82 lines
2.5 KiB
C#
82 lines
2.5 KiB
C#
using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.Primitives;
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using Avalonia.Styling;
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using LibationFileManager;
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using System;
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using System.Threading.Tasks;
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namespace LibationAvalonia.Dialogs
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{
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public abstract class DialogWindow : Window
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{
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protected bool CancelOnEscape { get; set; } = true;
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protected bool SaveOnEnter { get; set; } = true;
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public bool SaveAndRestorePosition { get; set; }
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public Control ControlToFocusOnShow { get; set; }
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protected override Type StyleKeyOverride => typeof(DialogWindow);
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public DialogWindow(bool saveAndRestorePosition = true)
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{
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SaveAndRestorePosition = saveAndRestorePosition;
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KeyDown += DialogWindow_KeyDown;
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Initialized += DialogWindow_Initialized;
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Opened += DialogWindow_Opened;
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Loaded += DialogWindow_Loaded;
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Closing += DialogWindow_Closing;
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if (Design.IsDesignMode)
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RequestedThemeVariant = ThemeVariant.Dark;
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}
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private void DialogWindow_Loaded(object sender, Avalonia.Interactivity.RoutedEventArgs e)
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{
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if (!CanResize)
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this.HideMinMaxBtns();
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}
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protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
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{
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base.OnApplyTemplate(e);
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if (MinHeight == MaxHeight && MinWidth == MaxWidth)
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{
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CanResize = false;
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Height = MinHeight;
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Width = MinWidth;
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}
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}
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private void DialogWindow_Initialized(object sender, EventArgs e)
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{
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this.WindowStartupLocation = WindowStartupLocation.CenterOwner;
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if (SaveAndRestorePosition)
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this.RestoreSizeAndLocation(Configuration.Instance);
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}
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private void DialogWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e)
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{
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if (SaveAndRestorePosition)
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this.SaveSizeAndLocation(Configuration.Instance);
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}
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private void DialogWindow_Opened(object sender, EventArgs e)
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{
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ControlToFocusOnShow?.Focus();
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}
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protected virtual void SaveAndClose() => Close(DialogResult.OK);
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protected virtual async Task SaveAndCloseAsync() => await Avalonia.Threading.Dispatcher.UIThread.InvokeAsync(SaveAndClose);
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protected virtual void CancelAndClose() => Close(DialogResult.Cancel);
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protected virtual async Task CancelAndCloseAsync() => await Avalonia.Threading.Dispatcher.UIThread.InvokeAsync(CancelAndClose);
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private async void DialogWindow_KeyDown(object sender, Avalonia.Input.KeyEventArgs e)
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{
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if (CancelOnEscape && e.Key == Avalonia.Input.Key.Escape)
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await CancelAndCloseAsync();
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else if (SaveOnEnter && e.Key == Avalonia.Input.Key.Return)
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await SaveAndCloseAsync();
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}
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}
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}
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