add Avalonia Dialogs

Pilz.UI.AvaloniaUI/Dialogs/AvaloniaFlyoutBase.axaml.cs

@@ -0,0 +1,197 @@
+using System.ComponentModel;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+
+namespace Pilz.UI.AvaloniaUI.Dialogs;
+
+public partial class AvaloniaFlyoutBase : UserControl
+{
+    protected readonly BackgroundWorker bgWorker_LoadData = new();
+
+    public delegate void OnCloseEventHandler(object? sender, EventArgs e);
+
+    public event OnCloseEventHandler? OnClose;
+
+    public static IImage? CancelImage { get; set; } = null;
+    public static IImage? ConfirmImage { get; set; } = null;
+    
+    public static readonly StyledProperty<object?> MainContentProperty = AvaloniaProperty.Register<AvaloniaFlyoutBase, object?>(nameof(MainContent));
+    public static readonly StyledProperty<object?> FooterContentProperty = AvaloniaProperty.Register<AvaloniaFlyoutBase, object?>(nameof(FooterContent));
+    
+    [Browsable(false)]
+    public object? Result { get; protected set; }
+
+    [DefaultValue(true)]
+    public bool RegisterDialogAccept { get; set; } = true;
+
+    [DefaultValue(true)]
+    public bool RegisterDialogCancel { get; set; } = true;
+    
+    protected AvaloniaFlyoutBase()
+    {
+        InitializeComponent();
+
+        CancelButtonImage = CancelImage;
+        ConfirmButtonImage = ConfirmImage;
+        
+        bgWorker_LoadData.DoWork += BgWorker_LoadData_DoWork;
+        bgWorker_LoadData.RunWorkerCompleted += BgWorker_LoadData_RunWorkerCompleted;
+    }
+    
+    public object? MainContent
+    {
+        get => GetValue(MainContentProperty);
+        set => SetValue(MainContentProperty, value);
+    }
+    
+    public object? FooterContent
+    {
+        get => GetValue(FooterContentProperty);
+        set => SetValue(FooterContentProperty, value);
+    }
+
+    [DefaultValue(true)]
+    public virtual bool ActionPanelVisible
+    {
+        get => StackPanelFooter.IsVisible;
+        set => StackPanelFooter.IsVisible = value;
+    }
+
+    [DefaultValue(true)]
+    public virtual bool CancelButtonVisible
+    {
+        get => ButtonCancel.IsVisible;
+        set => ButtonCancel.IsVisible = value;
+    }
+
+    [DefaultValue(true)]
+    public virtual bool ConfirmButtonVisible
+    {
+        get => ButtonOkay.IsVisible;
+        set => ButtonOkay.IsVisible = value;
+    }
+
+    [DefaultValue(true)]
+    public virtual bool CancelButtonEnable
+    {
+        get => ButtonCancel.IsEnabled;
+        set => ButtonCancel.IsEnabled = value;
+    }
+
+    [DefaultValue(true)]
+    public virtual bool ConfirmButtonEnable
+    {
+        get => ButtonOkay.IsEnabled;
+        set => ButtonOkay.IsEnabled = value;
+    }
+
+    [DefaultValue(null)]
+    public virtual IImage? CancelButtonImage
+    {
+        get => ButtonCancel.ImageSource;
+        set => ButtonCancel.ImageSource = value;
+    }
+
+    [DefaultValue(null)]
+    public virtual IImage? ConfirmButtonImage
+    {
+        get => ButtonOkay.ImageSource;
+        set => ButtonOkay.ImageSource = value;
+    }
+
+    [Localizable(true)]
+    [DefaultValue("Okay")]
+    public virtual string? ConfirmButtonText
+    {
+        get => ButtonOkay.Text;
+        set => ButtonOkay.Text = value;
+    }
+
+    [Localizable(true)]
+    [DefaultValue("Cancel")]
+    public virtual string? CancelButtonText
+    {
+        get => ButtonCancel.Text;
+        set => ButtonCancel.Text = value;
+    }
+
+    [Localizable(true)]
+    [DefaultValue("")]
+    public virtual string? Title
+    {
+        get => LabelTitle.Text;
+        set
+        {
+            LabelTitle.Text = value;
+            SetShowTitlePanel();
+        }
+    }
+
+    [DefaultValue(null)]
+    public virtual IImage? TitleIcon
+    {
+        get => ImageTitle.Source;
+        set
+        {
+            ImageTitle.Source = value;
+            SetShowTitlePanel();
+        }
+    }
+
+    protected virtual void BgWorker_LoadData_DoWork(object? sender, DoWorkEventArgs e)
+    {
+        OnLoadData(e);
+    }
+
+    protected virtual void BgWorker_LoadData_RunWorkerCompleted(object? sender, RunWorkerCompletedEventArgs e)
+    {
+        OnLoadDataCompleted(e);
+    }
+
+    protected virtual void LoadData()
+    {
+        bgWorker_LoadData.RunWorkerAsync();
+    }
+
+    protected virtual void LoadData(object? argument)
+    {
+        bgWorker_LoadData.RunWorkerAsync(argument);
+    }
+
+    protected virtual void OnLoadData(DoWorkEventArgs e)
+    {
+    }
+
+    protected virtual void OnLoadDataCompleted(RunWorkerCompletedEventArgs e)
+    {
+    }
+
+    protected void Close(object? result)
+    {
+        Result = result;
+        OnClose?.Invoke(this, EventArgs.Empty);
+    }
+
+    protected virtual bool ValidateOK()
+    {
+        return true;
+    }
+
+    protected virtual void SetShowTitlePanel()
+    {
+        StackPanelHeader.IsVisible = !string.IsNullOrWhiteSpace(Title) || TitleIcon != null;
+    }
+
+    protected virtual void ButtonOkay_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if (ValidateOK())
+            Close(true);
+    }
+
+    protected virtual void ButtonCancel_OnClick(object? sender, RoutedEventArgs e)
+    {
+        Close(null);
+    }
+}