public static DatabaseListView ShowWindow()
{
if (_instance == null)
{
// "Get existing open window or if none, make a new one:" says documentation.
// But if called after script reloads a second instance will be opened! => Custom singleton required.
DatabaseListView window = GetWindow <DatabaseListView>();
window.titleContent = new GUIContent("DB List");
_instance = window;
_instance.InitStyles();
window.Show();
}
else
{
_instance.Focus();
}
return(_instance);
}
public override Guid Inspect(string label, Guid value, object parent, DatabaseInspector inspectorWindow, InspectableDatabaseLinkAttribute link)
{
using (new HorizontalScope())
{
GUILayout.Label(label, GUILayout.Width(width));
var valueEntry = DatabaseInspector.CultCache.Get(value);
using (var h = new HorizontalScope(GUI.skin.box))
{
GUILayout.Label((valueEntry as INamedEntry)?.EntryName ?? valueEntry?.ID.ToString() ?? $"Drag and drop: {DatabaseListView.FormatTypeName(link.EntryType.Name)}");
if (h.rect.Contains(Event.current.mousePosition) && (Event.current.type == EventType.DragUpdated || Event.current.type == EventType.DragPerform))
{
var guid = (Guid)DragAndDrop.GetGenericData("Item");
var dragEntry = DatabaseInspector.CultCache.Get(guid);
var dragValid = dragEntry != null && link.EntryType.IsInstanceOfType(dragEntry) && dragEntry != valueEntry;
if (Event.current.type == EventType.DragUpdated)
{
DragAndDrop.visualMode = dragValid ? DragAndDropVisualMode.Copy : DragAndDropVisualMode.Rejected;
}
else if (Event.current.type == EventType.DragPerform)
{
if (dragValid)
{
DragAndDrop.AcceptDrag();
GUI.changed = true;
return(guid);
}
}
}
if (GUILayout.Button("-", GUILayout.Width((EditorGUIUtility.singleLineHeight - 3) * 2), GUILayout.Height(EditorGUIUtility.singleLineHeight - 3)))
{
return(Guid.Empty);
}
}
}
return(value);
}
public override DatabaseLink <T> Inspect(string label, DatabaseLink <T> value, object parent, DatabaseInspector inspectorWindow)
{
if (value == null)
{
value = new DatabaseLink <T>();
}
if (!string.IsNullOrEmpty(label))
{
GUILayout.BeginHorizontal();
GUILayout.Label(label, GUILayout.Width(width));
}
var valueEntry = value.Value;
using (var h = string.IsNullOrEmpty(label) ? new HorizontalScope() : new HorizontalScope(GUI.skin.box))
{
GUILayout.Label((valueEntry as INamedEntry)?.EntryName ?? valueEntry?.ID.ToString() ?? $"Drag and drop: {DatabaseListView.FormatTypeName(typeof(T).Name)}");
if (h.rect.Contains(Event.current.mousePosition) && (Event.current.type == EventType.DragUpdated || Event.current.type == EventType.DragPerform))
{
var guid = (Guid)DragAndDrop.GetGenericData("Item");
var dragEntry = DatabaseInspector.CultCache.Get(guid);
var dragValid = dragEntry is T && dragEntry != valueEntry;
if (Event.current.type == EventType.DragUpdated)
{
DragAndDrop.visualMode = dragValid ? DragAndDropVisualMode.Copy : DragAndDropVisualMode.Rejected;
}
else if (Event.current.type == EventType.DragPerform)
{
if (dragValid)
{
DragAndDrop.AcceptDrag();
value.LinkID = guid;
return(value);
}
}
}
if (value.LinkID != Guid.Empty)
{
if (GUILayout.Button("-",
GUILayout.Width((EditorGUIUtility.singleLineHeight - 3) * 2),
GUILayout.Height(EditorGUIUtility.singleLineHeight - 3)))
{
value.LinkID = Guid.Empty;
}
}
}
if (!string.IsNullOrEmpty(label))
{
GUILayout.EndHorizontal();
}
return(value);
}
private void Awake()
{
_instance = this;
}
// Set instance on reloading the window, else it gets lost after script reload (due to PlayMode changes, ...).
public DatabaseListView()
{
_instance = this;
}
