93 lines
2.3 KiB
C#
93 lines
2.3 KiB
C#
using Robust.Client.AutoGenerated;
|
|
using Robust.Client.UserInterface;
|
|
using Robust.Client.UserInterface.Controls;
|
|
using Robust.Client.UserInterface.XAML;
|
|
|
|
namespace Content.Client.UserInterface.Controls;
|
|
|
|
/// <summary>
|
|
/// Element of a <see cref="FancyTree"/>
|
|
/// </summary>
|
|
[GenerateTypedNameReferences]
|
|
public sealed partial class TreeItem : PanelContainer
|
|
{
|
|
public const string StyleClassSelected = "selected";
|
|
public const string StyleIdentifierTreeButton = "tree-button";
|
|
public const string StyleClassEvenRow = "even-row";
|
|
public const string StyleClassOddRow = "odd-row";
|
|
|
|
public object? Metadata;
|
|
public int Index;
|
|
public FancyTree Tree = default!;
|
|
public event Action<TreeItem>? OnSelected;
|
|
public event Action<TreeItem>? OnDeselected;
|
|
|
|
public bool Expanded { get; private set; } = false;
|
|
|
|
public TreeItem()
|
|
{
|
|
RobustXamlLoader.Load(this);
|
|
Button.StyleIdentifier = StyleIdentifierTreeButton;
|
|
Body.OnChildAdded += OnItemAdded;
|
|
Body.OnChildRemoved += OnItemRemoved;
|
|
}
|
|
|
|
private void OnItemRemoved(Control obj)
|
|
{
|
|
Tree.QueueRowStyleUpdate();
|
|
|
|
if (Body.ChildCount == 0)
|
|
{
|
|
Body.Visible = false;
|
|
UpdateIcon();
|
|
}
|
|
}
|
|
|
|
private void OnItemAdded(Control obj)
|
|
{
|
|
Tree.QueueRowStyleUpdate();
|
|
|
|
if (Body.ChildCount == 1)
|
|
{
|
|
Body.Visible = Expanded && Body.ChildCount != 0;
|
|
UpdateIcon();
|
|
}
|
|
}
|
|
|
|
public void SetExpanded(bool value)
|
|
{
|
|
if (Expanded == value)
|
|
return;
|
|
|
|
Expanded = value;
|
|
Body.Visible = Expanded && Body.ChildCount > 0;
|
|
UpdateIcon();
|
|
Tree.QueueRowStyleUpdate();
|
|
}
|
|
|
|
public void SetSelected(bool value)
|
|
{
|
|
if (value)
|
|
{
|
|
OnSelected?.Invoke(this);
|
|
Button.AddStyleClass(StyleClassSelected);
|
|
}
|
|
else
|
|
{
|
|
OnDeselected?.Invoke(this);
|
|
Button.RemoveStyleClass(StyleClassSelected);
|
|
}
|
|
}
|
|
|
|
public void UpdateIcon()
|
|
{
|
|
if (Body.ChildCount == 0)
|
|
Icon.Texture = Tree.IconNoChildren;
|
|
else
|
|
Icon.Texture = Expanded ? Tree.IconExpanded : Tree.IconCollapsed;
|
|
|
|
Icon.Modulate = Tree.IconColor;
|
|
Icon.Visible = Icon.Texture != null || !Tree.HideEmptyIcon;
|
|
}
|
|
}
|