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Dosya Düzenle: upgrade.txt

This files describes API changes for question type plugins.

=== 4.0.2, 4.1 ===

* There was one issue caused by the changes in Moodle 4.0 which requires changes in question types,
  and that is regrading. There are two new methods which some question types will need to implement,
   - validate_can_regrade_with_other_version
   - update_attempt_state_data_for_new_version
  these methods are introduced in this commit, and there are details PHPdoc comments about what they
  must do. Then the immediately following commits implement them in the core question types where
  they are required.
  Generally, you will need to implement one or both of these if you question type does something
  significant in the apply_attempt_state method. If you have not implemented that method, then
  almost certainly you don't need to worry about this.

=== 4.0 ===

* The major question bank changes should not affect most basic question type plugins.
  The navigation changes may affect Behat tests. If you encounter this,
  the best way to fix it is to use the new navigation steps in MDL-74130.

* The qualification 'most' is because some question types do more complex things, which
  will require changes related to question versionning. Some examples that come to mind:
   - the way qtype_mulitanswer (or qtype_combined) aggregates several sub-questions into a parent question.
   - the way some contrib plugins (e.g. qtype_stack, qtype_pmatch) store additional data (question tests)
     linked to questions. That relationship will need to be updated.

=== 3.11 ===

* Introducing the following \question_type base class methods to save/fetch the last form values
  that were used when creating questions as the new defaults when creating new questions:
  - \question_type::get_default_value()
    - Fetches the default value for a given question field from the user preference.
      Question type plugins can use this in edit_{qtypename}_form.php when using $mform->setDefault().
  - \question_type::set_default_value()
    - Saves the default value for a given question form field in the user preferences.
  - \question_type::save_defaults_for_new_questions()
    - Saves the question type plugin's defined form defaults into the user preferences.
      It calls \question_type::set_default_value() to save each form field default value
      into the user preferences.
    - Question type plugins using \question_type::get_default_value() for their form fields must implement
      this in order to save the values from these form fields as defaults for new questions.

This will help teachers who repeatedly create questions and use the same values for the fields
  (e.g. Default mark, Penalty for each incorrect try, etc.) in the question edit form.

=== 3.8 ===

* There is a new method for question types get_extra_question_bank_actions.
  Assuming the question bank display is using the new 'edit_menu_column'
  (which it will be by default) this method lets you add question-type-specific
  actions to the menu. The question_type base class has extensive PHPdoc comments
  on the method to explain what you should do, and there is an example of how to
  use it in a question type at
  https://github.com/moodleou/moodle-qtype_pmatch/commit/2aefa8b5dcc7bab768f4707a4ffb7befcf4c2540.

=== 3.8, 3.7.3, 3.6.7 ===

* Coming up in Moodle 3.8 are some changes to the question bank UI. These will break any
  Behat automated tests which use the common pattern
    When I click on "Duplicate" "link" in the "Test question" "table_row"
  to trigger actions on questions when looking at the question bank screen. Therefore,
  a new step has been introduced:
    When I choose "Duplicate" action for "Test question" in the question bank
  If you want your Behat tests to continue working with Moodle 3.8, you will need to use
  the new step. The new step has been back-ported, so you can start updating your tests
  and have them work with Moodle 3.6 and 3.7. In addition, if you want to trigger the
  "Edit" action, you should change that to "Edit question".

=== 3.5 ===

+ Added new classes backup_qtype_extrafields_plugin and restore_qtype_extrafields_plugin
   in order to use extra fields method in backup/restore question type. Require and inherit new classes for using it. See
   backup_qtype_shortanswer_plugin and restore_qtype_shortanswer_plugin for an example of using this.
  + The declaration of is_gradable_response has been moved from question_automatically_gradable to
   question_manually_gradable.
  + The default implementation of is_gradable_response has been moved from question_graded_automatically to
   question_with_responses.
  + Note that format_text() is no longer applied to the results of
   qtype_elements_embedded_in_question_text_renderer::embedded_element(). If question type overrides
   this method make sure you apply format_text() to any text that came from a user.

=== 3.1.5, 3.2.2, 3.3 ===

* If you are using check_combined_feedback_file_access in your check_file_access method,
  then you must now pass $args as the 4th argument, so the correct permission checks
  can be performed. If you don't, you will get a developer debug notice.

=== 3.1 ===

* The following functions, previously used (exclusively) by upgrade steps are not available
  anymore because of the upgrade cleanup performed for this version. See MDL-51580 for more info:
    - qtype_essay_convert_to_html()

=== 2.7 ===
  + We have added a new method to the question_type base class 'break_down_stats_and_response_analysis_by_variant'. By default it
   returns true. If your question type does not have variants of question instances then you can ignore this method as it only
   applies to question types that have variants. If a question type does have variants the default action is to break down
   response analysis and question stats by variant. But for some question types there might be an almost infinite quantity of
   variants for the question, in this case you can suppress break down by variant by returning false from this method. See for
   example the non-core question type varnumeric or the slightly more complex stack question type.
  + We have added a pair of methods to the question_definition class 'prepare_simulated_post_data' and
  'get_student_response_values_for_simulation'. You may want to override these methods in question.php in your question type plug
   -in. These methods are used to convert data from a csv file of simulated step data into the simulated post data that is fed
   to the question engine. These csv files can be used for unit testing or manual testing the use of your question type within the
   quiz module.  You  can use the simulate quiz report for manual testing and also to easily generate csv test files. You can
   run a number of students through a test and then download a csv file representing their interaction with the quiz. For most
   question types the default of just passing csv data as post data, directly from the csv file will probably work fine. But for
   certain question types where the meaning of the post data is deliberately obfuscated it might be necessary to convert from a
   human friendly format in the csv file to response data expected by the question type using 'prepare_simulated_post_data' and
   to convert back from a question type response array to values for download in a csv file using
   'get_student_response_values_for_simulation'.
=== 2.6 ===
  + The changes in MDL-32750 were reverted in favour of the new pdw toggle toolbars
    plugin for TinyMCE. The get_non_collapsible_editor_options method has been deprecated.

=== 2.5 ===

* There have been some tweaks to the helper class that is used to write
  walkthrough tests. You should not have to change your code, but you might
  like to take a look at some of the new helper methods available. In particular,
  if you had any code that did
  $this->process_submission(array('-finish' => 1));
  you should change that to
  $this->finish();

* There have been lots of usability improvements to the question editing forms.
  MDL-37417 links to all the changes. There are only a few API changes that
  *require* you to upgrade your question type, but you are strongly recommended
  to make similar usability improvements in your own question types.

+ Some of the ids used in the form HTML have had ‘id_’ added at the front.
    Take care if you refer to these in your JavasSript or CSS.

+ MDL-32750 The HTML editing tools are now collapsed. This is applied by default
    to all HTML editors except question text and general feedback. If you want to
    add more exceptions, see the get_non_collabsible_editor_options method.

+ Form fields have been grouped onto one line where appropriate, to reduce
    the height of the form. qtype_numerical is a good example of this.

+ Where elements are in groups, we have changed the normal accesshide CSS, so
    that their labels are visible. If you were using grouped elements in the past
    with static elements to lable the fields, then you will need to remove the statics.

+ All the choices / answers have been merged into a single section of the form.
    This works better with the new 'shortforms' MDL-30637. Also the
    "Add blanks for more ..." buttons are now inside that section. This probably
    requries that you remove any headings from your per-answer fields, and change
    some of the labels.

+ Having merged all the elements into one form section, we then used CSS to
    visually group the fields for one choice, answer, etc.

+ When editing an existing question, we only show as many repeats are are
    actually needed until the user clicks the "Add blanks for more ..." button.
    Where you have your own repeat elements, you may need to change the
    number of repeats calculation.

+ As with all forms, setType() is now required for all text form elements.

+ A good example of a question type being upgraded to take account of all these
    changes is
    https://github.com/moodleou/moodle-qtype_pmatch/commit/9d8e1beb9f780246416a0f3a7622f700b8fa90c8

=== 2.3.5 / 2.4.2 / 2.5 ===

* The special value question_attempt::PARAM_CLEANHTML_FILES that could be used
  in the get_expected_data method was renamed to question_attempt::PARAM_RAW_FILES
  in order to fix a bug. We failed to think this throught, and so did not realised
  that this might break some question types. If this affected your question type,
  please accept our apologies. Details in MDL-37847.

=== 2.3 ===

* Support for backwards-compatible string names dropped. MDL-30120. (See under 2.2 below.)
* If you are overriding export_to_xml and import_from_xml to provide Moodle XML format
  import and export, then you will probably get PHP strict syntax notices in developer
  debug mode until you change the method signature to include qformat_xml $format.
  That is, you need to specify the argument type.
* qtype_xxx_pluginfile() is now given the 7th parameter (hopefully the last
  one) that contains additional options for the file serving. The array should
  be re-passed to question_pluginfile() as is.

=== 2.2 ===

* The XML import/export base class has had some minor API changes. The
  - write_combined_feedback method now requires that you pass the questionid and
    contextid. (MDL-29058)
  - calls to the import_hints and import_answer methods now should pass the question
    text format as the last argument, to be used as a default if necessary. (MDL-29739)
  If you do not upgrade your code, it will not break, but there will be PHP
  warnings, and it the export will not work 100% correctly.

* The old
    public function requires_qtypes()
method is no more. Instead use the ->dependencies facility in version.php. E.g.
$plugin->dependencies = array(
    'qtype_numerical' => 2011102700,
);

* The plugin name and related strings used to be defined in language strings
called the same thing as the format, for example:

$string['addingdescription'] = 'Adding a Description';
$string['description'] = 'Description';
$string['description_help'] = 'A description is not really a question type. It simply enables text to be displayed without requiring any answers, similar to a label on the course page.
$string['description_link'] = 'A description is not really a question type. It simply enables text to be displayed without requiring any answers, similar to a label on the course page.
$string['descriptionsummary'] = 'This is not actually a question. Instead it is a way to add some instructions, rubric or other content to the activity. This is similar to the way that labels can be used to add content to the course page.';
$string['editingdescription'] = 'Editing a Description';

All these need to be changed to use the standard string name pluginname, as for
other plugin types, and similar for the other strings.

$string['pluginname'] = 'Description';
$string['pluginname_help'] = 'A description is not really a question type. It simply enables text to be displayed without requiring any answers, similar to a label on the course page.
$string['pluginname_link'] = 'A description is not really a question type. It simply enables text to be displayed without requiring any answers, similar to a label on the course page.
$string['pluginnameadding'] = 'Adding a Description';
$string['pluginnameediting'] = 'Editing a Description';
$string['pluginnamesummary'] = 'This is not actually a question. Instead it is a way to add some instructions, rubric or other content to the activity. This is similar to the way that labels can be used to add content to the course page.';

The old strings will continue to work, but only until Moodle 2.3 is released.

* If you are using the facilities provided by overriding the extra_answer_fields
  or questionid_column_name methods, then you must change these to be public
  methods. (This is required so that backup and restore can be made to work
  automatically. MDL-24408, MDL-25617, MDL-30562)

=== 2.1 ===

* Lots of API changes due to the new question engine. See
http://docs.moodle.org/dev/Developing_a_Question_Type#Converting_a_Moodle_2.0_question_type

=== 2.0 ===

* Lots of changes due to all the API changes in Moodle 2.0.

* This plugin type now supports cron in the standard way. If required, Create a
  lib.php file containing
function qtype_mypluginname_cron() {};

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