protected void OnPopupListComponentEnterEvents(PointerEventData _eventData, UListComponentPopupBase _component)
{
//没有下级的就不管了
if (_component.ChildPopupList != null)
{
return;
}
if (_component.ItemData.ItemChildItems == null || _component.ItemData.ItemChildItems.Count <= 0)
{
return;
}
UListPopup childList = null;
//判断当前是否已经显示超过两个列表,是则看最后一级列表能否复用
if (m_ActivePopupList.Count - 1 > 0)
{
childList = m_ActivePopupList[m_ActivePopupList.Count - 1];
//如果当前进入的对象在最后一级列表里，则不能复用
if (childList.Contains(_component as UListComponentPopup))
{
childList = null;
}
else
{
//不在最后一级列表，则释放最后一级列表
ReleaseChildPopupList(childList.ParentConponent);
//如果当前进入的对象属于主列表，则释放所有次级列表
if (m_ActivePopupList[0].Contains(_component as UListComponentPopup))
{
for (int i = m_ActivePopupList.Count - 1; i > 0; --i)
{
ReleaseChildPopupList(m_ActivePopupList[i]);
}
}
childList = null;
}
}
//从回收的列表里取列表并赋值显示
if (childList == null)
{
childList = GetUnusePopupList();
}
foreach (var action in _component.ItemData.ItemChildItems)
{
childList.Add(action as UListComponentItemDataPopup);
}
childList.UpdatePopup(new UPopupMenuUpdateParam(_tfTarget: _component.GetTransform, _camUI: UISystem.Instance.GetCamera(),
_canvasRoot: UISystem.Instance.GetCanvas(), _eTipPostion: UIWidgets.TipPosition.TopRightCorner,
_tfPopupView: this.GetTransform()
));
_component.ChildPopupList = childList;
childList.ParentConponent = _component as UListComponentPopup;
}
protected void ReleaseChildPopupList(UListComponentPopupBase _popupComponent)
{
//m_ActivePopupList.ForEach(DeactivateComponent);
UListPopup releaseList = null;
if (_popupComponent != null)
{
//有可能是二级菜单的组件
releaseList = _popupComponent.ChildPopupList;
if (releaseList == null)
{
//0号是主列表
for (int i = 1; i < m_ActivePopupList.Count; ++i)
{
if (m_ActivePopupList[i].Contains(_popupComponent as UListComponentPopup))
{
releaseList = m_ActivePopupList[i];
releaseList.Clear();
if (!m_PopupListCache.Contains(releaseList))
{
m_PopupListCache.Add(releaseList);
}
m_ActivePopupList.RemoveAt(i);
return;
}
}
return;
}
}
else
{
return;
}
if (!m_PopupListCache.Contains(_popupComponent.ChildPopupList))
{
m_PopupListCache.Add(_popupComponent.ChildPopupList);
}
if (m_ActivePopupList.Contains(_popupComponent.ChildPopupList))
{
m_ActivePopupList.Remove(_popupComponent.ChildPopupList);
}
_popupComponent.ChildPopupList.Clear();
_popupComponent.ChildPopupList = null;
}
protected void OnPopupListComponentExitEvents(PointerEventData _eventData, UListComponentPopupBase _component)
{
}
