partial void InitializeBusyIndicator()
{
if (_busyIndicator != null)
{
return;
}
_grid = new Grid();
_grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) });
_grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Auto) });
_grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Auto) });
_grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) });
var backgroundBorder = new Border();
backgroundBorder.Background = new SolidColorBrush(Colors.Gray);
backgroundBorder.Opacity = 0.5;
backgroundBorder.SetValue(Grid.RowSpanProperty, 4);
_grid.Children.Add(backgroundBorder);
_statusTextBlock = new TextBlock();
_statusTextBlock.Style = (Style)Application.Current.Resources["PhoneTextNormalStyle"];
_statusTextBlock.HorizontalAlignment = HorizontalAlignment.Center;
_statusTextBlock.SetValue(Grid.RowProperty, 1);
_grid.Children.Add(_statusTextBlock);
_busyIndicator = ConstructBusyIndicator();
_busyIndicator.SetValue(Grid.RowProperty, 2);
_grid.Children.Add(_busyIndicator);
_containerPopup = new Popup();
_containerPopup.VerticalAlignment = VerticalAlignment.Center;
_containerPopup.HorizontalAlignment = HorizontalAlignment.Center;
_containerPopup.Child = _grid;
double rootWidth = Application.Current.Host.Content.ActualWidth;
double rootHeight = Application.Current.Host.Content.ActualHeight;
_busyIndicator.Width = rootWidth;
_grid.Width = rootWidth;
_grid.Height = rootHeight;
_containerPopup.UpdateLayout();
return;
}
/// <summary>
/// Launches the specified popup menu. Note that if the previous popup menu shown by this function
/// is still open then it is closed before showing the new one.
/// </summary>
public static void LaunchPopup(System.Windows.Controls.Primitives.Popup popup, MouseEventArgs e)
{
// If a previous popup was open, close it first
if (null != s_popup)
{
s_popup.IsOpen = false;
s_popup = null;
}
// Position the popup
Point pt = e.GetPosition(s_mainPage);
popup.HorizontalOffset = pt.X;
popup.VerticalOffset = pt.Y;
// Store a reference to it so that it can be hidden when the user clicks elsewhere
s_popup = popup;
// Show the menu (required before getting its size)
popup.IsOpen = true;
popup.UpdateLayout();
// Get sizes
Size popSize = (popup.Child as Control).DesiredSize;
Size s = s_mainPage.LayoutRoot.DesiredSize;
// Make sure we don't fly off an edge
if (popup.HorizontalOffset + popSize.Width > s.Width)
{
popup.HorizontalOffset = s.Width - popSize.Width;
}
if (popup.HorizontalOffset < 0.0)
{
popup.HorizontalOffset = 0.0;
}
if (popup.VerticalOffset + popSize.Height > s.Height)
{
popup.VerticalOffset = s.Height - popSize.Height;
}
if (popup.VerticalOffset < 0.0)
{
popup.VerticalOffset = 0.0;
}
}
private List<ExportFile> GetImages()
{
List<ExportFile> images = new List<ExportFile>();
foreach(Symbol symbol in mUsedSymbols)
{
SymbolDisplay symDisplay = new SymbolDisplay();
symDisplay.Symbol = symbol;
symDisplay.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
symDisplay.VerticalAlignment = System.Windows.VerticalAlignment.Center;
//Need to put panel in popup and open popup, so panel ends up in control visual tree.
//Otherwise when bitmap is rendered, panel will not include any child controls.
Popup popUp = new System.Windows.Controls.Primitives.Popup();
popUp.Child = symDisplay;
popUp.IsOpen = true;
popUp.UpdateLayout();
WriteableBitmap bmp = new WriteableBitmap(symDisplay, null);
ImageTools.Image img = ImageTools.ImageExtensions.ToImage(bmp);
MemoryStream stream = new MemoryStream();
ImageTools.ImageExtensions.WriteToStream(img, stream);
images.Add(new ExportFile()
{
Title = symbol.GetHashCode().ToString(),
Path = string.Format("files/{0}.png", symbol.GetHashCode().ToString()),
Data = stream.ToArray()
});
stream.Dispose();
popUp.IsOpen = false;
}
return images;
}