# Class: DatasetController<TType, TElement, TDatasetElement, TParsedData>
# Type parameters
| Name | Type |
|---|---|
TType | extends ChartType = ChartType |
TElement | extends Element = Element |
TDatasetElement | extends Element = Element |
TParsedData | ParsedDataType<TType> |
# Hierarchy
DatasetController
# Constructors
# constructor
• new DatasetController<TType, TElement, TDatasetElement, TParsedData>(chart, datasetIndex)
# Type parameters
| Name | Type |
|---|---|
TType | extends keyof ChartTypeRegistry = keyof ChartTypeRegistry |
TElement | extends Element<AnyObject, AnyObject, TElement> = Element<AnyObject, AnyObject> |
TDatasetElement | extends Element<AnyObject, AnyObject, TDatasetElement> = Element<AnyObject, AnyObject> |
TParsedData | ParsedDataType<TType> |
# Parameters
| Name | Type |
|---|---|
chart | Chart<keyof ChartTypeRegistry, (number | ScatterDataPoint | BubbleDataPoint)[], unknown> |
datasetIndex | number |
# Defined in
index.esm.d.ts:579 (opens new window)
# Properties
# _cachedMeta
• Readonly _cachedMeta: ChartMeta<TElement, TDatasetElement, TType>
# Defined in
index.esm.d.ts:583 (opens new window)
# chart
• Readonly chart: Chart<keyof ChartTypeRegistry, (number | ScatterDataPoint | BubbleDataPoint)[], unknown>
# Defined in
index.esm.d.ts:581 (opens new window)
# enableOptionSharing
• enableOptionSharing: boolean
# Defined in
index.esm.d.ts:584 (opens new window)
# index
• Readonly index: number
# Defined in
index.esm.d.ts:582 (opens new window)
# supportsDecimation
• supportsDecimation: boolean
# Defined in
index.esm.d.ts:588 (opens new window)
# Methods
# addElements
▸ addElements(): void
# Returns
void
# Defined in
index.esm.d.ts:604 (opens new window)
# applyStack
▸ Protected applyStack(scale, parsed): number
# Parameters
| Name | Type |
|---|---|
scale | Scale<CoreScaleOptions> |
parsed | unknown[] |
# Returns
number
# Defined in
index.esm.d.ts:640 (opens new window)
# buildOrUpdateElements
▸ buildOrUpdateElements(resetNewElements?): void
# Parameters
| Name | Type |
|---|---|
resetNewElements? | boolean |
# Returns
void
# Defined in
index.esm.d.ts:605 (opens new window)
# configure
▸ configure(): void
# Returns
void
# Defined in
index.esm.d.ts:602 (opens new window)
# draw
▸ draw(): void
# Returns
void
# Defined in
index.esm.d.ts:597 (opens new window)
# getAllParsedValues
▸ getAllParsedValues(scale): number[]
# Parameters
| Name | Type |
|---|---|
scale | Scale<CoreScaleOptions> |
# Returns
number[]
# Defined in
index.esm.d.ts:591 (opens new window)
# getDataset
▸ getDataset(): ChartDataset<keyof ChartTypeRegistry, (number | ScatterDataPoint | BubbleDataPoint)[]>
# Returns
ChartDataset<keyof ChartTypeRegistry, (number | ScatterDataPoint | BubbleDataPoint)[]>
# Defined in
index.esm.d.ts:599 (opens new window)
# getLabelAndValue
▸ Protected getLabelAndValue(index): Object
# Parameters
| Name | Type |
|---|---|
index | number |
# Returns
Object
| Name | Type |
|---|---|
label | string |
value | string |
# Defined in
index.esm.d.ts:592 (opens new window)
# getMaxOverflow
▸ Protected getMaxOverflow(): number | boolean
# Returns
number | boolean
# Defined in
index.esm.d.ts:596 (opens new window)
# getMeta
▸ getMeta(): ChartMeta<TElement, TDatasetElement, TType>
# Returns
ChartMeta<TElement, TDatasetElement, TType>
# Defined in
index.esm.d.ts:600 (opens new window)
# getMinMax
▸ Protected getMinMax(scale, canStack?): Object
# Parameters
| Name | Type |
|---|---|
scale | Scale<CoreScaleOptions> |
canStack? | boolean |
# Returns
Object
| Name | Type |
|---|---|
max | number |
min | number |
# Defined in
index.esm.d.ts:647 (opens new window)
# getParsed
▸ Protected getParsed(index): TParsedData
# Parameters
| Name | Type |
|---|---|
index | number |
# Returns
TParsedData
# Defined in
index.esm.d.ts:639 (opens new window)
# getScaleForId
▸ getScaleForId(scaleID): Scale<CoreScaleOptions>
# Parameters
| Name | Type |
|---|---|
scaleID | string |
# Returns
# Defined in
index.esm.d.ts:601 (opens new window)
# getSharedOptions
▸ Protected getSharedOptions(options): AnyObject
Utility for checking if the options are shared and should be animated separately.
# Parameters
| Name | Type |
|---|---|
options | AnyObject |
# Returns
AnyObject
# Defined in
index.esm.d.ts:614 (opens new window)
# getStyle
▸ getStyle(index, active): AnyObject
# Parameters
| Name | Type |
|---|---|
index | number |
active | boolean |
# Returns
AnyObject
# Defined in
index.esm.d.ts:607 (opens new window)
# includeOptions
▸ Protected includeOptions(mode, sharedOptions): boolean
Utility for determining if options should be included in the updated properties
# Parameters
| Name | Type |
|---|---|
mode | "resize" | "reset" | "none" | "hide" | "show" | "normal" | "active" |
sharedOptions | AnyObject |
# Returns
boolean
# Defined in
index.esm.d.ts:619 (opens new window)
# initialize
▸ initialize(): void
# Returns
void
# Defined in
index.esm.d.ts:603 (opens new window)
# linkScales
▸ linkScales(): void
# Returns
void
# Defined in
index.esm.d.ts:590 (opens new window)
# parse
▸ parse(start, count): void
# Parameters
| Name | Type |
|---|---|
start | number |
count | number |
# Returns
void
# Defined in
index.esm.d.ts:635 (opens new window)
# parseArrayData
▸ Protected parseArrayData(meta, data, start, count): AnyObject[]
# Parameters
| Name | Type |
|---|---|
meta | ChartMeta<TElement, TDatasetElement, TType> |
data | AnyObject[] |
start | number |
count | number |
# Returns
AnyObject[]
# Defined in
index.esm.d.ts:637 (opens new window)
# parseObjectData
▸ Protected parseObjectData(meta, data, start, count): AnyObject[]
# Parameters
| Name | Type |
|---|---|
meta | ChartMeta<TElement, TDatasetElement, TType> |
data | AnyObject[] |
start | number |
count | number |
# Returns
AnyObject[]
# Defined in
index.esm.d.ts:638 (opens new window)
# parsePrimitiveData
▸ Protected parsePrimitiveData(meta, data, start, count): AnyObject[]
# Parameters
| Name | Type |
|---|---|
meta | ChartMeta<TElement, TDatasetElement, TType> |
data | AnyObject[] |
start | number |
count | number |
# Returns
AnyObject[]
# Defined in
index.esm.d.ts:636 (opens new window)
# removeHoverStyle
▸ removeHoverStyle(element, datasetIndex, index): void
# Parameters
| Name | Type |
|---|---|
element | TElement |
datasetIndex | number |
index | number |
# Returns
void
# Defined in
index.esm.d.ts:632 (opens new window)
# reset
▸ reset(): void
# Returns
void
# Defined in
index.esm.d.ts:598 (opens new window)
# resolveDataElementOptions
▸ Protected resolveDataElementOptions(index, mode): AnyObject
# Parameters
| Name | Type |
|---|---|
index | number |
mode | "resize" | "reset" | "none" | "hide" | "show" | "normal" | "active" |
# Returns
AnyObject
# Defined in
index.esm.d.ts:609 (opens new window)
# resolveDatasetElementOptions
▸ Protected resolveDatasetElementOptions(mode): AnyObject
# Parameters
| Name | Type |
|---|---|
mode | "resize" | "reset" | "none" | "hide" | "show" | "normal" | "active" |
# Returns
AnyObject
# Defined in
index.esm.d.ts:608 (opens new window)
# setHoverStyle
▸ setHoverStyle(element, datasetIndex, index): void
# Parameters
| Name | Type |
|---|---|
element | TElement |
datasetIndex | number |
index | number |
# Returns
void
# Defined in
index.esm.d.ts:633 (opens new window)
# update
▸ update(mode): void
# Parameters
| Name | Type |
|---|---|
mode | "resize" | "reset" | "none" | "hide" | "show" | "normal" | "active" |
# Returns
void
# Defined in
index.esm.d.ts:594 (opens new window)
# updateElement
▸ Protected updateElement(element, index, properties, mode): void
Utility for updating an element with new properties, using animations when appropriate.
# Parameters
| Name | Type |
|---|---|
element | TElement | TDatasetElement |
index | number |
properties | AnyObject |
mode | "resize" | "reset" | "none" | "hide" | "show" | "normal" | "active" |
# Returns
void
# Defined in
index.esm.d.ts:625 (opens new window)
# updateElements
▸ updateElements(elements, start, count, mode): void
# Parameters
| Name | Type |
|---|---|
elements | TElement[] |
start | number |
count | number |
mode | "resize" | "reset" | "none" | "hide" | "show" | "normal" | "active" |
# Returns
void
# Defined in
index.esm.d.ts:593 (opens new window)
# updateIndex
▸ updateIndex(datasetIndex): void
# Parameters
| Name | Type |
|---|---|
datasetIndex | number |
# Returns
void
# Defined in
index.esm.d.ts:595 (opens new window)
# updateRangeFromParsed
▸ Protected updateRangeFromParsed(range, scale, parsed, stack): void
# Parameters
| Name | Type |
|---|---|
range | Object |
range.max | number |
range.min | number |
scale | Scale<CoreScaleOptions> |
parsed | unknown[] |
stack | string | boolean |
# Returns
void
# Defined in
index.esm.d.ts:641 (opens new window)
# updateSharedOptions
▸ Protected updateSharedOptions(sharedOptions, mode, newOptions): void
Utility to animate the shared options, that are potentially affecting multiple elements.
# Parameters
| Name | Type |
|---|---|
sharedOptions | AnyObject |
mode | "resize" | "reset" | "none" | "hide" | "show" | "normal" | "active" |
newOptions | AnyObject |
# Returns
void
# Defined in
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