/// <summary>
/// This method will raise the OnSelectedFolderChangedEvent. Before raising it the navigation bar item is changed
/// to match the new current directory and the selectedNode property is set to the new node.
/// </summary>
/// <param name="e">The SelectedFolderChangedEventArgs to pass on</param>
private void OnSelectedFolderChanged(SelectedFolderChangedEventArgs e)
{
ChangeNavBarItem(e);
currentDirectoryNode = e.Node;
if (SelectedFolderChanged != null)
SelectedFolderChanged(this, e);
}
/// <summary>
/// This method will set the current directory of the navigation bar to match the current selected
/// directory of the browser. It will add and remove items to make it look like the Windows Explorer
/// ComboBox.
/// </summary>
private void ChangeNavBarItem(SelectedFolderChangedEventArgs e)
{
if (!navAddressBox.CurrentItem.ShellItem.Equals(e.Item))
{
int currentIndex = navAddressBox.Items.IndexOf(navAddressBox.CurrentItem);
BrowserComboItem currentItem = navAddressBox.CurrentItem;
int maxIndent = folderView.IsParentNode(myCompNode, currentDirectoryNode) ? 3 : 2;
TreeNode[] path;
bool isMyCompChild = folderView.IsParentNode(myCompNode, e.Node);
if (currentDirectoryNode.Nodes.Contains(e.Node) &&
((isMyCompChild && e.Node.Level >= 3) || (!isMyCompChild && e.Node.Level >= 2)))
{
navAddressBox.Items.Insert(currentIndex + 1, new BrowserComboItem(e.Item, e.Node.Level));
navAddressBox.SelectedIndex = currentIndex + 1;
}
else if (folderView.IsParentNode(e.Node, currentDirectoryNode, out path))
{
if (e.Node.Equals(desktopNode))
navAddressBox.SelectedIndex = 0;
else if (e.Node.Equals(myCompNode))
navAddressBox.SelectedIndex = desktopNode.Nodes.IndexOf(myCompNode) + 1;
else
navAddressBox.SelectedIndex = currentIndex - path.Length + 1;
while (currentItem.Text != e.Node.Text && currentItem.Indent >= maxIndent)
{
navAddressBox.Items.Remove(currentItem);
currentIndex--;
currentItem = (BrowserComboItem)navAddressBox.Items[currentIndex];
}
}
else
{
while (currentItem.Indent >= maxIndent && !e.Node.Equals(myCompNode))
{
navAddressBox.Items.Remove(currentItem);
currentIndex--;
currentItem = (BrowserComboItem)navAddressBox.Items[currentIndex];
}
if (folderView.IsParentNode(myCompNode, e.Node, out path))
{
if (path.Length > 2)
{
int startIndex =
desktopNode.Nodes.IndexOf(myCompNode) +
myCompNode.Nodes.IndexOf(path[1]) + 1;
for (int i = 2; i < path.Length; i++)
{
navAddressBox.Items.Insert(startIndex + i,
new BrowserComboItem((ShellItem)path[i].Tag, i + 1));
}
navAddressBox.SelectedIndex = startIndex + path.Length - 1;
}
else
{
navAddressBox.SelectedIndex =
desktopNode.Nodes.IndexOf(myCompNode) +
myCompNode.Nodes.IndexOf(e.Node) + 2;
}
}
else if (folderView.IsParentNode(desktopNode, e.Node, out path))
{
if (path.Length > 2)
{
int startIndex = desktopNode.Nodes.IndexOf(path[1]);
for (int i = 2; i < path.Length; i++)
{
navAddressBox.Items.Insert(startIndex + i,
new BrowserComboItem((ShellItem)path[i].Tag, i));
}
navAddressBox.SelectedIndex = startIndex + path.Length - 1;
}
else
{
if (desktopNode.Nodes.IndexOf(e.Node) <= desktopNode.Nodes.IndexOf(myCompNode))
navAddressBox.SelectedIndex = desktopNode.Nodes.IndexOf(e.Node) + 1;
else
navAddressBox.SelectedIndex = desktopNode.Nodes.IndexOf(e.Node) + myCompNode.Nodes.Count + 1;
}
}
else
navAddressBox.SelectedIndex = 0;
}
}
}
