A game about forced loneliness, made by TACStudios
1using System;
2using System.Linq;
3using System.Reflection;
4using UnityEngine;
5using UnityEngine.UIElements;
6using UnityEngine.Assertions;
7using UnityEditor.Graphing;
8
9namespace UnityEditor.ShaderGraph.Drawing.Controls
10{
11 [AttributeUsage(AttributeTargets.Property)]
12 class TextControlAttribute : Attribute, IControlAttribute
13 {
14 string m_Label;
15 public TextControlAttribute(string label = null)
16 {
17 m_Label = label;
18 }
19
20 public VisualElement InstantiateControl(AbstractMaterialNode node, PropertyInfo propertyInfo)
21 {
22 if (!TextControlView.validTypes.Contains(propertyInfo.PropertyType))
23 return null;
24 return new TextControlView(m_Label, node, propertyInfo);
25 }
26 }
27
28 class TextControlView : VisualElement
29 {
30 public static Type[] validTypes = { typeof(string) };
31 AbstractMaterialNode m_Node;
32 PropertyInfo m_PropertyInfo;
33 string m_Value;
34 int m_UndoGroup = -1;
35 public TextControlView(string label, AbstractMaterialNode node, PropertyInfo propertyInfo)
36 {
37 styleSheets.Add(Resources.Load<StyleSheet>("Styles/Controls/TextControlView"));
38 m_Node = node;
39 m_PropertyInfo = propertyInfo;
40 label = label ?? ObjectNames.NicifyVariableName(propertyInfo.Name);
41 var container = new VisualElement { name = "container" };
42 var thisLabel = new Label(label);
43 container.Add(thisLabel);
44 m_Value = GetValue();
45 string value = null;
46 var field = new TextField { value = m_Value };
47 field.RegisterCallback<MouseDownEvent>(Repaint);
48 field.RegisterCallback<MouseMoveEvent>(Repaint);
49 field.RegisterValueChangedCallback(evt =>
50 {
51 value = GetValue();
52 value = evt.newValue;
53 if (m_Node.GetType() != typeof(SwizzleNode))
54 {
55 m_Node.owner.owner.RegisterCompleteObjectUndo("Change" + m_Node.name);
56 m_PropertyInfo.SetValue(m_Node, value, null);
57 m_UndoGroup = -1;
58 }
59 });
60
61 // Pressing escape while we are editing causes it to revert to the original value when we gained focus
62 field.Q("unity-text-input").RegisterCallback<KeyDownEvent>(evt =>
63 {
64 if (evt.keyCode == KeyCode.Escape && m_UndoGroup > -1)
65 {
66 Undo.RevertAllDownToGroup(m_UndoGroup);
67 m_UndoGroup = -1;
68 evt.StopPropagation();
69 }
70 this.MarkDirtyRepaint();
71 }, TrickleDown.TrickleDown);
72 field.Q("unity-text-input").RegisterCallback<FocusOutEvent>(evt =>
73 {
74 if (m_Node.GetType() == typeof(SwizzleNode))
75 {
76 //Only set node value when mouse clicked away
77 m_Node.owner.owner.RegisterCompleteObjectUndo("Change" + m_Node.name);
78 m_PropertyInfo.SetValue(m_Node, value, null);
79 m_UndoGroup = -1;
80 //Validate graph to update downstream input slot
81 m_Node.owner.ValidateGraph();
82 m_Node.Dirty(ModificationScope.Topological);
83 }
84 this.MarkDirtyRepaint();
85 }, TrickleDown.TrickleDown);
86 container.Add(field);
87 Add(container);
88 }
89
90 string GetValue()
91 {
92 var value = m_PropertyInfo.GetValue(m_Node, null);
93 Assert.IsNotNull(value);
94 return (string)value;
95 }
96
97 void Repaint<T>(MouseEventBase<T> evt) where T : MouseEventBase<T>, new()
98 {
99 evt.StopPropagation();
100 this.MarkDirtyRepaint();
101 }
102 }
103}