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recents_category_drag_drop

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fix some crashes
This commit is contained in:
yannick
2015-12-11 16:20:26 +01:00
parent 26fe1ba0ba
commit 3ed9696716
3 changed files with 45 additions and 12 deletions
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Vector/ViewController/RecentsViewController.m
+31 -6
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@@ -223,6 +223,12 @@
- (void)dataSource:(MXKDataSource *)dataSource didCellChange:(id)changes
{
// do not refresh if there is a pending recent drag and drop
if (movingCellPath)
{
return;
}
if ([dataSource isKindOfClass:[RecentsDataSource class]])
{
RecentsDataSource* recentsDataSource = (RecentsDataSource*)dataSource;
@@ -467,7 +473,6 @@ static NSMutableDictionary* backgroundByImageNameDict;
#pragma mark - recents drag & drop management
- (void)onRecentsDragEnd
{
[cellSnapshot removeFromSuperview];
@@ -608,14 +613,34 @@ static NSMutableDictionary* backgroundByImageNameDict;
NSIndexPath *indexPath = [self.recentsTableView indexPathForRowAtPoint:location];
if (![indexPath isEqual:lastPotentialCellPath])
{
[self.recentsTableView beginUpdates];
[self.recentsTableView moveRowAtIndexPath:lastPotentialCellPath toIndexPath:indexPath];
if ([recentsDataSource canCellMoveFrom:movingCellPath to:indexPath])
{
[self.recentsTableView beginUpdates];
if (recentsDataSource.movingCellIndexPath)
{
[self.recentsTableView moveRowAtIndexPath:lastPotentialCellPath toIndexPath:indexPath];
}
else if (indexPath)
{
[self.recentsTableView insertRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
}
recentsDataSource.movingCellIndexPath = indexPath;
[self.recentsTableView endUpdates];
}
// the cell cannot be moved
else if (recentsDataSource.movingCellIndexPath)
{
NSIndexPath* pathToDelete = recentsDataSource.movingCellIndexPath;
// remove it
[self.recentsTableView beginUpdates];
[self.recentsTableView deleteRowsAtIndexPaths:@[pathToDelete] withRowAnimation:UITableViewRowAnimationNone];
recentsDataSource.movingCellIndexPath = nil;
[self.recentsTableView endUpdates];
}
lastPotentialCellPath = indexPath;
recentsDataSource.movingCellIndexPath = indexPath;
[self.recentsTableView endUpdates];
}
break;