private void OnParentChanged(ExposeToEditor obj, ExposeToEditor oldParent, ExposeToEditor newParent)
{
if (!m_isStarted)
{
return;
}
if (RuntimeEditorApplication.IsPlaymodeStateChanging)
{
return;
}
GameObject newParentGO = null;
GameObject oldParentGO = null;
bool isNewParentExpanded = true;
bool isOldParentExpanded = true;
bool isLastChild = false;
if (newParent != null)
{
newParentGO = newParent.gameObject;
isNewParentExpanded = m_treeView.IsExpanded(newParentGO);
}
if (oldParent != null)
{
oldParentGO = oldParent.gameObject;
isLastChild = (oldParent.ChildCount - oldParent.MarkedAsDestroyedChildCount) <= 1;
isOldParentExpanded = m_treeView.IsExpanded(oldParentGO);
}
if (isNewParentExpanded)
{
m_treeView.ChangeParent(newParentGO, obj.gameObject);
if (!isOldParentExpanded)
{
if (isLastChild)
{
VirtualizingTreeViewItem oldParentContainer = m_treeView.GetTreeViewItem(oldParentGO);
if (oldParentContainer)
{
oldParentContainer.CanExpand = false;
}
}
}
}
else
{
if (newParentGO != null)
{
VirtualizingTreeViewItem newParentTreeViewItem = m_treeView.GetTreeViewItem(newParentGO);
if (newParentTreeViewItem != null)
{
newParentTreeViewItem.CanExpand = true;
}
}
m_treeView.RemoveChild(oldParentGO, obj.gameObject, isLastChild);
}
}
private void OnParentChanged(ExposeToEditor obj, ExposeToEditor oldParent, ExposeToEditor newParent)
{
if (Editor.IsPlaymodeStateChanging)
{
return;
}
bool isNewParentExpanded = true;
bool isOldParentExpanded = true;
bool isLastChild = false;
if (newParent != null)
{
isNewParentExpanded = m_treeView.IsExpanded(newParent);
}
if (oldParent != null)
{
TreeViewItemContainerData itemContainerData = (TreeViewItemContainerData)m_treeView.GetItemContainerData(oldParent);
isLastChild = !oldParent.HasChildren(); //!itemContainerData.HasChildren(m_treeView);
isOldParentExpanded = m_treeView.IsExpanded(oldParent);
}
if (isNewParentExpanded)
{
m_treeView.ChangeParent(newParent, obj);
if (!isOldParentExpanded)
{
if (isLastChild)
{
VirtualizingTreeViewItem oldParentContainer = m_treeView.GetTreeViewItem(oldParent);
if (oldParentContainer)
{
oldParentContainer.CanExpand = false;
}
}
}
}
else
{
if (newParent != null)
{
VirtualizingTreeViewItem newParentTreeViewItem = m_treeView.GetTreeViewItem(newParent);
if (newParentTreeViewItem != null)
{
newParentTreeViewItem.CanExpand = true;
}
}
m_treeView.RemoveChild(oldParent, obj);
}
}
protected virtual void Expand(ExposeToEditor item)
{
if (item == null)
{
return;
}
ExposeToEditor parent = item.GetParent();
if (parent != null && !m_treeView.IsExpanded(parent))
{
Expand(parent);
}
if (item.HasChildren())
{
m_treeView.Expand(item);
}
}
private void Expand(ProjectItem item)
{
if (item == null)
{
return;
}
if (item.Parent != null && !m_treeView.IsExpanded(item.Parent))
{
Expand(item.Parent);
}
m_treeView.Expand(item);
}