public void Add(SelectionCellRangeWithItems rangeWithItems)
{
Debug.Assert(m_unsortedRanges.All(r => r.Value.CellRange.Intersect(rangeWithItems.CellRange).IsEmpty), "Part of this range is already selected");
var itemRangeWithItems = rangeWithItems.ItemRangeWithItems;
SelectedItemsStorage.UpdateSelectionRangeWithItemsFromAdd(m_dataGridContext, itemRangeWithItems, ref itemRangeWithItems);
var newRangeWithItems = new SelectionCellRangeWithItems(itemRangeWithItems.Range, itemRangeWithItems.Items, rangeWithItems.ColumnRange);
this.Insert(this.Count, newRangeWithItems, true);
}
public object Clone()
{
var copy = new SelectedItemsStorage(m_dataGridContext);
for (int i = 0; i < m_unsortedRanges.Count; i++)
{
copy.Insert(i, m_unsortedRanges[i].Value, false);
}
copy.m_itemsCount = m_itemsCount;
return(copy);
}
internal SelectionInfo(
DataGridContext dataGridContext,
SelectedItemsStorage removedItems,
SelectedItemsStorage addedItems,
SelectedCellsStorage removedCells,
SelectedCellsStorage addedCells)
{
this.DataGridContext = dataGridContext;
this.AddedItems = new ReadOnlyCollection <object>(new SelectionItemCollection(addedItems));
this.RemovedItems = new ReadOnlyCollection <object>(new SelectionItemCollection(removedItems));
this.AddedItemRanges = new ReadOnlyCollection <SelectionRange>(new SelectionItemRangeCollection(addedItems));
this.RemovedItemRanges = new ReadOnlyCollection <SelectionRange>(new SelectionItemRangeCollection(removedItems));
this.AddedCellRanges = new ReadOnlyCollection <SelectionCellRange>(new SelectionCellRangeCollection(addedCells));
this.RemovedCellRanges = new ReadOnlyCollection <SelectionCellRange>(new SelectionCellRangeCollection(removedCells));
}
public void Add(SelectionRangeWithItems rangeWithItems)
{
Debug.Assert(!this.Contains(rangeWithItems.Range));
m_itemsCount += rangeWithItems.Length;
if (this.Count > 0)
{
var lastIndex = this.Count - 1;
var lastRangeWithItems = this[lastIndex];
var lastRange = lastRangeWithItems.Range;
if ((lastRange.EndIndex + 1) == rangeWithItems.Range.StartIndex)
{
Debug.Assert(rangeWithItems.Range.EndIndex > lastRange.EndIndex);
SelectedItemsStorage.UpdateSelectionRangeWithItemsFromAdd(m_dataGridContext, rangeWithItems, ref lastRangeWithItems);
this[lastIndex] = lastRangeWithItems;
return;
}
else if ((lastRange.EndIndex - 1) == rangeWithItems.Range.StartIndex)
{
Debug.Assert(rangeWithItems.Range.EndIndex < lastRange.EndIndex);
SelectedItemsStorage.UpdateSelectionRangeWithItemsFromAdd(m_dataGridContext, rangeWithItems, ref lastRangeWithItems);
this[lastIndex] = lastRangeWithItems;
return;
}
}
SelectedItemsStorage.UpdateSelectionRangeWithItemsFromAdd(m_dataGridContext, rangeWithItems, ref rangeWithItems);
this.Insert(this.Count, rangeWithItems, true);
}
public void Visit(DataGridContext sourceContext, ref bool stopVisit)
{
object[] items;
CollectionView itemsCollection = sourceContext.Items;
int count = itemsCollection.Count;
if (count == 0)
{
return;
}
if (sourceContext.ItemsSourceCollection is DataGridVirtualizingCollectionViewBase)
{
items = null;
}
else
{
items = new object[count];
for (int i = 0; i < count; i++)
{
items[i] = itemsCollection.GetItemAt(i);
}
}
SelectionRange itemRange = new SelectionRange(0, count - 1);
if (sourceContext.DataGridControl.SelectionUnit == SelectionUnit.Row)
{
sourceContext.DataGridControl.SelectionChangerManager.SelectItems(
sourceContext,
new SelectionRangeWithItems(itemRange, items));
}
else
{
HashedLinkedList <ColumnBase> columnsByVisiblePosition = sourceContext.ColumnsByVisiblePosition;
SelectedItemsStorage selectedColumnStore = new SelectedItemsStorage(null);
SelectionRange fullColumnRange = new SelectionRange(0, columnsByVisiblePosition.Count - 1);
selectedColumnStore.Add(new SelectionRangeWithItems(fullColumnRange, null));
int index = 0;
foreach (ColumnBase column in columnsByVisiblePosition)
{
if (!column.Visible)
{
selectedColumnStore.Remove(new SelectionRangeWithItems(new SelectionRange(index), null));
}
index++;
}
int columnRangeCount = selectedColumnStore.Count;
for (int i = 0; i < columnRangeCount; i++)
{
sourceContext.DataGridControl.SelectionChangerManager.SelectCells(
sourceContext,
new SelectionCellRangeWithItems(itemRange, items, selectedColumnStore[i].Range));
}
}
}
public SelectionItemCollection(SelectedItemsStorage list)
{
m_list = list;
}
