Class ChartTouchListener<T>`Abstract`

Created by philipp on 12/06/15.

Type Parameters

T extends Chart<any, any, any>

Hierarchy (View Summary)

ChartTouchListener
- BarLineChartTouchListener
- PieRadarChartTouchListener

Index

Constructors

Properties

chart lastHighlighted mLastGesture mTouchMode DRAG NONE PINCH_ZOOM POST_ZOOM ROTATE X_ZOOM Y_ZOOM

Accessors

lastGesture touchMode

Methods

dispose init performHighlight distance

Constructors

constructor

new ChartTouchListener<T extends Chart<any, any, any>>(
chart: T,
): ChartTouchListener<T>
Type Parameters
- T extends Chart<any, any, any>
Parameters
- chart: T
Returns ChartTouchListener<T>
- Defined in packages/ui-chart/listener/ChartTouchListener.d.ts:42

Properties

`Readonly`chart

chart: T

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

`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
- 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
- Defined in packages/ui-chart/listener/ChartTouchListener.d.ts:48

Methods

dispose

dispose(): void
Returns void
- Defined in packages/ui-chart/listener/ChartTouchListener.d.ts:43

init

init(): void
Returns void
- Defined in packages/ui-chart/listener/ChartTouchListener.d.ts:44

`Protected`performHighlight

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

`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
- Defined in packages/ui-chart/listener/ChartTouchListener.d.ts:68