Add a possibility to disable/enable swipe actions of the cell

[ghost]

I have a business logic in the app where I should enable/disable swipe actions for one particular cell.
Initially I implement it by adding and removing buttons to the cell itself. But there was one issue with this solution. When user make pan gesture on the scroll view of the cell without buttons it changes content offset of a scrollview on every deceleration event and user see nothing. If table reload all cells in time when cell still have decelerating scroll view and still receiving deceleration events and such cell received some new buttons then correction logic implemented in deceleration event delegate method not work any more. Scroll view changes it's offset on next deceleration event and user see "randomly" cell that swiping by itself.

I think that it could always good to have a switch to enable/disable swipe actions without a side effects.

[bishalg]

is this related to #87

[ghost]

No, this is about reuse logic and life cycle of the UITableViewCell. Imagine that cell behaviour on the swipe is based on one boolean property. In the method - (BOOL)swipeableTableViewCell:(SWTableViewCell *)cell canSwipeToState:(SWCellState)state{ cell checks this property to determinate if it should do swipe.
In the lifecycle we have two major points there - before and after reuse. Implementation of this method (canSwipeToState) is based on UIScrollViewDelegate method call. It is called each time scroll view makes decision to scroll.
Think about particular instance of the cell now. User try to swipe this cell. it's boolean property was set to NO and on each deceleration event it call the delegate method and correct offset of the UIScorllView. Imagine the cell was reused. Right after reuse property of this cell was set to YES, but the deceleration still effects on the scroll view. The cell calls it's delegate method and now it return YES, it could scroll. Please point attention that cell now represent different amount of data. So user see that randomly cells swipes out right after appearing on the screen.