added addAll directive

Author: perminder-klair

.gitignore

@@ -1,2 +1,4 @@
 node_modules
-.DS_Store
+.DS_Store
+_pages
+_site 

Gruntfile.js

@@ -29,6 +29,7 @@ module.exports = function (grunt) {
           'src/18-directive-playAll.js',
           'src/19-directive-volumeBar.js',
           'src/20-directive-playPauseToggle.js',
+          'src/21-directive-addAll.js',
         ],
         dest: 'dist/angular-soundmanager2.js'
       }

src/21-directive-addAll.js

@@ -0,0 +1,22 @@
+ngSoundManager.directive('addAll', ['angularPlayer', '$log',
+    function(angularPlayer, $log) {
+        return {
+            restrict: "EA",
+            scope: {
+                songs: '=playAll'
+            },
+            link: function(scope, element, attrs) {
+                element.bind('click', function(event) {
+                    //first clear the playlist
+                    angularPlayer.clearPlaylist(function(data) {
+                        $log.debug('cleared, ok now add to playlist');
+                        //add songs to playlist
+                        for(var i = 0; i < scope.songs.length; i++) {
+                            angularPlayer.addTrack(scope.songs[i]);
+                        }
+                    });
+                });
+            }
+        };
+    }
+]);