/// <summary>
/// This should be called at the beginning of OnGUI of every instance of classes that implement IInspectorDrawer.
///
/// SEE ALSO: DrawGUI.BeginOnGUI and InspectorUtility.BeginInspector.
/// </summary>
/// <param name="inspectorDrawer"> The inspector drawer instance. </param>
/// <param name="splittable"> The inspector drawer if it implements ISplittableInspectorDrawer, otherwise null. </param>
public static void BeginInspectorDrawer([NotNull] IInspectorDrawer inspectorDrawer, [CanBeNull] ISplittableInspectorDrawer splittable)
{
#if DEV_MODE && PI_ASSERTATIONS
Debug.Assert(inspectorDrawer != null);
#endif
var manager = inspectorDrawer.Manager;
activeInspectorDrawer = inspectorDrawer;
ActiveManager = manager;
activeManager.ActiveInspector = inspectorDrawer.MainView;
var e = Event.current;
#if DEV_MODE && PI_ASSERTATIONS
Debug.Assert(e != null);
#endif
var mouseDownInfo = activeManager.MouseDownInfo;
// Events like MouseUp, DragUpdated and DragPerformed are normally ignored when the cursor is outside EditorWindow bounds
// but when a field is being dragged we still need those events (especially important for the MouseUp event!)
var type = mouseDownInfo.GetEventTypeForMouseUpDetection(e);
if (mouseDownInfo.NowReordering)
{
var reordering = mouseDownInfo.Reordering;
var dropTarget = reordering.MouseoveredDropTarget;
// When reordering and cursor is not above a valid drop target, set DragAndDropVisualMode to rejected,
// unless dragging Object references outside window bounds, where want to allow dragging into other
// EditorWindows.
// UPDATE: This broke drag n drop e.g. from Component header to object reference field inside a custom editor.
//if(dropTarget.Parent == null && ((DrawGUI.Active.DragAndDropObjectReferences.Length == 0 || activeManager.MouseoveredInspector != null)))
if (dropTarget.Parent == null && DrawGUI.Active.DragAndDropObjectReferences.Length == 0)
{
#if DEV_MODE
Debug.LogWarning("Reordering Rejected because dropTarget.Parent=null && DrawGUI.Active.DragAndDropObjectReferences=" + StringUtils.ToString(DrawGUI.Active.DragAndDropObjectReferences) + ", activeManager.MouseoveredInspector=" + StringUtils.ToString(activeManager.MouseoveredInspector));
#endif
// Update: only do this once cursor has moved, otherwise it can look strange during simple click events
if (mouseDownInfo.CursorMovedAfterMouseDown)
{
DrawGUI.Active.DragAndDropVisualMode = DragAndDropVisualMode.Rejected;
}
}
DrawGUI.Active.AddCursorRect(new Rect(0f, 0f, 100000f, 100000f), MouseCursor.MoveArrow);
}
else if (mouseDownInfo.NowDraggingPrefix)
{
DrawGUI.Active.SetCursor(MouseCursor.SlideArrow);
}
switch (type)
{
case EventType.Repaint:
if (inspectorDrawer.MainView.RequiresConstantRepaint() || (splittable != null && splittable.ViewIsSplit && splittable.SplitView.RequiresConstantRepaint()))
{
inspectorDrawer.Repaint();
}
break;
case EventType.Layout:
activeManager.OnLayout();
UpdateDimensions(inspectorDrawer, splittable);
break;
case EventType.ValidateCommand:
inspectorDrawer.OnValidateCommand(e);
break;
case EventType.ExecuteCommand:
if (OnExecuteCommand != null)
{
if (inspectorDrawer == manager.FirstInspectorDrawer)
{
#if DEV_MODE && DEBUG_EXECUTE_COMMAND
Debug.Log("ExecuteCommand(" + e.commandName + ")");
#endif
OnExecuteCommand(ActiveManager.LastSelectedActiveOrDefaultInspector(), e.commandName);
}
#if DEV_MODE && DEBUG_EXECUTE_COMMAND
else
{
Debug.Log("ExecuteCommand(" + e.commandName + ") not sent with e=" + StringUtils.ToString(e) + ", OnExecuteCommand=" + StringUtils.ToString(OnExecuteCommand));
}
#endif
}
inspectorDrawer.OnExecuteCommand(e);
break;
case EventType.MouseUp:
case EventType.DragPerform:
#if DEV_MODE && (DEBUG_MOUSE_UP || DEBUG_DRAG_N_DROP)
Debug.Log(type + " with IsUnityObjectDrag=" + StringUtils.True + ", MouseDownInfo.Inspector=" + activeManager.MouseDownInfo.Inspector + ", activeInspectorDrawer.MouseIsOver=" + (inspectorDrawer == null ? StringUtils.Null : StringUtils.ToColorizedString(inspectorDrawer.MouseIsOver)));
#endif
inspectorDrawer.Repaint();
mouseDownInfo.OnMouseUp(activeManager);
break;
case EventType.DragExited:
//IMPORTANT NOTE: DragExited gets called when during DragNDrop cursor leaves EditorWindow bounds!
#if DEV_MODE && UNITY_EDITOR
Debug.Log(type + " with LastInputEvent().type=" + DrawGUI.LastInputEvent().type + ", IsUnityObjectDrag=" + StringUtils.ToColorizedString(DrawGUI.IsUnityObjectDrag) + ", EditorWindow.focusedWindow=" + UnityEditor.EditorWindow.focusedWindow + ", activeManager.MouseoveredInspector=" + activeManager.MouseoveredInspector + ", mouseoveredDrawer.position=" + (activeManager.MouseoveredInspector == null || activeManager.MouseoveredInspector.InspectorDrawer == null ? StringUtils.Null : activeManager.MouseoveredInspector.InspectorDrawer.position.ToString()) + ", MouseDownInfo.Inspector=" + activeManager.MouseDownInfo.Inspector + ", Drawer.MouseIsOver=" + (activeInspectorDrawer == null ? StringUtils.Null : StringUtils.ToColorizedString(activeInspectorDrawer.MouseIsOver)));
#endif
if (mouseDownInfo.IsDragExitedReallyMouseLeaveWindowEvent())
{
#if DEV_MODE
Debug.LogWarning("Ignoring DragExited call because IsDragExitedReallyMouseLeaveWindowEvent=" + StringUtils.True + " - cursor probably just left EditorWindow bounds.");
#endif
break;
}
inspectorDrawer.Repaint();
mouseDownInfo.OnMouseUp(activeManager);
break;
case EventType.MouseDown:
ActiveManager.MouseDownInfo.OnMouseDown();
#if DEV_MODE && DEBUG_ON_MOUSE_DOWN
Debug.Log("MouseDown with button=" + e.button + ", keyCode=" + e.keyCode + ", MouseoveredSelectable=" + StringUtils.ToString(ActiveManager.MouseoveredSelectable));
#endif
break;
case EventType.KeyDown:
inspectorDrawer.OnKeyDown(e);
break;
case EventType.KeyUp:
inspectorDrawer.Manager.OnKeyUp(e);
break;
}
}
