private void treeViewDragDrop(DragEventArgs e)
{
var p = clientPointFrom(e);
var targetNode = _treeView.CalcHitInfo(p).Node;
var draggedNodes = getDraggedNodesFrom(e);
draggedNodes.Each(node => _presenter.MoveNode(node, nodeFrom(targetNode)));
e.Effect = DragDropEffects.None;
}
private void onMouseDown(object sender, MouseEventArgs e)
{
this.DoWithinExceptionHandler(() =>
{
var hitInfo = _treeView.CalcHitInfo(e.Location);
if (hitInfo == null)
{
return;
}
if (hitInfo.Node == null)
{
return;
}
var treeNode = _treeView.NodeFrom(hitInfo.Node);
if (treeNode.IsAnImplementationOf <HierarchicalStructureNode>() && e.Button.Equals(MouseButtons.Left))
{
HierarchicalStructureNode node = (HierarchicalStructureNode)treeNode;
var dragItem = _presenter.GetReferenceObjectFrom(node.Tag);
if (dragItem != null)
{
DoDragDrop(dragItem, DragDropEffects.Copy);
}
}
});
}
private void onMouseClick(object sender, MouseEventArgs e)
{
this.DoWithinExceptionHandler(() =>
{
if (e.Button.Equals(MouseButtons.Right))
{
var hitInfo = _treeView.CalcHitInfo(e.Location);
if (hitInfo.Node == null)
{
_presenter.CreatePopupMenuFor(null).At(e.Location);
}
}
});
}
private void onClick(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Right)
{
return;
}
//Show popup only if click was performed on empty space
var hitInfo = _treeView.CalcHitInfo(e.Location);
if (hitInfo.Node != null)
{
return;
}
_presenter.CreatePopupMenuFor(null).At(e.Location);
}