protected override void OnColumnClick(ColumnClickEventArgs e)
{
IColumnSorter columnSort = ListViewItemSorter as IColumnSorter;
if (columnSort == null || columnSort.ColumnIndex != e.Column)
{
if (SetupSort(e.Column))
{
this.Sort();
}
}
else
{
if (columnSort.SortOrder == SortOrder.Ascending)
{
columnSort.SortOrder = SortOrder.Descending;
}
else
{
columnSort.SortOrder = SortOrder.Ascending;
}
this.Sort();
}
base.OnColumnClick(e);
}
protected override void OnColumnClick(ColumnClickEventArgs e)
{
base.OnColumnClick(e);
IColumnSorter sorter = this.ListViewItemSorter as IColumnSorter;
if (sorter == null || sorter.ColumnIndex != e.Column)
{
sorter = GetSorter(e.Column, SortOrder.Ascending);
if (sorter != null)
{
this.ListViewItemSorter = sorter;
this.Sort();
}
}
else
{
sorter = GetSorter(e.Column, sorter.SortOrder == SortOrder.Ascending ? SortOrder.Descending : SortOrder.Ascending);
this.ListViewItemSorter = sorter;
this.Sort();
}
}
public DataGridColumnCustomSorter(IColumnSorter sorter, bool descending)
{
_sorter = sorter;
_descending = descending;
}
void InsertColumns()
{
Assert(!InvokeRequired);
IDataColumn[] colHeader = m_dataProvider.DataSource.Columns;
ColumnHeader[] columns = new ColumnHeader[colHeader.Length];
for (int i = 0; i < columns.Length; ++i)
{
columns[i] = new ColumnHeader()
{
Text = colHeader[i].Caption,
TextAlign = HorizontalAlignment.Center,
Tag = colHeader[i].DataType,
}
}
;
m_lvData.Columns.AddRange(columns);
}
void InsertItems(ListViewEntry[] items)
{
Assert(!InvokeRequired);
m_lvData.Items.AddRange(items);
TextLogger.Info("\nNbre d'enregistrements {0}.", m_dataProvider.Count);
}
void LoadDataAsync()
{
Func <ListViewEntry[]> loadData = () =>
{
ConnectProvider();
return(LoadItems());
};
var waitClue = new Waits.WaitClue(this);
Action <Task <ListViewEntry[]> > onError = t =>
{
Exception ex = t.Exception.InnerException;
TextLogger.Error(ex.Message);
waitClue.LeaveWaitMode();
if (ex is CorruptedStreamException == false)
{
ex = new CorruptedStreamException(innerException: ex);
}
throw ex;
};
Action <Task <ListViewEntry[]> > onSuccess = t =>
{
InsertColumns();
ListViewEntry[] items = t.Result;
InsertItems(items);
waitClue.LeaveWaitMode();
m_tslblStatus.Text = $"Nombre d'neregistrements: {m_lvData.Items.Count}";
};
waitClue.EnterWaitMode();
var loading = new Task <ListViewEntry[]>(loadData, TaskCreationOptions.LongRunning);
loading.ContinueWith(onSuccess,
CancellationToken.None,
TaskContinuationOptions.OnlyOnRanToCompletion,
TaskScheduler.FromCurrentSynchronizationContext());
loading.ContinueWith(onError, CancellationToken.None, TaskContinuationOptions.OnlyOnFaulted,
TaskScheduler.FromCurrentSynchronizationContext());
loading.Start();
}
IColumnSorter SorterFactory(int ndxColumn)
{
var dataType = (ColumnDataType_t)m_lvData.Columns[ndxColumn].Tag;
IColumnSorter sorter = null;
switch (dataType)
{
case ColumnDataType_t.Text:
sorter = new TextColumnSorter(ndxColumn);
break;
case ColumnDataType_t.Integer:
sorter = new IntegerColumnSorter(ndxColumn);
break;
case ColumnDataType_t.Float:
sorter = new FloatColumnSorter(ndxColumn);
break;
case ColumnDataType_t.Time:
sorter = new TimeColumnSorter(ndxColumn);
break;
}
Assert(sorter != null);
return(sorter);
}
/// <summary>
/// The setter for the attached property.
/// </summary>
public static void SetCustomSort(DataGridColumn self, IColumnSorter value)
{
self.SetValue(CustomSortProperty, value);
}
