internal static string makeDescription(FileSysItem item)
{
string s = item.DisplayName;
if (s != null)
{
s = item.DisplayName.Trim();
}
return(string.IsNullOrEmpty(s) ? item.Sysname : string.Format("{0} ({1})", item.DisplayName, item.Sysname));
}
void removeDir(TreeNodeCollection coll, FileSysItem item)
{
if (item.ItemType == ItemType.Drive || item.ItemType == ItemType.Dir)
{
TreeNode nd = coll.Find(item.Sysname, false).FirstOrDefault();
if (nd != null)
{
coll.Remove(nd);
}
}
}
internal static int getImageIndexByType(FileSysItem item)
{
switch (item.ItemType)
{
case ItemType.Dir:
case ItemType.Drive:
return(0);
default:
return(item.IsXml ? 3 : 2);
}
}
void watcher_Renamed(object sender, RenamedEventArgs e)
{
threadSafeExec(() =>
{
FileSysItem item = new FileSysItem(this, e.OldName);
int i = IndexOf(item);
if (i > -1)
{
this[i] = new FileSysItem(this, e.Name);
}
});
}
void watcher_Deleted(object sender, FileSystemEventArgs e)
{
threadSafeExec(() =>
{
FileSysItem item = new FileSysItem(this, e.Name);
int i = IndexOf(item);
if (i > -1)
{
RemoveAt(i);
}
});
}
void watcher_Created(object sender, FileSystemEventArgs e)
{
threadSafeExec(() =>
{
FileSysItem item = new FileSysItem(this, e.Name);
int i = IndexOf(item);
if (i < 0)
{
Add(item);
}
});
}
void removeDetail(FileSysItem item)
{
if (string.Compare(currentSelectedDetailsPath, item.Parent.Path, true) != 0)
{
return;
}
var it = lstCurDir.Items.Find(item.Sysname, false).FirstOrDefault();
if (it != null)
{
lstCurDir.Items.Remove(it);
}
}
TreeItem addTreeDir(TreeNodeCollection coll, FileSysItem item)
{
if (item.ItemType == ItemType.Drive || item.ItemType == ItemType.Dir)
{
var tn = coll.Add(item.Sysname, ViewHelpers.makeDescription(item), 0);
tn.Tag = new TreeItem()
{
Item = item
};
tn.Nodes.Add("stub", "stub");
return((TreeItem)tn.Tag);
}
return(null);
}
void onItemPicked(FileSysItem it)
{
ItemPickedHandler h = ItemPicked;
if (h != null)
{
ViewHelpers.execWithWaitCursor(() =>
{
h(this, new ItemPickedArgs()
{
Item = it
});
});
}
}
void addDetail(FileSysItem item, bool withCheck = false)
{
if (withCheck)
{
if (string.Compare(currentSelectedDetailsPath, item.Parent.Path, true) != 0)
{
return;
}
}
var listItem = new ListViewItem(ViewHelpers.makeDescription(item));
listItem.Name = item.Sysname;
listItem.Tag = item;
listItem.ImageIndex = ViewHelpers.getImageIndexByType(item);
lstCurDir.Items.Add(listItem);
}
void descr_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (FileSysItem it in e.OldItems)
{
TreeNode nd = findParentNode(it.Parent);
TreeNodeCollection nodes = nd == null ? treeDirs.Nodes : nd.Nodes;
removeDir(nodes, it);
removeDetail(it);
}
}
else if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (FileSysItem it in e.NewItems)
{
TreeNode nd = findParentNode(it.Parent);
TreeNodeCollection nodes = nd == null ? treeDirs.Nodes : nd.Nodes;
addTreeDir(nodes, it);
addDetail(it, true);
}
lstCurDir.AutoResizeColumn(0, ColumnHeaderAutoResizeStyle.ColumnContent);
}
else if (e.Action == NotifyCollectionChangedAction.Replace)
{
for (int i = 0; i < e.OldItems.Count; ++i)
{
FileSysItem itOld = (FileSysItem)e.OldItems[i];
FileSysItem itNew = (FileSysItem)e.NewItems[i];
TreeNode nd = findParentNode(itOld.Parent);
removeDir(nd.Nodes, itOld);
addTreeDir(nd.Nodes, itNew);
removeDetail(itOld);
addDetail(itNew, true);
}
lstCurDir.AutoResizeColumn(0, ColumnHeaderAutoResizeStyle.ColumnContent);
}
}
public int Compare(object x, object y)
{
int res;
ListViewItem t1 = (ListViewItem)x;
ListViewItem t2 = (ListViewItem)y;
if (t1 == null && t2 == null)
{
res = 0;
}
else if (t1 == null && t1 != t2)
{
res = 1;
}
else if (t2 == null && t1 != t2)
{
res = -1;
}
else
{
FileSysItem i1 = (FileSysItem)t1.Tag;
FileSysItem i2 = (FileSysItem)t2.Tag;
if (i1.ItemType == i2.ItemType)
{
res = i1.Sysname.CompareTo(i2.Sysname);
}
else
{
res = i1.ItemType == ItemType.Dir || i1.ItemType == ItemType.Drive ? -1 : 1;
}
}
return(_asc ? res : -res);
}
