protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
CanvasElements canvasElements = new CanvasElements
(canvas, toolbar, commandBar, openHamburger, closeHamburger);
if (e.Parameter is GroupsContent)
{
GroupsContent content = (GroupsContent)e.Parameter;
// load group's stroke container
canvas.InkPresenter.StrokeContainer = content.strokes;
this.viewModel = new CanvasPageViewModel(canvasElements, content);
this.DataContext = viewModel;
// set the background image if there is one
if (content.backgroundPath != null)
{
viewModel.setBackgroundImage(content.backgroundPath);
}
else if (content.imageContainer != null)
{
ImageContainer ic = content.imageContainer;
viewModel.imageFilePath = ic.imagePath;
viewModel.ImageBitmap = ic.image;
viewModel.xOffset = ic.xOffset;
viewModel.yOffset = ic.yOffset;
viewModel.newWidth = ic.newWidth;
viewModel.newHeight = ic.newHeight;
}
}
}
/// <summary>
/// When an object in the InfoPannel is clicked set it to the focus of the screen
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ListObjectFocusOnMouseDown(object sender, MouseButtonEventArgs e)
{
// Get the sending object's view model from it's data context
InterstellaObjectViewModel SenderVM = ((Ellipse)sender).DataContext as InterstellaObjectViewModel;
// Set the view canvas page to focus on this object
CanvasPageViewModel.FocusOnObject(SenderVM);
}
public CanvasPage()
{
this.InitializeComponent();
viewModel = null;
this.DataContext = viewModel;
this.NavigationCacheMode = NavigationCacheMode.Required;
}