public void Create_Property_MapToInvalidProperty_Throws()
{
var definition = TestListDefinition.Create <Request, Item, Result2>();
var expression = new PageExpression <Request, Result2>(x => x.Page);
definition.PageDefinition = expression;
Factory.Invoking(x => x.Create(definition))
.Should()
.ThrowExactly <PropertyNotFoundException>();
}
public void Create_Name_DefaultValueByAttribute_Succeeds()
{
var definition = TestListDefinition.Create <Request2, Item, Result>();
var expression = new PageExpression <Request2, Result>("Page");
definition.PageDefinition = expression;
var configuration = Factory.Create(definition);
configuration.RequestProperty.Name.Should().Be("Page");
configuration.ResultProperty.Name.Should().Be("Page");
configuration.DefaultValue.Should().Be(2);
configuration.Name.Should().BeNull();
}
public void Create_Property_MapTo_Property_Succeeds()
{
var definition = TestListDefinition.Create <Request, Item, Result2>();
var expression = new PageExpression <Request, Result2>(x => x.Page);
expression.MapTo(x => x.CurrentPage);
definition.PageDefinition = expression;
var configuration = Factory.Create(definition);
configuration.RequestProperty.Name.Should().Be("Page");
configuration.ResultProperty.Name.Should().Be("CurrentPage");
configuration.DefaultValue.Should().Be(1);
configuration.Name.Should().BeNull();
}
void dataPager_Click(object sender, RoutedEventArgs e)
{
PageExpression pager = Queryer.QueryExpression.Pager;
int minRow = pager.PreRowCount / pager.PageSize -1;
int subPageCount = this.dataPager.PageIndex - pager.PageIndex;
if (subPageCount <= minRow && subPageCount >= 0)
{
// this.ItemsSource
var data = this.ItemsSource.Skip(subPageCount * pager.PageSize).Take(pager.PageSize);
this.ADtGrid.ItemsSource = data;
}
else
{
this.Pager.PageIndex = this.dataPager.PageIndex;
Queryer.Query();
}
}
public IQueryable <TEntity> FilterPage <TEntity>(IQueryable <TEntity> queryData, PageExpression pager)
{
int skipNum = (pager.PageIndex - 1) * pager.PageSize;
int takeNum = pager.PreRowCount;
int rowCount = queryData.Count();
int pageCount = rowCount / pager.PageSize;
if (rowCount % pager.PageSize > 0)
{
pageCount++;
}
pager.PageCount = pageCount;
if (pageCount < pager.PageIndex)
{
pager.PageIndex = pageCount == 0 ? 1 : pageCount;
}
return(queryData.ToList().AsQueryable().Skip(skipNum).Take(takeNum));
}