Work on project manager and project panel

RainmeterStudio/App.xaml

@@ -8,6 +8,39 @@
             <ResourceDictionary.MergedDictionaries>
                 <ResourceDictionary Source="UI/Styles/Common.xaml" />
             </ResourceDictionary.MergedDictionaries>
+
+            <Style TargetType="ToolBar">
+                <Setter Property="Background" Value="Transparent" />
+            </Style>
+            <Style TargetType="ToolBarTray">
+                <Setter Property="Background" Value="Transparent" />
+            </Style>
+            
+            <Style x:Key="CommandMenuItemStyle" TargetType="MenuItem">
+                <Setter Property="Command" Value="{Binding}" />
+                <Setter Property="Header" Value="{Binding DisplayText}" />
+                <Setter Property="ToolTip" Value="{Binding ToolTip}" />
+                <Setter Property="InputGestureText" Value="{Binding ShortcutText}" />
+            </Style>
+            
+            <Style x:Key="CommandButtonStyle" TargetType="ButtonBase">
+                <Setter Property="Command" Value="{Binding}" />
+                <Setter Property="ToolTip" Value="{Binding ToolTip}" />
+                <Style.Triggers>
+                    <Trigger Property="IsEnabled" Value="False">
+                        <Setter Property="Opacity" Value=".5" />
+                    </Trigger>
+                </Style.Triggers>
+            </Style>
+
+            <Style x:Key="CommandAutoHideButtonStyle" TargetType="ButtonBase" BasedOn="{StaticResource CommandButtonStyle}">
+                <Style.Triggers>
+                    <Trigger Property="IsEnabled" Value="False">
+                        <Setter Property="Visibility" Value="Collapsed" />
+                    </Trigger>
+                </Style.Triggers>
+            </Style>
+
         </ResourceDictionary>
     </Application.Resources>
 </Application>

RainmeterStudio/Business/ProjectManager.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using RainmeterStudio.Model;
@@ -16,11 +17,6 @@ namespace RainmeterStudio.Business
         /// </summary>
         public Project ActiveProject { get; protected set; }
 
-        /// <summary>
-        /// Gets the currently opened project's path
-        /// </summary>
-        public string ActiveProjectPath { get; protected set; }
-
         /// <summary>
         /// Gets or sets the project storage
         /// </summary>
@@ -61,9 +57,10 @@ namespace RainmeterStudio.Business
             // Create project object
             ActiveProject = new Project();
             ActiveProject.Name = name;
+            ActiveProject.Path = path;
 
             // Save to file
-            ActiveProjectPath = path;
+            Directory.CreateDirectory(Path.GetDirectoryName(path));
             SaveActiveProject();
 
             // Raise event
@@ -83,7 +80,7 @@ namespace RainmeterStudio.Business
 
             // Open using storage
             ActiveProject = Storage.Load(path);
-            ActiveProjectPath = path;
+            ActiveProject.Path = path;
 
             // Raise event
             if (ActiveProjectChanged != null)
@@ -100,7 +97,7 @@ namespace RainmeterStudio.Business
                 throw new InvalidOperationException("Cannot save a project that is not opened.");
 
             // Save
-            Storage.Save(ActiveProjectPath, ActiveProject);
+            Storage.Save(ActiveProject.Path, ActiveProject);
         }
 
         /// <summary>
@@ -109,7 +106,6 @@ namespace RainmeterStudio.Business
         public void Close() 
         {
             ActiveProject = null;
-            ActiveProjectPath = null;
 
             // Raise event
             if (ActiveProjectChanged != null)

RainmeterStudio/Documents/Text/TextEditorFactory.cs

@@ -29,7 +29,7 @@ namespace RainmeterStudio.Documents.Text
                     Category = Resources.Strings.Category_Utility,
                     DefaultExtension = ".txt",
                     Description = Resources.Strings.DocumentFormat_TextFile_Description,
-                    Icon = new System.Windows.Media.Imaging.BitmapImage(new Uri("/Resources/Icons/text_file_32.png", UriKind.RelativeOrAbsolute)),
+                    Icon = new System.Windows.Media.Imaging.BitmapImage(new Uri(Resources.Icons.DocumentTemplate_Text, UriKind.RelativeOrAbsolute)),
                     Factory = this
                 };
             }

RainmeterStudio/Model/Project.cs

@@ -6,21 +6,86 @@ using System.Xml.Serialization;
 
 namespace RainmeterStudio.Model
 {
+    /// <summary>
+    /// Defines a Rainmeter Studio project
+    /// </summary>
     public class Project
     {
-        [XmlElement("name")]
-        public string Name { get; set; }
+        #region Name property
 
+        private string _name;
+
+        /// <summary>
+        /// Gets or sets the name of the project
+        /// </summary>
+        [XmlElement("name")]
+        public string Name
+        {
+            get
+            {
+                return _name;
+            }
+            set
+            {
+                _name = value;
+
+                if (Root != null)
+                    Root.Data = new Reference(Name, Path);
+            }
+        }
+
+        private string _path;
+
+        #endregion
+
+        #region Path property
+
+        /// <summary>
+        /// Gets or sets the file path of this project
+        /// </summary>
+        [XmlIgnore]
+        public string Path
+        {
+            get
+            {
+                return _path;
+            }
+            set
+            {
+                _path = value;
+
+                if (Root != null)
+                    Root.Data = new Reference(Name, Path);
+            }
+        }
+
+        #endregion
+
+        #region Author property
+
+        /// <summary>
+        /// Gets or sets the author of the project
+        /// </summary>
         [XmlElement("author")]
         public string Author { get; set; }
 
+        #endregion
+
+        #region Version property
+
+        /// <summary>
+        /// Gets or sets the version of the project
+        /// </summary>
         [XmlIgnore]
         public Version Version { get; set; }
 
+        /// <summary>
+        /// Gets or sets the string representation of the project version
+        /// </summary>
         [XmlElement("version")]
         public string VersionString
         {
-            get 
+            get
             {
                 return Version.ToString();
             }
@@ -30,15 +95,39 @@ namespace RainmeterStudio.Model
             }
         }
 
+        #endregion
+
+        #region Auto-load file property
+
+        /// <summary>
+        /// Gets or sets the reference to the file to automatically load at package installation
+        /// </summary>
         [XmlElement("autoLoadFile")]
         public Reference AutoLoadFile { get; set; }
 
+        #endregion
+
+        #region Variable files property
+
+        /// <summary>
+        /// Gets or sets the list of variable files
+        /// </summary>
         [XmlArray("variableFiles")]
         public List<Reference> VariableFiles { get; set; }
 
+        #endregion
+
+        #region Minimum rainmeter & windows properties
+
+        /// <summary>
+        /// Gets or sets the minimum rainmeter version
+        /// </summary>
         [XmlIgnore]
         public Version MinimumRainmeter { get; set; }
 
+        /// <summary>
+        /// Gets or sets the string representation of the minimum rainmeter version
+        /// </summary>
         [XmlElement("minimumRainmeter")]
         public string MinimumRainmeterString
         {
@@ -52,9 +141,15 @@ namespace RainmeterStudio.Model
             }
         }
 
+        /// <summary>
+        /// Gets or sets the minimum Windows version
+        /// </summary>
         [XmlIgnore]
         public Version MinimumWindows { get; set; }
 
+        /// <summary>
+        /// Gets or sets the string representation of the minimum Windows version
+        /// </summary>
         [XmlElement("minimumWindows")]
         public string MinimumWindowsString
         {
@@ -68,9 +163,23 @@ namespace RainmeterStudio.Model
             }
         }
 
+        #endregion
+
+        #region Root property
+
+        /// <summary>
+        /// Gets or sets the root node
+        /// </summary>
         [XmlElement("root")]
         public Tree<Reference> Root { get; set; }
 
+        #endregion
+
+        #region Constructor
+
+        /// <summary>
+        /// Initializes a project
+        /// </summary>
         public Project()
         {
             Root = new Tree<Reference>();
@@ -80,13 +189,17 @@ namespace RainmeterStudio.Model
             MinimumWindows = new Version("5.1");
         }
 
+        #endregion
+
+        #region Equals
+
         public override bool Equals(object obj)
         {
             Project other = obj as Project;
-            
+
             if (other == null)
                 return false;
-            
+
             bool res = String.Equals(Author, other.Author);
             res &= Reference.Equals(AutoLoadFile, other.AutoLoadFile);
             res &= Version.Equals(MinimumRainmeter, other.MinimumRainmeter);
@@ -110,5 +223,7 @@ namespace RainmeterStudio.Model
 
             return hash;
         }
+
+        #endregion
     }
 }

RainmeterStudio/Model/Tree.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
 using System.Xml.Serialization;
@@ -12,17 +13,17 @@ namespace RainmeterStudio.Model
         public T Data { get; set; }
 
         [XmlArray("children"), XmlArrayItem("child")]
-        public List<Tree<T>> Children { get; set; }
+        public ObservableCollection<Tree<T>> Children { get; set; }
 
         public Tree()
         {
-            Children = new List<Tree<T>>();
+            Children = new ObservableCollection<Tree<T>>();
             Data = default(T);
         }
 
         public Tree(T data)
         {
-            Children = new List<Tree<T>>();
+            Children = new ObservableCollection<Tree<T>>();
             Data = data;
         }
 

RainmeterStudio/RainmeterStudio.csproj

@@ -110,6 +110,7 @@
     <Compile Include="Storage\ProjectStorage.cs" />
     <Compile Include="Storage\SkinDirectory.cs" />
     <Compile Include="UI\Command.cs" />
+    <Compile Include="UI\Controller\IconProvider.cs" />
     <Compile Include="UI\Controller\ProjectController.cs" />
     <Compile Include="UI\Dialogs\CreateDocumentDialog.xaml.cs">
       <DependentUpon>CreateDocumentDialog.xaml</DependentUpon>
@@ -119,9 +120,10 @@
     <Compile Include="UI\Dialogs\CreateProjectDialog.xaml.cs">
       <DependentUpon>CreateProjectDialog.xaml</DependentUpon>
     </Compile>
-    <Compile Include="UI\SkinsPanel.xaml.cs">
-      <DependentUpon>SkinsPanel.xaml</DependentUpon>
+    <Compile Include="UI\ProjectPanel.xaml.cs">
+      <DependentUpon>ProjectPanel.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Utils\DirectoryHelper.cs" />
     <Page Include="Documents\Ini\IniSkinDesignerControl.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -150,7 +152,7 @@
       <DependentUpon>MainWindow.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
-    <Page Include="UI\SkinsPanel.xaml">
+    <Page Include="UI\ProjectPanel.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
@@ -199,27 +201,52 @@
     <AppDesigner Include="Properties\" />
   </ItemGroup>
   <ItemGroup>
-    <Resource Include="Resources\Icons\text_file_32.png" />
+    <Resource Include="Resources\Icons\32\text_generic.png" />
   </ItemGroup>
   <ItemGroup>
     <SplashScreen Include="Resources\splash.png" />
   </ItemGroup>
   <ItemGroup>
-    <Resource Include="Resources\Icons\arrow_left_16.png" />
+    <Resource Include="Resources\Icons\16\arrow_left.png" />
   </ItemGroup>
   <ItemGroup>
-    <Resource Include="Resources\Icons\arrow_right_16.png" />
+    <Resource Include="Resources\Icons\16\arrow_right.png" />
   </ItemGroup>
   <ItemGroup>
-    <Resource Include="Resources\Icons\arrow_backward_16.png" />
-    <Resource Include="Resources\Icons\arrow_forward_16.png" />
+    <Resource Include="Resources\Icons\16\arrow_backward.png" />
+    <Resource Include="Resources\Icons\16\arrow_forward.png" />
   </ItemGroup>
   <ItemGroup>
-    <Resource Include="Resources\Icons\page_white_star_16.png" />
+    <Resource Include="Resources\Icons\16\page_white_star.png" />
   </ItemGroup>
   <ItemGroup>
-    <Resource Include="Resources\Icons\project_16.png" />
-    <Resource Include="Resources\Icons\project_star_16.png" />
+    <Resource Include="Resources\Icons\16\project.png" />
+    <Resource Include="Resources\Icons\16\project_star.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\Icons\16\page_white_delete.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\Icons\16\folder.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\Icons\16\text_generic.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\Icons\16\file_generic.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\Icons\16\arrow_refresh_small.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\Icons\16\plus.png" />
+    <Resource Include="Resources\Icons\16\minus.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\Icons\16\folder_explore.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\Icons\16\view-refresh.png" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 

RainmeterStudio/Resources/Icons.Designer.cs

@@ -61,20 +61,119 @@ namespace RainmeterStudio.Resources {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to /Resources/Icons/page_white_star_16.png.
+        ///   Looks up a localized string similar to /Resources/Icons/16/page_white_star.png.
         /// </summary>
-        internal static string DocumentCreateCommand_Icon {
+        internal static string DocumentCreateCommand {
             get {
-                return ResourceManager.GetString("DocumentCreateCommand_Icon", resourceCulture);
+                return ResourceManager.GetString("DocumentCreateCommand", resourceCulture);
             }
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to /Resources/Icons/project_star_16.png.
+        ///   Looks up a localized string similar to /Resources/Icons/32/text_generic.png.
         /// </summary>
-        internal static string ProjectCreateCommand_Icon {
+        internal static string DocumentTemplate_Text {
             get {
-                return ResourceManager.GetString("ProjectCreateCommand_Icon", resourceCulture);
+                return ResourceManager.GetString("DocumentTemplate_Text", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/project_star.png.
+        /// </summary>
+        internal static string ProjectCreateCommand {
+            get {
+                return ResourceManager.GetString("ProjectCreateCommand", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/project.png.
+        /// </summary>
+        internal static string ProjectItem_rsproj {
+            get {
+                return ResourceManager.GetString("ProjectItem_rsproj", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/text_generic.png.
+        /// </summary>
+        internal static string ProjectItem_txt {
+            get {
+                return ResourceManager.GetString("ProjectItem_txt", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/folder.png.
+        /// </summary>
+        internal static string ProjectItemFolder {
+            get {
+                return ResourceManager.GetString("ProjectItemFolder", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/page_white_delete.png.
+        /// </summary>
+        internal static string ProjectItemNone {
+            get {
+                return ResourceManager.GetString("ProjectItemNone", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/file_generic.png.
+        /// </summary>
+        internal static string ProjectItemUnknown {
+            get {
+                return ResourceManager.GetString("ProjectItemUnknown", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/minus.png.
+        /// </summary>
+        internal static string ProjectPanel_CollapseAllCommand {
+            get {
+                return ResourceManager.GetString("ProjectPanel_CollapseAllCommand", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/plus.png.
+        /// </summary>
+        internal static string ProjectPanel_ExpandAllCommand {
+            get {
+                return ResourceManager.GetString("ProjectPanel_ExpandAllCommand", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/view-refresh.png.
+        /// </summary>
+        internal static string ProjectPanel_RefreshCommand {
+            get {
+                return ResourceManager.GetString("ProjectPanel_RefreshCommand", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/folder_explore.png.
+        /// </summary>
+        internal static string ProjectPanel_ShowAllFilesCommand {
+            get {
+                return ResourceManager.GetString("ProjectPanel_ShowAllFilesCommand", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to /Resources/Icons/16/arrow_refresh_small.png.
+        /// </summary>
+        internal static string ProjectPanel_SyncWithActiveViewCommand {
+            get {
+                return ResourceManager.GetString("ProjectPanel_SyncWithActiveViewCommand", resourceCulture);
             }
         }
     }

RainmeterStudio/Resources/Icons.resx

@@ -117,10 +117,43 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <data name="DocumentCreateCommand_Icon" xml:space="preserve">
-    <value>/Resources/Icons/page_white_star_16.png</value>
+  <data name="DocumentCreateCommand" xml:space="preserve">
+    <value>/Resources/Icons/16/page_white_star.png</value>
   </data>
-  <data name="ProjectCreateCommand_Icon" xml:space="preserve">
-    <value>/Resources/Icons/project_star_16.png</value>
+  <data name="DocumentTemplate_Text" xml:space="preserve">
+    <value>/Resources/Icons/32/text_generic.png</value>
+  </data>
+  <data name="ProjectCreateCommand" xml:space="preserve">
+    <value>/Resources/Icons/16/project_star.png</value>
+  </data>
+  <data name="ProjectItemFolder" xml:space="preserve">
+    <value>/Resources/Icons/16/folder.png</value>
+  </data>
+  <data name="ProjectItemNone" xml:space="preserve">
+    <value>/Resources/Icons/16/page_white_delete.png</value>
+  </data>
+  <data name="ProjectItemUnknown" xml:space="preserve">
+    <value>/Resources/Icons/16/file_generic.png</value>
+  </data>
+  <data name="ProjectItem_rsproj" xml:space="preserve">
+    <value>/Resources/Icons/16/project.png</value>
+  </data>
+  <data name="ProjectItem_txt" xml:space="preserve">
+    <value>/Resources/Icons/16/text_generic.png</value>
+  </data>
+  <data name="ProjectPanel_CollapseAllCommand" xml:space="preserve">
+    <value>/Resources/Icons/16/minus.png</value>
+  </data>
+  <data name="ProjectPanel_ExpandAllCommand" xml:space="preserve">
+    <value>/Resources/Icons/16/plus.png</value>
+  </data>
+  <data name="ProjectPanel_RefreshCommand" xml:space="preserve">
+    <value>/Resources/Icons/16/view-refresh.png</value>
+  </data>
+  <data name="ProjectPanel_ShowAllFilesCommand" xml:space="preserve">
+    <value>/Resources/Icons/16/folder_explore.png</value>
+  </data>
+  <data name="ProjectPanel_SyncWithActiveViewCommand" xml:space="preserve">
+    <value>/Resources/Icons/16/arrow_refresh_small.png</value>
   </data>
 </root>

RainmeterStudio/Resources/Strings.Designer.cs

@@ -221,5 +221,95 @@ namespace RainmeterStudio.Resources {
                 return ResourceManager.GetString("ProjectCreateDialog_Title", resourceCulture);
             }
         }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Collapse all.
+        /// </summary>
+        public static string ProjectPanel_CollapseAllCommand_DisplayText {
+            get {
+                return ResourceManager.GetString("ProjectPanel_CollapseAllCommand_DisplayText", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Collapse all.
+        /// </summary>
+        public static string ProjectPanel_CollapseAllCommand_ToolTip {
+            get {
+                return ResourceManager.GetString("ProjectPanel_CollapseAllCommand_ToolTip", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Expand all.
+        /// </summary>
+        public static string ProjectPanel_ExpandAllCommand_DisplayText {
+            get {
+                return ResourceManager.GetString("ProjectPanel_ExpandAllCommand_DisplayText", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Expand all.
+        /// </summary>
+        public static string ProjectPanel_ExpandAllCommand_ToolTip {
+            get {
+                return ResourceManager.GetString("ProjectPanel_ExpandAllCommand_ToolTip", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Refresh.
+        /// </summary>
+        public static string ProjectPanel_RefreshCommand_DisplayText {
+            get {
+                return ResourceManager.GetString("ProjectPanel_RefreshCommand_DisplayText", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Refresh.
+        /// </summary>
+        public static string ProjectPanel_RefreshCommand_ToolTip {
+            get {
+                return ResourceManager.GetString("ProjectPanel_RefreshCommand_ToolTip", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Show all files.
+        /// </summary>
+        public static string ProjectPanel_ShowAllFilesCommand_DisplayText {
+            get {
+                return ResourceManager.GetString("ProjectPanel_ShowAllFilesCommand_DisplayText", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Show all files.
+        /// </summary>
+        public static string ProjectPanel_ShowAllFilesCommand_ToolTip {
+            get {
+                return ResourceManager.GetString("ProjectPanel_ShowAllFilesCommand_ToolTip", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Sync with active view.
+        /// </summary>
+        public static string ProjectPanel_SyncWithActiveViewCommand_DisplayText {
+            get {
+                return ResourceManager.GetString("ProjectPanel_SyncWithActiveViewCommand_DisplayText", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Sync with active view.
+        /// </summary>
+        public static string ProjectPanel_SyncWithActiveViewCommand_ToolTip {
+            get {
+                return ResourceManager.GetString("ProjectPanel_SyncWithActiveViewCommand_ToolTip", resourceCulture);
+            }
+        }
     }
 }

RainmeterStudio/Resources/Strings.resx

@@ -171,4 +171,34 @@
   <data name="ProjectCreateDialog_Title" xml:space="preserve">
     <value>Create project</value>
   </data>
+  <data name="ProjectPanel_CollapseAllCommand_DisplayText" xml:space="preserve">
+    <value>Collapse all</value>
+  </data>
+  <data name="ProjectPanel_CollapseAllCommand_ToolTip" xml:space="preserve">
+    <value>Collapse all</value>
+  </data>
+  <data name="ProjectPanel_ExpandAllCommand_DisplayText" xml:space="preserve">
+    <value>Expand all</value>
+  </data>
+  <data name="ProjectPanel_ExpandAllCommand_ToolTip" xml:space="preserve">
+    <value>Expand all</value>
+  </data>
+  <data name="ProjectPanel_RefreshCommand_DisplayText" xml:space="preserve">
+    <value>Refresh</value>
+  </data>
+  <data name="ProjectPanel_RefreshCommand_ToolTip" xml:space="preserve">
+    <value>Refresh</value>
+  </data>
+  <data name="ProjectPanel_ShowAllFilesCommand_DisplayText" xml:space="preserve">
+    <value>Show all files</value>
+  </data>
+  <data name="ProjectPanel_ShowAllFilesCommand_ToolTip" xml:space="preserve">
+    <value>Show all files</value>
+  </data>
+  <data name="ProjectPanel_SyncWithActiveViewCommand_DisplayText" xml:space="preserve">
+    <value>Sync with active view</value>
+  </data>
+  <data name="ProjectPanel_SyncWithActiveViewCommand_ToolTip" xml:space="preserve">
+    <value>Sync with active view</value>
+  </data>
 </root>

RainmeterStudio/Storage/ProjectStorage.cs

@@ -18,7 +18,9 @@ namespace RainmeterStudio.Storage
             // Deserialize file
             var serializer = new XmlSerializer(typeof(Project), new XmlRootAttribute("project"));
             Project project = serializer.Deserialize(file) as Project;
-            
+            if (project != null)
+                project.Path = path;
+
             // Clean up
             file.Close();
             return project;
@@ -29,12 +31,13 @@ namespace RainmeterStudio.Storage
             // Open file
             var file = File.OpenWrite(path);
 
-            // Deserialize file
+            // Serialize file
             var serializer = new XmlSerializer(typeof(Project), new XmlRootAttribute("project"));
             serializer.Serialize(file, project);
 
             // Clean up
             file.Close();
+            project.Path = path;
         }
     }
 }

RainmeterStudio/UI/Command.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Windows.Input;
 using System.Windows.Media;
+using RainmeterStudio.UI.Controller;
 
 namespace RainmeterStudio.UI
 {
@@ -15,23 +16,102 @@ namespace RainmeterStudio.UI
         private Func<object, bool> _canExecute;
         private Action _executeNoParam;
         private Func<bool> _canExecuteNoParam;
-        
+
         #endregion
 
         #region Public properties
 
+        /// <summary>
+        /// Gets or sets the name of the command
+        /// </summary>
         public string Name { get; set; }
-        public string DisplayText { get; set; }
-        public string Tooltip { get; set; }
-        public ImageSource Icon { get; set; }
+
+        #region Display text property
+        private string _displayText = null;
+
+        /// <summary>
+        /// Gets or sets the display text of the command
+        /// </summary>
+        public string DisplayText
+        {
+            get
+            {
+                if (_displayText == null)
+                    return Resources.Strings.ResourceManager.GetString(Name + "_DisplayText");
+
+                return _displayText;
+            }
+            set
+            {
+                _displayText = value;
+            }
+        }
+
+        #endregion
+
+        #region ToolTip property
+        private string _toolTip = null;
+
+        /// <summary>
+        /// Gets or sets the tooltip
+        /// </summary>
+        public string ToolTip
+        {
+            get
+            {
+                if (_toolTip == null)
+                    return Resources.Strings.ResourceManager.GetString(Name + "_ToolTip");
+
+                return _toolTip;
+            }
+            set
+            {
+                _toolTip = value;
+            }
+        }
+        #endregion
+
+        #region Icon property
+        private ImageSource _icon = null;
+
+        /// <summary>
+        /// Gets or sets the command's icon
+        /// </summary>
+        public ImageSource Icon
+        {
+            get
+            {
+                if (_icon == null)
+                    return IconProvider.GetIcon(Name);
+
+                return _icon;
+            }
+            set
+            {
+                _icon = value;
+            }
+        }
+        #endregion
+
+        #region Keyboard shortcut property
+        
+        /// <summary>
+        /// Gets or sets the keyboard shortcut of this command
+        /// </summary>
         public KeyGesture Shortcut { get; set; }
 
+        /// <summary>
+        /// Gets the text representation of the keyboard shortcut
+        /// </summary>
         public string ShortcutText
         {
             get
             {
                 string text = String.Empty;
 
+                if (Shortcut == null)
+                    return text;
+
                 if ((Shortcut.Modifiers & ModifierKeys.Windows) != 0)
                     text += "Win+";
 
@@ -51,22 +131,45 @@ namespace RainmeterStudio.UI
 
         #endregion
 
-        public event EventHandler CanExecuteChanged;
+        #endregion
 
-        public Command(string name = null, Action<object> execute = null, Func<object, bool> canExecute = null)
+        #pragma warning disable 67
+        
+        public event EventHandler CanExecuteChanged;
+        
+        #pragma warning restore 67
+
+        /// <summary>
+        /// Initializes this command
+        /// </summary>
+        /// <param name="name">The name of the command</param>
+        /// <param name="execute">Callback function to execute when the command is triggered</param>
+        /// <param name="canExecute">Function that can be queried if the command can execute</param>
+        public Command(string name, Action<object> execute, Func<object, bool> canExecute = null)
         {
             Name = name;
             _execute = execute;
             _canExecute = canExecute;
         }
 
-        public Command(string name = null, Action execute = null, Func<bool> canExecute = null)
+        /// <summary>
+        /// Initializes this command
+        /// </summary>
+        /// <param name="name">The name of the command</param>
+        /// <param name="execute">Callback function to execute when the command is triggered</param>
+        /// <param name="canExecute">Function that can be queried if the command can execute</param>
+        public Command(string name, Action execute, Func<bool> canExecute = null)
         {
             Name = name;
             _executeNoParam = execute;
             _canExecuteNoParam = canExecute;
         }
 
+        /// <summary>
+        /// Function that can be queried if the command can be executed
+        /// </summary>
+        /// <param name="parameter">Command parameter</param>
+        /// <returns>True if the function can be executed</returns>
         public virtual bool CanExecute(object parameter)
         {
             if (_canExecute != null)
@@ -77,6 +180,10 @@ namespace RainmeterStudio.UI
             return true;
         }
 
+        /// <summary>
+        /// Executes the command
+        /// </summary>
+        /// <param name="parameter">Command parameter</param>
         public virtual void Execute(object parameter)
         {
             if (_execute != null)
@@ -85,4 +192,18 @@ namespace RainmeterStudio.UI
                 _executeNoParam();
         }
     }
+
+    public static class UIElementExtensions
+    {
+        /// <summary>
+        /// Adds a keyboard shortcut to an UI element
+        /// </summary>
+        /// <param name="uiElement">UI element</param>
+        /// <param name="command">Command</param>
+        public static void AddKeyBinding(this System.Windows.UIElement uiElement, Command command)
+        {
+            if (command.Shortcut != null)
+                uiElement.InputBindings.Add(new KeyBinding(command, command.Shortcut));
+        }
+    }
 }

RainmeterStudio/UI/Controller/DocumentController.cs

@@ -25,9 +25,6 @@ namespace RainmeterStudio.UI.Controller
                 {
                     _documentCreateCommand = new Command("DocumentCreateCommand", () => CreateWindow())
                     {
-                        DisplayText = Resources.Strings.DocumentCreateCommand_DisplayText,
-                        Tooltip = Resources.Strings.DocumentCreateCommand_ToolTip,
-                        Icon = new BitmapImage(new Uri(Resources.Icons.DocumentCreateCommand_Icon, UriKind.RelativeOrAbsolute)),
                         Shortcut = new KeyGesture(Key.N, ModifierKeys.Control)
                     };
                 }

RainmeterStudio/UI/Controller/IconProvider.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Windows.Data;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using RainmeterStudio.Model;
+
+namespace RainmeterStudio.UI.Controller
+{
+    public static class IconProvider
+    {
+        private static Dictionary<string, ImageSource> _loadedImages = new Dictionary<string, ImageSource>();
+
+        public static ImageSource GetIcon(string key)
+        {
+            if (!_loadedImages.ContainsKey(key))
+            {
+                // Try to get the icon file name
+                string iconPath = Resources.Icons.ResourceManager.GetString(key);
+                if (iconPath == null)
+                    return null;
+
+                // Load the image
+                var uri = new Uri(iconPath, UriKind.RelativeOrAbsolute);
+                _loadedImages.Add(key, new BitmapImage(uri));
+            }
+            return _loadedImages[key];
+        }
+
+        public static ImageSource GetProjectItemIcon(Reference item)
+        {
+            // Resource name
+            string key = "ProjectItem";
+
+            if (Directory.Exists(item.Path))
+                key += "Directory";
+
+            else if (File.Exists(item.Path))
+                key += "_" + Path.GetExtension(item.Path).Substring(1);
+
+            else key += "None";
+
+            // Get icon
+            var icon = GetIcon(key);
+            if (icon == null)
+                return GetIcon("ProjectItemUnknown");
+            return icon;
+        }
+    }
+
+    public class IconProviderConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            var tree = value as Tree<Reference>;
+            if (tree != null)
+            {
+                return IconProvider.GetProjectItemIcon(tree.Data);
+            }
+
+            return null;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotSupportedException();
+        }
+    }
+}

RainmeterStudio/UI/Controller/ProjectController.cs

@@ -44,7 +44,7 @@ namespace RainmeterStudio.UI.Controller
         {
             get
             {
-                return Manager.ActiveProjectPath;
+                return Manager.ActiveProject.Path;
             }
         }
 
@@ -78,11 +78,8 @@ namespace RainmeterStudio.UI.Controller
             {
                 if (_projectCreateCommand == null)
                 {
-                    _projectCreateCommand = new Command("ProjectCreateComand", () => CreateProject())
+                    _projectCreateCommand = new Command("ProjectCreateCommand", () => CreateProject())
                     {
-                        DisplayText = Resources.Strings.ProjectCreateCommand_DisplayText,
-                        Tooltip = Resources.Strings.ProjectCreateCommand_ToolTip,
-                        Icon = new BitmapImage(new Uri(Resources.Icons.ProjectCreateCommand_Icon, UriKind.RelativeOrAbsolute)),
                         Shortcut = new KeyGesture(Key.N, ModifierKeys.Control | ModifierKeys.Shift)
                     };
                 }
@@ -123,10 +120,11 @@ namespace RainmeterStudio.UI.Controller
             if (!res.HasValue || !res.Value)
                 return;
 
+            string selectedName = dialog.SelectedName;
             string selectedPath = dialog.SelectedPath;
 
             // Call manager
-            Manager.CreateProject(name, selectedPath); // TODO
+            Manager.CreateProject(selectedName, selectedPath);
         }
 
         /// <summary>

RainmeterStudio/UI/Dialogs/CreateProjectDialog.xaml.cs

@@ -125,10 +125,15 @@ namespace RainmeterStudio.UI.Dialogs
         {
             InitializeComponent();
 
+            // Add event handlers
             textLocation.AddHandler(TextBoxBase.TextChangedEvent, new TextChangedEventHandler(textLocation_TextChanged));
             textPath.AddHandler(TextBoxBase.TextChangedEvent, new TextChangedEventHandler(textPath_TextChanged));
 
+            // Set data context
             DataContext = this;
+
+            // Focus on name textbox
+            textName.Focus();
         }
 
         private void Create()

RainmeterStudio/UI/MainWindow.xaml

@@ -4,29 +4,9 @@
         xmlns:ui="clr-namespace:RainmeterStudio.UI"
         xmlns:ad="clr-namespace:Xceed.Wpf.AvalonDock;assembly=Xceed.Wpf.AvalonDock"
         xmlns:adlayout="clr-namespace:Xceed.Wpf.AvalonDock.Layout;assembly=Xceed.Wpf.AvalonDock"
-        Title="Rainmeter Studio" Height="350" Width="525"
+        Title="Rainmeter Studio" Height="600" Width="800"
         ResizeMode="CanResizeWithGrip" >
 
-    <Window.Resources>
-        <Style x:Key="CommandMenuItemStyle" TargetType="MenuItem">
-            <Setter Property="Command" Value="{Binding}" />
-            <Setter Property="Header" Value="{Binding DisplayText}" />
-            <Setter Property="ToolTip" Value="{Binding Tooltip}" />
-            <Setter Property="InputGestureText" Value="{Binding ShortcutText}" />
-        </Style>
-        <Style x:Key="CommandButtonStyle" TargetType="Button">
-            <Setter Property="Command" Value="{Binding}" />
-            <Setter Property="ToolTip" Value="{Binding Tooltip}" />
-            <Setter Property="ContentTemplate">
-                <Setter.Value>
-                    <DataTemplate>
-                        <Image Width="16" Height="16" Source="{Binding Icon}" />
-                    </DataTemplate>
-                </Setter.Value>
-            </Setter>
-        </Style>
-    </Window.Resources>
-
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto" />
@@ -70,14 +50,16 @@
         <ToolBarTray Grid.Row="1">
             <ToolBar>
                 <Button Name="buttonBackward" ToolTip="Navigate backward">
-                    <Image Width="16" Height="16" Source="/Resources/Icons/arrow_backward_16.png" />
+                    <Image Width="16" Height="16" Source="/Resources/Icons/16/arrow_backward.png" />
                 </Button>
                 <Button Name="buttonForward" ToolTip="Navigate forward">
-                    <Image Width="16" Height="16" Source="/Resources/Icons/arrow_forward_16.png" />
+                    <Image Width="16" Height="16" Source="/Resources/Icons/16/arrow_forward.png" />
                 </Button>
                 <Separator />
                 <Button DataContext="{Binding DocumentController.DocumentCreateCommand}"
-                        Style="{StaticResource CommandButtonStyle}" />
+                        Style="{StaticResource CommandButtonStyle}">
+                    <Image Width="16" Height="16" Source="{Binding Icon}" />
+                </Button>
             </ToolBar>
         </ToolBarTray>
 
@@ -102,10 +84,10 @@
                 <adlayout:LayoutPanel Orientation="Horizontal">
                     <adlayout:LayoutDocumentPane x:Name="documentPane" />
 
-                    <adlayout:LayoutAnchorablePaneGroup DockWidth="150" Orientation="Vertical">
+                    <adlayout:LayoutAnchorablePaneGroup DockWidth="250" Orientation="Vertical">
                         <adlayout:LayoutAnchorablePane>
-                            <adlayout:LayoutAnchorable Title="Skins">
-                                <ui:SkinsPanel />
+                            <adlayout:LayoutAnchorable Title="Project">
+                                <ui:ProjectPanel x:Name="projectPanel" />
                             </adlayout:LayoutAnchorable>
                             <adlayout:LayoutAnchorable Title="Outline" />
                         </adlayout:LayoutAnchorablePane>

RainmeterStudio/UI/MainWindow.xaml.cs

@@ -39,19 +39,16 @@ namespace RainmeterStudio.UI
             ProjectManager projectManager = new ProjectManager(projectStorage);
             ProjectController = new Controller.ProjectController(projectManager);
             ProjectController.OwnerWindow = this;
-            AddKeyBinding(ProjectController.ProjectCreateCommand);
-
+            this.AddKeyBinding(ProjectController.ProjectCreateCommand);
+            
             // Initialize document controller
             DocumentController = new DocumentController();
             DocumentController.OwnerWindow = this;
             DocumentController.DocumentOpened += documentController_DocumentOpened;
-            AddKeyBinding(DocumentController.DocumentCreateCommand);
-        }
+            this.AddKeyBinding(DocumentController.DocumentCreateCommand);
 
-        private void AddKeyBinding(Command c)
-        {
-            if (c.Shortcut != null)
-                InputBindings.Add(new KeyBinding(c, c.Shortcut));
+            // Initialize panels
+            projectPanel.Controller = ProjectController;
         }
 
         void documentController_DocumentOpened(object sender, DocumentOpenedEventArgs e)

RainmeterStudio/UI/ProjectPanel.xaml

@@ -0,0 +1,61 @@
+<UserControl x:Class="RainmeterStudio.UI.ProjectPanel"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:ctrl="clr-namespace:RainmeterStudio.UI.Controller"
+             mc:Ignorable="d" 
+             d:DesignHeight="300" d:DesignWidth="300">
+    <UserControl.Resources>
+        <ctrl:IconProviderConverter x:Key="IconConverter" />
+    </UserControl.Resources>
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition />
+        </Grid.RowDefinitions>
+        
+        <!-- Toolbar -->
+        <ToolBar Grid.Row="0" ToolBarTray.IsLocked="True">
+            <Button DataContext="{Binding SyncWithActiveViewCommand}"
+                    Style="{StaticResource CommandButtonStyle}">
+                <Image Width="16" Height="16" Source="{Binding Icon}" />
+            </Button>
+            <Button DataContext="{Binding RefreshCommand}"
+                    Style="{StaticResource CommandButtonStyle}">
+                <Image Width="16" Height="16" Source="{Binding Icon}" />
+            </Button>
+            <Button DataContext="{Binding CollapseAllCommand}"
+                    Style="{StaticResource CommandAutoHideButtonStyle}">
+                <Image Width="16" Height="16" Source="{Binding Icon}" />
+            </Button>
+            <Button DataContext="{Binding ExpandAllCommand}"
+                    Style="{StaticResource CommandAutoHideButtonStyle}">
+                <Image Width="16" Height="16" Source="{Binding Icon}" />
+            </Button>
+            <ToggleButton Name="toggleShowAllFiles"
+                    DataContext="{Binding ShowAllFilesCommand}"
+                    Style="{StaticResource CommandButtonStyle}">
+                <Image Width="16" Height="16" Source="{Binding Icon}" />
+            </ToggleButton>
+        </ToolBar>
+        
+        <!-- Project item tree  -->
+        <TreeView Grid.Row="2" Name="treeProjectItems">
+            <TreeView.ItemContainerStyle>
+                <Style TargetType="{x:Type TreeViewItem}">
+                    <Setter Property="IsExpanded" Value="True" />
+                </Style>
+            </TreeView.ItemContainerStyle>
+            <TreeView.ItemTemplate>
+                <HierarchicalDataTemplate ItemsSource="{Binding Children}">
+                    <DockPanel LastChildFill="True">
+                        <Image DockPanel.Dock="Left" Width="16" Height="16" Source="{Binding Converter={StaticResource IconConverter}}" />
+                        <TextBlock Text="{Binding Data.Name}" />
+                    </DockPanel>
+                </HierarchicalDataTemplate>
+            </TreeView.ItemTemplate>
+        </TreeView>
+    </Grid>
+</UserControl>

RainmeterStudio/UI/ProjectPanel.xaml.cs

@@ -0,0 +1,177 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using RainmeterStudio.Interop;
+using RainmeterStudio.Model;
+using RainmeterStudio.Storage;
+using RainmeterStudio.UI.Controller;
+using RainmeterStudio.Utils;
+
+namespace RainmeterStudio.UI
+{
+    /// <summary>
+    /// Interaction logic for SkinsPanel.xaml
+    /// </summary>
+    public partial class ProjectPanel : UserControl
+    {
+        private ProjectController _controller;
+        public ProjectController Controller
+        {
+            get
+            {
+                return _controller;
+            }
+            set
+            {
+                // Unsubscribe from old project
+                if (_controller != null)
+                {
+                    Controller.ActiveProjectChanged -= Controller_ActiveProjectChanged;
+                }
+
+                // Set new project
+                _controller = value;
+                _controller.ActiveProjectChanged += Controller_ActiveProjectChanged;
+                Refresh();
+            }
+        }
+
+        private Command _syncWithActiveViewCommand;
+        public Command SyncWithActiveViewCommand
+        {
+            get
+            {
+                if (_syncWithActiveViewCommand == null)
+                {
+                    _syncWithActiveViewCommand = new Command("ProjectPanel_SyncWithActiveViewCommand", SyncWithActiveView);
+                }
+                return _syncWithActiveViewCommand;
+            }
+        }
+
+        private Command _refreshCommand;
+        public Command RefreshCommand
+        {
+            get
+            {
+                if (_refreshCommand == null)
+                {
+                    _refreshCommand = new Command("ProjectPanel_RefreshCommand", SyncWithActiveView)
+                    {
+                        Shortcut = new KeyGesture(Key.F5)
+                    };
+                }
+                return _refreshCommand;
+            }
+        }
+
+        private Command _expandAllCommand;
+        public Command ExpandAllCommand
+        {
+            get
+            {
+                if (_expandAllCommand == null)
+                {
+                    _expandAllCommand = new Command("ProjectPanel_ExpandAllCommand", SyncWithActiveView);
+                }
+                return _expandAllCommand;
+            }
+        }
+
+        private Command _collapseAllCommand;
+        public Command CollapseAllCommand
+        {
+            get
+            {
+                if (_collapseAllCommand == null)
+                {
+                    _collapseAllCommand = new Command("ProjectPanel_CollapseAllCommand", SyncWithActiveView);
+                }
+                return _collapseAllCommand;
+            }
+        }
+
+        private Command _showAllFilesCommand;
+        public Command ShowAllFilesCommand
+        {
+            get
+            {
+                if (_showAllFilesCommand == null)
+                {
+                    _showAllFilesCommand = new Command("ProjectPanel_ShowAllFilesCommand", SyncWithActiveView);
+                }
+                return _showAllFilesCommand;
+            }
+        }
+
+        public ProjectPanel()
+        {
+            InitializeComponent();
+
+            this.DataContext = this;
+            Refresh();
+        }
+
+        void Controller_ActiveProjectChanged(object sender, EventArgs e)
+        {
+            Refresh();
+        }
+
+        private void SyncWithActiveView()
+        {
+            // TODO: implement
+        }
+
+        private void Refresh()
+        {
+            if (Controller == null || Controller.ActiveProject == null)
+            {
+                this.IsEnabled = false;
+            }
+            else
+            {
+                this.IsEnabled = true;
+
+                // Display all files in the project directory
+                if (toggleShowAllFiles.IsChecked.HasValue && toggleShowAllFiles.IsChecked.Value)
+                {
+                    string projectFolder = System.IO.Path.GetDirectoryName(Controller.ActiveProjectPath);
+                    var tree = DirectoryHelper.GetFolderTree(projectFolder);
+                    tree.Data = Controller.ActiveProject.Root.Data;
+            
+                    treeProjectItems.Items.Clear();
+                    treeProjectItems.Items.Add(tree);
+                }
+
+                // Display only the project items
+                else
+                {
+                    treeProjectItems.Items.Clear();
+                    treeProjectItems.Items.Add(Controller.ActiveProject.Root);
+                }
+            }
+        }
+
+        private void toggleShowAllFiles_Checked(object sender, RoutedEventArgs e)
+        {
+            Refresh();
+        }
+
+        private void toggleShowAllFiles_Unchecked(object sender, RoutedEventArgs e)
+        {
+            Refresh();
+        }
+    }
+}

RainmeterStudio/UI/SkinsPanel.xaml

@@ -1,16 +0,0 @@
-<UserControl x:Class="RainmeterStudio.UI.SkinsPanel"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-             mc:Ignorable="d" 
-             d:DesignHeight="300" d:DesignWidth="300">
-    <Grid>
-        <TreeView>
-            <TreeViewItem Header="Sample item">
-                <TreeViewItem Header="Sample subitem" />
-            </TreeViewItem>
-            <TreeViewItem Header="Sample item 2" />
-        </TreeView>
-    </Grid>
-</UserControl>

RainmeterStudio/UI/SkinsPanel.xaml.cs

@@ -1,31 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
-using RainmeterStudio.Interop;
-using RainmeterStudio.Storage;
-
-namespace RainmeterStudio.UI
-{
-    /// <summary>
-    /// Interaction logic for SkinsPanel.xaml
-    /// </summary>
-    public partial class SkinsPanel : UserControl
-    {
-        public SkinsPanel()
-        {
-            InitializeComponent();
-
-            //var x = Rainmeter.Instance.Handle;
-        }
-    }
-}

RainmeterStudio/Utils/DirectoryHelper.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using RainmeterStudio.Model;
+
+namespace RainmeterStudio.Utils
+{
+    public static class DirectoryHelper
+    {
+        public static Tree<Reference> GetFolderTree(string folder)
+        {
+            // Build tree object
+            Reference reference = new Reference(Path.GetFileName(folder), folder);
+            Tree<Reference> tree = new Tree<Reference>(reference);
+
+            // Navigate folder structure
+            if (Directory.Exists(folder))
+            {
+                foreach (var item in Directory.EnumerateDirectories(folder)
+                    .Concat(Directory.EnumerateFiles(folder)))
+                {
+                    tree.Add(GetFolderTree(item));
+                }
+            }
+
+            // Return tree
+            return tree;
+        }
+    }
+}