96 lines
3.1 KiB
C#
96 lines
3.1 KiB
C#
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using System;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.Events;
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using UnityEngine.UIElements;
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namespace Unity.Cinemachine.Samples
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{
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/// <summary>
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/// Runtime UI script that can create toggles and buttons.
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/// </summary>
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[RequireComponent(typeof(UIDocument))]
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public class SamplesDynamicUI : MonoBehaviour
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{
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[Serializable]
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public class Item
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{
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[Tooltip("Text displayed on button")]
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public string Name = "Text";
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[Serializable]
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public class ToggleSettings
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{
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public bool Enabled;
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[Tooltip("Initial value of the toggle")]
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public bool Value;
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[Tooltip("Event sent when toggle button is clicked")]
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public UnityEvent<bool> OnValueChanged = new();
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}
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[Tooltip("Set this to true to create a toggle button")]
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[FoldoutWithEnabledButton]
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public ToggleSettings IsToggle = new();
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[Tooltip("Event sent when button is clicked")]
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public UnityEvent OnClick = new();
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}
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[Tooltip("The buttons to be displayed")]
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public List<Item> Buttons = new();
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VisualElement m_Root;
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readonly List<VisualElement> m_DynamicElements = new ();
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void OnEnable()
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{
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var uiDocument = GetComponent<UIDocument>();
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m_Root = uiDocument.rootVisualElement.Q("TogglesAndButtons"); // Should be justified - flex grow 1
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if (m_Root == null)
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{
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Debug.LogError("Cannot find TogglesAndButtons. Is the source asset set in the UIDocument?");
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return;
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}
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for (int i = 0; i < Buttons.Count; ++i)
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{
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var item = Buttons[i];
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if (item.IsToggle.Enabled)
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{
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var toggle = new Toggle
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{
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label = item.Name,
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value = item.IsToggle.Value,
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focusable = false,
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};
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toggle.AddToClassList("dynamicToggle");
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toggle.RegisterValueChangedCallback(e => item.IsToggle.OnValueChanged.Invoke(e.newValue));
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m_Root.Add(toggle);
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m_DynamicElements.Add(toggle);
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}
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else
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{
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var button = new Button
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{
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text = item.Name,
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focusable = false
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};
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button.AddToClassList("dynamicButton");
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button.clickable.clicked += item.OnClick.Invoke;
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m_Root.Add(button);
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m_DynamicElements.Add(button);
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}
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}
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m_Root.visible = Buttons.Count > 0;
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}
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void OnDisable()
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{
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for (int i = 0; i < m_DynamicElements.Count; ++i)
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m_Root.Remove(m_DynamicElements[i]);
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m_DynamicElements.Clear();
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}
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}
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}
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