Refactor to support multiple program sources #42

App Paths is supported now #41

Wox.Plugin.System/FileSystemProgramSource.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.IO;
+
+namespace Wox.Plugin.System
+{
+    public class FileSystemProgramSource : AbstractProgramSource
+    {
+        public string BaseDirectory;
+        public List<string> Suffixes = new List<string>() { "lnk", "exe" };
+
+        public FileSystemProgramSource(string baseDirectory)
+        {
+            BaseDirectory = baseDirectory;
+        }
+
+        public FileSystemProgramSource(string baseDirectory, List<string> suffixes)
+            : this(baseDirectory)
+        {
+            Suffixes = suffixes;
+        }
+
+        public override List<Program> LoadPrograms()
+        {
+            List<Program> list = new List<Program>();
+            GetAppFromDirectory(BaseDirectory, list);
+
+            return list;
+        }
+
+        private void GetAppFromDirectory(string path, List<Program> list)
+        {
+            foreach (string file in Directory.GetFiles(path))
+            {
+                if (Suffixes.Any(o => file.EndsWith("." + o)))
+                {
+                    Program p = CreateEntry(file);
+                    list.Add(p);
+                }
+            }
+
+            foreach (var subDirectory in Directory.GetDirectories(path))
+            {
+                GetAppFromDirectory(subDirectory, list);
+            }
+        }
+    }
+}