form_question_rule_type_begins_with.inc

<?php
require_once dirname(__FILE__).'/../../form_question_rule/form_question_rule.inc';

class Form_Question_Rule_Type_Begins_With extends Form_Question_Rule
{


    function __construct($assetid=0)
    {
        parent::__construct($assetid);

    }//end constructor


    public static function getOperators()
    {
        return Array(
                1   => translate('core_form_rule_begins_with_true'),
                0   => translate('core_form_rule_begins_with_false'),
               );

    }//end getOperators()


    function generateJSCode(&$q_asset, $rule_data)
    {
        // have we printed out the validation function yet?
        // (since this is static across all class instances, this will work)
        static $printed_fn = false;

        $operator = array_get_index($rule_data, 'operator', 1);
        $cq_id = array_get_index($rule_data, 'comparison_question_id', 0);
        $value = array_get_index($rule_data, 'value', '');
        $case_sensitive = array_get_index($rule_data, 'case_sensitive', 1);

        ob_start();         // buffer this please

            if (!$printed_fn) {
                $printed_fn = true;

                    ?>
                    function sq_form_validate_begins_with(answer, comparison, case_sensitive)
                    {
                        if (case_sensitive) {
                            return answer.indexOf(comparison) == 0;
                        } else {
                            return answer.toLowerCase().indexOf(comparison.toLowerCase()) == 0;
                        }
                    }//end sq_form_validate_begins_with()
                    <?php

            }

            if ($cq_id != 0) {
                $comparison = 'form.elements["q'.$cq_id.'"].value';
            } else {
                $comparison = '"'.addslashes($value).'"';
            }

            ?>
                if (<?php echo ($operator == 1) ? '!' : ''; ?>sq_form_validate_begins_with(form.elements["q<?php echo $q_asset->id; ?>"].value, <?php echo $comparison ?>, <?php echo (int)$case_sensitive; ?>)) {
                    submission_errors[submission_errors.length] = "<?php
                        if (empty($rule_data['custom_text'])) {
                            echo addslashes($this->defaultError($q_asset, $rule_data));
                        } else {
                            echo addslashes($rule_data['custom_text']);
                        }
                    ?>";
                }
            <?php

        $contents = ob_get_contents();
        ob_end_clean();

        return $contents;

    }//end generateJSCode()


    function evaluate($answer, $rule_data)
    {
        $operator = array_get_index($rule_data, 'operator', 1);
        $cq_id = array_get_index($rule_data, 'comparison_question_id', 0);
        $value = array_get_index($rule_data, 'value', '');
        $case_sensitive = array_get_index($rule_data, 'case_sensitive', 1);

        if ($cq_id != 0) {
            $comparison = $GLOBALS['SQ_SYSTEM']->am->getAsset($cq_id);
            if ($case_sensitive) {
                $valid = (strpos($answer, $comparison->getValue()) === 0) ? 1 : 0;
            } else {
                $valid = (stripos(strtolower($answer), strtolower($comparison->getValue())) === 0) ? 1 : 0;
            }
        } else {    // sent just a value
            if ($case_sensitive) {
                $valid = (strpos($answer, $value) === 0) ? 1 : 0;
            } else {
                $valid = (strpos(strtolower($answer), strtolower($value)) === 0) ? 1 : 0;
            }
        }

        return $valid == $operator;

    }//end evaluate()


    function ruleDescription(&$q_asset, $rule_data)
    {
        $operator = array_get_index($rule_data, 'operator', 1);
        $cq_id = array_get_index($rule_data, 'comparison_question_id', 0);
        $value = array_get_index($rule_data, 'value', '');
        $case_sensitive = array_get_index($rule_data, 'case_sensitive', 1);

        $string_code = 'core_form_rule_begins_with_desc_'.($operator ? 'true' : 'false');
        $cq_id = array_get_index($rule_data, 'comparison_question_id', 0);

        if ($cq_id != 0) {
            $string_code .= '_q';
            $comparison = $GLOBALS['SQ_SYSTEM']->am->getAsset($cq_id);
            $value = $comparison->name;
        } else {    // sent just a value
            $value = array_get_index($rule_data, 'value', '');
        }

        $error_str = translate($string_code, $q_asset->name, $value).' '.translate('core_form_'.($case_sensitive ? '' : 'not_').'case_sensitive');

        return $error_str;

    }//end ruleDescription()


}//end class
?>