127 lines
4.1 KiB
C#
127 lines
4.1 KiB
C#
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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using System;
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using System.IO;
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using System.Text;
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using FlaxEngine;
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using FlaxEngine.GUI;
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namespace FlaxEditor.Content
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{
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/// <summary>
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/// Asset item object.
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/// </summary>
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/// <seealso cref="FlaxEditor.Content.ContentItem" />
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[HideInEditor]
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public abstract class AssetItem : ContentItem
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{
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/// <summary>
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/// Gets the asset unique identifier.
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/// </summary>
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public Guid ID { get; protected set; }
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/// <summary>
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/// Gets the asset type identifier.
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/// </summary>
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public string TypeName { get; }
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/// <summary>
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/// Initializes a new instance of the <see cref="AssetItem"/> class.
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/// </summary>
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/// <param name="path">The asset path.</param>
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/// <param name="typeName">The asset type name.</param>
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/// <param name="id">The asset identifier.</param>
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protected AssetItem(string path, string typeName, ref Guid id)
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: base(path)
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{
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TypeName = typeName;
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ID = id;
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}
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/// <inheritdoc />
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protected override void UpdateTooltipText()
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{
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var sb = new StringBuilder();
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OnBuildTooltipText(sb);
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TooltipText = sb.ToString();
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}
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private sealed class TooltipDoubleClickHook : Control
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{
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public AssetItem Item;
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public TooltipDoubleClickHook()
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{
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AnchorPreset = AnchorPresets.StretchAll;
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Offsets = Margin.Zero;
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}
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public override bool OnMouseDoubleClick(Vector2 location, MouseButton button)
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{
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return Item.OnMouseDoubleClick(Item.PointFromScreen(PointToScreen(location)), button);
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}
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}
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/// <inheritdoc />
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public override void OnTooltipShown(Tooltip tooltip)
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{
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base.OnTooltipShown(tooltip);
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// Inject the hook control for the double-click event (if user double-clicks on tooltip over the asset item it will open that item - helps on small screens)
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var hook = tooltip.GetChild<TooltipDoubleClickHook>();
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if (hook == null)
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hook = tooltip.AddChild<TooltipDoubleClickHook>();
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hook.Item = this;
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}
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/// <summary>
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/// Called when building tooltip text.
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/// </summary>
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/// <param name="sb">The String Builder.</param>
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protected virtual void OnBuildTooltipText(StringBuilder sb)
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{
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sb.Append("Type: ").Append(TypeName).AppendLine();
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sb.Append("Size: ").Append(Utilities.Utils.FormatBytesCount((int)new FileInfo(Path).Length)).AppendLine();
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sb.Append("Path: ").Append(Path).AppendLine();
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}
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/// <inheritdoc />
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public override ContentItemType ItemType => ContentItemType.Asset;
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/// <summary>
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/// Determines whether asset is of the specified type (included inheritance checks).
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/// </summary>
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/// <typeparam name="T">The type to check.</typeparam>
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/// <returns><c>true</c> if asset is of the specified type (including inherited types); otherwise, <c>false</c>.</returns>
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public bool IsOfType<T>()
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{
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return IsOfType(typeof(T));
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}
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/// <summary>
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/// Determines whether asset is of the specified type (included inheritance checks).
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/// </summary>
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/// <param name="type">The type to check.</param>
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/// <returns><c>true</c> if asset is of the specified type (including inherited types); otherwise, <c>false</c>.</returns>
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public virtual bool IsOfType(Type type)
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{
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return false;
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}
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/// <inheritdoc />
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protected override bool DrawShadow => true;
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/// <inheritdoc />
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public override ContentItem Find(Guid id)
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{
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return id == ID ? this : null;
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}
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/// <inheritdoc />
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public override string ToString()
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{
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return Path + ":" + ID;
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}
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}
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}
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