult = "selectcancel";
|
|
}
|
|
}
|
|
} else if (e.keyup && (stateActived || !hotBox.hintDeactiveMainState)) {
|
|
if (pressedButton) {
|
|
if (e.isKey("space") && selectedButton == pressedButton || e.isKey(pressedButton.key)) {
|
|
execute(pressedButton);
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
handleResult = "execute";
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Add by zhangbobell 2015.09.06
|
|
* 增加了下面这一个判断因为 safari 下开启输入法后，所有的 keydown 的 keycode 都为 229，
|
|
* 只能以 keyup 的 keycode 进行判断
|
|
* */
|
|
hotBox.isIME = e.keyCode == 229 && e.keydown;
|
|
return handleResult;
|
|
};
|
|
function execute(button) {
|
|
if (button) {
|
|
if (!button.enable || button.enable()) {
|
|
if (button.action) button.action(button);
|
|
hotBox.active(button.next || IDLE, hotBox.position);
|
|
}
|
|
press(null);
|
|
select(null);
|
|
}
|
|
}
|
|
}
|
|
module.exports = HotBox;
|
|
}
|
|
};
|
|
|
|
//src/key.js
|
|
_p[2] = {
|
|
value: function(require, exports, module) {
|
|
var keymap = _p.r(4);
|
|
var CTRL_MASK = 4096;
|
|
var ALT_MASK = 8192;
|
|
var SHIFT_MASK = 16384;
|
|
function hash(unknown) {
|
|
if (typeof unknown == "string") {
|
|
return hashKeyExpression(unknown);
|
|
}
|
|
return hashKeyEvent(unknown);
|
|
}
|
|
function is(a, b) {
|
|
return a && b && hash(a) == hash(b);
|
|
}
|
|
exports.hash = hash;
|
|
exports.is = is;
|
|
function hashKeyEvent(keyEvent) {
|
|
var hashCode = 0;
|
|
if (keyEvent.ctrlKey || keyEvent.metaKey) {
|
|
hashCode |= CTRL_MASK;
|
|
}
|
|
if (keyEvent.altKey) {
|
|
hashCode |= ALT_MASK;
|
|
}
|
|
if (keyEvent.shiftKey) {
|
|
hashCode |= SHIFT_MASK;
|
|
}
|
|
// Shift, Control, Alt KeyCode ignored.
|
|
if ([ 16, 17, 18, 91 ].indexOf(keyEvent.keyCode) == -1) {
|
|
hashCode |= keyEvent.keyCode;
|
|
}
|
|
return hashCode;
|
|
}
|
|
function hashKeyExpression(keyExpression) {
|
|
var hashCode = 0;
|
|
keyExpression.toLowerCase().split(/\s*\+\s*/).forEach(function(name) {
|
|
switch (name) {
|
|
case "ctrl":
|
|
case "cmd":
|
|
hashCode |= CTRL_MASK;
|
|
break;
|
|
|
|
case "alt":
|
|
hashCode |= ALT_MASK;
|
|
break;
|
|
|
|
case "shift":
|
|
hashCode |= SHIFT_MASK;
|
|
break;
|
|
|
|
default:
|
|
hashCode |= keymap[name];
|
|
}
|
|
});
|
|
return hashCode;
|
|
}
|
|
}
|
|
};
|
|
|
|
//src/keycontrol.js
|
|
_p[3] = {
|
|
value: function(require, exports, module) {
|
|
var key = _p.r(2);
|
|
var FOCUS_CLASS = "hotbox-focus";
|
|
var RECEIVER_CLASS = "hotbox-key-receiver";
|
|
function KeyControl(hotbox) {
|
|
var _this = this;
|
|
var _receiver;
|
|
var _actived = true;
|
|
var _receiverIsSelfCreated = false;
|
|
var $container = hotbox.$container;
|
|
_createReceiver();
|
|
_bindReceiver();
|
|
_bindContainer();
|
|
_active();
|
|
function _createReceiver() {
|
|
_receiver = document.createElement("input");
|
|
_receiver.classList.add(RECEIVER_CLASS);
|
|
$container.appendChild(_receiver);
|
|
_receiverIsSelfCreated = true;
|
|
}
|
|
function _bindReceiver() {
|
|
_receiver.onkeyup = _handle;
|
|
_receiver.onkeypress = _handle;
|
|
_receiver.onkeydown = _handle;
|
|
_receiver.onfocus = _active;
|
|
_receiver.onblur = _deactive;
|
|
if (_receiverIsSelfCreated) {
|
|
_receiver.oninput = function(e) {
|
|
_receiver.value = null;
|
|
};
|
|
}
|
|
}
|
|
function _bindContainer() {
|
|
$container.onmousedown = function(e) {
|
|
_active();
|
|
e.preventDefault();
|
|
};
|
|
}
|
|
function _handle(keyEvent) {
|
|
if (!_actived) return;
|
|
hotbox.dispatch(keyEvent);
|
|
}
|
|
function _active() {
|
|
_receiver.select();
|
|
_receiver.focus();
|
|
_actived = true;
|
|
$container.classList.add(FOCUS_CLASS);
|
|
}
|
|
function _deactive() {
|
|
_receiver.blur();
|
|
_actived = false;
|
|
$container.classList.remove(FOCUS_CLASS);
|
|
}
|
|
this.handle = _handle;
|
|
this.active = _active;
|
|
this.deactive = _deactive;
|
|
}
|
|
module.exports = KeyControl;
|
|
}
|
|
};
|
|
|
|
//src/keymap.js
|
|
_p[4] = {
|
|
value: function(require, exports, module) {
|
|
var keymap = {
|
|
Shift: 16,
|
|
Control: 17,
|
|
Alt: 18,
|
|
CapsLock: 20,
|
|
BackSpace: 8,
|
|
Tab: 9,
|
|
Enter: 13,
|
|
Esc: 27,
|
|
Space: 32,
|
|
PageUp: 33,
|
|
PageDown: 34,
|
|
End: 35,
|
|
Home: 36,
|
|
Insert: 45,
|
|
Left: 37,
|
|
Up: 38,
|
|
Right: 39,
|
|
Down: 40,
|
|
Direction: {
|
|
37: 1,
|
|
38: 1,
|
|
39: 1,
|
|
40: 1
|
|
},
|
|
Delete: 46,
|
|
NumLock: 144,
|
|
Cmd: 91,
|
|
CmdFF: 224,
|
|
F1: 112,
|
|
F2: 113,
|
|
F3: 114,
|
|
F4: 115,
|
|
F5: 116,
|
|
F6: 117,
|
|
F7: 118,
|
|
F8: 119,
|
|
F9: 120,
|
|
F10: 121,
|
|
F11: 122,
|
|
F12: 123,
|
|
"`": 192,
|
|
"=": 187,
|
|
"-": 189,
|
|
"/": 191,
|
|
".": 190
|
|
};
|
|
// 小写适配
|
|
for (var key in keymap) {
|
|
if (keymap.hasOwnProperty(key)) {
|
|
keymap[key.toLowerCase()] = keymap[key];
|
|
}
|
|
}
|
|
var aKeyCode = 65;
|
|
var aCharCode = "a".charCodeAt(0);
|
|
// letters
|
|
"abcdefghijklmnopqrstuvwxyz".split("").forEach(function(letter) {
|
|
keymap[letter] = aKeyCode + (letter.charCodeAt(0) - aCharCode);
|
|
});
|
|
// numbers
|
|
var n = 9;
|
|
do {
|
|
keymap[n.toString()] = n + 48;
|
|
} while (n--);
|
|
module.exports = keymap;
|
|
}
|
|
};
|
|
|
|
var moduleMapping = {
|
|
expose: 0
|
|
};
|
|
|
|
function use(name) {
|
|
_p.r([ moduleMapping[name] ]);
|
|
}
|
|
use('expose');
|
|
})();
|