WP8 support

plugin.xml

@@ -24,4 +24,13 @@
         </config-file>
         <source-file src="src/android/FileOpener.java" target-dir="src/com/phonegap/plugins/fileopener" />
     </platform>
+
+    <platform name="wp8">
+        <config-file target="config.xml" parent="/*">
+            <feature name="FileOpener">
+                <param name="wp-package" value="FileOpener"/>
+            </feature>
+        </config-file>
+        <source-file src="src/wp/FileOpener.cs" />
+    </platform>
 </plugin>

src/wp/FileOpener.cs

@@ -0,0 +1,50 @@
+// Copyright (c) Sergey Grebnov.  Licensed under the MIT license. 
+
+using System;
+using System.Collections.Generic;
+using System.IO.IsolatedStorage;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Windows.Storage;
+using WPCordovaClassLib.Cordova.Commands;
+
+namespace WPCordovaClassLib.Cordova.Commands
+{
+    public class FileOpener : BaseCommand
+    {
+        async public void openFile(string options)
+        {
+            var optStings = JSON.JsonHelper.Deserialize<string[]>(options);
+
+            string filePath = optStings[0].Replace('/', '\\').Substring(2);
+
+            try
+            {
+
+                StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
+                StorageFile file = await local.GetFileAsync(filePath);
+
+                if (file == null)
+                {
+                    this.DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "File not found: " + filePath));
+                    return;
+                }
+
+                var success = await Windows.System.Launcher.LaunchFileAsync(file);
+
+                if (success)
+                {
+                    this.DispatchCommandResult(new PluginResult(PluginResult.Status.OK));
+                }
+                else
+                {
+                    this.DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Unable to start the app associated with the following file: " + filePath));
+                }
+            }
+            catch (Exception ex) {
+                this.DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, ex.Message));
+            }
+        }
+    }
+}