94 lines
2.7 KiB
C#
94 lines
2.7 KiB
C#
using UnityEngine;
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using System;
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namespace DuloGames.UI
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{
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public static class UIUtility {
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/// <summary>
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/// Brings the game object to the front.
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/// </summary>
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/// <param name="go">Game Object.</param>
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public static void BringToFront(GameObject go)
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{
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BringToFront(go, true);
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}
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/// <summary>
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/// Brings the game object to the front while specifing if re-parenting is allowed.
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/// </summary>
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/// <param name="go">The Game Object.</param>
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/// <param name="allowReparent">Should we allow the method to change the Game Object's parent.</param>
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public static void BringToFront(GameObject go, bool allowReparent)
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{
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Transform root = null;
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// Check if this game object is part of a UI Scene
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UIScene scene = UIUtility.FindInParents<UIScene>(go);
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// If the object has a parent ui scene
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if (scene != null && scene.content != null)
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{
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root = scene.content;
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}
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else
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{
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// Use canvas as root
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Canvas canvas = UIUtility.FindInParents<Canvas>(go);
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if (canvas != null) root = canvas.transform;
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}
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// If the object has a parent canvas
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if (allowReparent && root != null)
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go.transform.SetParent(root, true);
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// Set as last sibling
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go.transform.SetAsLastSibling();
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// Handle the always on top components
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if (root != null)
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{
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UIAlwaysOnTop[] alwaysOnTopComponenets = root.gameObject.GetComponentsInChildren<UIAlwaysOnTop>();
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if (alwaysOnTopComponenets.Length > 0)
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{
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// Sort them by order
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Array.Sort(alwaysOnTopComponenets);
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foreach (UIAlwaysOnTop component in alwaysOnTopComponenets)
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{
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component.transform.SetAsLastSibling();
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}
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}
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}
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}
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/// <summary>
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/// Finds the component in the game object's parents.
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/// </summary>
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/// <returns>The component.</returns>
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/// <param name="go">Game Object.</param>
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/// <typeparam name="T">The 1st type parameter.</typeparam>
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public static T FindInParents<T>(GameObject go) where T : Component
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{
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if (go == null)
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return null;
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var comp = go.GetComponent<T>();
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if (comp != null)
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return comp;
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Transform t = go.transform.parent;
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while (t != null && comp == null)
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{
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comp = t.gameObject.GetComponent<T>();
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t = t.parent;
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}
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return comp;
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}
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}
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}
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