easyui中combobox带checkbox的全选功能

var getData = function () {
var data;
$.ajax({
url: '/getMATTypeList',
type: 'get',
async: false,
success: function (result) {
data = result;
//数组开始位置添加元素
data.unshift({"G_MATTYPENAME": "全选", "G_MATTYPECODE": ""});
}
});
return data;
}

function initMatTypeCombobox(){
$('#G_MATTYPECODE').combobox({
valueField: 'G_MATTYPECODE',
textField: 'G_MATTYPENAME',
multiple: true,
editable: false,
panelHeight: 200,
readonly: false,
data: getData(),
onClick: function (record) {
var valueField = $("#G_MATTYPECODE").combobox("options").valueField;
if (!record[valueField]) {
var data = $("#G_MATTYPECODE").combobox("getData");
var values = $("#G_MATTYPECODE").combobox("getValues");
var selectVaues = [];
if ((data.length - 1) != values.length) {
data.reduce(function (prev, current, index, array) {
selectVaues.push(current[valueField]);
}, selectVaues);
} else {
selectVaues.push(record[valueField]);
}
$("#G_MATTYPECODE").combobox('setValues', selectVaues);
}
},
formatter: function (row) { //formatter方法就是实现了在每个下拉选项前面增加checkbox框的方法
var opts = $("#G_MATTYPECODE").combobox('options');
return '<input type="checkbox" class="combobox-checkbox">' + row[opts.textField]
},
onSelect: function (row) { //选中一个选项时调用
var opts = $(this).combobox('options');
//设置选中值所对应的复选框为选中状态
var el = opts.finder.getEl(this, row[opts.valueField]);
el.find('input.combobox-checkbox')._propAttr('checked', true);
},
onUnselect: function (row) {//不选中一个选项时调用
var opts = $(this).combobox('options');
var el = opts.finder.getEl(this, row[opts.valueField]);
el.find('input.combobox-checkbox')._propAttr('checked', false);
}
});
}

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转载自www.cnblogs.com/fengyongli/p/11925882.html