/// <summary>
/// Navigates to next (down) item or directional focus object if possible on key input
/// </summary>
/// <param name="e">EventArgs describing key input</param>
private void NavigateDown(KeyEventArgs e)
{
ApplicationNavigationAction action = GetApplicationNavigationActionForKeyEvent(e);
if (action != ApplicationNavigationAction.None)
{
switch (action)
{
case ApplicationNavigationAction.NavigateFromSection:
GoToNextSection();
e.Handled = true;
break;
case ApplicationNavigationAction.NavigateFromStory:
// Execute NextPage command for StoryViewer, which is configured to go to next story if next page cannot execute
StoryViewer storyViewer = Keyboard.FocusedElement as StoryViewer;
if (storyViewer != null)
{
if (System.Windows.Input.NavigationCommands.NextPage.CanExecute(null, storyViewer))
{
System.Windows.Input.NavigationCommands.NextPage.Execute(null, storyViewer);
}
e.Handled = true;
}
break;
default:
break;
}
}
}
public void Awake()
{
if (Instance == null)
{
Instance = this;
}
else if (Instance != null)
{
Destroy(gameObject);
}
}
/// <summary>
/// Create text annotation in story on A key press
/// </summary>
/// <param name="e">EventArgs describing the event</param>
private void AnnotateStory(KeyEventArgs e)
{
// Annotation only enabled within viewer
StoryViewer storyViewer = GetStoryParameter(e.OriginalSource, true) as StoryViewer;
if (storyViewer != null)
{
if (System.Windows.Annotations.AnnotationService.CreateTextStickyNoteCommand.CanExecute(null, storyViewer))
{
System.Windows.Annotations.AnnotationService.CreateTextStickyNoteCommand.Execute(null, storyViewer);
}
e.Handled = true;
}
}
public ActionResult Index(string sortOrder = "ratingDescending", string message = "")
{
var viewer = new StoryViewer();
List <Story> stories = null;
switch (sortOrder)
{
case "ratingDescending":
stories = viewer.ShowAllStoriesHighestRatingFirst();
break;
case "dateCreatedDescending":
stories = viewer.ShowAllStoriesByDateCreatedDescending();
break;
}
DisplayMessageToUserIfRequired(message);
return(View(stories));
}
/// <summary>
/// Extracts Story info from event source for a key press even
/// </summary>
/// <param name="p">Source of the key event</param>
/// <param name="viewerNeeded">If this param is true, the method should return an StoryViewer that contains the Story, if possible.
/// If false, the method should return a Story even if its viewer is available
/// </param>
/// <returns>Story parameter to add to reading list, if possible </returns>
private object GetStoryParameter(object p, bool viewerNeeded)
{
object parameter = null;
StoryViewer storyViewer = p as StoryViewer;
if (storyViewer != null)
{
if (viewerNeeded)
{
parameter = storyViewer;
}
else
{
parameter = storyViewer.Story;
}
}
else
{
parameter = GetStoryFromCommandSource(p);
}
return(parameter);
}
/// <summary>
/// Event handler for scroll page down executed event
/// </summary>
/// <param name="e">Event args describing the event></param>
private void OnScrollPageDownCanExecute(CanExecuteRoutedEventArgs e)
{
// On scroll commands, there is no need to check for journal navigation since these commands do not initiate journal navigation in any case
// Scroll page commands directionally specify the way the content moves on a scrolling surface. So a scroll up is actually a
// page/section/story down and vice vera
if (ServiceProvider.ViewManager.CurrentNavigator is StoryNavigator)
{
StoryViewer storyViewer = ServiceProvider.ViewManager.CurrentVisual as StoryViewer;
// Translate to story viewer's previous page command
if (storyViewer != null)
{
e.CanExecute = System.Windows.Input.NavigationCommands.NextPage.CanExecute(null, storyViewer);
}
}
else if (ServiceProvider.ViewManager.CurrentNavigator is SectionNavigator)
{
// On a section, try next section command
e.CanExecute = ServiceProvider.ViewManager.NavigationCommands.NextSectionCommand.CanExecute(null);
}
}
public ChangeSortOrderToRating()
{
_viewer = new StoryViewer();
}
public VisitHomepage()
{
_viewer = new StoryViewer();
}
public ChangeSortOrderToNewestFirst()
{
_viewer = new StoryViewer();
}
