private function default_fields($search_data)
{
$slcustomer = new SLCustomer();
// Name
$this->addSearchField('name', 'name_contains', 'contains');
// Search by Active/Inactive Status
$this->addSearchField('date_inactive', 'Show Customers', 'null', 'null', 'advanced');
$options = array('' => 'All', 'not null' => 'Inactive', 'null' => 'Active');
$this->setOptions('date_inactive', $options);
// Currency
$this->addSearchField('currency_id', 'currency', 'select', '', 'advanced');
$currency = new Currency();
$currency_list = $currency->getAll();
$options = array('' => 'All');
$options += $currency_list;
$this->SetOptions('currency_id', $options);
// Remittance
$this->addSearchField('statement', 'statement', 'select', '', 'advanced');
$options = array('' => 'All', 'TRUE' => 'Yes', 'FALSE' => 'No');
$this->setOptions('statement', $options);
// Invoice Method
$this->addSearchField('invoice_method', 'invoice_method', 'select', '', 'advanced');
$options = array_merge(array('' => 'All'), $slcustomer->getEnumOptions('invoice_method'));
$this->setOptions('invoice_method', $options);
// Payment Type
$this->addSearchField('payment_type_id', 'payment_type', 'select', '', 'advanced');
$payment_type = new PaymentType();
$options = array('' => 'All');
$options += $payment_type->getAll();
$this->setOptions('payment_type_id', $options);
// Payment Terms
$this->addSearchField('payment_term_id', 'payment_term', 'select', '', 'advanced');
$payment_term = new PaymentTerm();
$options = array('' => 'All');
$options = $payment_term->getAll();
asort($options);
$options = array('' => 'All') + $options;
$this->setOptions('payment_term_id', $options);
// SL Anaylsis
$this->addSearchField('sl_analysis_id', 'sl_analysis', 'select', '', 'advanced');
$sl_analysis = new SLAnalysis();
$options = array('' => 'All');
$options += $sl_analysis->getAll();
$this->setOptions('sl_analysis_id', $options);
// Account Status
$this->addSearchField('account_status', 'account_status', 'select', '', 'advanced');
$options = array_merge(array('' => 'All'), $slcustomer->getEnumOptions('account_status'));
$this->setOptions('account_status', $options);
}