private void concentricRingTree1_SelectedNodeChanged()
{
if (concentricRingTree1.SelectedNode == null)
{
textBox2.Text = "";
return;
}
if (lastNode == concentricRingTree1.SelectedNode)
{
return;
}
lastNode = concentricRingTree1.SelectedNode;
List <ListViewItem> lfi;
if (d.TryGetValue(concentricRingTree1.SelectedNode.Label.ToLower(), out lfi))
{
listView1.Items.Clear();
listView1.Items.AddRange(lfi.ToArray());
}
textBox2.Text = string.Format("{0,10} {1,10} {2}",
SizeString(concentricRingTree1.SelectedNode.Value),
SizeString(concentricRingTree1.SelectedNode.TotalValue),
concentricRingTree1.SelectedNode.Label);
}
private ConcentricRingTree.Node CreateNodeTree(string dir, ConcentricRingTree.Node parent)
{
lock (UpdatedLock)
{
m_currentDir = dir;
m_rootUpdated = true;
}
var node = new ConcentricRingTree.Node();
node.Label = dir;
node.Value = 0;
node.Children = new List <ConcentricRingTree.Node>();
if (!m_threadAlive)
{
return(node);
}
List <ListViewItem> llvi = new List <ListViewItem>();
var zdir = new ZlpDirectoryInfo(dir);
Tuple <DateTime, List <ListViewItem>, long> cachedInfo;
var items = new List <ListViewItem>();
long totalLen = 0;
if (_cache.TryGetValue(dir, out cachedInfo) && zdir.LastWriteTime == cachedInfo.Item1)
{
foreach (var lvi in cachedInfo.Item2)
{
items.Add(lvi);
}
totalLen = cachedInfo.Item3;
}
else
{
foreach (var zfile in zdir.GetFiles())
{
var lvi = new ListViewItem(new string[] {
zfile.Name,
zfile.LastWriteTime.ToShortDateString() + " " + zfile.LastWriteTime.ToShortTimeString(),
zfile.Extension,
SizeString(zfile.Length)
});
lvi.Tag = zfile.Length;
llvi.Add(lvi);
totalLen += zfile.Length;
items.Add(lvi);
if (!m_threadAlive)
{
return(node);
}
}
items.Sort((a, b) => (Math.Sign(((long)b.Tag) - (long)a.Tag)));
_cache[dir] = Tuple.Create(zdir.LastWriteTime, llvi, totalLen);
}
node.Value += totalLen;
lock (UpdatedLock)
if (parent != null)
{
parent.AddChild(node);
}
else
{
rootNode = node;
}
lock (UpdatedLock)
m_rootUpdated = true;
d[dir.ToLower()] = items;
foreach (var zsubdir in zdir.GetDirectories())
{
try
{
CreateNodeTree(zsubdir.FullName, node);
}
catch (UnauthorizedAccessException)
{ }
}
lock (UpdatedLock)
m_rootUpdated = true;
return(node);
}