76 lines
2.4 KiB
C#
76 lines
2.4 KiB
C#
using System;
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using System.Reflection;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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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 PopupControlAttribute : Attribute, IControlAttribute
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{
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string m_Label;
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//string[] m_Entries;
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public PopupControlAttribute(string label = null)
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{
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m_Label = label;
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//m_Entries = entries;
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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 PopupControlView(m_Label, node, propertyInfo);
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}
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}
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[Serializable]
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struct PopupList
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{
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public int selectedEntry;
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public string[] popupEntries;
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public PopupList(string[] entries, int defaultEntry)
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{
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popupEntries = entries;
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selectedEntry = defaultEntry;
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}
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}
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class PopupControlView : VisualElement
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{
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AbstractMaterialNode m_Node;
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PropertyInfo m_PropertyInfo;
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PopupField<string> m_PopupField;
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public PopupControlView(string label, AbstractMaterialNode node, PropertyInfo propertyInfo)
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{
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styleSheets.Add(Resources.Load<StyleSheet>("Styles/Controls/PopupControlView"));
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m_Node = node;
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m_PropertyInfo = propertyInfo;
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Type type = propertyInfo.PropertyType;
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if (type != typeof(PopupList))
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{
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throw new ArgumentException("Property must be a PopupList.", "propertyInfo");
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}
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Add(new Label(label ?? ObjectNames.NicifyVariableName(propertyInfo.Name)));
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var value = (PopupList)propertyInfo.GetValue(m_Node, null);
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m_PopupField = new PopupField<string>(new List<string>(value.popupEntries), value.selectedEntry);
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m_PopupField.RegisterValueChangedCallback(OnValueChanged);
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Add(m_PopupField);
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}
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void OnValueChanged(ChangeEvent<string> evt)
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{
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var value = (PopupList)m_PropertyInfo.GetValue(m_Node, null);
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value.selectedEntry = m_PopupField.index;
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m_PropertyInfo.SetValue(m_Node, value, null);
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m_Node.owner.owner.RegisterCompleteObjectUndo("Change " + m_Node.name);
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}
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}
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}
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