Notifications

Notifications

A common framework for displaying notifications to the client. Submitted notifications are added to a queue, and up to 3 notifications are displayed at once. Each notification is displayed for 5 seconds at which point further notifications are pulled from the queue.

Constructor

new Notifications()

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Example
ui.notifications.info("This is an info message");
ui.notifications.warn("This is a warning message");
ui.notifications.error("This is an error message");
ui.notifications.info("This is a 4th message which will not be shown until the first info message is done");

Extends

Members

(static) defaultOptions

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_dragDrop :Array.<DragDrop>

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DragDrop workflow handlers which are active for this Application

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_element :jQuery

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An internal reference to the HTML element this application renders

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  • jQuery

_scrollPositions :Object|null

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Track the most recent scroll positions for any vertically scrolling containers

Type:
  • Object | null

_tabs :Array.<TabsV2>

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Tab navigation handlers which are active for this Application

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active :Array

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Notifications which are currently displayed

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appId :Number

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The application ID is a unique incrementing integer which is used to identify every application window drawn by the VTT

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element :jQuery|HTMLElement

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Return the active application element, if it currently exists in the DOM

Type:
  • jQuery | HTMLElement

id

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Return the CSS application ID which uniquely references this UI element

options :Object

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The options provided to this application upon initialization

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  • Object

popOut :boolean

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Control the rendering style of the application. If popOut is true, the application is rendered in its own wrapper window, otherwise only the inner app content is rendered

Type:
  • boolean

position :Object

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Track the current position and dimensions of the Application UI

Type:
  • Object

queue :Array

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Submitted notifications which are queued for display

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rendered :boolean

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Return a flag for whether the Application instance is currently rendered

Type:
  • boolean

template :string

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The path to the HTML template file which should be used to render the inner content of the app

Type:
  • string

title :string

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An Application window should define its own title definition logic which may be dynamic depending on its data

Type:
  • string

Methods

activateListeners(html)

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Once the HTML for an Application has been rendered, activate event listeners which provide interactivity for the application

Parameters:
Name Type Description
html jQuery

(async) close() → {Promise}

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Close the application and un-register references to it within UI mappings This function returns a Promise which resolves once the window closing animation concludes

Returns:
Type
Promise

error(message, options)

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Display a notification with the "error" type

Parameters:
Name Type Description
message string

The content of the notification message
options Object

Notification options passed to the notify function

getData() → {Object|Promise}

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An application should define the data object used to render its template. This function may either return an Object directly, or a Promise which resolves to an Object If undefined, the default implementation will return an empty object allowing only for rendering of static HTML

Returns:
Type
Object | Promise

info(message, options)

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Display a notification with the "info" type

Parameters:
Name Type Description
message string

The content of the notification message
options Object

Notification options passed to the notify function

initialize()

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Initialize the Notifications system by displaying any system-generated messages which were passed from the server.

(async) maximize() → {Promise}

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Maximize the pop-out window, expanding it to its original size Take no action for applications which are not of the pop-out variety or are already maximized

Returns:

A Promise which resolves to true once the maximization action has completed

Type
Promise

(async) minimize() → {Promise}

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Minimize the pop-out window, collapsing it to a small tab Take no action for applications which are not of the pop-out variety or apps which are already minimized

Returns:

A Promise which resolves to true once the minimization action has completed

Type
Promise

notify(message, type, permanent)

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Push a new notification into the queue

Parameters:
Name Type Default Description
message string

The content of the notification message
type string info

The type of notification, currently "info", "warning", and "error" are supported
permanent boolean

Whether the notification should be permanently displayed unless otherwise dismissed

render(force, options)

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Render the Application by evaluating it's HTML template against the object of data provided by the getData method If the Application is rendered as a pop-out window, wrap the contained HTML in an outer frame with window controls

Parameters:
Name Type Default Description
force Boolean false

Add the rendered application to the DOM if it is not already present. If false, the Application will only be re-rendered if it is already present.
options Object

Additional rendering options which are applied to customize the way that the Application is rendered in the DOM.

Properties
Name Type Description
left Number

The left positioning attribute
top Number

The top positioning attribute
width Number

The rendered width
height Number

The rendered height
scale Number

The rendered transformation scale
log Boolean

Whether to display a log message that the Application was rendered
renderContext String

A context-providing string which suggests what event triggered the render
renderData *

The data change which motivated the render request

setPosition(left, top, width, height, scale) → {Object}

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Set the application position and store it's new location.

Parameters:
Name Type Description
left number | null

The left offset position in pixels
top number | null

The top offset position in pixels
width number | null

The application width in pixels
height number | string | null

The application height in pixels
scale number | null

The application scale as a numeric factor where 1.0 is default
Returns:

The updated position object for the application containing the new values

Type
Object

warn(message, options)

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Display a notification with the "warning" type

Parameters:
Name Type Description
message string

The content of the notification message
options Object

Notification options passed to the notify function