A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using UnityEngine;
2using UnityEngine.UI;
3using UnityEditor.AnimatedValues;
4
5namespace UnityEditor.UI
6{
7 [CustomEditor(typeof(ScrollRect), true)]
8 [CanEditMultipleObjects]
9 /// <summary>
10 /// Custom Editor for the ScrollRect Component.
11 /// Extend this class to write a custom editor for a component derived from ScrollRect.
12 /// </summary>
13 public class ScrollRectEditor : Editor
14 {
15 SerializedProperty m_Content;
16 SerializedProperty m_Horizontal;
17 SerializedProperty m_Vertical;
18 SerializedProperty m_MovementType;
19 SerializedProperty m_Elasticity;
20 SerializedProperty m_Inertia;
21 SerializedProperty m_DecelerationRate;
22 SerializedProperty m_ScrollSensitivity;
23 SerializedProperty m_Viewport;
24 SerializedProperty m_HorizontalScrollbar;
25 SerializedProperty m_VerticalScrollbar;
26 SerializedProperty m_HorizontalScrollbarVisibility;
27 SerializedProperty m_VerticalScrollbarVisibility;
28 SerializedProperty m_HorizontalScrollbarSpacing;
29 SerializedProperty m_VerticalScrollbarSpacing;
30 SerializedProperty m_OnValueChanged;
31 AnimBool m_ShowElasticity;
32 AnimBool m_ShowDecelerationRate;
33 bool m_ViewportIsNotChild, m_HScrollbarIsNotChild, m_VScrollbarIsNotChild;
34 static string s_HError = "For this visibility mode, the Viewport property and the Horizontal Scrollbar property both needs to be set to a Rect Transform that is a child to the Scroll Rect.";
35 static string s_VError = "For this visibility mode, the Viewport property and the Vertical Scrollbar property both needs to be set to a Rect Transform that is a child to the Scroll Rect.";
36
37 protected virtual void OnEnable()
38 {
39 m_Content = serializedObject.FindProperty("m_Content");
40 m_Horizontal = serializedObject.FindProperty("m_Horizontal");
41 m_Vertical = serializedObject.FindProperty("m_Vertical");
42 m_MovementType = serializedObject.FindProperty("m_MovementType");
43 m_Elasticity = serializedObject.FindProperty("m_Elasticity");
44 m_Inertia = serializedObject.FindProperty("m_Inertia");
45 m_DecelerationRate = serializedObject.FindProperty("m_DecelerationRate");
46 m_ScrollSensitivity = serializedObject.FindProperty("m_ScrollSensitivity");
47 m_Viewport = serializedObject.FindProperty("m_Viewport");
48 m_HorizontalScrollbar = serializedObject.FindProperty("m_HorizontalScrollbar");
49 m_VerticalScrollbar = serializedObject.FindProperty("m_VerticalScrollbar");
50 m_HorizontalScrollbarVisibility = serializedObject.FindProperty("m_HorizontalScrollbarVisibility");
51 m_VerticalScrollbarVisibility = serializedObject.FindProperty("m_VerticalScrollbarVisibility");
52 m_HorizontalScrollbarSpacing = serializedObject.FindProperty("m_HorizontalScrollbarSpacing");
53 m_VerticalScrollbarSpacing = serializedObject.FindProperty("m_VerticalScrollbarSpacing");
54 m_OnValueChanged = serializedObject.FindProperty("m_OnValueChanged");
55
56 m_ShowElasticity = new AnimBool(Repaint);
57 m_ShowDecelerationRate = new AnimBool(Repaint);
58 SetAnimBools(true);
59 }
60
61 protected virtual void OnDisable()
62 {
63 m_ShowElasticity.valueChanged.RemoveListener(Repaint);
64 m_ShowDecelerationRate.valueChanged.RemoveListener(Repaint);
65 }
66
67 void SetAnimBools(bool instant)
68 {
69 SetAnimBool(m_ShowElasticity, !m_MovementType.hasMultipleDifferentValues && m_MovementType.enumValueIndex == (int)ScrollRect.MovementType.Elastic, instant);
70 SetAnimBool(m_ShowDecelerationRate, !m_Inertia.hasMultipleDifferentValues && m_Inertia.boolValue == true, instant);
71 }
72
73 void SetAnimBool(AnimBool a, bool value, bool instant)
74 {
75 if (instant)
76 a.value = value;
77 else
78 a.target = value;
79 }
80
81 void CalculateCachedValues()
82 {
83 m_ViewportIsNotChild = false;
84 m_HScrollbarIsNotChild = false;
85 m_VScrollbarIsNotChild = false;
86 if (targets.Length == 1)
87 {
88 Transform transform = ((ScrollRect)target).transform;
89 if (m_Viewport.objectReferenceValue == null || ((RectTransform)m_Viewport.objectReferenceValue).transform.parent != transform)
90 m_ViewportIsNotChild = true;
91 if (m_HorizontalScrollbar.objectReferenceValue == null || ((Scrollbar)m_HorizontalScrollbar.objectReferenceValue).transform.parent != transform)
92 m_HScrollbarIsNotChild = true;
93 if (m_VerticalScrollbar.objectReferenceValue == null || ((Scrollbar)m_VerticalScrollbar.objectReferenceValue).transform.parent != transform)
94 m_VScrollbarIsNotChild = true;
95 }
96 }
97
98 public override void OnInspectorGUI()
99 {
100 SetAnimBools(false);
101
102 serializedObject.Update();
103 // Once we have a reliable way to know if the object changed, only re-cache in that case.
104 CalculateCachedValues();
105
106 EditorGUILayout.PropertyField(m_Content);
107
108 EditorGUILayout.PropertyField(m_Horizontal);
109 EditorGUILayout.PropertyField(m_Vertical);
110
111 EditorGUILayout.PropertyField(m_MovementType);
112 if (EditorGUILayout.BeginFadeGroup(m_ShowElasticity.faded))
113 {
114 EditorGUI.indentLevel++;
115 EditorGUILayout.PropertyField(m_Elasticity);
116 EditorGUI.indentLevel--;
117 }
118 EditorGUILayout.EndFadeGroup();
119
120 EditorGUILayout.PropertyField(m_Inertia);
121 if (EditorGUILayout.BeginFadeGroup(m_ShowDecelerationRate.faded))
122 {
123 EditorGUI.indentLevel++;
124 EditorGUILayout.PropertyField(m_DecelerationRate);
125 EditorGUI.indentLevel--;
126 }
127 EditorGUILayout.EndFadeGroup();
128
129 EditorGUILayout.PropertyField(m_ScrollSensitivity);
130
131 EditorGUILayout.Space();
132
133 EditorGUILayout.PropertyField(m_Viewport);
134
135 EditorGUILayout.PropertyField(m_HorizontalScrollbar);
136 if (m_HorizontalScrollbar.objectReferenceValue && !m_HorizontalScrollbar.hasMultipleDifferentValues)
137 {
138 EditorGUI.indentLevel++;
139 EditorGUILayout.PropertyField(m_HorizontalScrollbarVisibility, EditorGUIUtility.TrTextContent("Visibility"));
140
141 if ((ScrollRect.ScrollbarVisibility)m_HorizontalScrollbarVisibility.enumValueIndex == ScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport
142 && !m_HorizontalScrollbarVisibility.hasMultipleDifferentValues)
143 {
144 if (m_ViewportIsNotChild || m_HScrollbarIsNotChild)
145 EditorGUILayout.HelpBox(s_HError, MessageType.Error);
146 EditorGUILayout.PropertyField(m_HorizontalScrollbarSpacing, EditorGUIUtility.TrTextContent("Spacing"));
147 }
148
149 EditorGUI.indentLevel--;
150 }
151
152 EditorGUILayout.PropertyField(m_VerticalScrollbar);
153 if (m_VerticalScrollbar.objectReferenceValue && !m_VerticalScrollbar.hasMultipleDifferentValues)
154 {
155 EditorGUI.indentLevel++;
156 EditorGUILayout.PropertyField(m_VerticalScrollbarVisibility, EditorGUIUtility.TrTextContent("Visibility"));
157
158 if ((ScrollRect.ScrollbarVisibility)m_VerticalScrollbarVisibility.enumValueIndex == ScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport
159 && !m_VerticalScrollbarVisibility.hasMultipleDifferentValues)
160 {
161 if (m_ViewportIsNotChild || m_VScrollbarIsNotChild)
162 EditorGUILayout.HelpBox(s_VError, MessageType.Error);
163 EditorGUILayout.PropertyField(m_VerticalScrollbarSpacing, EditorGUIUtility.TrTextContent("Spacing"));
164 }
165
166 EditorGUI.indentLevel--;
167 }
168
169 EditorGUILayout.Space();
170
171 EditorGUILayout.PropertyField(m_OnValueChanged);
172
173 serializedObject.ApplyModifiedProperties();
174 }
175 }
176}