private void Initialize()
{
isDynamicCodedValue = false;
isCodedValue = false;
isTypeIDField = false;
dynamicCodedValueSource = null;
codedValueSources = null;
TypeIDField = string.Empty;
if (string.IsNullOrEmpty(_field) || _layerInfo == null)
{
return;
}
TypeIDField = _layerInfo.TypeIdField;
Field field = _layerInfo.Fields.FirstOrDefault(x => x.Name == _field);
isDynamicCodedValue = FieldDomainUtils.IsDynamicDomain(field, LayerInfo);
isCodedValue = (field.Domain is CodedValueDomain);
isTypeIDField = (field.Name == TypeIDField);
if (isDynamicCodedValue)
{
dynamicCodedValueSource = FieldDomainUtils.BuildDynamicCodedValueSource(field, _layerInfo);
}
else if (isTypeIDField)
{
codedValueSources = FieldDomainUtils.BuildTypeIDCodedValueSource(field, _layerInfo);
}
else if (isCodedValue)
{
codedValueSources = FieldDomainUtils.BuildCodedValueSource(field);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CodedValueDomainColumn"/> class.
/// </summary>
public CodedValueDomainColumn()
: base()
{
CodedValueSources = new CodedValueSources();
nameConverter = new CodedValueSourceConverter();
lookupConverter = new CodedValueSourceLookupConverter();
selectedConverter = new CodedValueSourceSelectedItemConverter();
}
internal int Compare(Graphic x, Graphic y)
{
var o1 = x.Attributes[Field]; // get primitive value
var o2 = y.Attributes[Field]; // get primitive value
if (isDynamicCodedValue)
{
o1 = DynamicCodedValueSource.CodedValueNameLookup(TypeIDField, Field, x, dynamicCodedValueSource);
o2 = DynamicCodedValueSource.CodedValueNameLookup(TypeIDField, Field, y, dynamicCodedValueSource);
}
if (isCodedValue || isTypeIDField)
{
o1 = CodedValueSources.CodedValueNameLookup(Field, x, codedValueSources);
o2 = CodedValueSources.CodedValueNameLookup(Field, y, codedValueSources);
}
return(comparer.Compare(o1, o2)); // compare primitives
}
/// <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>
/// Initializes a new instance of the <see cref="DynamicCodedValueDomainColumn"/> class.
/// </summary>
public DynamicCodedValueDomainColumn()
: base()
{
dateTimeConverter = new DateTimeFormatConverter();
nameConverter = new DynamicCodedValueSourceConverter();
lookupConverter = new DynamicCodedValueSourceLookupConverter();
selectedConverter = new DynamicCodedValueSourceSelectedItemConverter();
nullableSources = new CodedValueSources();
#if !SILVERLIGHT
stringToPrimitiveTypeConverter = new StringToPrimitiveTypeConverter();
#else
emptyStringToNullConverter = new EmptyStringToNullConverter();
#endif
}
internal int Compare(Graphic x, Graphic y)
{
var o1 = x.Attributes[Field]; // get primitive value
var o2 = y.Attributes[Field]; // get primitive value
if (o1 == null && o2 == null)
{
return(0);
}
else if (o1 != null && o2 == null)
{
return(1);
}
else if (o1 == null && o2 != null)
{
return(-1);
}
var type = NonNullableType(DataType);
var t1 = o1.GetType();
var t2 = o2.GetType();
if (type == typeof(DateTime))
{
if (t1 != type && t2 != type)
{
return(0);
}
if (t1 != type && t2 == type)
{
return(-1);
}
if (t1 == type && t2 != type)
{
return(1);
}
}
else
{
if (t1 != type)
{
o1 = Convert.ChangeType(o1, type);
}
if (t2 != type)
{
o2 = Convert.ChangeType(o2, type);
}
}
if (isDynamicCodedValue)
{
o1 = DynamicCodedValueSource.CodedValueNameLookup(TypeIDField, Field, x, dynamicCodedValueSource);
o2 = DynamicCodedValueSource.CodedValueNameLookup(TypeIDField, Field, y, dynamicCodedValueSource);
}
else if (isCodedValue || isTypeIDField)
{
o1 = CodedValueSources.CodedValueNameLookup(Field, x, codedValueSources);
o2 = CodedValueSources.CodedValueNameLookup(Field, y, codedValueSources);
}
return(comparer.Compare(o1, o2)); // compare primitives
}
/// <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>
/// 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;
}
