DataSaveControl – amCharts 5 Documentation

Type class

A control that saves the chart's drawings and indicators to the browser's local storage, and restores them.

Click here for more info
@since 5.7.0

Sources

DataSaveControl can be used (imported) via one of the following packages.

// Import DataSaveControl
import * as am5stock from "@amcharts/amcharts5/stock";

// Create DataSaveControl
am5stock.DataSaveControl.new(root, {
  // ... config if applicable
});

<!-- Load DataSaveControl -->
<script src="stock.js"></script>

<script>
// Create DataSaveControl
am5stock.DataSaveControl.new(root, {
  // ... config if applicable
});
</script>

Inheritance

DataSaveControl extends DropdownListControl.

DataSaveControl is not extended by any other symbol.

Settings

Set these settings on a DataSaveControl object using its set() and setAll() methods.

Read about settings concept.

active #	Type `undefined` \| `false` \| `true` Default `false` Inherited from `IStockControlSettings` Turns the control on; its button shows as active.
align #	Type `"left"` \| `"right"` Default `"left"` Inherited from `IStockControlSettings` Side of the toolbar the control is placed on.
animations #	Type `Array` Inherited from `IEntitySettings` Animations the element plays on its own, described as data - so they can be set from a JSON config and saved with it. Each one animates a setting of the element (or, with `target: "dataItem"`, a value of its data item - a map point's `positionOnLine`, say). They start when the setting is applied, restart when it changes, and stop when the element is disposed. A saved config keeps what was configured, never a value caught half way through an animation. sprite.set("animations", [ { key: "rotation", to: 360, duration: 4000, loops: 0 }, { key: "scale", from: 1, to: 1.3, duration: 800, loops: 0, yoyo: true, easing: "sine" } ]); @since 5.20.8
autoSave #	Type `undefined` \| `false` \| `true` Default `false` Saves the chart's drawings and indicators to the browser's local storage whenever they change, and restores them on the next load.
currentItem #	Type `string` \| `IDropdownListItem` Inherited from `IDropdownListControlSettings` Item (or its ID) shown as selected when the control is created. It is not updated when another item is picked.
description #	Type `undefined` \| `string` Inherited from `IStockControlSettings` What the control does, shown as the button's tooltip. Falls back to `name`.
exclude #	Type `string[]` Inherited from `IDropdownListControlSettings` IDs of items to leave out of the list. @since 5.7.0
fixedLabel #	Type `undefined` \| `false` \| `true` Inherited from `IDropdownListControlSettings` Keeps the button's label and icon when an item is picked, instead of showing that item.
forceHidden #	Type `undefined` \| `false` \| `true` Default `false` Inherited from `IStockControlSettings` Keeps the control hidden, even when `show()` is called. @since 5.8.5
icon #	Type `HTMLElement` \| `SVGElement` \| `"none"` Inherited from `IStockControlSettings` Icon element of the button, or `"none"` for no icon. Each control has its own default icon.
id #	Type `undefined` \| `string` Inherited from `IEntitySettings` A unique ID for looking the element up in `root.entitiesById`. Setting an ID that another element already has throws an error.
ignoreThemes #	Type `undefined` \| `false` \| `true` Default `false` Inherited from `IEntitySettings` Ignores themes: no theme rule applies to the element, not even one of the default theme. @since 5.15.6
items #	Type `Array` Inherited from `IDropdownListControlSettings` Items of the dropdown: strings, or objects with an `id` and a `label`.
maxSearchItems #	Type `undefined` \| `number` Inherited from `IDropdownListControlSettings` Most results of `searchCallback` to show; the rest are cut off with a note.
name #	Type `undefined` \| `string` Inherited from `IStockControlSettings` Label text of the control's button.
scrollable #	Type `undefined` \| `false` \| `true` Inherited from `IDropdownListControlSettings` Limits the list's height to the chart's height minus 100 pixels, scrolling the rest.
searchCallback #	Type `undefined` \| ( query: `string`) => `IDropdownListItem[]` Inherited from `IDropdownListControlSettings` Returns the items to show for a search query.
searchable #	Type `undefined` \| `false` \| `true` Inherited from `IDropdownListControlSettings` Shows a search field above the list. Typing filters the items or, with `searchCallback`, replaces them with its results.
stateAnimationDuration #	Type `undefined` \| `number` Default `0` Inherited from `IEntitySettings` How long, in milliseconds, a switch from one state to another animates. `0` switches at once.
stateAnimationEasing #	Type `$ease.Easing` Default `out(cubic)` Inherited from `IEntitySettings` Easing of the animated switch from one state to another.
stockChart #	Type `StockChart` Inherited from `IStockControlSettings` The `StockChart` the control acts on.
storageId #	Type `undefined` \| `string` Key for the data in local storage. If not set, the page URL plus the ID of the chart's container element is used.
themeTags #	Type `Array` Inherited from `IEntitySettings` Tags that theme rules can target. They also count for the element's children, so a rule can match a child by a tag of its parent. Click here for more info
themeTagsSelf #	Type `Array` Inherited from `IEntitySettings` Tags that theme rules can target, like `themeTags`, but only for this element, not its children. Click here for more info
themes #	Type `Array` Inherited from `IEntitySettings` Themes applied to the element and everything inside it.
togglable #	Type `undefined` \| `false` \| `true` Default `true` Inherited from `IStockControlSettings` A click on the button toggles `active`.
userData #	Type `any` Inherited from `IEntitySettings` Any data of your own to keep with the element.
visible #	Type `undefined` \| `false` \| `true` Default `true` Inherited from `IStockControlSettings` Shows the control's button; `false` hides it.
There are 26 inherited items currently hidden from this list.

Private settings

These are read-only settings accessible from a DataSaveControl object using its getPrivate() method.

Read about private settings.

button #	Read only Type `HTMLDivElement` Inherited from `IStockControlPrivate`
drawingControl #	Read only Type `DrawingControl`
dropdown #	Read only Type `DropdownList` Inherited from `IDropdownListControlPrivate`
icon #	Read only Type `HTMLElement` Inherited from `IStockControlPrivate`
indicatorControl #	Read only Type `IndicatorControl`
label #	Read only Type `HTMLDivElement` Inherited from `IStockControlPrivate`
storageId #	Read only Type `undefined` \| `string`
toolbar #	Read only Type `StockToolbar` Inherited from `IStockControlPrivate`
There are 5 inherited items currently hidden from this list.

Properties

adapters #	Type `Adapters` Default `new Adapters(this)` Inherited from `Entity`
className #	Static Type `string` Default `"DataSaveControl"`
classNames #	Static Type `Array` Default `"DataSaveControl", "DropdownListControl", "StockControl", "Entity"`
enableDispose #	Type `boolean` Default `true` Inherited from `Settings` Set to `false` to make `dispose()` do nothing.
events #	Type `EventDispatcher` Default `this._createEvents()` Inherited from `Entity`
root #	Type `Root` Inherited from `Entity` The `Root` the object belongs to. @readonly @since 5.0.6
states #	Type `States` Default `new States(this)` Inherited from `Entity`
template #	Type `Template` \| `undefined` Inherited from `Entity` A `Template` applied to the object. Its settings apply where the object has none set of its own.
uid #	Type `number` Default `++counter` Inherited from `Settings` A unique number, given to each object as it is created.
There are 7 inherited items currently hidden from this list.

Methods

animate( options: `AnimationOptions` ) #	Returns `Animation` Inherited from `Settings` Animates a setting from its current value (or `from`) to `to`. The setting jumps to `from` at once. With `duration` `0`, or no value to start from, it is set to `to` at once and the returned animation is already stopped. Click here for more info
clearData() #	Returns `void` Removes the saved drawings and indicators from local storage.
dispose() #	Returns `void` Inherited from `Settings` Disposes the object, freeing everything it holds. A disposed object can't be used again.
get( key: `Key`, fallback: `F` ) #	Returns `NonNullable` \| `F` Inherited from `Entity` Returns the value of setting `key`, run through any adapters, or `fallback` if it is not set. Click here for more info
getItemById( id: `string` ) #	Returns `IDropdownListItem` \| `string` \| `undefined` Inherited from `DropdownListControl` Returns the item with an ID from `items`. @since 5.9.0
has( key: `Key` ) #	Returns `boolean` Inherited from `Settings` Returns `true` if setting `key` is set. Click here for more info
hide() #	Returns `void` Inherited from `StockControl` Hides the control's button.
isAccessible() #	Returns `boolean` Inherited from `StockControl`
isDisposed() #	Returns `boolean` Inherited from `Settings` Returns `true` if the object has been disposed.
isType( type: `string` ) #	Returns `this` Inherited from `Entity` Returns `true` if the object is of class `type` or extends it.
new( root: `Root`, settings: `ITSettings`, template?: `Template` ) #	Static Returns `T` Inherited from `Entity` Creates an instance of the class. Use it instead of `new Class()`. Click here for more info
off( key: `Key`, callback?: `undefined` \| ( value: `[""]`, target: `this`, key: `Key`) => `void` ) #	Returns `void` Inherited from `Settings` Removes a callback added with `on()`. Without `callback`, removes all of them for `key`. Click here for more info @since 5.9.2
offDebounced( key: `Key`, callback?: `undefined` \| ( value: `[""]`, target: `this`, key: `Key`) => `void` ) #	Returns `void` Inherited from `Settings` Removes a callback added with `onDebounced()`. Without `callback`, removes all of them for `key`. Click here for more info
offDebouncedPrivate( key: `Key`, callback?: `undefined` \| ( value: `[""]`, target: `this`, key: `Key`) => `void` ) #	Returns `void` Inherited from `Settings` Removes a callback added with `onPrivateDebounced()`. Without `callback`, removes all of them for `key`. Click here for more info
offPrivate( key: `Key`, callback?: `undefined` \| ( value: `[""]`, target: `this`, key: `Key`) => `void` ) #	Returns `void` Inherited from `Settings` Removes a callback added with `onPrivate()`. Without `callback`, removes all of them for `key`. Click here for more info @since 5.9.2
on( key: `Key`, callback: ( value: `[""]`, target: `this`, key: `Key`) => `void` ) #	Returns `IDisposer` Inherited from `Settings` Calls `callback` each time the value of setting `key` changes or is removed. Setting the same value again does not call it. Click here for more info
onDebounced( key: `Key`, callback: ( value: `[""]`, target: `this`, key: `Key`) => `void`, debounceDelay: `number` ) #	Returns `IDisposer` Inherited from `Settings` Like `on()`, but waits until setting `key` has not changed for `debounceDelay` milliseconds, then calls `callback` once with the latest value. Click here for more info
onPrivate( key: `Key`, callback: ( value: `[""]`, target: `this`, key: `Key`) => `void` ) #	Returns `IDisposer` Inherited from `Settings` Calls `callback` each time the value of private setting `key` changes. Click here for more info
onPrivateDebounced( key: `Key`, callback: ( value: `[""]`, target: `this`, key: `Key`) => `void`, debounceDelay: `number` ) #	Returns `IDisposer` Inherited from `Settings` Like `onPrivate()`, but waits until private setting `key` has not changed for `debounceDelay` milliseconds, then calls `callback` once with the latest value. Click here for more info
once( key: `Key`, callback: ( value: `[""]`, target: `this`, key: `Key`) => `void` ) #	Returns `IDisposer` Inherited from `Settings` Like `on()`, but the callback is removed after it is called once. Click here for more info @since 5.20.4
onceDebounced( key: `Key`, callback: ( value: `[""]`, target: `this`, key: `Key`) => `void`, debounceDelay: `number` ) #	Returns `IDisposer` Inherited from `Settings` Like `onDebounced()`, but the callback is removed after it is called once. Click here for more info @since 5.20.4
remove( key: `Key` ) #	Returns `void` Inherited from `Entity` Removes the value set for setting `key`. The setting goes back to the value from a theme or template, if one has it. Click here for more info
removeAll() #	Returns `void` Inherited from `Settings` Removes all settings, as `remove()` does for each one. Click here for more info
restoreData() #	Returns `void` Replaces the chart's drawings and indicators with the ones saved in local storage.
saveData() #	Returns `void` Saves the chart's drawings and indicators to local storage.
set( key: `Key`, value: `Value` ) #	Returns `Value` Inherited from `Entity` Sets setting `key` to `value` and returns `value`. A value set this way overrides themes and templates, and stops any animation of the setting. Click here for more info
setAll( settings: `Partial` ) #	Returns `void` Inherited from `Settings` Sets several settings at once, from an object of key-value pairs. Click here for more info
setItem( item: `string` \| `IDropdownListItem` ) #	Returns `void` Inherited from `DropdownListControl` Shows an item on the button as the selected one, unless `fixedLabel` is set. Does not dispatch `selected`.
setItemById( id: `string` ) #	Returns `void` Inherited from `DropdownListControl` Selects an item by its ID: shows it on the button and dispatches `selected`. @since 5.9.0
setTimeout( fn: () => `void`, delay: `number` ) #	Returns `IDisposer` Inherited from `Entity` Calls `fn` after `delay` milliseconds, unless the object is disposed first. Disposing the returned disposer cancels it.
show() #	Returns `void` Inherited from `StockControl` Shows the control's button, unless `forceHidden` is set.
There are 28 inherited items currently hidden from this list.

animate(

options: AnimationOptions

)

Returns Animation

Inherited from Settings

Animates a setting from its current value (or from) to to. The setting jumps to from at once. With duration 0, or no value to start from, it is set to to at once and the returned animation is already stopped.

Click here for more info

clearData()

Returns void

Removes the saved drawings and indicators from local storage.

dispose()

Returns void

Inherited from Settings

Disposes the object, freeing everything it holds. A disposed object can't be used again.

get(

key: Key,
fallback: F

)

Returns NonNullable | F

Inherited from Entity

Returns the value of setting key, run through any adapters, or fallback if it is not set.

Click here for more info

getItemById(

id: string

)

Returns IDropdownListItem | string | undefined

Inherited from DropdownListControl

Returns the item with an ID from items.

@since 5.9.0

has(

key: Key

)

Returns boolean

Inherited from Settings

Returns true if setting key is set.

Click here for more info

hide()

Returns void

Inherited from StockControl

Hides the control's button.

isAccessible()

Returns boolean

Inherited from StockControl

isDisposed()

Returns boolean

Inherited from Settings

Returns true if the object has been disposed.

isType(

type: string

)

Returns this

Inherited from Entity

Returns true if the object is of class type or extends it.

new(

root: Root,
settings: ITSettings,
template?: Template

)

Static

Returns T

Inherited from Entity

Creates an instance of the class. Use it instead of new Class().

Click here for more info

off(

key: Key,
callback?: undefined | ( value: [""], target: this, key: Key) => void

)

Returns void

Inherited from Settings

Removes a callback added with on(). Without callback, removes all of them for key.

Click here for more info
@since 5.9.2

offDebounced(

key: Key,
callback?: undefined | ( value: [""], target: this, key: Key) => void

)

Returns void

Inherited from Settings

Removes a callback added with onDebounced(). Without callback, removes all of them for key.

Click here for more info

offDebouncedPrivate(

key: Key,
callback?: undefined | ( value: [""], target: this, key: Key) => void

)

Returns void

Inherited from Settings

Removes a callback added with onPrivateDebounced(). Without callback, removes all of them for key.

Click here for more info

offPrivate(

key: Key,
callback?: undefined | ( value: [""], target: this, key: Key) => void

)

Returns void

Inherited from Settings

Removes a callback added with onPrivate(). Without callback, removes all of them for key.

Click here for more info
@since 5.9.2

on(

key: Key,
callback: ( value: [""], target: this, key: Key) => void

)

Returns IDisposer

Inherited from Settings

Calls callback each time the value of setting key changes or is removed. Setting the same value again does not call it.

Click here for more info

onDebounced(

key: Key,
callback: ( value: [""], target: this, key: Key) => void,
debounceDelay: number

)

Returns IDisposer

Inherited from Settings

Like on(), but waits until setting key has not changed for debounceDelay milliseconds, then calls callback once with the latest value.

Click here for more info

onPrivate(

key: Key,
callback: ( value: [""], target: this, key: Key) => void

)

Returns IDisposer

Inherited from Settings

Calls callback each time the value of private setting key changes.

Click here for more info

onPrivateDebounced(

key: Key,
callback: ( value: [""], target: this, key: Key) => void,
debounceDelay: number

)

Returns IDisposer

Inherited from Settings

Like onPrivate(), but waits until private setting key has not changed for debounceDelay milliseconds, then calls callback once with the latest value.

Click here for more info

once(

key: Key,
callback: ( value: [""], target: this, key: Key) => void

)

Returns IDisposer

Inherited from Settings

Like on(), but the callback is removed after it is called once.

Click here for more info
@since 5.20.4

onceDebounced(

key: Key,
callback: ( value: [""], target: this, key: Key) => void,
debounceDelay: number

)

Returns IDisposer

Inherited from Settings

Like onDebounced(), but the callback is removed after it is called once.

Click here for more info
@since 5.20.4

remove(

key: Key

)

Returns void

Inherited from Entity

Removes the value set for setting key. The setting goes back to the value from a theme or template, if one has it.

Click here for more info

removeAll()

Returns void

Inherited from Settings

Removes all settings, as remove() does for each one.

Click here for more info

restoreData()

Returns void

Replaces the chart's drawings and indicators with the ones saved in local storage.

saveData()

Returns void

Saves the chart's drawings and indicators to local storage.

set(

key: Key,
value: Value

)

Returns Value

Inherited from Entity

Sets setting key to value and returns value. A value set this way overrides themes and templates, and stops any animation of the setting.

Click here for more info

setAll(

settings: Partial

)

Returns void

Inherited from Settings

Sets several settings at once, from an object of key-value pairs.

Click here for more info

setItem(

item: string | IDropdownListItem

)

Returns void

Inherited from DropdownListControl

Shows an item on the button as the selected one, unless fixedLabel is set. Does not dispatch selected.

setItemById(

id: string

)

Returns void

Inherited from DropdownListControl

Selects an item by its ID: shows it on the button and dispatches selected.

@since 5.9.0

setTimeout(

fn: () => void,
delay: number

)

Returns IDisposer

Inherited from Entity

Calls fn after delay milliseconds, unless the object is disposed first. Disposing the returned disposer cancels it.

show()

Returns void

Inherited from StockControl

Shows the control's button, unless forceHidden is set.

There are 28 inherited items currently hidden from this list.

Events

Add event handlers to DataSaveControl object using its events.on() method.

Read about adding event handlers.

#cleared	Param { type: `"cleared"`, target: `this` } The saved drawings and indicators were removed from local storage.
#click	Param { originalEvent: `IPointerEvent`, type: `"click"`, target: `this` } Inherited from `IStockControlEvents` The control's button was clicked.
#restored	Param { drawings: `string`, indicators: `string`, type: `"restored"`, target: `this` } Drawings and indicators were restored from local storage.
#saved	Param { drawings: `string`, indicators: `string`, type: `"saved"`, target: `this` } Drawings and indicators were saved to local storage. `drawings` and `indicators` hold them as JSON.
#selected	Param { item: `string` \| `IDropdownListItem`, type: `"selected"`, target: `this` } Inherited from `IDropdownListControlEvents` An item was picked from the list, or selected with `setItemById()`.
There are 2 inherited items currently hidden from this list.