private void ColumnHeader_DoubleClickEvent(object sender, MouseButtonEventArgs e)
{
var header = (System.Windows.Controls.Primitives.DataGridColumnHeader)sender;
var tcID = (int)header.Content;
var firstOccurence = RequirementsDataGrid.Items.Cast <RequirementSingleView>()
.TakeWhile(x => x.TCIDsValue.Contains(tcID) != true)
.Count();
var lastOccurence = RequirementsDataGrid.Items.Cast <RequirementSingleView>().Count() - RequirementsDataGrid.Items.Cast <RequirementSingleView>()
.Reverse()
.TakeWhile(x => x.TCIDsValue.Contains(tcID) != true)
.Count();
RequirementsDataGrid.ScrollIntoView(RequirementsDataGrid.Items[lastOccurence]);
RequirementsDataGrid.ScrollIntoView(RequirementsDataGrid.Items[firstOccurence]);
}
private void Helper_LeftClickEvent(object sender, MouseButtonEventArgs e)
{
var gridCell = (DataGridCell)sender;
var tc = (int)gridCell.Column.Header;
var senderDatagrid = VisualTreeHelper.GetParent(gridCell);
while (senderDatagrid != null && senderDatagrid.GetType() != typeof(DataGrid))
{
senderDatagrid = VisualTreeHelper.GetParent(senderDatagrid);
}
var isGoingDown = ((DataGrid)senderDatagrid).Name == nameof(ReqHelperBottom);
var selectedRows = RequirementsDataGrid.SelectedItems.Count;
if (selectedRows >= 1)
{
var firstSelected = (RequirementSingleView)RequirementsDataGrid.SelectedItems[0];
RequirementsDataGrid.SelectedItems.Clear();
if (firstSelected.TCIDsValue.Contains(tc))
{
RequirementsDataGrid.SelectedItems.Add(firstSelected);
}
else
{
RequirementsDataGrid.SelectedItems.Add(RequirementsDataGrid.Items.Cast <RequirementSingleView>().First(x => x.TCIDsValue.Contains(tc) && x.IsVisible));
RequirementsDataGrid.ScrollIntoView(firstSelected);
return;
}
RequirementsDataGrid.ScrollIntoView(firstSelected);
if (selectedRows > 1)
{
return;
}
RequirementsDataGrid.SelectedItems.Clear();
var reqs = RequirementsDataGrid.Items.Cast <RequirementSingleView>().AsEnumerable();
if (isGoingDown == false)
{
reqs = reqs.Reverse();
}
RequirementsDataGrid.SelectedItems
.Add(reqs
.SkipWhile(x => x != firstSelected)
.Skip(1)
.FirstOrDefault(x => x.TCIDsValue.Contains(tc) && x.IsVisible));
if (RequirementsDataGrid.SelectedItem == null)
{
RequirementsDataGrid.SelectedItems.Add(firstSelected);
}
RequirementsDataGrid.ScrollIntoView(RequirementsDataGrid.SelectedItem);
}
else
{
RequirementsDataGrid.SelectedItems.Add(RequirementsDataGrid.Items.Cast <RequirementSingleView>().First(x => x.TCIDsValue.Contains(tc) && x.IsVisible));
RequirementsDataGrid.ScrollIntoView((RequirementSingleView)RequirementsDataGrid.SelectedItems[0]);
}
}
