CC-4393: Please ignore AAC and Flac items for Playlist Preview and disable to preview it as a single track

-disable preview icon

airtime_mvc/application/controllers/LibraryController.php

@@ -156,7 +156,7 @@ class LibraryController extends Zend_Controller_Action
         $user = new Application_Model_User($userInfo->id);
 
         //Open a jPlayer window and play the audio clip.
-        $menu["play"] = array("name"=> "Preview", "icon" => "play");
+        $menu["play"] = array("name"=> "Preview", "icon" => "play", "disabled" => false);
 
         $isAdminOrPM = $user->isUserType(array(UTYPE_ADMIN, UTYPE_PROGRAM_MANAGER));
 
@@ -166,6 +166,8 @@ class LibraryController extends Zend_Controller_Action
 
             $file = Application_Model_StoredFile::Recall($id);
 
+            $menu["play"]["mime"] = $file->getPropelOrm()->getDbMime();
+
             if (isset($obj_sess->id) && $screen == "playlist") {
                 // if the user is not admin or pm, check the creator and see if this person owns the playlist or Block
                 if ($obj_sess->type == 'playlist') {

airtime_mvc/public/js/airtime/library/library.js

@@ -717,6 +717,7 @@ var AIRTIME = (function(AIRTIME) {
                             callback = function() {
 		                        var url = '/Playlist/edit';
                                 AIRTIME.playlist.fnEdit(data.id, data.ftype, url);
+                                AIRTIME.playlist.validatePlaylistElements();
                             };
                         } else if (data.ftype === "stream") {
                             callback = function() {
@@ -731,6 +732,13 @@ var AIRTIME = (function(AIRTIME) {
 
                     //define a play callback.
                     if (oItems.play !== undefined) {
+
+                        if (oItems.play.mime !== undefined) {
+                            if (!isAudioSupported(oItems.play.mime)) {
+                                oItems.play.disabled = true;
+                            }
+                        }
+
                         callback = function() {
                            if (data.ftype === 'playlist' && data.length !== '0.0'){
                                 playlistIndex = $(this).parent().attr('id').substring(3); //remove the pl_

airtime_mvc/public/js/airtime/library/spl.js

@@ -346,7 +346,6 @@ var AIRTIME = (function(AIRTIME){
 	}
 	
 	function openPlaylist(json) {
-		
 		$("#side_playlist")
 			.empty()
 			.append(json.html);
@@ -361,23 +360,11 @@ var AIRTIME = (function(AIRTIME){
         appendModAddButton();
         removeButtonCheck();
 	}
-	
+    
-	//sets events dynamically for playlist entries (each row in the playlist)
+    //Purpose of this function is to iterate over all playlist elements
-	function setPlaylistEntryEvents() {
+    //and verify whether they can be previewed by the browser or not. If not
-		
+    //then the playlist element is greyed out
-		$pl.delegate("#spl_sortable .ui-icon-closethick", 
+    mod.validatePlaylistElements = function(){
-				{"click": function(ev){
-					var id;
-					id = parseInt($(this).attr("id").split("_").pop(), 10);
-					AIRTIME.playlist.fnDeleteItems([id]);
-				}});
-
-		$pl.delegate(".spl_fade_control", 
-	    		{"click": openFadeEditor});
-		
-		$pl.delegate(".spl_cue", 
-				{"click": openCueEditor});
-
         $.each($(".big_play"), function(index, value){
             var mime = $(value).attr("data-mime-type");      
             if (isAudioSupported(mime)) {
@@ -405,6 +392,25 @@ var AIRTIME = (function(AIRTIME){
                 }) 
             }
         });
+    }
+	
+	//sets events dynamically for playlist entries (each row in the playlist)
+	function setPlaylistEntryEvents() {
+		
+		$pl.delegate("#spl_sortable .ui-icon-closethick", 
+				{"click": function(ev){
+					var id;
+					id = parseInt($(this).attr("id").split("_").pop(), 10);
+					AIRTIME.playlist.fnDeleteItems([id]);
+				}});
+
+		$pl.delegate(".spl_fade_control", 
+	    		{"click": openFadeEditor});
+		
+		$pl.delegate(".spl_cue", 
+				{"click": openCueEditor});
+
+        mod.validatePlaylistElements();
     		
 		$pl.delegate(".spl_block_expand",
 		        {"click": function(ev){