public static void RestoreSorting(DataGridSortDescription sortDescription, DataGrid grid)
{
if (sortDescription.SortDescription != null && sortDescription.SortDescription.Count == 0)
{
if (PluginSettings.Instance.EnableAutomaticSorting)
{
if (PluginSettings.Instance.SortOnColumnIndex >= 0 && PluginSettings.Instance.SortOnColumnIndex < grid.Columns.Count)
{
SortDescription sd = new SortDescription(grid.Columns[PluginSettings.Instance.SortOnColumnIndex].SortMemberPath, PluginSettings.Instance.SortDirection == 0 ? ListSortDirection.Ascending : ListSortDirection.Descending);
sortDescription.SortDescription.Add(sd);
}
}
}
//restore the column sort order
if (sortDescription.SortDescription != null && sortDescription.SortDescription.Count > 0)
{
ICollectionView view = CollectionViewSource.GetDefaultView(grid.ItemsSource);
view = CollectionViewSource.GetDefaultView(grid.ItemsSource);
sortDescription.SortDescription.ToList().ForEach(x => view.SortDescriptions.Add(x));
view.Refresh();
}
//restore the sort directions. Arrows are nice :)
foreach (DataGridColumn c in grid.Columns)
{
if (sortDescription.SortDirection.ContainsKey(c))
{
c.SortDirection = sortDescription.SortDirection[c];
}
}
}
private void UpdateListFilter(bool preserveSort)
{
if (_orgSourceList != null)
{
DataGridSortDescription sort = null;
if (preserveSort) sort = DataGridUtil.SaveSorting(cacheList);
if (string.IsNullOrEmpty(_filterOnText))
{
cacheList.ItemsSource = _orgSourceList;
}
else
{
string s = _filterOnText.ToLower();
cacheList.ItemsSource = (from a in _orgSourceList
where (a.City!=null && a.City.ToLower().IndexOf(s, StringComparison.OrdinalIgnoreCase) >= 0) ||
(a.Name!=null && a.Name.ToLower().IndexOf(s, StringComparison.OrdinalIgnoreCase) >= 0) ||
(a.Country!=null && a.Country.ToLower().IndexOf(s, StringComparison.OrdinalIgnoreCase) >= 0) ||
(a.State != null && a.State.ToLower().IndexOf(s, StringComparison.OrdinalIgnoreCase) >= 0) ||
(a.Municipality != null && a.Municipality.ToLower().IndexOf(s, StringComparison.OrdinalIgnoreCase) >= 0) ||
(a.Owner != null && a.Owner.ToLower().IndexOf(s, StringComparison.OrdinalIgnoreCase) >= 0) ||
a.Code.ToLower().IndexOf(s, StringComparison.OrdinalIgnoreCase) >= 0
select a).ToList();
}
if (preserveSort) DataGridUtil.RestoreSorting(sort, cacheList);
}
}
public static DataGridSortDescription SaveSorting(DataGrid grid)
{
DataGridSortDescription sortDescription = new DataGridSortDescription();
//Save the current sort order of the columns
ICollectionView view = CollectionViewSource.GetDefaultView(grid.ItemsSource);
SortDescriptionCollection sortDescriptions = new SortDescriptionCollection();
if (view != null)
{
view.SortDescriptions.ToList().ForEach(sd => sortDescriptions.Add(sd));
}
sortDescription.SortDescription = sortDescriptions;
//save the sort directions (these define the little arrow on the column header...)
IDictionary<DataGridColumn, ListSortDirection?> sortDirections = new Dictionary<DataGridColumn, ListSortDirection?>();
foreach (DataGridColumn c in grid.Columns)
{
sortDirections.Add(c, c.SortDirection);
}
sortDescription.SortDirection = sortDirections;
return sortDescription;
}
public void UpdateDataGrid(IEnumerable<Framework.Data.Geocache> list)
{
_orgSourceList = list;
//using (var d = Dispatcher.DisableProcessing())
//if (!_ignoreUpdate)
{
DataGridSortDescription sort = DataGridUtil.SaveSorting(cacheList);
cacheList.ItemsSource = null;
if (string.IsNullOrEmpty(_filterOnText))
{
cacheList.ItemsSource = list;
}
else
{
UpdateListFilter(false);
}
if (PluginSettings.Instance.EnableAutomaticSorting)
{
DataGridUtil.RestoreSorting(sort, cacheList);
}
}
_ignoreUpdate = false;
}
