CCControlPickerDelegate Protocol Reference
| Conforms to | NSObject |
| Declared in | CCControlPicker.h |
Overview
The delegate of a CCControlPicker object must adopt this protocol and implement at least some of its methods to provide the control picker with the data it needs to construct itself.
Typically the delegate implements optional methods to respond to new selections or deselections of component rows.
See CCControlPicker Class Reference for a discussion of components, rows, row content, and row selection.
Tasks
Setting the Dimensions of the Control Picker's row
-
– rowSizeForControlPicker:Called by the control picker when it needs the row size to use for drawing row content.
Responding to Row Selection
-
– controlPicker:didSelectRow:Called by the control picker when the user selects a row.
Instance Methods
controlPicker:didSelectRow:
Called by the control picker when the user selects a row.
- (void)controlPicker:(CCControlPicker *)controlPicker didSelectRow:(NSUInteger)rowParameters
- controlPicker
An object representing the control picker view requesting the data.
- row
A zero-indexed number identifying a row of component. Rows are numbered top-to-bottom.
Discussion
To determine what value the user selected, the delegate uses the row index to access the value at the corresponding position in the array used to construct the component.
Declared In
CCControlPicker.hrowSizeForControlPicker:
Called by the control picker when it needs the row size to use for drawing row content.
- (CGSize)rowSizeForControlPicker:(CCControlPicker *)controlPickerParameters
- controlPicker
The control picker requesting this information.
Return Value
A CGSize indicating the size of the row in points.
Declared In
CCControlPicker.h