product_price.inc

<?php
class Product_Price extends MySource_Object
{
    var $name = '';

    var $value = -1.0;

    var $calculate_tax = false;

    var $value_has_tax = false;

    function Product_Price()
    {
        $this->MySource_Object();

    }//end Product_Price()


    function paintBackend(&$o, $prefix, $wa)
    {
        $o->openSection();

            foreach(Array('name', 'value', 'value_has_tax', 'calculate_tax') as $var) {
                $this->_paintBackendField($o, $prefix, $wa, $var);
            }

        $o->closeSection();

    }//end paintBackend()


    function _paintBackendField(&$o, $prefix, $wa, $var)
    {
        switch($var) {
            case 'name' :
                $o->openField(translate('name'));
                    if ($wa) text_box($prefix.'_name', $this->name, 15);
                    else echo $this->name;
                $o->closeField();
                break;
            case 'value' :
                $o->openField(translate('value'));
                    if ($wa) text_box($prefix.'_value', ($this->value == -1) ? '' : $this->value, 10);
                    else echo ($this->value == -1) ? '&nbsp;' : $this->value;
                    $o->note(translate('ecom_product_price_note_value'));
                $o->closeField();
                break;
            case 'value_has_tax' :
                $o->openField(translate('ecom_product_price_value_has_tax'));
                    $options = Array(0 => 'No', 1 => 'Yes');
                    if ($wa) combo_box($prefix.'_value_has_tax', $options, false, (int) $this->value_has_tax);
                    else echo $options[(int) $this->value_has_tax];
                    $o->note(translate('ecom_product_price_note_value_has_tax'));
                $o->closeField();
                break;
            case 'calculate_tax' :
                $o->openField(translate('ecom_product_price_calculate_tax'));
                    $options = Array(0 => 'No', 1 => 'Yes');
                    if ($wa) combo_box($prefix.'_calculate_tax', $options, false, (int) $this->calculate_tax);
                    else echo $options[(int) $this->calculate_tax];
                    $o->note(translate('ecom_product_price_note_calculate_tax'));
                $o->closeField();
                break;
        }

    }//end _paintBackendField()


    function processBackend(&$o, $prefix)
    {
        $changes = false;

        foreach(Array('name', 'value', 'calculate_tax', 'value_has_tax') as $var) {
            if ($this->_processBackendField($o, $prefix, $var)) $changes = true;
        }// end foreach

        return $changes;

    }//end processBackend()


    function _processBackendField(&$o, $prefix, $var)
    {
        if (!isset($_POST[$prefix.'_'.$var])) return false;

        $changes = false;
        $val = trim($_POST[$prefix.'_'.$var]);
        switch($var) {
            case 'value' :
                if ($val == '') {
                    $val = -1.0;
                } else {
                    $val = floatval($val);
                    if ($val < 0) {
                        trigger_localised_error('ECOM0001', E_USER_WARNING);
                        return false;
                    }
                }
                break;

            case 'value_has_tax' :
            case 'calculate_tax' :
                $val = (bool) $val;
                break;

        }// end switch

        if ($this->$var != $val) {
            $this->$var = $val;
            $changes = true;
        }

        return $changes;

    }//end processBackend()


}//end class
?>