private void UpdateTV(KfsStatusPath path, KTreeNode node)
{
KTreeNode self = new KTreeNode(path, m_lvImageListMgr, SrcApp.Helper);
self.Name = path.Path;
node.Nodes.Add(self);
foreach (KfsStatusPath p in path.ChildTree.Values)
{
if (p.Status == PathStatus.Directory)
UpdateTV(p, self);
}
KfsLocalDirectory localDir = SrcApp.Share.LocalView.GetObjectByPath(path.Path) as KfsLocalDirectory;
KfsServerDirectory serverDir = SrcApp.Share.ServerView.GetObjectByPath(path.Path) as KfsServerDirectory;
if (localDir != null && localDir.ExpandedFlag ||
serverDir != null && serverDir.ExpandedFlag)
{
self.Expand();
}
}
private void tvFileTree_DragEnter(object sender, DragEventArgs e)
{
string s = "tvFileTree_DragEnter";
try
{
Logging.Log(1, s);
// Enter gate only if the drag and drop operation
// comes from outside our program.
if (!m_isDraggingItem)
{
m_canDrop = true;
UInt64 c = m_uiUpdateCounter;
Gate.GateEntry(s);
if (c != m_uiUpdateCounter)
{
s += " refused, share has been modified.";
m_canDrop = false;
}
}
m_updateLvOnTvSelectionChange = false;
m_dragDropTvOriginalSelectedNode = (KTreeNode)tvFileTree.SelectedNode;
Debug.Assert(!m_isDragDropInsideControls);
m_isDragDropInsideControls = true;
SetTvDragDropEffect(e);
}
catch (Exception ex)
{
Base.HandleException(ex);
}
}
private void UpdateTV()
{
Logging.Log("UpdateTV");
tvFileTree.Nodes.Clear();
bool updateTvFlag = false;
bool updateLvFlag = true;
m_ignoreExpandFlag = true;
if (CanWorkOffline())
{
// The status view is not up to date, request an update.
if (SrcApp.Share.StatusView.Root == null)
SrcApp.Share.RequestStatusViewUpdate("UpdateTV()");
// We need to update the tree view.
else
updateTvFlag = true;
}
if (updateTvFlag)
{
KfsStatusPath rootStatusPath = SrcApp.Share.StatusView.Root;
UpdateBackgroundImage();
// Add the TV root.
KTreeNode root = new KTreeNode(rootStatusPath, m_lvImageListMgr, SrcApp.Helper);
root.Name = "";
tvFileTree.Nodes.Add(root);
foreach (KfsStatusPath p in rootStatusPath.ChildTree.Values)
{
if (p.Status == PathStatus.Directory) UpdateTV(p, root);
}
root.Expand();
if (Settings.SelectedDir == "")
{
tvFileTree.SelectedNode = tvFileTree.Nodes[0];
}
else
{
TreeNode[] nodes = tvFileTree.Nodes.Find(Settings.SelectedDir, true);
if (nodes.Length == 1)
tvFileTree.SelectedNode = nodes[0];
else
{
// The initially selected folder was moved or deleted.
// Select the root. This causes an implicit update.
tvFileTree.SelectedNode = root;
updateLvFlag = false;
}
}
if (Settings.IsSelectedDirExpanded)
tvFileTree.SelectedNode.Expand();
}
m_ignoreExpandFlag = false;
if (updateLvFlag) UpdateLV();
}
private void tvExpandCollapseHelper(KTreeNode node, bool expandFlag)
{
if (!HasShare() || m_ignoreExpandFlag) return;
String path = node.KFullPath;
KfsLocalDirectory localDir = SrcApp.Share.LocalView.GetObjectByPath(path) as KfsLocalDirectory;
KfsServerDirectory serverDir = SrcApp.Share.ServerView.GetObjectByPath(path) as KfsServerDirectory;
if (localDir != null) localDir.ExpandedFlag = expandFlag;
if (serverDir != null) serverDir.ExpandedFlag = expandFlag;
SrcApp.SetDirty("folder expansion changed");
}
private void SetTvDragDropEffect(DragEventArgs e)
{
// FIXME: allow MSO drop in the treeview.
bool isKfsItem = IsDragDropKfsItem(e);
bool isFileDrop = IsDragDropFileDrop(e);
bool isASubDir = false;
// Allow only KfsItem data format to be dropped in here.
if (!(isKfsItem || isFileDrop) || !m_canDrop || !m_canDrag)
{
e.Effect = DragDropEffects.None;
return;
}
string srcFullPath = GetDragDropSourceDir(e);
string dstRelativePath = GetTvDragDropDestDir(e);
Point pt = tvFileTree.PointToClient(new Point(e.X, e.Y));
KTreeNode nodeUnder = (KTreeNode)tvFileTree.GetNodeAt(pt);
// See if we must select another temp item.
if (nodeUnder != null)
{
// If the mouse is over a directory, select it.
tvFileTree.SelectedNode = nodeUnder;
m_dragDropTvTempDest = nodeUnder;
}
if (isKfsItem)
{
List<KListViewItem> dirs = DirectoriesInSelection((KListViewItem[])e.Data.GetData("KfsItem"));
foreach (KListViewItem item in dirs)
{
if (dstRelativePath.StartsWith(item.Path))
{
isASubDir = true;
break;
}
}
// Validate if the destination is valid.
if (nodeUnder == null || dstRelativePath == srcFullPath || isASubDir || IsPathInDragSelection(dstRelativePath, e))
e.Effect = DragDropEffects.None;
else
e.Effect = DragDropEffects.Copy;
}
else if (isFileDrop)
{
foreach (string p in (string[])e.Data.GetData(System.Windows.Forms.DataFormats.FileDrop))
{
if (Directory.Exists(p) &&
KfsPath.GetWindowsFilePath(SrcApp.Share.MakeAbsolute(dstRelativePath), true).StartsWith(p))
{
isASubDir = true;
break;
}
}
if (srcFullPath == KfsPath.GetWindowsFilePath(SrcApp.Share.MakeAbsolute(dstRelativePath), false) ||
(IsPathInDragSelection(dstRelativePath, e)) || isASubDir)
e.Effect = DragDropEffects.None;
else
e.Effect = DragDropEffects.Copy;
}
}
/// <summary>
/// Return true if the Treenode can be synchronized.
/// </summary>
public bool CanSynchronize(KTreeNode node)
{
// Assume a directory present server-side
// can be synchronized. If nothing inside of
// it can be synchronized, so be it.
return node.OnServer && Share.AllowedOp != AllowedOpStatus.None;
}
/// <summary>
/// Return true if the KTreeNode specified can be deleted or moved.
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
public bool CanDeleteOrMove(KTreeNode node)
{
return (node.Name != "" &&
CanDeleteOrMoveInternal(Share.StatusView.GetPathArray(node.KFullPath, false)));
}
/// <summary>
/// Return true if the Treenode specified can
/// be added to the share.
/// </summary>
public bool CanAdd(KTreeNode node)
{
return !node.OnServer && Share.AllowedOp == AllowedOpStatus.All;
}
