public static ChannelSearchResult FindByNameAndVariable(string name, Variable v)
{
ChannelSearchResult result;
//TODO: try to use delegates in future version to eliminate duplicate code
ChannelList channels = ChannelManager.GetListByStationNameAndVariable(name, v.Id);
if (channels != null)
{
result = new ChannelSearchResult(channels);
return result;
}
MessageWriter writer = new MessageWriter();
writer.VariableName = v.Name;
StationList stations = StationManager.GetListByName(name);
if (stations != null)
{
result = new ChannelSearchResult(stations);
writer.StationName = stations[0].Name;
result.ErrorMessage = writer.WriteErrorMessage(MessageType.NoStationVariable);
return result;
}
result = new ChannelSearchResult();
result.ErrorMessage = writer.WriteErrorMessage(MessageType.NoStation);
return result;
}
public Channel(int id, Station st, Variable var, TimeInterval availableData)
{
_id = id;
_station = st;
_variable = var;
_availableData = availableData;
_stId = _station.Id;
_varId = _variable.Id;
}
public static ChannelSearchResult FindByStationIdAndVariable(int stId, Variable v)
{
ChannelSearchResult result;
bool foundChannel = false;
//bool foundStation = false;
ChannelList channels = ChannelManager.GetListByStationAndVariable(stId, v.Id);
if (channels.Count > 0)
{
result = new ChannelSearchResult(channels);
foundChannel = true;
return result;
}
//if the requested variable is daily precipitation - try to find
//hourly precipitation instead
if (foundChannel == false && v.VarEnum == VariableEnum.Precip)
{
//"1" means "hourly precipitation"
channels = ChannelManager.GetListByStationAndVariable(stId, 1);
if (channels.Count > 0)
{
foundChannel = true;
foreach (Channel ch in channels)
{
ch.Variable = VariableManager.GetItemByEnum(VariableEnum.Precip);
}
result = new ChannelSearchResult(channels);
return result;
}
}
//channel not found --> search if a a station exists
MessageWriter writer = new MessageWriter();
writer.VariableName = v.Name;
Station station = StationManager.GetItemById(stId, false);
if (station != null)
{
result = new ChannelSearchResult();
result.Stations.Add(station);
writer.StationName = station.Name;
result.ErrorMessage = writer.WriteErrorMessage(MessageType.NoStationVariable);
return result;
}
result = new ChannelSearchResult();
result.ErrorMessage = writer.WriteErrorMessage(MessageType.NoStation);
return result;
}
public bool Equals(Variable v)
{
// If parameter is null return false:
if ( (object) v == null )
{
return false;
}
// Return true if the fields match:
return ( Id == v.Id );
}
/// <summary>
/// finds out if the station measures a specified variable
/// </summary>
public bool HasVariable(Variable var)
{
if (_variables != null)
{
return (Variables.Contains(var));
}
else
{
return false;
}
}
public static Variable ChangeCulture(Variable v, CultureInfo cult)
{
return new Variable(selectRow(CultureHelper.CultureToShortString(cult), "var_id=" + v.Id));
}
private void ValidateVariable()
{
string varUrl;
if ( _queryString["var"] != null )
{
varUrl = _queryString["var"];
Variable var = VariableManager.GetItemByUrl(varUrl);
if ( var.IsValid )
{
_variable = var;
_isValidVariable = true;
}
else
{
_errorMessage = _writer.WriteErrorMessage(MessageType.NoVariable);
}
}
else
{
_variable = VariableManager.GetItemByEnum(VariableEnum.Stage); //default variable
}
}
//this station is displayed on initial pages
//with no station specified
private string getDefaultStationUrl(Variable v)
{
VariableEnum varEnum = v.VarEnum;
string stUrl;
switch ( varEnum )
{
case VariableEnum.Snow:
stUrl = "lysa_hora";
break;
case VariableEnum.Stage:
stUrl = "morava/straznice";
break;
case VariableEnum.Discharge:
stUrl = "morava/straznice";
break;
case VariableEnum.Precip:
stUrl = "churanov";
break;
default:
stUrl = "primda";
break;
}
return stUrl;
}
// function to validate variable id and set the value of
//_VarEnum
private void ValidateVariable(string str)
{
if ( _IsValid )
{
Variable var = VariableManager.GetItemByShortName(str);
if ( var.IsValid )
{
_var = var;
}
else
{
_IsValid = false;
_message = MessageType.NoVariable; // "Bad variable specified!";
}
}
}
private void SetupAxis(GraphPane myPane, Variable var, DateTime minDate, DateTime maxDate)
{
//setup font for axis name and tick marks text
int scaleFontSize = 16;
int titleFontSize = 18;
// X axis
ZedGraph.Axis myXAxis = myPane.XAxis;
myXAxis.Type = AxisType.Date;
myXAxis.Scale.Min = XDate.DateTimeToXLDate(minDate);
myXAxis.Scale.Max = XDate.DateTimeToXLDate(maxDate);
myXAxis.Scale.FontSpec.Size = scaleFontSize;
myPane.XAxis.Title.FontSpec.Size = titleFontSize;
// Y axis
ZedGraph.Axis myYAxis = myPane.YAxis;
if (var.VarEnum != VariableEnum.Temperature)
{
myYAxis.Scale.Min = 0;
}
myYAxis.Scale.FontSpec.Size = scaleFontSize;
myYAxis.Title.FontSpec.Size = titleFontSize;
//special Y axis for temperature
// special Y axis for discharge
if (var.VarEnum == VariableEnum.Discharge)
{
char exp3 = (char)179;
myYAxis.Title.Text = string.Format("{0} (m{1}/s)", var.Name, exp3);
}
else
{
myYAxis.Title.Text = var.Name + " (" + var.Units + ")";
}
// Y2 axis - setup for cumulative precipitation
if ( var.VarEnum == VariableEnum.Precip || var.VarEnum == VariableEnum.PrecipHour )
{
ZedGraph.Axis myY2Axis = myPane.Y2Axis;
myY2Axis.Scale.Min = 0;
myY2Axis.Scale.FontSpec.Size = scaleFontSize;
myY2Axis.Title.Text = Resources.precip_sum_axis;
myY2Axis.Title.FontSpec.Size = titleFontSize;
myY2Axis.IsVisible = true;
}
}
private void DrawTitle(GraphPane myPane, Variable var, Station st, DateTime minDate, DateTime maxDate)
{
string title;
string stName;
if ( var.VarEnum == VariableEnum.Discharge || var.VarEnum == VariableEnum.Stage )
{
stName = string.Format("{0} ({1})", st.Name, st.River.Name);
}
else
{
stName = st.Name;
}
title = String.Format("{0} - {1} {2} - {3}",
var.Name, stName, minDate.ToShortDateString(),
maxDate.ToShortDateString());
myPane.Title.Text = title;
myPane.Title.FontSpec.Size = 18;
myPane.Title.FontSpec.IsBold = false;
}
