SAGE2: image_viewer

Draw function, empty since the img tag is in the DOM

• date <Date>

  current time from the server

Handles event processing for the app

• eventType <String>

  the type of event

• position <Object>

  contains the x and y positions of the event

• user_id <Object>

  data about the user who triggered the event

• data <Object>

  object containing extra data about the event,

• date <Date>

  current time from the server

Init method, creates an 'img' tag in the DOM

• data <Object>

  contains initialization values (id, width, height, state, ...)

Load the app from a previous state

• date <Date>

  time from the server

Called through context menu. Starts a doodle app with this image.

• responseObject <Object>

  standard context values.

Move callback

• date <Date>

  current time from the server

Visibility callback, when app becomes locally visible or hidden. Called during preDraw

• visibility <Bool>

  became visible or hidden

Resize callback

• date <Date>

  current time from the server

Show / Hide EXIF overlay.

• responseObject <Object>

  contains response from entry selection

Parse JSON object and add colors

• json <Object>

  object containing metadata

Update the app from it's new state