private void treeView_lib_f2_DragDrop(object sender, DragEventArgs e)
{
TreeView treeView = sender as TreeView;
// Retrieve the client coordinates of the drop location.
Point targetPoint = treeView.PointToClient(new Point(e.X, e.Y));
// Retrieve the node at the drop location.
MyTreeNode targetNode = (MyTreeNode)treeView.GetNodeAt(targetPoint);
// Retrieve the node that was dragged.
MyTreeNode draggedNode = (MyTreeNode)e.Data.GetData(typeof(MyTreeNode));
// Confirm that the node at the drop location is not
// the dragged node or a descendant of the dragged node.
if (targetNode == null)
{
targetNode = (MyTreeNode)treeView.Nodes[0]; //als jij niet op een node sleept, targetNode wordt rootnode
}
if (!draggedNode.Equals(targetNode) && !ContainsNode(draggedNode, targetNode))
{
// If it is a move operation, remove the node from its current
// location and add it to the node at the drop location.
if (e.Effect == DragDropEffects.Move)
{
draggedNode.Remove();
targetNode.Nodes.Add(draggedNode);
}
// If it is a copy operation, clone the dragged node
// and add it to the node at the drop location.
else if (e.Effect == DragDropEffects.Copy)
{
targetNode.Nodes.Add((MyTreeNode)draggedNode.Clone());
}
// Expand the node at the location
// to show the dropped node.
targetNode.Expand();
}
}
public void treeView_DragDrop(object sender, DragEventArgs e)
{
TreeView treeView = sender as TreeView;
// Retrieve the client coordinates of the drop location.
Point targetPoint = treeView.PointToClient(new Point(e.X, e.Y));
// Retrieve the node at the drop location.
MyTreeNode targetNode = (MyTreeNode)treeView.GetNodeAt(targetPoint);
// Retrieve the node that was dragged.
MyTreeNode draggedNode = (MyTreeNode)e.Data.GetData(typeof(MyTreeNode));
// Confirm that the node at the drop location is not
// the dragged node or a descendant of the dragged node.
if (targetNode == null)
{
targetNode = (MyTreeNode)treeView.Nodes[0]; //als jij niet op een node sleept, targetNode wordt rootnode
}
if (!draggedNode.Equals(targetNode) && !ContainsNode(draggedNode, targetNode))
{
// If it is a move operation, remove the node from its current
// location and add it to the node at the drop location.
if (e.Effect == DragDropEffects.Move)
{
if (targetNode.nNode.GetClass() == "Signal" && draggedNode.nNode.GetClass() == "Signal")
{
Signal sTarget = (Signal)targetNode.nNode;
Signal sDragged = (Signal)draggedNode.nNode;
sTarget.Connect(sDragged);
MyTreeNode t = (MyTreeNode)targetNode.Parent;
Device parentD = (Device)t.nNode;
//System.Console.WriteLine("Connected: "+sTarget.ConnectedSignal.sNode + sDragged.ConnectedSignal.sNode);
targetNode.ForeColor = System.Drawing.Color.Green;
draggedNode.ForeColor = System.Drawing.Color.Green;
//refresh tree
MyTreeNode treeRoot = (MyTreeNode)treeView_proj.Nodes[0];
Node root = treeRoot.nNode;
loadColors(treeRoot);
treeView_sig.Nodes.Clear();
PopulateSigTree(root);
//sTarget.Disconnnect(sDragged);
//System.Console.WriteLine("Connected: " + sTarget.ConnectedSignal.sNode + sDragged.ConnectedSignal.sNode);
}
if ((targetNode.nNode.GetClass() == "Device" && draggedNode.nNode.GetClass() != "Signal") || (targetNode.nNode.GetClass() == "Node" && draggedNode.nNode.GetClass() == "Signal") || (targetNode.nNode.GetClass() == "Signal"))
{
return;
}
else
{
//Remove and Add node in Data
MyTreeNode parentNode = (MyTreeNode)draggedNode.Parent;
// MyTreeNode cloneNode = (MyTreeNode)draggedNode.Clone();
if (parentNode == null)
{
return;
}
parentNode.nNode.RemoveNode(draggedNode.nNode);
targetNode.nNode.AddNode(draggedNode.nNode);
//Remove and Add node in the tree
//Always do this after manipulating the data, otherwise the parentNode is not accurate
draggedNode.Remove();
targetNode.Nodes.Add(draggedNode); //Put dragged node on top (bottom is default)
}
}
// Expand the node at the location
// to show the dropped node.
targetNode.Expand();
}
}