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/mod/workshop/form/accumulative/ -> lib.php (source)

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This file defines a class with accumulative grading strategy logic

Copyright: 2009 David Mudrak <david.mudrak@gmail.com>
License: http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
File Size: 595 lines (24 kb)
Included or required:0 times
Referenced: 1 time
Includes or requires: 3 files
 mod/workshop/form/accumulative/assessment_form.php
 mod/workshop/form/accumulative/edit_form.php
 mod/workshop/form/lib.php

Defines 1 class

workshop_accumulative_strategy:: (18 methods):
  __construct()
  get_edit_strategy_form()
  save_edit_strategy_form()
  get_assessment_form()
  save_assessment()
  form_ready()
  get_assessments_recordset()
  get_dimensions_info()
  scale_used()
  delete_instance()
  load_fields()
  prepare_form_fields()
  delete_dimensions()
  prepare_database_fields()
  get_current_assessment_data()
  update_peer_grade()
  calculate_peer_grade()
  scale_to_grade()

Defines 18 functions

  workshopform_accumulative_pluginfile()

Class: workshop_accumulative_strategy  - X-Ref

Accumulative grading strategy logic.

__construct(workshop $workshop)   X-Ref
Constructor

param: workshop $workshop The workshop instance record
return: void

get_edit_strategy_form($actionurl=null)   X-Ref
Factory method returning an instance of an assessment form editor class

param: $actionurl URL of form handler, defaults to auto detect the current url

save_edit_strategy_form(stdclass $data)   X-Ref
Save the assessment dimensions into database

Saves data into the main strategy form table. If the record->id is null or zero,
new record is created. If the record->id is not empty, the existing record is updated. Records with
empty 'description' field are removed from database.
The passed data object are the raw data returned by the get_data().

param: stdClass $data Raw data returned by the dimension editor form
return: void

get_assessment_form(moodle_url $actionurl=null, $mode='preview', stdclass $assessment=null, $editable=true, $options=array()   X-Ref
Factory method returning an instance of an assessment form

param: moodle_url $actionurl URL of form handler, defaults to auto detect the current url
param: string $mode          Mode to open the form in: preview/assessment
param: stdClass $assessment  The current assessment
param: bool $editable
param: array $options

save_assessment(stdclass $assessment, stdclass $data)   X-Ref
Saves the filled assessment

This method processes data submitted using the form returned by {@link get_assessment_form()}

param: stdClass $assessment Assessment being filled
param: stdClass $data       Raw data as returned by the assessment form
return: float|null          Raw grade (0.00000 to 100.00000) for submission as suggested by the peer

form_ready()   X-Ref
Has the assessment form been defined and is ready to be used by the reviewers?

return: boolean

get_assessments_recordset($restrict=null)   X-Ref


get_dimensions_info()   X-Ref


scale_used($scaleid, $workshopid=null)   X-Ref
Is a given scale used by the instance of workshop?

param: int $scaleid id of the scale to check
param: int|null $workshopid id of workshop instance to check, checks all in case of null
return: bool

delete_instance($workshopid)   X-Ref
Delete all data related to a given workshop module instance

param: int $workshopid id of the workshop module instance being deleted
return: void

load_fields()   X-Ref
Loads the fields of the assessment form currently used in this workshop

return: array definition of assessment dimensions

prepare_form_fields(array $raw)   X-Ref
Maps the dimension data from DB to the form fields

param: array $raw Array of raw dimension records as returned by {@link load_fields()}
return: array Array of fields data to be used by the mform set_data

delete_dimensions(array $ids)   X-Ref
Deletes dimensions and removes embedded media from its descriptions

todo we may check that there are no assessments done using these dimensions and probably remove them

param: array $masterids
return: void

prepare_database_fields(stdclass $raw)   X-Ref
Prepares data returned by {@link workshop_edit_accumulative_strategy_form} so they can be saved into database

It automatically adds some columns into every record. The sorting is
done by the order of the returned array and starts with 1.
Called internally from {@link save_edit_strategy_form()} only. Could be private but
keeping protected for unit testing purposes.

param: stdClass $raw Raw data returned by mform
return: array Array of objects to be inserted/updated in DB

get_current_assessment_data(stdclass $assessment)   X-Ref
Returns the list of current grades filled by the reviewer indexed by dimensionid

param: stdClass $assessment Assessment record
return: array [int dimensionid] => stdclass workshop_grades record

update_peer_grade(stdclass $assessment)   X-Ref
Aggregates the assessment form data and sets the grade for the submission given by the peer

param: stdClass $assessment Assessment record
return: float|null          Raw grade (from 0.00000 to 100.00000) for submission as suggested by the peer

calculate_peer_grade(array $grades)   X-Ref
Calculates the aggregated grade given by the reviewer

param: array $grades Grade records as returned by {@link get_current_assessment_data}
return: float|null   Raw grade (from 0.00000 to 100.00000) for submission as suggested by the peer

scale_to_grade($scaleid, $item)   X-Ref
Convert scale grade to numerical grades

In accumulative grading strategy, scales are considered as grades from 0 to M-1, where M is the number of scale items.

param: string $scaleid Scale identifier
param: int    $item    Selected scale item number, numbered 1, 2, 3, ... M
return: float

Functions
Functions that are not part of a class:

workshopform_accumulative_pluginfile($course, $cm, $context, $filearea, array $args, $forcedownload, array $options=array()   X-Ref
Server workshop files

param: stdClass $course course object
param: stdClass $cm course module object
param: stdClass $context context object
param: string $filearea file area
param: array $args extra arguments
param: bool $forcedownload whether or not force download
param: array $options additional options affecting the file serving
return: bool