/// <summary>
/// Returns a collection of Books sorted according to the specified sort sequence.
/// </summary>
/// <param name="sequence">The Sort sequence</param>
/// <returns>Sorted collection of Books</returns>
public static IEnumerable <BookViewModel> GetBooks(BookSortEnum sequence)
{
IEnumerable <BookViewModel> sortedBooks = new List <BookViewModel>();
switch (sequence)
{
case BookSortEnum.Title:
sortedBooks = _libraryDataSource.AllBooks.OrderBy(x => x.Title);
break;
case BookSortEnum.Author:
sortedBooks = _libraryDataSource.AllBooks.OrderBy(x => x.Author);
break;
}
return(sortedBooks);
}
/// <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>
/// Method <c>LoadData</c> is called to load the view model with the data
/// from the underlying Data Model, via the repositories, which access
/// the underlying Data Model.
/// </summary>
private void LoadData()
{
// Load _allBooks (LibraryRepository)
var allBooks = _libraryRepository.GetAllBooks();
// Process each indiviually to ensure the UI observable stuff is updated.
foreach (var book in allBooks)
{
this.AllBooks.Add(MapLibraryBookToBookViewModel.Map(book));
}
// Load _allSearches (SearchRepository)
var allSearches = _searchRepository.GetSearches();
foreach (var search in allSearches)
{
this.AllSearches.Add(MapSearchCriteriaToSearchViewModel.Map(search));
}
var searchTypes = _searchRepository.GetSearchTypes();
foreach (var searchType in searchTypes)
{
// Create a SearchTypeViewModel
SearchTypesViewModel typeVM = new SearchTypesViewModel()
{
Type = searchType,
Values = new ObservableCollection<string>()
};
// Add a "Select" message as the first value for the search Type.
// TODO: Correct the Grammer for this function, select An Author, Select a Keyword.
if (searchType == "SearchString")
typeVM.Values.Add(string.Format("Type a value into the search string"));
else
typeVM.Values.Add(string.Format("Select a {0}....", searchType));
// Get the possible values from the library.
var values = _libraryRepository.GetSearchableBookValues(searchType);
// Add each possible value into the SearchTypesViewModel
foreach (var val in values)
{
typeVM.Values.Add(val);
}
// Add the SearchType to the view model
this.CurrentSearch.SearchTypes.Add(typeVM);
this.SearchTypes.Add(typeVM);
}
// Load _currentSearch (item 0 of the searches loaded, if there are any)
if (this.AllSearches.Count() == 0)
{
// set to new search
this.CurrentSearch.UniqueId = string.Empty;
this.CurrentSearch.Type = _searchTypes[0].Type;
this.CurrentSearch.SearchString = string.Empty;
this.CurrentSearch.SearchDate = DateTime.Now.ToString();
this.CurrentSearch.SelectedTypeIndex = 0;
this.CurrentSearch.SelectedTypeValueIndex = 0;
}
else
{
// Set to the first search.
this.CurrentSearch.UniqueId = this.AllSearches[0].UniqueId;
this.CurrentSearch.Type = this.AllSearches[0].Type;
this.CurrentSearch.SearchString = this.AllSearches[0].SearchString;
this.CurrentSearch.SearchDate = this.AllSearches[0].SearchDate;
int idx = this.SearchTypes.IndexOf(new SearchTypesViewModel() { Type = this.CurrentSearch.Type });
this.CurrentSearch.SelectedTypeIndex = idx;
this.CurrentSearch.SelectedTypeValueIndex = 0;
}
// Set the default sort sequence for display, which is by Title
this._currentSortSequence = BookSortEnum.Title;
}
/// <summary>
/// Sets the current sort sequence for displaying the list of books, as specified
/// by the <see cref="THLibrary.DataModel.BookSortEnum"/> enumeration.
/// </summary>
/// <param name="sequence">The Sort Sequence to be set.</param>
public static void SetSortSequence(BookSortEnum sequence)
{
_libraryDataSource._currentSortSequence = sequence;
}
/// <summary>
/// Returns a collection of Books sorted according to the specified sort sequence.
/// </summary>
/// <param name="sequence">The Sort sequence</param>
/// <returns>Sorted collection of Books</returns>
public static IEnumerable<BookViewModel> GetBooks(BookSortEnum sequence)
{
IEnumerable<BookViewModel> sortedBooks = new List<BookViewModel>();
switch (sequence)
{
case BookSortEnum.Title:
sortedBooks = _libraryDataSource.AllBooks.OrderBy(x => x.Title);
break;
case BookSortEnum.Author:
sortedBooks = _libraryDataSource.AllBooks.OrderBy(x => x.Author);
break;
}
return sortedBooks;
}
/// <summary>
/// Method <c>LoadData</c> is called to load the view model with the data
/// from the underlying Data Model, via the repositories, which access
/// the underlying Data Model.
/// </summary>
private void LoadData()
{
// Load _allBooks (LibraryRepository)
var allBooks = _libraryRepository.GetAllBooks();
// Process each indiviually to ensure the UI observable stuff is updated.
foreach (var book in allBooks)
{
this.AllBooks.Add(MapLibraryBookToBookViewModel.Map(book));
}
// Load _allSearches (SearchRepository)
var allSearches = _searchRepository.GetSearches();
foreach (var search in allSearches)
{
this.AllSearches.Add(MapSearchCriteriaToSearchViewModel.Map(search));
}
var searchTypes = _searchRepository.GetSearchTypes();
foreach (var searchType in searchTypes)
{
// Create a SearchTypeViewModel
SearchTypesViewModel typeVM = new SearchTypesViewModel()
{
Type = searchType,
Values = new ObservableCollection <string>()
};
// Add a "Select" message as the first value for the search Type.
// TODO: Correct the Grammer for this function, select An Author, Select a Keyword.
if (searchType == "SearchString")
{
typeVM.Values.Add(string.Format("Type a value into the search string"));
}
else
{
typeVM.Values.Add(string.Format("Select a {0}....", searchType));
}
// Get the possible values from the library.
var values = _libraryRepository.GetSearchableBookValues(searchType);
// Add each possible value into the SearchTypesViewModel
foreach (var val in values)
{
typeVM.Values.Add(val);
}
// Add the SearchType to the view model
this.CurrentSearch.SearchTypes.Add(typeVM);
this.SearchTypes.Add(typeVM);
}
// Load _currentSearch (item 0 of the searches loaded, if there are any)
if (this.AllSearches.Count() == 0)
{
// set to new search
this.CurrentSearch.UniqueId = string.Empty;
this.CurrentSearch.Type = _searchTypes[0].Type;
this.CurrentSearch.SearchString = string.Empty;
this.CurrentSearch.SearchDate = DateTime.Now.ToString();
this.CurrentSearch.SelectedTypeIndex = 0;
this.CurrentSearch.SelectedTypeValueIndex = 0;
}
else
{
// Set to the first search.
this.CurrentSearch.UniqueId = this.AllSearches[0].UniqueId;
this.CurrentSearch.Type = this.AllSearches[0].Type;
this.CurrentSearch.SearchString = this.AllSearches[0].SearchString;
this.CurrentSearch.SearchDate = this.AllSearches[0].SearchDate;
int idx = this.SearchTypes.IndexOf(new SearchTypesViewModel()
{
Type = this.CurrentSearch.Type
});
this.CurrentSearch.SelectedTypeIndex = idx;
this.CurrentSearch.SelectedTypeValueIndex = 0;
}
// Set the default sort sequence for display, which is by Title
this._currentSortSequence = BookSortEnum.Title;
}
/// <summary>
/// Sets the current sort sequence for displaying the list of books, as specified
/// by the <see cref="THLibrary.DataModel.BookSortEnum"/> enumeration.
/// </summary>
/// <param name="sequence">The Sort Sequence to be set.</param>
public static void SetSortSequence(BookSortEnum sequence)
{
_libraryDataSource._currentSortSequence = sequence;
}
