我想在执行操作之前向用户显示弹出式警告模式(在这种情况下,删除)。如果他们点击模式中的okay
,则会继续,如果他们点击cancel
,则会执行其他操作。
要做到这一点,我试图将链中的模态承诺传递回初始调用$rootScope.openDirections('warning').then(...
,以便我可以决定在那里做什么。
但是我收到了错误:
$ rootScope.openDirections(...)。然后不是函数 at Scope.$scope.deleteObj
告诉我承诺没有被退回:
$scope.deleteObj = function (id, type) {
$rootScope.openDirections('warning').then(function (res) {
// Do Stuff
}, function (err) {
console.log('ERROR', err);
});
这会调用$ rootScope函数:(我看到这里的对象类型是一个promise ...所以它现在不应该返回原始调用者吗?)
$rootScope.openDirections = function (type) {
// A Promise: Object {result: Promise, opened: Promise, rendered: Promise}
return Modal.showDirections(type);
};
调用Modal
工厂打开方向模式:
return {
...
showDirections: function(type) {
return $modal.open({
backdrop: 'static',
templateUrl: 'modal.html',
controller: 'directionsCtrl',
resolve: {
// Display custom modal template
obj: function () {
if (type === 'markdown') {
return {
template: '/modals/directions.html'
};
} else {
return {
template: '/modals/message.html'
};
}
},
testID : function () {
return 'WHAT DO I RETURN HERE?';
}
}
});
}
其中呈现message.html
模态模板:
<div class="admin-directions">
<div class="directions">
ARE YOU SURE YOU WANT TO DELETE THIS?
</div>
<p class="dismiss-admin-help" ng-click="okay()">Okay</p>
<p class="dismiss-admin-help" ng-click="cancel()">Cancel</p>
</div>
使用directionsCtrl
作为模态:
angular
.module('DDE')
.controller('directionsCtrl', ['$rootScope', '$scope', '$modalInstance', 'Modal', 'obj', 'Auth', 'VARS', '$route', '$location', 'testID',
function ($rootScope, $scope, $modalInstance, Modal, obj, Auth, VARS, $route, $location, testID) {
$scope.template = obj.template;
$scope.testID = '';
/**
* Dismiss modal
*/
$scope.ok = function() {
$scope.testID = 'okay';
return $modalInstance.result($scope.testID);
};
$scope.cancel = function() {
$scope.testID = 'cancel';
return $modalInstance.result($scope.testID);
};
}]);
答案 0 :(得分:1)
$ modal.open返回一个$ modalInstance,它有一个名为result的属性,即promise。你必须在那上面调用.then()。所以在你的情况下,你想要这个:
$rootScope.openDirections('warning').result.then(function (res) {
// Do Stuff
}, function (err) {
console.log('ERROR', err);
});
或者,在您的openDirections方法中,您可以返回承诺:
showDirections: function(type) {
return $modal.open({
//all your current stuff stays the same here
}).result; //<-- notice that you are now returning the promise
}