osu/osu.Game/Graphics/UserInterface/LoadingButton.cs

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// 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.
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using osu.Framework.Allocation;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Input.Events;
using osu.Game.Graphics.Containers;
using osuTK;
namespace osu.Game.Graphics.UserInterface
{
public abstract partial class LoadingButton : OsuHoverContainer
{
private bool isLoading;
public bool IsLoading
{
get => isLoading;
set
{
isLoading = value;
Enabled.Value = !isLoading;
if (value)
loading.Show();
else
loading.Hide();
}
}
public Vector2 LoadingAnimationSize
{
get => loading.Size;
set => loading.Size = value;
}
private readonly LoadingSpinner loading;
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protected LoadingButton()
: base(HoverSampleSet.Button)
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{
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Add(loading = new LoadingSpinner
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{
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Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Size = new Vector2(12),
Depth = -1,
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});
}
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[BackgroundDependencyLoader]
private void load()
{
Add(CreateContent());
}
protected override void LoadComplete()
{
base.LoadComplete();
loading.State.BindValueChanged(s =>
{
if (s.NewValue == Visibility.Visible)
OnLoadStarted();
else
OnLoadFinished();
}, true);
}
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protected override bool OnClick(ClickEvent e)
{
if (!Enabled.Value)
return false;
try
{
return base.OnClick(e);
}
finally
{
// run afterwards as this will disable this button.
IsLoading = true;
}
}
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protected virtual void OnLoadStarted()
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{
}
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protected virtual void OnLoadFinished()
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{
}
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protected abstract Drawable CreateContent();
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}
}