/// <summary>
/// This method select current object from list and marked selected item.
/// </summary>
/// <param name="sender">object</param>
/// <param name="e">SelectionChangedEventArgs</param>
private void listBoxComponent_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.AddedItems.Count > 0)
{
var mySelectedItem = e.AddedItems[0] as ComponentItem;
if (mySelectedItem != null)
{
itemComponentToDelete = mySelectedItem;
}
}
}
/// <summary>
/// Method called after back from another page.
/// </summary>
/// <param name="e">NavigationEventArgs</param>
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
// Call the base method.
base.OnNavigatedTo(e);
// Define the query to gather all of the to-do items.
var ComponentItemInDB = from ViewModels.ComponentItem todo in ComponentDB.ComponentItems select todo;
// Execute the query and place the results into a collection.
ComponentItems = new ObservableCollection<ViewModels.ComponentItem>(ComponentItemInDB);
// Create a strings for containing data about chosen component
string component;
// Try get value for component
if (NavigationContext.QueryString.TryGetValue("component", out component))
{
if (component.Equals("listToDo"))
{
var firstOccurence = ComponentItems.Where(item => item.ItemName == "List to do");
if (firstOccurence.Count() == 0)
{
// Create a new to-do item based on the text box.
ViewModels.ComponentItem newComponent = new ViewModels.ComponentItem { ItemName = "List to do"};
// Add a to-do item to the observable collection.
ComponentItems.Add(newComponent);
// Add a component item to the local database
ComponentDB.ComponentItems.InsertOnSubmit(newComponent);
}
}
else if (component.Equals("aphorism"))
{
var firstOccurence = ComponentItems.Where(item => item.ItemName == "Aphorism");
if (firstOccurence.Count() == 0)
{
// Create a new to-do item based on the text box.
ViewModels.ComponentItem newComponent = new ViewModels.ComponentItem { ItemName = "Aphorism" };
// Add a to-do item to the observable collection.
ComponentItems.Add(newComponent);
// Add a component item to the local database
ComponentDB.ComponentItems.InsertOnSubmit(newComponent);
}
}
}
// Define the query to gather all of the time items.
var TimeItemInDB = from ViewModels.TimeItem times in ComponentDB.TimeItems select times;
// Execute the query and place the results into a collection.
TimeItems = new ObservableCollection<ViewModels.TimeItem>(TimeItemInDB);
// Save changes to the database.
ComponentDB.SubmitChanges();
// Checking if any element is in lists
CheckAddedElements();
}
/// <summary>
/// This method delete component from list and database.
/// </summary>
/// <param name="sender">object</param>
/// <param name="e">RoutedEventArgs</param>
private void DeleteComponent_Click(object sender, RoutedEventArgs e)
{
if (itemComponentToDelete != null)
{
ComponentItems.Remove(itemComponentToDelete);
ComponentDB.ComponentItems.DeleteOnSubmit(itemComponentToDelete);
// Set to null itemTimeToDelete
itemComponentToDelete = null;
// Save changes to the database.
ComponentDB.SubmitChanges();
// Checking if any element is in lists
CheckAddedElements();
}
}
/// <summary>
/// Send information about chosen location to main page.
/// </summary>
/// <param name="sender">object</param>
/// <param name="e">RoutedEventArgs</param>
private void btnSaveLocation_Click(object sender, RoutedEventArgs e)
{
// Define the query to gather all of the to-do items.
var ComponentItemInDB = from ViewModels.ComponentItem todo in ComponentDB.ComponentItems select todo;
// Execute the query and place the results into a collection.
ComponentItems = new ObservableCollection<ViewModels.ComponentItem>(ComponentItemInDB);
// Finding existing element from database
var firstOccurence = ComponentItems.Where(item => item.ItemName == "Weather");
if (firstOccurence.Count() == 0)
{
// Create a new weather item based on the text box.
ViewModels.ComponentItem newComponent = new ViewModels.ComponentItem { ItemName = "Weather", Data = tbxCity.Text + "," + tbxCountry.Text };
// Add a weather item to the observable collection.
ComponentItems.Add(newComponent);
// Add a component item to the local database
ComponentDB.ComponentItems.InsertOnSubmit(newComponent);
}
else
{
// Delete Old record from database.
ComponentDB.ComponentItems.DeleteAllOnSubmit(firstOccurence);
// Add new record to database.
// Create a new weather item based on the text box.
ViewModels.ComponentItem newComponent = new ViewModels.ComponentItem { ItemName = "Weather", Data = tbxCity.Text + "," + tbxCountry.Text };
// Add a weather item to the observable collection.
ComponentItems.Add(newComponent);
// Add a component item to the local database
ComponentDB.ComponentItems.InsertOnSubmit(newComponent);
}
// Save changes to the database.
ComponentDB.SubmitChanges();
// Navigate back to the main page.
NavigationService.Navigate(new Uri("/MainPage.xaml", UriKind.Relative));
}
