3a3ecabe
 Imshann
init
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/**
* 级联
*
* @Author: Shann
* @LastEditors: Shann
* @Date: 2021-08-04 09:48:49
* @LastEditTime: 2021-08-04 11:00:19
* @Copyright: Copyright 2021-2021, all rights reserved. Essa.cn
*/
angular.module("esNgAntd").directive("esCascader", function () {
return {
controllerAs: "esCascader",
restrict: "E",
transclude: true,
replace: true,
scope: {
options: "=",
},
controller: function ($scope, $element) {
this.getContext = function () {
return $scope;
};
$scope.state = {
options: [],
menus: [],
};
$scope.flatten = function (array, level = 1) {
let elements = [];
array.forEach((element) => {
element.level = level;
elements.push(element);
if (
typeof element.children !== "undefined" &&
element.children.length > 0
) {
elements = elements.concat(
$scope.flatten(element.children, level + 1)
);
}
});
return elements;
};
$scope.handleFocus = function () {
$scope.state.menus.push($scope.options);
};
$scope.handleBlur = function () {
$scope.state.menus = [];
};
$scope.handleExpand = function (value) {
let current = $scope.state.options.filter(
(item) => item.value === value
)[0];
if ($scope.state.menus.length > current.level) {
$scope.state.menus.splice(current.level);
}
if (
typeof current.children !== "undefined" &&
current.children.length > 0
) {
$scope.state.menus.push(current.children);
}
};
},
link: function ($scope, $element, $attrs, $controllers, $transclude) {
$scope.state.options = $scope.flatten($scope.options);
},
};
});
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