|
public GetFilteredColumns ( View view ) : List |
||
| view | View | Which view are the columns being calculate for? |
| return | List |
|
/// <summary>
/// Edit a given value
/// </summary>
/// <param name="context"></param>
/// <param name="provider"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
// Figure out which ObjectListView we are working on. This should be the Instance of the context.
ObjectListView olv = null;
if (context != null)
{
olv = context.Instance as ObjectListView;
}
if (olv == null)
{
//THINK: Can this ever happen?
System.Diagnostics.Debug.WriteLine("context.Instance was NOT an ObjectListView");
// Hack to figure out which ObjectListView we are working on
ListView.ColumnHeaderCollection cols = (ListView.ColumnHeaderCollection)value;
if (cols.Count == 0)
{
cols.Add(new OLVColumn());
olv = (ObjectListView)cols[0].ListView;
cols.Clear();
olv.AllColumns.Clear();
}
else
{
olv = (ObjectListView)cols[0].ListView;
}
}
// Edit all the columns, not just the ones that are visible
base.EditValue(context, provider, olv.AllColumns);
// Calculate just the visible columns
List <OLVColumn> newColumns = olv.GetFilteredColumns(View.Details);
olv.Columns.Clear();
olv.Columns.AddRange(newColumns.ToArray());
return(olv.Columns);
}
