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<?php if ( ! defined( 'ABSPATH' ) ) exit;
/**
* Class NF_Fields_CountryList
*/
class NF_Fields_ListCountry extends NF_Abstracts_List
{
protected $_name = 'listcountry';
protected $_type = 'listcountry';
protected $_nicename = 'Country';
protected $_section = 'userinfo';
protected $_templates = array( 'listcountry', 'listselect' );
public function __construct()
{
parent::__construct();
$this->_nicename = esc_html__( 'Country', 'ninja-forms' );
$this->_settings[ 'options' ][ 'group' ] = '';
// $this->_settings[ 'options' ][ 'value' ] = $this->get_options();
$this->_settings[ 'default' ] = array(
'name' => 'default',
'type' => 'select',
'label' => esc_html__( 'Default Value', 'ninja-forms' ),
'options' => $this->get_default_value_options(),
'width' => 'one-half',
'group' => 'primary',
'value' => 'US',
);
add_filter( 'ninja_forms_custom_columns', array( $this, 'custom_columns' ), 10, 2 );
add_filter( 'ninja_forms_render_options_' . $this->_type, array( $this, 'filter_options' ), 10, 2 );
add_filter( 'ninja_forms_subs_export_field_value_' . $this->_name, array( $this, 'filter_csv_value' ), 10, 2 );
}
public function custom_columns( $value, $field )
{
if( $this->_name != $field->get_setting( 'type' ) ) return $value;
foreach( Ninja_Forms()->config( 'CountryList' ) as $country => $abbr ){
if( $value == $abbr ) return $country;
}
return $value;
}
public function filter_options( $options, $settings )
{
$default_value = ( isset( $settings[ 'default' ] ) ) ? $settings[ 'default' ] : '';
$options = $this->get_options(); // Overwrite the default list options.
foreach( $options as $key => $option ){
if( $default_value != $option[ 'value' ] ) continue;
$options[ $key ][ 'selected' ] = 1;
}
usort( $options, array($this,'sort_options_by_label') );
return $options;
}
private function sort_options_by_label( $option_a, $option_b )
{
return strcasecmp( $option_a['label'], $option_b['label'] );
}
public function filter_options_preview( $field_settings )
{
$field_settings[ 'settings' ][ 'options' ] = $this->get_options();
foreach( $field_settings[ 'settings' ][ 'options' ] as $key => $option ){
if( $field_settings[ 'settings' ][ 'default' ] != $option[ 'value' ] ) continue;
$field_settings[ 'settings' ][ 'options' ][ $key ][ 'selected' ] = 1;
}
return $field_settings;
}
public function admin_form_element( $id, $value )
{
$field = Ninja_Forms()->form()->get_field( $id );
$options = $this->get_options();
$options = apply_filters( 'ninja_forms_render_options', $options, $field->get_settings() );
$options = apply_filters( 'ninja_forms_render_options_' . $this->_type, $options, $field->get_settings() );
ob_start();
echo "<select name='fields[$id]'>";
foreach( $options as $option ){
$selected = ( $option['value'] == $value ) ? ' selected' : '';
echo "<option value='" . $option['value'] . "'" . $selected . ">" . $option['label'] . "</option>";
}
echo "</select>";
return ob_get_clean();
}
private function get_default_value_options()
{
$options = array();
// Option to have no default country
$options[] = array(
'label' => '- ' . esc_html__( 'Select Country', 'ninja-forms' ) . ' -',
'value' => ''
);
foreach( Ninja_Forms()->config( 'CountryList' ) as $label => $value ){
$options[] = array(
'label' => $label,
'value' => $value,
);
}
return $options;
}
private function get_options()
{
$order = 0;
$options = array();
// option to have no default country selected
$options[] = array(
'label' => '- ' . esc_html__( 'Select Country', 'ninja-forms' ) . ' -',
'value' => '',
'calc' => '',
'selected' => 0,
'order' => $order,
);
$order++;
foreach( Ninja_Forms()->config( 'CountryList' ) as $label => $value ){
$options[] = array(
'label' => $label,
'value' => $value,
'calc' => '',
'selected' => 0,
'order' => $order
);
$order++;
}
return $options;
}
public function filter_csv_value( $field_value, $field )
{
$lookup = array_flip( Ninja_Forms()->config( 'CountryList' ) );
if( isset( $lookup[ $field_value ] ) ) $field_value = $lookup[ $field_value ];
return $field_value;
}
}