qtype_truefalse_edit_form Class Reference

True-false question editing form definition. More...

Inheritance diagram for qtype_truefalse_edit_form:

Public Member Functions
	_process_submission ($method)
	Internal method.
	_validate_files (&$files)
	Internal method.
	add_action_buttons ($cancel=true, $submitlabel=null)
	Use this method to a cancel and submit button to the end of your form.
	add_checkbox_controller ($groupid, $text=null, $attributes=null, $originalValue=0)
	Adds a link/button that controls the checked state of a group of checkboxes.
	add_sticky_action_buttons (bool $cancel=true, ?string $submitlabel=null)
	Use this method to make a sticky submit/cancel button at the end of your form.
	data_preprocessing ($question)
	Perform an preprocessing needed on the data passed to set_data() before it is used to initialise the form.
	definition_after_data ()
	Tweak the form with values provided by custom fields in use.
	display ()
	Print html form.
	filter_shown_headers (array $shownonly)
	Use this method to indicate that the fieldsets should be shown as expanded and all other fieldsets should be hidden.
	focus ($name=NULL)
	To autofocus on first form element or first element with error.
	get_data ()
	Return submitted data if properly submitted or returns NULL if validation fails or if there is no submitted data.
	get_file_content ($elname)
	Get content of uploaded file.
	get_new_filename ($elname=null)
	Returns name of uploaded file.
	get_submitted_data ()
	Return submitted data without validation or NULL if there is no submitted data.
	init_javascript_enhancement ($element, $enhancement, array $options=array(), array $strings=null)
	Adds an initialisation call for a standard JavaScript enhancement.
	is_cancelled ()
	Return true if a cancel button has been pressed resulting in the form being submitted.
	is_submitted ()
	Check that form was submitted.
	is_validated ()
	Check that form data is valid.
	moodleform ($action=null, $customdata=null, $method='post', $target='', $attributes=null, $editable=true)
	Old syntax of class constructor.
	no_submit_button_pressed ()
	Checks if button pressed is not for submitting the form.
	optional_param ($name, $default, $type)
	Checks if a parameter was passed in the previous form submission.
	qtype ()
	Override this in the subclass to question type name.
	render ()
	Renders the html form (same as display, but returns the result).
	repeat_elements ($elementobjs, $repeats, $options, $repeathiddenname, $addfieldsname, $addfieldsno=5, $addstring=null, $addbuttoninside=false, $deletebuttonname='')
	Method to add a repeating group of elements to a form.
	repeat_elements_fix_clone ($i, $elementclone, &$namecloned)
	Helper used by repeat_elements().
	save_file ($elname, $pathname, $override=false)
	Save file to standard filesystem.
	save_files ($destination)
	Save verified uploaded files into directory.
	save_stored_file ($elname, $newcontextid, $newcomponent, $newfilearea, $newitemid, $newfilepath='/', $newfilename=null, $overwrite=false, $newuserid=null)
	Save file to local filesystem pool.
	save_temp_file ($elname)
	Returns a temporary file, do not forget to delete after not needed any more.
	set_data ($question)
	Load in existing data as form defaults.
	set_display_vertical ()
	Set display mode for the form when labels take full width of the form and above the elements even on big screens.
	set_initial_dirty_state ($state=false)
	Set the initial 'dirty' state of the form.
	validate_defined_fields ($validateonnosubmit=false)
	Validate the form.
	validation ($fromform, $files)
	Dummy stub method - override if you needed to perform some extra validation.

Static Public Member Functions
static	get_js_module ()
	Returns a JS module definition for the mforms JS.
static	mock_ajax_submit ($simulatedsubmitteddata, $simulatedsubmittedfiles=array(), $method='post', $formidentifier=null)
	Used by tests to simulate submitted form data submission via AJAX.
static	mock_generate_submit_keys ($data=[])
	Used by tests to generate valid submit keys for moodle forms that are submitted with ajax data.
static	mock_submit ($simulatedsubmitteddata, $simulatedsubmittedfiles=array(), $method='post', $formidentifier=null)
	Used by tests to simulate submitted form data submission from the user.

Public Attributes
object	$context
	current context
array	$editoroptions
	html editor options
array	$fileoptions
	options to preapre draft area
object	$instance
	instance of question type
const	DEFAULT_NUM_HINTS = 2

Protected Member Functions
	_get_post_params ()
	Internal method - should not be used anywhere.
	add_combined_feedback_fields ($withshownumpartscorrect=false)
	add_hidden_fields ()
	Add all the hidden form fields used by question/question.php.
	add_interactive_settings ($withclearwrong=false, $withshownumpartscorrect=false)
	add_per_answer_fields (&$mform, $label, $gradeoptions, $minoptions=QUESTION_NUMANS_START, $addoptions=QUESTION_NUMANS_ADD)
	Add a set of form fields, obtained from get_per_answer_fields, to the form, one for each existing answer, with some blanks for some new ones.
	add_tag_fields ($mform)
	Add the tag and course tag fields to the mform.
	after_definition ()
	After definition hook.
	can_preview ()
	Is the question being edited in a state where it can be previewed?
	data_preprocessing_answers ($question, $withanswerfiles=false)
	Perform the necessary preprocessing for the fields added by add_per_answer_fields().
	data_preprocessing_combined_feedback ($question, $withshownumcorrect=false)
	Perform the necessary preprocessing for the fields added by add_combined_feedback_fields().
	data_preprocessing_extra_answer_field ($answer, $field)
	Perfmorm preprocessing for particular extra answer field.
	data_preprocessing_extra_answer_fields ($question, $extraanswerfields)
	Perform the necessary preprocessing for the extra answer fields.
	data_preprocessing_hints ($question, $withclearwrong=false, $withshownumpartscorrect=false)
	Perform the necessary preprocessing for the hint fields.
	definition ()
	Build the form definition.
	definition_inner ($mform)
	Add question-type specific form fields.
	get_array_value_by_keys (array $array, array $keys)
	Returns an element of multi-dimensional array given the list of keys.
	get_default_value (string $name, $default)
	Return default value for a given form element either from user_preferences table or $default.
	get_draft_files ($elname)
	Get draft files of a form element This is a protected method which will be used only inside moodleforms.
	get_form_identifier ()
	It should returns unique identifier for the form.
	get_hint_fields ($withclearwrong=false, $withshownumpartscorrect=false)
	Create the form elements required by one hint.
	get_more_choices_string ()
	Language string to use for 'Add {no} more {whatever we call answers}'.
	get_non_collabsible_editor_options ()
	Returns an array of editor options with collapsed options turned off.
	get_per_answer_fields ($mform, $label, $gradeoptions, &$repeatedoptions, &$answersoption)
	Get the list of form elements to repeat, one for each answer.
	validate_draft_files ()
	Internal method.

Protected Attributes
array	$_ajaxformdata
	submitted form data when using mforms with ajax
mixed	$_customdata
	globals workaround
object	$_definition_finalized = false
	definition_after_data executed flag
MoodleQuickForm	$_form
	quickform object definition
string	$_formname
	name of the form
bool null	$_validated = null
	stores the validation result of this form or null if not yet validated
	$category
	$categorycontext
	$contexts
object	$customfieldhandler
	instance of custom field
bool	$customfieldpluginenabled = true
	custom field plugin enabled or disabled
object	$question
	Question object with options and answers already loaded by get_question_options Be careful how you use this it is needed sometimes to set up the structure of the form in definition_inner but data is always loaded into the form with set_data.

Static Protected Attributes
static int	$uniqueid = 0
	Unique identifier to be used for action buttons.

Detailed Description

True-false question editing form definition.

Copyright

2007 Jamie Pratt

License

http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Member Function Documentation

add_per_answer_fields()

question_edit_form::add_per_answer_fields ( & $mform, $label, $gradeoptions, $minoptions = QUESTION_NUMANS_START, $addoptions = QUESTION_NUMANS_ADD )

protectedinherited

Add a set of form fields, obtained from get_per_answer_fields, to the form, one for each existing answer, with some blanks for some new ones.

Parameters

object	$mform	the form being built.
	$label	the label to use for each option.
	$gradeoptions	the possible grades for each answer.
	$minoptions	the minimum number of answer blanks to display. Default QUESTION_NUMANS_START.
	$addoptions	the number of answer blanks to add. Default QUESTION_NUMANS_ADD.

add_tag_fields()

question_edit_form::add_tag_fields ( $mform )

protectedinherited

Add the tag and course tag fields to the mform.

If the form is being built in a course context then add the field for course tags.

If the question category doesn't belong to a course context or we aren't editing in a course context then add the tags element to allow tags to be added to the question category context.

Parameters

object

$mform

The form being built

can_preview()

question_edit_form::can_preview ( )

protectedinherited

Is the question being edited in a state where it can be previewed?

Return values

bool	whether to show the preview link.

Reimplemented in qtype_calculated_edit_form, qtype_calculatedmulti_edit_form, and qtype_calculatedsimple_edit_form.

data_preprocessing()

qtype_truefalse_edit_form::data_preprocessing

(

$question

)

Perform an preprocessing needed on the data passed to set_data() before it is used to initialise the form.

Parameters

object

$question

the data being passed to the form.

Return values

object\$question

the modified data.

Reimplemented from question_edit_form.

data_preprocessing_answers()

question_edit_form::data_preprocessing_answers ( $question, $withanswerfiles = false )

protectedinherited

Perform the necessary preprocessing for the fields added by add_per_answer_fields().

Parameters

object

$question

the data being passed to the form.

Return values

object\$question

the modified data.

Reimplemented in qtype_calculated_edit_form, qtype_calculatedmulti_edit_form, and qtype_numerical_edit_form.

data_preprocessing_combined_feedback()

question_edit_form::data_preprocessing_combined_feedback ( $question, $withshownumcorrect = false )

protectedinherited

Perform the necessary preprocessing for the fields added by add_combined_feedback_fields().

Parameters

object

$question

the data being passed to the form.

Return values

object\$question

the modified data.

data_preprocessing_extra_answer_field()

question_edit_form::data_preprocessing_extra_answer_field ( $answer, $field )

protectedinherited

Perfmorm preprocessing for particular extra answer field.

Questions with non-trivial DB - form element relationship will want to override this.

Parameters

object	$answer	an answer object to get extra field from.
string	$field	extra answer field name.

Return values

field

value to be set to the form.

data_preprocessing_extra_answer_fields()

question_edit_form::data_preprocessing_extra_answer_fields ( $question, $extraanswerfields )

protectedinherited

Perform the necessary preprocessing for the extra answer fields.

Questions that do something not trivial when editing extra answer fields will want to override this.

Parameters

object	$question	the data being passed to the form.
array	$extraanswerfields	extra answer fields (without table name).

Return values

object\$question

the modified data.

data_preprocessing_hints()

question_edit_form::data_preprocessing_hints ( $question, $withclearwrong = false, $withshownumpartscorrect = false )

protectedinherited

Perform the necessary preprocessing for the hint fields.

Parameters

object

$question

the data being passed to the form.

Return values

object\$question

the modified data.

Reimplemented in qtype_ddmarker_edit_form.

definition()

question_edit_form::definition ( )

protectedinherited

Build the form definition.

This adds all the form fields that the default question type supports. If your question type does not support all these fields, then you can override this method and remove the ones you don't want with $mform->removeElement().

Reimplemented from moodleform.

Reimplemented in qtype_random_edit_form.

definition_after_data()

question_edit_form::definition_after_data ( )

inherited

Tweak the form with values provided by custom fields in use.

Reimplemented from moodleform.

definition_inner()

qtype_truefalse_edit_form::definition_inner ( $mform )

protected

Add question-type specific form fields.

Parameters

object

$mform

the form being built.

Reimplemented from question_edit_form.

get_default_value()

question_edit_form::get_default_value ( string $name, $default )

protectedinherited

Return default value for a given form element either from user_preferences table or $default.

To make use of user_preferences in your qtype default settings, you need to replace $mform->setDefault({elementname}, {defaultvalue}); in edit_{qtypename}_form.php with $mform->setDefault({elementname}, $this->get_default_value({elementname}, {defaultvalue}));

Parameters

string	$name	the name of the form field.
mixed	$default	default value.

Return values

string|null

default value for a given form element.

get_hint_fields()

question_edit_form::get_hint_fields ( $withclearwrong = false, $withshownumpartscorrect = false )

protectedinherited

Create the form elements required by one hint.

Parameters

string	$withclearwrong	whether this quesiton type uses the 'Clear wrong' option on hints.
string	$withshownumpartscorrect	whether this quesiton type uses the 'Show num parts correct' option on hints.

Return values

array

form field elements for one hint.

Reimplemented in qtype_ddmarker_edit_form, and qtype_multichoice_edit_form.

get_more_choices_string()

question_edit_form::get_more_choices_string ( )

protectedinherited

Language string to use for 'Add {no} more {whatever we call answers}'.

Reimplemented in qtype_match_edit_form, qtype_numerical_edit_form, and qtype_shortanswer_edit_form.

get_non_collabsible_editor_options()

question_edit_form::get_non_collabsible_editor_options ( )

protectedinherited

Returns an array of editor options with collapsed options turned off.

Deprecated

since 2.6

Return values

array

get_per_answer_fields()

question_edit_form::get_per_answer_fields ( $mform, $label, $gradeoptions, & $repeatedoptions, & $answersoption )

protectedinherited

Get the list of form elements to repeat, one for each answer.

Parameters

object	$mform	the form being built.
	$label	the label to use for each option.
	$gradeoptions	the possible grades for each answer.
	$repeatedoptions	reference to array of repeated options to fill
	$answersoption	reference to return the name of $question->options field holding an array of answers

Return values

array

of form fields.

Reimplemented in qtype_calculated_edit_form, qtype_calculatedmulti_edit_form, qtype_match_edit_form, qtype_multichoice_edit_form, and qtype_numerical_edit_form.

qtype()

qtype_truefalse_edit_form::qtype

(

)

Override this in the subclass to question type name.

Return values

the	question type name, should be the same as the name() method in the question type class.

Reimplemented from question_edit_form.

set_data()

question_edit_form::set_data ( $default_values )

inherited

Load in existing data as form defaults.

Usually new entry defaults are stored directly in form definition (new entry form); this function is used to load in data where values already exist and data is being edited (edit entry form).

note: $slashed param removed

Parameters

stdClass | array

$default_values

object or array of default values

Reimplemented from moodleform.

Reimplemented in qtype_missingtype_edit_form, qtype_multianswer_edit_form, and qtype_random_edit_form.

validation()

question_edit_form::validation ( $data, $files )

inherited

Dummy stub method - override if you needed to perform some extra validation.

If there are errors return array of errors ("fieldname"=>"error message"), otherwise true if ok.

Server side rules do not work for uploaded files, implement serverside rules here if needed.

Parameters

array	$data	array of ("fieldname"=>value) of submitted data
array	$files	array of uploaded files "element_name"=>tmp_file_path

Return values

array

of "element_name"=>"error_description" if there are errors, or an empty array if everything is OK (true allowed for backwards compatibility too).

Reimplemented from moodleform.

Reimplemented in qtype_calculated_edit_form, qtype_calculatedmulti_edit_form, qtype_calculatedsimple_edit_form, qtype_ddimageortext_edit_form, qtype_ddmarker_edit_form, qtype_essay_edit_form, qtype_gapselect_edit_form_base, qtype_match_edit_form, qtype_missingtype_edit_form, qtype_multianswer_edit_form, qtype_multichoice_edit_form, qtype_numerical_edit_form, qtype_random_edit_form, qtype_randomsamatch_edit_form, and qtype_shortanswer_edit_form.

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The documentation for this class was generated from the following file:

• question/type/truefalse/edit_truefalse_form.php