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feat: implement default button for dialog control.

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This commit is contained in:
rabbitism
2024-01-24 12:40:45 +08:00
parent a174f0cd85
commit a17f1076d0
10 changed files with 181 additions and 28 deletions
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144
src/Ursa/Controls/Dialog/DialogControl.cs
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@@ -4,22 +4,36 @@ using Avalonia.Controls.Metadata;
using Avalonia.Controls.Primitives;
using Avalonia.Input;
using Avalonia.Interactivity;
using Ursa.Common;
namespace Ursa.Controls;
[TemplatePart(PART_CloseButton, typeof(Button))]
[TemplatePart(PART_OKButton, typeof(Button))]
[TemplatePart(PART_CancelButton, typeof(Button))]
[TemplatePart(PART_YesButton, typeof(Button))]
[TemplatePart(PART_NoButton, typeof(Button))]
[TemplatePart(PART_TitleArea, typeof(Panel))]
[PseudoClasses(PC_ExtendClientArea)]
public class DialogControl: ContentControl
{
public const string PART_CloseButton = "PART_CloseButton";
public const string PART_OKButton = "PART_OKButton";
public const string PART_CancelButton = "PART_CancelButton";
public const string PART_YesButton = "PART_YesButton";
public const string PART_NoButton = "PART_NoButton";
public const string PART_TitleArea = "PART_TitleArea";
public const string PC_ExtendClientArea = ":extend";
public const string PC_Modal = ":modal";
private Button? _closeButton;
private Button? _okButton;
private Button? _cancelButton;
private Button? _yesButton;
private Button? _noButton;
private Panel? _titleArea;
public event EventHandler<object?>? OnClose;
public event EventHandler<object?>? OnDialogControlClose;
public event EventHandler<DialogLayerChangeEventArgs>? OnLayerChange;
public static readonly StyledProperty<string?> TitleProperty = AvaloniaProperty.Register<DialogControl, string?>(
@@ -40,6 +54,8 @@ public class DialogControl: ContentControl
set => SetValue(ExtendToClientAreaProperty, value);
}
internal DialogButton Buttons { get; set; }
static DialogControl()
{
DataContextProperty.Changed.AddClassHandler<DialogControl, object?>((o, e) => o.OnDataContextChange(e));
@@ -50,12 +66,12 @@ public class DialogControl: ContentControl
{
if (args.OldValue.Value is IDialogContext oldContext)
{
oldContext.Closed-= Close;
oldContext.Closed-= CloseFromContext;
}
if (args.NewValue.Value is IDialogContext newContext)
{
newContext.Closed += Close;
newContext.Closed += CloseFromContext;
}
}
@@ -63,24 +79,83 @@ public class DialogControl: ContentControl
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
if (_closeButton != null)
{
_closeButton.Click -= Close;
}
UnRegisterClickEvent(Close, _closeButton);
UnRegisterClickEvent(DefaultButtonsClose, _okButton, _cancelButton, _yesButton, _noButton);
_titleArea?.RemoveHandler(PointerMovedEvent, OnTitlePointerMove);
_titleArea?.RemoveHandler(PointerPressedEvent, OnTitlePointerPressed);
_closeButton = e.NameScope.Find<Button>(PART_CloseButton);
_titleArea = e.NameScope.Find<Panel>(PART_TitleArea);
if (_closeButton is not null)
{
_closeButton.Click += Close;
}
_okButton = e.NameScope.Find<Button>(PART_OKButton);
_cancelButton = e.NameScope.Find<Button>(PART_CancelButton);
_yesButton = e.NameScope.Find<Button>(PART_YesButton);
_noButton = e.NameScope.Find<Button>(PART_NoButton);
_titleArea?.AddHandler(PointerMovedEvent, OnTitlePointerMove, RoutingStrategies.Bubble);
_titleArea?.AddHandler(PointerPressedEvent, OnTitlePointerPressed, RoutingStrategies.Bubble);
RegisterClickEvent(Close, _closeButton);
RegisterClickEvent(DefaultButtonsClose, _yesButton, _noButton, _okButton, _cancelButton);
SetButtonVisibility();
}
private void UnRegisterClickEvent(EventHandler<RoutedEventArgs> action, params Button?[] buttons)
{
foreach (var button in buttons)
{
if(button is not null) button.Click -= action;
}
}
private void RegisterClickEvent(EventHandler<RoutedEventArgs> action, params Button?[] buttons)
{
foreach (var button in buttons)
{
if(button is not null) button.Click += action;
}
}
private void SetButtonVisibility()
{
switch (Buttons)
{
case DialogButton.None:
SetVisibility(_okButton, false);
SetVisibility(_cancelButton, false);
SetVisibility(_yesButton, false);
SetVisibility(_noButton, false);
break;
case DialogButton.OK:
SetVisibility(_okButton, true);
SetVisibility(_cancelButton, false);
SetVisibility(_yesButton, false);
SetVisibility(_noButton, false);
break;
case DialogButton.OKCancel:
SetVisibility(_okButton, true);
SetVisibility(_cancelButton, true);
SetVisibility(_yesButton, false);
SetVisibility(_noButton, false);
break;
case DialogButton.YesNo:
SetVisibility(_okButton, false);
SetVisibility(_cancelButton, false);
SetVisibility(_yesButton, true);
SetVisibility(_noButton, true);
break;
case DialogButton.YesNoCancel:
SetVisibility(_okButton, false);
SetVisibility(_cancelButton, true);
SetVisibility(_yesButton, true);
SetVisibility(_noButton, true);
break;
}
}
private void SetVisibility(Button? button, bool visible)
{
if (button is not null) button.IsVisible = visible;
}
private void OnTitlePointerPressed(object sender, PointerPressedEventArgs e)
{
e.Source = this;
@@ -101,29 +176,60 @@ public class DialogControl: ContentControl
if (args is T result)
{
tcs.SetResult(result);
OnClose-= OnCloseHandler;
OnDialogControlClose-= OnCloseHandler;
}
else
{
tcs.SetResult(default(T));
OnClose-= OnCloseHandler;
OnDialogControlClose-= OnCloseHandler;
}
}
this.OnClose += OnCloseHandler;
this.OnDialogControlClose += OnCloseHandler;
return tcs.Task;
}
private void Close(object sender, object args)
private void Close(object sender, RoutedEventArgs args)
{
if (this.DataContext is IDialogContext context)
{
OnClose?.Invoke(this, Equals(sender, _closeButton) ? context.DefaultCloseResult : args);
OnDialogControlClose?.Invoke(this, context.DefaultCloseResult);
}
else
{
OnClose?.Invoke(this, null);
OnDialogControlClose?.Invoke(this, null);
}
}
private void CloseFromContext(object sender, object? args)
{
if (this.DataContext is IDialogContext context)
{
OnDialogControlClose?.Invoke(this, args);
}
}
private void DefaultButtonsClose(object sender, RoutedEventArgs args)
{
if (sender is Button button)
{
if (button == _okButton)
{
OnDialogControlClose?.Invoke(this, DialogResult.OK);
}
else if (button == _cancelButton)
{
OnDialogControlClose?.Invoke(this, DialogResult.Cancel);
}
else if (button == _yesButton)
{
OnDialogControlClose?.Invoke(this, DialogResult.Yes);
}
else if (button == _noButton)
{
OnDialogControlClose?.Invoke(this, DialogResult.No);
}
}
}