void FolderBrowsing()
{
// We are not concerned with assets being added multiple times as we only show the contents
// of each selected folder. This is an issue when searching recursively into child folders.
List <FilterResult> list = new List <FilterResult>();
HierarchyProperty property;
foreach (string folderPath in m_SearchFilter.folders)
{
if (folderPath == PackageManager.Folders.GetPackagesPath())
{
var packages = PackageManagerUtilityInternal.GetAllVisiblePackages(m_SearchFilter.skipHidden);
foreach (var package in packages)
{
var packageFolderInstanceId = AssetDatabase.GetMainAssetOrInProgressProxyInstanceID(package.assetPath);
property = new HierarchyProperty(package.assetPath);
if (property.Find(packageFolderInstanceId, null))
{
FilterResult result = new FilterResult();
CopyPropertyData(ref result, property);
result.name = !string.IsNullOrEmpty(package.displayName) ? package.displayName : package.name;
list.Add(result);
}
}
continue;
}
if (m_SearchFilter.skipHidden && !PackageManagerUtilityInternal.IsPathInVisiblePackage(folderPath))
{
continue;
}
int folderInstanceID = AssetDatabase.GetMainAssetOrInProgressProxyInstanceID(folderPath);
property = new HierarchyProperty(folderPath);
property.SetSearchFilter(m_SearchFilter);
int folderDepth = property.depth;
int[] expanded = { folderInstanceID };
while (property.Next(expanded))
{
if (property.depth <= folderDepth)
{
break; // current property is outside folder
}
FilterResult result = new FilterResult();
CopyPropertyData(ref result, property);
list.Add(result);
// Fetch sub assets by expanding the main asset (ignore folders)
if (property.hasChildren && !property.isFolder)
{
System.Array.Resize(ref expanded, expanded.Length + 1);
expanded[expanded.Length - 1] = property.instanceID;
}
}
}
m_Results = list.ToArray();
}
private static IEnumerator <T> FindInFolders <T>(SearchFilter searchFilter, Func <HierarchyProperty, T> selector)
{
var folders = new List <string>();
folders.AddRange(searchFilter.folders);
if (folders.Remove(PackageManager.Folders.GetPackagesPath()))
{
var packages = PackageManagerUtilityInternal.GetAllVisiblePackages(searchFilter.skipHidden);
foreach (var package in packages)
{
if (!folders.Contains(package.assetPath))
{
folders.Add(package.assetPath);
}
}
}
foreach (var folderPath in folders)
{
var sanitizedFolderPath = folderPath.ConvertSeparatorsToUnity().TrimTrailingSlashes();
var folderInstanceID = AssetDatabase.GetMainAssetOrInProgressProxyInstanceID(sanitizedFolderPath);
var rootPath = "Assets";
// Find the right rootPath if folderPath is part of a package
var packageInfo = PackageManager.PackageInfo.FindForAssetPath(sanitizedFolderPath);
if (packageInfo != null)
{
rootPath = packageInfo.assetPath;
if (searchFilter.skipHidden && !PackageManagerUtilityInternal.IsPathInVisiblePackage(rootPath))
{
continue;
}
}
// Set empty filter to ensure we search all assets to find folder
var property = new HierarchyProperty(rootPath);
property.SetSearchFilter(new SearchFilter());
if (property.Find(folderInstanceID, null))
{
// Set filter after we found the folder
property.SetSearchFilter(searchFilter);
int folderDepth = property.depth;
int[] expanded = null; // enter all children of folder
while (property.NextWithDepthCheck(expanded, folderDepth + 1))
{
yield return(selector(property));
}
}
else
{
Debug.LogWarning("AssetDatabase.FindAssets: Folder not found: '" + sanitizedFolderPath + "'");
}
}
}
internal void Show(UnityObject obj, Type[] requiredTypes, UnityObject objectBeingEdited, bool allowSceneObjects, List <int> allowedInstanceIDs = null, Action <UnityObject> onObjectSelectorClosed = null, Action <UnityObject> onObjectSelectedUpdated = null)
{
m_ObjectSelectorReceiver = null;
m_AllowSceneObjects = allowSceneObjects;
m_IsShowingAssets = true;
m_SkipHiddenPackages = true;
m_AllowedIDs = allowedInstanceIDs;
m_ObjectBeingEdited = objectBeingEdited;
m_LastSelectedInstanceId = obj?.GetInstanceID() ?? 0;
m_SelectionCancelled = false;
m_OnObjectSelectorClosed = onObjectSelectorClosed;
m_OnObjectSelectorUpdated = onObjectSelectedUpdated;
// Do not allow to show scene objects if the object being edited is persistent
if (m_ObjectBeingEdited != null && EditorUtility.IsPersistent(m_ObjectBeingEdited))
{
m_AllowSceneObjects = false;
}
// Set which tab should be visible at startup
if (m_AllowSceneObjects)
{
if (obj != null)
{
if (typeof(Component).IsAssignableFrom(obj.GetType()))
{
obj = ((Component)obj).gameObject;
}
// Set the right tab visible (so we can see our selection)
m_IsShowingAssets = EditorUtility.IsPersistent(obj);
}
else
{
foreach (var requiredType in requiredTypes)
{
m_IsShowingAssets &= (requiredType != typeof(GameObject) && !typeof(Component).IsAssignableFrom(requiredType));
}
}
}
else
{
m_IsShowingAssets = true;
}
// Set member variables
m_DelegateView = GUIView.current;
// type filter requires unqualified names for built-in types, but will prioritize them over user types, so ensure user types are namespace-qualified
if (m_RequiredTypes == null)
{
m_RequiredTypes = new string[requiredTypes.Length];
}
for (int i = 0; i < requiredTypes.Length; i++)
{
if (requiredTypes[i] != null)
{
m_RequiredTypes[i] = typeof(ScriptableObject).IsAssignableFrom(requiredTypes[i]) || typeof(MonoBehaviour).IsAssignableFrom(requiredTypes[i]) ? requiredTypes[i].FullName : requiredTypes[i].Name;
}
}
m_SearchFilter = "";
m_OriginalSelection = obj;
m_ModalUndoGroup = Undo.GetCurrentGroup();
// Show custom selector if available
if (ObjectSelectorSearch.HasEngineOverride())
{
m_SearchSessionHandler.BeginSession(() =>
{
return(new SearchService.ObjectSelectorSearchContext
{
currentObject = obj,
editedObjects = m_EditedProperty != null ? m_EditedProperty.serializedObject.targetObjects : new[] { objectBeingEdited },
requiredTypes = requiredTypes,
requiredTypeNames = m_RequiredTypes,
allowedInstanceIds = allowedInstanceIDs,
visibleObjects = allowSceneObjects ? SearchService.VisibleObjects.All : SearchService.VisibleObjects.Assets,
});
});
Action <UnityObject> onSelectionChanged = selectedObj =>
{
m_LastSelectedInstanceId = selectedObj == null ? 0 : selectedObj.GetInstanceID();
NotifySelectionChanged(false);
};
Action <UnityObject, bool> onSelectorClosed = (selectedObj, canceled) =>
{
m_SearchSessionHandler.EndSession();
if (canceled)
{
// Undo changes we have done in the ObjectSelector
Undo.RevertAllDownToGroup(m_ModalUndoGroup);
m_LastSelectedInstanceId = 0;
m_SelectionCancelled = true;
}
else
{
m_LastSelectedInstanceId = selectedObj == null ? 0 : selectedObj.GetInstanceID();
NotifySelectionChanged(false);
}
m_EditedProperty = null;
NotifySelectorClosed(false);
};
if (m_SearchSessionHandler.SelectObject(onSelectorClosed, onSelectionChanged))
{
return;
}
else
{
m_SearchSessionHandler.EndSession();
}
}
// Freeze to prevent flicker on OSX.
// Screen will be updated again when calling
// SetFreezeDisplay(false) further down.
ContainerWindow.SetFreezeDisplay(true);
var shouldRepositionWindow = m_Parent != null;
ShowWithMode(ShowMode.AuxWindow);
string text = "Select " + (requiredTypes[0] == null ? m_RequiredTypes[0] : requiredTypes[0].Name);
for (int i = 1; i < requiredTypes.Length; i++)
{
text += (i == requiredTypes.Length - 1 ? " or " : ", ") + (requiredTypes[i] == null ? m_RequiredTypes[i] : requiredTypes[i].Name);
}
titleContent = EditorGUIUtility.TrTextContent(text);
// Deal with window size
if (shouldRepositionWindow)
{
m_Parent.window.LoadInCurrentMousePosition();
m_Parent.window.FitWindowToScreen(true);
}
Rect p = m_Parent == null ? new Rect(0, 0, 1, 1) : m_Parent.window.position;
p.width = EditorPrefs.GetFloat("ObjectSelectorWidth", 200);
p.height = EditorPrefs.GetFloat("ObjectSelectorHeight", 390);
position = p;
minSize = new Vector2(kMinWidth, kMinTopSize + kPreviewExpandedAreaHeight + 2 * kPreviewMargin);
maxSize = new Vector2(10000, 10000);
SetupPreview();
// Focus
Focus();
ContainerWindow.SetFreezeDisplay(false);
m_FocusSearchFilter = true;
// Add after unfreezing display because AuxWindowManager.cpp assumes that aux windows are added after we get 'got/lost'- focus calls.
if (m_Parent != null)
{
m_Parent.AddToAuxWindowList();
}
// Initial selection
int initialSelection = obj != null?obj.GetInstanceID() : 0;
if (initialSelection != 0)
{
var assetPath = AssetDatabase.GetAssetPath(initialSelection);
if (m_SkipHiddenPackages && !PackageManagerUtilityInternal.IsPathInVisiblePackage(assetPath))
{
m_SkipHiddenPackages = false;
}
}
if (m_RequiredTypes.All(t => ShouldTreeViewBeUsed(t)))
{
m_ObjectTreeWithSearch.Init(position, this, CreateAndSetTreeView, TreeViewSelection, ItemWasDoubleClicked, initialSelection, 0);
}
else
{
// To frame the selected item we need to wait to initialize the search until our window has been setup
InitIfNeeded();
m_ListArea.InitSelection(new[] { initialSelection });
if (initialSelection != 0)
{
m_ListArea.Frame(initialSelection, true, false);
}
}
}
internal void Show(UnityObject obj, Type requiredType, SerializedProperty property, bool allowSceneObjects, List <int> allowedInstanceIDs, Action <UnityObject> onObjectSelectorClosed, Action <UnityObject> onObjectSelectedUpdated)
{
m_ObjectSelectorReceiver = null;
m_AllowSceneObjects = allowSceneObjects;
m_IsShowingAssets = true;
m_SkipHiddenPackages = true;
m_AllowedIDs = allowedInstanceIDs;
m_OnObjectSelectorClosed = onObjectSelectorClosed;
m_OnObjectSelectorUpdated = onObjectSelectedUpdated;
if (property != null)
{
if (requiredType == null)
{
ScriptAttributeUtility.GetFieldInfoFromProperty(property, out requiredType);
// case 951876: built-in types do not actually have reflectable fields, so their object types must be extracted from the type string
// this works because built-in types will only ever have serialized references to other built-in types, which this window's filter expects as unqualified names
if (requiredType == null)
{
m_RequiredType = s_MatchPPtrTypeName.Match(property.type).Groups[1].Value;
}
}
obj = property.objectReferenceValue;
m_ObjectBeingEdited = property.serializedObject.targetObject;
// Do not allow to show scene objects if the object being edited is persistent
if (m_ObjectBeingEdited != null && EditorUtility.IsPersistent(m_ObjectBeingEdited))
{
m_AllowSceneObjects = false;
}
}
// Set which tab should be visible at startup
if (m_AllowSceneObjects)
{
if (obj != null)
{
if (typeof(Component).IsAssignableFrom(obj.GetType()))
{
obj = ((Component)obj).gameObject;
}
// Set the right tab visible (so we can see our selection)
m_IsShowingAssets = EditorUtility.IsPersistent(obj);
}
else
{
m_IsShowingAssets = (requiredType != typeof(GameObject) && !typeof(Component).IsAssignableFrom(requiredType));
}
}
else
{
m_IsShowingAssets = true;
}
// Set member variables
m_DelegateView = GUIView.current;
// type filter requires unqualified names for built-in types, but will prioritize them over user types, so ensure user types are namespace-qualified
if (requiredType != null)
{
m_RequiredType = typeof(ScriptableObject).IsAssignableFrom(requiredType) || typeof(MonoBehaviour).IsAssignableFrom(requiredType) ? requiredType.FullName : requiredType.Name;
}
m_SearchFilter = "";
m_OriginalSelection = obj;
m_ModalUndoGroup = Undo.GetCurrentGroup();
// Freeze to prevent flicker on OSX.
// Screen will be updated again when calling
// SetFreezeDisplay(false) further down.
ContainerWindow.SetFreezeDisplay(true);
ShowWithMode(ShowMode.AuxWindow);
titleContent = EditorGUIUtility.TrTextContent("Select " + (requiredType == null ? m_RequiredType : requiredType.Name));
// Deal with window size
Rect p = m_Parent == null ? new Rect(0, 0, 1, 1) : m_Parent.window.position;
p.width = EditorPrefs.GetFloat("ObjectSelectorWidth", 200);
p.height = EditorPrefs.GetFloat("ObjectSelectorHeight", 390);
position = p;
minSize = new Vector2(kMinWidth, kMinTopSize + kPreviewExpandedAreaHeight + 2 * kPreviewMargin);
maxSize = new Vector2(10000, 10000);
SetupPreview();
// Focus
Focus();
ContainerWindow.SetFreezeDisplay(false);
m_FocusSearchFilter = true;
// Add after unfreezing display because AuxWindowManager.cpp assumes that aux windows are added after we get 'got/lost'- focus calls.
if (m_Parent != null)
{
m_Parent.AddToAuxWindowList();
}
// Initial selection
int initialSelection = obj != null?obj.GetInstanceID() : 0;
if (property != null && property.hasMultipleDifferentValues)
{
initialSelection = 0; // don't select anything on multi selection
}
if (initialSelection != 0)
{
var assetPath = AssetDatabase.GetAssetPath(initialSelection);
if (m_SkipHiddenPackages && !PackageManagerUtilityInternal.IsPathInVisiblePackage(assetPath))
{
m_SkipHiddenPackages = false;
}
}
if (ShouldTreeViewBeUsed(m_RequiredType))
{
m_ObjectTreeWithSearch.Init(position, this, CreateAndSetTreeView, TreeViewSelection, ItemWasDoubleClicked, initialSelection, 0);
}
else
{
// To frame the selected item we need to wait to initialize the search until our window has been setup
InitIfNeeded();
m_ListArea.InitSelection(new[] { initialSelection });
if (initialSelection != 0)
{
m_ListArea.Frame(initialSelection, true, false);
}
}
}