Class BarLineChartTouchListener

TouchListener for Bar-, Line-, Scatter- and CandleStickChart with handles all touch interaction. Longpress === Zoom out. Double-Tap === Zoom in.

Hierarchy (View Summary)

ChartTouchListener<BarLineChartBase<any, any, any>>
- BarLineChartTouchListener

Constructors

constructor

new BarLineChartTouchListener(
    chart: BarLineChartBase<any, any, any>,
    touchMatrix: Matrix,
    dragTriggerDistance: any,
): BarLineChartTouchListener
Parameters
- chart: BarLineChartBase<any, any, any>
- touchMatrix: Matrix
- dragTriggerDistance: any
Returns BarLineChartTouchListener
Overrides ChartTouchListener.constructor
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:40

Properties

`Readonly`chart

chart: BarLineChartBase<any, any, any>

the chart the listener represents

DOUBLE_TAP_HANDLER_TAG

DOUBLE_TAP_HANDLER_TAG: any

doubleTapGestureHandler

doubleTapGestureHandler: TapGestureHandler

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

PAN_HANDLER_TAG

PAN_HANDLER_TAG: any

panGestureHandler

panGestureHandler: PanGestureHandler

PINCH_HANDLER_TAG

PINCH_HANDLER_TAG: any

pinchGestureHandler

pinchGestureHandler: PinchGestureHandler

TAP_HANDLER_TAG

TAP_HANDLER_TAG: any

Constructor with initialization parameters.

Param: chart

instance of the chart

Param: touchMatrix

the touch-matrix of the chart

Param: dragTriggerDistance

the minimum movement distance that will be interpreted as a "drag" gesture in dp (3dp equals to about 9 pixels on a 5.5" FHD screen)

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

dispose

dispose(): void
Returns void
Overrides ChartTouchListener.dispose
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:109

getDoubleTapGestureOptions

getDoubleTapGestureOptions(): {
    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/BarLineChartTouchListener.d.ts:86

getMatrix

getMatrix(): Matrix
returns the matrix object the listener holds

Returns Matrix
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:183

getOrCreateDoubleTapGestureHandler

getOrCreateDoubleTapGestureHandler(): TapGestureHandler
Returns TapGestureHandler
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:101

getOrCreatePanGestureHandler

getOrCreatePanGestureHandler(): PanGestureHandler
Returns PanGestureHandler
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:104

getOrCreatePinchGestureHandler

getOrCreatePinchGestureHandler(): PinchGestureHandler
Returns PinchGestureHandler
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:103

getOrCreateTapGestureHandler

getOrCreateTapGestureHandler(): TapGestureHandler
Returns TapGestureHandler
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:102

getPanGestureOptions

getPanGestureOptions(): {
    activeOffsetXEnd?: number;
    activeOffsetXStart?: number;
    activeOffsetYEnd?: number;
    activeOffsetYStart?: number;
    enabled?: boolean;
    failOffsetXEnd?: number;
    failOffsetXStart?: number;
    failOffsetYEnd?: number;
    failOffsetYStart?: number;
    gestureTag: any;
    minDist?: number;
    nativeGetterKey?: string;
    shouldCancelWhenOutside?: boolean;
    simultaneousHandlers?: number[];
    waitFor?: number[];
}
Returns {
    activeOffsetXEnd?: number;
    activeOffsetXStart?: number;
    activeOffsetYEnd?: number;
    activeOffsetYStart?: number;
    enabled?: boolean;
    failOffsetXEnd?: number;
    failOffsetXStart?: number;
    failOffsetYEnd?: number;
    failOffsetYStart?: number;
    gestureTag: any;
    minDist?: number;
    nativeGetterKey?: string;
    shouldCancelWhenOutside?: boolean;
    simultaneousHandlers?: number[];
    waitFor?: number[];
}
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:45

getPinchGestureOptions

getPinchGestureOptions(): {
    enabled?: boolean;
    gestureTag: any;
    minSpan?: number;
    nativeGetterKey?: string;
    shouldCancelWhenOutside?: boolean;
    simultaneousHandlers?: number[];
    waitFor?: number[];
}
Returns {
    enabled?: boolean;
    gestureTag: any;
    minSpan?: number;
    nativeGetterKey?: string;
    shouldCancelWhenOutside?: boolean;
    simultaneousHandlers?: number[];
    waitFor?: number[];
}
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:62

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/BarLineChartTouchListener.d.ts:71

getTrans

getTrans(x: any, y: any): { x: number; y: number }
Returns a recyclable MPPointF instance. 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/BarLineChartTouchListener.d.ts:168

init

init(): void
Returns void
Overrides ChartTouchListener.init
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:110

onDoubleTapGesture

onDoubleTapGesture(event: GestureStateEventData): void
Parameters
- event: GestureStateEventData
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:184

onPanGestureState

onPanGestureState(event: GestureStateEventData): void
Parameters
- event: GestureStateEventData
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:111

onPanGestureTouch

onPanGestureTouch(event: GestureTouchEventData): void
Parameters
- event: GestureTouchEventData
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:112

onPinchGestureState

onPinchGestureState(event: GestureStateEventData): void
Parameters
- event: GestureStateEventData
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:113

onPinchGestureTouch

onPinchGestureTouch(event: GestureTouchEventData): void
Parameters
- event: GestureTouchEventData
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:114

onTapGesture

onTapGesture(event: GestureStateEventData): void
Parameters
- event: GestureStateEventData
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:185

`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

setDoubleTap

setDoubleTap(enabled: boolean): void
Parameters
- enabled: boolean
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:105

setPan

setPan(enabled: boolean): void
Parameters
- enabled: boolean
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:108

setPinch

setPinch(enabled: boolean): void
Parameters
- enabled: boolean
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:107

setTap

setTap(enabled: boolean): void
Parameters
- enabled: boolean
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:106

stopDeceleration

stopDeceleration(): void
Returns void
- Defined in packages/ui-chart/listener/BarLineChartTouchListener.d.ts:186

`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 BarLineChartTouchListener

Hierarchy (View Summary)

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Parameters

Returns BarLineChartTouchListener

Properties

Readonlychart

DOUBLE_TAP_HANDLER_TAG

doubleTapGestureHandler

lastHighlighted

ProtectedmLastGesture

ProtectedmTouchMode

PAN_HANDLER_TAG

panGestureHandler

PINCH_HANDLER_TAG

pinchGestureHandler

TAP_HANDLER_TAG

Param: chart

Param: touchMatrix

Param: dragTriggerDistance

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

dispose

Returns void

getDoubleTapGestureOptions

getMatrix

Returns Matrix

getOrCreateDoubleTapGestureHandler

Returns TapGestureHandler

getOrCreatePanGestureHandler

Returns PanGestureHandler

getOrCreatePinchGestureHandler

Returns PinchGestureHandler

getOrCreateTapGestureHandler

Returns TapGestureHandler

getPanGestureOptions

getPinchGestureOptions

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

getTapGestureOptions

getTrans

Parameters

Returns { x: number; y: number }

init

Returns void

onDoubleTapGesture

Parameters

Returns void

onPanGestureState

Parameters

Returns void

onPanGestureTouch

Parameters

Returns void

onPinchGestureState

Parameters

Returns void

onPinchGestureTouch

Parameters

Returns void

onTapGesture

Parameters

Returns void

`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;
minSpan?: number;
nativeGetterKey?: string;
shouldCancelWhenOutside?: boolean;
simultaneousHandlers?: number[];
waitFor?: number[];
}

`Protected`performHighlight

`Protected` `Static`distance