/// <summary>
/// Constructor
/// </summary>
public HtmlComponentControl(IApplicationComponent component, ActiveTemplate template)
{
InitializeComponent();
_component = component;
_template = template;
#if DEBUG
_webBrowser.IsWebBrowserContextMenuEnabled = true;
#else
_webBrowser.IsWebBrowserContextMenuEnabled = false;
#endif
_component.AllPropertiesChanged += AllPropertiesChangedEventHandler;
this.Disposed += new EventHandler(DisposedEventHandler);
ReloadPage();
}
public void WriteHtml(TextWriter writer)
{
try
{
var request = WebRequest.Create(TemplateUrl);
var response = (HttpWebResponse)request.GetResponse();
using (var s = response.GetResponseStream())
{
// doubt that GetResponseStream ever returns null, but just in case
if (s == null)
{
_job.SetError("No response stream available.");
return;
}
using (var reader = new StreamReader(s, GetEncoding(response.CharacterSet)))
{
var template = new ActiveTemplate(reader);
var html = template.Evaluate(_variables);
writer.Write(html);
}
}
}
catch (WebException e)
{
// explicitly handle 404 to provide a helpful error message
if (e.Status == WebExceptionStatus.ProtocolError && ((HttpWebResponse)e.Response).StatusCode == HttpStatusCode.NotFound)
{
_job.SetError(string.Format("The template {0} was not found (404).", TemplateUrl));
}
else
{
_job.SetError(e.Message);
}
throw;
}
catch (Exception e)
{
_job.SetError(e.Message);
throw;
}
}