private void ToggleLibraryItem(LibraryItemViewModel libraryItem, ExpansionFlag expansion)
{
bool expanded = expansion == ExpansionFlag.DeepExpanded;
foreach (LibraryItemViewModel item in libraryItem.Children)
{
item.IsExpanded = expanded;
if (item.Children.Count > 0)
{
ToggleLibraryItem(item, expansion);
}
if (expanded) // expand overloaded method
{
ExpandChildItem(item);
}
}
}
private void ToggleLibrary(bool expand)
{
if (false != expand)
{
if (currentExpansion == ExpansionFlag.Collapsed)
{
currentExpansion = ExpansionFlag.ShallowExpanded;
}
else if (currentExpansion == ExpansionFlag.ShallowExpanded)
{
currentExpansion = ExpansionFlag.DeepExpanded;
}
else
{
return;
}
}
else
{
int level = GetExpansionLevel();
if (level > 2)//(currentExpansion == ExpansionFlag.DeepExpanded)
{
currentExpansion = ExpansionFlag.ShallowExpanded;
}
else //if (currentExpansion == ExpansionFlag.ShallowExpanded)
{
currentExpansion = ExpansionFlag.Collapsed;
}
//else
// return;
}
foreach (LibraryItemViewModel item in libraryTree.RootItems)
{
item.IsExpanded = currentExpansion != ExpansionFlag.Collapsed;
if (item.Children.Count > 0)
{
ToggleLibraryItem(item, currentExpansion);
}
if (item.IsExpanded) // expand overloaded method
{
ExpandChildItem(item);
}
}
}
