Add validation block#9
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October 18, 2014 11:01
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… validation block.
…k and if it fails don't continue with the button's action.
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Pretty cool feature |
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One of the common use-cases I think many could use the SCLAlertView for is a sign-up, login, or similar process. Such processes involve some sort of validation, and it would be nice to be able to validate the fields before the alert is dismissed, like if a required field was left blank, and prevent the alert from being dismissed in this case. This pull request adds a new version of the addButton method that accepts a validation block. If this block returns YES, the actionBlock is executed and the alert is dismissed. If it returns NO the actionBlock is not executed and the alert is not dismissed. Any handling of the failed validation case can be done by the developers inside the validation block prior to passing NO.