AngularJS powered single-page web application featuring a Facebook share button

I found a helpful post on deploying the Facebook share button in my app from Hyperarts. You can check it out here:

However, I encountered two issues while trying to implement this feature. First, I struggled passing post.id and post.caption to the Facebook script.

The second problem lies in the link shared on Facebook wall for each post. The link should lead to a specific post on my single-page site when clicked, but it currently needs an auto-scroll function to achieve this.

Any suggestions or help would be greatly appreciated! Here is a snippet of my AngularJS controller:

function MyController($scope) {
            $scope.posts = [{"title": "AAtitle",
                            "content":"AAcontent",
                            "caption":"AAcaption",
                            "id":"adfddsf"dfsdfdsds
                           },
                           {"title": "BBtitle",
                            "content":"BBcontent",
                            "caption":"BBcaption",
                            "id":"dfgfddrggdgdgdgfd"
                           },
                            {"title": "CCtitle",
                            "content":"CCcontent",
                            "caption":"CCcaption",
                            "id":"dhgfetyhnncvcbcqqq"
                           }
                          ]
        }

Additionally, here is the code for integrating the Facebook SDK:

<div id="fb-root"></div>
window.fbAsyncInit = function() {
FB.init({appId: 'MY APP ID', status: true, cookie: true,
xfbml: true});
};
(function() {
var e = document.createElement('script'); e.async = true;
e.src = document.location.protocol +
'//connect.facebook.net/en_US/all.js';
document.getElementById('fb-root').appendChild(e);
}());

And finally, here's a glimpse at how I've set up my HTML:

<div ng-controller = "MyController">
  <ul>
    <li ng-repeat = "post in posts">
           <div> {{post.title}} </div>
           <div> {{post.content}} </div>
           <div> <script type="text/javascript">
                $(document).ready(function(){
                $('#{{post.id}}').click(function(e){    //unrecognized expression: {{post.id}}
                e.preventDefault();
                FB.ui(
                {
                method: 'feed',
                name: 'This is the content of the "name" field.',
                link: ' link to every {{post.id}}',
                caption: '{{post.caption'}},
                });
                });
                });
                </script>
                <div id = "{{post.id}}">share </div>
        </div>

    </li>
  </ul>
</div>

Answer №1

If you're looking to handle share button click events in Angular, consider registering an event handler the "Angular way." By moving the logic to a controller and utilizing the ng-click directive, you can easily trigger the share action.

Here's how I would implement it:

HTML

<body>
  <div id="fb-root"></div>
  <script>
    window.fbAsyncInit = function() {
        FB.init({appId: 'YOUR APP ID', status: true, cookie: true,
        xfbml: true});
    };
    (function() {
        var e = document.createElement('script'); e.async = true;
        e.src = document.location.protocol +
        '//connect.facebook.net/en_US/all.js';
        document.getElementById('fb-root').appendChild(e);
    }());
  </script>
  <div ng-controller="fbCtrl">
    <div ng-repeat="post in posts">
        <div>{{post.title}}</div>
        <div>{{post.content}}</div>
        <button ng-click="share(post)">SHARE</button>
    </div>
  </div>
</body>

Controller

angular.module("myApp",[])
.controller("fbCtrl",function($scope){
  $scope.posts = [{id:1,title:"title1",content:"content1",caption:"caption1"},{id:2,title:"title2",content:"content2",caption:"caption2"}];
  $scope.share = function(post){
    FB.ui(
    {
        method: 'feed',
        name: 'This is the content of the "name" field.',
        link: 'http://www.hyperarts.com/external-xfbml/'+post.id,
        picture: 'http://www.hyperarts.com/external-xfbml/share-image.gif',
        caption: post.caption,
        description: 'This is the content of the "description" field, below the caption.',
        message: ''
    });
  }
});

Screenshot

For multiple uses across different parts of your app, you might want to create a service specifically for handling FACEBOOK sharing functions.

I hope you find this information helpful.

Answer №2

Additionally, a custom directive has been created inspired by ChickenRice's solution.

HTML:

<body>
  <div id="fb-root"></div>
  <script>
    window.fbAsyncInit = function() {
        FB.init({appId: 'YOUR APP ID', status: true, cookie: true,
        xfbml: true});
    };
    (function() {
        var e = document.createElement('script'); e.async = true;
        e.src = document.location.protocol +
        '//connect.facebook.net/en_US/all.js';
        document.getElementById('fb-root').appendChild(e);
    }());
  </script>


  <button fb-share>
      <img src="/assets/images/icons/icon-fb.png">
  </button>

</body>

Directive:

'use strict';
/* global FB */

myApp.directive('fbShare', [
    function() {
        return {
            restrict: 'A',
            link: function(scope, element) {
                element.on('click', function() {
                    FB.ui({
                        method: 'feed',
                        name: 'Custom Name',
                        link: 'http://custom-link.com',
                        picture: 'http://custom-picture.com',
                        caption: 'Custom Caption',
                        description: 'Custom Description',
                        message: 'Custom Message'
                    });
                });
            }
        };
    }
]);

If you utilize jshint (which is recommended) the /* global FB */ comment is included to prevent undefined variable warnings.

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