// handles when the user selects a product
private void ProductsListBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
if (ProductsListBox.SelectedIndex == -1)
{
return;
}
StatusBar.BeginUpdateMessage("Loading selected product details...");
ThreadPool.QueueUserWorkItem(OnProductChangedWorker, ProductsListBox.SelectedItem);
}
// handles when the user selects a category, all matching products are retrieved and displayed
private void ProductCategoriesListBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
if (ProductCategoriesListBox.SelectedIndex == -1)
{
return;
}
// no product selected
ProductDetails.DataContext = null;
// load all products for selected category
StatusBar.BeginUpdateMessage("Loading products for selected category...");
ThreadPool.QueueUserWorkItem(OnProductCategoryChangedWorker, ProductCategoriesListBox.SelectedItem);
}
public MainPage()
{
// Required to initialize variables
InitializeComponent();
// init the application
StatusBar.BeginUpdateMessage("Initalizing application...");
_syncContext = SynchronizationContext.Current;
// establish link to the status panel with the details panel
ProductDetails.StatusBarPanel = StatusBar;
// load product categories
StatusBar.BeginUpdateMessage("Loading product categories...");
LoadProductCategories();
}
// get list of all products
private void ProductCategoryListBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
StatusBar.BeginUpdateMessage("Loading products for selected category...");
ProductDetails.ResetProductDetails();
// get the selected item
if (ProductCategoryListBox.SelectedIndex > -1)
{
ListItem category = (ListItem)ProductCategoryListBox.SelectedItem;
CamlQuery query = new CamlQuery();
query.ViewXml = "<View><Query><Where><Eq><FieldRef Name='Category' /><Value Type='Lookup'>" + category["Title"] + "</Value></Eq></Where><OrderBy><FieldRef Name='Title' /></OrderBy></Query></View>";
List productList = Global.GetClientContext().Web.Lists.GetByTitle("Products");
_products = productList.GetItems(query);
Global.GetClientContext().Load(_products);
Global.GetClientContext().ExecuteQueryAsync(OnSucceededListenerGetProducts, OnFailListener);
}
}
// handles event when the connected status changes
private void MainWindow_ConnectedStatusChanged(object sender, EventArgs e)
{
if (this.IsConnected)
{
// disable the url textbox
WingtipSiteUrlTextBox.IsEnabled = false;
StatusBar.BeginUpdateMessage("Loading product categories...");
ThreadPool.QueueUserWorkItem(LoadProductCategories);
}
else
{
// disable the url textbox
WingtipSiteUrlTextBox.IsEnabled = true;
// reset & disable categoties & product list boxes
ProductCategoriesListBox.DataContext = null;
ProductsListBox.DataContext = null;
}
}
// get product details
private void ProductListBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
if (ProductListBox.SelectedIndex == -1)
{
return;
}
StatusBar.BeginUpdateMessage("Loading selected product details...");
// get the selected item
ListItem selectedProduct = (ListItem)ProductListBox.SelectedItem;
CamlQuery query = new CamlQuery();
query.ViewXml = "<View><Query><Where><Eq><FieldRef Name='Title' /><Value Type='Text'>" + selectedProduct["Title"] + "</Value></Eq></Where></Query></View>";
List productList = Global.GetClientContext().Web.Lists.GetByTitle("Products");
_products = productList.GetItems(query);
Global.GetClientContext().Load(_products);
Global.GetClientContext().ExecuteQueryAsync(OnSucceededListenerGetProductDetails, OnFailListener);
}
// handles the click event when user connects to a site
private void ConnectSiteButton_Click(object sender, System.Windows.RoutedEventArgs e)
{
if (!this.IsConnected)
{
// disable UI and show it's working
WingtipSiteUrlTextBox.IsEnabled = false;
ConnectSiteButton.IsEnabled = false;
Cursor = Cursors.Wait;
StatusBar.BeginUpdateMessage("Connecting to remote SharePoint site...");
ThreadPool.QueueUserWorkItem(OnConnectSiteButtonWorker, WingtipSiteUrlTextBox.Text);
}
else
{
Globals.ClientContext = null;
this.IsConnected = false;
ConnectSiteButton.Content = "Connect to SharePoint Site";
StatusBar.EndUpdateMessage();
// raise event that the connected status changed
OnConnectedStatusChanged(new EventArgs());
}
}
