/// <summary>
/// Adds a new element to the currently active template.
/// </summary>
/// <param name="parameter"></param>
private void AddElement(object parameter)
{
if (ActiveTemplate == null)
{
return;
}
string name = parameter as string;
BaseElement element = System.Reflection.Assembly.GetExecutingAssembly().CreateInstance(name) as BaseElement;
if (element != null)
{
element.XPos = TemplateMousePosition.X - (element.Width / 2);
element.YPos = TemplateMousePosition.Y - (element.Height / 2);
element.RefreshLayout += new RefreshLayoutEvent(OnRefreshLayout);
ActiveTemplate.AddElement(element);
SelectedElement = element;
RestoreLayoutView(ActiveTemplate);
if (element.LastLayoutInstance != null)
{
SelectedDecorator = element.LastLayoutInstance as IDesignItemDecorator;
((ElementUserControl)element.LastLayoutInstance).CanManipulate = true;
((ElementUserControl)element.LastLayoutInstance).ShowDecorator = true;
}
}
else
{
MessageBox.Show("There was an error while creating a template of the type '" + parameter + "'.");
}
}
/// <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;
}
}
