internal static string CodedValueNameLookup(string field, object generic, CodedValueSources codedValueSources)
{
#if SILVERLIGHT
PropertyInfo fieldProperty = generic.GetType().GetProperty(field);
if (fieldProperty == null)
{
return("");
}
var code = fieldProperty.GetValue(generic, null);
#else
var code = generic is Graphic ? (generic as Graphic).Attributes[field] : null;
#endif
if (code == null)
{
return("");
}
foreach (CodedValueSource codedValueSource in codedValueSources)
{
if (codedValueSource.Code != null && code != null)
{
if (codedValueSource.Code.ToString() == code.ToString())
{
return(codedValueSource.DisplayName);
}
}
else if (codedValueSource.Code == null && code == null)
{
return(codedValueSource.DisplayName);
}
}
return(code.ToString());
}
/// <summary>
/// Modifies the source data before passing it to the target for display in the UI.
/// </summary>
/// <param name="value">The source data being passed to the target.</param>
/// <param name="targetType">The <see cref="T:System.Type"/> of data expected by the target dependency property.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
/// <returns>
/// The value to be passed to the target dependency property.
/// </returns>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (parameter == null || string.IsNullOrEmpty(Field) || value == null)
{
return("");
}
#if SILVERLIGHT
PropertyInfo fieldProperty = value.GetType().GetProperty(Field);
if (fieldProperty == null)
{
return("");
}
var code = fieldProperty.GetValue(value, null);
#else
var code = value;
#endif
if (code == null)
{
return("");
}
CodedValueSources codedValueSources = parameter as CodedValueSources;
if (codedValueSources != null)
{
CodedValueSource codedValueSource = codedValueSources.FirstOrDefault(x => x.Code != null && x.Code.ToString() == code.ToString());
if (codedValueSource != null)
{
return(codedValueSource.DisplayName);
}
}
return("");
}
/// <summary>
/// Modifies the source data before passing it to the target for display in the UI.
/// </summary>
/// <param name="value">The source data being passed to the target.</param>
/// <param name="targetType">The <see cref="T:System.Type"/> of data expected by the target dependency property.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
/// <returns>
/// The value to be passed to the target dependency property.
/// </returns>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (parameter == null || parameter.ToString() == "")
{
return("");
}
CodedValueSources codedValueSources = parameter as CodedValueSources;
if (codedValueSources != null)
{
foreach (CodedValueSource codedValueSource in codedValueSources)
{
if (codedValueSource.Code != null && value != null)
{
if (codedValueSource.Code.ToString() == value.ToString())
{
return(codedValueSource.DisplayName);
}
}
else if (codedValueSource.Code == null && value == null)
{
return(codedValueSource.DisplayName);
}
}
}
return("");
}
internal static object CodedValueCodeLookup(string field, object generic, CodedValueSources codedValueSources)
{
bool isGraphic = (generic is Graphic);
object code = null;
if (isGraphic)
{
code = ((Graphic)generic).Attributes[field];
}
#if SILVERLIGHT
else
{
PropertyInfo fieldProperty = generic.GetType().GetProperty(field);
if (fieldProperty == null)
{
return(null);
}
code = fieldProperty.GetValue(generic, null);
}
#endif
if (code == null)
{
return(null);
}
return(code);
}
/// <summary>
/// Returns a CodedValueSources object constructed form the CodedValueDomain value.
/// </summary>
/// <param name="field">The field to make a CodedValueSource from.</param>
/// <returns>The CodedValueSources object used for a code to value lookup.</returns>
internal static CodedValueSources BuildCodedValueSource(Field field)
{
CodedValueDomain codedValueDomain = field.Domain as CodedValueDomain;
CodedValueSources codedValueSources = null;
if (codedValueDomain != null)
{
foreach (KeyValuePair <object, string> codedValue in codedValueDomain.CodedValues)
{
if (codedValueSources == null)
{
codedValueSources = new CodedValueSources();
if (field.Nullable)
{
CodedValueSource nullableSource = new CodedValueSource()
{
Code = null, DisplayName = " "
};
codedValueSources.Add(nullableSource);
}
}
codedValueSources.Add(new CodedValueSource()
{
Code = codedValue.Key, DisplayName = codedValue.Value
});
}
}
return(codedValueSources);
}
/// <summary>
/// Returns CodedValueSources that make up the display text of each value of the TypeIDField.
/// </summary>
/// <param name="field">TypeIDField</param>
/// <param name="layerInfo">FeatureLayerInof used to construct the CodedValueSources from the FeatureTypes.</param>
/// <returns>CodedValueSoruces that contain code an value matches to all possible TypeIDField values.</returns>
internal static CodedValueSources BuildTypeIDCodedValueSource(Field field, FeatureLayerInfo layerInfo)
{
CodedValueSources codedValueSources = null;
foreach (KeyValuePair <object, FeatureType> kvp in layerInfo.FeatureTypes)
{
if (kvp.Key == null)
{
continue;
}
string name = (kvp.Value != null && kvp.Value.Name != null) ? kvp.Value.Name : "";
CodedValueSource codedValueSource = new CodedValueSource()
{
Code = kvp.Key, DisplayName = name
};
if (codedValueSources == null)
{
codedValueSources = new CodedValueSources();
if (field.Nullable)
{
CodedValueSource nullableSource = new CodedValueSource()
{
Code = null, DisplayName = " "
};
codedValueSources.Add(nullableSource);
}
}
codedValueSources.Add(codedValueSource);
}
return(codedValueSources);
}
/// <summary>
/// Builds a DynamicCodedValueSource object used to lookup display value.
/// </summary>
/// <param name="field">The field to build DynamicCodedValueSource for</param>
/// <param name="layerInfo">The FeatureLayerInfo used to lookup all the coded value domains </param>
/// <returns>DynamicCodedValueSource which is a collection of coded value domain values for a field.</returns>
internal static DynamicCodedValueSource BuildDynamicCodedValueSource(Field field, FeatureLayerInfo layerInfo)
{
DynamicCodedValueSource dynamicCodedValueSource = null;
foreach (object key in layerInfo.FeatureTypes.Keys)
{
FeatureType featureType = layerInfo.FeatureTypes[key];
if (featureType.Domains.ContainsKey(field.Name))
{
if (dynamicCodedValueSource == null)
{
dynamicCodedValueSource = new DynamicCodedValueSource();
}
CodedValueDomain codedValueDomain = featureType.Domains[field.Name] as CodedValueDomain;
if (codedValueDomain != null)
{
CodedValueSources codedValueSources = null;
foreach (KeyValuePair <object, string> kvp in codedValueDomain.CodedValues)
{
if (codedValueSources == null)
{
codedValueSources = new CodedValueSources();
if (field.Nullable)
{
CodedValueSource nullableSource = new CodedValueSource()
{
Code = null, DisplayName = " "
};
codedValueSources.Add(nullableSource);
}
}
codedValueSources.Add(new CodedValueSource()
{
Code = kvp.Key, DisplayName = kvp.Value
});
}
if (codedValueSources != null)
{
if (dynamicCodedValueSource == null)
{
dynamicCodedValueSource = new DynamicCodedValueSource();
}
dynamicCodedValueSource.Add(featureType.Id, codedValueSources);
}
}
}
}
return(dynamicCodedValueSource);
}
/// <summary>
/// Modifies the source data before passing it to the target for display in the UI.
/// </summary>
/// <param name="value">The source data being passed to the target.</param>
/// <param name="targetType">The <see cref="T:System.Type"/> of data expected by the target dependency property.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
/// <returns>
/// The value to be passed to the target dependency property.
/// </returns>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (parameter == null)
{
return(null);
}
CodedValueSources codedValueSources = parameter as CodedValueSources;
if (codedValueSources != null)
{
return(codedValueSources);
}
return("");
}
internal static object CodedValueCodeLookup(string field, object generic, CodedValueSources codedValueSources)
{
#if SILVERLIGHT
PropertyInfo fieldProperty = generic.GetType().GetProperty(field);
if (fieldProperty == null)
{
return(null);
}
var code = fieldProperty.GetValue(generic, null);
#else
var code = generic is Graphic ? (generic as Graphic).Attributes[field] : null;
#endif
if (code == null)
{
return(null);
}
return(code);
}
