private void SurfaceButton_Click_1(object sender, RoutedEventArgs e)
{
//Scrollt die SurfaceListBox auf den heutigen Eintrag
try
{
MensaMenu.ScrollIntoView(MensaMenu.Items[todayID]);
}
catch
{}
}
public void getMensaMenu()
{
//Lädt die Speisekarte der Mensa per HttpWebRequest und verarbeitet den HTML-Inhalt zu passenden strings, die in SurfaceListBoxItems dargestellt werden.
//Einblenden der Lade-Animation
this.Dispatcher.Invoke(new Action(delegate
{
loadAnim.Visibility = Visibility.Visible;
}));
int i = 0;
try{
HttpWebRequest myRequest =
(HttpWebRequest)WebRequest.Create("http://www.studentenwerk-muenchen.de/mensa/speiseplan/speiseplan_431_-de.html#heute");
//HttpWebRequest myRequest =
// (HttpWebRequest)WebRequest.Create("http://www.studentenwerk-muenchen.de/mensa/speiseplan/speiseplan_411_-de.html#heute");
myRequest.Method = "GET";
myRequest.ContentType = "application/x-www-form-urlencoded";
WebResponse response = myRequest.GetResponse();
//Console.WriteLine(((HttpWebResponse)response).StatusDescription);
Stream responseStream = response.GetResponseStream();
StreamReader reader = new StreamReader(responseStream, Encoding.GetEncoding("UTF-8"), false);
String responsestring = reader.ReadToEnd();
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(responsestring);
HtmlNodeCollection menunodes = doc.DocumentNode.SelectNodes("//table[@class='menu']");
timer.Interval = TimeSpan.FromHours(1);
this.Dispatcher.Invoke(new Action(delegate
{
//Löschen der bestehenden MensaMenu-Einträge
MensaMenu.Items.Clear();
}));
//Erstellen der neuen Einträge
foreach (HtmlNode currentNode in menunodes)
{
this.Dispatcher.Invoke(new Action(delegate
{
StackPanel panel = new StackPanel();
string date = "";
string dish = "";
string desc = "";
string type = "";
date = currentNode.SelectSingleNode(".//strong").InnerText.Trim();
panel.FlowDirection = FlowDirection.LeftToRight;
Grid grid = new Grid();
grid.IsHitTestVisible = false;
Rectangle rectangle = new Rectangle();
//StackPanel panel = new StackPanel();
Grid grid2 = new Grid();
rectangle.Fill = Brushes.Gray;
if (date.Contains(DateTime.Now.ToShortDateString()))
{
//MessageBox.Show(i.ToString());
todayID = i;
rectangle.Fill = Brushes.DarkGray;
}
//rectangle.RadiusX = 10;
//rectangle.RadiusY = 10;
//rectangle.Opacity = 0;
rectangle.Margin = new Thickness(0);
//DropShadowEffect effect = new DropShadowEffect();
//effect.BlurRadius = 20;
//rectangle.Effect = effect;
grid.Children.Add(rectangle);
panel.HorizontalAlignment = HorizontalAlignment.Center;
grid2.Children.Add(panel);
TextBlock dateLabel = new TextBlock();
grid.Children.Add(grid2);
grid2.Margin = new Thickness(10);
dateLabel.Foreground = Brushes.Black;
MensaMenu.Items.Add(grid);
dateLabel.FontSize = 20;
dateLabel.FontWeight = FontWeights.DemiBold;
dateLabel.Width = 250;
if (!date.Equals(""))
{
panel.Children.Add(dateLabel);
Border border1 = new Border();
border1.Height = 10;
panel.Children.Add(border1);
dateLabel.Text = date;
}
//Html-Parsing, Füllen der strings des aktuellen Menüeintrags mit den entsprechenden Werten
foreach (HtmlNode dishNode in currentNode.SelectNodes(".//tr"))
{
//try
//{
if (dishNode.SelectSingleNode("./td[@class='gericht']") != null)
{
dish = dishNode.SelectSingleNode("./td[@class='gericht']").InnerText.Trim();
}
//}
//catch { }
//try
//{
if (dishNode.SelectSingleNode("./td[@class='beschreibung']/span[@style='float:left']") != null)
{
desc = dishNode.SelectSingleNode("./td[@class='beschreibung']/span[@style='float:left']").InnerText.Trim();
}
//}
//catch { }
//try
//{
if (dishNode.SelectSingleNode("./td[@class='beschreibung']/span[@class='fleisch']") != null)
{
type = dishNode.SelectSingleNode("./td[@class='beschreibung']/span[@class='fleisch']").InnerText.Replace(" ", "").Trim();
}
//}
//catch { }
//try
//{
if (dishNode.SelectSingleNode("./td[@class='beschreibung']/span[@class='fleischlos']") != null)
{
type = dishNode.SelectSingleNode("./td[@class='beschreibung']/span[@class='fleischlos']").InnerText.Replace(" ", "").Trim();
}
//}
//catch { }
//Definition der Schriftelemente des Menüeintrags
TextBlock dishLabel = new TextBlock();
TextBlock descLabel = new TextBlock();
TextBlock typeLabel = new TextBlock();
dishLabel.Text = dish;
descLabel.Text = desc;
typeLabel.Text = type;
dishLabel.FontSize = 15;
dishLabel.Width = 250;
descLabel.FontSize = 15;
descLabel.FontWeight = FontWeights.DemiBold;
typeLabel.FontSize = 15;
typeLabel.Width = 250;
descLabel.Width = 250;
descLabel.TextWrapping = TextWrapping.Wrap;
descLabel.Foreground = Brushes.Black;
dishLabel.Foreground = Brushes.WhiteSmoke;
typeLabel.Foreground = Brushes.WhiteSmoke;
if (!dish.Equals(""))
{
panel.Children.Add(dishLabel);
Border border2 = new Border();
border2.Height = 5;
panel.Children.Add(border2);
}
if (!desc.Equals(""))
{
panel.Children.Add(descLabel);
Border border3 = new Border();
border3.Height = 2.5;
panel.Children.Add(border3);
}
if (!type.Equals(""))
{
panel.Children.Add(typeLabel);
Border border4 = new Border();
border4.Height = 10;
panel.Children.Add(border4);
}
}
if (MensaMenu.Items.Count > 0)
{
//Scrollt die SurfaceListBox auf den heutigen Eintrag
MensaMenu.ScrollIntoView(MensaMenu.Items[todayID]);
}
}));
i = i + 1;
}
}
catch { }
//Ausblenden der Lade-Animation
this.Dispatcher.Invoke(new Action(delegate
{
loadAnim.Visibility = Visibility.Hidden;
}));
}
