119 lines
3.4 KiB
C#
119 lines
3.4 KiB
C#
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
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using System;
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using FlaxEngine;
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using FlaxEngine.GUI;
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namespace FlaxEditor.GUI
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{
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/// <summary>
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/// Popup that shows the list of actors to pick. Supports searching and basic type filtering.
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/// </summary>
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/// <seealso cref="FlaxEditor.GUI.ItemsListContextMenu" />
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public class ActorSearchPopup : ItemsListContextMenu
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{
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/// <summary>
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/// The actor item.
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/// </summary>
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/// <seealso cref="FlaxEditor.GUI.ItemsListContextMenu.Item" />
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public class ActorItemView : Item
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{
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private Actor _actor;
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/// <summary>
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/// Gets the actor.
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/// </summary>
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public Actor Actor => _actor;
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/// <summary>
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/// Initializes a new instance of the <see cref="ActorItemView"/> class.
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/// </summary>
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/// <param name="actor">The actor.</param>
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public ActorItemView(Actor actor)
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{
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_actor = actor;
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Name = actor.Name;
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TooltipText = Utilities.Utils.GetTooltip(actor);
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}
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/// <inheritdoc />
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public override void OnDestroy()
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{
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_actor = null;
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base.OnDestroy();
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}
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}
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/// <summary>
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/// Validates if the given actor item can be used to pick it.
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/// </summary>
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/// <param name="actor">The actor.</param>
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/// <returns>True if is valid.</returns>
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public delegate bool IsValidDelegate(Actor actor);
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private IsValidDelegate _isValid;
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private Action<Actor> _selected;
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private ActorSearchPopup(IsValidDelegate isValid, Action<Actor> selected)
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{
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_isValid = isValid;
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_selected = selected;
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ItemClicked += OnItemClicked;
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// TODO: use async thread to search scenes
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for (int i = 0; i < Level.ScenesCount; i++)
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{
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Find(Level.GetScene(i));
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}
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SortItems();
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}
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private void OnItemClicked(Item item)
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{
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_selected(((ActorItemView)item).Actor);
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}
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private void Find(Actor actor)
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{
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if (!actor)
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return;
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if (_isValid(actor))
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{
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AddItem(new ActorItemView(actor));
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}
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for (int i = 0; i < actor.ChildrenCount; i++)
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{
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Find(actor.GetChild(i));
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}
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}
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/// <summary>
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/// Shows the popup.
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/// </summary>
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/// <param name="showTarget">The show target.</param>
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/// <param name="showTargetLocation">The show target location.</param>
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/// <param name="isValid">Event called to check if a given actor item is valid to be used.</param>
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/// <param name="selected">Event called on actor item pick.</param>
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/// <returns>The dialog.</returns>
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public static ActorSearchPopup Show(Control showTarget, Float2 showTargetLocation, IsValidDelegate isValid, Action<Actor> selected)
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{
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var popup = new ActorSearchPopup(isValid, selected);
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popup.Show(showTarget, showTargetLocation);
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return popup;
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}
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/// <inheritdoc />
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public override void OnDestroy()
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{
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_isValid = null;
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_selected = null;
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base.OnDestroy();
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}
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}
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}
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