/// <summary>
/// Command handler for previous image command
/// </summary>
/// <param name="sender">Source of the event</param>
/// <param name="e">EventArgs describing the event</param>
private static void OnPreviousImageCommand(object sender, ExecutedRoutedEventArgs e)
{
ImageViewerWindow window = sender as ImageViewerWindow;
if (window != null)
{
if (window.CanGoToPreviousImage)
{
window.GoToPreviousImage();
}
}
}
/// <summary>
/// Command handler for Scroll page down command
/// </summary>
/// <param name="sender">Source of the event</param>
/// <param name="e">EventArgs describing the event</param>
private void OnScrollPageDownCommand(object sender, ExecutedRoutedEventArgs e)
{
ImageViewerWindow window = sender as ImageViewerWindow;
if (window != null)
{
if (window.CanGoToNextImage)
{
window.GoToNextImage();
}
e.Handled = true;
}
}
/// <summary>
/// Opens the image viewer window control
/// </summary>
/// <param name="imageReference"></param>
/// <param name="story"></param>
private void OpenImageViewerWindow(ImageReference imageReference, Story story)
{
// If there is no instance of image viewer currently open, create one
if (_imageViewerWindow == null)
{
_imageViewerWindow = new ImageViewerWindow();
_imageViewerWindow.Owner = Application.Current.MainWindow;
_imageViewerWindow.Closed += OnImageViewerWindowClosed;
}
// Configure window to control's Story and ImageReference
_imageViewerWindow.ImageReference = imageReference;
_imageViewerWindow.Story = story;
_imageViewerWindow.Show();
}
/// <summary>
/// Command handler for previous image command can execute
/// </summary>
/// <param name="sender">Source of the event</param>
/// <param name="e">EventArgs describing the event</param>
private static void OnPreviousImageCommandCanExecute(object sender, CanExecuteRoutedEventArgs e)
{
ImageViewerWindow window = sender as ImageViewerWindow;
if (window != null)
{
if (window.CanGoToPreviousImage)
{
e.CanExecute = true;
}
else
{
e.CanExecute = false;
}
}
}