Merge pull request #482 from irihitech/form

Form Dynamic Generation

demo/Ursa.Demo/ViewModels/FormDemoViewModel.cs

@@ -1,6 +1,8 @@
 using System;
+using System.Collections.ObjectModel;
 using System.ComponentModel.DataAnnotations;
 using CommunityToolkit.Mvvm.ComponentModel;
+using Irihi.Avalonia.Shared.Contracts;
 
 namespace Ursa.Demo.ViewModels;
 
@@ -11,13 +13,48 @@ public partial class FormDemoViewModel : ObservableObject
     public FormDemoViewModel()
     {
         Model = new DataModel();
+        FormGroups = new ObservableCollection<IFormElement>
+        {
+            new FormGroupViewModel
+            {
+                Title = "Basic Information",
+                Items = new ObservableCollection<IFromItemViewModel>
+                {
+                    new FormTextViewModel { Label = "Name" },
+                    new FormAgeViewModel { Label = "Age" },
+                    new FormTextViewModel { Label = "Email" }
+                }
+            },
+            new FormGroupViewModel
+            {
+                Title = "Education Information",
+                Items = new ObservableCollection<IFromItemViewModel>
+                {
+                    new FormTextViewModel { Label = "College" },
+                    new FormDateRangeViewModel { Label = "Study Time" }
+                }
+            },
+            new FormTextViewModel(){ Label = "Other" }
+        };
     }
+
+    public ObservableCollection<IFormElement> FormGroups { get; set; }
 }
 
-public partial class DataModel : ObservableObject
+public class DataModel : ObservableObject
 {
+    private DateTime _date;
+
+    private string _email = string.Empty;
     private string _name = string.Empty;
 
+    private double _number;
+
+    public DataModel()
+    {
+        Date = DateTime.Today;
+    }
+
     [MinLength(10)]
     public string Name
     {
@@ -25,8 +62,6 @@ public partial class DataModel : ObservableObject
         set => SetProperty(ref _name, value);
     }
 
-    private double _number;
-
     [Range(0.0, 10.0)]
     public double Number
     {
@@ -34,8 +69,6 @@ public partial class DataModel : ObservableObject
         set => SetProperty(ref _number, value);
     }
 
-    private string _email = string.Empty;
-
     [EmailAddress]
     public string Email
     {
@@ -43,16 +76,50 @@ public partial class DataModel : ObservableObject
         set => SetProperty(ref _email, value);
     }
 
-    private DateTime _date;
-
     public DateTime Date
     {
         get => _date;
         set => SetProperty(ref _date, value);
     }
+}
 
-    public DataModel()
-    {
-        Date = DateTime.Today;
-    }
+public interface IFormElement
+{
+    
+}
+
+public interface IFormGroupViewModel : IFormGroup, IFormElement
+{
+    public string? Title { get; set; }
+    public ObservableCollection<IFromItemViewModel> Items { get; set; }
+}
+
+public interface IFromItemViewModel: IFormElement
+{
+    public string? Label { get; set; }
+}
+
+public partial class FormGroupViewModel : ObservableObject, IFormGroupViewModel
+{
+    [ObservableProperty] private string? _title;
+    public ObservableCollection<IFromItemViewModel> Items { get; set; } = [];
+}
+
+public partial class FormTextViewModel : ObservableObject, IFromItemViewModel
+{
+    [ObservableProperty] private string? _label;
+    [ObservableProperty] private string? _value;
+}
+
+public partial class FormAgeViewModel : ObservableObject, IFromItemViewModel
+{
+    [ObservableProperty] private uint? _age;
+    [ObservableProperty] private string? _label;
+}
+
+public partial class FormDateRangeViewModel : ObservableObject, IFromItemViewModel
+{
+    [ObservableProperty] private DateTime? _end;
+    [ObservableProperty] private string? _label;
+    [ObservableProperty] private DateTime? _start;
 }