//Main thing
public RtStationData[] SearchStations(string SearchQuery, int MaxResults, RtGPS SortDistance, bool NavigableOnly)
{
//Create empty return variable
List <RtStationData> StationResults = new List <RtStationData>();
//Check input parameter is valid
if (SearchQuery.Length != ZEROLENGTH)
{
//Check if input is three capital letters
if (SearchQuery.Length == THREELENGTH && SearchQuery.ToUpper() == SearchQuery)
{
//Search by CRS Code
StationResults = RtStations.SearchByCRS(SearchQuery).ToList();
}
else
{
//Search by Name
StationResults = RtStations.SearchByName(SearchQuery, MaxResults).ToList();
}
}
//If Navigable Only, filter
if (NavigableOnly)
{
//Loop through results, if not navigable, remove and minus iterator
for (int i = 0; i < StationResults.Count; i++)
{
if (!NAVIGABLESTATIONS.Contains(StationResults[i].Code))
{
StationResults.Remove(StationResults[i]);
i--;
}
}
}
if (SortDistance != null)
{
//Create GPS Instance in another thread.
for (int z = 0; z < StationResults.Count - 1; z++)
{
for (int i = 0; i < StationResults.Count - 1; i++)
{
if (SortDistance.DistanceFromLatLonInKm(StationResults[i + 1].Latitude, StationResults[i + 1].Longitude, SortDistance.Latitude, SortDistance.Longitude) <
SortDistance.DistanceFromLatLonInKm(StationResults[i].Latitude, StationResults[i].Longitude, SortDistance.Latitude, SortDistance.Longitude))
{
RtStationData tmp = StationResults[i];
StationResults[i] = StationResults[i + 1];
StationResults[i + 1] = tmp;
}
}
}
}
//SearchQuery Invalid
return(StationResults.ToArray());
}
//Creates the view
private void GenerateView()
{
//Dialog Shaded Back
_RootView = new LinearLayout(this.Context);
_RootView.LayoutParameters = RtGraphicsLayouts.LayoutParameters(RtGraphicsLayouts.EXPAND, RtGraphicsLayouts.EXPAND);
_RootView.SetDpPadding(RtGraphicsLayouts, DIALOGPADDING, DIALOGPADDING, DIALOGPADDING, DIALOGPADDING);
_RootView.SetBackgroundColor(RtGraphicsColours.SemiTransparentBlack);
_RootView.Visibility = ViewStates.Gone;
_RootView.SetGravity(GravityFlags.Center);
//Dialog Back
LinearLayout DialogLayout = new LinearLayout(this.Context);
DialogLayout.LayoutParameters = RtGraphicsLayouts.LayoutParameters(RtGraphicsLayouts.EXPAND, RtGraphicsLayouts.EXPAND);
DialogLayout.Orientation = Orientation.Vertical;
DialogLayout.SetBackgroundResource(Resource.Drawable.StyleCornerBox);
_RootView.AddView(DialogLayout);
//Dialog Top Bar
LinearLayout DialogTopBar = new LinearLayout(this.Context);
DialogTopBar.LayoutParameters = RtGraphicsLayouts.LayoutParameters(RtGraphicsLayouts.EXPAND, DIALOGHORIZONTALSHEIGHT);
DialogTopBar.SetDpPadding(RtGraphicsLayouts, ZERO, SMALLPADDING, ZERO, SMALLPADDING);
DialogLayout.AddView(DialogTopBar);
//Location Icon
ImageView DialogLocation = new ImageView(this.Context);
DialogLocation.LayoutParameters = RtGraphicsLayouts.LayoutParameters(ICONSWIDTH, ICONSHEIGHT);
DialogLocation.SetImageResource((Option_SearchLocation) ? Resource.Drawable.Icon_Location : Resource.Drawable.Icon_LocationFaded);
DialogTopBar.AddView(DialogLocation);
//Navigable Icon
ImageView DialogNavigatable = new ImageView(this.Context);
DialogNavigatable.LayoutParameters = RtGraphicsLayouts.LayoutParameters(ICONSWIDTH, ICONSHEIGHT);
DialogNavigatable.SetImageResource((Option_SearchNavigable) ? Resource.Drawable.Icon_Navigation : Resource.Drawable.Icon_NavigationFaded);
DialogTopBar.AddView(DialogNavigatable);
//Cancel Icon
ImageView DialogCancel = new ImageView(this.Context);
DialogCancel.LayoutParameters = RtGraphicsLayouts.LayoutParameters(ICONSWIDTH, ICONSHEIGHT);
DialogCancel.SetImageResource(Resource.Drawable.IconCancel);
DialogTopBar.AddView(DialogCancel);
//Search Input
SearchInput = new EditText(this.Context);
SearchInput.LayoutParameters = RtGraphicsLayouts.LayoutParameters(RtGraphicsLayouts.EXPAND, DIALOGHORIZONTALSHEIGHT);
SearchInput.SetDpPadding(RtGraphicsLayouts, DIALOGPADDING, SMALLPADDING, DIALOGPADDING, SMALLPADDING);
SearchInput.SetBackgroundColor(RtGraphicsColours.Orange);
SearchInput.Format(RtGraphicsExt.TextFormats.Heading);
DialogLayout.AddView(SearchInput);
//Results Scroller
ScrollView ResultsScroll = new ScrollView(this.Context);
DialogLayout.AddView(ResultsScroll);
//Results Root
LinearLayout ResultsRoot = new LinearLayout(this.Context);
ResultsRoot.Orientation = Orientation.Vertical;
ResultsScroll.AddView(ResultsRoot);
//GPS Instance
RtGPS GPS = new RtGPS((LocationManager)ContextWrapper.GetSystemService(ContextWrapper.LocationService));
//Event Handlers
_RootView.Click += delegate { CloseDialog(); };
DialogCancel.Click += delegate { CloseDialog(); };
SearchInput.AfterTextChanged += delegate { DrawResults(ResultsRoot, GPS); };
DialogLocation.Click += delegate { ToggleLocationOption(DialogLocation); };
DialogNavigatable.Click += delegate { ToggleNavigableOption(DialogNavigatable); };
}
//Draw results
private void DrawResults(LinearLayout ResultsRoot, RtGPS GPS)
{
//If GPS sending position
if ((GPS.Ready && Option_SearchLocation) || !Option_SearchLocation)
{
//Search stations
RtStationData[] data = new RtStations().SearchStations(SearchInput.Text, MAXSEARCHRESULTS, (Option_SearchLocation) ? GPS : null, Option_SearchNavigable);
//Clear Results View
ResultsRoot.RemoveAllViews();
//Loop through stations data
for (int i = 0; i < data.Length; i++)
{
//Create a local copy of variable for click event
RtStationData localdat = data[i];
//Result Back
LinearLayout ResultBack = new LinearLayout(this.Context);
ResultBack.LayoutParameters = RtGraphicsLayouts.LayoutParameters(RtGraphicsLayouts.EXPAND, DIALOGRESULTHEIGHT);
ResultBack.SetDpPadding(RtGraphicsLayouts, SMALLPADDING, SMALLPADDING, SMALLPADDING, SMALLPADDING);
ResultBack.SetGravity(GravityFlags.CenterVertical);
ResultsRoot.AddView(ResultBack);
//Result Station Name
TextView ResultStationName = new TextView(this.Context);
ResultStationName.Format(RtGraphicsExt.TextFormats.Paragraph);
ResultStationName.Text = data[i].StationName;
ResultBack.AddView(ResultStationName);
//Result Station CRS
TextView ResultCRS = new TextView(this.Context);
ResultCRS.LayoutParameters = RtGraphicsLayouts.LayoutParameters(RtGraphicsLayouts.EXPAND, RtGraphicsLayouts.CONTAIN);
ResultCRS.SetDpPadding(RtGraphicsLayouts, ZERO, ZERO, SMALLPADDING, ZERO);
ResultCRS.Format(RtGraphicsExt.TextFormats.Paragraph1);
ResultCRS.Text = data[i].Code;
ResultCRS.Gravity = GravityFlags.Right;
ResultBack.AddView(ResultCRS);
//Result Back Event
ResultBack.Click += delegate
{
//If callback isn't null, invoke it, causing sleection to be returned and dialog hidden.
StationSelected?.Invoke(DialogID, localdat);
CloseDialog();
};
}
//If theres no stations
if (data.Length == ZERO)
{
ResultsRoot.RemoveAllViews();
ResultsRoot.AddView(DrawErrorMessage(ERROR_NOSTATIONSFOUND));
GPS = new RtGPS((LocationManager)ContextWrapper.GetSystemService(ContextWrapper.LocationService));
}
}
else if (GPS.NoGPS)
{
//If no GPS
ResultsRoot.RemoveAllViews();
ResultsRoot.AddView(DrawErrorMessage(ERROR_GPSTURNEDOFF));
GPS = new RtGPS((LocationManager)ContextWrapper.GetSystemService(ContextWrapper.LocationService));
}
else
{
//If GPS not ready
ResultsRoot.RemoveAllViews();
ResultsRoot.AddView(DrawErrorMessage(ERROR_GPSLOADING));
}
}