/// <summary>
/// Navigates the specified page view model.
/// </summary>
/// <param name="pageViewModel">The page view model.</param>
public void Navigate(PageViewModelBase pageViewModel)
{
if (IsRootPage(pageViewModel))
{
ClearHistory();
_backPage = pageViewModel;
}
else
{
_navigateHistory.Push(pageViewModel);
_issueHistory.Push(_actualIssue);
}
Current = pageViewModel;
}
/// <summary>
/// Clears the history.
/// </summary>
public void ClearHistory()
{
_showHistory.Clear();
_navigateHistory.Clear();
_issueHistory.Clear();
_actualIssue = null;
_backPage = null;
}
/// <summary>
/// Determines whether [is root page] [the specified page].
/// </summary>
/// <param name="page">The page.</param>
/// <returns><c>true</c> if [is root page] [the specified page]; otherwise, <c>false</c>.</returns>
public bool IsRootPage(PageViewModelBase page)
{
return page == Dashboard || page == Issues || page == Configuration;
}
/// <summary>
/// Initializes a new instance of the <see cref="MainViewModel" /> class.
/// </summary>
/// <param name="board">The board.</param>
public MainViewModel(Board board)
{
_board = board;
Dashboard = new DashboardViewModel(this, board);
Issues = new IssuesViewModel(this, board);
Configuration = new ConfigurationViewModel(this, board);
CreateIssue = new CreateIssueViewModel(this, board);
EditIssue = new EditIssueViewModel(this, board);
ShowIssue = new ShowIssueViewModel(this, board);
_current = Dashboard;
_backPage = Dashboard;
_current.IsNavigated = true;
}
