Created
July 10, 2013 15:17
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Stack subviews vertically ordered by their index. Good when u want to use XIB's and need to layout views (show/hide) based on external data, but cannot use autolayout.
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| #import <UIKit/UIKit.h> | |
| @interface UIView (Stacker) | |
| - (void)stackSubviews; | |
| @end |
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| #import "UIView+Stacker.h" | |
| @implementation UIView (Stacker) | |
| - (void)stackSubviews { | |
| // Init Y position of the first visible subview contained inside the StackerView | |
| float _y = 0; | |
| for (UIView *subview in self.subviews) { | |
| // Start by adjusting the Y position of the current subview | |
| subview.y = _y; | |
| // If the subview is visible, then add height to the global Y position, which is | |
| // used to set the Y position of the next subview in the iteration | |
| if (!subview.hidden) { | |
| // If the subview is a TableView, we use the contentsize instead of the frames height | |
| if ([subview isMemberOfClass:[UITableView class]]) { | |
| UITableView *tview = (UITableView *)subview; | |
| _y += tview.contentSize.height; | |
| } else { | |
| _y += subview.frame.size.height; | |
| } | |
| // Increase the height of acctual StackerView with each visible sub-view | |
| self.height = _y; | |
| } | |
| } | |
| } | |
| @end |
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