private void WordListsGrid_OnSelectionChanged(object sender, DataGridSelectionChangedEventArgs e)
{
var vm = (WordListsViewModel)DataContext;
if (_selectMonitor.Busy)
{
return;
}
using (_selectMonitor.Enter())
{
if (WordListsGrid.SelectedCellRanges.Count == 1)
{
SelectionCellRange cellRange = WordListsGrid.SelectedCellRanges[0];
int itemIndex = cellRange.ItemRange.StartIndex;
var variety = (WordListsVarietyViewModel)WordListsGrid.Items[itemIndex];
int columnIndex = cellRange.ColumnRange.StartIndex;
vm.SelectedVarietyMeaning = variety.Meanings[columnIndex - 1];
}
else
{
vm.SelectedVarietyMeaning = null;
}
}
}
private void SegmentsDataGrid_OnSelectionChanged(object sender, DataGridSelectionChangedEventArgs e)
{
if (_selectMonitor.Busy)
{
return;
}
using (_selectMonitor.Enter())
{
var vm = (SegmentMappingsTableViewModel)DataContext;
if (SegmentsDataGrid.SelectedCellRanges.Count == 1)
{
SelectionCellRange cellRange = SegmentsDataGrid.SelectedCellRanges[0];
int itemIndex = cellRange.ItemRange.StartIndex;
var segment = (SegmentMappingsTableSegmentViewModel)SegmentsDataGrid.Items[itemIndex];
int columnIndex = cellRange.ColumnRange.StartIndex;
SegmentMappingsTableSegmentPairViewModel segmentPair = segment.SegmentPairs[columnIndex - 1];
vm.SelectedSegmentPair = segmentPair.IsEnabled ? segmentPair : null;
}
else
{
vm.SelectedSegmentPair = null;
}
}
}
private HashSet <int> GetIntersectedRangesForIndex(
DataGridContext dataGridContext,
int itemIndex,
int[] exportedVisiblePositions,
int correctedExportedVisiblePositionsCount)
{
HashSet <int> intersectedIndexes = null;
if (correctedExportedVisiblePositionsCount == 0)
{
return(intersectedIndexes);
}
SelectionItemRangeCollection selectedRanges = dataGridContext.SelectedItemRanges as SelectionItemRangeCollection;
if (selectedRanges.Contains(itemIndex))
{
intersectedIndexes = new HashSet <int>(exportedVisiblePositions);
}
else
{
intersectedIndexes = new HashSet <int>();
SelectionCellRange columnsRange = new SelectionCellRange(itemIndex,
exportedVisiblePositions[0],
itemIndex,
exportedVisiblePositions[correctedExportedVisiblePositionsCount - 1]);
List <SelectionRange> intersectedRanges =
dataGridContext.SelectedCellsStore.GetIntersectedColumnRanges(columnsRange);
foreach (SelectionRange range in intersectedRanges)
{
int startIndex = range.StartIndex;
int endIndex = range.EndIndex;
if (startIndex > endIndex)
{
startIndex = range.EndIndex;
endIndex = range.StartIndex;
}
for (int i = startIndex; i <= endIndex; i++)
{
if (!intersectedIndexes.Contains(i))
{
intersectedIndexes.Add(i);
}
}
}
}
return(intersectedIndexes);
}
public static void SelectItem(this DataGridContext gridContext, object item)
{
var gridControl = gridContext.DataGridControl;
if (gridControl.SelectionUnit == SelectionUnit.Row)
{
}
else
{
gridContext.SelectedCellRanges.Clear();
var index = gridContext.Items.IndexOf(item);
var columnCount = gridContext.VisibleColumns.Count;
var range = new SelectionCellRange(new SelectionRange(index), new SelectionRange(0, columnCount - 1));
gridContext.SelectedCellRanges.Add(range);
}
}
private void AlignmentGrid_OnSelectionChanged(object sender, DataGridSelectionChangedEventArgs e)
{
var vm = (MultipleWordAlignmentViewModel)DataContext;
if (e.SelectionInfos.Count == 1 && e.SelectionInfos[0].AddedCellRanges.Count == 1)
{
SelectionCellRange range = e.SelectionInfos[0].AddedCellRanges[0];
vm.SelectedColumn = range.ColumnRange.StartIndex - 2;
vm.SelectedWord = (MultipleWordAlignmentWordViewModel)AlignmentGrid.Items[range.ItemRange.StartIndex];
}
else
{
vm.SelectedColumn = -1;
vm.SelectedWord = null;
AlignmentGrid.CurrentItem = null;
}
}
private HashSet<int> GetIntersectedRangesForIndex( DataGridContext dataGridContext, int itemIndex, int[] exportedVisiblePositions, int correctedExportedVisiblePositionsCount )
{
HashSet<int> intersectedIndexes = null;
if( correctedExportedVisiblePositionsCount == 0 )
return intersectedIndexes;
SelectionItemRangeCollection selectedRanges = dataGridContext.SelectedItemRanges as SelectionItemRangeCollection;
if( selectedRanges.Contains( itemIndex ) )
{
intersectedIndexes = new HashSet<int>( exportedVisiblePositions );
}
else
{
intersectedIndexes = new HashSet<int>();
SelectionCellRange columnsRange = new SelectionCellRange( itemIndex, exportedVisiblePositions[ 0 ], itemIndex,
exportedVisiblePositions[ correctedExportedVisiblePositionsCount - 1 ] );
IEnumerable<SelectionRange> intersectedRanges = dataGridContext.SelectedCellsStore.GetIntersectedColumnRanges( columnsRange );
foreach( SelectionRange range in intersectedRanges )
{
int startIndex = range.StartIndex;
int endIndex = range.EndIndex;
if( startIndex > endIndex )
{
startIndex = range.EndIndex;
endIndex = range.StartIndex;
}
for( int i = startIndex; i <= endIndex; i++ )
{
if( !intersectedIndexes.Contains( i ) )
{
intersectedIndexes.Add( i );
}
}
}
}
return intersectedIndexes;
}
