Added support for WP8

plugin.xml

@@ -37,4 +37,13 @@
         <header-file src="src/ios/FileOpener2.h" />
     </platform>
 
+	<!-- WP8 -->
+	<platform name="wp8">
+	<config-file target="config.xml" parent="/*">
+	  <feature name="FileOpener2">
+		<param name="wp-package" value="FileOpener2" />
+	  </feature>
+	</config-file>
+	<source-file src="src/wp8/FileOpener2.cs" />
+	</platform>
 </plugin>

src/wp8/FileOpener2.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using Microsoft.Phone.Controls;
+using System.Windows.Controls.Primitives;
+using System.Windows.Media;
+using Windows.Storage;
+using System.Diagnostics;
+using System.IO;
+
+namespace WPCordovaClassLib.Cordova.Commands
+{
+    public class FileOpener2 : BaseCommand
+    {
+
+        public async void open(string options)
+        {
+            string[] args = JSON.JsonHelper.Deserialize<string[]>(options);
+            var fileName = System.IO.Path.GetFileName(args[0]);
+            string aliasCurrentCommandCallbackId = args[2];
+
+            try
+            {
+                // Access isolated storage.
+                StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
+
+                // Access the file.
+                StorageFile file = await local.GetFileAsync(fileName);
+
+                // Launch the bug query file.
+                await Windows.System.Launcher.LaunchFileAsync(file);
+
+                DispatchCommandResult(new PluginResult(PluginResult.Status.OK), aliasCurrentCommandCallbackId);
+            }
+            catch (FileNotFoundException)
+            {
+                DispatchCommandResult(new PluginResult(PluginResult.Status.IO_EXCEPTION), aliasCurrentCommandCallbackId);
+            }
+            catch (Exception)
+            {
+                DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR), aliasCurrentCommandCallbackId);
+            }
+        }
+    }
+}