/// 显示
public void Appear(UIFormHideFlag hideFlag = UIFormHideFlag.HideByCustom, bool dispatchdEvent = true)
{
//始终保持可见的Form，直接return
if (IsAlwaysKeepVisible)
{
return;
}
//Remove Flag
_hideFlags &= ~((int)hideFlag);
//隐藏标志不为0或没有被隐藏，不能进行恢复操作
if (_hideFlags != 0 || !_isHided)
{
return;
}
_isHided = false;
if (_canvas != null)
{
_canvas.enabled = true;
_canvas.sortingOrder = _sortingOrder;
}
if (_graphicRaycaster && !IsDisableInput)
{
_graphicRaycaster.enabled = true;
}
//派发RevertVisible事件
DispatchFormEvent(UIFormEventType.RevertToVisible);
//派发VisibleChanged事件
if (dispatchdEvent)
{
DispatchFormEvent(UIFormEventType.VisibleChanged);
}
//通知组件
if (_uiComponents != null)
{
for (int i = 0; i < _uiComponents.Count; i++)
{
_uiComponents[i].OnAppear();
}
}
}
/// 隐藏
public void Hide(UIFormHideFlag hideFlag = UIFormHideFlag.HideByCustom, bool dispatchEvent = true)
{
//始终保持可见的Form，不能被隐藏
if (IsAlwaysKeepVisible)
{
return;
}
//Add flag
_hideFlags |= (int)hideFlag;
//隐藏标志为0或者已经被隐藏，不能再次进行隐藏操作
if (_hideFlags == 0 || _isHided)
{
return;
}
_isHided = true;
if (_canvas != null)
{
_canvas.enabled = false;
}
if (_graphicRaycaster != null)
{
_graphicRaycaster.enabled = false;
}
if (dispatchEvent)
{
DispatchFormEvent(UIFormEventType.VisibleChanged);
}
//通知组件
if (_uiComponents != null)
{
for (int i = 0; i < _uiComponents.Count; i++)
{
_uiComponents[i].OnHide();
}
}
}