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