IBrokerConnectionAdapterHost
The Trading Host is an API for interaction between the Broker API and the library code related to trading. Its main purpose is to receive information from your backend server where trading logic is implemented and provide updates to the library. Refer to the Core trading concepts article for more information.
Properties
factory
Broker Connection Adapter Factory object
Type
IBrokerConnectionAdapterFactory
Methods
activateBottomWidget
Activate bottom widget
Signature
activateBottomWidget() => Promise<void>
Returns
Promise<void>
cryptoBalanceUpdate
Call this method when a broker connection has received a balance update.
This method is required by the crypto Order Dialog.
It should be implemented when the BrokerConfigFlags.supportBalances flag is set to true in SingleBrokerMetaInfo.configFlags.
Signature
cryptoBalanceUpdate(symbol: string, balance: CryptoBalance) => void
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol ID |
| balance | CryptoBalance | updated crypto balance |
Returns
void
currentAccountUpdate
Call this method when user account has been changed synchronously. The terminal will re-request all displayed information.
Signature
currentAccountUpdate() => void
Returns
void
defaultContextMenuActions
Provides default buy/sell, show properties actions to be returned as a default by IBrokerCommon.chartContextMenuActions.
Signature
defaultContextMenuActions(context: TradeContext, params?: DefaultContextMenuActionsParams) => Promise<ActionMetaInfo[]>
Parameters
| Name | Type | Description |
|---|---|---|
| context | TradeContext | trade context |
| params? | DefaultContextMenuActionsParams | optional parameters |
Returns
Promise<ActionMetaInfo[]>
defaultDropdownMenuActions
Provides default dropdown list of actions. You can use default actions in IBrokerConnectionAdapterHost.setButtonDropdownActions
Signature
defaultDropdownMenuActions(options?: Partial<DefaultDropdownActionsParams>) => ActionMetaInfo[]
Parameters
| Name | Type | Description |
|---|---|---|
| options? | Partial<DefaultDropdownActionsParams> | options for the dropdown menu actions |
Returns
defaultFormatter
Generates and returns the default value formatter for the symbol
Signature
defaultFormatter(symbol: string, alignToMinMove: boolean) => Promise<INumberFormatter>
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol identifier |
| alignToMinMove | boolean | whether the formatted number should be aligned to minimum movement for the symbol |
Returns
Promise<INumberFormatter>
domPanelVisibility
Returns whether DOM Panel is visible or not.
Signature
domPanelVisibility() => IWatchedValue<boolean>
Returns
IWatchedValue<boolean>
domUpdate
Update the Depth of Market for the specified symbol
Signature
domUpdate(symbol: string, equity: DOMData) => void
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol identifier |
| equity | DOMData | Depth of market data |
Returns
void
equityUpdate
Call this method when a broker connection has received an equity update. This method is required by the standard Order Dialog to calculate risks.
Signature
equityUpdate(equity: number) => void
Parameters
| Name | Type | Description |
|---|---|---|
| equity | number | updated equity |
Returns
void
executionUpdate
Call this method when an execution is added.
Signature
executionUpdate(execution: Execution) => void
Parameters
| Name | Type | Description |
|---|---|---|
| execution | Execution | execution which was added |
Returns
void
getOrderTicketSetting
Retrieves the current value for a specified order ticket setting.
Signature
getOrderTicketSetting<K>(settingName: K) => Promise<OrderTicketSettings[K]>
Type parameters
| Name | Type | Description |
|---|---|---|
K | extends keyof OrderTicketSettings | A key of the OrderTicketSettings type. |
Parameters
| Name | Type | Description |
|---|---|---|
| settingName | K | The name of the Order Ticket setting. |
Returns
A promise that resolves with the value of the specified setting.
Promise<OrderTicketSettings[K]>
getQty
Returns the quantity for a given symbol.
Signature
getQty(symbol: string) => Promise<number>
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol |
Returns
- quantity for the given symbol
Promise<number>
getSymbolMinTick
Returns symbol minTick.
Signature
getSymbolMinTick(symbol: string) => Promise<number>
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol identifier |
Returns
Promise<number>
individualPositionPLUpdate
Call this method when a broker connection has received an individual position PL update.
Signature
individualPositionPLUpdate(individualPositionId: string, pl: number) => void
Parameters
| Name | Type | Description |
|---|---|---|
| individualPositionId | string | ID of the individual position |
| pl | number | updated profit / loss for the individual position |
Returns
void
individualPositionPartialUpdate
Call this method when an individual position has not changed, but fields that you added to the individual position object to display in the Account Manager have changed.
Signature
individualPositionPartialUpdate(id: string, changes: Partial<IndividualPosition>) => void
Parameters
| Name | Type | Description |
|---|---|---|
| id | string | ID of the updated individual position |
| changes | Partial<IndividualPosition> | changes to the individual position object |
Returns
void
individualPositionUpdate
Call this method when an individual position is added or changed.
Signature
individualPositionUpdate(individualPosition: IndividualPosition, isHistoryUpdate?: boolean) => void
Parameters
| Name | Type | Description |
|---|---|---|
| individualPosition | IndividualPosition | updated individual position |
| isHistoryUpdate? | boolean | whether the change is a history update |
Returns
void
marginAvailableUpdate
Call this method when a broker connection has received a margin available update.
This method is required by the standard Order Dialog to display the margin meter.
This method should be used when BrokerConfigFlags.supportMargin is set to true in SingleBrokerMetaInfo.configFlags.
The Trading Platform subscribes to margin available updates using IBrokerWithoutRealtime.subscribeMarginAvailable.
Signature
marginAvailableUpdate(marginAvailable: number) => void
Parameters
| Name | Type | Description |
|---|---|---|
| marginAvailable | number | updated available margin |
Returns
void
numericFormatter
Generates and returns a number formatter with the desired decimal places
Signature
numericFormatter(decimalPlaces?: number) => Promise<INumberFormatter>
Parameters
| Name | Type | Description |
|---|---|---|
| decimalPlaces? | number | decimal places |
Returns
Promise<INumberFormatter>
orderPanelVisibility
Returns whether the order panel is visible or not.
Signature
orderPanelVisibility() => IWatchedValue<boolean>
Returns
IWatchedValue<boolean>
orderPartialUpdate
Call this method when an order is not changed, but the fields that you added to the order object to display in the Account Manager have changed. It should be used only if you want to display custom fields in the Account Manager.
Signature
orderPartialUpdate(id: string, orderChanges: Partial<Order>) => void
Parameters
| Name | Type | Description |
|---|---|---|
| id | string | order id |
| orderChanges | Partial<Order> | changes made to the order object |
Returns
void
orderUpdate
Call this method to notify the chart that it needs to update information after an order is added or changed.
Signature
orderUpdate(order: Order) => void
Parameters
| Name | Type | Description |
|---|---|---|
| order | Order | order which was added or changed |
Returns
void
patchConfig
Patch changes into the current broker configuration
Signature
patchConfig(config: Partial<BrokerConfigFlags>) => void
Parameters
| Name | Type | Description |
|---|---|---|
| config | Partial<BrokerConfigFlags> | partial configuration changes to apply |
Returns
void
pipValueUpdate
Call this method when a broker connection has a pipValue update.
The library subscribes to pipValue updates using IBrokerWithoutRealtime.subscribePipValue.
Signature
pipValueUpdate(symbol: string, pipValues: PipValues) => void
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol with updated pip values |
| pipValues | PipValues | updated pip values |
Returns
void
plUpdate
Call this method when a broker connection has received a PL update.
Use this method when the BrokerConfigFlags.supportPLUpdate flag is set to true in SingleBrokerMetaInfo.configFlags.
Signature
plUpdate(positionId: string, pl: number) => void
Parameters
| Name | Type | Description |
|---|---|---|
| positionId | string | ID of the position |
| pl | number | updated profit / loss value |
Returns
void
positionPartialUpdate
Call this method when a position is not changed, but the fields that you added to the position object to display in the Account Manager have changed. It should be used only if you want to display custom fields in the Account Manager.
Signature
positionPartialUpdate(id: string, positionChanges: Partial<Position>) => void
Parameters
| Name | Type | Description |
|---|---|---|
| id | string | id of the position |
| positionChanges | Partial<Position> | changes to the position object |
Returns
void
positionUpdate
Call this method when a position is added or changed.
Signature
positionUpdate(position: Position, isHistoryUpdate?: boolean) => void
Parameters
| Name | Type | Description |
|---|---|---|
| position | Position | position which was added or changed |
| isHistoryUpdate? | boolean | whether the change is a history update |
Returns
void
quantityFormatter
Generates and returns a quantity formatter with the desired decimal places
Signature
quantityFormatter(decimalPlaces?: number) => Promise<INumberFormatter>
Parameters
| Name | Type | Description |
|---|---|---|
| decimalPlaces? | number | decimal places |
Returns
Promise<INumberFormatter>
realtimeUpdate
Trading quote realtime update
Signature
realtimeUpdate(symbol: string, data: TradingQuotes) => void
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol identifier |
| data | TradingQuotes | realtime updated data for the symbol quotes |
Returns
void
sellBuyButtonsVisibility
Returns whether the buy/sell buttons are visible or not.
Signature
sellBuyButtonsVisibility() => IWatchedValue<boolean>
Returns
IWatchedValue<boolean>
setDurations
Set expiration durations
Signature
setDurations(durations: OrderDurationMetaInfo[]) => void
Parameters
| Name | Type | Description |
|---|---|---|
| durations | OrderDurationMetaInfo[] | Expiration options for orders |
Returns
void
setOrderTicketSetting
Updates the value of a specified Order Ticket setting.
Signature
setOrderTicketSetting<K>(settingName: K, value: OrderTicketSettings[K]) => Promise<void>
Type parameters
| Name | Type | Description |
|---|---|---|
K | extends keyof OrderTicketSettings | A key of OrderTicketSettings type. |
Parameters
| Name | Type | Description |
|---|---|---|
| settingName | K | The name of the order ticket setting to be updated. |
| value | OrderTicketSettings[K] | The new value to be assigned to the setting. |
Returns
A promise that resolves when the setting is successfully updated.
Promise<void>
setQty
Sets the quantity for a given symbol.
Signature
setQty(symbol: string, quantity: number) => void
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol |
| quantity | number | quantity to update |
Returns
void
showCancelBracketsDialog
Shows the cancel brackets dialog
Signature
showCancelBracketsDialog(orderId: string, handler: Function) => Promise<void>
Parameters
| Name | Type | Description |
|---|---|---|
| orderId | string | id of order |
| handler | () => Promise<void> | cancel brackets confirmation handler (called when brackets should be cancelled) |
Returns
Promise<void>
showCancelMultipleBracketsDialog
Shows the cancel brackets dialog for multiple brackets
Signature
showCancelMultipleBracketsDialog(orderId: string, handler: Function) => Promise<void>
Parameters
| Name | Type | Description |
|---|---|---|
| orderId | string | id of order |
| handler | () => Promise<void> | cancel brackets confirmation handler (called when brackets should be cancelled) |
Returns
Promise<void>
showCancelMultipleOrdersDialog
Shows the cancel order dialog for multiple orders
Signature
showCancelMultipleOrdersDialog(symbol: string, side: Side, qty: number, handler: Function) => Promise<void>
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol for which to cancel orders |
| side | Side | side of the order |
| qty | number | quantity of the order |
| handler | () => Promise<void> | cancel orders confirmation handler (called when orders should be cancelled) |
Returns
Promise<void>
showCancelOrderDialog
Shows the cancel order dialog for specified order
Signature
showCancelOrderDialog(orderId: string, handler: Function) => Promise<void>
Parameters
| Name | Type | Description |
|---|---|---|
| orderId | string | id of order to potentially cancel |
| handler | () => Promise<void> | cancel order confirmation handler (called when order should be cancelled) |
Returns
Promise<void>
showConfirmDialog
Displays a confirmation dialog to a user and returns a Promise to the result.
Signature
showConfirmDialog(title: string, content: string | string[], mainButtonText?: string, cancelButtonText?: string, showDisableConfirmationsCheckbox?: boolean) => Promise<boolean>
Parameters
| Name | Type | Description |
|---|---|---|
| title | string | title of the confirmation dialog |
| content | string | string[] | content for the dialog |
| mainButtonText? | string | text for the main button (true result) |
| cancelButtonText? | string | text for the cancel button (false result) |
| showDisableConfirmationsCheckbox? | boolean | show disable confirmations checkbox within the dialog |
Returns
Promise<boolean>
showMessageDialog
Displays a message dialog to a user.
Signature
showMessageDialog(title: string, text: string, textHasHTML?: boolean) => void
Parameters
| Name | Type | Description |
|---|---|---|
| title | string | title of the message dialog |
| text | string | message |
| textHasHTML? | boolean | whether message text contains HTML |
Returns
void
showNotification
Shows notification message
Signature
showNotification(title: string, text: string, notificationType?: NotificationType) => void
Parameters
| Name | Type | Description |
|---|---|---|
| title | string | notification title |
| text | string | notification content |
| notificationType? | NotificationType | type of notification (default: NotificationType.Error) |
Returns
void
showOrderDialog
OptionalShows the order dialog
Signature
showOrderDialog<T>(order: T, focus?: OrderTicketFocusControl) => Promise<boolean>
Type parameters
| Name | Type |
|---|---|
T | extends PreOrder |
Parameters
| Name | Type | Description |
|---|---|---|
| order | T | order to show in the dialog |
| focus? | OrderTicketFocusControl | input control to focus on when dialog is opened |
Returns
Promise<boolean>
showPositionBracketsDialog
Shows the position brackets dialog
Signature
showPositionBracketsDialog(position: Position | IndividualPosition, brackets: Brackets, focus: OrderTicketFocusControl) => Promise<boolean>
Parameters
| Name | Type | Description |
|---|---|---|
| position | Position | IndividualPosition | position or individual position |
| brackets | Brackets | brackets for the position or individual position |
| focus | OrderTicketFocusControl | input control to focus on when dialog is opened |
Returns
Promise<boolean>
showReversePositionDialog
Shows reverse position dialog
Signature
showReversePositionDialog(position: string, handler: Function) => Promise<boolean>
Parameters
| Name | Type | Description |
|---|---|---|
| position | string | position to be reversed |
| handler | () => Promise<boolean> | reverse position confirmation handler (called when the position should be reversed) |
Returns
Promise<boolean>
showSimpleConfirmDialog
Displays a simple confirmation dialog to a user and returns a Promise to the result.
Signature
showSimpleConfirmDialog(title: string, content: string | string[], mainButtonText?: string, cancelButtonText?: string, showDisableConfirmationsCheckbox?: boolean) => Promise<boolean>
Parameters
| Name | Type | Description |
|---|---|---|
| title | string | title of the confirmation dialog |
| content | string | string[] | content for the dialog |
| mainButtonText? | string | text for the main button (true result) |
| cancelButtonText? | string | text for the cancel button (false result) |
| showDisableConfirmationsCheckbox? | boolean | show disable confirmations checkbox within the dialog |
Returns
Promise<boolean>
showTradingProperties
Shows trading properties
Signature
showTradingProperties() => void
Returns
void
silentOrdersPlacement
Returns if orders can be sent to the broker without showing the order ticket.
Signature
silentOrdersPlacement() => IWatchedValue<boolean>
Returns
IWatchedValue<boolean>
subscribeSuggestedQtyChange
Adds a callback to be executed whenever there's a change of quantity for a given symbol.
It's the user's responsibility to manage the unsubscription of any added listener
Signature
subscribeSuggestedQtyChange(symbol: string, listener: SuggestedQtyChangedListener) => void
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol to which the callback will be linked to |
| listener | SuggestedQtyChangedListener | callback |
Returns
void
unsubscribeSuggestedQtyChange
Remove a previously added callback from the list.
Signature
unsubscribeSuggestedQtyChange(symbol: string, listener: SuggestedQtyChangedListener) => void
Parameters
| Name | Type | Description |
|---|---|---|
| symbol | string | symbol to remove the callback from |
| listener | SuggestedQtyChangedListener | callback to be removed |
Returns
void