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Add FilePathEditor custom editor for path-based editing asset/url refs with a file picker

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This commit is contained in:
Wojtek Figat
2024-05-03 12:26:03 +02:00
parent dca8e391fa
commit 754ed56119
5 changed files with 212 additions and 59 deletions
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215
Source/Editor/CustomEditors/Editors/AssetRefEditor.cs
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@@ -6,6 +6,7 @@ using FlaxEditor.Content;
using FlaxEditor.GUI;
using FlaxEditor.Scripting;
using FlaxEngine;
using FlaxEngine.GUI;
using FlaxEngine.Utilities;
namespace FlaxEditor.CustomEditors.Editors
@@ -50,7 +51,6 @@ namespace FlaxEditor.CustomEditors.Editors
if (HasDifferentTypes)
return;
Picker = layout.Custom<AssetPicker>().CustomControl;
var value = Values[0];
_valueType = Values.Type.Type != typeof(object) || value == null ? Values.Type : TypeUtils.GetObjectType(value);
var assetType = _valueType;
@@ -58,37 +58,8 @@ namespace FlaxEditor.CustomEditors.Editors
assetType = new ScriptType(typeof(Asset));
else if (_valueType.Type != null && _valueType.Type.Name == typeof(JsonAssetReference<>).Name)
assetType = new ScriptType(_valueType.Type.GenericTypeArguments[0]);
float height = 48;
var attributes = Values.GetAttributes();
var assetReference = (AssetReferenceAttribute)attributes?.FirstOrDefault(x => x is AssetReferenceAttribute);
if (assetReference != null)
{
if (assetReference.UseSmallPicker)
height = 32;
if (string.IsNullOrEmpty(assetReference.TypeName))
{
}
else if (assetReference.TypeName.Length > 1 && assetReference.TypeName[0] == '.')
{
// Generic file picker
assetType = ScriptType.Null;
Picker.Validator.FileExtension = assetReference.TypeName;
}
else
{
var customType = TypeUtils.GetType(assetReference.TypeName);
if (customType != ScriptType.Null)
assetType = customType;
else if (!Content.Settings.GameSettings.OptionalPlatformSettings.Contains(assetReference.TypeName))
Debug.LogWarning(string.Format("Unknown asset type '{0}' to use for asset picker filter.", assetReference.TypeName));
else
assetType = ScriptType.Void;
}
}
Picker.Validator.AssetType = assetType;
ApplyAssetReferenceAttribute(Values, out var height, Picker.Validator);
Picker.Height = height;
Picker.SelectedItemChanged += OnSelectedItemChanged;
}
@@ -115,6 +86,37 @@ namespace FlaxEditor.CustomEditors.Editors
SetValue(Picker.Validator.SelectedAsset);
}
internal static void ApplyAssetReferenceAttribute(ValueContainer values, out float height, AssetPickerValidator validator)
{
height = 48;
var attributes = values.GetAttributes();
var assetReference = (AssetReferenceAttribute)attributes?.FirstOrDefault(x => x is AssetReferenceAttribute);
if (assetReference != null)
{
if (assetReference.UseSmallPicker)
height = 32;
if (string.IsNullOrEmpty(assetReference.TypeName))
{
}
else if (assetReference.TypeName.Length > 1 && assetReference.TypeName[0] == '.')
{
// Generic file picker
validator.AssetType = ScriptType.Null;
validator.FileExtension = assetReference.TypeName;
}
else
{
var customType = TypeUtils.GetType(assetReference.TypeName);
if (customType != ScriptType.Null)
validator.AssetType = customType;
else if (!Content.Settings.GameSettings.OptionalPlatformSettings.Contains(assetReference.TypeName))
Debug.LogWarning(string.Format("Unknown asset type '{0}' to use for asset picker filter.", assetReference.TypeName));
else
validator.AssetType = ScriptType.Void;
}
}
}
/// <inheritdoc />
public override void Refresh()
{
@@ -140,4 +142,155 @@ namespace FlaxEditor.CustomEditors.Editors
}
}
}
/// <summary>
/// Default implementation of the inspector used to edit reference to the files via path (absolute or relative to the project).
/// </summary>
/// <remarks>Supports editing reference to the asset via path using various containers: <see cref="Asset"/> or <see cref="AssetItem"/> or <see cref="System.String"/>.</remarks>
public class FilePathEditor : CustomEditor
{
private sealed class TextBoxWithPicker : TextBox
{
private const float DropdownIconMargin = 3.0f;
private const float DropdownIconSize = 12.0f;
private Rectangle DropdownRect => new Rectangle(Width - DropdownIconSize - DropdownIconMargin, DropdownIconMargin, DropdownIconSize, DropdownIconSize);
public Action ShowPicker;
public override void Draw()
{
base.Draw();
var style = FlaxEngine.GUI.Style.Current;
var dropdownRect = DropdownRect;
Render2D.DrawSprite(style.ArrowDown, dropdownRect, Enabled ? (DropdownRect.Contains(PointFromWindow(RootWindow.MousePosition)) ? style.BorderSelected : style.Foreground) : style.ForegroundDisabled);
}
public override bool OnMouseDown(Float2 location, MouseButton button)
{
if (DropdownRect.Contains(ref location))
{
Focus();
ShowPicker();
return true;
}
return base.OnMouseDown(location, button);
}
public override void OnMouseMove(Float2 location)
{
base.OnMouseMove(location);
if (DropdownRect.Contains(ref location))
Cursor = CursorType.Default;
else
Cursor = CursorType.IBeam;
}
protected override Rectangle TextRectangle
{
get
{
var result = base.TextRectangle;
result.Size.X -= DropdownIconSize + DropdownIconMargin * 2;
return result;
}
}
protected override Rectangle TextClipRectangle
{
get
{
var result = base.TextClipRectangle;
result.Size.X -= DropdownIconSize + DropdownIconMargin * 2;
return result;
}
}
}
private TextBoxWithPicker _textBox;
private AssetPickerValidator _validator;
private bool _isRefreshing;
/// <inheritdoc />
public override DisplayStyle Style => DisplayStyle.Inline;
/// <inheritdoc />
public override void Initialize(LayoutElementsContainer layout)
{
if (HasDifferentTypes)
return;
_textBox = layout.Custom<TextBoxWithPicker>().CustomControl;
_textBox.ShowPicker = OnShowPicker;
_textBox.EditEnd += OnEditEnd;
_validator = new AssetPickerValidator(ScriptType.Null);
AssetRefEditor.ApplyAssetReferenceAttribute(Values, out _, _validator);
}
private void OnShowPicker()
{
if (_validator.AssetType != ScriptType.Null)
AssetSearchPopup.Show(_textBox, _textBox.BottomLeft, _validator.IsValid, SetPickerPath);
else
ContentSearchPopup.Show(_textBox, _textBox.BottomLeft, _validator.IsValid, SetPickerPath);
}
private void SetPickerPath(ContentItem item)
{
var path = Utilities.Utils.ToPathProject(item.Path);
SetPath(path);
_isRefreshing = true;
_textBox.Defocus();
_textBox.Text = path;
_isRefreshing = false;
_textBox.RootWindow.Focus();
_textBox.Focus();
}
private void OnEditEnd()
{
SetPath(_textBox.Text);
}
private string GetPath()
{
var value = Values[0];
if (value is AssetItem assetItem)
return Utilities.Utils.ToPathProject(assetItem.Path);
if (value is Asset asset)
return Utilities.Utils.ToPathProject(asset.Path);
if (value is string str)
return str;
return null;
}
private void SetPath(string path)
{
if (_isRefreshing)
return;
var value = Values[0];
if (value is AssetItem)
SetValue(Editor.Instance.ContentDatabase.Find(Utilities.Utils.ToPathAbsolute(path)));
else if (value is Asset)
SetValue(FlaxEngine.Content.LoadAsync(path));
else if (value is string)
SetValue(path);
}
/// <inheritdoc />
public override void Refresh()
{
base.Refresh();
if (!HasDifferentValues)
{
_isRefreshing = true;
_textBox.Text = GetPath();
_isRefreshing = false;
}
}
}
}