chuan/Ursa.Avalonia
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

feat: ensure TinyPagination invokes command.

Browse Source
This commit is contained in:
rabbitism
2024-08-10 13:45:38 +08:00
parent 378c5b0200
commit d5fc912a5d
2 changed files with 162 additions and 178 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/Ursa.Themes.Semi/Controls/Pagination.axaml
View File

@@ -52,6 +52,7 @@
</ControlTheme>
<ControlTheme x:Key="TinyPagination" TargetType="{x:Type u:Pagination}">
<Setter Property="DisplayCurrentPageInQuickJumper" Value="True"></Setter>
<Setter Property="Template">
<ControlTemplate TargetType="u:Pagination">
<StackPanel Orientation="Horizontal">
@@ -64,7 +65,7 @@
</u:PaginationButton>
<Grid ColumnDefinitions="*, Auto, *">
<u:NumericIntUpDown
Name="PART_PageInput"
Name="{x:Static u:Pagination.PART_QuickJumpInput}"
Grid.Column="0"
MinWidth="{Binding $self.Bounds.Height}"
VerticalAlignment="Center"
@@ -102,7 +103,7 @@
<Style Selector="^.ReadOnly /template/ TextBlock#PART_PageTextBlock">
<Setter Property="IsVisible" Value="True" />
</Style>
<Style Selector="^.ReadOnly /template/ u|NumericUpDown#PART_PageInput">
<Style Selector="^.ReadOnly /template/ u|NumericUpDown#PART_QuickJumpInput">
<Setter Property="IsVisible" Value="False" />
</Style>
</ControlTheme>

335
src/Ursa/Controls/Pagination/Pagination.cs
View File

@@ -1,3 +1,4 @@
using System.Windows.Input;
using Avalonia;
using Avalonia.Collections;
using Avalonia.Controls;
@@ -7,165 +8,75 @@ using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Styling;
using Irihi.Avalonia.Shared.Helpers;
using System.Windows.Input;
namespace Ursa.Controls;
/// <summary>
/// Pagination is a control that displays a series of buttons that can be used to navigate to pages.
/// CurrentPage starts from 1.
/// Pagination only stores an approximate index internally.
/// Pagination is a control that displays a series of buttons that can be used to navigate to pages.
/// CurrentPage starts from 1.
/// Pagination only stores an approximate index internally.
/// </summary>
[TemplatePart(PART_PreviousButton, typeof(PaginationButton))]
[TemplatePart(PART_NextButton, typeof(PaginationButton))]
[TemplatePart(PART_ButtonPanel, typeof(StackPanel))]
[TemplatePart(PART_QuickJumpInput, typeof(NumericIntUpDown))]
public class Pagination: TemplatedControl
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_QuickJumpInput = "PART_QuickJumpInput";
private PaginationButton? _previousButton;
private PaginationButton? _nextButton;
private StackPanel? _buttonPanel;
private readonly PaginationButton[] _buttons = new PaginationButton[7];
private NumericIntUpDown? _quickJumpInput;
public static readonly StyledProperty<int?> CurrentPageProperty = AvaloniaProperty.Register<Pagination, int?>(
nameof(CurrentPage) , coerce: CoerceCurrentPage);
public int? CurrentPage
{
get => GetValue(CurrentPageProperty);
set => SetValue(CurrentPageProperty, value);
}
private static int? CoerceCurrentPage(AvaloniaObject arg1, int? arg2)
{
if (arg2 is null) return null;
if (arg1 is Pagination p)
{
arg2 = MathHelpers.SafeClamp(arg2.Value, 1, p.PageCount);
}
return arg2;
}
private void OnCurrentPageChanged(AvaloniaPropertyChangedEventArgs<int?> args)
{
int? oldValue = args.GetOldValue<int?>();
int? newValue = args.GetNewValue<int?>();
var e = new ValueChangedEventArgs<int>(CurrentPageChangedEvent, oldValue, newValue);
RaiseEvent(e);
}
nameof(CurrentPage), coerce: CoerceCurrentPage);
public static readonly RoutedEvent<ValueChangedEventArgs<int>> CurrentPageChangedEvent =
RoutedEvent.Register<Pagination, ValueChangedEventArgs<int>>(nameof(CurrentPageChanged), RoutingStrategies.Bubble);
/// <summary>
/// Raised when the <see cref="CurrentPage"/> changes.
/// </summary>
public event EventHandler<ValueChangedEventArgs<int>>? CurrentPageChanged
{
add => AddHandler(CurrentPageChangedEvent, value);
remove => RemoveHandler(CurrentPageChangedEvent, value);
}
RoutedEvent.Register<Pagination, ValueChangedEventArgs<int>>(nameof(CurrentPageChanged),
RoutingStrategies.Bubble);
public static readonly StyledProperty<ICommand?> CommandProperty = AvaloniaProperty.Register<Pagination, ICommand?>(
nameof(Command));
public ICommand? Command
{
get => GetValue(CommandProperty);
set => SetValue(CommandProperty, value);
}
public static readonly StyledProperty<object?> CommandParameterProperty = AvaloniaProperty.Register<Pagination, object?>(nameof(CommandParameter));
public object? CommandParameter
{
get => this.GetValue(CommandParameterProperty);
set => this.SetValue(CommandParameterProperty, value);
}
public static readonly StyledProperty<object?> CommandParameterProperty =
AvaloniaProperty.Register<Pagination, object?>(nameof(CommandParameter));
public static readonly StyledProperty<int> TotalCountProperty = AvaloniaProperty.Register<Pagination, int>(
nameof(TotalCount));
/// <summary>
/// Total count of items.
/// </summary>
public int TotalCount
{
get => GetValue(TotalCountProperty);
set => SetValue(TotalCountProperty, value);
}
public static readonly StyledProperty<int> PageSizeProperty = AvaloniaProperty.Register<Pagination, int>(
nameof(PageSize), defaultValue: 10);
/// <summary>
/// Page size.
/// </summary>
public int PageSize
{
get => GetValue(PageSizeProperty);
set => SetValue(PageSizeProperty, value);
}
private int _pageCount;
nameof(PageSize), 10);
public static readonly DirectProperty<Pagination, int> PageCountProperty =
AvaloniaProperty.RegisterDirect<Pagination, int>(
nameof(PageCount), o => o.PageCount, (o, e) => o.PageCount = e);
/// <summary>
/// Page count.
/// </summary>
public int PageCount
{
get => _pageCount;
private set => SetAndRaise(PageCountProperty, ref _pageCount, value);
}
public static readonly StyledProperty<AvaloniaList<int>> PageSizeOptionsProperty =
AvaloniaProperty.Register<Pagination, AvaloniaList<int>>(
nameof(PageSizeOptions));
public static readonly StyledProperty<AvaloniaList<int>> PageSizeOptionsProperty = AvaloniaProperty.Register<Pagination, AvaloniaList<int>>(
nameof(PageSizeOptions));
public static readonly StyledProperty<ControlTheme> PageButtonThemeProperty =
AvaloniaProperty.Register<Pagination, ControlTheme>(
nameof(PageButtonTheme));
public AvaloniaList<int> PageSizeOptions
{
get => GetValue(PageSizeOptionsProperty);
set => SetValue(PageSizeOptionsProperty, value);
}
public static readonly StyledProperty<ControlTheme> PageButtonThemeProperty = AvaloniaProperty.Register<Pagination, ControlTheme>(
nameof(PageButtonTheme));
public ControlTheme PageButtonTheme
{
get => GetValue(PageButtonThemeProperty);
set => SetValue(PageButtonThemeProperty, value);
}
public static readonly StyledProperty<bool> ShowPageSizeSelectorProperty = AvaloniaProperty.Register<Pagination, bool>(
nameof(ShowPageSizeSelector));
public bool ShowPageSizeSelector
{
get => GetValue(ShowPageSizeSelectorProperty);
set => SetValue(ShowPageSizeSelectorProperty, value);
}
public static readonly StyledProperty<bool> ShowPageSizeSelectorProperty =
AvaloniaProperty.Register<Pagination, bool>(
nameof(ShowPageSizeSelector));
public static readonly StyledProperty<bool> ShowQuickJumpProperty = AvaloniaProperty.Register<Pagination, bool>(
nameof(ShowQuickJump));
public bool ShowQuickJump
{
get => GetValue(ShowQuickJumpProperty);
set => SetValue(ShowQuickJumpProperty, value);
}
private readonly PaginationButton[] _buttons = new PaginationButton[7];
private StackPanel? _buttonPanel;
private PaginationButton? _nextButton;
private int _pageCount;
private PaginationButton? _previousButton;
private NumericIntUpDown? _quickJumpInput;
static Pagination()
{
PageSizeProperty.Changed.AddClassHandler<Pagination, int>((pagination, args) => pagination.OnPageSizeChanged(args));
PageSizeProperty.Changed.AddClassHandler<Pagination, int>((pagination, args) =>
pagination.OnPageSizeChanged(args));
CurrentPageProperty.Changed.AddClassHandler<Pagination, int?>((pagination, args) =>
pagination.UpdateButtonsByCurrentPage(args.NewValue.Value));
CurrentPageProperty.Changed.AddClassHandler<Pagination, int?>((pagination, args) =>
@@ -174,19 +85,119 @@ public class Pagination: TemplatedControl
pagination.UpdateButtonsByCurrentPage(pagination.CurrentPage));
}
public int? CurrentPage
{
get => GetValue(CurrentPageProperty);
set => SetValue(CurrentPageProperty, value);
}
public ICommand? Command
{
get => GetValue(CommandProperty);
set => SetValue(CommandProperty, value);
}
public object? CommandParameter
{
get => GetValue(CommandParameterProperty);
set => SetValue(CommandParameterProperty, value);
}
/// <summary>
/// Total count of items.
/// </summary>
public int TotalCount
{
get => GetValue(TotalCountProperty);
set => SetValue(TotalCountProperty, value);
}
/// <summary>
/// Page size.
/// </summary>
public int PageSize
{
get => GetValue(PageSizeProperty);
set => SetValue(PageSizeProperty, value);
}
/// <summary>
/// Page count.
/// </summary>
public int PageCount
{
get => _pageCount;
private set => SetAndRaise(PageCountProperty, ref _pageCount, value);
}
public AvaloniaList<int> PageSizeOptions
{
get => GetValue(PageSizeOptionsProperty);
set => SetValue(PageSizeOptionsProperty, value);
}
public ControlTheme PageButtonTheme
{
get => GetValue(PageButtonThemeProperty);
set => SetValue(PageButtonThemeProperty, value);
}
public bool ShowPageSizeSelector
{
get => GetValue(ShowPageSizeSelectorProperty);
set => SetValue(ShowPageSizeSelectorProperty, value);
}
public bool ShowQuickJump
{
get => GetValue(ShowQuickJumpProperty);
set => SetValue(ShowQuickJumpProperty, value);
}
public static readonly StyledProperty<bool> DisplayCurrentPageInQuickJumperProperty = AvaloniaProperty.Register<Pagination, bool>(
nameof(DisplayCurrentPageInQuickJumper));
public bool DisplayCurrentPageInQuickJumper
{
get => GetValue(DisplayCurrentPageInQuickJumperProperty);
set => SetValue(DisplayCurrentPageInQuickJumperProperty, value);
}
private static int? CoerceCurrentPage(AvaloniaObject arg1, int? arg2)
{
if (arg2 is null) return null;
if (arg1 is Pagination p) arg2 = MathHelpers.SafeClamp(arg2.Value, 1, p.PageCount);
return arg2;
}
private void OnCurrentPageChanged(AvaloniaPropertyChangedEventArgs<int?> args)
{
var oldValue = args.GetOldValue<int?>();
var newValue = args.GetNewValue<int?>();
var e = new ValueChangedEventArgs<int>(CurrentPageChangedEvent, oldValue, newValue);
if (DisplayCurrentPageInQuickJumper)
{
_quickJumpInput?.SetCurrentValue(NumericIntUpDown.ValueProperty, newValue);
}
RaiseEvent(e);
}
/// <summary>
/// Raised when the <see cref="CurrentPage" /> changes.
/// </summary>
public event EventHandler<ValueChangedEventArgs<int>>? CurrentPageChanged
{
add => AddHandler(CurrentPageChangedEvent, value);
remove => RemoveHandler(CurrentPageChangedEvent, value);
}
private void OnPageSizeChanged(AvaloniaPropertyChangedEventArgs<int> args)
{
int pageCount = TotalCount / args.NewValue.Value;
int residue = TotalCount % args.NewValue.Value;
if (residue > 0)
{
pageCount++;
}
var pageCount = TotalCount / args.NewValue.Value;
var residue = TotalCount % args.NewValue.Value;
if (residue > 0) pageCount++;
PageCount = pageCount;
if (CurrentPage > PageCount)
{
CurrentPage = null;
}
if (CurrentPage > PageCount) CurrentPage = null;
UpdateButtonsByCurrentPage(CurrentPage);
}
@@ -212,10 +223,7 @@ public class Pagination: TemplatedControl
private void OnQuickJumpInputKeyDown(object? sender, KeyEventArgs e)
{
if (e.Key is Key.Enter or Key.Return)
{
SyncQuickJumperValue();
}
if (e.Key is Key.Enter or Key.Return) SyncQuickJumperValue();
}
private void OnQuickJumpInputLostFocus(object? sender, RoutedEventArgs e)
@@ -230,7 +238,10 @@ public class Pagination: TemplatedControl
if (value is null) return;
value = Clamp(value.Value, 1, PageCount);
SetCurrentValue(CurrentPageProperty, value);
_quickJumpInput?.SetCurrentValue(NumericIntUpDown.ValueProperty, null);
if (!DisplayCurrentPageInQuickJumper)
{
_quickJumpInput?.SetCurrentValue(NumericIntUpDown.ValueProperty, null);
}
InvokeCommand();
}
@@ -245,9 +256,9 @@ public class Pagination: TemplatedControl
{
if (_buttonPanel is null) return;
_buttonPanel.Children.Clear();
for (int i = 1; i <= 7; i++)
for (var i = 1; i <= 7; i++)
{
var button = new PaginationButton() { Page = i, IsVisible = true };
var button = new PaginationButton { Page = i, IsVisible = true };
_buttonPanel.Children.Add(button);
_buttons[i - 1] = button;
Button.ClickEvent.AddHandler(OnPageButtonClick, button);
@@ -259,24 +270,19 @@ public class Pagination: TemplatedControl
if (sender is PaginationButton pageButton)
{
if (pageButton.IsFastForward)
{
AddCurrentPage(-5);
}
else if (pageButton.IsFastBackward)
{
AddCurrentPage(5);
}
else
{
CurrentPage = pageButton.Page;
}
}
InvokeCommand();
}
private void AddCurrentPage(int pageChange)
{
int newValue = (CurrentPage ?? 0) + pageChange;
var newValue = (CurrentPage ?? 0) + pageChange;
newValue = Clamp(newValue, 1, PageCount);
SetCurrentValue(CurrentPageProperty, newValue);
}
@@ -287,29 +293,26 @@ public class Pagination: TemplatedControl
}
/// <summary>
/// Update Button Content and Visibility by current page.
/// Update Button Content and Visibility by current page.
/// </summary>
/// <param name="page"></param>
private void UpdateButtonsByCurrentPage(int? page)
{
if (PageSize == 0) return;
int pageCount = TotalCount / PageSize;
var pageCount = TotalCount / PageSize;
if (_buttonPanel is null)
{
SetCurrentValue(PageCountProperty, pageCount);
return;
}
int? currentPage = CurrentPage;
int residue = TotalCount % PageSize;
if (residue > 0)
{
pageCount++;
}
var currentPage = CurrentPage;
var residue = TotalCount % PageSize;
if (residue > 0) pageCount++;
if (pageCount <= 7)
{
for (int i = 0; i < 7; i++)
{
for (var i = 0; i < 7; i++)
if (i < pageCount)
{
_buttons[i].IsVisible = true;
@@ -319,15 +322,11 @@ public class Pagination: TemplatedControl
{
_buttons[i].IsVisible = false;
}
}
}
else
{
for (int i = 0; i < 7; i++)
{
_buttons[i].IsVisible = true;
}
int mid = currentPage ?? 0;
for (var i = 0; i < 7; i++) _buttons[i].IsVisible = true;
var mid = currentPage ?? 0;
mid = Clamp(mid, 4, pageCount - 3);
_buttons[3].Page = mid;
_buttons[2].Page = mid - 1;
@@ -335,33 +334,19 @@ public class Pagination: TemplatedControl
_buttons[0].Page = 1;
_buttons[6].Page = pageCount;
if (mid > 4)
{
_buttons[1].SetStatus(-1, false, true, false);
}
else
{
_buttons[1].SetStatus(mid - 2, false, false, false);
}
if (mid < pageCount - 3)
{
_buttons[5].SetStatus(-1, false, false, true);
}
else
{
_buttons[5].SetStatus(mid + 2, false, false, false);
}
foreach (var button in _buttons)
{
if (button.Page == currentPage)
{
button.SetSelected(true);
}
else
{
button.SetSelected(false);
}
}
}
SetCurrentValue(PageCountProperty, pageCount);
@@ -369,11 +354,9 @@ public class Pagination: TemplatedControl
if (_previousButton != null) _previousButton.IsEnabled = (CurrentPage ?? int.MaxValue) > 1;
if (_nextButton != null) _nextButton.IsEnabled = (CurrentPage ?? 0) < PageCount;
}
private void InvokeCommand()
{
if (this.Command != null && this.Command.CanExecute(this.CommandParameter))
{
this.Command.Execute(this.CommandParameter);
}
if (Command != null && Command.CanExecute(CommandParameter)) Command.Execute(CommandParameter);
}
}