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-
- /**
- * 邮箱自动提示插件
- * @constructor EmailAutoComplete
- * @ options {object} 可配置项
- */
- function EmailAutoComplete(options) {
-
- this.config = {
- targetCls : '.inputElem', // 目标input元素
- parentCls : '.reg-form-content', // 当前input元素的父级类
- hiddenCls : '.hiddenCls', // 当前input隐藏域
- searchForm : '.jqtransformdone', //form表单
- hoverBg : 'hoverBg', // 鼠标移上去的背景
- inputValColor : 'black', // 输入框输入提示颜色
- mailArr : ["@qq.com","@gmail.com","@126.com","@163.com","@hotmail.com","@yahoo.com","@sohu.com","@sina.com"], //邮箱数组
- isSelectHide : true, // 点击下拉框 是否隐藏 默认为true
- callback : function() {
- $('.inputElem').focus();
- $('.inputElem').blur();
- } // 点击某一项回调函数
- };
- this.cache = {
- onlyFlag : true, // 只渲染一次
- currentIndex : -1,
- oldIndex : -1
- };
-
- this.init(options);
- }
- EmailAutoComplete.prototype = {
-
- constructor: EmailAutoComplete,
- init: function(options){
- this.config = $.extend(this.config,options || {});
- var self = this,
- _config = self.config,
- _cache = self.cache;
-
- $(_config.targetCls).each(function(index,item){
-
- $(item).keyup(function(e){
- var target = e.target,
- targetVal = $.trim($(this).val()),
- keycode = e.keyCode,
- elemHeight = $(this).outerHeight(),
- elemWidth = $(this).outerWidth(),
- parentNode = $(this).closest(_config.parentCls);
-
- $(parentNode).css({'position':'relative'});
- // 如果输入框值为空的话 那么下拉框隐藏
- if(targetVal == '') {
- $(item).attr({'data-html':''});
- // 给隐藏域赋值
- $(_config.hiddenCls,parentNode).val('');
- _cache.currentIndex = -1;
- _cache.oldIndex = -1;
- $(".auto-tip",parentNode) && !$(".auto-tip",parentNode).hasClass('hidden') && $(".auto-tip",parentNode).addClass('hidden');
- self._removeBg(parentNode);
- }else {
-
- $(item).attr({'data-html':targetVal});
- // 给隐藏域赋值
- $(_config.hiddenCls,parentNode).val(targetVal);
-
- $(".auto-tip",parentNode) && $(".auto-tip",parentNode).hasClass('hidden') && $(".auto-tip",parentNode).removeClass('hidden');
- // 渲染下拉框内容
- self._renderHTML({keycode:keycode,e:e,target:target,targetVal:targetVal,height:elemHeight,width:elemWidth,parentNode:parentNode});
- }
-
-
- });
- });
-
- // 阻止form表单默认enter键提交
- $(_config.searchForm).each(function(index,item) {
- $(item).keydown(function(e){
- var keyCode = e.keyCode;
- if(keyCode == 13) {
- return false;
- }
- });
- });
- // 点击文档document时候 下拉框隐藏掉
- $(document).click(function(e){
- e.stopPropagation();
- var target = e.target,
- tagCls = _config.targetCls.replace(/^\./,'');
- if(!$(target).hasClass(tagCls)) {
- $('.auto-tip') && $('.auto-tip').each(function(index,item){
- !$(item).hasClass('hidden') && $(item).addClass('hidden');
- });
- }
- });
- },
- /*
- * 渲染下拉框提示内容
- * @param cfg{object}
- */
- _renderHTML: function(cfg) {
- var self = this,
- _config = self.config,
- _cache = self.cache,
- curVal;
- var curIndex = self._keyCode(cfg.keycode);
-
- $('.auto-tip',cfg.parentNode).hasClass('hidden') && $('.auto-tip',cfg.parentNode).removeClass('hidden');
- if(curIndex > -1){
- // 键盘上下操作
- self._keyUpAndDown(cfg.targetVal,cfg.e,cfg.parentNode);
- }else {
- if(/@/.test(cfg.targetVal)) {
- curVal = cfg.targetVal.replace(/@.*/,'');
- }else {
- curVal = cfg.targetVal;
- }
- if(_cache.onlyFlag) {
- $(cfg.parentNode).append('<input type="hidden" class="hiddenCls"/>');
- var wrap = '<ul class="auto-tip">';
- for(var i = 0; i < _config.mailArr.length; i++) {
- wrap += '<li class="p-index'+i+'">'+'<span class="output-num"></span><em class="em" data-html="'+_config.mailArr[i]+'">'+_config.mailArr[i]+'</em></li>';
- }
- wrap += '</ul>';
- _cache.onlyFlag = false;
- $(cfg.parentNode).append(wrap);
- $('.auto-tip',cfg.parentNode).css({'position':'absolute','top':cfg.height,'width':cfg.width - 2 + 'px','left':0,
- 'border':'1px solid #ccc','z-index':10000});
- }
-
- // 给所有li添加属性 data-html
- $('.auto-tip li',cfg.parentNode).each(function(index,item){
- $('.output-num',item).html(curVal);
- !$('.output-num',item).hasClass(_config.inputValColor) &&
- $('.output-num',item).addClass(_config.inputValColor);
- var emVal = $.trim($('.em',item).attr('data-html'));
- $(item).attr({'data-html':curVal + '' +emVal});
- });
- // 精确匹配内容
- self._accurateMate({target:cfg.target,parentNode:cfg.parentNode});
- // 鼠标移到某一项li上面时候
- self._itemHover(cfg.parentNode);
-
- // 点击对应的项时
- self._executeClick(cfg.parentNode);
- }
-
- },
- /**
- * 精确匹配某项内容
- */
- _accurateMate: function(cfg) {
- var self = this,
- _config = self.config,
- _cache = self.cache;
-
- var curVal = $.trim($(cfg.target,cfg.parentNode).attr('data-html')),
- newArrs = [];
- if(/@/.test(curVal)) {
-
- // 获得@ 前面 后面的值
- var prefix = curVal.replace(/@.*/, ""),
- suffix = curVal.replace(/.*@/, "");
- $.map(_config.mailArr,function(n){
- var reg = new RegExp(suffix);
- if(reg.test(n)) {
- newArrs.push(n);
- }
- });
- if(newArrs.length > 0) {
- $('.auto-tip',cfg.parentNode).html('');
- $(".auto-tip",cfg.parentNode) && $(".auto-tip",cfg.parentNode).hasClass('hidden') &&
- $(".auto-tip",cfg.parentNode).removeClass('hidden');
- var html = '';
- for(var j = 0, jlen = newArrs.length; j < jlen; j++) {
- html += '<li class="p-index'+j+'">'+'<span class="output-num"></span><em class="em" data-html="'+newArrs[j]+'">'+newArrs[j]+'</em></li>';
- }
- $('.auto-tip',cfg.parentNode).html(html);
-
- // 给所有li添加属性 data-html
- $('.auto-tip li',cfg.parentNode).each(function(index,item){
- $('.output-num',item).html(prefix);
- !$('.output-num',item).hasClass(_config.inputValColor) &&
- $('.output-num',item).addClass(_config.inputValColor);
- var emVal = $.trim($('.em',item).attr('data-html'));
-
- $(item).attr('data-html','');
- $(item).attr({'data-html':prefix + '' +emVal});
- });
- // 精确匹配到某项时候 让当前的索引等于初始值
- _cache.currentIndex = -1;
- _cache.oldIndex = -1;
-
- $('.auto-tip .output-num',cfg.parentNode).html(prefix);
- // 鼠标移到某一项li上面时候
- self._itemHover(cfg.parentNode);
- // 点击对应的项时
- self._executeClick(cfg.parentNode);
- }else {
- $(".auto-tip",cfg.parentNode) && !$(".auto-tip",cfg.parentNode).hasClass('hidden') &&
- $(".auto-tip",cfg.parentNode).addClass('hidden');
- $('.auto-tip',cfg.parentNode).html('');
- }
- }
- },
- /*
- * 鼠标移到某一项li上时
- */
- _itemHover: function(parentNode) {
- var self = this,
- _config = self.config,
- _cache = self.cache;
- $('.auto-tip li',parentNode).hover(function(index,item) {
- !$(this).hasClass(_config.hoverBg) && $(this).addClass(_config.hoverBg);
- },function() {
- $(this).hasClass(_config.hoverBg) && $(this).removeClass(_config.hoverBg);
- });
- },
- /*
- * 当输入框值为空时候 li项都删掉class hoverBg
- */
- _removeBg: function(parentNode){
- var self = this,
- _config = self.config;
- $(".auto-tip li",parentNode).each(function(index,item){
- $(item).hasClass(_config.hoverBg) && $(item).removeClass(_config.hoverBg);
- });
- },
- /**
- * 键盘上下键操作
- */
- _keyUpAndDown: function(targetVal,e,parentNode) {
- var self = this,
- _cache = self.cache,
- _config = self.config;
- // 如果请求成功后 返回了数据(根据元素的长度来判断) 执行以下操作
- if($('.auto-tip' + ' li',parentNode) && $('.auto-tip' + ' li').length > 0) {
- var plen = $('.auto-tip' + ' li',parentNode).length,
- keyCode = e.keyCode;
- _cache.oldIndex = _cache.currentIndex;
-
- // 上移操作
- if(keyCode == 38) {
- if(_cache.currentIndex == -1) {
- _cache.currentIndex = plen - 1;
- }else {
- _cache.currentIndex = _cache.currentIndex - 1;
- if(_cache.currentIndex < 0) {
- _cache.currentIndex = plen - 1;
- }
- }
- if(_cache.currentIndex !== -1) {
-
- !$('.auto-tip .p-index'+_cache.currentIndex,parentNode).hasClass(_config.hoverBg) &&
- $('.auto-tip .p-index'+_cache.currentIndex,parentNode).addClass(_config.hoverBg).siblings().removeClass(_config.hoverBg);
- var curAttr = $('.auto-tip' + ' .p-index'+_cache.currentIndex,parentNode).attr('data-html');
- $(_config.targetCls,parentNode).val(curAttr);
-
- // 给隐藏域赋值
- $(_config.hiddenCls,parentNode).val(curAttr);
- }
- }else if(keyCode == 40) { //下移操作
- if(_cache.currentIndex == plen - 1) {
- _cache.currentIndex = 0;
- }else {
- _cache.currentIndex++;
- if(_cache.currentIndex > plen - 1) {
- _cache.currentIndex = 0;
- }
- }
- if(_cache.currentIndex !== -1) {
-
- !$('.auto-tip .p-index'+_cache.currentIndex,parentNode).hasClass(_config.hoverBg) &&
- $('.auto-tip .p-index'+_cache.currentIndex,parentNode).addClass(_config.hoverBg).siblings().removeClass(_config.hoverBg);
-
- var curAttr = $('.auto-tip' + ' .p-index'+_cache.currentIndex,parentNode).attr('data-html');
- $(_config.targetCls,parentNode).val(curAttr);
- // 给隐藏域赋值
- $(_config.hiddenCls,parentNode).val(curAttr);
- }
-
- }else if(keyCode == 13) { //回车操作
- var curVal = $('.auto-tip' + ' .p-index'+_cache.oldIndex,parentNode).attr('data-html');
- $(_config.targetCls,parentNode).val(curVal);
-
- // 给隐藏域赋值
- $(_config.hiddenCls,parentNode).val(curVal);
- if(_config.isSelectHide) {
- !$(".auto-tip",parentNode).hasClass('hidden') && $(".auto-tip",parentNode).addClass('hidden');
- }
- _config.callback && $.isFunction(_config.callback) && _config.callback();
- _cache.currentIndex = -1;
- _cache.oldIndex = -1;
-
- }
- }
- },
- _keyCode: function(code) {
- var arrs = ['17','18','38','40','37','39','33','34','35','46','36','13','45','44','145','19','20','9'];
- for(var i = 0, ilen = arrs.length; i < ilen; i++) {
- if(code == arrs[i]) {
- return i;
- }
- }
- return -1;
- },
- /**
- * 当数据相同的时 点击对应的项时 返回数据
- */
- _executeClick: function(parentNode) {
-
- var _self = this,
- _config = _self.config;
- $('.auto-tip' + ' li',parentNode).unbind('click');
- $('.auto-tip' + ' li',parentNode).bind('click',function(e){
- var dataAttr = $(this).attr('data-html');
- $(_config.targetCls,parentNode).val(dataAttr);
- if(_config.isSelectHide) {
- !$(".auto-tip",parentNode).hasClass('hidden') && $(".auto-tip",parentNode).addClass('hidden');
- }
- // 给隐藏域赋值
- $(_config.hiddenCls,parentNode).val(dataAttr);
- _config.callback && $.isFunction(_config.callback) && _config.callback();
-
- });
- }
- };
- // 初始化
- $(function() {
- new EmailAutoComplete({});
- });
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