TMRAppBle/script/mui.poppicker.js

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JavaScript
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2023-10-19 15:00:17 +08:00
/**
* 弹出选择列表插件
* 此组件依赖 listpcker 请在页面中先引入 mui.picker.css + mui.picker.js
* varstion 1.0.1
* by Houfeng
* Houfeng@DCloud.io
*/
(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 = '<div class="mui-poppicker">\
<div class="mui-poppicker-header">\
<button class="mui-btn mui-poppicker-btn-cancel">取消</button>\
<button class="mui-btn mui-btn-blue mui-poppicker-btn-ok">确定</button>\
<div class="mui-poppicker-clear"></div>\
</div>\
<div class="mui-poppicker-body">\
</div>\
</div>';
var pickerBuffer = '<div class="mui-picker">\
<div class="mui-picker-inner">\
<div class="mui-pciker-rule mui-pciker-rule-ft"></div>\
<ul class="mui-pciker-list">\
</ul>\
<div class="mui-pciker-rule mui-pciker-rule-bg"></div>\
</div>\
</div>';
//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 = $.createMask();
self.cancel.innerText = self.options.buttons[0];
self.ok.innerText = self.options.buttons[1];
self.cancel.addEventListener('tap', function(event) {
self.hide();
}, false);
self.ok.addEventListener('tap', function(event) {
if (self.callback) {
var rs = self.callback(self.getSelectedItems());
if (rs !== false) {
self.hide();
}
}
}, false);
self.mask[0].addEventListener('tap', function() {
self.hide();
}, false);
self._createPicker();
//防止滚动穿透
self.panel.addEventListener($.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 = $(pickerElement).picker();
self.pickers.push(picker);
pickerElement.addEventListener('change', function(event) {
var nextPickerElement = this.nextSibling;
if (nextPickerElement && nextPickerElement.picker) {
var eventData = event.detail || {};
var preItem = eventData.item || {};
nextPickerElement.picker.setItems(preItem.children);
}
}, false);
}
},
//填充数据
setData: function(data) {
var self = this;
data = data || [];
self.pickers[0].setItems(data);
},
//获取选中的项(数组)
getSelectedItems: function() {
var self = this;
var items = [];
for (var i in self.pickers) {
if(self.pickers.hasOwnProperty(i)) { // 修复for in会访问继承属性造成items报错情况
var picker = self.pickers[i];
items.push(picker.getSelectedItem() || {});
}
}
return items;
},
//显示
show: function(callback) {
var self = this;
self.callback = callback;
self.mask.show();
document.body.classList.add($.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();
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);