private IOrderedEnumerable <TEntity> ApplySorting(IEnumerable <TEntity> listWithMofifiersApplied)
{
var sortByFirstCriterion = SortModifiers.First();
IOrderedEnumerable <TEntity> sortedList;
if (sortByFirstCriterion.Asc)
{
sortedList = listWithMofifiersApplied.OrderBy(sortByFirstCriterion.SortByExpression);
}
else
{
sortedList = listWithMofifiersApplied.OrderByDescending(sortByFirstCriterion.SortByExpression);
}
var sortByAddtionalCriteria = SortModifiers.Skip(1); // Sort by more than one column => loop trough all the rest columns
foreach (var sortMod in sortByAddtionalCriteria)
{
if (sortMod.Asc)
{
sortedList = sortedList.ThenBy(sortMod.SortByExpression);
}
else
{
sortedList = sortedList.ThenByDescending(sortMod.SortByExpression);
}
}
return(sortedList);
}
public ListViewColumnSorter(int newCol, SortOrder newOrder)
{
ColumnToSort = newCol;
OrderOfSort = newOrder;
switch (ColumnToSort)
{
case 1:
mySortModifier = SortModifiers.SortByDate;
break;
case 5:
case 6:
mySortModifier = SortModifiers.SortByDecimal;
break;
default:
mySortModifier = SortModifiers.SortByText;
break;
}
ObjectCompare = new NumberCaseInsensitiveComparer();
FirstObjectCompare = new ImageTextComparer();
FirstObjectCompare2 = new CheckboxTextComparer();
}
/// <summary>
/// Class constructor. Initializes various elements
/// </summary>
public ListViewColumnSorter()
{
// Initialize the column to '0'
SortColumn = 0;
SortModifier = SortModifiers.SortByText;
// Initialize the CaseInsensitiveComparer object
objectCompare = new NumberCaseInsensitiveComparer();
firstObjectCompare = new ImageTextComparer();
firstObjectCompare2 = new CheckboxTextComparer();
}
