104 lines
3.8 KiB
C#
104 lines
3.8 KiB
C#
using System;
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using System.Linq;
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using System.Reflection;
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using UnityEngine;
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using UnityEngine.UIElements;
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using UnityEngine.Assertions;
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using UnityEditor.Graphing;
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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 TextControlAttribute : Attribute, IControlAttribute
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{
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string m_Label;
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public TextControlAttribute(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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if (!TextControlView.validTypes.Contains(propertyInfo.PropertyType))
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return null;
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return new TextControlView(m_Label, node, propertyInfo);
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}
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}
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class TextControlView : VisualElement
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{
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public static Type[] validTypes = { typeof(string) };
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AbstractMaterialNode m_Node;
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PropertyInfo m_PropertyInfo;
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string m_Value;
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int m_UndoGroup = -1;
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public TextControlView(string label, AbstractMaterialNode node, PropertyInfo propertyInfo)
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{
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styleSheets.Add(Resources.Load<StyleSheet>("Styles/Controls/TextControlView"));
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m_Node = node;
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m_PropertyInfo = propertyInfo;
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label = label ?? ObjectNames.NicifyVariableName(propertyInfo.Name);
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var container = new VisualElement { name = "container" };
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var thisLabel = new Label(label);
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container.Add(thisLabel);
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m_Value = GetValue();
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string value = null;
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var field = new TextField { value = m_Value };
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field.RegisterCallback<MouseDownEvent>(Repaint);
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field.RegisterCallback<MouseMoveEvent>(Repaint);
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field.RegisterValueChangedCallback(evt =>
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{
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value = GetValue();
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value = evt.newValue;
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if (m_Node.GetType() != typeof(SwizzleNode))
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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, value, null);
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m_UndoGroup = -1;
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}
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});
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// Pressing escape while we are editing causes it to revert to the original value when we gained focus
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field.Q("unity-text-input").RegisterCallback<KeyDownEvent>(evt =>
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{
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if (evt.keyCode == KeyCode.Escape && m_UndoGroup > -1)
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{
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Undo.RevertAllDownToGroup(m_UndoGroup);
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m_UndoGroup = -1;
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evt.StopPropagation();
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}
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this.MarkDirtyRepaint();
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}, TrickleDown.TrickleDown);
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field.Q("unity-text-input").RegisterCallback<FocusOutEvent>(evt =>
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{
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if (m_Node.GetType() == typeof(SwizzleNode))
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{
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//Only set node value when mouse clicked away
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m_Node.owner.owner.RegisterCompleteObjectUndo("Change" + m_Node.name);
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m_PropertyInfo.SetValue(m_Node, value, null);
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m_UndoGroup = -1;
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//Validate graph to update downstream input slot
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m_Node.owner.ValidateGraph();
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m_Node.Dirty(ModificationScope.Topological);
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}
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this.MarkDirtyRepaint();
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}, TrickleDown.TrickleDown);
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container.Add(field);
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Add(container);
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}
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string GetValue()
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{
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var value = m_PropertyInfo.GetValue(m_Node, null);
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Assert.IsNotNull(value);
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return (string)value;
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}
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void Repaint<T>(MouseEventBase<T> evt) where T : MouseEventBase<T>, new()
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{
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evt.StopPropagation();
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this.MarkDirtyRepaint();
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}
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}
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}
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