Methods

This page describes the available methods within the HTML Canvas class

HTML Canvas methods

Method	Description
getHeaders	Returns the appropriate authentication headers for public or private dashboards.
openDrawer	Embeds a URL in a drawer and displays it.
setDashboardDevices	Changes the currently selected device or devices in single-device or multi-device dynamic dashboards.
setDashboardDateRange	Changes the selected time range in a dashboard.
setRealTime	Turns the dashboard's real-time updates on or off.
refreshDashboard	Refreshes dashboard data in all widgets.
setDashboardLayer	Navigates to a different layer.

getHeaders

Arguments: None

Signature: ubidots.getHeaders()

Return:

Public dashboard

{
  Authorization: "Bearer receivedJWTToken",
  Content-type: "application/json"
}

Private dashboard

openDrawer

Arguments: options: Object [Mandatory] => An object containing the content's URL and the drawer's width in pixels:

{
    url: "https://url.com",
    width: 500 // Read as 500px
}

Signature:

ubidots.openDrawer(
    {
        url: "https://some-url",
        width: <width>
    }
);

Return: None

setDashboardDevices

Arguments: deviceIds: string [Mandatory] ⇒ Comma-separated string with the IDs of the devices you want to set.

"<device-1-id>,~<device-2-label>,<...>"

Signature: ubidots.setDashboardDevices(<deviceIds>)

Return: None

setDashboardDateRange

Arguments: timeframe: Object [Mandatory] => An object containing the start and end timestamps:

{
    "startTime": 1642282088000,
    "endTime": 1673818088000
}

Signature: ubidots.setDashboardDateRange(<timeframe>)

Return: None

setRealTime

Arguments: rt: Bool [Mandatory] => A boolean indicating whether real-time updates are enabled.

Signature: ubidots.setRealTime(<rt>)

Return: None

refreshDashboard

Arguments: None

Signature: ubidots.refreshDashboard()

Return: None

setFullScreen

Arguments: screenSetting: string(toggle | enable | disabled) [Mandatory] => A string representing the full-screen setting.

Signature: ubidots.setFullScreen(<screenSetting>)

Return: None

setDashboardLayer

Arguments:

• layer: string [Mandatory] ⇒ layer ID or label.

  • Use ID as a plain string: "6926000dcb198b4d10067b58"

  • Use label prefixed with ~: "~Layer-2"

• queryParams: Object [Optional] ⇒ An object where each key/value pair will be added as a query param.

  • Allowed value types: string | number | boolean

  • Arrays are NOT allowed. If you need multiple values, pass a comma-separated string, e.g. "id1,id2,id3"