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211 lines
6.9 KiB
211 lines
6.9 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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function wikiplugin_exercise_info()
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{
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return [
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'name' => tra('Exercise'),
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'documentation' => tra('PluginExercise'),
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'description' => tra('Create an exercise/test with questions and grade'),
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'prefs' => ['wikiplugin_exercise'],
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'filter' => 'text',
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'format' => 'html',
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'iconname' => 'education',
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'introduced' => 9,
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'tags' => ['basic'],
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'params' => [
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'answer' => [
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'required' => false,
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'name' => tr('Answer'),
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'description' => tr('Used inline to specify the right answer to the question and propose an input field.'),
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'since' => '9.0',
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'filter' => 'text',
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],
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'incorrect' => [
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'required' => false,
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'name' => tr('Incorrect'),
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'description' => tr('Incorrect answer to suggest. Several incorrect answers can be suggested (separated by "+")'),
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'since' => '9.0',
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'filter' => 'text',
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],
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],
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];
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}
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function wikiplugin_exercise($data, $params)
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{
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static $nextId = 1;
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$smarty = TikiLib::lib('smarty');
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$smarty->loadPlugin('smarty_modifier_escape');
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$params = new JitFilter($params);
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$answer = $params->answer->text();
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if (isset(TikiLib::lib('parser')->option['indexing']) && TikiLib::lib('parser')->option['indexing']) {
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return "{$params->answer->text()} {$params->incorrect->text()}";
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}
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if ($answer) {
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$escapedAnswer = smarty_modifier_escape($answer);
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$escapedId = smarty_modifier_escape('exercise-' . $nextId++);
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if ($incorrect = $params->incorrect->text()) {
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$exercises = wikiplugin_exercise_parse_argument($incorrect);
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wikiplugin_exercise_process_group($exercises, '#' . $escapedId);
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}
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return <<<HTML
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<span id="$escapedId" class="exercise-input" data-answer="$escapedAnswer">___________</span>
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HTML;
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} else {
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$exercises = wikiplugin_exercise_parse_data($data);
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wikiplugin_exercise_process_group($exercises);
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return wikiplugin_exercise_finalize();
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}
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}
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function wikiplugin_exercise_parse_data($data)
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{
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$exercises = [];
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$key = -1;
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foreach (explode("\n", $data) as $line) {
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$line = trim($line);
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if (empty($line)) {
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continue;
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}
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if (substr($line, 0, 3) === '---') {
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$key = count($exercises);
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$exercises[] = [];
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} elseif ($key !== -1) {
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$parts = array_map('trim', explode(':', $line, 2));
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$exercises[$key][] = ['option' => array_shift($parts), 'justification' => array_shift($parts)];
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}
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}
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return $exercises;
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}
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function wikiplugin_exercise_parse_argument($data)
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{
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$out = [];
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$answers = explode('+', $data);
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foreach ($answers as $possibility) {
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if (preg_match('/^\s*([^\(]+)(:\s*\(\s*(.*)\s*\))?\s*/', $possibility, $parts)) {
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$out[] = ['option' => $parts[1], 'justification' => isset($parts[2]) ? $parts[2] : false];
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}
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}
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return [$out];
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}
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function wikiplugin_exercise_process_group($exercises, $scope = '.exercise-input')
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{
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$headerlib = TikiLib::lib('header');
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$js = <<<JS
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$.exerciseGroup = function (exercises, scope) {
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var shuffle = function(o){
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for(var j, x, i = o.length; i; j = parseInt(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x);
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return o;
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};
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$.each(exercises, function (k, options) {
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$(scope + ':not(.done)').filter(':first').each(function (k, container) {
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var answer = $(container).data('answer'), input;
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$(container).addClass('done').empty();
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if (options.length > 0) {
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input = $('<select><option/></select>');
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options.push({option: answer, justification: false});
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options = shuffle(options);
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$.each(options, function (k, o) {
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input.append($('<option/>')
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.val(o.option)
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.text(o.option)
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.data('justification', o.justification ? o.justification : ''));
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});
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} else {
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input = $('<input type="text"/>');
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input.attr('size', answer.length);
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}
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input.appendTo(container);
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});
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});
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};
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JS;
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$headerlib->add_js($js);
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$exercises = json_encode($exercises);
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$headerlib->add_js("$.exerciseGroup($exercises, '$scope');");
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}
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function wikiplugin_exercise_finalize()
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{
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$smarty = TikiLib::lib('smarty');
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$smarty->loadPlugin('smarty_function_icon');
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$checkYourScore = smarty_modifier_escape(tr('Check your score'));
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$yourScoreIs = tr('You scored %0 out of %1', '~SCORE~', '~TOTAL~');
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$checkIcon = smarty_function_icon(['_id' => 'tick', 'title' => tr('Good!')], $smarty->getEmptyInternalTemplate());
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$crossIcon = smarty_function_icon(['_id' => 'cross', 'title' => tr('Oops!')], $smarty->getEmptyInternalTemplate());
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$js = <<<JS
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$.exerciseFinalize = function (random) {
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$('.exercise-form').filter(':first').removeClass('exercise-form').each(function (k, form) {
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var label = $('p', form).hide().text(), elements = $('.exercise-input.done:not(.complete)').addClass('complete');
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$(form).submit(function () {
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var score = 0, total = 0;
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elements.find('.mark').remove();
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elements.each(function (k, container) {
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var correct, input, image;
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total += 1;
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correct = $(container).data('answer');
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input = $(':input', container).val();
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image = $('<span class="mark"/>')
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.appendTo(container);
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if (correct.toString() === input) {
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score += 1;
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image.append('$checkIcon');
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} else {
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image.append('$crossIcon');
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var just = $('option:selected', container).data('justification');
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if (just) {
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image.find('img').attr('title', just);
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}
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}
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});
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$('p', form).text(label.replace('~SCORE~', score).replace('~TOTAL~', total)).show();
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return false;
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});
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});
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};
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JS;
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$headerlib = TikiLib::lib('header');
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$headerlib->add_js($js);
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static $id = 0;
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++$id;
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$headerlib->add_js("$.exerciseFinalize($id);");
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return <<<HTML
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<form class="exercise-form" method="get" action="#">
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<p>$yourScoreIs</p>
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<input type="submit" class="btn btn-primary btn-sm" value="$checkYourScore"/>
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</form>
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HTML;
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}
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