/// <summary>
/// Gets called when a dragged item leaves the control.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void _DragLeave(object sender, EventArgs e)
{
var treeView = sender as TreeView;
if (treeView == null || treeView != this._treeView)
{
return;
}
// remove drag/drop image
DragHelper.ImageList_DragLeave(treeView.Handle);
// Disable timer for scrolling dragged item
this._dragScrollTimer.Enabled = false;
}
protected override void OnDragLeave(EventArgs e)
{
try
{
this.dragging = false;
DragHelper.ImageList_DragLeave(this.Handle);
// Disable timer for scrolling dragged item
this.timer.Enabled = false;
}
catch (Exception ex)
{
ACSLog.InsertLog(MessageBoxIcon.Error, ex);
}
}
private void suiteTreeView_DragDrop(object sender, DragEventArgs e)
{
DragHelper.ImageList_DragLeave(this.suiteTreeView.Handle);
TreeNode dropNode = this.suiteTreeView.GetNodeAt(this.suiteTreeView.PointToClient(new Point(e.X, e.Y)));
if (this.dragNode != dropNode && dropNode.Tag is TestSuite)
{
if (this.dragNode.Parent == null)
{
this.suiteTreeView.Nodes.Remove(this.dragNode);
}
else
{
this.dragNode.Parent.Nodes.Remove(this.dragNode);
}
dropNode.Nodes.Add(this.dragNode);
dropNode.ExpandAll();
this.dragNode = null;
this.timer.Enabled = false;
}
}
private void BetterTreeView_DragDrop(object sender, DragEventArgs e)
{
// Unlock updates
DragHelper.ImageList_DragLeave(Handle);
// Get drop node
TreeNode dropNode = GetNodeAt(PointToClient(new Point(e.X, e.Y)));
// Manually move the nodes if we are handling that internally.
if (MoveNodesOnDragDrop)
{
if (dragNode != dropNode)
{
// Remove drag node from parent
if (dragNode.Parent == null)
{
Nodes.Remove(dragNode);
}
else
{
dragNode.Parent.Nodes.Remove(dragNode);
}
// Add drag node to drop node
dropNode.Nodes.Add(dragNode);
dropNode.ExpandAll();
}
}
if (NodeDropped != null)
{
NodeDropped(this, new NodeDroppedEventArgs(dragNode, dropNode));
}
dragNode = null;
}
private void TemplateTree_DragLeave(object sender, System.EventArgs e)
{
DragHelper.ImageList_DragLeave(TemplateTree.Handle);
}
private void suiteTreeView_DragLeave(object sender, System.EventArgs e)
{
DragHelper.ImageList_DragLeave(this.suiteTreeView.Handle);
this.timer.Enabled = false;
}
private void BetterTreeView_DragLeave(object sender, EventArgs e)
{
DragHelper.ImageList_DragLeave(Handle);
}
protected override void OnDragDrop(DragEventArgs drgevent)
{
try
{
this.dragging = false;
// Unlock updates
DragHelper.ImageList_DragLeave(this.Handle);
// Get drop node
TreeNode dropNode = this.GetNodeAt(this.PointToClient(new Point(drgevent.X, drgevent.Y)));
if (dropNode == null && this.dragNode.Parent != null)
{
dropNode = NewDocument();
}
var IndexAdd = -1;
if (dropNode != null)
{
if (dropNode.Parent != null)
{
IndexAdd = dropNode.Index;
dropNode = dropNode.Parent;
}
if (this.dragNode.Parent == null && dropNode.Parent == null)
{
this.Nodes.Remove(this.dragNode);
this.Nodes.Insert(dropNode.Index + 1, this.dragNode);
foreach (TreeNode Node in this.Nodes)
{
var Index = Node.Index + 1;
Node.Text = this.MaskDocumentName + Index.ToString();
}
// Disable scroll timer
this.timer.Enabled = false;
return;
}
}
// If drop node isn't equal to drag node, add drag node as child of drop node
if (this.dragNode != dropNode)
{
// Remove drag node from parent
if (this.dragNode.Parent == null)
{
this.Nodes.Remove(this.dragNode);
}
else
{
var ParentNode = this.dragNode.Parent;
ParentNode.Nodes.Remove(this.dragNode);
if (ParentNode.Nodes.Count == 0)
{
if (ParentNode.Parent == null)
{
this.Nodes.Remove(ParentNode);
}
else
{
ParentNode.Parent.Nodes.Remove(ParentNode);
}
}
}
// Add drag node to drop node
if (dropNode != null)
{
if (IndexAdd == -1)
{
dropNode.Nodes.Add(this.dragNode);
}
else
{
dropNode.Nodes.Insert(IndexAdd, this.dragNode);
}
dropNode.ExpandAll();
foreach (TreeNode Node in dropNode.Nodes)
{
var Index = Node.Index + 1;
Node.Text = Index.ToString(this.MaskPageName);
}
// Set drag node to null
this.dragNode = null;
}
else
{
this.Nodes.Add(this.dragNode);
}
}
if (AfterOnDragDrop != null)
{
AfterOnDragDrop(this.dragNode == null ? (TreeNodeCustom)dropNode : (TreeNodeCustom)this.dragNode);
}
// Disable scroll timer
this.timer.Enabled = false;
}
catch (Exception e)
{
ACSLog.InsertLog(MessageBoxIcon.Error, e);
}
}
