CAStepper

CAStepper

Class Description

Its functionality is similar with slider and supports fine tuning operation, including left and right part, stepper also is step-by-step, left part is plus, right part is minus.

Effect Picture

Base Class

CAControl

Attribute

Access modifier	Attribute name	Description
protected	Continuous	continuous trigger CAControlEventTouchValueChanged or not
protected	AutoRepeat	support long-press to change value or not
protected	Wraps	cycle between max and min value or not
protected	Value	current stepper value
protected	MinValue	min stepper value
protected	MaxValue	max stepper value
protected	StepValue	step-by-step value
public	BackgroundImage	stepper background
public	IncrementImage	added part’s background of right part
public	DecrementImage	reduced part’s backgournd of left part
public	DividerImage	divider of left and right part
public	TouchEffect	start touch effect or not

Method

Access modifier	Method name	Description
public	addTarget	callback event
public	removeTarget	remove callback event

Attribute Description

Continuous
Type: bool
Descripiton: continuous trigger CAControlEventTouchValueChanged event or not when long pressing stepper, if we set it as false, then only trigger CAControlEventTouchValueChanged event after long-press ends, true by default, get/set{}.

AutoRepeat
Type: bool
Descripiton: whether to support long-press event to auto add or reduce event, true by default, support long-press event, get/set{}.

Wraps
Type: bool
Descripiton: whether to cycle between max and min value, if we set it as true, then when the value reachs min point, it will start to reduce from max point if it continue to reduce, and vice versa, get/set{}.

Value
Type: double
Descripiton: stepper current value, get/set{}.

MinValue
Type: double
Descripiton: min stepper value, get/set{}.

MaxValue
Type: double
Descripiton: max stepper value, get/set{}.

StepValue
Type: double
Descripiton: stepper’s step-by-step value, namely the added or reduced value of each time, get/set{}.

BackgroundImage
Type: CAImage*
Descripiton: stepper background, get/set{}.

IncrementImage
Type: CAImage*
Descripiton: right part background, get/set{}.

DecrementImage
Type: CAImage*
Descripiton: left part background, get/set{}.

DividerImage
Type: CAImage*
Descripiton: separator, get/set{}.

TouchEffect
Type: bool
Descripiton: start touch effect or not, false by default, get/set{}.

Method Description

virtual void addTarget(CAObject target, SEL_CAControl selector)*
Return value: void
Parameter:

Type	Parameter name	Description
CAObject*	target	current object
SEL_CAControl	selector	function callback

Descripiton: add a callback event for stepper, obtain the change of value.

virtual void removeTarget (CAObject target, SEL_CAControl selector)*
Return value: void
Parameter:

Type	Parameter name	Description
CAObject*	target	current object
SEL_CAControl	selector	function callback

Descripiton: remove callback event of stepper.