public void Render(RenderInfo info)
{
if (String.IsNullOrEmpty(info.FileName))
{
throw new XamlException("No source for render");
}
IProfileRequest request = _profile.CurrentRequest;
String fileName = String.Empty;
UIElementBase uiElem = null;
using (request.Start(ProfileAction.Render, $"load: {info.FileTitle}"))
{
try
{
// XamlServices.Load sets IUriContext
if (!String.IsNullOrEmpty(info.FileName))
{
using (var fileStream = _host.ApplicationReader.FileStreamFullPath(info.FileName))
{
RootFileName = info.FileName;
ApplicationReader = _host.ApplicationReader;
uiElem = XamlServices.Load(fileStream) as UIElementBase;
}
}
else if (!String.IsNullOrEmpty(info.Text))
{
uiElem = XamlServices.Parse(info.Text) as UIElementBase;
}
else
{
throw new XamlException("Xaml. There must be either a 'FileName' or a 'Text' property");
}
if (uiElem == null)
{
throw new XamlException("Xaml. Root is not 'UIElement'");
}
using (var stylesStream = _host.ApplicationReader.FileStream(String.Empty, "styles.xaml"))
{
if (stylesStream != null)
{
if (!(XamlServices.Load(stylesStream) is Styles styles))
{
throw new XamlException("Xaml. Styles is not 'Styles'");
}
if (uiElem is RootContainer root)
{
root.Styles = styles;
root?.OnSetStyles();
}
}
}
}
finally
{
RootFileName = null;
ApplicationReader = null;
}
}
using (request.Start(ProfileAction.Render, $"render: {info.FileTitle}"))
{
RenderContext ctx = new RenderContext(uiElem, info)
{
RootId = info.RootId,
Path = info.Path
};
if (info.SecondPhase)
{
if (!(uiElem is ISupportTwoPhaseRendering twoPhaseRender))
{
throw new XamlException("The two-phase rendering is not available");
}
twoPhaseRender.RenderSecondPhase(ctx);
}
else
{
uiElem.RenderElement(ctx);
}
Grid.ClearAttached();
Splitter.ClearAttached();
FullHeightPanel.ClearAttached();
Toolbar.ClearAttached();
}
if (uiElem is IDisposable disp)
{
disp.Dispose();
}
}
