class.ilADTIntegerDefinition.php

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<?php
 
declare(strict_types=1);
 
class ilADTIntegerDefinition extends ilADTDefinition
{
    protected ?int $min_value;
    protected ?int $max_value;
    protected string $suffix = '';
 
    // properties
 
    public function handleNumber(?int $a_value): ?int
    {
        if (!is_numeric($a_value)) {
            $a_value = null;
        }
        if ($a_value !== null) {
            // round?
            $a_value = (int) $a_value;
        }
        return $a_value;
    }
 
    public function getMin(): ?int
    {
        return $this->min_value;
    }
 
    public function setMin(?int $a_value): void
    {
        $this->min_value = $this->handleNumber($a_value);
    }
 
    public function getMax(): ?int
    {
        return $this->max_value;
    }
 
    public function setMax(?int $a_value): void
    {
        $this->max_value = $this->handleNumber($a_value);
    }
 
    public function getSuffix(): string
    {
        return $this->suffix;
    }
 
    public function setSuffix(?string $a_value): void
    {
        $this->suffix = $a_value === null ? '' : trim($a_value);
    }
 
    public function isComparableTo(ilADT $a_adt): bool
    {
        // has to be number-based
        return ($a_adt instanceof ilADTInteger);
    }
}