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[ASTableView / ASCollectionView] Improve assertion messages if necessary data source methods are not implemented (#2269)

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* Improve assertion message if tableView:nodeBlockForRowAtIndexPath: or tableView:nodeForRowAtIndexPath: is not implemented

* Improve assertion message if collectionView:nodeForItemAtIndexPath: or collectionView:nodeBlockForItemAtIndexPath: is not implemented
This commit is contained in:
Michael Schneider
2016-09-22 13:35:04 -07:00
committed by GitHub
parent 8427083ddb
commit 9f1a387ba0
4 changed files with 30 additions and 4 deletions
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4
AsyncDisplayKit/ASTableView.mm
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@@ -306,8 +306,8 @@ static NSString * const kCellReuseIdentifier = @"_ASTableViewCell";
_asyncDataSourceFlags.asyncDataSourceTableViewCanMoveRowAtIndexPath = [_asyncDataSource respondsToSelector:@selector(tableView:canMoveRowAtIndexPath:)];
_asyncDataSourceFlags.asyncDataSourceTableViewMoveRowAtIndexPath = [_asyncDataSource respondsToSelector:@selector(tableView:moveRowAtIndexPath:toIndexPath:)];
// Data source must implement tableView:nodeBlockForRowAtIndexPath: or tableView:nodeForRowAtIndexPath:
ASDisplayNodeAssertTrue(_asyncDataSourceFlags.asyncDataSourceTableViewNodeBlockForRowAtIndexPath || _asyncDataSourceFlags.asyncDataSourceTableViewNodeForRowAtIndexPath);
ASDisplayNodeAssert(_asyncDataSourceFlags.asyncDataSourceTableViewNodeBlockForRowAtIndexPath
|| _asyncDataSourceFlags.asyncDataSourceTableViewNodeForRowAtIndexPath, @"Data source must implement tableView:nodeBlockForRowAtIndexPath: or tableView:nodeForRowAtIndexPath:");
}
super.dataSource = (id<UITableViewDataSource>)_proxyDataSource;