StringLengthValidator.class.php

<?php

class spunQ_StringLengthValidator extends spunQ_FieldValidator {

    protected $min;

    protected $max;

    public function __construct($min = NULL, $max = NULL, $messageKey = 'InvalidLength') {
        $this->min = $min;
        $this->max = $max;
        parent::__construct($messageKey);
        return NULL;
    }

    public function validate($messagePrefix, $value) {
        if ($value === NULL) {
            return NULL;
        }
        if (!is_string($value)) {
            throw new spunQ_HtmlException('spunQ.html.form.validation.StringLengthValidator.NotAString', spunQ_Type::getDescription($value));
        }
        if ($this->min === NULL && $this->max === NULL) {
            return NULL;
        }
        $length = mb_strlen($value);
        if ($this->min !== NULL && $length < $this->min) {
            return lang()->translate($messagePrefix . $this->messageKey, array($length, $this->min, $this->max));
        }
        if ($this->max !== NULL && $length > $this->max) {
            return lang()->translate($messagePrefix . $this->messageKey, array($length, $this->min, $this->max));
        }
        return NULL;
    }

    public function showJsValidationString($typePath, $messagePrefix) {
        $min = $this->min === NULL ? 'null' : $this->min;
        $max = $this->max === NULL ? 'null' : $this->max;
        $message = lang()->translate($messagePrefix . $this->messageKey, array('{3}', $this->min, $this->max));
        echo "spunQ.form.registerValidator('$typePath', spunQ.form.validator.StringLengthValidator('$min', '$max', '$message'));\n";
        return true;
    }

}

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