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Make MaxPages value a bindable

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This commit is contained in:
Andrei Zavatski
2019-09-10 01:36:25 +03:00
parent f5d54f8830
commit bee7760d29
2 changed files with 57 additions and 30 deletions
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47
osu.Game.Tests/Visual/UserInterface/TestScenePageSelector.cs
View File

@ -15,35 +15,40 @@ namespace osu.Game.Tests.Visual.UserInterface
typeof(PageSelector) typeof(PageSelector)
}; };
private readonly PageSelector pageSelector;
public TestScenePageSelector() public TestScenePageSelector()
{ {
Child = new PageSelector(200) Child = pageSelector = new PageSelector
{ {
Anchor = Anchor.Centre, Anchor = Anchor.Centre,
Origin = Anchor.Centre, Origin = Anchor.Centre,
}; };
AddStep("1 max pages", () => redraw(1)); AddStep("10 max pages", () => setMaxPages(10));
AddStep("10 max pages", () => redraw(10)); AddStep("200 max pages, current 199", () =>
AddStep("200 max pages, current 199", () => redraw(200, 199));
AddStep("200 max pages, current 201", () => redraw(200, 201));
AddStep("200 max pages, current -10", () => redraw(200, -10));
}
private void redraw(int maxPages, int currentPage = 0)
{
Clear();
var selector = new PageSelector(maxPages)
{ {
Anchor = Anchor.Centre, setMaxPages(200);
Origin = Anchor.Centre, setCurrentPage(199);
}; });
AddStep("200 max pages, current 201", () =>
if (currentPage != 0) {
selector.CurrentPage.Value = currentPage; setMaxPages(200);
setCurrentPage(201);
Add(selector); });
AddStep("200 max pages, current -10", () =>
{
setMaxPages(200);
setCurrentPage(-10);
});
AddStep("-10 max pages", () =>
{
setMaxPages(-10);
});
} }
private void setMaxPages(int maxPages) => pageSelector.MaxPages.Value = maxPages;
private void setCurrentPage(int currentPage) => pageSelector.CurrentPage.Value = currentPage;
} }
} }

40
osu.Game/Graphics/UserInterface/PageSelector.cs
View File

@ -20,17 +20,15 @@ namespace osu.Game.Graphics.UserInterface
public class PageSelector : CompositeDrawable public class PageSelector : CompositeDrawable
{ {
public readonly BindableInt CurrentPage = new BindableInt(1); public readonly BindableInt CurrentPage = new BindableInt(1);
public readonly BindableInt MaxPages = new BindableInt(1);
private readonly int maxPages;
private readonly FillFlowContainer itemsFlow; private readonly FillFlowContainer itemsFlow;
private readonly Button previousPageButton; private readonly Button previousPageButton;
private readonly Button nextPageButton; private readonly Button nextPageButton;
public PageSelector(int maxPages) public PageSelector()
{ {
this.maxPages = maxPages;
AutoSizeAxes = Axes.Both; AutoSizeAxes = Axes.Both;
InternalChild = new FillFlowContainer InternalChild = new FillFlowContainer
{ {
@ -59,24 +57,48 @@ namespace osu.Game.Graphics.UserInterface
{ {
base.LoadComplete(); base.LoadComplete();
CurrentPage.BindValueChanged(_ => redraw(), true); MaxPages.BindValueChanged(pagesAmount => onMaxPagesChanged(pagesAmount.NewValue), true);
CurrentPage.BindValueChanged(page => onCurrentPageChanged(page.NewValue), true);
} }
private void redraw() private void onMaxPagesChanged(int pagesAmount)
{ {
if (CurrentPage.Value > maxPages) if (pagesAmount < 1)
{ {
CurrentPage.Value = maxPages; MaxPages.Value = 1;
return; return;
} }
if (CurrentPage.Value < 1) if (CurrentPage.Value > pagesAmount)
{
CurrentPage.Value = pagesAmount;
return;
}
redraw();
}
private void onCurrentPageChanged(int newPage)
{
if (newPage > MaxPages.Value)
{
CurrentPage.Value = MaxPages.Value;
return;
}
if (newPage < 1)
{ {
CurrentPage.Value = 1; CurrentPage.Value = 1;
return; return;
} }
redraw();
}
private void redraw()
{
int newPage = CurrentPage.Value; int newPage = CurrentPage.Value;
int maxPages = MaxPages.Value;
previousPageButton.Enabled.Value = newPage != 1; previousPageButton.Enabled.Value = newPage != 1;
nextPageButton.Enabled.Value = newPage != maxPages; nextPageButton.Enabled.Value = newPage != maxPages;