VPPDropDownDelegate Protocol Reference
| Conforms to | NSObject |
| Declared in | VPPDropDownDelegate.h |
Overview
This protocol defines a set of methods to notify the delegate when:
- any dropdown child has been selected.
- dropdown needs delegate cell customization.
- dropdown needs row’s height.
Tasks
-
– dropDown:elementSelected:atGlobalIndexPath:This method is called when any dropdown child is selected. This method is mandatory.
required method -
– dropDown:rootCellAtGlobalIndexPath:This method is called when the dropdown needs the root cell.
-
– dropDown:cellForElement:atGlobalIndexPath:This method is called when the dropdown needs an element cell.
-
– dropDown:heightForElement:atIndexPath:This method is called when the dropdown is asked about the row’s height.
Instance Methods
dropDown:cellForElement:atGlobalIndexPath:
This method is called when the dropdown needs an element cell.
- (UITableViewCell *)dropDown:(VPPDropDown *)dropDown cellForElement:(VPPDropDownElement *)element atGlobalIndexPath:(NSIndexPath *)globalIndexPathParameters
- dropDown
the involved dropdown.
- element
the involved element.
- globalIndexPath
the tableView’s involved indexPath.
Return Value
the customized cell. You can return nil if you don’t want to
customize it. In that case, the dropdown will automatically do it for you.
Declared In
VPPDropDownDelegate.hdropDown:elementSelected:atGlobalIndexPath:
This method is called when any dropdown child is selected. This method is mandatory.
- (void)dropDown:(VPPDropDown *)dropDown elementSelected:(VPPDropDownElement *)element atGlobalIndexPath:(NSIndexPath *)globalIndexPathParameters
- dropDown
the involved dropdown.
- element
the involved element.
- globalIndexPath
the tableView’s selected indexPath.
Declared In
VPPDropDownDelegate.hdropDown:heightForElement:atIndexPath:
This method is called when the dropdown is asked about the row’s height.
- (CGFloat)dropDown:(VPPDropDown *)dropDown heightForElement:(VPPDropDownElement *)element atIndexPath:(NSIndexPath *)indexPathParameters
- dropDown
the involved dropdown.
- element
the involved element.
- indexPath
the tableView’s involved indexPath.
Return Value
the row’s height.
If you do not implement this method, dropDown tableView’s rowHeight property
will be returned instead.
Declared In
VPPDropDownDelegate.hdropDown:rootCellAtGlobalIndexPath:
This method is called when the dropdown needs the root cell.
- (UITableViewCell *)dropDown:(VPPDropDown *)dropDown rootCellAtGlobalIndexPath:(NSIndexPath *)globalIndexPathParameters
- dropDown
the involved dropdown.
- globalIndexPath
the tableView’s involved indexPath.
Return Value
the customized cell. You can return nil if you don’t want to
customize it. In that case, the dropdown will automatically do it for you.
Declared In
VPPDropDownDelegate.h