public override SelectResult ExecuteSelect(AdamDataSourceSelectingEventArgs arguments)
{
var selectResult = new SelectResult<FieldInheritanceDefinition>();
var definitionCollection = new FieldDefinitionCollection(App);
var isLastPage = LoadFieldsPage(definitionCollection, arguments);
var inheritanceDefinitions = LoadDefinitionsFor(definitionCollection).ToList();
selectResult.SetItems(arguments, inheritanceDefinitions, isLastPage);
return selectResult;
}
public override SelectResult ExecuteSelect(AdamDataSourceSelectingEventArgs arguments)
{
var selectResult = new SelectResult <FieldInheritanceDefinition>();
var definitionCollection = new FieldDefinitionCollection(App);
var isLastPage = LoadFieldsPage(definitionCollection, arguments);
var inheritanceDefinitions = LoadDefinitionsFor(definitionCollection).ToList();
selectResult.SetItems(arguments, inheritanceDefinitions, isLastPage);
return(selectResult);
}
public override int QueryTotalRowCount(AdamDataSourceSelectingEventArgs arguments)
{
var amountOfFieldDefinitions = new FieldDefinitionHelper(App).GetMatches(arguments.SelectExpression, false);
if (arguments.MaximumRows != -1)
{
if (amountOfFieldDefinitions > arguments.MaximumRows)
{
return arguments.MaximumRows;
}
}
return amountOfFieldDefinitions;
}
public override int QueryTotalRowCount(AdamDataSourceSelectingEventArgs arguments)
{
var amountOfFieldDefinitions = new FieldDefinitionHelper(App).GetMatches(arguments.SelectExpression, false);
if (arguments.MaximumRows != -1)
{
if (amountOfFieldDefinitions > arguments.MaximumRows)
{
return(arguments.MaximumRows);
}
}
return(amountOfFieldDefinitions);
}
private bool LoadFieldsPage(FieldDefinitionCollection definitionCollection, AdamDataSourceSelectingEventArgs arguments)
{
var pageNumber = arguments.PageNumber + 1;
var loadOptions = arguments.LoadOptions as FieldDefinitionLoadOptions;
var maxRows = arguments.MaximumRows;
var pageSize = arguments.PageSize;
var sortExpression = arguments.SortExpression;
var searchExpression = arguments.SelectExpression;
bool isLastPage;
do
{
definitionCollection.Load(searchExpression, sortExpression, pageNumber, pageSize, out isLastPage, maxRows, loadOptions);
--pageNumber;
}while (definitionCollection.Count == 0 && pageNumber > 0);
arguments.PageNumber = pageNumber;
return(isLastPage);
}
private bool LoadFieldsPage(FieldDefinitionCollection definitionCollection, AdamDataSourceSelectingEventArgs arguments)
{
var pageNumber = arguments.PageNumber + 1;
var loadOptions = arguments.LoadOptions as FieldDefinitionLoadOptions;
var maxRows = arguments.MaximumRows;
var pageSize = arguments.PageSize;
var sortExpression = arguments.SortExpression;
var searchExpression = arguments.SelectExpression;
bool isLastPage;
do
{
definitionCollection.Load(searchExpression, sortExpression, pageNumber, pageSize, out isLastPage, maxRows, loadOptions);
--pageNumber;
}
while (definitionCollection.Count == 0 && pageNumber > 0);
arguments.PageNumber = pageNumber;
return isLastPage;
}
