Currently, I am in the process of developing a basic app using AngularJS. The application initiates an asynchronous AJAX call to the server, which responds with an array structured as follows:
{
paragraphs: [
{content: "content one"},
{content: "cnt two"},
{content: "random three"},
{content: "last one yeeaah"}
]
}
Subsequently, I am assigning this content to the StorageService factory through the set method, and everything appears to be functioning correctly here.
In order to display the results, I have implemented the ng-repeat directive, along with integrating JQuery UI sortable to enable the reordering of elements. Upon swapping items, my script calls the StorageService.swap method to update the element order in StorageService. However, despite the changes being reflected in StorageService, ng-repeat fails to rerender the modified sequence. Oddly enough, removal, addition, or modification of content triggers the desired result. How can I compel Angular to refresh and rerender ng-repeat?
= JSFIDDLE =
= Example =
Following a swap event, ng-repeat should automatically update to ensure consecutive IDs.
= Code =
HTML
<div ng-controller="Test" sortable>
<div ng-repeat="item in data().paragraphs" class="box slide_content" id="{{$index}}">
{{item.content}}, ID: {{$index}}
</div>
<input type="button" ng-click="add()" value="Add">
</div>
JS
var App = angular.module("MyApp", []);
App.controller("Test", function($scope, StorageService) {
StorageService.set({
paragraphs: [
{content: "content one"},
{content: "cnt two"},
{content: "random three"},
{content: "last one yeeaah"}
]
});
$scope.data = StorageService.get;
$scope.add = StorageService.add;
});
App.directive("sortable", function(StorageService) {
return {
link: function(scope, element, attrs) {
$(element[0]).sortable({
cancel: ".disabled",
items: "> .slide_content:not(.disabled)",
start: function(e, t) {
t.item.data("start_pos", t.item.index());
},
stop: function(e, t) {
var r = t.item.data("start_pos");
if (r != t.item.index()) {
StorageService.sort($(this).sortable("toArray"));
}
}
});
}
};
});
App.factory('StorageService', function() {
var output = {};
return {
set: function(data) {
angular.copy(data, output);
return output;
},
get: function() {
return output;
},
add: function() {
output.paragraphs.push({
content: 'Content'
});
},
sort: function(order) {
var localOutput = [];
for (var j in order) {
var id = parseInt(order[j]);
localOutput.push(output.paragraphs[id]);
}
console.log('new order', localOutput);
output.paragraphs = localOutput;
return output;
}
};
});