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feat: add quick jump.

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This commit is contained in:
rabbitism
2024-03-16 16:51:46 +08:00
parent 5039d3d5fe
commit 3cc5621368
6 changed files with 58 additions and 12 deletions
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45
src/Ursa/Controls/Pagination/Pagination.cs
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@@ -3,9 +3,9 @@ using Avalonia.Collections;
using Avalonia.Controls;
using Avalonia.Controls.Metadata;
using Avalonia.Controls.Primitives;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Styling;
using Avalonia.Utilities;
using Irihi.Avalonia.Shared.Helpers;
namespace Ursa.Controls;
@@ -18,18 +18,18 @@ namespace Ursa.Controls;
[TemplatePart(PART_PreviousButton, typeof(PaginationButton))]
[TemplatePart(PART_NextButton, typeof(PaginationButton))]
[TemplatePart(PART_ButtonPanel, typeof(StackPanel))]
[TemplatePart(PART_SizeChangerComboBox, typeof(ComboBox))]
[TemplatePart(PART_QuickJumpInput, typeof(NumericIntUpDown))]
public class Pagination: TemplatedControl
{
public const string PART_PreviousButton = "PART_PreviousButton";
public const string PART_NextButton = "PART_NextButton";
public const string PART_ButtonPanel = "PART_ButtonPanel";
public const string PART_SizeChangerComboBox = "PART_SizeChangerComboBox";
public const string PART_QuickJumpInput = "PART_QuickJumpInput";
private PaginationButton? _previousButton;
private PaginationButton? _nextButton;
private StackPanel? _buttonPanel;
private readonly PaginationButton[] _buttons = new PaginationButton[7];
private ComboBox? _sizeChangerComboBox;
private NumericIntUpDown? _quickJumpInput;
public static readonly StyledProperty<int?> CurrentPageProperty = AvaloniaProperty.Register<Pagination, int?>(
nameof(CurrentPage));
@@ -107,10 +107,7 @@ public class Pagination: TemplatedControl
public static readonly StyledProperty<bool> ShowQuickJumpProperty = AvaloniaProperty.Register<Pagination, bool>(
nameof(ShowQuickJump));
/// <summary>
/// This feature is not implemented yet.
/// </summary>
public bool ShowQuickJump
{
get => GetValue(ShowQuickJumpProperty);
@@ -145,16 +142,46 @@ public class Pagination: TemplatedControl
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
Button.ClickEvent.AddHandler(OnButtonClick, _previousButton, _nextButton);
_previousButton = e.NameScope.Find<PaginationButton>(PART_PreviousButton);
_nextButton = e.NameScope.Find<PaginationButton>(PART_NextButton);
_buttonPanel = e.NameScope.Find<StackPanel>(PART_ButtonPanel);
_sizeChangerComboBox = e.NameScope.Find<ComboBox>(PART_SizeChangerComboBox);
Button.ClickEvent.AddHandler(OnButtonClick, _previousButton, _nextButton);
KeyDownEvent.RemoveHandler(OnQuickJumpInputKeyDown, _quickJumpInput);
LostFocusEvent.RemoveHandler(OnQuickJumpInputLostFocus, _quickJumpInput);
_quickJumpInput = e.NameScope.Find<NumericIntUpDown>(PART_QuickJumpInput);
KeyDownEvent.AddHandler(OnQuickJumpInputKeyDown, _quickJumpInput);
LostFocusEvent.AddHandler(OnQuickJumpInputLostFocus, _quickJumpInput);
InitializePanelButtons();
UpdateButtonsByCurrentPage(0);
}
private void OnQuickJumpInputKeyDown(object sender, KeyEventArgs e)
{
if (e.Key is Key.Enter or Key.Return)
{
SyncQuickJumperValue();
}
}
private void OnQuickJumpInputLostFocus(object sender, RoutedEventArgs e)
{
SyncQuickJumperValue();
}
private void SyncQuickJumperValue()
{
if (_quickJumpInput is null) return;
var value = _quickJumpInput?.Value;
if (value is null) return;
value = Clamp(value.Value, 1, PageCount);
SetCurrentValue(CurrentPageProperty, value);
_quickJumpInput?.SetCurrentValue(NumericIntUpDown.ValueProperty, null);
}
private void OnButtonClick(object? sender, RoutedEventArgs e)
{
var diff = Equals(sender, _previousButton) ? -1 : 1;