A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System.Collections.Generic;
2using System.Linq;
3using UnityEngine;
4using UnityEngine.UI;
5using System.Globalization;
6
7namespace UnityEditor.Events
8{
9 [CustomPreview(typeof(GameObject))]
10 /// <summary>
11 /// Custom preview drawing that will draw the layout properties of a given object.
12 /// </summary>
13 class LayoutPropertiesPreview : ObjectPreview
14 {
15 private const float kLabelWidth = 110;
16 private const float kValueWidth = 100;
17
18 class Styles
19 {
20 public GUIStyle labelStyle = new GUIStyle(EditorStyles.label);
21 public GUIStyle headerStyle = new GUIStyle(EditorStyles.boldLabel);
22
23 public Styles()
24 {
25 labelStyle.padding.right += 4;
26 headerStyle.padding.right += 4;
27 }
28 }
29
30 private GUIContent m_Title;
31 private Styles m_Styles;
32
33 public override void Initialize(UnityEngine.Object[] targets)
34 {
35 base.Initialize(targets);
36 }
37
38 public override GUIContent GetPreviewTitle()
39 {
40 if (m_Title == null)
41 {
42 m_Title = EditorGUIUtility.TrTextContent("Layout Properties");
43 }
44 return m_Title;
45 }
46
47 public override bool HasPreviewGUI()
48 {
49 GameObject go = target as GameObject;
50 if (!go)
51 return false;
52
53 // Prevent allocations in the editor by using TryGetComponent
54 ILayoutElement layoutElement;
55 return go.TryGetComponent(out layoutElement);
56 }
57
58 public override void OnPreviewGUI(Rect r, GUIStyle background)
59 {
60 if (Event.current.type != EventType.Repaint)
61 return;
62
63 if (m_Styles == null)
64 m_Styles = new Styles();
65
66 GameObject go = target as GameObject;
67 RectTransform rect = go.transform as RectTransform;
68 if (rect == null)
69 return;
70
71 // Apply padding
72 RectOffset previewPadding = new RectOffset(-5, -5, -5, -5);
73 r = previewPadding.Add(r);
74
75 // Prepare rects for columns
76 r.height = EditorGUIUtility.singleLineHeight;
77 Rect labelRect = r;
78 Rect valueRect = r;
79 Rect sourceRect = r;
80 labelRect.width = kLabelWidth;
81 valueRect.xMin += kLabelWidth;
82 valueRect.width = kValueWidth;
83 sourceRect.xMin += kLabelWidth + kValueWidth;
84
85 // Headers
86 GUI.Label(labelRect, "Property", m_Styles.headerStyle);
87 GUI.Label(valueRect, "Value", m_Styles.headerStyle);
88 GUI.Label(sourceRect, "Source", m_Styles.headerStyle);
89 labelRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
90 valueRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
91 sourceRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
92
93 // Prepare reusable variable for out argument
94 ILayoutElement source = null;
95
96 // Show properties
97
98 ShowProp(ref labelRect, ref valueRect, ref sourceRect, "Min Width", LayoutUtility.GetLayoutProperty(rect, e => e.minWidth, 0, out source).ToString(CultureInfo.InvariantCulture.NumberFormat), source);
99 ShowProp(ref labelRect, ref valueRect, ref sourceRect, "Min Height", LayoutUtility.GetLayoutProperty(rect, e => e.minHeight, 0, out source).ToString(CultureInfo.InvariantCulture.NumberFormat), source);
100 ShowProp(ref labelRect, ref valueRect, ref sourceRect, "Preferred Width", LayoutUtility.GetLayoutProperty(rect, e => e.preferredWidth, 0, out source).ToString(CultureInfo.InvariantCulture.NumberFormat), source);
101 ShowProp(ref labelRect, ref valueRect, ref sourceRect, "Preferred Height", LayoutUtility.GetLayoutProperty(rect, e => e.preferredHeight, 0, out source).ToString(CultureInfo.InvariantCulture.NumberFormat), source);
102
103 float flexible = 0;
104
105 flexible = LayoutUtility.GetLayoutProperty(rect, e => e.flexibleWidth, 0, out source);
106 ShowProp(ref labelRect, ref valueRect, ref sourceRect, "Flexible Width", flexible > 0 ? ("enabled (" + flexible.ToString(CultureInfo.InvariantCulture.NumberFormat) + ")") : "disabled", source);
107 flexible = LayoutUtility.GetLayoutProperty(rect, e => e.flexibleHeight, 0, out source);
108 ShowProp(ref labelRect, ref valueRect, ref sourceRect, "Flexible Height", flexible > 0 ? ("enabled (" + flexible.ToString(CultureInfo.InvariantCulture.NumberFormat) + ")") : "disabled", source);
109
110 if (!rect.GetComponent<LayoutElement>())
111 {
112 Rect noteRect = new Rect(labelRect.x, labelRect.y + 10, r.width, EditorGUIUtility.singleLineHeight);
113 GUI.Label(noteRect, "Add a LayoutElement to override values.", m_Styles.labelStyle);
114 }
115 }
116
117 private void ShowProp(ref Rect labelRect, ref Rect valueRect, ref Rect sourceRect, string label, string value, ILayoutElement source)
118 {
119 GUI.Label(labelRect, label, m_Styles.labelStyle);
120 GUI.Label(valueRect, value, m_Styles.labelStyle);
121 GUI.Label(sourceRect, source == null ? "none" : source.GetType().Name, m_Styles.labelStyle);
122 labelRect.y += EditorGUIUtility.singleLineHeight;
123 valueRect.y += EditorGUIUtility.singleLineHeight;
124 sourceRect.y += EditorGUIUtility.singleLineHeight;
125 }
126 }
127}