internal void UpdateFromItem(DataItem item, HashSet <DataItem> removedItems)
{
foreach (var d in item.ItemData)
{
var current = ItemData[d.Name];
if (current != null)
{
if (d.IsDefaultValue || d is DataDeletedNode)
{
if (current is DataItem)
{
removedItems.Add((DataItem)current);
}
ItemData.Remove(current);
}
else if (current.GetType() != d.GetType() || current is DataValue)
{
var i = ItemData.IndexOf(current);
ItemData [i] = d;
if (current is DataItem)
{
removedItems.Add((DataItem)current);
}
}
else if (current is DataItem)
{
((DataItem)current).UpdateFromItem((DataItem)d, removedItems);
}
}
else if (!d.IsDefaultValue && !(d is DataDeletedNode))
{
ItemData.Add(d);
}
}
}
private void btnAddPizza_Click(object sender, EventArgs e)
{
// Validation
if (cbOrder.SelectedIndex > -1 && cbPizzas.SelectedIndex > -1 && cbCrust.SelectedIndex > -1)
{
try {
int selectedOrderId = int.Parse(cbOrder.Text);
Enum.TryParse(cbPizzas.SelectedItem.ToString().Trim(), out Topping topping);
Enum.TryParse(cbCrust.SelectedItem.ToString().Trim(), out Crust crust);
Item item = new Item(++itemId, selectedOrderId, new Pizza(crust, topping), null);
itemData.Add(item);
UpdatelbOrders(selectedOrderId);
}
catch (Exception ex)
{
// Write it in a Log file
}
}
}
internal void UpdateFromItem(DataItem item, HashSet <DataItem> removedItems)
{
var counter = new Dictionary <string, int> ();
foreach (var d in item.ItemData)
{
DataNode current = null;
DataCollection col;
if (!counter.ContainsKey(d.Name))
{
counter [d.Name] = 0;
}
var index = ItemData.FindData(d.Name, out col, false, counter[d.Name]);
counter [d.Name]++;
if (index != -1)
{
current = col [index];
}
if (current != null)
{
if (d.IsDefaultValue || d is DataDeletedNode)
{
if (current is DataItem)
{
removedItems.Add((DataItem)current);
}
ItemData.Remove(current);
}
else if (current.GetType() != d.GetType() || current is DataValue)
{
var i = ItemData.IndexOf(current);
ItemData [i] = d;
if (current is DataItem)
{
removedItems.Add((DataItem)current);
}
}
else if (current is DataItem)
{
((DataItem)current).UpdateFromItem((DataItem)d, removedItems);
}
}
else if (!d.IsDefaultValue && !(d is DataDeletedNode))
{
var dataItem = d as DataItem;
if (dataItem != null)
{
var newDataItem = new DataItem()
{
Name = d.Name,
UniqueNames = dataItem.UniqueNames
};
newDataItem.UpdateFromItem(dataItem, removedItems);
ItemData.Add(newDataItem);
}
else
{
ItemData.Add(d);
}
}
}
}
