Enhance the landing page and include the recent projects for faster opening

Examples/Nodify.Calculator/Models/RecentProjectEntry.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace Nodify.Calculator.Models
+{
+    public class RecentProjectEntry
+    {
+        public int Id { get; set; }
+        public string ProjectName { get; set; } = string.Empty;
+        public string ProjectPath { get; set; } = string.Empty;
+        public DateTime LastOpened { get; set; } = DateTime.Now;
+    }
+}

Examples/Nodify.Calculator/RecentProjectsStore.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using LiteDB;
+using Nodify.Calculator.Models;
+
+namespace Nodify.Calculator
+{
+    /// <summary>
+    /// Manages a per-user database of recently opened projects.
+    /// The DB lives in %APPDATA%/APIVisualExecutor/recentprojects.db
+    /// </summary>
+    public static class RecentProjectsStore
+    {
+        private static string DbPath
+        {
+            get
+            {
+                var appData = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
+                var dir = Path.Combine(appData, "APIVisualExecutor");
+                Directory.CreateDirectory(dir);
+                return Path.Combine(dir, "recentprojects.db");
+            }
+        }
+
+        /// <summary>
+        /// Returns all recent projects ordered by last-opened descending.
+        /// </summary>
+        public static List<RecentProjectEntry> GetAll()
+        {
+            using var db = new LiteDatabase(DbPath);
+            var col = db.GetCollection<RecentProjectEntry>("projects");
+            return col.FindAll().OrderByDescending(p => p.LastOpened).ToList();
+        }
+
+        /// <summary>
+        /// Adds or updates a project entry (matched by path).
+        /// </summary>
+        public static void Upsert(string projectName, string projectFilePath)
+        {
+            using var db = new LiteDatabase(DbPath);
+            var col = db.GetCollection<RecentProjectEntry>("projects");
+            var normalized = Path.GetFullPath(projectFilePath);
+            var existing = col.FindOne(p => p.ProjectPath == normalized);
+            if (existing != null)
+            {
+                existing.ProjectName = projectName;
+                existing.LastOpened = DateTime.Now;
+                col.Update(existing);
+            }
+            else
+            {
+                col.Insert(new RecentProjectEntry
+                {
+                    ProjectName = projectName,
+                    ProjectPath = normalized,
+                    LastOpened = DateTime.Now
+                });
+            }
+        }
+
+        /// <summary>
+        /// Removes a project entry by path.
+        /// </summary>
+        public static void Remove(string projectFilePath)
+        {
+            using var db = new LiteDatabase(DbPath);
+            var col = db.GetCollection<RecentProjectEntry>("projects");
+            var normalized = Path.GetFullPath(projectFilePath);
+            col.DeleteMany(p => p.ProjectPath == normalized);
+        }
+    }
+}

Examples/Nodify.Calculator/StartupWindow.xaml

@@ -2,38 +2,195 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="API Visual Executor"
-        Width="500"
-        Height="380"
+        Width="720"
+        Height="520"
         WindowStartupLocation="CenterScreen"
-        ResizeMode="NoResize"
+        ResizeMode="CanResizeWithGrip"
         Background="#1E1E1E"
         Foreground="White">
-    <Grid>
-        <StackPanel VerticalAlignment="Center" HorizontalAlignment="Center" Width="360">
+    <Grid Margin="32,24">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+
+        <!-- Header -->
+        <StackPanel Grid.Row="0" HorizontalAlignment="Center" Margin="0,0,0,6">
             <TextBlock Text="API Visual Executor"
-                       FontSize="26" FontWeight="Bold"
+                       FontSize="28" FontWeight="Bold"
                        Foreground="#6366f1"
-                       HorizontalAlignment="Center"
-                       Margin="0 0 0 8" />
+                       HorizontalAlignment="Center" />
             <TextBlock Text="Create or open a project to get started"
                        FontSize="13" Foreground="Gray"
                        HorizontalAlignment="Center"
-                       Margin="0 0 0 30" />
+                       Margin="0,4,0,0" />
+        </StackPanel>
 
+        <!-- Action buttons -->
+        <StackPanel Grid.Row="1" Orientation="Horizontal"
+                    HorizontalAlignment="Center" Margin="0,14,0,14">
             <Button Content="➕  New Project"
-                    Height="48" FontSize="16"
-                    Margin="0 0 0 14"
+                    Width="200" Height="42" FontSize="15"
+                    Margin="0,0,12,0"
                     Background="#6366f1" Foreground="White"
                     BorderThickness="0" Cursor="Hand"
                     Click="NewProject_Click" />
-
             <Button Content="📂  Open Project"
-                    Height="48" FontSize="16"
-                    Margin="0 0 0 14"
+                    Width="200" Height="42" FontSize="15"
                     Background="#3E3E42" Foreground="White"
                     BorderThickness="1" BorderBrush="#555"
                     Cursor="Hand"
                     Click="OpenProject_Click" />
         </StackPanel>
+
+        <!-- Recent projects grid -->
+        <Border Grid.Row="2" Background="#252526" CornerRadius="6"
+                BorderBrush="#3E3E42" BorderThickness="1"
+                Padding="0">
+            <Grid>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="Auto" />
+                    <RowDefinition Height="*" />
+                </Grid.RowDefinitions>
+
+                <TextBlock Grid.Row="0" Text="Recent Projects"
+                           FontSize="14" FontWeight="SemiBold"
+                           Foreground="#DCDCDC" Margin="14,10,14,6" />
+
+                <!-- Empty state -->
+                <TextBlock Grid.Row="1" x:Name="EmptyLabel"
+                           Text="No recent projects yet. Create or open a project to see it here."
+                           Foreground="#777" FontSize="12"
+                           HorizontalAlignment="Center" VerticalAlignment="Center"
+                           Visibility="Collapsed" />
+
+                <DataGrid Grid.Row="1" x:Name="RecentProjectsGrid"
+                          AutoGenerateColumns="False"
+                          IsReadOnly="True"
+                          CanUserAddRows="False"
+                          CanUserDeleteRows="False"
+                          CanUserReorderColumns="False"
+                          SelectionMode="Single"
+                          HeadersVisibility="Column"
+                          GridLinesVisibility="Horizontal"
+                          HorizontalGridLinesBrush="#2D2D30"
+                          Background="Transparent"
+                          RowBackground="#252526"
+                          AlternatingRowBackground="#2A2A2E"
+                          BorderThickness="0"
+                          Foreground="#DCDCDC"
+                          FontSize="13"
+                          Margin="6,0,6,6"
+                          MouseDoubleClick="RecentProjectsGrid_MouseDoubleClick">
+                    <DataGrid.ColumnHeaderStyle>
+                        <Style TargetType="DataGridColumnHeader">
+                            <Setter Property="Background" Value="#2D2D30" />
+                            <Setter Property="Foreground" Value="#AAAAAA" />
+                            <Setter Property="FontSize" Value="12" />
+                            <Setter Property="FontWeight" Value="SemiBold" />
+                            <Setter Property="Padding" Value="10,6" />
+                            <Setter Property="BorderBrush" Value="#3E3E42" />
+                            <Setter Property="BorderThickness" Value="0,0,0,1" />
+                        </Style>
+                    </DataGrid.ColumnHeaderStyle>
+                    <DataGrid.RowStyle>
+                        <Style TargetType="DataGridRow">
+                            <Setter Property="Cursor" Value="Hand" />
+                            <Style.Triggers>
+                                <Trigger Property="IsMouseOver" Value="True">
+                                    <Setter Property="Background" Value="#333337" />
+                                </Trigger>
+                                <Trigger Property="IsSelected" Value="True">
+                                    <Setter Property="Background" Value="#3E3E42" />
+                                </Trigger>
+                            </Style.Triggers>
+                        </Style>
+                    </DataGrid.RowStyle>
+                    <DataGrid.CellStyle>
+                        <Style TargetType="DataGridCell">
+                            <Setter Property="BorderThickness" Value="0" />
+                            <Setter Property="Padding" Value="10,6" />
+                            <Setter Property="Template">
+                                <Setter.Value>
+                                    <ControlTemplate TargetType="DataGridCell">
+                                        <Border Padding="{TemplateBinding Padding}" Background="{TemplateBinding Background}">
+                                            <ContentPresenter VerticalAlignment="Center" />
+                                        </Border>
+                                    </ControlTemplate>
+                                </Setter.Value>
+                            </Setter>
+                            <Style.Triggers>
+                                <Trigger Property="IsSelected" Value="True">
+                                    <Setter Property="Background" Value="Transparent" />
+                                    <Setter Property="Foreground" Value="White" />
+                                </Trigger>
+                            </Style.Triggers>
+                        </Style>
+                    </DataGrid.CellStyle>
+                    <DataGrid.Columns>
+                        <DataGridTextColumn Header="Project Name" Binding="{Binding ProjectName}" Width="*">
+                            <DataGridTextColumn.ElementStyle>
+                                <Style TargetType="TextBlock">
+                                    <Setter Property="Foreground" Value="#E0E0E0" />
+                                    <Setter Property="FontWeight" Value="Medium" />
+                                    <Setter Property="VerticalAlignment" Value="Center" />
+                                </Style>
+                            </DataGridTextColumn.ElementStyle>
+                        </DataGridTextColumn>
+                        <DataGridTextColumn Header="Location" Binding="{Binding ProjectPath}" Width="2*">
+                            <DataGridTextColumn.ElementStyle>
+                                <Style TargetType="TextBlock">
+                                    <Setter Property="Foreground" Value="#999999" />
+                                    <Setter Property="TextTrimming" Value="CharacterEllipsis" />
+                                    <Setter Property="VerticalAlignment" Value="Center" />
+                                </Style>
+                            </DataGridTextColumn.ElementStyle>
+                        </DataGridTextColumn>
+                        <DataGridTextColumn Header="Last Opened" Binding="{Binding LastOpened, StringFormat='{}{0:MMM dd, yyyy  hh:mm tt}'}" Width="160">
+                            <DataGridTextColumn.ElementStyle>
+                                <Style TargetType="TextBlock">
+                                    <Setter Property="Foreground" Value="#888888" />
+                                    <Setter Property="VerticalAlignment" Value="Center" />
+                                </Style>
+                            </DataGridTextColumn.ElementStyle>
+                        </DataGridTextColumn>
+                        <DataGridTemplateColumn Header="" Width="70">
+                            <DataGridTemplateColumn.CellTemplate>
+                                <DataTemplate>
+                                    <Button Content="Open"
+                                            Click="OpenRecentProject_Click"
+                                            Background="#6366f1" Foreground="White"
+                                            BorderThickness="0" Cursor="Hand"
+                                            Padding="10,4" FontSize="12"
+                                            HorizontalAlignment="Center"
+                                            VerticalAlignment="Center" />
+                                </DataTemplate>
+                            </DataGridTemplateColumn.CellTemplate>
+                        </DataGridTemplateColumn>
+                        <DataGridTemplateColumn Header="" Width="36">
+                            <DataGridTemplateColumn.CellTemplate>
+                                <DataTemplate>
+                                    <Button Content="✕"
+                                            Click="RemoveRecentProject_Click"
+                                            Background="Transparent" Foreground="#888"
+                                            BorderThickness="0" Cursor="Hand"
+                                            Padding="4,2" FontSize="12"
+                                            ToolTip="Remove from list"
+                                            HorizontalAlignment="Center"
+                                            VerticalAlignment="Center" />
+                                </DataTemplate>
+                            </DataGridTemplateColumn.CellTemplate>
+                        </DataGridTemplateColumn>
+                    </DataGrid.Columns>
+                </DataGrid>
+            </Grid>
+        </Border>
+
+        <!-- Footer hint -->
+        <TextBlock Grid.Row="3" Text="Double-click a project to open it quickly"
+                   FontSize="11" Foreground="#555"
+                   HorizontalAlignment="Center" Margin="0,8,0,0" />
     </Grid>
 </Window>

Examples/Nodify.Calculator/StartupWindow.xaml.cs

@@ -1,14 +1,32 @@
 using Microsoft.Win32;
+using Nodify.Calculator.Models;
+using System.Collections.ObjectModel;
 using System.IO;
 using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
 
 namespace Nodify.Calculator
 {
     public partial class StartupWindow : Window
     {
+        public ObservableCollection<RecentProjectEntry> RecentProjects { get; } = new();
+
         public StartupWindow()
         {
             InitializeComponent();
+            LoadRecentProjects();
+        }
+
+        private void LoadRecentProjects()
+        {
+            RecentProjects.Clear();
+            foreach (var entry in RecentProjectsStore.GetAll())
+                RecentProjects.Add(entry);
+
+            RecentProjectsGrid.ItemsSource = RecentProjects;
+
+            EmptyLabel.Visibility = RecentProjects.Count == 0 ? Visibility.Visible : Visibility.Collapsed;
         }
 
         private void NewProject_Click(object sender, RoutedEventArgs e)
@@ -19,7 +37,7 @@ namespace Nodify.Calculator
                 return;
 
             ProjectManager.CreateProject(dialog.ProjectName, dialog.ProjectDirectory);
-            OpenMainWindow();
+            TrackAndOpen();
         }
 
         private void OpenProject_Click(object sender, RoutedEventArgs e)
@@ -35,6 +53,55 @@ namespace Nodify.Calculator
                 return;
 
             ProjectManager.OpenProject(ofd.FileName);
+            TrackAndOpen();
+        }
+
+        private void OpenRecentProject_Click(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button btn && btn.DataContext is RecentProjectEntry entry)
+                OpenRecentEntry(entry);
+        }
+
+        private void RemoveRecentProject_Click(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button btn && btn.DataContext is RecentProjectEntry entry)
+            {
+                RecentProjectsStore.Remove(entry.ProjectPath);
+                LoadRecentProjects();
+            }
+        }
+
+        private void RecentProjectsGrid_MouseDoubleClick(object sender, MouseButtonEventArgs e)
+        {
+            if (RecentProjectsGrid.SelectedItem is RecentProjectEntry entry)
+                OpenRecentEntry(entry);
+        }
+
+        private void OpenRecentEntry(RecentProjectEntry entry)
+        {
+            if (!File.Exists(entry.ProjectPath))
+            {
+                var result = MessageBox.Show(
+                    $"Project file not found:\n{entry.ProjectPath}\n\nRemove it from the list?",
+                    "Project Not Found",
+                    MessageBoxButton.YesNo,
+                    MessageBoxImage.Warning);
+
+                if (result == MessageBoxResult.Yes)
+                {
+                    RecentProjectsStore.Remove(entry.ProjectPath);
+                    LoadRecentProjects();
+                }
+                return;
+            }
+
+            ProjectManager.OpenProject(entry.ProjectPath);
+            TrackAndOpen();
+        }
+
+        private void TrackAndOpen()
+        {
+            RecentProjectsStore.Upsert(ProjectManager.ProjectName, ProjectManager.ProjectFilePath);
             OpenMainWindow();
         }