presentation-mediator

Augmented.js Presentation Mediator Module

API

Table of Contents

• Mediator
  • Parameters
  • delegateEvents
    • Parameters
  • undelegateEvents
    • Parameters
  • subscriptions
    • Properties
  • unsetSubscriptions
    • Parameters
  • observeColleague
    • Parameters
  • observeColleagueAndTrigger
    • Parameters
  • dismissColleague
    • Parameters
  • dismissColleagueTrigger
    • Parameters
  • subscribe
    • Parameters
  • publish
    • Parameters
  • unsubscribe
    • Parameters
  • subscribeOnce
    • Parameters
  • getColleagues
    • Parameters
  • channels
    • Properties
  • getChannel
    • Parameters
  • defaultChannel
    • Properties
  • defaultIdentifier
    • Properties
• Colleague
  • Parameters
  • sendMessage
    • Parameters
  • setMediatorMessageQueue
    • Parameters
  • removeMediatorMessageQueue
  • mediator
    • Properties

Mediator

Extends Colleague

Mediator View - The mediator in the Mediator Pattern
The mediator defines the interface for communication between colleague views. Loose coupling between colleague objects is achieved by having colleagues communicate with the Mediator, rather than with each other.

[Mediator]

Parameters

• options object Options to set

delegateEvents

Extend delegateEvents() to set subscriptions

Parameters

• events
• event array The events to undelegate

Returns array the events

undelegateEvents

Extend undelegateEvents() to unset subscriptions

Parameters

• events
• event array The events to undelegate

Returns array the events

subscriptions

Subscriptions

Properties

• subscriptions array

unsetSubscriptions

Unsubscribe to each subscription

Parameters

• subscriptions Object An optional hash of subscription to remove

Returns array subscriptions

observeColleague

Observe a Colleague View - observe a Colleague and add to a channel

Parameters

• colleague Colleague The Colleague to observe
• callback function The callback to call for this colleague
• channel string The Channel to add the pubished events to
• identifier string The identifier for this function

Returns string The identifier

observeColleagueAndTrigger

Observe a Colleague View - observe a Colleague and add to a channel and auto trigger events

Parameters

• colleague Colleague The Colleague to observe
• channel string The Channel to add the pubished events to
• identifier string The identifier for this function

Returns string The identifier

dismissColleague

Dismiss a Colleague View - Remove a Colleague from the channel

Parameters

• colleague Presentation.Colleague The Colleague to observe
• callback function The callback to call on channel event
• channel string The Channel events are pubished to
• identifier string The identifier for this function

Returns string The identifier

dismissColleagueTrigger

Dismiss a Colleague View - Remove a Colleague from the channel that has an auto trigger

Parameters

• colleague Colleague The Colleague to observe
• channel string The Channel events are pubished to
• identifier string The identifier for this function

Returns string The identifier

subscribe

Subscribe to a channel

Parameters

• channel string The Channel events are pubished to
• callback function The callback to call on channel event
• context object The context (or 'this')
• once boolean Toggle to set subscribe only once
• identifier string The identifier for this function

Returns string The identifier

publish

Trigger all callbacks for a channel

Parameters

• channel string The Channel events are pubished to
• args ...any
• N object Extra parameter to pass to handler

Returns string The channel

unsubscribe

Cancel subscription

Parameters

• channel string The Channel events are pubished to
• callback function The function callback registered (unused)
• context object The context (or 'this')
• identifier string The identifier for this function

Returns string The channel

subscribeOnce

Subscribing to one event only

Parameters

• channel string The Channel events are pubished to
• subscription string The subscription to subscribe to
• context object The context (or 'this')
• identifier string The identifier for this function

Returns string The identifier

getColleagues

Get All the Colleagues for a channel

Parameters

• channel string The Channel events are pubished to

Returns array The colleagues for a channel

channels

Property for Channels

Properties

• channels array

getChannel

Get a specific channel

Parameters

• channel string The Channel events are pubished to

Returns array Returns the requested channel or null if nothing exists

defaultChannel

Get the default channel
Convenience method for _.channel = null;

Properties

• Returns array the default channel or null if nothing exists

defaultIdentifier

Get the default identifier

Properties

• Returns string the default identifier

Colleague

Extends View

Colleague View — The 'child' view.
The Colleague communicates with other Colleagues through its Mediator.
Supported options:</br/>

• mediator - A mediator for this view

Parameters

• options object Options to pass

sendMessage

Send a message to the mediator's queue

Parameters

• message string Message to send
• data object Data to send with message

Returns string Message sent

setMediatorMessageQueue

Set the mediator to this colleague

Parameters

• mediator Mediator The mediator

Returns Mediator The mediator

Meta

• deprecated: set with: this.mediator = ...

removeMediatorMessageQueue

Remove the mediator from this colleague

Returns boolean true

mediator

Property of the mediator

Properties

• mediator Mediator