public TreeViewItem FindInTree(TreeView treeView)
{
treeView.UpdateLayout();
TreeViewItem treeViewItem = null;
var itemContainerGenerator = treeView.ItemContainerGenerator;
var path = GetPathToRoot();
path.Reverse();
foreach (var item in path)
{
treeViewItem = (TreeViewItem) itemContainerGenerator.ContainerFromItem(item);
if (treeViewItem == null) return null;
itemContainerGenerator = treeViewItem.ItemContainerGenerator;
}
return treeViewItem;
}
/// <summary>
/// Recursively loops through the treeview structure to get the correct
/// folder with the right path
/// </summary>
/// <param name="targetPath">Desired path</param>
/// <param name="tvItem">Current treeview item</param>
private static void RecursivelySelectFolder(TreeView treeView, string targetPath, TreeViewItem tvItem)
{
Folder thisFolder = tvItem.DataContext as Folder;
// We found this item - select it
if (targetPath.Equals(thisFolder.Path, StringComparison.CurrentCultureIgnoreCase) ||
targetPath.Equals(thisFolder.Path + "\\", StringComparison.CurrentCultureIgnoreCase))
{
tvItem.IsSelected = true;
tvItem.BringIntoView();
}
// We're on the right path, keep moving down a level
else if (targetPath.StartsWith(thisFolder.Path + (thisFolder.IsDrive ? "" : "\\"), StringComparison.CurrentCultureIgnoreCase))
{
thisFolder.ReadSubItemsForFolder();
tvItem.IsExpanded = true;
treeView.UpdateLayout();
foreach (Folder subFolder in tvItem.Items)
{
TreeViewItem subItem = tvItem.ItemContainerGenerator.ContainerFromItem(subFolder) as TreeViewItem;
RecursivelySelectFolder(treeView, targetPath, subItem);
}
}
else // This isn't it, break the tree
{
tvItem.IsExpanded = false;
treeView.UpdateLayout();
return;
}
}