private async void StructureTreeExpanded(object sender, RoutedEventArgs e)
{
TreeViewItem treeViewItem = (TreeViewItem)e.OriginalSource;
if (treeViewItem.Header is StructureItem)
{
StructureItem currentStructureItem = treeViewItem.Header as StructureItem;
if (currentStructureItem != null)
{
if (currentStructureItem is DirectoryItem)
{
await ChangeStatusText("Loading data...");
DirectoryItem directoryItem = currentStructureItem as DirectoryItem;
directoryItem.IsChanged = true;
foreach (StructureItem childStructureItem in directoryItem.Items)
{
if (childStructureItem is DirectoryItem)
{
(childStructureItem as DirectoryItem).IsChanged = true;
}
}
await ChangeStatusText("Ready.");
}
}
}
}
private void WalkThroughTree(DirectoryInfo root, DirectoryItem structureItem, bool digDown)
{
FileInfo[] files = null;
DirectoryInfo[] subdirs = null;
try
{
files = root.GetFiles();
subdirs = root.GetDirectories();
structureItem.PermissionToItem = PermissionStatus.P_GRANDED;
}
catch (UnauthorizedAccessException ex)
{
Console.WriteLine(ex.Message);
structureItem.PermissionToItem = PermissionStatus.P_DENIED;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
structureItem.ClearItemsCollection();
if (subdirs != null)
{
foreach (DirectoryInfo directoryInfo in subdirs)
{
DirectoryItem currentStructureItem = new DirectoryItem(directoryInfo.Name, directoryInfo.FullName, RefreshChildItemsStructure)
{
Attributes = directoryInfo.Attributes,
Parent = structureItem
};
structureItem.AddNewItem(currentStructureItem);
if (digDown)
{
WalkThroughTree(directoryInfo, currentStructureItem, true);
}
}
}
if (files != null)
{
foreach (FileInfo fileInfo in files)
{
FileItem currentStructureItem = new FileItem(fileInfo.Name, fileInfo.FullName)
{
Attributes = fileInfo.Attributes,
FileSize = fileInfo.Length,
Parent = structureItem
};
structureItem.AddNewItem(currentStructureItem);
}
}
}
public StructureItem GetDiskTreeStructure(string disk)
{
DriveInfo driveInfo = new DriveInfo(disk);
DirectoryItem structureItem = new DirectoryItem(driveInfo.Name.ToUpper(), driveInfo.Name, RefreshChildItemsStructure);
if (driveInfo.IsReady)
{
DirectoryInfo rootDirectoryInfo = driveInfo.RootDirectory;
AddElementsToStructure(rootDirectoryInfo, structureItem);
}
else
{
Console.WriteLine($"Disk {disk} could not be read");
}
return(structureItem);
}
private void MenuItemDeleteClick(object sender, RoutedEventArgs e)
{
try
{
MenuItem clickedMenuItem = sender as MenuItem;
StructureItem structureItem = clickedMenuItem.DataContext as StructureItem;
DirectoryItem parentDirectory = structureItem.Parent;
FilesManagement.RemoveElement(structureItem);
if (parentDirectory != null)
{
parentDirectory.IsChanged = true;
}
}
catch (Exception ex)
{
StatusText.Text = $"Problem while deleting. {ex.Message}";
}
}
public void AddElementsToStructure(DirectoryInfo root, DirectoryItem structureItem)
{
WalkThroughTree(root, structureItem, false);
}
private void RefreshChildItemsStructure(DirectoryItem structureItem)
{
DirectoryInfo root = new DirectoryInfo(structureItem.Path);
AddElementsToStructure(root, structureItem);
}
