/// <summary>
/// Handles the OnResetButtonClicked event from the app bar button. It refreshed
/// the list with all the books in the library. This is OK as there are only a
/// handful of books in the library.
/// </summary>
/// <param name="sender">Instance of the App Bar button</param>
/// <param name="e">Instance of the event args.</param>
private void OnResetButtonClicked(object sender, RoutedEventArgs e)
{
// Get the matching books.
var books = LibraryDataSource.ResetAllBooks();
// Add the search results to the binding datasource.
this.DefaultViewModel["Items"] = books;
if (books.Count() > 0)
{
this.resultsListView.SelectedIndex = 0;
}
}
/// <summary>
/// Handles the ExecuteSearch event raised from the
/// <see cref="THLibrary.CustomControls.CurrentSearchViewer"/> custom
/// control. It is responsible for the search being executed against
/// the underlying data model.
/// </summary>
/// <param name="sender">Instance of the CurrentSearchViewer Custom Control</param>
/// <param name="e">Instance of the eventArgs which contain the search criteria</param>
private void SearchViewer_Execute(object sender, SearchEventArgs e)
{
// Get the matching books.
var matchingBooks = LibraryDataSource.GetMatchingBooks(e.SearchCriteria);
// Add the search results to the binding datasource.
this.DefaultViewModel["Items"] = matchingBooks;
if (matchingBooks.Count() > 0)
{
this.resultsListView.SelectedIndex = 0;
}
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
// Create the datasource for the Books.
var libraryBooks = LibraryDataSource.GetBooks();
this.DefaultViewModel["Items"] = libraryBooks;
// Create the datasource for the Searches binding.
var searches = LibraryDataSource.GetSearches();
this.DefaultViewModel["Searches"] = searches;
// Create the datasource for the CurrentSearch.
var currentSearch = LibraryDataSource.GetCurrentSearch();
this.DefaultViewModel["Current"] = currentSearch;
}
/// <summary>
/// Handles the Checked event for the group of radio buttons on the page
/// </summary>
/// <param name="sender">The RadioButton that raised the event</param>
/// <param name="e">The args for the event</param>
private void SelectSortSequence(object sender, RoutedEventArgs e)
{
// Don't process anything if the datamodel is not initialised, things are being loaded.
if (this.DefaultViewModel.Count() == 0)
{
return;
}
// The button is names according to the enumeration.
BookSortEnum seq = (BookSortEnum)Enum.Parse(typeof(BookSortEnum), (sender as RadioButton).Name);
// Set the current sort sequence
LibraryDataSource.SetSortSequence(seq);
// retrieve the books sorted accordingly
var books = LibraryDataSource.GetBooks();
this.DefaultViewModel["Items"] = books;
}
/// <summary>
/// Handles the selection Changed event for the drop down list of saved searches.
/// </summary>
/// <param name="sender">Instance of the cbSelectSearch drop down box.</param>
/// <param name="e"></param>
private void cbSelectSearch_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// Try setting the selected search type for the current search (SelectedSearchTypeIndex)
if (e.AddedItems.Count() == 1)
{
// TODO: Refactor some of this to a New SearchViewModel constructor or Factory (IN the LibraryDataSource (the View Model)
// Retrieve the curent search, ready for update.
// must add to a collection, with only 1 item, to avoid an exception.
var currentSearch = LibraryDataSource.GetCurrentSearch();
// Get the selected search from the drop down.
var selectedSearch = (SearchViewModel)e.AddedItems[0];
// Get the available SearchTypes.
var searchTypes = LibraryDataSource.GetSearchTypes();
// Update the CurrentSearch with the selected search.
currentSearch.First().SetSearch(selectedSearch, searchTypes);
}
}
/// <summary>
/// Handles the OnNewSearchButtonClicked even from the app bar button
/// </summary>
/// <param name="sender">Instance of the App Bar button</param>
/// <param name="e">Instance of the event args.</param>
private void OnNewSearchButtonClicked(object sender, RoutedEventArgs e)
{
// TODO: Refactor some of this to a New SearchViewModel constructor or Factory (IN the LibraryDataSource (the View Model)
// Reset the setting in the CurrentSearchViewer.
// 1 Blank Search String
// 2 Search Types to "Select a search Type......"
// 3 Searchable Values to empty
var currentSearch = LibraryDataSource.GetCurrentSearch();
var searchTypes = LibraryDataSource.GetSearchTypes();
var selectedSearch = new SearchViewModel()
{
UniqueId = string.Empty,
Type = searchTypes[0].Type,
SearchString = string.Empty,
SearchDate = DateTime.Now.ToString(),
};
currentSearch.First().SetSearch(selectedSearch, searchTypes);
}
/// <summary>
/// Handles the OnSaveSearchButtonClicked event from the app bar button
/// </summary>
/// <param name="sender">Instance of the App Bar button</param>
/// <param name="e">Instance of the event args.</param>
private void OnSaveSearchButtonClicked(object sender, RoutedEventArgs e)
{
LibraryDataSource.AddSearch(LibraryDataSource.GetCurrentSearch().First());
}
