private void UpdateFilter()
{
if (Time.time > m_nextUpdateTime)
{
m_nextUpdateTime = float.PositiveInfinity;
IEnumerable selectedItems = TreeView.SelectedItems;
m_filteredItems.Clear();
if (!string.IsNullOrEmpty(m_txtFilter.text))
{
Filter(m_txtFilter.text, m_dataItems, m_filteredItems);
TreeView.Items = m_filteredItems;
TreeView.SelectedItems = selectedItems;
}
else
{
TreeView.Items = m_dataItems;
TreeView.SelectedItems = selectedItems;
if (TreeView.SelectedItemsCount > 0)
{
foreach (DataItem selectedItem in TreeView.SelectedItems)
{
TreeView.ExpandTo(selectedItem, dataItem => dataItem.Parent);
}
}
}
}
}
public static void ExpandAll <T>(
this VirtualizingTreeView treeView,
T item,
Func <T, T> getParent,
Func <T, IEnumerable> getChildren)
{
treeView.ExpandTo <T>(getParent(item), getParent);
treeView.ExpandChildren <T>(item, getChildren);
}
public static void ExpandTo <T>(this VirtualizingTreeView treeView, T item, Func <T, T> getParent)
{
if (item == null)
{
return;
}
ItemContainerData containerData = treeView.GetItemContainerData(item);
if (containerData == null)
{
treeView.ExpandTo(getParent(item), getParent);
treeView.Expand(item);
}
else
{
treeView.Expand(item);
}
}
public static void ExpandTo <T>(
this VirtualizingTreeView treeView,
T item,
Func <T, T> getParent)
{
if ((object)item == null)
{
return;
}
if (treeView.GetItemContainerData((object)item) == null)
{
treeView.ExpandTo <T>(getParent(item), getParent);
treeView.Expand((object)item);
}
else
{
treeView.Expand((object)item);
}
}