/// <summary>
/// <para>Close the form and update the selected item ID</para>
/// </summary>
private void btnOk_Click(object sender, EventArgs e)
{
if (frmItemTreeTabControl.SelectedTab.Equals(frmItemTreeTabBrowse))
{
if (treeItems.SelectedNode != null)
{
ItemNodeInfo itemNodeInfo = (ItemNodeInfo)treeItems.SelectedNode.Tag;
if (itemNodeInfo.item.Length != 0)
{
m_selectedItemId = treeItems.SelectedNode.Name;
this.Close();
}
}
}
else
{
if (searchResultList.SelectedItems != null &&
searchResultList.SelectedItems.Count != 0)
{
ListViewItem listViewItem = searchResultList.SelectedItems[0];
m_selectedItemId = listViewItem.SubItems[0].Text;
this.Close();
}
}
}
private void beforeNodeExpand(object sender, TreeViewCancelEventArgs e)
{
if (e.Node != null)
{
if (e.Node.Nodes.Count == 1 &&
e.Node.Nodes[0].Name.Equals("") &&
e.Node.Nodes[0].Text.Equals("") &&
e.Node.Nodes[0].Tag == null)
{
// This is a dummy node; the children of this node have not yet been queried
Cursor = Cursors.WaitCursor;
e.Node.Nodes.Remove(e.Node.Nodes[0]); // Remove the dummy node
List <CodeValue> children;
ItemNodeInfo itemNodeInfo = (ItemNodeInfo)e.Node.Tag;
{
// Obtain the items of the type
children = Database.Database.getItems(itemNodeInfo.category, itemNodeInfo.subCategory);
}
String id;
TreeNode node;
String itemId = "";
TreeNode dummyNode = createDummyNode();
foreach (CodeValue child in children)
{
id = child.code.ToString();
node = new TreeNode();
node.Name = id;
node.Text = child.value + " (" + id + ")";
itemId = id;
node.Tag = new ItemNodeInfo(itemNodeInfo.category,
itemNodeInfo.subCategory,
itemId,
true);
e.Node.Nodes.Add(node);
if (itemId.Length == 0)
{
// This is a type so add a dummy item node
node.Nodes.Add((TreeNode)dummyNode.Clone());
}
}
Cursor = Cursors.Default;
}
}
}
