Files
FlaxEngine/Source/Editor/Surface/Elements/ComboBoxElement.cs
2024-02-26 19:00:48 +01:00

72 lines
2.1 KiB
C#

// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
using FlaxEditor.GUI;
using FlaxEngine;
namespace FlaxEditor.Surface.Elements
{
/// <summary>
/// Combo box element.
/// </summary>
/// <seealso cref="ComboBox" />
/// <seealso cref="ISurfaceNodeElement" />
[HideInEditor]
public class ComboBoxElement : ComboBox, ISurfaceNodeElement
{
/// <summary>
/// True if automatic value selecting is active.
/// </summary>
protected bool _isAutoSelect;
/// <inheritdoc />
public SurfaceNode ParentNode { get; }
/// <inheritdoc />
public NodeElementArchetype Archetype { get; }
/// <summary>
/// Gets the surface.
/// </summary>
public VisjectSurface Surface => ParentNode.Surface;
/// <inheritdoc />
public ComboBoxElement(SurfaceNode parentNode, NodeElementArchetype archetype)
: base(archetype.ActualPositionX, archetype.ActualPositionY, archetype.Size.X)
{
ParentNode = parentNode;
Archetype = archetype;
// Check if combo box will use auto select feature
// Note: used provided items we should auto update saved node value on closed
_isAutoSelect = Archetype.Text != null;
if (Archetype.Text != null)
{
var items = Archetype.Text.Split('\n');
AddItems(items);
OnNodeValuesChanged();
ParentNode.ValuesChanged += OnNodeValuesChanged;
}
}
private void OnNodeValuesChanged()
{
_selectedIndices.Clear();
_selectedIndices.Add((int)ParentNode.Values[Archetype.ValueIndex]);
OnSelectedIndexChanged();
}
/// <inheritdoc />
protected override void OnSelectedIndexChanged()
{
if (_isAutoSelect && (int)ParentNode.Values[Archetype.ValueIndex] != SelectedIndex)
{
// Edit value
ParentNode.SetValue(Archetype.ValueIndex, SelectedIndex);
}
base.OnSelectedIndexChanged();
}
}
}