/// <summary>
/// Sorts by the given column index.
/// </summary>
/// <param name="header"></param>
private void Sort(EntityListViewColumnHeader header)
{
if (header == null)
{
throw new ArgumentNullException("header");
}
// property...
PropertyDescriptor property = header.Property;
if (property == null)
{
throw new ArgumentNullException("property");
}
// get a comparer...
IComparer comparer = null;
if (property is EntityFieldPropertyDescriptor)
{
comparer = ((EntityFieldPropertyDescriptor)property).Field.GetComparer(Cultures.User);
}
else
{
comparer = ComparerBase.GetComparer(property.PropertyType, Cultures.User);
}
// check...
SortOrder useOrder = SortOrder.Ascending;
if (this.SortColumn == header)
{
if (this.Sorting == SortOrder.Ascending)
{
useOrder = SortOrder.Descending;
}
else
{
useOrder = SortOrder.Ascending;
}
}
// sort...
SortDirection direction = SortDirection.Ascending;
if (useOrder == SortOrder.Descending)
{
direction = SortDirection.Descending;
}
this.ListViewItemSorter = new EntityListViewComparer(header, comparer, direction);
this.Sorting = useOrder;
_sortColumn = header;
}
/// <summary>
/// Constructor.
/// </summary>
public EntityListViewComparer(EntityListViewColumnHeader header, IComparer innerComparer, SortDirection direction)
{
if (header == null)
{
throw new ArgumentNullException("header");
}
if (innerComparer == null)
{
throw new ArgumentNullException("innerComparer");
}
_header = header;
_innerComparer = innerComparer;
// mbr - 2010-04-05 - removed direction...
//// set...
//if(this.InnerComparer is IComparerDirection)
// ((IComparerDirection)this.InnerComparer).Direction = direction;
}
/// <summary>
/// Updates the view.
/// </summary>
internal void RefreshView()
{
// check...
if (EntityListView == null)
{
throw new ArgumentNullException("EntityListView");
}
if (Entity == null)
{
throw new ArgumentNullException("Entity");
}
// walk the columns...
this.SubItems.Clear();
for (int index = 0; index < this.EntityListView.Columns.Count; index++)
{
object value = null;
// header...
ColumnHeader header = this.EntityListView.Columns[index];
EntityListViewColumnHeader entityHeader = null;
if (header is EntityListViewColumnHeader)
{
entityHeader = (EntityListViewColumnHeader)header;
}
// check...
if (entityHeader == null)
{
throw new ArgumentNullException("entityHeader");
}
if (entityHeader.Property == null)
{
throw new ArgumentNullException("entityHeader.Property");
}
// get the value...
value = entityHeader.Property.GetValue(this.Entity);
// get a converter...
TypeConverter converter = null;
if (entityHeader.Property is EntityFieldPropertyDescriptor)
{
converter = ((EntityFieldPropertyDescriptor)entityHeader.Property).Field.GetConverter();
}
// convert...
string valueAsString = null;
if (converter != null)
{
valueAsString = converter.ConvertToString(null, Cultures.User, value);
}
else
{
valueAsString = Convert.ToString(value, Cultures.User);
}
// trim...
if (valueAsString == null)
{
valueAsString = string.Empty;
}
else
{
valueAsString = valueAsString.TrimEnd();
}
// show...
if (index == 0)
{
this.Text = valueAsString;
}
else
{
this.SubItems.Add(valueAsString);
}
}
}
