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Code Issues Releases Wiki Activity

Implement selection in FilteringSearchList

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This commit is contained in:
TocoToucan 2016-10-28 20:08:18 +03:00
parent 8e03ceb3e5
commit e0f7bf4bb8
2 changed files with 95 additions and 25 deletions
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34
osu.Desktop.VisualTests/Tests/TestCaseFilteringSearchList.cs
View File

@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using osu.Framework.GameModes.Testing;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
@ -7,6 +8,7 @@ using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
using osu.Game.Graphics.UserInterface;
using OpenTK;
using OpenTK.Graphics;
namespace osu.Desktop.Tests
{
@ -22,25 +24,15 @@ namespace osu.Desktop.Tests
public override void Reset()
{
base.Reset();
var items = new List<SpriteText>
{
new SpriteText
{
Text = "A search textbox"
},
new SpriteText
{
Text = "A filtering search list"
},
new SpriteText
{
Text = "A dropdown menu"
},
new SpriteText
{
Text = "Possibly more I've missed"
}
};
var items = new DirectoryInfo(Environment.CurrentDirectory)
.GetFiles()
.Select(
f =>
new SpriteText
{
Text = f.Name
}).ToList();
Children = new Drawable[]
{
new FlowContainer
@ -54,7 +46,7 @@ namespace osu.Desktop.Tests
{
Size = new Vector2(300, 30)
},
filteringSearchList = new FilteringSearchList<SpriteText>(items)
filteringSearchList = new FilteringSearchList<SpriteText>(items, si => si.Colour = Color4.Orange, nsi => nsi.Colour = Color4.White)
{
Size = new Vector2(300, 400)
}

86
osu.Game/Graphics/UserInterface/FilteringSearchList.cs
View File

@ -1,21 +1,34 @@
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input;
namespace osu.Game.Graphics.UserInterface
{
public class FilteringSearchList<T> : Container
where T : Drawable
{
public List<T> Items { get; }
public List<FilteringSearchListItem<T>> Items { get; }
public FilteringSearchListItem<T> SelectedItem { get; private set; }
private Action<T> selectedItemAction, notSelectedItemAction;
private FlowContainer contentFlowContainer;
public FilteringSearchList(List<T> items)
public FilteringSearchList(List<T> items, Action<T> selectedItemAction, Action<T> notSelectedItemAction, T selectedItem = null)
{
Items = items;
this.selectedItemAction = selectedItemAction;
this.notSelectedItemAction = notSelectedItemAction;
Items = new List<FilteringSearchListItem<T>>();
foreach (var item in items)
{
var filteringSearchListItem = new FilteringSearchListItem<T>(item);
filteringSearchListItem.OnSelected += selectionChanged;
Items.Add(filteringSearchListItem);
}
SelectedItem = selectedItem != null ? Items.First(i => i.Item == selectedItem) : null;
}
public override void Load(BaseGame game)
@ -42,12 +55,77 @@ namespace osu.Game.Graphics.UserInterface
{
foreach (var item in Items)
{
if (predicate(item))
if (predicate(item.Item))
item.Show();
else
item.Hide();
}
contentFlowContainer.Invalidate();
}
private void selectionChanged(object sender)
{
SelectedItem = (FilteringSearchListItem<T>)sender;
selectedItemAction(SelectedItem.Item);
foreach (var item in Items)
{
if (item != SelectedItem)
{
item.State = SelectionState.NotSelected;
notSelectedItemAction(item.Item);
}
}
}
public class FilteringSearchListItem<T> : AutoSizeContainer, IStateful<SelectionState>
where T : Drawable
{
public T Item { get; set; }
public SelectionState State
{
get { return state; }
set
{
state = value;
if (value == SelectionState.Selected)
OnSelected?.Invoke(this);
}
}
private SelectionState state;
public FilteringSearchListItem(T item, SelectionState state = SelectionState.NotSelected)
{
Item = item;
State = state;
}
public override void Load(BaseGame game)
{
base.Load(game);
Children = new Drawable[]
{
Item
};
}
protected override bool OnClick(InputState state)
{
State = SelectionState.Selected;
return true;
}
public delegate void OnSelectedHandler(object sender);
public event OnSelectedHandler OnSelected;
}
public enum SelectionState
{
Selected,
NotSelected
}
}
}