/// <summary>Конструктор</summary>
/// <param name="layer">Слой</param>
/// <param name="nid">Ключ</param>
/// <param name="type">Тип</param>
/// <param name="nParts">Список частей</param>
/// <param name="nFieldValues">Список значений полей</param>
/// <param name="nStyle">Стили</param>
internal Feature(MiLayer layer, int nid, FeatureType type, List <List <Vertex> > nParts,
IReadOnlyList <string> nFieldValues, IReadOnlyDictionary <string, string> nStyle)
{
Id = nid;
Handle = MiApi.mitab_c_create_feature(layer.Handle, (int)type);
Layer = layer;
Type = type;
Parts = new Parts(this, nParts);
if (nStyle != null)
{
SetStyle(nStyle);
}
if (nFieldValues != null)
{
for (var i = 0; i < nFieldValues.Count; i++)
{
MiApi.mitab_c_set_field(Handle, i, nFieldValues[i]);
}
}
var res = MiApi.mitab_c_write_feature(layer.Handle, Handle);
if (res.ToInt32() == 1)
{
MiApi.mitab_c_destroy_feature(Handle);
}
else
{
throw new Exception("Ошибка создания Feature"); //
}
}
/// <summary>Конструктор</summary>
/// <param name="layer">Слой</param>
protected internal Fields(MiLayer layer) : base(MiApi.mitab_c_get_field_count(layer.Handle))
{
for (int i = 0; i < Count; i++)
{
fields.Add(CreateField(layer, i));
}
}
/// <summary>Конструктор</summary>
/// <param name="layer">Слой</param>
/// <param name="featureId">Ключ</param>
protected internal Feature(MiLayer layer, int featureId)
{
this.Id = featureId;
this.Layer = layer;
this.Handle = MiApi.mitab_c_read_feature(layer.Handle, featureId);
this.Type = MiApi.mitab_c_get_type(Handle);
this.Parts = CreateParts(this);
}
/// <summary>Конструктор</summary>
/// <param name="layer">Слой</param>
/// <param name="featureId">Ключ</param>
internal Feature(MiLayer layer, int featureId)
{
Id = featureId;
Layer = layer;
Handle = MiApi.mitab_c_read_feature(layer.Handle, featureId);
Type = MiApi.mitab_c_get_type(Handle);
Parts = CreateParts(this);
}
/// <summary>Конструктор</summary>
/// <param name="layer">Слой</param>
/// <param name="i">Индекс</param>
protected internal Field(MiLayer layer, int i)
{
this.Layer = layer;
this.Index = i;
this.Name = MiApi.mitab_c_get_field_name(layer.Handle, i);
this.Type = MiApi.mitab_c_get_field_type(layer.Handle, i);
this.Precision = (short)MiApi.mitab_c_get_field_precision(layer.Handle, i);
this.Width = MiApi.mitab_c_get_field_width(layer.Handle, i);
}
/// <summary>Создать mif-файл</summary>
/// <param name="tabFileName">Имя файла</param>
/// <param name="lay">Слой данных</param>
/// <returns></returns>
public static MiLayer CreateMIF(string tabFileName, DataLayer lay)
{
var bounds = lay.GetMBR();
var res = new MiLayer(MiApi.mitab_c_create(tabFileName, "mif", "NonEarth Units \"m\"",
bounds.maxy, bounds.miny, bounds.minx, bounds.maxx), tabFileName);
res.AddLayer(lay);
res.Close();
return(res);
}
/// <summary>Конструктор</summary>
/// <param name="layer">Слой</param>
/// <param name="fieldName">Имя поля</param>
/// <param name="fieldType">Тип поля</param>
/// <param name="width">Ширина</param>
/// <param name="precision">Точность</param>
/// <param name="indexed"></param>
/// <param name="unique"></param>
protected internal Field(MiLayer layer, string fieldName, FieldType fieldType, int width, int precision,
int indexed, int unique)
{
IntPtr fieldId = MiApi.mitab_c_add_field(layer.Handle,
fieldName, (int)fieldType, width, precision, indexed, unique);;
this.Layer = layer;
this.Index = fieldId.ToInt32();
this.Name = fieldName;
this.Type = fieldType;
this.Precision = (short)precision;
this.Width = width;
}
/// <summary>Создать tab-файл</summary>
/// <param name="tabFileName">Имя файла</param>
/// <param name="lay">Слой данных</param>
/// <returns></returns>
public static MiLayer CreateTab(string tabFileName, DataLayer lay)
{
var bounds = lay.GetMBR();
if (bounds == null)
{
return(null);
}
var res = new MiLayer(MiApi.mitab_c_create(tabFileName, "tab", "NonEarth Units \"m\"",
bounds.maxy, bounds.miny, bounds.minx, bounds.maxx), tabFileName);
//
res.AddLayer(lay);
res.Close();
return(res);
}
/// <summary>онструктор</summary>
/// <param name="layer"></param>
protected internal Features(MiLayer layer) : base(MiApi.mitab_c_get_feature_count(layer.Handle))
{
this.Layer = layer;
}
/// <summary>Конструктор</summary>
/// <param name="objProvider"></param>
/// <param name="layer"></param>
internal FeaturesEnum(IObjectProvider objProvider, MiLayer layer) : base(objProvider)
{
this._layer = layer;
}
/// <summary>Добавить поле</summary>
/// <param name="layer">Слой</param>
/// <param name="fieldName">Имя поля</param>
/// <param name="fieldType">Тип поля</param>
/// <param name="width">Ширина</param>
/// <param name="precision">Точность</param>
/// <param name="indexed"></param>
/// <param name="unique"></param>
public void AddField(MiLayer layer,
string fieldName, FieldType fieldType, int width, int precision, int indexed, int unique)
{ //
fields.Add(new Field(layer, fieldName, fieldType, width, precision, indexed, unique));
}
/// <summary>Override this to support descendants of the Field class.</summary>
/// <returns>A Field, with the given index, belonging to the given Layer</returns>
protected internal virtual Field CreateField(MiLayer layer, int index)
{
return(new Field(layer, index));
}
/// <summary>Override this to support descendants of the Field class.</summary> /// <returns>A Field, with the given index, belonging to the given Layer</returns> internal Field CreateField(MiLayer layer, int index) => new Field(layer, index);
