private PackageImportTreeView.Amount GetFolderChildrenEnabledState(PackageImportTreeView.PackageImportTreeViewItem folder)
{
if (!folder.isFolder)
{
Debug.LogError("Should be a folder item!");
}
if (!folder.hasChildren)
{
return(PackageImportTreeView.Amount.None);
}
PackageImportTreeView.Amount amount = PackageImportTreeView.Amount.NotSet;
PackageImportTreeView.PackageImportTreeViewItem packageImportTreeViewItem = folder.children[0] as PackageImportTreeView.PackageImportTreeViewItem;
int enabled = packageImportTreeViewItem.item.enabled;
for (int i = 1; i < folder.children.Count; i++)
{
if (enabled != (folder.children[i] as PackageImportTreeView.PackageImportTreeViewItem).item.enabled)
{
amount = PackageImportTreeView.Amount.Mixed;
break;
}
}
if (amount == PackageImportTreeView.Amount.NotSet)
{
amount = ((enabled != 1) ? PackageImportTreeView.Amount.None : PackageImportTreeView.Amount.All);
}
return(amount);
}
private void RecursiveComputeEnabledStateForFolders(PackageImportTreeView.PackageImportTreeViewItem pitem, HashSet <PackageImportTreeView.PackageImportTreeViewItem> done)
{
if (!pitem.isFolder)
{
return;
}
if (pitem.hasChildren)
{
foreach (TreeViewItem current in pitem.children)
{
this.RecursiveComputeEnabledStateForFolders(current as PackageImportTreeView.PackageImportTreeViewItem, done);
}
}
if (!done.Contains(pitem))
{
PackageImportTreeView.Amount folderChildrenEnabledState = this.GetFolderChildrenEnabledState(pitem);
pitem.item.enabled = (int)folderChildrenEnabledState;
if (folderChildrenEnabledState == PackageImportTreeView.Amount.Mixed)
{
done.Add(pitem);
for (PackageImportTreeView.PackageImportTreeViewItem packageImportTreeViewItem = pitem.parent as PackageImportTreeView.PackageImportTreeViewItem; packageImportTreeViewItem != null; packageImportTreeViewItem = (packageImportTreeViewItem.parent as PackageImportTreeView.PackageImportTreeViewItem))
{
if (!done.Contains(packageImportTreeViewItem))
{
packageImportTreeViewItem.item.enabled = 2;
done.Add(packageImportTreeViewItem);
}
}
}
}
}
