MUI poppicker.js 增加搜索框

//修改popicker.js

(function ($, document) {

//创建 DOM
$.dom = function (str) {
if (typeof (str) !== ‘string‘) {
if ((str instanceof Array) || (str[0] && str.length)) {
return [].slice.call(str);
} else {
return [str];
}
}
if (!$.__create_dom_div__) {
$.__create_dom_div__ = document.createElement(‘div‘);
}
$.__create_dom_div__.innerHTML = str;
return [].slice.call($.__create_dom_div__.childNodes);
};

var panelBuffer = ‘

var pickerBuffer = ‘

//定义弹出选择器类
var PopPicker = $.PopPicker = $.Class.extend({
//构造函数
init: function (options) {
var self = this;
self.options = options || {};
self.options.buttons = self.options.buttons || [‘取消‘, ‘确定‘];
self.panel = $.dom(panelBuffer)[0];
document.body.appendChild(self.panel);
self.ok = self.panel.querySelector(‘.mui-poppicker-btn-ok‘);
self.cancel = self.panel.querySelector(‘.mui-poppicker-btn-cancel‘);
self.body = self.panel.querySelector(‘.mui-poppicker-body‘);
self.mask = $.createMask();
self.cancel.innerText = self.options.buttons[0];
self.ok.innerText = self.options.buttons[1];
if(self.options.search){
self.search = self.panel.querySelector(‘.popickeri-search‘);
self.search.addEventListener(‘tap‘, function (event) {
self.search.focus()
}, false);
self.search.addEventListener(‘input‘, function (event) {
var iptVal=this.value
var pickersData = self.pickersData.filter(function(o){
return o.text.includes(iptVal)
})
self.setData(pickersData)
}, false);
}
else{
self.panel.querySelector(‘.popickeri-search‘).remove()
}
self.cancel.addEventListener(‘tap‘, function (event) {
self.hide();
}, false);
self.ok.addEventListener(‘tap‘, function (event) {
if (self.callback) {
var rs = self.callback(self.getSelectedItems());
if (rs !== false) {
self.hide();
}
}
}, false);
self.mask[0].addEventListener(‘tap‘, function () {
self.hide();
}, false);
self._createPicker();
//防止滚动穿透
self.panel.addEventListener($.EVENT_START, function (event) {
event.preventDefault();
}, false);
self.panel.addEventListener($.EVENT_MOVE, function (event) {
event.preventDefault();
}, false);
},
_createPicker: function () {
var self = this;
var layer = self.options.layer || 1;
var width = (100 / layer) + ‘%‘;
self.pickers = [];
for (var i = 1; i <= layer; i++) {
var pickerElement = $.dom(pickerBuffer)[0];
pickerElement.style.width = width;
self.body.appendChild(pickerElement);
var picker = $(pickerElement).picker();
self.pickers.push(picker);
pickerElement.addEventListener(‘change‘, function (event) {
var nextPickerElement = this.nextSibling;
if (nextPickerElement && nextPickerElement.picker) {
var eventData = event.detail || {};
var preItem = eventData.item || {};
nextPickerElement.picker.setItems(preItem.children);
}
}, false);
}
},
//填充数据
setData: function (data) {
var self = this;
data = data || [];
self.pickersData = self.pickersData || data
self.pickers[0].setItems(data);
},
//获取选中的项（数组）
getSelectedItems: function () {
var self = this;
var items = [];
for (var i in self.pickers) {
var picker = self.pickers[i];
items.push(picker.getSelectedItem() || {});
}
return items;
},
//显示
show: function (callback, cancelCB) {
var self = this;
self.callback = callback;
self.cancelCB = cancelCB;
self.mask.show();
document.body.classList.add($.className(‘poppicker-active-for-page‘));
self.panel.classList.add($.className(‘active‘));
//处理物理返回键
self.__back = $.back;
$.back = function () {
self.hide();
};
},
//隐藏
hide: function () {
var self = this;
if (self.disposed) return;
self.panel.classList.remove($.className(‘active‘));
self.mask.close();
if (self.cancelCB) { // 添加判断，兼容不传第二个参数的情况
self.cancelCB();
}
document.body.classList.remove($.className(‘poppicker-active-for-page‘));
//处理物理返回键
$.back = self.__back;
},
dispose: function () {
var self = this;
self.hide();
setTimeout(function () {
self.panel.parentNode.removeChild(self.panel);
for (var name in self) {
self[name] = null;
delete self[name];
};
self.disposed = true;
}, 300);
}
});

})(mui, document);

//需要搜索框则传search:true

new $.PopPicker({search:true});

//文本框样式

原文：https://www.cnblogs.com/HCXiao/p/14816566.html