int.inc

<?php
require_once SQ_INCLUDE_PATH.'/asset_attribute.inc';

class Asset_Attribute_Int extends Asset_Attribute
{


    function Asset_Attribute_Int($attributeid=0, $value=NULL)
    {
        $this->Asset_Attribute($attributeid, $value);

        // apply default params where necessary
        if (!isset($this->_params['allow_negative'])) {
            $this->_params['allow_negative'] = TRUE;
        }
        if (!isset($this->_params['allow_empty'])) {
            $this->_params['allow_empty'] = FALSE;
        }
        if (!isset($this->_params['range_lower'])) {
            $this->_params['range_lower'] = FALSE;
        }
        if (!isset($this->_params['range_upper'])) {
            $this->_params['range_upper'] = FALSE;
        }

        // set default edit parameters
        $this->_edit_params['width']  = 0;

    }//end constructor


    function setEditParams(&$node)
    {
        if (!parent::setEditParams($node)) return FALSE;
        $this->_edit_params['width']  = (int) $node->attributes()->width;

        return TRUE;

    }//end setEditParams()


    function paint($prefix, $read_only=FALSE)
    {
        // we want to retain empty values retrieved from the DB
        // Postgres will return an empty string and Oracle will return a NULL value
        if (($this->value === '') || is_null($this->value)) {
            $this->value = '';
        } else {
            $this->value = (int)$this->value;
        }

        if ($read_only) {
            echo $this->value;
            return;
        }

        $range_lower = $this->_params['range_lower'];
        $range_upper = $this->_params['range_upper'];

        // We don't want to inforce a range on the integer field.
        if (!is_int($range_lower)) $range_lower = NULL;
        if (!is_int($range_upper)) $range_upper = NULL;

        $allow_negative = array_get_index($this->_params, 'allow_negative', TRUE);

        require_once SQ_LIB_PATH.'/html_form/html_form.inc';
        int_text_box($prefix, $this->value, $allow_negative, $this->_edit_params['width'], $range_lower, $range_upper, 0, FALSE, '');

    }//end paint()


    function process($prefix)
    {
        if (!isset($_REQUEST[$prefix])) return FALSE;
        $value = $_REQUEST[$prefix];
        if ($value !== '') $value = (int)$value;
        if ($this->value !== $value && $this->setValue($value)) {
            $this->processed = TRUE;
        } else {
            $this->processed = FALSE;
        }

    }//end process()


    function validateValue(&$value)
    {
        // empty string is OK if enabled
        if (($value === '') || is_null($value)) {
            $allow_empty = array_get_index($this->_params, 'allow_empty', TRUE);
            if ($allow_empty && (($value === '') || is_null($value))) {
                return TRUE;
            } else {
                // we'll be nice and turn this into int zero rather than erroring
                $value = (int)$value;
            }
        }

        $range_lower = array_get_index($this->_params, 'range_lower', FALSE);
        if (!empty($range_lower) && ($value < $range_lower)) {
            return FALSE;
        }

        $range_upper = array_get_index($this->_params, 'range_upper', FALSE);
        if (!empty($range_upper) && ($value > $range_upper)) {
            return FALSE;
        }

        // unless one of the range checks failed, zero is OK
        if ($value === 0) return TRUE;
        if ($value === '0') return TRUE;

        // anything else that equates to int zero is not OK
        if ($value == 0) return FALSE;

        $allow_negative = array_get_index($this->_params, 'allow_negative', TRUE);
        if (!$allow_negative && $value < 0) {
            return FALSE;
        }

        return TRUE;

    }//end validateValue()


}//end class

?>