private void Delete()
{
if (treeView.SelectedNode == null)
{
Message("Nothing selected." + Environment.NewLine);
return;
}
TreeNode parent = treeView.SelectedNode.Parent;
if ((parent == null) || !(parent.Tag is ValueInfo))
{
Message("Cannot remove this node." + Environment.NewLine);
return;
}
ValueInfo valueInfo = (ValueInfo)parent.Tag;
DatatreeDotNet.dt_type_t t = DatatreeDotNet.dt_value_type(valueInfo.Value);
if (t == DatatreeDotNet.dt_type_t.DT_ARRAY)
{
uint w = (uint)parent.Nodes.IndexOf(treeView.SelectedNode);
IntPtr o = IntPtr.Zero;
DatatreeDotNet.dt_create_value(datatree, ref o, OnError, null, DatatreeDotNet.dt_type_t.DT_NULL);
DatatreeDotNet.dt_remove_array_elem_at
(
datatree,
DatatreeDotNet.dt_value_data(valueInfo.Value),
w,
o
);
DatatreeDotNet.dt_destroy_value(datatree, o);
}
else if (t == DatatreeDotNet.dt_type_t.DT_OBJECT)
{
uint w = (uint)parent.Nodes.IndexOf(treeView.SelectedNode);
IntPtr k = IntPtr.Zero;
IntPtr v = IntPtr.Zero;
DatatreeDotNet.dt_create_value(datatree, ref k, OnError, null, DatatreeDotNet.dt_type_t.DT_NULL);
DatatreeDotNet.dt_create_value(datatree, ref v, OnError, null, DatatreeDotNet.dt_type_t.DT_NULL);
DatatreeDotNet.dt_remove_object_member_at
(
datatree,
DatatreeDotNet.dt_value_data(valueInfo.Value),
w,
k,
v
);
DatatreeDotNet.dt_destroy_value(datatree, k);
DatatreeDotNet.dt_destroy_value(datatree, v);
}
else
{
Debug.Fail("Impossible");
}
parent.Nodes.Remove(treeView.SelectedNode);
EditState = EditStates.OpenedNotSaved;
}
private void WalkValue(TreeNode node, IntPtr v, bool readOnly)
{
DatatreeDotNet.dt_type_t t = DatatreeDotNet.dt_value_type(v);
switch (t)
{
case DatatreeDotNet.dt_type_t.DT_NULL:
case DatatreeDotNet.dt_type_t.DT_BOOL:
case DatatreeDotNet.dt_type_t.DT_LONG:
case DatatreeDotNet.dt_type_t.DT_DOUBLE:
case DatatreeDotNet.dt_type_t.DT_STRING:
node.Tag = new ValueInfo(v, readOnly, false);
string str = Util.FormatValue(datatree, v, false);
node.Text = str;
if (node.Nodes.Count != 0)
{
node.Nodes.Clear();
}
break;
case DatatreeDotNet.dt_type_t.DT_OBJECT:
node.Tag = new ValueInfo(v, readOnly, true);
node.Text = "{ ... }";
WalkObject(node, DatatreeDotNet.dt_value_data(v));
break;
case DatatreeDotNet.dt_type_t.DT_ARRAY:
node.Tag = new ValueInfo(v, readOnly, true);
node.Text = "[ ... ]";
WalkArray(node, DatatreeDotNet.dt_value_data(v));
break;
}
}
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;
}
