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Developer Documentation
- Bug fixes for general core bugs in 4.2.x will end 22 April 2024 (12 months).
- Bug fixes for security issues in 4.2.x will end 7 October 2024 (18 months).
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/question/type/ddmarker/ -> question.php (source)
Drag-and-drop markers question definition class.
| Copyright: | 2012 The Open University |
| License: | http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later |
| File Size: | 509 lines (18 kb) |
| Included or required: | 0 times |
| Referenced: | 0 times |
| Includes or requires: | 0 files |
Defines 3 classes
qtype_ddmarker_question:: (24 methods):
check_file_access()
choice()
get_expected_data()
is_complete_response()
is_gradable_response()
is_same_response()
arrays_same_at_key_integer()
array_intersect_fixed()
get_validation_error()
get_num_parts_right()
choose_hits()
total_number_of_items_dragged()
get_all_hits()
get_right_choice_for()
grade_response()
compute_final_grade()
clear_wrong_from_response()
get_wrong_drags()
get_drop_zones_without_hit()
classify_response()
get_correct_response()
get_right_answer_summary()
summarise_response()
get_random_guess_score()
qtype_ddmarker_drag_item:: (3 methods):
__construct()
choice_group()
summarise()
qtype_ddmarker_drop_zone:: (4 methods):
__construct()
summarise()
drop_hit()
correct_coords()
Class: qtype_ddmarker_question - X-Ref
Represents a drag-and-drop markers question.| check_file_access($qa, $options, $component, $filearea, $args, $forcedownload) X-Ref |
| No description |
| choice($choice) X-Ref |
| Get a choice identifier param: int $choice stem number return: string the question-type variable name. |
| get_expected_data() X-Ref |
| No description |
| is_complete_response(array $response) X-Ref |
| No description |
| is_gradable_response(array $response) X-Ref |
| No description |
| is_same_response(array $prevresponse, array $newresponse) X-Ref |
| No description |
| arrays_same_at_key_integer(array $array1, array $array2, $key) X-Ref |
| Tests to see whether two arrays have the same set of coords at a particular key. Coords can be in any order. param: array $array1 the first array. param: array $array2 the second array. param: string $key an array key. return: bool whether the two arrays have the same set of coords (or lack of them) |
| array_intersect_fixed($array1, $array2) X-Ref |
| This function is a variation of array_intersect that checks for the existence of duplicate array values too. param: array $array1 param: array $array2 return: bool whether array1 and array2 contain the same values including duplicate values author: dml at nm dot ru (taken from comments on php manual) |
| get_validation_error(array $response) X-Ref |
| No description |
| get_num_parts_right(array $response) X-Ref |
| No description |
| choose_hits(array $response) X-Ref |
| Choose hits to maximize grade where drop targets may have more than one hit and drop targets can overlap. param: array $response return: array chosen hits |
| total_number_of_items_dragged(array $response) X-Ref |
| No description |
| get_all_hits(array $response) X-Ref |
| Get's an array of all hits on drop targets. Needs further processing to find which hits to select in the general case that drop targets may have more than one hit and drop targets can overlap. param: array $response return: array all hits |
| get_right_choice_for($place) X-Ref |
| No description |
| grade_response(array $response) X-Ref |
| No description |
| compute_final_grade($responses, $totaltries) X-Ref |
| No description |
| clear_wrong_from_response(array $response) X-Ref |
| No description |
| get_wrong_drags(array $response) X-Ref |
| No description |
| get_drop_zones_without_hit(array $response) X-Ref |
| No description |
| classify_response(array $response) X-Ref |
| No description |
| get_correct_response() X-Ref |
| No description |
| get_right_answer_summary() X-Ref |
| No description |
| summarise_response(array $response) X-Ref |
| No description |
| get_random_guess_score() X-Ref |
| No description |
Class: qtype_ddmarker_drag_item - X-Ref
Represents one of the choices (draggable markers).| __construct($label, $no, $infinite, $noofdrags) X-Ref |
| Drag item object setup. param: string $label The label text of the drag item param: int $no Which number drag item this is param: bool $infinite True if the item can be used an unlimited number of times param: int $noofdrags |
| choice_group() X-Ref |
| Returns the group of this item. return: int |
| summarise() X-Ref |
| Creates summary text of for the drag item. return: string |
Class: qtype_ddmarker_drop_zone - X-Ref
Represents one of the places (drop zones).| __construct($no, $shape, $coords) X-Ref |
| Setup a drop zone object. param: int $no Which number drop zone this is param: int $shape Shape of the drop zone param: array $coords Coordinates of the zone |
| summarise() X-Ref |
| Creates summary text of for the drop zone return: string |
| drop_hit($xy) X-Ref |
| Indicates if the it coordinates are in this drop zone. param: array $xy Array of X and Y location return: bool |
| correct_coords() X-Ref |
| Gets the center point of this zone return: array X and Y location |
