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58 lines
1.9 KiB
58 lines
1.9 KiB
using System; |
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using System.Reflection; |
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using UnityEngine; |
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using Object = UnityEngine.Object; |
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using UnityEditor.UIElements; |
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using UnityEngine.UIElements; |
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namespace UnityEditor.ShaderGraph.Drawing.Controls |
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{ |
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[AttributeUsage(AttributeTargets.Property)] |
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class ObjectControlAttribute : Attribute, IControlAttribute |
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{ |
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string m_Label; |
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public ObjectControlAttribute(string label = null) |
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{ |
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m_Label = label; |
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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 ObjectControlView(m_Label, node, propertyInfo); |
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} |
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} |
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class ObjectControlView : VisualElement |
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{ |
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AbstractMaterialNode m_Node; |
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PropertyInfo m_PropertyInfo; |
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public ObjectControlView(string label, AbstractMaterialNode node, PropertyInfo propertyInfo) |
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{ |
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if (!typeof(Object).IsAssignableFrom(propertyInfo.PropertyType)) |
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throw new ArgumentException("Property must be assignable to UnityEngine.Object."); |
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m_Node = node; |
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m_PropertyInfo = propertyInfo; |
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label = label ?? propertyInfo.Name; |
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if (!string.IsNullOrEmpty(label)) |
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Add(new Label { text = label }); |
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var value = (Object)m_PropertyInfo.GetValue(m_Node, null); |
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var objectField = new ObjectField { objectType = propertyInfo.PropertyType, value = value }; |
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objectField.RegisterValueChangedCallback(OnValueChanged); |
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Add(objectField); |
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} |
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void OnValueChanged(ChangeEvent<Object> evt) |
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{ |
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var value = (Object)m_PropertyInfo.GetValue(m_Node, null); |
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if (evt.newValue != value) |
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{ |
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m_Node.owner.owner.RegisterCompleteObjectUndo("Change + " + m_Node.name); |
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m_PropertyInfo.SetValue(m_Node, evt.newValue, null); |
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} |
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} |
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} |
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}
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