/// <summary>
/// Build source definitions list for data controls contained in the form of the given task.
/// </summary>
/// <param name="task">The task whose form should be searched for data controls.</param>
/// <returns>A list of data source definitions that correspond to the data controls. If the
/// task does not have a form, the method will return an empty list.</returns>
public static List <IDataSourceViewDefinition> BuildDataControlSourceDefinitions(Task task)
{
List <IDataSourceViewDefinition> viewDefs = new List <IDataSourceViewDefinition>();
MgFormBase form = task.getForm();
if (form != null)
{
foreach (var control in form.CtrlTab.GetControls(ControlTable.SelectDataControlPredicate))
{
DataSourceId sourceId = new DataSourceId();
sourceId.CtlIdx = control.SourceTableReference.CtlIndex;
sourceId.Isn = control.SourceTableReference.ObjectISN;
var dsDef = ClientManager.Instance.LocalManager.ApplicationDefinitions.DataSourceDefinitionManager.GetDataSourceDefinition(sourceId);
if (dsDef != null)
{
DataSourceReference dataSourceRef = new DataSourceReference(dsDef, Access.Read);
Property indexProperty = control.getProp(PropInterface.PROP_TYPE_INDEX);
int keyIndex = indexProperty.getValueInt() - 1;
Property valueFieldProperty = control.getProp(PropInterface.PROP_TYPE_LINK_FIELD);
int valueFieldIndex = valueFieldProperty.getValueInt() - 1;
Property displayFieldProperty = control.getProp(PropInterface.PROP_TYPE_DISPLAY_FIELD);
int displayFieldIndex = displayFieldProperty.getValueInt() - 1;
var viewDef = new DataControlSourceViewDefinition(dataSourceRef, keyIndex, valueFieldIndex, displayFieldIndex, control.getDitIdx());
viewDef.RangeDataBuilder = CreateRangeDataBuilder(((MgControl)control).RangeBoundaryFactories, task, viewDef);
viewDefs.Add(viewDef);
}
}
}
return(viewDefs);
}
private static IRangeDataBuilder CreateRangeDataBuilder(IEnumerable <BoundaryFactory> boundaryFactories, Task task, DataControlSourceViewDefinition sourceView)
{
DataSourceDefinition dsDefinition = sourceView.TaskDataSource.DataSourceDefinition;
var fieldBoundaries = new List <FieldBoundaries>();
if (boundaryFactories != null)
{
foreach (var factory in boundaryFactories)
{
FieldBoundaries fb = new FieldBoundaries();
fb.DBField = dsDefinition.Fields[factory.BoundaryFieldIndex - 1];
fb.IndexInView = sourceView.FindOrAddField(fb.DBField);
fb.Range = factory.CreateBoundary(task, sourceView.TaskDataSource);
fb.IsLink = false;
fieldBoundaries.Add(fb);
}
}
DataControlRangeDataBuilder rangeDataBuilder = new DataControlRangeDataBuilder(fieldBoundaries);
return(rangeDataBuilder);
}
