bool CanClearValueInField(object param = null)
{
CosM.CosmeticAttributes.CosmeticAttributeM attr = null;
if (param is CommandEventParameter)
{
CommandEventParameter commEvtParam = param as CommandEventParameter;
attr = commEvtParam.CommandParameter as CosM.CosmeticAttributes.CosmeticAttributeM;
}
else if (param is CosM.CosmeticAttributes.CosmeticAttributeM)
{
attr = param as CosM.CosmeticAttributes.CosmeticAttributeM;
}
return(attr != null && attr.Value != null);
}
void ClearValueInField(object param = null)
{
if (CanClearValueInField(param))
{
CosM.CosmeticAttributes.CosmeticAttributeM attr = null;
if (param is CommandEventParameter)
{
CommandEventParameter commEvtParam = param as CommandEventParameter;
attr = commEvtParam.CommandParameter as CosM.CosmeticAttributes.CosmeticAttributeM;
}
else if (param is CosM.CosmeticAttributes.CosmeticAttributeM)
{
attr = param as CosM.CosmeticAttributes.CosmeticAttributeM;
}
attr.Value = null;
}
}
/// <summary>
/// Загружает или обновляет список атрибутов
/// </summary>
public void Reload(object param = null)
{
var addAttributes = new List <CosM.CosmeticAttributes.CosmeticAttributeM>();
foreach (CosM.CosmeticFieldM item in _table.Fields)
{
if (item.Type != AbsM.EFieldType.Geometry &&
PkAttribute.Field != item)
{
var attribute = FindAttribute(item);
if (attribute == null)
{
attribute = new CosM.CosmeticAttributes.CosmeticAttributeM(item);
}
addAttributes.Add(attribute);
}
}
ExtraFunctions.Sorts.SortList(Attributes, addAttributes);
var layer = _attributeVM.Source.MapViewer.getLayer(Table.Name);
if (layer != null)
{
for (int t = 0; t < layer.FieldsCount; t++)
{
String fieldName = layer.FieldName(t).ToString();
var vmObj = layer.getObject(_attributeVM.TableObject.Id);
Object fieldValue = vmObj.fieldValue(fieldName);
if (PkAttribute.Field.Name == fieldName)
{
PkAttribute.Value = fieldValue;
}
else
{
var attr = Attributes.FirstOrDefault(a => a.Field.Name == fieldName);
if (attr != null)
{
attr.Value = fieldValue;
}
}
}
}
CancelValidation(param);
}
/// <summary>
/// Работы с атрибутами объекта
/// </summary>
/// <param name="table">Ссылка на таблицу</param>
/// <param name="mapObj">Объекта слоя с атрибутами.</param>
/// <exception cref="ArgumentNullException"/>
public CosmeticAttributesListVM(CosmeticAttributesVM attributeVM)
{
_attributeVM = attributeVM;
_isDebug = attributeVM.IsDebug;
_table = attributeVM.Table;
_geomAttribute = new CosM.CosmeticAttributes.CosmeticAttributeM((CosM.CosmeticFieldM)_table.Fields.First(p => p.Name == _table.GeomFieldName));
_pkAttribute = new CosM.CosmeticAttributes.CosmeticAttributeM((CosM.CosmeticFieldM)_table.PrimaryKeyField);
if (_attributeVM.TableObject != null)
{
int id = _attributeVM.TableObject.Id;
if (id >= 0)
{
_pkAttribute.Value = id;
}
}
_isNew = (_pkAttribute.Value == null);
_attributes = new ObservableCollection <CosM.CosmeticAttributes.CosmeticAttributeM>();
}