void OnComboBoxStatementDropDownClosed(object sender, FillItemsNeededEventArgs e)
{
IsComboOpen = false;
UpdateDocumentBinding();
}
/// <summary>
/// when requested it fills the comboboxes with items from the graph
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
protected void OnFillItemsNeeded(object sender, FillItemsNeededEventArgs args)
{
ComboBox comboBox = sender as ComboBox;
if (comboBox != null && args != null)
{
object selectedItem = comboBox.SelectedItem;
switch (args.Statement)
{
case Statement.Select:
FillItemsWithNextNodesLabels(comboBox);
break;
case Statement.Load:
comboBox.Items.Clear();
FillItemsWithIncomingOutputsFromPreviousNodes(comboBox);
break;
}
if (comboBox.Items.Contains(selectedItem))
{
comboBox.SelectedItem = selectedItem;
}
}
}
/// <summary>
/// If any of child comboboxes is opened fire the FillItemsNeeded
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnComboBoxStatementDropDownOpened(object sender, FillItemsNeededEventArgs args)
{
IsComboOpen = true;
if (FillItemsNeeded != null)
{
FillItemsNeeded(sender, args);
}
}
