IStudyApi
API object for interacting with a study.
You can retrieve this interface by using the IChartWidgetApi.getStudyById method
Methods
applyOverrides
Override one or more of the study's properties. See Studies Overrides for a list of available overrides.
Signature
applyOverrides<TOverrides>(overrides: TOverrides) => void
Type parameters
| Name | Type |
|---|---|
TOverrides | extends StudyOverrides |
Parameters
| Name | Type | Description |
|---|---|---|
| overrides | TOverrides | Property values to override. |
Returns
void
applyToEntireLayout
Copies the study to all charts in the layout. Only applicable to multi-chart layouts (Trading Terminal).
Signature
applyToEntireLayout() => void
Returns
void
bringToFront
Move the study visually in front of all other chart objects.
Signature
bringToFront() => void
Returns
void
changePriceScale
Change the price scale that the study is attached to.
Signature
changePriceScale(newPriceScale: EntityId | StudyPriceScale) => void
Parameters
| Name | Type | Description |
|---|---|---|
| newPriceScale | EntityId | StudyPriceScale | Price scale identifier, or the ID of another study whose price scale the study should be moved to. |
Returns
void
getInputValues
Get current values of the study inputs.
Signature
getInputValues() => StudyInputValueItem[]
Returns
getInputsInfo
Get descriptions of the study inputs.
Signature
getInputsInfo() => StudyInputInformation[]
Returns
getStyleInfo
Get descriptions of study styles.
Signature
getStyleInfo() => StudyStyleInfo
Returns
getStyleValues
Get current values of the study styles.
Signature
getStyleValues() => StudyStyleValues
Returns
isUserEditEnabled
Get if user editing is enabled for the study.
Signature
isUserEditEnabled() => boolean
Returns
true if editing is enabled, false otherwise.
boolean
isVisible
Get if the study is visible.
Signature
isVisible() => boolean
Returns
true if visible, false otherwise.
boolean
mergeDown
Merge the study into the pane below, if possible.
Signature
mergeDown() => void
Returns
void
mergeUp
Merge the study into the pane above, if possible.
Signature
mergeUp() => void
Returns
void
onDataLoaded
Get a subscription that can be used to subscribe a callback when the study data has loaded.
Signature
onDataLoaded() => ISubscription<() => void>
Returns
A subscription.
Example:
studyApi.onDataLoaded().subscribe(
null,
() => console.log('Study data is loaded'),
true
);
ISubscription<() => void>
onStudyError
Get a subscription that can be used to subscribe a callback when the study has an error.
Signature
onStudyError() => ISubscription<() => void>
Returns
A subscription.
Example:
studyApi.studyApi.onStudyError().subscribe(
null,
() => console.log('Study error'),
true
);
ISubscription<() => void>
sendToBack
Move the study visually behind of all other chart objects.
Signature
sendToBack() => void
Returns
void
setInputValues
Set the value of one or more study inputs.
Signature
setInputValues(values: StudyInputValueItem[]) => void
Parameters
| Name | Type | Description |
|---|---|---|
| values | StudyInputValueItem[] | Study input values to set. |
Returns
void
setUserEditEnabled
Set if user editing is enabled for the study.
Signature
setUserEditEnabled(enabled: boolean) => void
Parameters
| Name | Type | Description |
|---|---|---|
| enabled | boolean | true if editing should be enabled, false otherwise. |
Returns
void
setVisible
Set the study visibility.
Signature
setVisible(visible: boolean) => void
Parameters
| Name | Type | Description |
|---|---|---|
| visible | boolean | true if the study should be visible, false otherwise. |
Returns
void
unmergeDown
Unmerge the study into the pane below, if possible.
Signature
unmergeDown() => void
Returns
void
unmergeUp
Unmerge the study into the pane above, if possible.
Signature
unmergeUp() => void
Returns
void