private void Modify(ref CMacro cm_drag, ref CMacro cm_drop, DragEventArgs e)
{
if (cm_drag == cm_drop) // No effect, but just in case
return;
#region Swap/Copy Drag & Drop Macros and update
if ((cm_drag != null) && (cm_drop != null))
{
LogMessage.Log("..DragDrop START:{0} Macro src:{1} dest:{2}",
e.Effect,
cm_drag.Name, cm_drop.Name);
if (e.Effect == DragDropEffects.Link)
{
if (Swap(ref cm_drop, ref cm_drag))
{
// if Swap is successful
// update node names
cm_drag.thisNode.Text = cm_drag.DisplayName();
cm_drop.thisNode.Text = cm_drop.DisplayName();
}
}
else if (e.Effect == DragDropEffects.Copy)
{
if (cm_drop.CopyFrom(cm_drag))
{
// if Copy is successful
// Update node name
// and set Changed true on the Drops macrofile (not handled by copy)
cm_drop.thisNode.Text = cm_drop.DisplayName();
CMacroFile cmf_drop = FindMacroFileByNode(cm_drop.thisNode);
if (cmf_drop != null)
cmf_drop.Changed = true;
}
}
LogMessage.Log("..DragDrop END:{0} Macro src:{1} dest:{2}",
e.Effect,
cm_drag.Name, cm_drop.Name);
}
else LogMessage.Log("....Modify(): Swap Macro, one of the two is null");
#endregion
}
private bool Swap(ref CMacro cm_drop, ref CMacro cm_drag)
{
if ((cm_drop == null) || (cm_drag == null))
return false;
CMacro tmp = new CMacro();
tmp.CopyFrom(cm_drop);
cm_drop.CopyFrom(cm_drag);
cm_drag.CopyFrom(tmp);
CMacroFile cmf_drop = FindMacroFileByNode(cm_drop.thisNode),
cmf_drag = FindMacroFileByNode(cm_drag.thisNode);
if (cmf_drop != null)
{
cmf_drop.Changed = true;
}
if (cmf_drag != null)
{
cmf_drag.Changed = true;
}
return true;
}
