mathe/Library/PackageCache/com.unity.shadergraph@14.0.8/Editor/Drawing/Controls/EnumConversionControl.cs

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C#
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2024-09-20 20:30:10 +02:00
using System;
using System.Linq;
using System.Reflection;
using UnityEditor.UIElements;
using UnityEngine;
using UnityEngine.UIElements;
namespace UnityEditor.ShaderGraph.Drawing.Controls
{
interface IEnumConversion
{
Enum from { get; set; }
Enum to { get; set; }
}
[AttributeUsage(AttributeTargets.Property)]
class EnumConversionControlAttribute : Attribute, IControlAttribute
{
public VisualElement InstantiateControl(AbstractMaterialNode node, PropertyInfo propertyInfo)
{
return new EnumConversionControlView(node, propertyInfo);
}
}
class EnumConversionControlView : VisualElement
{
AbstractMaterialNode m_Node;
PropertyInfo m_PropertyInfo;
IEnumConversion value
{
get { return (IEnumConversion)m_PropertyInfo.GetValue(m_Node, null); }
set { m_PropertyInfo.SetValue(m_Node, value, null); }
}
public EnumConversionControlView(AbstractMaterialNode node, PropertyInfo propertyInfo)
{
if (!propertyInfo.PropertyType.GetInterfaces().Any(t => t == typeof(IEnumConversion)))
throw new ArgumentException("Property type must implement IEnumConversion.");
m_Node = node;
m_PropertyInfo = propertyInfo;
styleSheets.Add(Resources.Load<StyleSheet>("Styles/Controls/EnumConversionControlView"));
var currentValue = value;
var ec = (IEnumConversion)propertyInfo.GetValue(m_Node, null);
propertyInfo.SetValue(m_Node, ec, null);
var fromField = new EnumField(currentValue.from);
fromField.RegisterValueChangedCallback(OnFromChanged);
Add(fromField);
var arrowLabel = new Label("➔");
Add(arrowLabel);
var toField = new EnumField(currentValue.to);
toField.RegisterValueChangedCallback(OnToChanged);
Add(toField);
}
void OnFromChanged(ChangeEvent<Enum> evt)
{
var currentValue = value;
if (!Equals(currentValue.from, evt.newValue))
{
m_Node.owner.owner.RegisterCompleteObjectUndo("Change Colorspace From");
currentValue.from = evt.newValue;
value = currentValue;
}
}
void OnToChanged(ChangeEvent<Enum> evt)
{
var currentValue = value;
if (!Equals(currentValue.to, evt.newValue))
{
m_Node.owner.owner.RegisterCompleteObjectUndo("Change Colorspace To");
currentValue.to = evt.newValue;
value = currentValue;
}
}
}
}