A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System.Collections.Generic;
2using UnityEditor.ShaderGraph.Drawing;
3using UnityEngine;
4using UnityEngine.UIElements;
5
6namespace UnityEditor.ShaderGraph.Drawing
7{
8 [System.Obsolete("ResizableElementFactory is deprecated and will be removed. Use UxmlElementAttribute instead.", false)]
9 class ResizableElementFactory : UxmlFactory<ResizableElement>
10 { }
11
12 class ResizableElement : VisualElement
13 {
14 Dictionary<Resizer, VisualElement> m_Resizers = new Dictionary<Resizer, VisualElement>();
15
16 List<Manipulator> m_Manipulators = new List<Manipulator>();
17 public ResizableElement() : this("uxml/Resizable")
18 {
19 pickingMode = PickingMode.Ignore;
20 }
21
22 public ResizableElement(string uiFile)
23 {
24 var tpl = Resources.Load<VisualTreeAsset>(uiFile);
25 var sheet = Resources.Load<StyleSheet>("Resizable");
26 styleSheets.Add(sheet);
27
28 tpl.CloneTree(this);
29
30 foreach (Resizer direction in new[] { Resizer.Top, Resizer.Bottom, Resizer.Left, Resizer.Right })
31 {
32 VisualElement resizer = this.Q(direction.ToString().ToLower() + "-resize");
33 if (resizer != null)
34 {
35 var manipulator = new ElementResizer(this, direction);
36 resizer.AddManipulator(manipulator);
37 m_Manipulators.Add(manipulator);
38 }
39 m_Resizers[direction] = resizer;
40 }
41
42 foreach (Resizer vertical in new[] { Resizer.Top, Resizer.Bottom })
43 foreach (Resizer horizontal in new[] { Resizer.Left, Resizer.Right })
44 {
45 VisualElement resizer = this.Q(vertical.ToString().ToLower() + "-" + horizontal.ToString().ToLower() + "-resize");
46 if (resizer != null)
47 {
48 var manipulator = new ElementResizer(this, vertical | horizontal);
49 resizer.AddManipulator(manipulator);
50 m_Manipulators.Add(manipulator);
51 }
52 m_Resizers[vertical | horizontal] = resizer;
53 }
54 }
55
56 public void SetResizeRules(Resizer allowedResizeDirections)
57 {
58 foreach (var manipulator in m_Manipulators)
59 {
60 if (manipulator == null)
61 return;
62 var resizeElement = manipulator as ElementResizer;
63 // If resizer direction is not in list of allowed directions, disable the callbacks on it
64 if ((resizeElement.direction & allowedResizeDirections) == 0)
65 {
66 resizeElement.isEnabled = false;
67 }
68 else if ((resizeElement.direction & allowedResizeDirections) != 0)
69 {
70 resizeElement.isEnabled = true;
71 }
72 }
73 }
74
75 public enum Resizer
76 {
77 None = 0,
78 Top = 1 << 0,
79 Bottom = 1 << 1,
80 Left = 1 << 2,
81 Right = 1 << 3,
82 }
83
84 // Lets visual element owners bind a callback to when any resize operation is completed
85 public void BindOnResizeCallback(EventCallback<MouseUpEvent> mouseUpEvent)
86 {
87 foreach (var manipulator in m_Manipulators)
88 {
89 if (manipulator == null)
90 return;
91 manipulator.target.RegisterCallback(mouseUpEvent);
92 }
93 }
94 }
95}