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

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C#
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2024-09-20 20:30:10 +02:00
using System;
using System.Reflection;
using UnityEngine;
using UnityEditor.UIElements;
using UnityEngine.UIElements;
namespace UnityEditor.ShaderGraph.Drawing.Controls
{
[AttributeUsage(AttributeTargets.Property)]
class IdentifierControlAttribute : Attribute, IControlAttribute
{
string m_Label;
public IdentifierControlAttribute(string label = null)
{
m_Label = label;
}
public VisualElement InstantiateControl(AbstractMaterialNode node, PropertyInfo propertyInfo)
{
return new IdentifierControlView(m_Label, node, propertyInfo);
}
}
class IdentifierControlView : VisualElement
{
AbstractMaterialNode m_Node;
PropertyInfo m_PropertyInfo;
public IdentifierControlView(string label, AbstractMaterialNode node, PropertyInfo propertyInfo)
{
var style = Resources.Load<StyleSheet>("Styles/Controls/IdentifierControlView");
if (style) styleSheets.Add(style);
m_Node = node;
m_PropertyInfo = propertyInfo;
if (propertyInfo.PropertyType != typeof(string))
throw new ArgumentException("Property must be of type string.", "propertyInfo");
label = label ?? ObjectNames.NicifyVariableName(propertyInfo.Name);
if (!string.IsNullOrEmpty(label))
Add(new Label(label));
var strField = new IdentifierField() { value = (string)m_PropertyInfo.GetValue(m_Node, null) };
strField.RegisterValueChangedCallback(OnChange);
Add(strField);
}
void OnChange(ChangeEvent<string> evt)
{
m_Node.owner.owner.RegisterCompleteObjectUndo("Identifier Change");
m_PropertyInfo.SetValue(m_Node, evt.newValue, null);
this.MarkDirtyRepaint();
}
}
}