public void insertItemIntoKeyboardBuffer(inventoryItem itm)
{
System.Windows.Forms.SendKeys.Send(itm.ItemID + "\r");
}
private void btnAddItem_Click(object sender, EventArgs e)
{
if (txtItemToAdd.Text.Length > 0)
{
inventoryItem i = new inventoryItem(txtItemToAdd.Text, txtDescription.Text);
if (lstListOfItems.FindString(i.ToString()) == -1)
{
lstListOfItems.Items.Add(i);
}
}
}
//Declaration of methods
// The constructor - we need to have both the barcode string and its associated inventory item
// when we construct it. It doesn't make any sense in our system to have a barcode without an
// associated item. The only approved constructor of a barcode is an inventory
// item. Inventory items create barcodes. No one else should.
public barcode(String bc, inventoryItem i)
{
barcodeText = bc;
item = i;
barcodeList.Add(bc, this); // this is a new barcode, so we add it to our barcode list
}
private void updateBarcodeList(inventoryItem itm)
{
lstBarcodes.Items.Clear();
if (itm != null)
{
Dictionary<string, barcode> bcodes = itm.BarcodeList;
foreach (KeyValuePair<string, barcode> b in bcodes)
{
lstBarcodes.Items.Add(b.Value);
}
}
}
// Given an xml node named "itemNode" with all its child nodes, this
// method creates a new inventory item and returns a reference for it
// to the calling program. If for some reason, the item cannot be
// created, most likely because the xml is incorrect, then this
// method returns a null reference. The Item node must contain an
// item_id child node, and it can optionally contain a Description
// child node, and optionally contain a "Barcodes" child node
private static inventoryItem createItemFromXML(XmlNode itemNode)
{
inventoryItem itm = null;
String itemText = null;
String descriptText = null;
foreach (XmlNode node in itemNode.ChildNodes)
{
if (node.Name == "Item_ID")
{
itemText = node.InnerText;
}
if (node.Name == "Description")
{
descriptText = node.InnerText;
}
}
if (itemText != null)
{
// let's check to see if the item already exists
if (itemDictionary.ContainsKey(itemText))
{
if(itemDictionary.TryGetValue(itemText, out itm))
{
itm.description = descriptText;
}
}
else
{
if (descriptText != null)
{
itm = new inventoryItem(itemText, descriptText);
}
else
{
itm = new inventoryItem(itemText);
}
}
}
return itm;
}
// Given an xml node <Barcodes> with all its child nodes, this
// method creates a barcode instance for each <Barcode> and
// assigns it to the inventory item.
private static void assignBarcodesToItemFromXML(XmlNode bcList, inventoryItem itm)
{
if (bcList != null)
{
foreach (XmlNode node in bcList.ChildNodes)
{
if (node.Name == "Barcode")
{
string bcText = node.InnerText;
itm.assignBarcode(bcText);
}
}
}
}