private WeakReference <PpsMasterDataRow> referencedRow = null; // pointer to the actual row
/// <summary></summary>
/// <param name="row"></param>
/// <param name="column"></param>
public PpsMasterDataExtendedValue(PpsDataRow row, PpsDataColumnDefinition column)
: base(row, column)
{
this.environment = PpsDataSetDefinitionDesktop.GetEnvironmentFromColumn(column);
this.masterDataTable = environment.MasterData.GetTable(
column.Meta.GetProperty <string>("refTable", null)
?? throw new ArgumentNullException("refTable", "Meta attribute refTable is not definied.")
) ?? throw new ArgumentNullException("refTable");
} // ctor
private PpsDataTableRelationDefinition parentRelation; // relation to the parent column, the current column has a value from the parent column
/// <summary></summary>
/// <param name="table"></param>
/// <param name="clone"></param>
protected PpsDataColumnDefinition(PpsDataTableDefinition table, PpsDataColumnDefinition clone)
{
this.table = table;
this.columnName = clone.columnName;
this.isIdentity = clone.isIdentity;
this.isExtendedValue = new Lazy <bool>(() => DataType.GetTypeInfo().ImplementedInterfaces.Contains(typeof(IPpsDataRowExtendedValue)));
this.isReadOnly = new Lazy <bool>(() => IsExtended && !DataType.GetTypeInfo().ImplementedInterfaces.Contains(typeof(IPpsDataRowSetGenericValue)));
if (clone.IsPrimaryKey)
{
table.SetPrimaryKey(this);
}
} // ctor
} // ctor
/// <summary>Validate auto tag definition.</summary>
public virtual void EndInit()
{
var tableDef = datasetDefinition.FindTable(tableName);
if (tableDef == null)
{
throw new ArgumentException($"Tag '{tagName}' could not initalized. Table '{tableName}' not found.");
}
column = tableDef.Columns[columnName];
if (column == null)
{
throw new ArgumentException($"Tag '{tagName}' could not initalized. Column '{tableName}.{columnName}' not found.");
}
} // proc EndInit
/// <summary></summary>
/// <param name="row"></param>
/// <param name="column"></param>
public PpsStaticCalculated(PpsDataRow row, PpsDataColumnDefinition column)
: base(row, column)
{
var code = column.Meta.GetProperty("formula", (string)null);
// compile the code
if (!String.IsNullOrEmpty(code))
{
// get lua engine
var lua = column.Table.DataSet.Lua;
chunk = lua.CompileChunk(code, column.Name + "-formula.lua", null);
// register table changed, for the update
row.Table.DataSet.DataChanged += (sender, e) => UpdateValue();
}
} // ctor
} // func GetPublicMemberList
internal static object GetConvertedValue(PpsDataColumnDefinition columnInfo, object value)
{
if (value != null) // unpack data type
{
if (columnInfo.IsRelationColumn && value is PpsDataRow parentRow)
{
if (parentRow.Table.TableDefinition != columnInfo.ParentColumn.Table)
{
throw new InvalidCastException($"The row (from table '{parentRow.Table.TableName}') is not a member of the parent table ({columnInfo.ParentColumn.Table.Name})");
}
value = parentRow[columnInfo.ParentColumn.Index];
}
else if (!columnInfo.IsExtended)
{
value = Procs.ChangeType(value, columnInfo.DataType);
}
}
return(value);
} // func GetConvertedValue
/// <summary></summary>
/// <param name="row"></param>
/// <param name="column"></param>
public PpsObjectExtendedValue(PpsDataRow row, PpsDataColumnDefinition column)
: base(row, column)
{
this.environment = PpsDataSetDefinitionDesktop.GetEnvironmentFromColumn(column);
this.dataset = (row.Table.DataSet as IPpsObjectBasedDataSet) ?? throw new ArgumentException("Dataset does not implement IPpsObjectBasedDataSet.");
} // ctor
internal static PpsEnvironment GetEnvironmentFromColumn(PpsDataColumnDefinition column)
=> ((PpsDataSetDefinitionDesktop)column.Table.DataSet).Environment ?? throw new ArgumentNullException("environment");
/// <summary></summary>
/// <param name="row"></param>
/// <param name="column"></param>
public PpsLinkedObjectExtendedValue(PpsDataRow row, PpsDataColumnDefinition column)
: base(row, column)
{
this.environment = PpsDataSetDefinitionDesktop.GetEnvironmentFromColumn(column);
this.dataset = row.Table.DataSet as IPpsObjectBasedDataSet;
} // ctor
} // ctor
public PpsDataColumnMetaCollectionClient(PpsDataColumnDefinition column, XElement xMetaGroup)
: base(column)
{
PpsDataHelperClient.AddMetaGroup(xMetaGroup, Add);
} // ctor
public PpsDataColumnMetaCollectionClient(PpsDataColumnDefinition column, PpsDataColumnMetaCollectionClient clone)
: base(column, clone)
{
} // ctor
} // ctor
/// <summary></summary>
/// <param name="column"></param>
/// <param name="clone"></param>
protected PpsDataColumnMetaCollection(PpsDataColumnDefinition column, PpsDataColumnMetaCollection clone)
: base(clone)
{
this.staticMeta = new PpsDataColumnStaticMetaCollection(column);
} // ctor
/// <summary></summary>
/// <param name="column"></param>
public PpsDataColumnMetaCollection(PpsDataColumnDefinition column)
{
this.staticMeta = new PpsDataColumnStaticMetaCollection(column);
} // ctor
public PpsDataColumnStaticMetaCollection(PpsDataColumnDefinition column)
{
this.column = column;
} // ctor
private object value = null; // id to the master data row
/// <summary></summary>
/// <param name="row"></param>
/// <param name="column"></param>
protected PpsDataRowObjectExtendedValue(PpsDataRow row, PpsDataColumnDefinition column)
: base(row, column)
{
} // ctor
/// <summary></summary>
/// <param name="row"></param>
/// <param name="column"></param>
public PpsDataRowExtentedValue(PpsDataRow row, PpsDataColumnDefinition column)
{
this.row = row;
this.column = column;
} // ctor