diff --git a/Source/Editor/CustomEditors/Editors/AssetRefEditor.cs b/Source/Editor/CustomEditors/Editors/AssetRefEditor.cs
index cfba940c2..1f3359fd5 100644
--- a/Source/Editor/CustomEditors/Editors/AssetRefEditor.cs
+++ b/Source/Editor/CustomEditors/Editors/AssetRefEditor.cs
@@ -71,7 +71,7 @@ namespace FlaxEditor.CustomEditors.Editors
{
// Generic file picker
assetType = ScriptType.Null;
- Picker.FileExtension = assetReference.TypeName;
+ Picker.Validator.FileExtension = assetReference.TypeName;
}
else
{
@@ -85,7 +85,7 @@ namespace FlaxEditor.CustomEditors.Editors
}
}
- Picker.AssetType = assetType;
+ Picker.Validator.AssetType = assetType;
Picker.Height = height;
Picker.SelectedItemChanged += OnSelectedItemChanged;
}
@@ -95,15 +95,15 @@ namespace FlaxEditor.CustomEditors.Editors
if (_isRefreshing)
return;
if (typeof(AssetItem).IsAssignableFrom(_valueType.Type))
- SetValue(Picker.SelectedItem);
+ SetValue(Picker.Validator.SelectedItem);
else if (_valueType.Type == typeof(Guid))
- SetValue(Picker.SelectedID);
+ SetValue(Picker.Validator.SelectedID);
else if (_valueType.Type == typeof(SceneReference))
- SetValue(new SceneReference(Picker.SelectedID));
+ SetValue(new SceneReference(Picker.Validator.SelectedID));
else if (_valueType.Type == typeof(string))
- SetValue(Picker.SelectedPath);
+ SetValue(Picker.Validator.SelectedPath);
else
- SetValue(Picker.SelectedAsset);
+ SetValue(Picker.Validator.SelectedAsset);
}
///
@@ -115,15 +115,15 @@ namespace FlaxEditor.CustomEditors.Editors
{
_isRefreshing = true;
if (Values[0] is AssetItem assetItem)
- Picker.SelectedItem = assetItem;
+ Picker.Validator.SelectedItem = assetItem;
else if (Values[0] is Guid guid)
- Picker.SelectedID = guid;
+ Picker.Validator.SelectedID = guid;
else if (Values[0] is SceneReference sceneAsset)
- Picker.SelectedItem = Editor.Instance.ContentDatabase.FindAsset(sceneAsset.ID);
+ Picker.Validator.SelectedItem = Editor.Instance.ContentDatabase.FindAsset(sceneAsset.ID);
else if (Values[0] is string path)
- Picker.SelectedPath = path;
+ Picker.Validator.SelectedPath = path;
else
- Picker.SelectedAsset = Values[0] as Asset;
+ Picker.Validator.SelectedAsset = Values[0] as Asset;
_isRefreshing = false;
}
}
diff --git a/Source/Editor/CustomEditors/Editors/ModelInstanceEntryEditor.cs b/Source/Editor/CustomEditors/Editors/ModelInstanceEntryEditor.cs
index 9607680f2..c215a5ab7 100644
--- a/Source/Editor/CustomEditors/Editors/ModelInstanceEntryEditor.cs
+++ b/Source/Editor/CustomEditors/Editors/ModelInstanceEntryEditor.cs
@@ -72,14 +72,14 @@ namespace FlaxEditor.CustomEditors.Editors
return;
_isRefreshing = true;
var slots = _modelInstance.MaterialSlots;
- var material = _materialEditor.Picker.SelectedAsset as MaterialBase;
+ var material = _materialEditor.Picker.Validator.SelectedAsset as MaterialBase;
var defaultMaterial = GPUDevice.Instance.DefaultMaterial;
var value = (ModelInstanceEntry)Values[0];
var prevMaterial = value.Material;
if (!material)
{
// Fallback to default material
- _materialEditor.Picker.SelectedAsset = defaultMaterial;
+ _materialEditor.Picker.Validator.SelectedAsset = defaultMaterial;
value.Material = defaultMaterial;
}
else if (material == slots[_entryIndex].Material)
diff --git a/Source/Editor/GUI/AssetPicker.cs b/Source/Editor/GUI/AssetPicker.cs
index 8d6b0f9e2..1476832c4 100644
--- a/Source/Editor/GUI/AssetPicker.cs
+++ b/Source/Editor/GUI/AssetPicker.cs
@@ -5,6 +5,7 @@ using System.IO;
using FlaxEditor.Content;
using FlaxEditor.GUI.Drag;
using FlaxEditor.Scripting;
+using FlaxEditor.Utilities;
using FlaxEngine;
using FlaxEngine.GUI;
using FlaxEngine.Utilities;
@@ -17,189 +18,21 @@ namespace FlaxEditor.GUI
///
///
[HideInEditor]
- public class AssetPicker : Control, IContentItemOwner
+ public class AssetPicker : Control
{
private const float DefaultIconSize = 64;
private const float ButtonsOffset = 2;
private const float ButtonsSize = 12;
- private Asset _selected;
- private ContentItem _selectedItem;
- private ScriptType _type;
- private string _fileExtension;
-
private bool _isMouseDown;
private Float2 _mouseDownPos;
private Float2 _mousePos;
private DragItems _dragOverElement;
///
- /// Gets or sets the selected item.
+ /// The asset validator. Used to ensure only appropriate items can be picked.
///
- public ContentItem SelectedItem
- {
- get => _selectedItem;
- set
- {
- if (_selectedItem == value)
- return;
- if (value == null)
- {
- if (_selected == null && _selectedItem is SceneItem)
- {
- // Deselect scene reference
- _selectedItem.RemoveReference(this);
- _selectedItem = null;
- _selected = null;
- OnSelectedItemChanged();
- return;
- }
-
- // Deselect
- _selectedItem?.RemoveReference(this);
- _selectedItem = null;
- _selected = null;
- OnSelectedItemChanged();
- }
- else if (value is SceneItem item)
- {
- if (_selectedItem == item)
- return;
- if (!IsValid(item))
- item = null;
-
- // Change value to scene reference (cannot load asset because scene can be already loaded - duplicated ID issue)
- _selectedItem?.RemoveReference(this);
- _selectedItem = item;
- _selected = null;
- _selectedItem?.AddReference(this);
- OnSelectedItemChanged();
- }
- else if (value is AssetItem assetItem)
- {
- SelectedAsset = FlaxEngine.Content.LoadAsync(assetItem.ID);
- }
- else
- {
- // Change value
- _selectedItem?.RemoveReference(this);
- _selectedItem = value;
- _selected = null;
- OnSelectedItemChanged();
- }
- }
- }
-
- ///
- /// Gets or sets the selected asset identifier.
- ///
- public Guid SelectedID
- {
- get
- {
- if (_selected != null)
- return _selected.ID;
- if (_selectedItem is AssetItem assetItem)
- return assetItem.ID;
- return Guid.Empty;
- }
- set => SelectedItem = Editor.Instance.ContentDatabase.FindAsset(value);
- }
-
- ///
- /// Gets or sets the selected content item path.
- ///
- public string SelectedPath
- {
- get
- {
- string path = _selectedItem?.Path ?? _selected?.Path;
- if (path != null)
- {
- // Convert into path relative to the project (cross-platform)
- var projectFolder = Globals.ProjectFolder;
- if (path.StartsWith(projectFolder))
- path = path.Substring(projectFolder.Length + 1);
- }
- return path;
- }
- set
- {
- if (string.IsNullOrEmpty(value))
- {
- SelectedItem = null;
- }
- else
- {
- var path = StringUtils.IsRelative(value) ? Path.Combine(Globals.ProjectFolder, value) : value;
- SelectedItem = Editor.Instance.ContentDatabase.Find(path);
- }
- }
- }
-
- ///
- /// Gets or sets the selected asset object.
- ///
- public Asset SelectedAsset
- {
- get => _selected;
- set
- {
- // Check if value won't change
- if (value == _selected)
- return;
-
- // Find item from content database and check it
- var item = value ? Editor.Instance.ContentDatabase.FindAsset(value.ID) : null;
- if (item != null && !IsValid(item))
- item = null;
-
- // Change value
- _selectedItem?.RemoveReference(this);
- _selectedItem = item;
- _selected = value;
- _selectedItem?.AddReference(this);
- OnSelectedItemChanged();
- }
- }
-
- ///
- /// Gets or sets the assets types that this picker accepts (it supports types derived from the given type). Use for generic file picker.
- ///
- public ScriptType AssetType
- {
- get => _type;
- set
- {
- if (_type != value)
- {
- _type = value;
-
- // Auto deselect if the current value is invalid
- if (_selectedItem != null && !IsValid(_selectedItem))
- SelectedItem = null;
- }
- }
- }
-
- ///
- /// Gets or sets the content items extensions filter. Null if unused.
- ///
- public string FileExtension
- {
- get => _fileExtension;
- set
- {
- if (_fileExtension != value)
- {
- _fileExtension = value;
-
- // Auto deselect if the current value is invalid
- if (_selectedItem != null && !IsValid(_selectedItem))
- SelectedItem = null;
- }
- }
- }
+ public AssetPickerValidator Validator { get; }
///
/// Occurs when selected item gets changed.
@@ -216,38 +49,6 @@ namespace FlaxEditor.GUI
///
public bool CanEdit = true;
- private bool IsValid(ContentItem item)
- {
- if (_fileExtension != null && !item.Path.EndsWith(_fileExtension))
- return false;
- if (CheckValid != null && !CheckValid(item))
- return false;
- if (_type == ScriptType.Null)
- return true;
-
- if (item is AssetItem assetItem)
- {
- // Faster path for binary items (in-built)
- if (assetItem is BinaryAssetItem binaryItem)
- return _type.IsAssignableFrom(new ScriptType(binaryItem.Type));
-
- // Type filter
- var type = TypeUtils.GetType(assetItem.TypeName);
- if (_type.IsAssignableFrom(type))
- return true;
-
- // Json assets can contain any type of the object defined by the C# type (data oriented design)
- if (assetItem is JsonAssetItem && (_type.Type == typeof(JsonAsset) || _type.Type == typeof(Asset)))
- return true;
-
- // Special case for scene asset references
- if (_type.Type == typeof(SceneReference) && assetItem is SceneItem)
- return true;
- }
-
- return false;
- }
-
///
/// Initializes a new instance of the class.
///
@@ -264,7 +65,8 @@ namespace FlaxEditor.GUI
public AssetPicker(ScriptType assetType, Float2 location)
: base(location, new Float2(DefaultIconSize + ButtonsOffset + ButtonsSize, DefaultIconSize))
{
- _type = assetType;
+ Validator = new AssetPickerValidator(assetType);
+ Validator.SelectedItemChanged += OnSelectedItemChanged;
_mousePos = Float2.Minimum;
}
@@ -275,10 +77,10 @@ namespace FlaxEditor.GUI
{
// Update tooltip
string tooltip;
- if (_selectedItem is AssetItem assetItem)
+ if (Validator.SelectedItem is AssetItem assetItem)
tooltip = assetItem.NamePath;
else
- tooltip = SelectedPath;
+ tooltip = Validator.SelectedPath;
TooltipText = tooltip;
SelectedItemChanged?.Invoke();
@@ -289,37 +91,13 @@ namespace FlaxEditor.GUI
// Do the drag drop operation if has selected element
if (new Rectangle(Float2.Zero, Size).Contains(ref _mouseDownPos))
{
- if (_selected != null)
- DoDragDrop(DragAssets.GetDragData(_selected));
- else if (_selectedItem != null)
- DoDragDrop(DragItems.GetDragData(_selectedItem));
+ if (Validator.SelectedAsset != null)
+ DoDragDrop(DragAssets.GetDragData(Validator.SelectedAsset));
+ else if (Validator.SelectedItem != null)
+ DoDragDrop(DragItems.GetDragData(Validator.SelectedItem));
}
}
- ///
- public void OnItemDeleted(ContentItem item)
- {
- // Deselect item
- SelectedItem = null;
- }
-
- ///
- public void OnItemRenamed(ContentItem item)
- {
- }
-
- ///
- public void OnItemReimported(ContentItem item)
- {
- }
-
- ///
- public void OnItemDispose(ContentItem item)
- {
- // Deselect item
- SelectedItem = null;
- }
-
private Rectangle IconRect => new Rectangle(0, 0, Height, Height);
private Rectangle Button1Rect => new Rectangle(Height + ButtonsOffset, 0, ButtonsSize, ButtonsSize);
@@ -341,10 +119,10 @@ namespace FlaxEditor.GUI
if (CanEdit)
Render2D.DrawSprite(style.ArrowDown, button1Rect, button1Rect.Contains(_mousePos) ? style.Foreground : style.ForegroundGrey);
- if (_selectedItem != null)
+ if (Validator.SelectedItem != null)
{
// Draw item preview
- _selectedItem.DrawThumbnail(ref iconRect);
+ Validator.SelectedItem.DrawThumbnail(ref iconRect);
// Draw buttons
if (CanEdit)
@@ -363,7 +141,7 @@ namespace FlaxEditor.GUI
{
Render2D.DrawText(
style.FontSmall,
- _selectedItem.ShortName,
+ Validator.SelectedItem.ShortName,
new Rectangle(button1Rect.Right + 2, 0, sizeForTextLeft, ButtonsSize),
style.Foreground,
TextAlignment.Near,
@@ -371,7 +149,7 @@ namespace FlaxEditor.GUI
}
}
// Check if has no item but has an asset (eg. virtual asset)
- else if (_selected)
+ else if (Validator.SelectedAsset)
{
// Draw remove button
Render2D.DrawSprite(style.Cross, button3Rect, button3Rect.Contains(_mousePos) ? style.Foreground : style.ForegroundGrey);
@@ -380,8 +158,8 @@ namespace FlaxEditor.GUI
float sizeForTextLeft = Width - button1Rect.Right;
if (sizeForTextLeft > 30)
{
- var name = _selected.GetType().Name;
- if (_selected.IsVirtual)
+ var name = Validator.SelectedAsset.GetType().Name;
+ if (Validator.SelectedAsset.IsVirtual)
name += " (virtual)";
Render2D.DrawText(
style.FontSmall,
@@ -407,9 +185,7 @@ namespace FlaxEditor.GUI
///
public override void OnDestroy()
{
- _selectedItem?.RemoveReference(this);
- _selectedItem = null;
- _selected = null;
+ Validator.OnDestroy();
base.OnDestroy();
}
@@ -463,57 +239,57 @@ namespace FlaxEditor.GUI
// Buttons logic
if (!CanEdit)
{
- if (Button1Rect.Contains(location) && _selectedItem != null)
+ if (Button1Rect.Contains(location) && Validator.SelectedItem != null)
{
// Select asset
- Editor.Instance.Windows.ContentWin.Select(_selectedItem);
+ Editor.Instance.Windows.ContentWin.Select(Validator.SelectedItem);
}
}
else if (Button1Rect.Contains(location))
{
Focus();
- if (_type != ScriptType.Null)
+ if (Validator.AssetType != ScriptType.Null)
{
// Show asset picker popup
- var popup = AssetSearchPopup.Show(this, Button1Rect.BottomLeft, IsValid, item =>
+ var popup = AssetSearchPopup.Show(this, Button1Rect.BottomLeft, Validator.IsValid, item =>
{
- SelectedItem = item;
+ Validator.SelectedItem = item;
RootWindow.Focus();
Focus();
});
- if (_selected != null)
+ if (Validator.SelectedAsset != null)
{
- var selectedAssetName = Path.GetFileNameWithoutExtension(_selected.Path);
+ var selectedAssetName = Path.GetFileNameWithoutExtension(Validator.SelectedAsset.Path);
popup.ScrollToAndHighlightItemByName(selectedAssetName);
}
}
else
{
// Show content item picker popup
- var popup = ContentSearchPopup.Show(this, Button1Rect.BottomLeft, IsValid, item =>
+ var popup = ContentSearchPopup.Show(this, Button1Rect.BottomLeft, Validator.IsValid, item =>
{
- SelectedItem = item;
+ Validator.SelectedItem = item;
RootWindow.Focus();
Focus();
});
- if (_selectedItem != null)
+ if (Validator.SelectedItem != null)
{
- popup.ScrollToAndHighlightItemByName(_selectedItem.ShortName);
+ popup.ScrollToAndHighlightItemByName(Validator.SelectedItem.ShortName);
}
}
}
- else if (_selected != null || _selectedItem != null)
+ else if (Validator.SelectedAsset != null || Validator.SelectedItem != null)
{
- if (Button2Rect.Contains(location) && _selectedItem != null)
+ if (Button2Rect.Contains(location) && Validator.SelectedItem != null)
{
// Select asset
- Editor.Instance.Windows.ContentWin.Select(_selectedItem);
+ Editor.Instance.Windows.ContentWin.Select(Validator.SelectedItem);
}
else if (Button3Rect.Contains(location))
{
// Deselect asset
Focus();
- SelectedItem = null;
+ Validator.SelectedItem = null;
}
}
}
@@ -540,10 +316,10 @@ namespace FlaxEditor.GUI
{
Focus();
- if (_selectedItem != null && IconRect.Contains(location))
+ if (Validator.SelectedItem != null && IconRect.Contains(location))
{
// Open it
- Editor.Instance.ContentEditing.Open(_selectedItem);
+ Editor.Instance.ContentEditing.Open(Validator.SelectedItem);
}
// Handled
@@ -557,7 +333,7 @@ namespace FlaxEditor.GUI
// Check if drop asset
if (_dragOverElement == null)
- _dragOverElement = new DragItems(IsValid);
+ _dragOverElement = new DragItems(Validator.IsValid);
if (CanEdit && _dragOverElement.OnDragEnter(data))
{
}
@@ -590,7 +366,7 @@ namespace FlaxEditor.GUI
if (CanEdit && _dragOverElement.HasValidDrag)
{
// Select element
- SelectedItem = _dragOverElement.Objects[0];
+ Validator.SelectedItem = _dragOverElement.Objects[0];
}
// Clear cache
diff --git a/Source/Editor/GUI/Timeline/Tracks/SingleMediaAssetTrack.cs b/Source/Editor/GUI/Timeline/Tracks/SingleMediaAssetTrack.cs
index b7c87cb01..3bbca15ef 100644
--- a/Source/Editor/GUI/Timeline/Tracks/SingleMediaAssetTrack.cs
+++ b/Source/Editor/GUI/Timeline/Tracks/SingleMediaAssetTrack.cs
@@ -39,7 +39,7 @@ namespace FlaxEditor.GUI.Timeline.Tracks
if (AssetID == value?.ID)
return;
AssetID = value?.ID ?? Guid.Empty;
- _picker.SelectedAsset = value;
+ _picker.Validator.SelectedAsset = value;
OnAssetChanged();
Timeline?.MarkAsEdited();
}
@@ -63,10 +63,10 @@ namespace FlaxEditor.GUI.Timeline.Tracks
private void OnPickerSelectedItemChanged()
{
- if (Asset == (TAsset)_picker.SelectedAsset)
+ if (Asset == (TAsset)_picker.Validator.SelectedAsset)
return;
using (new TrackUndoBlock(this))
- Asset = (TAsset)_picker.SelectedAsset;
+ Asset = (TAsset)_picker.Validator.SelectedAsset;
}
///
diff --git a/Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs b/Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs
index 9773e9695..7c3aa4f13 100644
--- a/Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs
+++ b/Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs
@@ -465,7 +465,7 @@ namespace FlaxEditor.Surface.Archetypes
if (selectedIndex != -1)
{
var index = 5 + selectedIndex * 2;
- SetValue(index, _animationPicker.SelectedID);
+ SetValue(index, _animationPicker.Validator.SelectedID);
}
}
@@ -495,7 +495,7 @@ namespace FlaxEditor.Surface.Archetypes
{
if (isValid)
{
- _animationPicker.SelectedID = data1;
+ _animationPicker.Validator.SelectedID = data1;
_animationSpeed.Value = data0.W;
var path = string.Empty;
@@ -505,7 +505,7 @@ namespace FlaxEditor.Surface.Archetypes
}
else
{
- _animationPicker.SelectedID = Guid.Empty;
+ _animationPicker.Validator.SelectedID = Guid.Empty;
_animationSpeed.Value = 1.0f;
}
_animationPicker.Enabled = isValid;
diff --git a/Source/Editor/Surface/Archetypes/Function.cs b/Source/Editor/Surface/Archetypes/Function.cs
index 7d12a0625..b7df90728 100644
--- a/Source/Editor/Surface/Archetypes/Function.cs
+++ b/Source/Editor/Surface/Archetypes/Function.cs
@@ -95,7 +95,7 @@ namespace FlaxEditor.Surface.Archetypes
private void OnAssetPickerSelectedItemChanged()
{
- SetValue(0, _assetPicker.SelectedID);
+ SetValue(0, _assetPicker.Validator.SelectedID);
}
private void TryRestoreConnections(Box box, Box[] prevBoxes, ref NodeElementArchetype arch)
@@ -133,7 +133,7 @@ namespace FlaxEditor.Surface.Archetypes
var prevOutputs = _outputs;
// Extract function signature parameters (inputs and outputs packed)
- _asset = LoadSignature(_assetPicker.SelectedID, out var typeNames, out var names);
+ _asset = LoadSignature(_assetPicker.Validator.SelectedID, out var typeNames, out var names);
if (typeNames != null && names != null)
{
var types = new Type[typeNames.Length];
@@ -174,7 +174,7 @@ namespace FlaxEditor.Surface.Archetypes
_outputs[i] = box;
}
- Title = _assetPicker.SelectedItem.ShortName;
+ Title = _assetPicker.Validator.SelectedItem.ShortName;
}
else
{
diff --git a/Source/Editor/Surface/Elements/AssetSelect.cs b/Source/Editor/Surface/Elements/AssetSelect.cs
index e38989e08..5984ce9aa 100644
--- a/Source/Editor/Surface/Elements/AssetSelect.cs
+++ b/Source/Editor/Surface/Elements/AssetSelect.cs
@@ -38,13 +38,13 @@ namespace FlaxEditor.Surface.Elements
private void OnNodeValuesChanged()
{
- SelectedID = (Guid)ParentNode.Values[Archetype.ValueIndex];
+ Validator.SelectedID = (Guid)ParentNode.Values[Archetype.ValueIndex];
}
///
protected override void OnSelectedItemChanged()
{
- var selectedId = SelectedID;
+ var selectedId = Validator.SelectedID;
if (ParentNode != null && (Guid)ParentNode.Values[Archetype.ValueIndex] != selectedId)
{
ParentNode.SetValue(Archetype.ValueIndex, selectedId);
diff --git a/Source/Editor/Tools/Terrain/EditTab.cs b/Source/Editor/Tools/Terrain/EditTab.cs
index 008be64f4..d52c1ae1d 100644
--- a/Source/Editor/Tools/Terrain/EditTab.cs
+++ b/Source/Editor/Tools/Terrain/EditTab.cs
@@ -290,7 +290,7 @@ namespace FlaxEditor.Tools.Terrain
var patchCoord = Gizmo.SelectedPatchCoord;
var chunkCoord = Gizmo.SelectedChunkCoord;
- var action = new EditChunkMaterialAction(CarveTab.SelectedTerrain, ref patchCoord, ref chunkCoord, _chunkOverrideMaterial.SelectedAsset as MaterialBase);
+ var action = new EditChunkMaterialAction(CarveTab.SelectedTerrain, ref patchCoord, ref chunkCoord, _chunkOverrideMaterial.Validator.SelectedAsset as MaterialBase);
action.Do();
CarveTab.Editor.Undo.AddAction(action);
}
@@ -336,12 +336,12 @@ namespace FlaxEditor.Tools.Terrain
_isUpdatingUI = true;
if (terrain.HasPatch(ref patchCoord))
{
- _chunkOverrideMaterial.SelectedAsset = terrain.GetChunkOverrideMaterial(ref patchCoord, ref chunkCoord);
+ _chunkOverrideMaterial.Validator.SelectedAsset = terrain.GetChunkOverrideMaterial(ref patchCoord, ref chunkCoord);
_chunkOverrideMaterial.Enabled = true;
}
else
{
- _chunkOverrideMaterial.SelectedAsset = null;
+ _chunkOverrideMaterial.Validator.SelectedAsset = null;
_chunkOverrideMaterial.Enabled = false;
}
_isUpdatingUI = false;
diff --git a/Source/Editor/Utilities/AssetPickerValidator.cs b/Source/Editor/Utilities/AssetPickerValidator.cs
new file mode 100644
index 000000000..356a33534
--- /dev/null
+++ b/Source/Editor/Utilities/AssetPickerValidator.cs
@@ -0,0 +1,293 @@
+using System;
+using System.IO;
+using FlaxEditor.Content;
+using FlaxEditor.Scripting;
+using FlaxEngine;
+using FlaxEngine.Utilities;
+
+namespace FlaxEditor.Utilities;
+
+///
+/// Manages and converts the selected content item to the appropriate types. Useful for drag operations.
+///
+public class AssetPickerValidator: IContentItemOwner
+{
+ private Asset _selected;
+ private ContentItem _selectedItem;
+ private ScriptType _type;
+ private string _fileExtension;
+
+ ///
+ /// Gets or sets the selected item.
+ ///
+ public ContentItem SelectedItem
+ {
+ get => _selectedItem;
+ set
+ {
+ if (_selectedItem == value)
+ return;
+ if (value == null)
+ {
+ if (_selected == null && _selectedItem is SceneItem)
+ {
+ // Deselect scene reference
+ _selectedItem.RemoveReference(this);
+ _selectedItem = null;
+ _selected = null;
+ OnSelectedItemChanged();
+ return;
+ }
+
+ // Deselect
+ _selectedItem?.RemoveReference(this);
+ _selectedItem = null;
+ _selected = null;
+ OnSelectedItemChanged();
+ }
+ else if (value is SceneItem item)
+ {
+ if (_selectedItem == item)
+ return;
+ if (!IsValid(item))
+ item = null;
+
+ // Change value to scene reference (cannot load asset because scene can be already loaded - duplicated ID issue)
+ _selectedItem?.RemoveReference(this);
+ _selectedItem = item;
+ _selected = null;
+ _selectedItem?.AddReference(this);
+ OnSelectedItemChanged();
+ }
+ else if (value is AssetItem assetItem)
+ {
+ SelectedAsset = FlaxEngine.Content.LoadAsync(assetItem.ID);
+ }
+ else
+ {
+ // Change value
+ _selectedItem?.RemoveReference(this);
+ _selectedItem = value;
+ _selected = null;
+ OnSelectedItemChanged();
+ }
+ }
+ }
+
+ ///
+ /// Gets or sets the selected asset identifier.
+ ///
+ public Guid SelectedID
+ {
+ get
+ {
+ if (_selected != null)
+ return _selected.ID;
+ if (_selectedItem is AssetItem assetItem)
+ return assetItem.ID;
+ return Guid.Empty;
+ }
+ set => SelectedItem = Editor.Instance.ContentDatabase.FindAsset(value);
+ }
+
+ ///
+ /// Gets or sets the selected content item path.
+ ///
+ public string SelectedPath
+ {
+ get
+ {
+ string path = _selectedItem?.Path ?? _selected?.Path;
+ if (path != null)
+ {
+ // Convert into path relative to the project (cross-platform)
+ var projectFolder = Globals.ProjectFolder;
+ if (path.StartsWith(projectFolder))
+ path = path.Substring(projectFolder.Length + 1);
+ }
+ return path;
+ }
+ set
+ {
+ if (string.IsNullOrEmpty(value))
+ {
+ SelectedItem = null;
+ }
+ else
+ {
+ var path = StringUtils.IsRelative(value) ? Path.Combine(Globals.ProjectFolder, value) : value;
+ SelectedItem = Editor.Instance.ContentDatabase.Find(path);
+ }
+ }
+ }
+
+ ///
+ /// Gets or sets the selected asset object.
+ ///
+ public Asset SelectedAsset
+ {
+ get => _selected;
+ set
+ {
+ // Check if value won't change
+ if (value == _selected)
+ return;
+
+ // Find item from content database and check it
+ var item = value ? Editor.Instance.ContentDatabase.FindAsset(value.ID) : null;
+ if (item != null && !IsValid(item))
+ item = null;
+
+ // Change value
+ _selectedItem?.RemoveReference(this);
+ _selectedItem = item;
+ _selected = value;
+ _selectedItem?.AddReference(this);
+ OnSelectedItemChanged();
+ }
+ }
+
+ ///
+ /// Gets or sets the assets types that this picker accepts (it supports types derived from the given type). Use for generic file picker.
+ ///
+ public ScriptType AssetType
+ {
+ get => _type;
+ set
+ {
+ if (_type != value)
+ {
+ _type = value;
+
+ // Auto deselect if the current value is invalid
+ if (_selectedItem != null && !IsValid(_selectedItem))
+ SelectedItem = null;
+ }
+ }
+ }
+
+ ///
+ /// Gets or sets the content items extensions filter. Null if unused.
+ ///
+ public string FileExtension
+ {
+ get => _fileExtension;
+ set
+ {
+ if (_fileExtension != value)
+ {
+ _fileExtension = value;
+
+ // Auto deselect if the current value is invalid
+ if (_selectedItem != null && !IsValid(_selectedItem))
+ SelectedItem = null;
+ }
+ }
+ }
+
+ ///
+ /// Occurs when selected item gets changed.
+ ///
+ public event Action SelectedItemChanged;
+
+ ///
+ /// The custom callback for assets validation. Cane be used to implement a rule for assets to pick.
+ ///
+ public Func CheckValid;
+
+ ///
+ /// Returns whether item is valid.
+ ///
+ ///
+ ///
+ public bool IsValid(ContentItem item)
+ {
+ if (_fileExtension != null && !item.Path.EndsWith(_fileExtension))
+ return false;
+ if (CheckValid != null && !CheckValid(item))
+ return false;
+ if (_type == ScriptType.Null)
+ return true;
+
+ if (item is AssetItem assetItem)
+ {
+ // Faster path for binary items (in-built)
+ if (assetItem is BinaryAssetItem binaryItem)
+ return _type.IsAssignableFrom(new ScriptType(binaryItem.Type));
+
+ // Type filter
+ var type = TypeUtils.GetType(assetItem.TypeName);
+ if (_type.IsAssignableFrom(type))
+ return true;
+
+ // Json assets can contain any type of the object defined by the C# type (data oriented design)
+ if (assetItem is JsonAssetItem && (_type.Type == typeof(JsonAsset) || _type.Type == typeof(Asset)))
+ return true;
+
+ // Special case for scene asset references
+ if (_type.Type == typeof(SceneReference) && assetItem is SceneItem)
+ return true;
+ }
+
+ return false;
+ }
+
+ ///
+ /// Initializes a new instance of the class.
+ ///
+ public AssetPickerValidator()
+ : this(new ScriptType(typeof(Asset)))
+ {
+ }
+
+ ///
+ /// Initializes a new instance of the class.
+ ///
+ /// The assets types that this picker accepts.
+ public AssetPickerValidator(ScriptType assetType)
+ {
+ _type = assetType;
+ }
+
+ ///
+ /// Called when selected item gets changed.
+ ///
+ protected virtual void OnSelectedItemChanged()
+ {
+ SelectedItemChanged?.Invoke();
+ }
+
+ ///
+ public void OnItemDeleted(ContentItem item)
+ {
+ // Deselect item
+ SelectedItem = null;
+ }
+
+ ///
+ public void OnItemRenamed(ContentItem item)
+ {
+ }
+
+ ///
+ public void OnItemReimported(ContentItem item)
+ {
+ }
+
+ ///
+ public void OnItemDispose(ContentItem item)
+ {
+ // Deselect item
+ SelectedItem = null;
+ }
+
+ ///
+ /// Call to remove reference from the selected item.
+ ///
+ public void OnDestroy()
+ {
+ _selectedItem?.RemoveReference(this);
+ _selectedItem = null;
+ _selected = null;
+ }
+}
diff --git a/Source/Editor/Windows/AssetReferencesGraphWindow.cs b/Source/Editor/Windows/AssetReferencesGraphWindow.cs
index d49896e2e..b9e0e7257 100644
--- a/Source/Editor/Windows/AssetReferencesGraphWindow.cs
+++ b/Source/Editor/Windows/AssetReferencesGraphWindow.cs
@@ -46,14 +46,14 @@ namespace FlaxEditor.Windows
if (asset != null)
{
var path = asset.Path;
- picker.SelectedAsset = asset;
+ picker.Validator.SelectedAsset = asset;
Title = System.IO.Path.GetFileNameWithoutExtension(path);
TooltipText = asset.TypeName + '\n' + path;
}
else
{
- picker.SelectedID = AssetId;
- var assetItem = picker.SelectedItem as AssetItem;
+ picker.Validator.SelectedID = AssetId;
+ var assetItem = picker.Validator.SelectedItem as AssetItem;
if (assetItem != null)
{
Title = assetItem.ShortName;
diff --git a/Source/Editor/Windows/Assets/SkinnedModelWindow.cs b/Source/Editor/Windows/Assets/SkinnedModelWindow.cs
index d8790172b..ccfd5233c 100644
--- a/Source/Editor/Windows/Assets/SkinnedModelWindow.cs
+++ b/Source/Editor/Windows/Assets/SkinnedModelWindow.cs
@@ -837,7 +837,7 @@ namespace FlaxEditor.Windows.Assets
sourceAssetPicker.CheckValid = CheckSourceAssetValid;
sourceAssetPicker.SelectedItemChanged += () =>
{
- proxy.Setups.Add(sourceAssetPicker.SelectedAsset, new SetupProxy());
+ proxy.Setups.Add(sourceAssetPicker.Validator.SelectedAsset, new SetupProxy());
proxy.Window.MarkAsEdited();
RebuildLayout();
};
@@ -856,7 +856,7 @@ namespace FlaxEditor.Windows.Assets
// Source asset picker
var sourceAssetPicker = setupGroup.AddPropertyItem("Source Asset").Custom().CustomControl;
- sourceAssetPicker.SelectedAsset = sourceAsset;
+ sourceAssetPicker.Validator.SelectedAsset = sourceAsset;
sourceAssetPicker.CanEdit = false;
sourceAssetPicker.Height = 48;
@@ -916,12 +916,12 @@ namespace FlaxEditor.Windows.Assets
{
// Show skeleton asset picker
var sourceSkeletonPicker = setupGroup.AddPropertyItem("Skeleton", "Skinned model that contains a skeleton for this animation retargeting.").Custom().CustomControl;
- sourceSkeletonPicker.AssetType = new ScriptType(typeof(SkinnedModel));
- sourceSkeletonPicker.SelectedAsset = setup.Value.Skeleton;
+ sourceSkeletonPicker.Validator.AssetType = new ScriptType(typeof(SkinnedModel));
+ sourceSkeletonPicker.Validator.SelectedAsset = setup.Value.Skeleton;
sourceSkeletonPicker.Height = 48;
sourceSkeletonPicker.SelectedItemChanged += () =>
{
- setup.Value.Skeleton = (SkinnedModel)sourceSkeletonPicker.SelectedAsset;
+ setup.Value.Skeleton = (SkinnedModel)sourceSkeletonPicker.Validator.SelectedAsset;
proxy.Window.MarkAsEdited();
};
}