Added DockPanel serialization.

DarkUI/DarkUI.csproj

@@ -128,6 +128,7 @@
     <Compile Include="Docking\DarkDockTab.cs" />
     <Compile Include="Docking\DarkDockTabArea.cs" />
     <Compile Include="Docking\DockContentEvenArgs.cs" />
+    <Compile Include="Docking\DockPanelState.cs" />
     <Compile Include="Extensions\BitmapExtensions.cs" />
     <Compile Include="Extensions\IEnumerableExtensions.cs" />
     <Compile Include="Forms\DarkDialog.cs">

DarkUI/Docking/DarkDockContent.cs

@@ -51,6 +51,10 @@ namespace DarkUI.Docking
         [DefaultValue(DarkDockArea.Document)]
         public DarkDockArea DockArea { get; set; }
 
+        [Category("Behavior")]
+        [Description("Determines the key used by this content in the dock serialization.")]
+        public string SerializationKey { get; set; }
+
         [Browsable(false)]
         [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
         public DarkDockPanel DockPanel { get; internal set; }

DarkUI/Docking/DarkDockPanel.cs

@@ -192,6 +192,36 @@ namespace DarkUI.Docking
         }
 
         #endregion
+
+        #region Serialization Region
+
+        public DockPanelState GetDockPanelState()
+        {
+            var state = new DockPanelState();
+
+            foreach (var content in _contents)
+                state.OpenContent.Add(content.SerializationKey);
+
+            state.LeftRegionSize = _regions[DarkDockArea.Left].Size;
+            state.RightRegionSize = _regions[DarkDockArea.Right].Size;
+            state.BottomRegionSize = _regions[DarkDockArea.Bottom].Size;
+
+            return state;
+        }
+
+        public void RestoreDockPanelRegions(DockPanelState state)
+        {
+            if (state.LeftRegionSize.Width > 0 && state.LeftRegionSize.Height > 0)
+                _regions[DarkDockArea.Left].Size = state.LeftRegionSize;
+
+            if (state.RightRegionSize.Width > 0 && state.RightRegionSize.Height > 0)
+                _regions[DarkDockArea.Right].Size = state.RightRegionSize;
+
+            if (state.BottomRegionSize.Width > 0 && state.BottomRegionSize.Height > 0)
+                _regions[DarkDockArea.Bottom].Size = state.BottomRegionSize;
+        }
+
+        #endregion
     }
 }
     

DarkUI/Docking/DockPanelState.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using System.Drawing;
+
+namespace DarkUI.Docking
+{
+    public class DockPanelState
+    {
+        #region Property Region
+
+        public List<string> OpenContent { get; set; }
+
+        public Size LeftRegionSize { get; set; }
+
+        public Size RightRegionSize { get; set; }
+
+        public Size BottomRegionSize { get; set; }
+
+        #endregion
+
+        #region Constructor Region
+
+        public DockPanelState()
+        {
+            OpenContent = new List<string>();
+        }
+
+        public DockPanelState(List<string> openContent, Size leftRegionSize, Size rightRegionSize, Size bottomRegionSize)
+            : this()
+        {
+            OpenContent = openContent;
+            LeftRegionSize = leftRegionSize;
+            RightRegionSize = rightRegionSize;
+            BottomRegionSize = bottomRegionSize;
+        }
+
+        #endregion
+    }
+}

Example/Example.csproj

@@ -34,6 +34,9 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>.\Newtonsoft.Json.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
@@ -95,6 +98,7 @@
     <Compile Include="Forms\MainForm.Designer.cs">
       <DependentUpon>MainForm.cs</DependentUpon>
     </Compile>
+    <Compile Include="Helpers\SerializerHelper.cs" />
     <Compile Include="Icons.Designer.cs">
       <AutoGen>True</AutoGen>
       <DesignTime>True</DesignTime>

Example/Forms/Docking/DockConsole.Designer.cs

@@ -31,7 +31,7 @@ namespace Example
         /// </summary>
         private void InitializeComponent()
         {
-            this.lstConsole = new DarkListView();
+            this.lstConsole = new DarkUI.Controls.DarkListView();
             this.SuspendLayout();
             // 
             // lstConsole
@@ -49,11 +49,12 @@ namespace Example
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.Controls.Add(this.lstConsole);
-            this.DockArea = DarkDockArea.Bottom;
+            this.DockArea = DarkUI.Docking.DarkDockArea.Bottom;
             this.DockText = "Console";
             this.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.Icon = global::Example.Icons.Console;
             this.Name = "DockConsole";
+            this.SerializationKey = "DockConsole";
             this.Size = new System.Drawing.Size(500, 200);
             this.ResumeLayout(false);
 

Example/Forms/Docking/DockHistory.Designer.cs

@@ -49,11 +49,12 @@ namespace Example
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.Controls.Add(this.lstHistory);
-            this.DockArea = DarkDockArea.Right;
+            this.DockArea = DarkUI.Docking.DarkDockArea.Right;
             this.DockText = "History";
             this.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.Icon = global::Example.Icons.RefactoringLog_12810;
             this.Name = "DockHistory";
+            this.SerializationKey = "DockHistory";
             this.Size = new System.Drawing.Size(280, 450);
             this.ResumeLayout(false);
 

Example/Forms/Docking/DockLayers.Designer.cs

@@ -31,7 +31,7 @@ namespace Example
         /// </summary>
         private void InitializeComponent()
         {
-            this.lstLayers = new DarkListView();
+            this.lstLayers = new DarkUI.Controls.DarkListView();
             this.SuspendLayout();
             // 
             // lstLayers
@@ -48,11 +48,12 @@ namespace Example
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.Controls.Add(this.lstLayers);
-            this.DockArea = DarkDockArea.Right;
+            this.DockArea = DarkUI.Docking.DarkDockArea.Right;
             this.DockText = "Layers";
             this.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.Icon = global::Example.Icons.Collection_16xLG;
             this.Name = "DockLayers";
+            this.SerializationKey = "DockLayers";
             this.Size = new System.Drawing.Size(280, 450);
             this.ResumeLayout(false);
 

Example/Forms/Docking/DockProject.Designer.cs

@@ -32,7 +32,7 @@ namespace Example
         /// </summary>
         private void InitializeComponent()
         {
-            this.treeProject = new DarkTreeView();
+            this.treeProject = new DarkUI.Controls.DarkTreeView();
             this.SuspendLayout();
             // 
             // treeProject
@@ -40,6 +40,7 @@ namespace Example
             this.treeProject.AllowMoveNodes = true;
             this.treeProject.Dock = System.Windows.Forms.DockStyle.Fill;
             this.treeProject.Location = new System.Drawing.Point(0, 25);
+            this.treeProject.MaxDragChange = 20;
             this.treeProject.MultiSelect = true;
             this.treeProject.Name = "treeProject";
             this.treeProject.ShowIcons = true;
@@ -52,11 +53,12 @@ namespace Example
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.Controls.Add(this.treeProject);
-            this.DockArea = DarkDockArea.Left;
+            this.DockArea = DarkUI.Docking.DarkDockArea.Left;
             this.DockText = "Project Explorer";
             this.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.Icon = global::Example.Icons.application_16x;
             this.Name = "DockProject";
+            this.SerializationKey = "DockProject";
             this.Size = new System.Drawing.Size(280, 450);
             this.ResumeLayout(false);
 

Example/Forms/Docking/DockProperties.Designer.cs

@@ -177,11 +177,12 @@ namespace Example
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.Controls.Add(this.pnlMain);
-            this.DockArea = DarkDockArea.Right;
+            this.DockArea = DarkUI.Docking.DarkDockArea.Right;
             this.DockText = "Properties";
             this.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.Icon = global::Example.Icons.properties_16xLG;
             this.Name = "DockProperties";
+            this.SerializationKey = "DockProperties";
             this.Size = new System.Drawing.Size(280, 450);
             this.pnlMain.ResumeLayout(false);
             this.pnlMain.PerformLayout();

Example/Forms/MainForm.cs

@@ -3,6 +3,7 @@ using DarkUI.Forms;
 using DarkUI.Win32;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Windows.Forms;
 
 namespace Example
@@ -52,12 +53,20 @@ namespace Example
             _toolWindows.Add(_dockLayers);
             _toolWindows.Add(_dockHistory);
 
-            // Add the tool window list contents to the dock panel
+            // Deserialize if a previous state is stored
-            foreach (var toolWindow in _toolWindows)
+            if (File.Exists("dockpanel.config"))
-                DockPanel.AddContent(toolWindow);
+            {
+                DeserializeDockPanel("dockpanel.config");
+            }
+            else
+            {
+                // Add the tool window list contents to the dock panel
+                foreach (var toolWindow in _toolWindows)
+                    DockPanel.AddContent(toolWindow);
 
-            // Add the history panel to the layer panel group
+                // Add the history panel to the layer panel group
-            DockPanel.AddContent(_dockHistory, _dockLayers.DockGroup);
+                DockPanel.AddContent(_dockHistory, _dockLayers.DockGroup);
+            }
 
             // Check window menu items which are contained in the dock panel
             BuildWindowMenu();
@@ -74,6 +83,8 @@ namespace Example
 
         private void HookEvents()
         {
+            FormClosing += MainForm_FormClosing;
+
             DockPanel.ContentAdded += DockPanel_ContentAdded;
             DockPanel.ContentRemoved += DockPanel_ContentRemoved;
 
@@ -114,6 +125,11 @@ namespace Example
 
         #region Event Handler Region
 
+        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
+        {
+            SerializeDockPanel("dockpanel.config");
+        }
+
         private void DockPanel_ContentAdded(object sender, DockContentEventArgs e)
         {
             if (_toolWindows.Contains(e.Content))
@@ -175,5 +191,40 @@ namespace Example
         }
 
         #endregion
+
+        #region Serialization Region
+
+        private void SerializeDockPanel(string path)
+        {
+            var state = DockPanel.GetDockPanelState();
+            SerializerHelper.Serialize(state, path);
+        }
+
+        private void DeserializeDockPanel(string path)
+        {
+            var state = SerializerHelper.Deserialize<DockPanelState>(path);
+            DockPanel.RestoreDockPanelRegions(state);
+
+            foreach (var key in state.OpenContent)
+            {
+                var content = GetContentBySerializationKey(key);
+
+                if (content != null)
+                    DockPanel.AddContent(content);
+            }
+        }
+
+        private DarkDockContent GetContentBySerializationKey(string key)
+        {
+            foreach (var window in _toolWindows)
+            {
+                if (window.SerializationKey == key)
+                    return window;
+            }
+
+            return null;
+        }
+
+        #endregion
     }
 }

Example/Helpers/SerializerHelper.cs

@@ -0,0 +1,31 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using System.IO;
+
+namespace Example
+{
+    public class SerializerHelper
+    {
+        public static void Serialize<T>(T obj, string file)
+        {
+            using (var fs = File.CreateText(file))
+            {
+                var serializer = new JsonSerializer();
+                serializer.Formatting = Formatting.Indented;
+                serializer.Serialize(fs, obj);
+            }
+        }
+
+        public static T Deserialize<T>(string file) where T : class
+        {
+            using (var fs = File.OpenText(file))
+            {
+                var serializer = new JsonSerializer();
+                serializer.Converters.Add(new StringEnumConverter());
+
+                var result = serializer.Deserialize(fs, typeof(T));
+                return result as T;
+            }
+        }
+    }
+}