protected virtual void SelectDataGrid_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
if (!IsFine || e.Button != MouseButtons.Left || e.Clicks != 1 || Disposing || IsDisposed)
{
return;
}
object keyObject = KeyObject;
try
{
this.block = true;
DocsDataGridColumnHeaderCell currentHeaderCell = (DocsDataGridColumnHeaderCell)Columns[e.ColumnIndex].HeaderCell;
switch (currentHeaderCell.SortOrder)
{
case 0: // стобец в сортировке не участвовал ранее
for (byte i = 0; i < Columns.Count; i++)
{
if (Columns[i].Visible &&
((DocsDataGridColumnHeaderCell)Columns[i].HeaderCell).SortOrder < 6 &&
((DocsDataGridColumnHeaderCell)Columns[i].HeaderCell).SortOrder > 0)
{
if (((DocsDataGridColumnHeaderCell)Columns[i].HeaderCell).SortOrder == 5)
{
((DocsDataGridColumnHeaderCell)Columns[i].HeaderCell).SortOrder = 0;
Columns[i].HeaderCell.SortGlyphDirection = SortOrder.None;
}
else
{
((DocsDataGridColumnHeaderCell)Columns[i].HeaderCell).SortOrder++;
}
}
}
currentHeaderCell.SortOrder = 1;
currentHeaderCell.SortGlyphDirection = SortOrder.Descending;
break;
case 1: // поменяем направление сортировки
currentHeaderCell.SortGlyphDirection = currentHeaderCell.SortGlyphDirection == SortOrder.Ascending
? SortOrder.Descending
: SortOrder.Ascending;
break;
default: // попали в столбец, который ранее был в очереди, но не первый
byte _sortOrder = currentHeaderCell.SortOrder;
for (byte i = 0; i < Columns.Count; i++)
{
if (Columns[i].Visible &&
((DocsDataGridColumnHeaderCell)Columns[i].HeaderCell).SortOrder < _sortOrder &&
((DocsDataGridColumnHeaderCell)Columns[i].HeaderCell).SortOrder > 0)
{
((DocsDataGridColumnHeaderCell)Columns[i].HeaderCell).SortOrder++;
}
}
currentHeaderCell.SortOrder = 1;
break;
}
this.DataBindingComplete -= SelectDataGrid_DataBindingComplete;
this.DataBindingComplete += new DataGridViewBindingCompleteEventHandler(SelectDataGrid_DataBindingComplete);
MakeSortOrder(true);
}
catch (Exception ex)
{
Data.Env.WriteToLog(ex);
}
finally
{
//if(this.DataBindings != null)
// this.GetDataView().EndInit();
//if(keyObject == null)
//{
// this.block = false;
// ClearSelection();
//}
//else
// SelectRow(keyObject);
//this.block = false;
if (VerticalScrollBar.Visible)
{
VerticalScrollBar.Invalidate();
}
if (HorizontalScrollBar.Visible)
{
HorizontalScrollBar.Invalidate();
}
}
}