static void SetupObjectReference(SerializedProperty property, GenericMenu menu, Event evt)
{
var hasPasteObject = Clipboard.hasObject;
var hasPasteGuid = Clipboard.hasGuid;
var hasPastePath = !new GUID(AssetDatabase.AssetPathToGUID(Clipboard.stringValue)).Empty();
var obj = property.objectReferenceValue;
var canCopy = !property.hasMultipleDifferentValues && obj != null;
var canPaste = GUI.enabled && (hasPasteGuid || hasPastePath || hasPasteObject);
if (menu != null)
{
AddSeparator(menu);
var hasAsset = canCopy && AssetDatabase.Contains(obj);
if (canCopy)
{
menu.AddItem(kCopyContent, false, o => Clipboard.objectValue = (UnityEngine.Object)o, obj);
}
else
{
menu.AddDisabledItem(kCopyContent);
}
if (hasAsset)
{
menu.AddItem(kCopyPathContent, false, o => Clipboard.stringValue = AssetDatabase.GetAssetPath((UnityEngine.Object)o).ToString(), obj);
menu.AddItem(kCopyGuidContent, false, o => Clipboard.guidValue = new GUID(AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath((UnityEngine.Object)o))), obj);
}
else
{
menu.AddDisabledItem(kCopyPathContent);
menu.AddDisabledItem(kCopyGuidContent);
}
if (canPaste)
{
menu.AddItem(kPasteContent, false, o => PasteObjectReference((SerializedProperty)o), property);
}
else
{
menu.AddDisabledItem(kPasteContent);
}
}
if (evt != null)
{
if (canCopy && evt.commandName == EventCommandNames.Copy)
{
if (evt.type == EventType.ValidateCommand)
{
evt.Use();
}
if (evt.type == EventType.ExecuteCommand)
{
Clipboard.objectValue = obj;
evt.Use();
}
}
if (canPaste && evt.commandName == EventCommandNames.Paste)
{
if (evt.type == EventType.ValidateCommand)
{
evt.Use();
}
if (evt.type == EventType.ExecuteCommand)
{
PasteObjectReference(property);
evt.Use();
}
}
}
}
public static bool Contains(UnityEngine.Object obj)
{
return(AssetDatabase.Contains(obj.GetInstanceID()));
}
private static bool OnSearchForReferencesValidate()
{
Object activeObject = Selection.activeObject;
return(((activeObject != null) && AssetDatabase.Contains(activeObject)) && !Directory.Exists(AssetDatabase.GetAssetPath(activeObject)));
}
internal static void ShowAssetsPopupMenu <T>(Rect buttonRect, string typeName, SerializedProperty serializedProperty, string fileExtension, string defaultFieldName) where T : Object, new()
{
GenericMenu gm = new GenericMenu();
int selectedInstanceID = serializedProperty.objectReferenceValue != null?serializedProperty.objectReferenceValue.GetInstanceID() : 0;
bool foundDefaultAsset = false;
var type = UnityEditor.UnityType.FindTypeByName(typeName);
int classID = type != null ? type.persistentTypeID : 0;
BuiltinResource[] resourceList = null;
// Check the assets for one that matches the default name.
if (classID > 0)
{
resourceList = EditorGUIUtility.GetBuiltinResourceList(classID);
foreach (var resource in resourceList)
{
if (resource.m_Name == defaultFieldName)
{
gm.AddItem(new GUIContent(resource.m_Name), resource.m_InstanceID == selectedInstanceID, AssetPopupMenuCallback, new object[] { resource.m_InstanceID, serializedProperty });
resourceList = resourceList.Where(x => x != resource).ToArray();
foundDefaultAsset = true;
break;
}
}
}
// If no defalut asset was found, add defualt null value.
if (!foundDefaultAsset)
{
gm.AddItem(new GUIContent(defaultFieldName), selectedInstanceID == 0, AssetPopupMenuCallback, new object[] { 0, serializedProperty });
}
// Add items from asset database
foreach (var property in AssetDatabase.FindAllAssets(new SearchFilter()
{
classNames = new[] { typeName }
}))
{
gm.AddItem(new GUIContent(property.name), property.instanceID == selectedInstanceID, AssetPopupMenuCallback, new object[] { property.instanceID, serializedProperty });
}
// Add builtin items, except for the already added default item.
if (classID > 0 && resourceList != null)
{
foreach (var resource in resourceList)
{
gm.AddItem(new GUIContent(resource.m_Name), resource.m_InstanceID == selectedInstanceID, AssetPopupMenuCallback, new object[] { resource.m_InstanceID, serializedProperty });
}
}
var target = serializedProperty.serializedObject.targetObject;
bool isPreset = target is Component ? ((int)(target as Component).gameObject.hideFlags == 93) : !AssetDatabase.Contains(target);
// the preset object is destroyed with the inspector, and nothing new can be created that needs this link. Fix for case 1208437
if (!isPreset)
{
// Create item
gm.AddSeparator("");
gm.AddItem(EditorGUIUtility.TrTextContent("Create New..."), false, delegate
{
var newAsset = Activator.CreateInstance <T>();
var doCreate = ScriptableObject.CreateInstance <DoCreateNewAsset>();
doCreate.SetProperty(serializedProperty);
ProjectWindowUtil.StartNameEditingIfProjectWindowExists(newAsset.GetInstanceID(), doCreate, "New " + typeName + "." + fileExtension, AssetPreview.GetMiniThumbnail(newAsset), null);
});
}
gm.DropDown(buttonRect);
}
static bool CreateEditableCopy_Validate(MenuCommand command)
{
var importer = (TrueTypeFontImporter)command.context;
return(AssetDatabase.Contains(importer));
}
