/// <summary>
/// Check for barcode reader key combinations when textcomposition is entered
/// </summary>
/// <param name="sender">Object that triggered the event</param>
/// <param name="e">Event details</param>
private void HandleBarcodeScan(object sender, TextCompositionEventArgs e)
{
// leftCtrl + B focus upcText and set reading to true
if (Keyboard.IsKeyDown(Key.LeftCtrl) && Keyboard.IsKeyDown(Key.B))
{
UPCText.Text = "";
UPCText.Focus();
reading = true;
}
// leftCtrl + J take the UPC from UPCText and find the item if it exists
// otherwise clear fields and prepare for new item entry
else if (Keyboard.IsKeyDown(Key.LeftCtrl) && Keyboard.IsKeyDown(Key.J))
{
if (reading)
{
// find the item associated with the upc entered
ItemDTO lItem = itemDTOs
.Cast <ItemDTO>()
.Where(item => item.UPC.Equals(UPCText.Text)).FirstOrDefault();
if (lItem != null)
{
CategoryListComboBox.SelectedIndex = CategoryListComboBox.Items.IndexOf(Category.createDTOFromCategory(lItem.Category));
InventoryListBox.SelectedIndex = InventoryListBox.Items.IndexOf(lItem);
}
else
{
InventoryListBox.SelectedIndex = -1;
string upc = UPCText.Text;
ClearInputs();
UPCText.Text = upc;
}
}
reading = false;
}
}
public InventoryPage()
{
InitializeComponent();
UPCText.Focus();
PopulateItemList();
FillCategoryComboBox();
FillItemList(itemDTOs);
}