private void recursively_check_children(string directory, Recursive_Folder_TreeNode parentNode, Recursion_Rule_Enum recursion_rule, Folder_Actionable_Delegate folder_actionable_method)
{
// Is this folder actionable
bool node_is_actionable = true;
if (!folder_actionable_method(directory))
{
// Does this rule out any parents?
if (recursion_rule == Recursion_Rule_Enum.Parents_Of_Unactionable_Folder_Are_Unactionable)
{
// If not, then none of its parents can be actioned
parentNode.isActionable = false;
while ((parentNode.Parent_Node != null) && (parentNode.Parent_Node.isActionable))
{
parentNode = parentNode.Parent_Node;
parentNode.isActionable = false;
}
}
// Also, this node can't be actioned (but maybe some children can)
node_is_actionable = false;
}
// Can the children still be actionable?
if ((recursion_rule != Recursion_Rule_Enum.Children_Of_Unactionable_Folder_Are_Unactionable) || (node_is_actionable))
{
// Add this node to the tree and check its children
Recursive_Folder_TreeNode childNode = new Recursive_Folder_TreeNode(directory, node_is_actionable);
childNode.Parent_Node = parentNode;
parentNode.Child_Nodes.Add(childNode);
// Step through each subdirectory recursively
string[] subdirs = System.IO.Directory.GetDirectories(directory);
foreach (string thisSubDir in subdirs)
{
recursively_check_children(thisSubDir, childNode, recursion_rule, folder_actionable_method);
}
}
}
public void Act_On_All_Actionable_Folders(string parentdirectory, Recursion_Rule_Enum recursion_rule, Folder_Actionable_Delegate folder_actionable_method, Folder_Action_Delegate folder_action_method)
{
// Create the root node
Recursive_Folder_TreeNode parentNode = new Recursive_Folder_TreeNode(parentdirectory);
if (!folder_actionable_method(parentdirectory))
{
parentNode.isActionable = false;
}
// Step through each subdirectory recursively
string[] subdirs = System.IO.Directory.GetDirectories(parentdirectory);
foreach (string thisSubDir in subdirs)
{
recursively_check_children(thisSubDir, parentNode, recursion_rule, folder_actionable_method);
}
// Post-order traverse the build tree and each actionable directory
List <Recursive_Folder_TreeNode> postOrderNodes = new List <Recursive_Folder_TreeNode>();
recursively_post_order_traverse_tree(parentNode, postOrderNodes);
// Step through and act on each directory
foreach (Recursive_Folder_TreeNode actionNode in postOrderNodes)
{
try
{
folder_action_method(actionNode.Directory);
}
catch (Exception e)
{
}
}
}
