ApolloNewWorld/FurnaceNewWorld/UIModules/ParameterModule/ViewModels/Parameter/StepNameDefineViewModel.cs

namespace ParameterModule.ViewModels.Parameter;

internal partial class StepNameDefineViewModel : ObservableObject, IActiveAware
{
    public StepNameDefineViewModel()
    {
        this.AllSteps = [];
        for (int i = 1; i <= 200; i++)
        {
            StepDefine step = new()
            {
                Index = i,
                Name = $"Step {i}",
            };
            this.AllSteps.Add(step);
        }
    }

    event EventHandler IActiveAware.IsActiveChanged { add { } remove { } }
    private bool _isActive;
    public bool IsActive
    {
        get => _isActive;
        set
        {
            _isActive = value;
            if (value)
                this.Steps = this.AllSteps?.Take(80);
        }
    }


    [ObservableProperty]
    private IEnumerable<StepDefine>? _Steps;

    [ObservableProperty]
    private ObservableCollection<StepDefine>? _AllSteps;

    [RelayCommand]
    private void Select(string para)
    {
        switch (para)
        {
            case "1":
                this.Steps = this.AllSteps?.Take(80);
                break;
            case "2":
                this.Steps = this.AllSteps?.Skip(80).Take(80);
                break;
            case "3":
                this.Steps = this.AllSteps?.Skip(160).Take(80);
                break;
            default:
                break;
        }
    }

}

public partial class StepDefine : ObservableObject
{
    [ObservableProperty]
    private int _Index;
    [ObservableProperty]
    private string? _Name;
}