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