protected override void OnNavigatedTo(NavigationEventArgs e)
{
m_busName = NavigationContext.QueryString["busName"];
m_stationPair = DataService.AllBuses[m_busName];
m_dir = BusDir.go;
llsStations.ItemsSource = CurStations().Select(x => new StringVM(x)).ToList();
tbBusName.Text = m_busName;
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
m_busName = NavigationContext.QueryString["busName"];
m_station = NavigationContext.QueryString["station"];
m_dir = (BusDir)Enum.Parse(typeof(BusDir), NavigationContext.QueryString["dir"]);
tbBusName.Text = m_busName;
tbStation.Text = m_station;
llsTags.ItemsSource = DataService.BusTags.GroupBy(x => x.tag).Select(g => new StringVM(g.Key)).ToList();
}
protected override void OnBackKeyPress(System.ComponentModel.CancelEventArgs e)
{
Log.Debug("e.Cancel=" + e.Cancel);
if (tbTag.Text != m_orig_tag)
{
Log.Debug("m_orig_tag={0}, tbTag.Text={1}".Fmt(m_orig_tag, tbTag.Text));
BusDir dir = (tbDir.Text == "往↓" ? BusDir.go : BusDir.back);
DataService.BusTags.First(x
=> x.busName == tbBusName.Text &&
x.station == tbStation.Text &&
x.dir == dir &&
x.tag == m_orig_tag).tag = tbTag.Text;
}
base.OnBackKeyPress(e);
//NavigationService.GoBack();
}
private void btnDir_Tap(object sender, System.Windows.Input.GestureEventArgs e)
{
if (m_dir == BusDir.go)
{
if (m_stationPair.stations_back.Length == 0)
{
return;
}
btnDirText.Text = "返↑";
m_dir = BusDir.back;
llsStations.ItemsSource = CurStations().Select(x => new StringVM(x)).ToList();
}
else
{
btnDirText.Text = "往↓";
m_dir = BusDir.go;
llsStations.ItemsSource = CurStations().Select(x => new StringVM(x)).ToList();
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
tbBusName.Text = NavigationContext.QueryString["busName"];
tbStation.Text = NavigationContext.QueryString["station"];
BusDir dir = (BusDir)Enum.Parse(typeof(BusDir), NavigationContext.QueryString["dir"]);
tbDir.Text = (dir == BusDir.go?"往↓":"返↑");
tbTag.Text = NavigationContext.QueryString["tag"];
m_orig_tag = tbTag.Text;
var stpair = DataService.AllBuses[tbBusName.Text];
if (dir == BusDir.go && stpair.stations_go.Length > 0)
{
tbDir.Text += stpair.stations_go.LastElement();
}
else if (dir == BusDir.back && stpair.stations_back.Length > 0)
{
tbDir.Text += stpair.stations_back.LastElement();
}
}
private void ApplicationBarIconButton_Click(object sender, EventArgs e)
{
BusDir dir = (tbDir.Text == "往↓" ? BusDir.go : BusDir.back);
try
{
BusTagVM bt = DataService.BusTags.First(x
=> x.busName == tbBusName.Text &&
x.station == tbStation.Text &&
x.dir == dir &&
x.tag == m_orig_tag);
bool bRemoveSuccess = DataService.BusTags.Remove(bt);
Log.Debug("bRemoveSuccess=" + bRemoveSuccess);
NavigationService.GoBack();
}
catch (Exception ex)
{
Log.Error("{0} {1} {2} {3} cannot be found!".Fmt(tbBusName.Text, tbStation.Text, dir, m_orig_tag));
Log.Error("BusTags={" + ",".Joyn(DataService.BusTags.Select(x => x.ToString())) + "}");
Log.Error("ex=" + ex.DumpStr());
}
}
public static async Task <string> GetBusDueTime(string busName, string stationName, BusDir busDir)
{
string url = @"http://pda.5284.com.tw/MQS/businfo3.jsp?Mode=1&Dir={1}&Route={0}&Stop={2}".Fmt(
Uri.EscapeUriString(busName), busDir == BusDir.go?1:0, Uri.EscapeUriString(stationName));
var client = new HttpClient();
string strResult = await client.GetStringAsync(new Uri(url));
var doc = new HtmlDocument();
doc.LoadHtml(strResult);
HtmlNodeCollection nodes = doc.DocumentNode.SelectNodes(
"/html/body/center/table/tr[6]/td");
if (nodes.Count == 0)
{
Log.Debug("nodes.Count == 0");
return("網路障礙");
}
return(nodes[0].InnerText);
}
