spreadsheetView:performAction:forItemAtIndexPath:withSender:.spreadsheetView:canPerformAction:forItemAtIndexPath:withSender:.spreadsheetView:shouldShowMenuForItemAtIndexPath:.All three should be implemented if any are. CollectionView pass-through methods: The following methods provide support for copy/paste actions on cells.The additions of indexPath.mmSpreadsheetRow and indexPath.mmSpreadsheetColumn represent their respective elements. NSIndexPath convenience category: The library includes a convenience category for NSIndexPath to reduce confusion.However, a small grid (50x50) of (20x20) cells basically doesn't scroll. A large grid (1000x1000) takes a long time to initialize, but if the cell sizes are large enough (150x150) or greater, scrolling performance is not affected. Performance: As the number of cells shown increases, scrolling performance declines.Add the spreadsheet view as a subview. Set the delegate & datasource spreadsheet view. MMSpreadsheetView *spreadSheetView = initWithNumberOfHeaderRows: 1 numberOfHeaderColumns: 1 frame: ]
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