private void Add(Func <string> source)
{
if (treeView.SelectedNode == null)
{
Message("Nothing selected." + Environment.NewLine);
return;
}
if (!(treeView.SelectedNode.Tag is ValueInfo))
{
Message("Cannot add to this node." + Environment.NewLine);
return;
}
ValueInfo valueInfo = (ValueInfo)treeView.SelectedNode.Tag;
DatatreeDotNet.dt_type_t t = DatatreeDotNet.dt_value_type(valueInfo.Value);
if (t == DatatreeDotNet.dt_type_t.DT_ARRAY)
{
string ipt = source();
IntPtr o = IntPtr.Zero;
DatatreeDotNet.dt_create_value(datatree, ref o, OnError, ipt);
uint idx = 0;
DatatreeDotNet.dt_add_array_elem
(
datatree,
DatatreeDotNet.dt_value_data(valueInfo.Value),
o,
ref idx
);
}
else if (t == DatatreeDotNet.dt_type_t.DT_OBJECT)
{
string ipt = source();
IntPtr k = IntPtr.Zero;
IntPtr v = IntPtr.Zero;
DatatreeDotNet.dt_create_value(datatree, ref k, OnError, ipt);
DatatreeDotNet.dt_create_value(datatree, ref v, OnError, "null");
uint idx = 0;
DatatreeDotNet.dt_status_t status = DatatreeDotNet.dt_add_object_member
(
datatree,
DatatreeDotNet.dt_value_data(valueInfo.Value),
k,
v,
ref idx
);
if (status == DatatreeDotNet.dt_status_t.DT_KEY_EXISTS)
{
Message("A key-value pair with the same key already exists." + Environment.NewLine);
return;
}
}
else
{
Message("Cannot add to this node." + Environment.NewLine);
return;
}
treeView.SelectedNode.Nodes.Add(new TreeNode());
UpdateNodes();
EditState = EditStates.OpenedNotSaved;
}