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75 lines
2.4 KiB
75 lines
2.4 KiB
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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