private void ButtonAddNewGroupClick(object sender, EventArgs e)
{
var g = new ComputerPartGroup {Name = "_Nowa grupa", Show = false};
using (var dbContext = new ComputerSetDatabaseContext())
{
var lastSequence = dbContext.ComputerPartGroups.Max(x => x.Sequence);
g.Sequence = ++lastSequence;
dbContext.ComputerPartGroups.Add(g);
dbContext.SaveChanges();
}
buttonAddNewGroup.Enabled = false;
buttonAddNewPart.Enabled = false;
buttonDeleteSelected.Enabled = false;
treeViewGroupsAndParts.Nodes.Clear();
InitializeTreeView();
DiagMsg(string.Format("utworzono nową grupę."));
}
//private static bool ContainsNode(TreeNode node1, TreeNode node2)
//{
// if (node2.Parent == null) return false;
// if (node2.Parent.Equals(node1)) return true;
// // If the parent node is not null or equal to the first node,
// // call the ContainsNode method recursively using the parent of
// // the second node.
// return ContainsNode(node1, node2.Parent);
//}
private void SetGroupControls(ComputerPartGroup g)
{
customTabControl.SelectTab(tabPageGroup);
textBoxName.Text = g.Name;
checkBoxGroupShow.Checked = g.Show;
using (var dbContext = new ComputerSetDatabaseContext())
{
var computerPartGroups = dbContext.ComputerPartGroups.ToList();
computerPartGroups.Insert(0, new ComputerPartGroup { Id = -1, Name = "..." });
comboBoxGroupParents.DataSource = computerPartGroups;
comboBoxGroupParents.DisplayMember = "Name";
comboBoxGroupParents.ValueMember = "Id";
}
comboBoxGroupParents.SelectedValue = g.Parent == null ? -1 : g.Parent.Id;
}