<div class="full-row" ng-repeat="row in pendingRequests | orderBy: '-modificationDate' | partition:3">
<div class="one-third" ng-repeat="request in row track by request.id">
<div class="incoming_request" ng-class="actionClass(request)">
<div class="request_comments">
<hr>
<p><span>Recipients:</span></p>
<div class="comments">
<p ng-repeat="comment in request.comments track by comment.id" class="dont-break-out">
<span class="author" ng-bind="comment.userName | employeeName">:</span>
{{comment.text}}
<span ng-if="comment.status == State.APPROVED" class="approval success" ng-click="changestatus(comment, request)"><i class="fa fa-check"></i></span>
<span ng-if="comment.status == State.REJECTED" class="approval error" ng-click="changestatus(comment, request)"><i class="fa fa-times"></i></span>
<span ng-if="comment.status == State.PENDING" class="approval" ng-click="changestatus(comment, request)" title="{{showApproveTooltip(comment)?'Click to approve the request on behalf of this user':''}}"><i class="fa fa-clock-o"></i></span>
</p>
</div>
</div>
<div class="request_resolve">
<hr>
<div class="textarea-holder">
<textarea placeholder="Your comment..." ng-model="request.newComment" ng-model-options="{ updateOn: 'default blur'}"></textarea>
</div>
<div class="button-container">
<button ng-click="approve(request);" ng-disabled="request.isProcessing" class="btn btn-primary" am-hide-request-resolve-div>Confirm<i ng-hide="request.isProcessing" class="fa fa-check"></i><span ng-show="request.isProcessing" class="spinner no-hover"><a><i class="fa-li fa fa-spinner fa-spin"></i></a></span></button>
<button ng-click="reject(request);" ng-disabled="request.isProcessing" class="btn btn-default pull-right" am-hide-request-resolve-div>Reject <i class="fa fa-times"></i></button>
</div>
</div>
这是代码的和平。如您所见,有许多ng-repeat
。我的pendingRequests
集合经常从服务器更新。经过 3 次或更多更新后,当我单击某个按钮时,UI 上没有任何反应。
详:
批准时,单击我更改一个comment
的status
。
$scope.approve = function (request) {
var currentUserComment = request.comments.filter(function(comm) {
return comm.userId == user.id && comm.status == "Pending";
})[0];
currentUserComment.status = State.APPROVED; // change comments Status
currentUserComment.text = request.newComment;
delete request.newComment;
if (!currentUserComment) {
request.isProcessing = false;
return;
}
Comments.update(currentUserComment, function() {
// $rootScope.$broadcast('daysUpdated');
});
request.isProcessing = false;
};
这必须显示此跨度<span ng-if="comment.status == State.APPROVED" class="approval success" ng-click="changestatus(comment, request)"><i class="fa fa-check"></i></span>
,因为现在状态等于State.APPROVED
。但什么也没发生。
经过一些研究,我认为这一切都是因为ng-repeat
和收藏更新。
ng-repeat
为每个项目创建一个子作用域,因此作用域可能如下所示:
bookCtrl 范围 = { 标签: [ 'foo', 'bar', 'baz' ] }
ng-repeat
子作用域: { 标签: 'foo' }, { 标签: 'bar' }, { 标签: 'baz' }
因此,当我为某些request
更新comment.status
时,Angular 不知道它存在于什么范围内。
我说的对吗?我该如何解决我的问题(更改评论状态后显示正确的跨度)?
更简单的代码:
<div ng-repeat="request in requests">
<div ng-repeat="comment in request.comments">
<span ng-if="comment.status == State.APPROVED" class="approval success"><i class="fa fa-check"></i></span>
<span ng-if="comment.status == State.REJECTED" class="approval error"><i class="fa fa-times"></i></span>
<span ng-if="comment.status == State.PENDING" class="approval"><i class="fa fa-clock-o"></i></span>
</div>
<div>
<button ng-click="approve(request)">
Approve
</button>
</div>
</div>
和批准功能:
var user = LoggeInUser(); // some user who is loggedIn now
$scope.approve = function(request){
var currentUserComment = request.comments.filter(function(comm) {
return comm.userId == user.id && comm.status == "Pending";
})[0];
currentUserComment.status = State.APPROVED; // change comments Status
Comments.update(currentUserComment, function() { // send PUT request to API
// $rootScope.$broadcast('daysUpdated');
});
}
你可以找到将函数移动到$scope.functions.functionName的解决方案。我相信,从审查这一点来看,正如你在发言中提到的那样,你遇到了范围界定问题。
.JS
$scope.functions.approve = function () { ... }
.HTML
functions.approve(request)
您也可以查看使用控制器,因为有时这会有所帮助:
https://docs.angularjs.org/api/ng/directive/ngController