64 lines
1.7 KiB
PHP
64 lines
1.7 KiB
PHP
<?php
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require_once "PicturedTask.php";
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class OpenEndedTask extends PicturedTask
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{
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public function __construct(array $a = null)
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{
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parent::__construct("openended", $a);
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$this->correct_answer = $a["correct_answer"] ?? [];
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$this->player_answer = $this->player_answer ?? "";
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$this->setMaxMark(1.0);
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}
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public function addCorrectAnswer(string $ca): void {
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$this->correct_answer[] = $ca;
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}
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public function clearCorrectAnswers(): void {
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$this->correct_answer = [];
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}
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public function saveAnswer(mixed $ans): bool
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{
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// collect transformations
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$transform_fns = [];
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foreach ($this->getFlags() as $flag) {
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switch ($flag) {
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case "makeuppercase":
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$transform_fns[] = "strtoupper";
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break;
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case "makelowercase":
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$transform_fns[] = "strtolower";
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break;
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case "removespaces":
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$transform_fns[] = fn($str) => str_replace(" ", "", $str);
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break;
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}
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}
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// run the transformations
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foreach ($transform_fns as $tfn) {
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$ans = $tfn($ans);
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}
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// save the answer
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$this->player_answer = $ans;
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return true;
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}
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public function staticCheck(): void
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{
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$mark = in_array($this->player_answer, $this->correct_answer) ? $this->getMaxMark() : 0.0;
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$this->setMark($mark);
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}
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function toArray(string $mode = "all"): array {
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$a = parent::toArray($mode);
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$a["correct_answer"] = $this->correct_answer;
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return $a;
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}
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} |