private void LoadAllQueries(string sqlFolder)
{
if (sqlQueries.Any())
{
sqlQueries.ForEach(s =>
{
var sqlQuery = s as SqlQuery;
if (sqlQuery != null)
DrawCircle(sqlQuery.InputParameters.FirstOrDefault(p => p.Type == SqlParameterTypes.RadiusInMeter));
});
return;
}
foreach (var parameter in Model.Model.Parameters)
{
switch (parameter.Name)
{
case "SqlQueries":
var set = new XmlReaderSettings {ConformanceLevel = ConformanceLevel.Fragment};
var query = parameter.Value;
try
{
var xs = XDocument.Load(XmlReader.Create(new StringReader(query), set));
var c = xs.Root;
if (c != null)
foreach (var xcl in c.Elements())
{
var sqlQuery = new SqlQuery();
sqlQuery.FromXml(xcl, sqlFolder);
sqlQueries.Add(sqlQuery);
DrawCircleAndExecuteQuery(sqlQuery);
}
}
catch (SystemException e)
{
Logger.Log("SqlQueryModel", "Cannot load SQL query", e.Message, Logger.Level.Error, true);
}
break;
case "SymbolStyle":
var symbolString = parameter.Source == ModelParameterSource.direct
? parameter.Value
: Poi.Labels.ContainsKey(parameter.Value)
? Poi.Labels[parameter.Value]
: Poi.Service.Settings.Labels.ContainsKey(parameter.Value)
? Poi.Service.Settings.Labels[parameter.Value]
: SymbolStyle.Line.ToString();
Enum.TryParse(symbolString, true, out symbolStyle);
if (parameter.Source == ModelParameterSource.label && Poi.Labels.ContainsKey(parameter.Value))
{
var p = parameter;
Poi.LabelChanged += (sender, args) =>
{
if (!string.Equals(args.Label, p.Value)) return;
QueryLayer.Graphics.Remove(GetCircle());
foreach (var sqlQuery in sqlQueries.OfType<SqlQuery>())
DrawCircle(sqlQuery.InputParameters.FirstOrDefault(p1 => p1.Type == SqlParameterTypes.RadiusInMeter));
};
}
break;
case "StrokeColor":
var colorString = parameter.Source == ModelParameterSource.direct
? parameter.Value
: Poi.Labels.ContainsKey(parameter.Value)
? Poi.Labels[parameter.Value]
: Poi.Service.Settings.Labels.ContainsKey(parameter.Value)
? Poi.Service.Settings.Labels[parameter.Value]
: "Red";
var color = ColorConverter.ConvertFromString(colorString);
if (color != null) strokeBrush = new SolidColorBrush((Color) color);
if (parameter.Source == ModelParameterSource.label && Poi.Labels.ContainsKey(parameter.Value))
{
var p = parameter;
Poi.LabelChanged += (sender, args) =>
{
if (!string.Equals(args.Label, p.Value)) return;
color = ColorConverter.ConvertFromString(Poi.Labels[p.Value]);
if (color != null) strokeBrush = new SolidColorBrush((Color) color);
foreach (var sqlQuery in sqlQueries.OfType<SqlQuery>())
DrawCircle(sqlQuery.InputParameters.FirstOrDefault(p1 => p1.Type == SqlParameterTypes.RadiusInMeter));
};
}
break;
}
}
}
/// <summary>
/// Draw the circle and, optionally, execute the query again.
/// The query is executed when the changedLabel == string.Empty (forced), or when there is a label-based
/// input parameter that has changed.
/// </summary>
/// <param name="sqlQuery"></param>
/// <param name="changedLabel"></param>
private void DrawCircleAndExecuteQuery(SqlQuery sqlQuery, string changedLabel = "")
{
DrawCircle(sqlQuery.InputParameters.FirstOrDefault(p => p.Type == SqlParameterTypes.RadiusInMeter));
if (string.IsNullOrEmpty(changedLabel) || sqlQuery.InputParameters.Any(p => string.Equals(p.LabelName, changedLabel)))
{
sqlQuery.Execute(Poi.Service as PoiService, Poi, null, true);
}
}