Class PieRadarChartTouchListener

TouchListener for Pie- and RadarChart with handles all touch interaction.

Hierarchy (View Summary)

ChartTouchListener<PieRadarChartBase<any, any, any>>
- PieRadarChartTouchListener

Constructors

constructor

new PieRadarChartTouchListener(
chart: PieRadarChartBase<any, any, any>,
): PieRadarChartTouchListener
Parameters
- chart: PieRadarChartBase<any, any, any>
Returns PieRadarChartTouchListener
Overrides ChartTouchListener.constructor
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:27

Properties

`Readonly`chart

chart: PieRadarChartBase<any, any, any>

the chart the listener represents

lastHighlighted

lastHighlighted: Highlight<Entry>

the last highlighted object (via touch)

`Protected`mLastGesture

mLastGesture: ChartGesture

the last touch gesture that has been performed

`Protected`mTouchMode

mTouchMode: number

integer field that holds the current touch-state

ROTATION_HANDLER_TAG

ROTATION_HANDLER_TAG: any

rotationGestureHandler

rotationGestureHandler: RotationGestureHandler

TAP_HANDLER_TAG

TAP_HANDLER_TAG: any

Constructor with initialization parameters.

Param: chart

instance of the chart

tapGestureHandler

tapGestureHandler: TapGestureHandler

`Protected` `Static`DRAG

DRAG: number

`Protected` `Static`NONE

NONE: number

`Protected` `Static`PINCH_ZOOM

PINCH_ZOOM: number

`Protected` `Static`POST_ZOOM

POST_ZOOM: number

`Protected` `Static`ROTATE

ROTATE: number

`Protected` `Static`X_ZOOM

X_ZOOM: number

`Protected` `Static`Y_ZOOM

Y_ZOOM: number

Accessors

lastGesture

get lastGesture(): ChartGesture
Returns the last gesture that has been performed on the chart.

Returns ChartGesture
Inherited from ChartTouchListener.lastGesture
- Defined in packages/ui-chart/listener/ChartTouchListener.d.ts:52

touchMode

get touchMode(): number
returns the touch mode the listener is currently in

Returns number
Inherited from ChartTouchListener.touchMode
- Defined in packages/ui-chart/listener/ChartTouchListener.d.ts:48

Methods

computeScroll

computeScroll(): void
Returns void
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:99

dispose

dispose(): void
Returns void
Overrides ChartTouchListener.dispose
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:55

getOrCreateRotationGestureHandler

getOrCreateRotationGestureHandler(): RotationGestureHandler
Returns RotationGestureHandler
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:51

getOrCreateTapGestureHandler

getOrCreateTapGestureHandler(): TapGestureHandler
Returns TapGestureHandler
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:52

getRotationGestureOptions

getRotationGestureOptions(): {
    enabled?: boolean;
    gestureTag: any;
    nativeGetterKey?: string;
    shouldCancelWhenOutside?: boolean;
    simultaneousHandlers?: number[];
    waitFor?: number[];
}
Returns {
    enabled?: boolean;
    gestureTag: any;
    nativeGetterKey?: string;
    shouldCancelWhenOutside?: boolean;
    simultaneousHandlers?: number[];
    waitFor?: number[];
}
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:43

getTapGestureOptions

getTapGestureOptions(): {
    enabled?: boolean;
    gestureTag: any;
    maxDelayMs?: number;
    maxDeltaX?: number;
    maxDeltaY?: number;
    maxDist?: number;
    maxDurationMs?: number;
    minPointers?: number;
    nativeGetterKey?: string;
    numberOfTaps?: number;
    shouldCancelWhenOutside?: boolean;
    simultaneousHandlers?: number[];
    waitFor?: number[];
}
Returns {
    enabled?: boolean;
    gestureTag: any;
    maxDelayMs?: number;
    maxDeltaX?: number;
    maxDeltaY?: number;
    maxDist?: number;
    maxDurationMs?: number;
    minPointers?: number;
    nativeGetterKey?: string;
    numberOfTaps?: number;
    shouldCancelWhenOutside?: boolean;
    simultaneousHandlers?: number[];
    waitFor?: number[];
}
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:28

getTrans

getTrans(x: any, y: any): { x: number; y: number }
Returns the correct translation depending on the provided x and y touch points
Parameters
- x: any
- y: any
Returns { x: number; y: number }
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:65

init

init(): void
Returns void
Overrides ChartTouchListener.init
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:56

onRotationGesture

onRotationGesture(event: GestureStateEventData): void
GESTURE RECOGNITION BELOW
Parameters
- event: GestureStateEventData
Returns void
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:89

onRotationGestureTouch

onRotationGestureTouch(event: GestureTouchEventData): void
Parameters
- event: GestureTouchEventData
Returns void
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:90

onTapGesture

onTapGesture(event: GestureStateEventData): void
Parameters
- event: GestureStateEventData
Returns void
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:91

`Protected`performHighlight

performHighlight(h: Highlight<Entry>): void
Perform a highlight operation.
Parameters
- h: Highlight<Entry>
Returns void
Inherited from ChartTouchListener.performHighlight
- Defined in packages/ui-chart/listener/ChartTouchListener.d.ts:58

setGestureStartAngle

setGestureStartAngle(x: any, y: any): void
sets the starting angle of the rotation, this is only used by the touch listener, x and y is the touch position
Parameters
- x: any
- y: any
Returns void
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:76

setRotation

setRotation(enabled: boolean): void
Parameters
- enabled: boolean
Returns void
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:53

setTap

setTap(enabled: boolean): void
Parameters
- enabled: boolean
Returns void
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:54

stopDeceleration

stopDeceleration(): void
Sets the deceleration-angular-velocity to 0f

Returns void
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:98

updateGestureRotation

updateGestureRotation(x: any, y: any): void
updates the view rotation depending on the given touch position, also takes the starting angle into consideration
Parameters
- x: any
- y: any
Returns void
- Defined in packages/ui-chart/listener/PieRadarChartTouchListener.d.ts:84

`Protected` `Static`distance

distance(eventX: any, startX: any, eventY: any, startY: any): number
returns the distance between two points
Parameters
- eventX: any
- startX: any
- eventY: any
- startY: any
Returns number
Inherited from ChartTouchListener.distance
- Defined in packages/ui-chart/listener/ChartTouchListener.d.ts:68

Class PieRadarChartTouchListener

Hierarchy (View Summary)

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Parameters

Returns PieRadarChartTouchListener

Properties

Readonlychart

lastHighlighted

ProtectedmLastGesture

ProtectedmTouchMode

ROTATION_HANDLER_TAG

rotationGestureHandler

TAP_HANDLER_TAG

Param: chart

tapGestureHandler

Protected StaticDRAG

Protected StaticNONE

Protected StaticPINCH_ZOOM

Protected StaticPOST_ZOOM

Protected StaticROTATE

Protected StaticX_ZOOM

Protected StaticY_ZOOM

Accessors

lastGesture

Returns ChartGesture

touchMode

Returns number

Methods

computeScroll

Returns void

dispose

Returns void

getOrCreateRotationGestureHandler

Returns RotationGestureHandler

getOrCreateTapGestureHandler

Returns TapGestureHandler

getRotationGestureOptions

Returns { enabled?: boolean; gestureTag: any; nativeGetterKey?: string; shouldCancelWhenOutside?: boolean; simultaneousHandlers?: number[]; waitFor?: number[];}

getTapGestureOptions

getTrans

Parameters

Returns { x: number; y: number }

init

Returns void

onRotationGesture

Parameters

Returns void

onRotationGestureTouch

Parameters

Returns void

onTapGesture

Parameters

Returns void

ProtectedperformHighlight

Parameters

Returns void

setGestureStartAngle

Parameters

Returns void

setRotation

Parameters

Returns void

setTap

Parameters

Returns void

stopDeceleration

Returns void

updateGestureRotation

Parameters

Returns void

Protected Staticdistance

Parameters

Returns number

Settings

`Readonly`chart

`Protected`mLastGesture

`Protected`mTouchMode

`Protected` `Static`DRAG

`Protected` `Static`NONE

`Protected` `Static`PINCH_ZOOM

`Protected` `Static`POST_ZOOM

`Protected` `Static`ROTATE

`Protected` `Static`X_ZOOM

`Protected` `Static`Y_ZOOM

Returns {
enabled?: boolean;
gestureTag: any;
nativeGetterKey?: string;
shouldCancelWhenOutside?: boolean;
simultaneousHandlers?: number[];
waitFor?: number[];
}

`Protected`performHighlight

`Protected` `Static`distance