public DataControlRangeDataCollection(DataSourceId dataSourceIdentifier, IRangeDataBuilder rangeDataBuilder, int controlId)
{
this.dataSourceIdentifier = dataSourceIdentifier;
rangeDataList = rangeDataBuilder.Build(BoudariesFlags.Range);
rangeComparer = new ListComparer <List <RangeData> >();
this.controlId = controlId;
}
/// <summary>
/// Instantiates a DC values compute strategy for a specific data control. The compute
/// strategy will use the given DC values builder to build the list.
/// </summary>
/// <param name="boundControlId"></param>
/// <param name="dcValuesBuilder"></param>
/// <param name="dcValuesRangeBuilder"></param>
/// <param name="rangeDataSourceId"></param>
public DataControlValuesComputeStrategy(int boundControlId, DcValuesBuilderBase dcValuesBuilder, IRangeDataBuilder dcValuesRangeBuilder, DataSourceId rangeDataSourceId)
{
this.dcValuesBuilder = dcValuesBuilder;
this.boundControlId = boundControlId;
this.dcValuesRangeBuilder = dcValuesRangeBuilder;
this.rangeDataSourceId = rangeDataSourceId;
}
public DataControlSourceViewDefinition(DataSourceReference dataSourceReference, int keyIndex, int valueFieldIndex, int displayFieldIndex, int boundControlId)
{
TaskDataSource = dataSourceReference;
DbKey = dataSourceReference.DataSourceDefinition.TryGetKey(keyIndex);
DbFields = new List <DBField>();
DBField f = dataSourceReference.DataSourceDefinition.Fields[displayFieldIndex];
DbFields.Add(f);
if (valueFieldIndex == -1)
{
valueFieldIndex = displayFieldIndex;
}
f = dataSourceReference.DataSourceDefinition.Fields[valueFieldIndex];
DbFields.Add(f);
BoundControlId = boundControlId;
RangeDataBuilder = null;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
internal override ReturnResultBase Execute()
{
IRangeDataBuilder origRangeDataBuilder = null;
IFieldView fieldView = TaskViews.Fields[fieldId];
// Initialize the stuff needed to locate the right record
if (!fieldView.IsVirtual && !fieldView.IsLink)
{
// set the range builder, which will pass the data to the gateway
origRangeDataBuilder = TaskViews.ViewMain.RangeBuilder;
TaskViews.ViewMain.RangeBuilder = new IncrementalLocateRangeDataBuilder(TaskViews.ViewMain.ViewBoundaries, minValue, fieldView);
// use the base record computer - no need for extra computing after the fetch
recordComputer = base.RecordComputer;
}
else
{
// the gateway will not compute it for us - need to use a special record computer
RecordComputerBuilder recordComputerBuilder = new IncrementalLocateRecordComputerBuilder(fieldView, minValue)
{
LocalDataviewManager = LocalDataviewManager,
TaskViews = TaskViews
};
recordComputer = recordComputerBuilder.Build();
}
TaskViews.ViewMain.CurrentCursor = TaskViews.ViewMain.LocateCursor;
// try and get a matching record
base.Execute();
TaskViews.ViewMain.CurrentCursor = TaskViews.ViewMain.defaultCursor;
// restore ViewMain state
if (origRangeDataBuilder != null)
{
TaskViews.ViewMain.RangeBuilder = origRangeDataBuilder;
}
return(new GatewayResult());
}
