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Code Issues Packages Projects Releases Wiki Activity

Add omission of pages when there are too many

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This commit is contained in:
Dean Herbert
2022-01-04 19:05:14 +09:00
parent 86f72b71b1
commit 5ed69338a6
3 changed files with 76 additions and 27 deletions
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48
osu.Game/Graphics/UserInterface/PageSelector/PageSelector.cs
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@ -1,7 +1,7 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Linq;
using System;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics;
using osu.Framework.Bindables;
@ -50,43 +50,47 @@ namespace osu.Game.Graphics.UserInterface.PageSelector
{
base.LoadComplete();
CurrentPage.BindValueChanged(onCurrentPageChanged);
CurrentPage.BindValueChanged(_ => redraw());
AvailablePages.BindValueChanged(_ => redraw(), true);
}
private void onCurrentPageChanged(ValueChangedEvent<int> currentPage)
private void redraw()
{
if (currentPage.NewValue >= AvailablePages.Value)
if (CurrentPage.Value >= AvailablePages.Value)
{
CurrentPage.Value = AvailablePages.Value - 1;
return;
}
foreach (var page in itemsFlow.OfType<PageSelectorPageButton>())
page.Selected = page.PageNumber == currentPage.NewValue + 1;
previousPageButton.Enabled.Value = CurrentPage.Value != 0;
nextPageButton.Enabled.Value = CurrentPage.Value < AvailablePages.Value - 1;
previousPageButton.Enabled.Value = currentPage.NewValue != 0;
nextPageButton.Enabled.Value = currentPage.NewValue < AvailablePages.Value - 1;
}
private void redraw()
{
itemsFlow.Clear();
for (int i = 0; i < AvailablePages.Value; i++)
int totalPages = AvailablePages.Value;
bool lastWasEllipsis = false;
for (int i = 0; i < totalPages; i++)
{
int pageIndex = i;
itemsFlow.Add(new PageSelectorPageButton(pageIndex + 1)
{
Action = () => CurrentPage.Value = pageIndex,
});
}
bool shouldShowPage = pageIndex == 0 || pageIndex == totalPages - 1 || Math.Abs(pageIndex - CurrentPage.Value) <= 2;
if (CurrentPage.Value != 0)
CurrentPage.Value = 0;
else
CurrentPage.TriggerChange();
if (shouldShowPage)
{
lastWasEllipsis = false;
itemsFlow.Add(new PageSelectorPageButton(pageIndex + 1)
{
Action = () => CurrentPage.Value = pageIndex,
Selected = CurrentPage.Value == pageIndex,
});
}
else if (!lastWasEllipsis)
{
lastWasEllipsis = true;
itemsFlow.Add(new PageEllipsis());
}
}
}
}
}