<?php
if ( ! defined( 'ABSPATH' ) ) exit;
class autoshortcoder_Settings {
/**
* The single instance of autoshortcoder_Settings.
* @var object
* @access private
* @since 1.0.0
*/
private static $_instance = null;
/**
* The main plugin object.
* @var object
* @access public
* @since 1.0.0
*/
public $parent = null;
/**
* Prefix for plugin settings.
* @var string
* @access public
* @since 1.0.0
*/
public $base = '';
/**
* Available settings for plugin.
* @var array
* @access public
* @since 1.0.0
*/
public $settings = array();
public function __construct ( $parent ) {
$this->parent = $parent;
$this->base = 'autoshortcode_';
// Initialise settings
add_action( 'init', array( $this, 'init_settings' ), 11 );
// Register plugin settings
add_action( 'admin_init' , array( $this, 'register_settings' ) );
// Add settings page to menu
add_action( 'admin_menu' , array( $this, 'add_menu_item' ) );
// Add settings link to plugins page
add_filter( 'plugin_action_links_' . plugin_basename( $this->parent->file ) , array( $this, 'add_settings_link' ) );
}
/**
* Initialise settings
* @return void
*/
public function init_settings () {
$this->settings = $this->settings_fields();
}
/**
* Add settings page to admin menu
* @return void
*/
public function add_menu_item () {
$page = add_options_page( __( 'Autoshortcode', 'autoshortcoder' ) , __( 'Autoshortcode', 'autoshortcoder' ) , 'manage_options' , $this->parent->_token . '_settings' , array( $this, 'settings_page' ) );
add_action( 'admin_print_styles-' . $page, array( $this, 'settings_assets' ) );
}
/**
* Load settings JS & CSS
* @return void
*/
public function settings_assets () {
wp_register_script( $this->parent->_token . '-settings-js', $this->parent->assets_url . 'js/settings' . $this->parent->script_suffix . '.js', '1.0.0' );
wp_enqueue_script( $this->parent->_token . '-settings-js' );
}
/**
* Add settings link to plugin list table
* @param array $links Existing links
* @return array Modified links
*/
public function add_settings_link ( $links ) {
$settings_link = '<a href="options-general.php?page=' . $this->parent->_token . '_settings">' . __( 'Settings', 'autoshortcoder' ) . '</a>';
array_push( $links, $settings_link );
return $links;
}
/**
* Build settings fields
* @return array Fields to be displayed on settings page
*/
private function settings_fields () {
$settings['standard'] = array(
'title' => __( '', 'autoshortcoder' ),
'description' => __( '', 'autoshortcoder' ),
'fields' => array(
array(
'id' => 'autoshortcode_settings',
'label' => __( 'shortcodes to add' , 'autoshortcoder' ),
'description' => __( 'Add tags, a title and shortcodes, one per line, separated by |', 'autoshortcoder' ),
'type' => 'textarea',
'default' => '',
'placeholder' => __( 'exampletag|example title|[exampleshortcode var1=a, var2=b]', 'autoshortcoder' )
),
)
);
$settings = apply_filters( $this->parent->_token . '_settings_fields', $settings );
return $settings;
}
/**
* Register plugin settings
* @return void
*/
public function register_settings () {
if ( is_array( $this->settings ) ) {
// Check posted/selected tab
$current_section = '';
if ( isset( $_POST['tab'] ) && $_POST['tab'] ) {
$current_section = $_POST['tab'];
} else {
if ( isset( $_GET['tab'] ) && $_GET['tab'] ) {
$current_section = $_GET['tab'];
}
}
foreach ( $this->settings as $section => $data ) {
if ( $current_section && $current_section != $section ) continue;
// Add section to page
add_settings_section( $section, $data['title'], array( $this, 'settings_section' ), $this->parent->_token . '_settings' );
foreach ( $data['fields'] as $field ) {
// Validation callback for field
$validation = '';
if ( isset( $field['callback'] ) ) {
$validation = $field['callback'];
}
// Register field
$option_name = $this->base . $field['id'];
register_setting( $this->parent->_token . '_settings', $option_name, $validation );
// Add field to page
add_settings_field( $field['id'], $field['label'], array( $this->parent->admin, 'display_field' ), $this->parent->_token . '_settings', $section, array( 'field' => $field, 'prefix' => $this->base ) );
}
if ( ! $current_section ) break;
}
}
}
public function settings_section ( $section ) {
$html = '<p> ' . $this->settings[ $section['id'] ]['description'] . '</p>' . "\n";
echo $html;
}
/**
* Load settings page content
* @return void
*/
public function settings_page () {
// Build page HTML
$html = '<div class="wrap" id="' . $this->parent->_token . '_settings">' . "\n";
$html .= '<h2>' . __( 'Autoshortcode Settings' , 'autoshortcoder' ) . '</h2>' . "\n";
$tab = '';
if ( isset( $_GET['tab'] ) && $_GET['tab'] ) {
$tab .= $_GET['tab'];
}
// Show page tabs
if ( is_array( $this->settings ) && 1 < count( $this->settings ) ) {
$html .= '<h2 class="nav-tab-wrapper">' . "\n";
$c = 0;
foreach ( $this->settings as $section => $data ) {
// Set tab class
$class = 'nav-tab';
if ( ! isset( $_GET['tab'] ) ) {
if ( 0 == $c ) {
$class .= ' nav-tab-active';
}
} else {
if ( isset( $_GET['tab'] ) && $section == $_GET['tab'] ) {
$class .= ' nav-tab-active';
}
}
// Set tab link
$tab_link = add_query_arg( array( 'tab' => $section ) );
if ( isset( $_GET['settings-updated'] ) ) {
$tab_link = remove_query_arg( 'settings-updated', $tab_link );
}
// Output tab
$html .= '<a href="' . $tab_link . '" class="' . esc_attr( $class ) . '">' . esc_html( $data['title'] ) . '</a>' . "\n";
++$c;
}
$html .= '</h2>' . "\n";
}
$html .= '<form method="post" action="options.php" enctype="multipart/form-data">' . "\n";
// Get settings fields
ob_start();
settings_fields( $this->parent->_token . '_settings' );
do_settings_sections( $this->parent->_token . '_settings' );
$html .= ob_get_clean();
$html .= '<p class="submit">' . "\n";
$html .= '<input type="hidden" name="tab" value="' . esc_attr( $tab ) . '" />' . "\n";
$html .= '<input name="Submit" type="submit" class="button-primary" value="' . esc_attr( __( 'Save Settings' , 'autoshortcoder' ) ) . '" />' . "\n";
$html .= '</p>' . "\n";
$html .= '</form>' . "\n";
$html .= '</div>' . "\n";
echo $html;
}
/**
* Main autoshortcoder_Settings Instance
*
* Ensures only one instance of autoshortcoder_Settings is loaded or can be loaded.
*
* @since 1.0.0
* @static
* @see autoshortcoder()
* @return Main autoshortcoder_Settings instance
*/
public static function instance ( $parent ) {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self( $parent );
}
return self::$_instance;
} // End instance()
/**
* Cloning is forbidden.
*
* @since 1.0.0
*/
public function __clone () {
_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?' ), $this->parent->_version );
} // End __clone()
/**
* Unserializing instances of this class is forbidden.
*
* @since 1.0.0
*/
public function __wakeup () {
_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?' ), $this->parent->_version );
} // End __wakeup()
}