private void btn_SearchSubmit_Click(object sender, EventArgs e)
{
BusinessObjects _businessObjects = new BusinessObjects();
// Element reset to be performed each time, before a search is ran
lbl_CatalogResultsFound.Text = null; // Clear contents of search result label
cbx_CatalogResultsList.Items.Clear(); // Clear old search results from results combo box
cbx_CatalogResultsList.Text = ""; // Clear text from visible combobox area
rbx_CatalogSearchResults.Clear(); // Clear search results each time a new search is submitted
catalogItemCollection = null; // Clear inventory items from list
// Verify that a query type was selected by the user
if (cbx_CatalogQueryType.SelectedItem == null)
{
MessageBox.Show("You forgot to select a query type. Please try again", "Invalid Query",
MessageBoxButtons.OK, MessageBoxIcon.Hand);
return;
}
// SEARCH BY MANUFACTURER NAME - Chech to see if user entered a Manufacturer Name
else if (cbx_CatalogQueryType.SelectedItem.ToString() == "Manufacturer")
{
// Generate a list of Inventory Items that match the Manufacturer Name entered by the user
catalogItemCollection = _businessObjects.GetCatalogItemByManufacturer(tbx_CatalogQueryInput.Text);
}
// SEARCH BY ITEM NAME - Check to see if user entered an Item Name
else if (cbx_CatalogQueryType.SelectedItem.ToString() == "Item Name")
{
// Generate a list of Catalog Items that match the Item Name entered by the user
catalogItemCollection = (catalogItemCollection == null) ? new List<CatalogItem>() : catalogItemCollection;
catalogItemCollection.Add(_businessObjects.GetCatalogItemByItemName(tbx_CatalogQueryInput.Text));
}
// SEARCH BY ITEM GUID - Check to see if user entered an ID Number
else if (cbx_CatalogQueryType.SelectedItem.ToString() == "Catalog ID")
{
try
{
// Generate a list of Catalog Items that match the Item ID entered by the user
catalogItemCollection = (catalogItemCollection == null) ? new List<CatalogItem>() : catalogItemCollection;
catalogItemCollection.Add(ApplicationObjects.GetCatalogItemByCatalogItemId(new Guid(tbx_CatalogQueryInput.Text)));
}
catch (Exception)
{ // Catch if a non-Guid was entered
MessageBox.Show("You entered an invalid ID. Please make sure that the ID contains 32 characters and 4 hyphens", "Invalid GUID",
MessageBoxButtons.OK, MessageBoxIcon.Hand);
rbx_CatalogSearchResults.AppendText("Input error - please try again");
return;
}
}
// If nothing is populated into the searchDisplay box, we can assume that there were no search results
else
{
lbl_CatalogResultsFound.Text = "No results found";
}
// Populate label that displays how many results were found
lbl_CatalogResultsFound.Text = (catalogItemCollection.Count.ToString() + " result(s) found!");
// This string list holds the results of an CatalogItem's ToItemDescription method, which actually
// returns a list of individual line items, which each hold the item's attributes that will be
// displayed on seperate lines of the text box
List<string> itemDescriptions = (catalogItemCollection.Count > 0)
? catalogItemCollection.FirstOrDefault().ToItemDescription()
: new List<string>();
foreach (string lineItem in itemDescriptions)
{ // Add each description line item to the text box
rbx_CatalogSearchResults.AppendText(lineItem + Environment.NewLine);
}
// Populate the search result combobox with the Catalog Id numbers of the search results
foreach (CatalogItem catalogItem in catalogItemCollection)
{
cbx_CatalogResultsList.Items.Add(catalogItem.CatalogItemId.ToString());
}
// Set the combobox to show the catalog number of the first search record
if(cbx_CatalogResultsList.Items.Count > 0)
cbx_CatalogResultsList.SelectedIndex = 0;
}