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content_annotations

Requirement

Annotations are simply marks and notes created on top of a document in order to give users the possibility to interact with the document while preserving the original document.

Design

The annotation is implemented using the Flexpaper viewer with annotations plugin. The annotation plugin generates specifics events which can be captures using the javascript api provided by them.

onMarkCreated - This javascript function would get called when a new note is created.

onMarkChanged - This api would get called when a note's content gets changed. This event is used to add/update the node into the Database. a 5sec delay in calling this api (as per the desing of the api).

Table name - annotations

Column_name type Description
id integer primary key
content text content in the annotation
owner_id integer who created this annotation
page_index integer document page no where the annotation is
position_x inter x cordinate value
postion_y integer y cordinate value
width integer width of the note
height integer height of the note
created_at date_time created date
updated_at date_timeupdated date
asset_id integer foreign key to the assets table.
content_annotations.txt · Last modified: 2018/08/31 16:16 (external edit)