a lot of work

ModpackUpdater.Apps.Manager/Ui/Models/MainWindowViewModel.cs

@@ -1,24 +1,72 @@
+using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
+using Avalonia.Controls;
+using ModpackUpdater.Apps.Manager.Api.Model;
+using PropertyChanged;
 
 namespace ModpackUpdater.Apps.Manager.Ui.Models;
 
 public class MainWindowViewModel : INotifyPropertyChanged
 {
-    #region Implementation of INotifyPropertyChanged
-    
     public event PropertyChangedEventHandler? PropertyChanged;
-    
-    protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null)
-    {
-        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-    }
-    
-    #endregion Implementation of INotifyPropertyChanged
-    
-    public bool IsUpdate { get; set; }
 
-    public List<InstallActionViewModel> Actions { get; } = [];
-    
-    public InstallActionViewModel? SelectedAction { get; set; }
+    private ObservableCollection<MainWindowTreeNode>? currentTreeNodes;
+    private ObservableCollection<MainWindowGridRow>? currentGridRows;
+    private MainWindowTreeNode? selectedTreeNode;
+    private IWorkspace? currentWorkspace;
+
+    public bool IsUpdate => selectedTreeNode is ActionSetTreeNode node && node.Infos is UpdateInfo;
+
+    public MainWindowGridRow? SelectedGridRow { get; set; }
+
+    [AlsoNotifyFor(nameof(CurrentTreeNodes))]
+    public IWorkspace? CurrentWorkspace
+    {
+        get => currentWorkspace;
+        set
+        {
+            currentWorkspace = value;
+            currentTreeNodes = null;
+        }
+    }
+
+    public ObservableCollection<MainWindowTreeNode>? CurrentTreeNodes
+    {
+        get
+        {
+            if (currentTreeNodes == null && currentWorkspace?.InstallInfos != null && currentWorkspace?.UpdateInfos != null)
+                currentTreeNodes =
+                [
+                    new ActionSetTreeNode(currentWorkspace.InstallInfos),
+                    new SimpleMainWindowTreeNode("Updates")
+                    {
+                        Image = AppGlobals.Symbols.GetImageSource(AppSymbols.update_done),
+                        Nodes = [.. currentWorkspace.UpdateInfos.Updates.Select(n => new ActionSetTreeNode(n))],
+                    },
+                ];
+            return currentTreeNodes;
+        }
+    }
+
+    [AlsoNotifyFor(nameof(CurrentGridRows))]
+    public MainWindowTreeNode? SelectedTreeNode
+    {
+        get => selectedTreeNode;
+        set
+        {
+            selectedTreeNode = value;
+            currentGridRows = null;
+        }
+    }
+
+    public ObservableCollection<MainWindowGridRow>? CurrentGridRows
+    {
+        get
+        {
+            if (currentGridRows == null && CurrentWorkspace?.InstallInfos != null && selectedTreeNode is ActionSetTreeNode node)
+                currentGridRows = [.. node.Infos.Actions.Select(n => new MainWindowGridRow(n, CurrentWorkspace.InstallInfos))];
+            return currentGridRows;
+        }
+    }
 }