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| This page will describe the various improvements and bugs solving that are being planned for 1.7 release.
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| I almost suceed in developping a "cloze" version of the calculated question with a lot of interesting features.
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| However the actual calculated qusetion needs more basic improvements or bug solving.
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| I will list here the order in which I propose to solve them.
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| I have already a working solution for most of the following items although each of them need to be tested before porting in the Moodle code.
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| ==Removing old code==
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| There is a quite large number of code older that 1.5 that is always present in the
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| calculated/questiontype.php or datasetdependet/abstractype.php
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| some already as comments in abstractype.php line 374-483
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| /*
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| function save_question($question, &$form, $course) {
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| ----
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| }
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| return true;
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| }
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| */
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| and the function line 140 of questiontype.php
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| function create_runtime_question($question, $form) {
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| $question = parent::create_runtime_question($question, $form);
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| $question->options->answers = array();
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| foreach ($form->answers as $key => $answer) {
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| $a->answer = trim($form->answer[$key]);
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| $a->tolerance = $form->tolerance[$key];
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| $a->tolerancetype = $form->tolerancetype[$key];
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| $a->correctanswerlength = $form->correctanswerlength[$key];
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| $a->correctanswerformat = $form->correctanswerformat[$key];
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| $question->options->answers[] = clone($a);
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| }
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| return $question;
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| }
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| the question = parent::create_runtime_question($question, $form);
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| i.e datasetdependet/abstractype.php/create_runtime_question($question, $form); is already
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| as comments as just described (lines 432-463).
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| A search in Moodle_15_STABLE, Moodle_16_STABLE and Moodle_17_STABLE shows that this function is no more used.
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| the function (lines 155-199) of questiontype.php is no more used
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| function validate_form($form) {
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| switch($form->wizardpage) {
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| case 'question':
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| -----
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| default:
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| return parent::validate_form($form);
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| break;
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| }
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| return true;
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| }
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| as the parent::validate_form($form); i.e. abstractype.php/validate_form($form);
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| the call to these functions line 211 of abstractype is already a comment
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| // $this->validate_form($form);
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| this is true also for Moodle_15_STABLE.
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| So ALL these function were removed either in calculated/questiontype.php or datasetdependet/abstractype.php.
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| ==Management of datasets shareable over a category==
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| ===Bad choice of data item number when generating a question [http://tracker.moodle.org/browse/MDL-6777 MDL-6777]===
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| The calculated question allow to define datasets variable (i.e. {a}) that could be common to questions from the same category.
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| This NEVER work correctly because you can define a common variable say {b} in question 1 , create say 6 data items.
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| Create a question 2 that will use the same common {b} in another equation (ex. {cb}+{c}.
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| You then create a number of datasets for example 2 dataitems so question 2 will have 2 new {c} data items and will use 2 {b} common dataitems
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| When you will attempt question 2, the actual code will choose the data item number between 6 and 1 so most often the question will retrun with an error. There is a solution and with some simple testing it could be coded in 1.7, 1.6 and even 1.5 (with change in the table names (i.e. question_datasets to quiz_question_datasets ).
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| See details notes in[[Calculated question validating the datasets]]
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| === Adding a table showing the available datasets in the category.===
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| There is no place where this information is available, you just need to memorize it!
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| This table should be shown in the 3 steps
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| *Step1 When you write the question and equations
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| *Step2 When you decide to use or not a shareable dataset
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| *Step3 When you add data items, the table showing you the number of dataitems already in the shareable datasets that you used.
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| The first proposal diplay all the shareable datasets in the category .[http://www.chimie.uqam.ca/images/0610/alongname.jpg example]
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| But we could restrict to the one used by the question in the step3
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| ===Saving datasets and generating default data items by default when sang questions===
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| The actual calculated question creation process is a 3 steps process and nothin is saved until you create a first dataitem.
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| However when you edit a question '''everything'''is saved at each of the 3 steps.
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| So the proposals are in this order
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| ====Saving the data sets after step 1====
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| Use and modify the actual functions so that
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| #default datasets specific to this question (i.e. dataset_definitions->category set to 0) are generated.If the user at step 2 change his mind to shareable datasets the actual code will change it correctly as when editing an exiting question.
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| # Generate a data item is on the fly is the question is used before the user do the 3 steps process. A Notify should be done so that qhen testing the question or the quiz the user see the problem.
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| ==Should we create a status parameter in question table?==
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| This status could be used to warn the user when he access the questions display by the showbank.php.
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| The status could contains warnings, errors or nothing (i.e. OK) and be modified when saving question or question options.
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| ==Adding multi answer capability to calculated question==
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| Integrating the numerical question code.
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| ==Coding a more general solution to moving questions to another category.==
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| Actually ( up to 1.7 HEAD moving questions to another category is done in showbank.php.
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| See [[Calculated_question_development#Moving_calculated_questions_to_another_category]].
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| This apply also to other complex questiontypes like cloze (i.e. multianswer) type.
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| ==Creating a cloze version of calculated question==
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| The actual prototype allows to edit up to 5 subquestions as illustrated by this prewiew[http://www.chimie.uqam.ca/images/first.jpg]
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| ==Creating a subquestions interface in the actual cloze question ==
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| Following the work done on calculated question cloze version.
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