// Drag and drop: Identifies the targeted glyph and calls backend to embed the SVG.
private async void GridView_Drop(object sender, DragEventArgs e)
{
try
{
GlyphModel glyph = null;
if (e.OriginalSource is StackPanel)
{
StackPanel target = e.OriginalSource as StackPanel;
if (target.DataContext is GlyphModel)
{
glyph = target.DataContext as GlyphModel;
foreach (SvgFileItem file in selectedSvgItems)
{
// Embed the selected SVG onto the selected glyph.
await fontFile.AddSvgAsync(glyph.GlyphID, file.SVGFile);
// Refresh the preview grid to reflect the modified font.
await ReloadPreviewAsync();
}
}
}
}
catch (Exception exc)
{
await NotifyUserAsync("The app encountered an error while trying to add SVG to the font.", exc);
return;
}
}
// When a glyph preview is right-clicked, instantiate a popup menu and allow the
// user to delete that glyph's SVG glyph if present.
public async void Glyph_RightTapped(object sender, RightTappedRoutedEventArgs e)
{
// Prepare the context menu.
PopupMenu menu = new PopupMenu();
menu.Commands.Add(new UICommand("Delete SVG", async(command) =>
{
// Retrieve the selected Characer object.
GlyphModel glyph = null;
if (e.OriginalSource is TextBlock)
{
TextBlock target = e.OriginalSource as TextBlock;
if (target.DataContext is GlyphModel)
{
glyph = target.DataContext as GlyphModel;
try
{
// Call the backend to remove the specified SVG.
await fontFile.RemoveSvgAsync(glyph.GlyphID);
// Refresh the preview grid to reflect the updated font.
await ReloadPreviewAsync();
}
catch (Exception exc)
{
await NotifyUserAsync("The app encountered an error while trying to remove SVG from the font.", exc);
return;
}
}
}
}));
// Invoke the context menu.
await menu.ShowForSelectionAsync(GetElementRect((FrameworkElement)sender));
}
