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✏️ Editing: framework.class.php

<?php if ( ! defined( 'ABSPATH' ) ) { die; } // Cannot access pages directly.
/**
 *
 * Framework Class
 *
 * @since 1.0.0
 * @version 1.0.0
 *
 */
class CSFramework extends CSFramework_Abstract {

/**
   *
   * option database/data name
   * @access public
   * @var string
   *
   */
  public $unique = CS_OPTION;

/**
   *
   * settings
   * @access public
   * @var array
   *
   */
  public $settings = array();

/**
   *
   * options tab
   * @access public
   * @var array
   *
   */
  public $options = array();

/**
   *
   * options section
   * @access public
   * @var array
   *
   */
  public $sections = array();

/**
   *
   * options store
   * @access public
   * @var array
   *
   */
  public $get_option = array();

/**
   *
   * instance
   * @access private
   * @var class
   *
   */
  private static $instance = null;

// run framework construct
  public function __construct( $settings, $options ) {

$this->settings = apply_filters( 'cs_framework_settings', $settings );
    $this->options  = apply_filters( 'cs_framework_options', $options );

if( ! empty( $this->options ) ) {

$this->sections   = $this->get_sections();
      $this->get_option = get_option( CS_OPTION );
      $this->addAction( 'admin_init', 'settings_api' );
      $this->addAction( 'admin_menu', 'admin_menu' );

}

// instance
  public static function instance( $settings = array(), $options = array() ) {
    if ( is_null( self::$instance ) && CS_ACTIVE_FRAMEWORK ) {
      self::$instance = new self( $settings, $options );
    }
    return self::$instance;
  }

// get sections
  public function get_sections() {

$sections = array();

foreach ( $this->options as $key => $value ) {

if( isset( $value['sections'] ) ) {

foreach ( $value['sections'] as $section ) {

if( isset( $section['fields'] ) ) {
            $sections[] = $section;
          }

}

} else {

if( isset( $value['fields'] ) ) {
          $sections[] = $value;
        }

}

return $sections;

}

// wp settings api
  public function settings_api() {

$defaults = array();

foreach( $this->sections as $section ) {

register_setting( $this->unique .'_group', $this->unique, array( &$this,'validate_save' ) );

if( isset( $section['fields'] ) ) {

add_settings_section( $section['name'] .'_section', $section['title'], '', $section['name'] .'_section_group' );

foreach( $section['fields'] as $field_key => $field ) {

add_settings_field( $field_key .'_field', '', array( &$this, 'field_callback' ), $section['name'] .'_section_group', $section['name'] .'_section', $field );

// set default option if isset
          if( isset( $field['default'] ) ) {
            $defaults[$field['id']] = $field['default'];
            if( ! empty( $this->get_option ) && ! isset( $this->get_option[$field['id']] ) ) {
              $this->get_option[$field['id']] = $field['default'];
            }
          }

}
      }

}

// set default variable if empty options and not empty defaults
    if( empty( $this->get_option )  && ! empty( $defaults ) ) {
      update_option( $this->unique, $defaults );
      $this->get_option = $defaults;
    }

}

// section fields validate in save
  public function validate_save( $request ) {

$add_errors = array();
    $section_id = cs_get_var( 'cs_section_id' );

// ignore nonce requests
    if( isset( $request['_nonce'] ) ) { unset( $request['_nonce'] ); }

// import
    if ( isset( $request['import'] ) && ! empty( $request['import'] ) ) {
      $decode_string = cs_decode_string( $request['import'] );
      if( is_array( $decode_string ) ) {
        return $decode_string;
      }
      $add_errors[] = $this->add_settings_error( esc_html__( 'Success. Imported backup options.', 'polo' ), 'updated' );
    }

// reset all options
    if ( isset( $request['resetall'] ) ) {
      $add_errors[] = $this->add_settings_error( esc_html__( 'Default options restored.', 'polo' ), 'updated' );
      return;
    }

// reset only section
    if ( isset( $request['reset'] ) && ! empty( $section_id ) ) {
      foreach ( $this->sections as $value ) {
        if( $value['name'] == $section_id ) {
          foreach ( $value['fields'] as $field ) {
            if( isset( $field['id'] ) ) {
              if( isset( $field['default'] ) ) {
                $request[$field['id']] = $field['default'];
              } else {
                unset( $request[$field['id']] );
              }
            }
          }
        }
      }
      $add_errors[] = $this->add_settings_error( esc_html__( 'Default options restored for only this section.', 'polo' ), 'updated' );
    }

// option sanitize and validate
    foreach( $this->sections as $section ) {
      if( isset( $section['fields'] ) ) {
        foreach( $section['fields'] as $field ) {

// ignore santize and validate if element multilangual
          if ( isset( $field['type'] ) && ! isset( $field['multilang'] ) && isset( $field['id'] ) ) {

// sanitize options
            $request_value = isset( $request[$field['id']] ) ? $request[$field['id']] : '';
            $sanitize_type = $field['type'];

if( isset( $field['sanitize'] ) ) {
              $sanitize_type = ( $field['sanitize'] !== false ) ? $field['sanitize'] : false;
            }

if( $sanitize_type !== false && has_filter( 'cs_sanitize_'. $sanitize_type ) ) {
              $request[$field['id']] = apply_filters( 'cs_sanitize_' . $sanitize_type, $request_value, $field, $section['fields'] );
            }

// validate options
            if ( isset( $field['validate'] ) && has_filter( 'cs_validate_'. $field['validate'] ) ) {

$validate = apply_filters( 'cs_validate_' . $field['validate'], $request_value, $field, $section['fields'] );

if( ! empty( $validate ) ) {
                $add_errors[] = $this->add_settings_error( $validate, 'error', $field['id'] );
                $request[$field['id']] = ( isset( $this->get_option[$field['id']] ) ) ? $this->get_option[$field['id']] : '';
              }

}

if( ! isset( $field['id'] ) || empty( $request[$field['id']] ) ) {
            continue;
          }

}
      }
    }

$request = apply_filters( 'cs_validate_save', $request );

do_action( 'cs_validate_save', $request );

// set transient
    $transient_time = ( cs_language_defaults() !== false ) ? 30 : 10;
    set_transient( 'cs-framework-transient', array( 'errors' => $add_errors, 'section_id' => $section_id ), $transient_time );

return $request;
  }

// field callback classes
  public function field_callback( $field ) {
    $value = ( isset( $field['id'] ) && isset( $this->get_option[$field['id']] ) ) ? $this->get_option[$field['id']] : '';
    echo cs_add_element( $field, $value, $this->unique );
  }

// settings sections
  public function do_settings_sections( $page ) {

global $wp_settings_sections, $wp_settings_fields;

if ( ! isset( $wp_settings_sections[$page] ) ){
      return;
    }

foreach ( $wp_settings_sections[$page] as $section ) {

if ( $section['callback'] ){
        call_user_func( $section['callback'], $section );
      }

if ( ! isset( $wp_settings_fields ) || !isset( $wp_settings_fields[$page] ) || !isset( $wp_settings_fields[$page][$section['id']] ) ){
        continue;
      }

$this->do_settings_fields( $page, $section['id'] );

}

// settings fields
  public function do_settings_fields( $page, $section ) {

global $wp_settings_fields;

if ( ! isset( $wp_settings_fields[$page][$section] ) ) {
      return;
    }

foreach ( $wp_settings_fields[$page][$section] as $field ) {
      call_user_func($field['callback'], $field['args']);
    }

}

public function add_settings_error( $message, $type = 'error', $id = 'global' ) {
    return array( 'setting' => 'cs-errors', 'code' => $id, 'message' => $message, 'type' => $type );
  }

// adding option page
  public function admin_menu() {

$defaults_menu_args = array(
      'menu_parent'     => '',
      'menu_title'      => '',
      'menu_type'       => '',
      'menu_slug'       => '',
      'menu_icon'       => '',
      'menu_capability' => 'manage_options',
      'menu_position'   => null,
    );

$args = wp_parse_args( $this->settings, $defaults_menu_args );

if( $args['menu_type'] == 'submenu' ) {
      call_user_func( 'add_'. $args['menu_type'] .'_page', $args['menu_parent'], $args['menu_title'], $args['menu_title'], $args['menu_capability'], $args['menu_slug'], array( &$this, 'admin_page' ) );
    } else {
      call_user_func( 'add_'. $args['menu_type'] .'_page', $args['menu_title'], $args['menu_title'], $args['menu_capability'], $args['menu_slug'], array( &$this, 'admin_page' ), $args['menu_icon'], $args['menu_position'] );
    }

}

// option page html output
  public function admin_page() {

$transient  = get_transient( 'cs-framework-transient' );
    $has_nav    = ( count( $this->options ) <= 1 ) ? ' cs-show-all' : '';
    $section_id = ( ! empty( $transient['section_id'] ) ) ? $transient['section_id'] : $this->sections[0]['name'];
    $section_id = cs_get_var( 'cs-section', $section_id );

echo '<div class="cs-framework cs-option-framework">';

echo '<form method="post" action="options.php" enctype="multipart/form-data" id="csframework_form">';
      echo '<input type="hidden" class="cs-reset" name="cs_section_id" value="'. $section_id .'" />';

if( $this->settings['ajax_save'] !== true && ! empty( $transient['errors'] ) ) {

global $cs_errors;

$cs_errors = $transient['errors'];

if ( ! empty( $cs_errors ) ) {
          foreach ( $cs_errors as $error ) {
            if( in_array( $error['setting'], array( 'general', 'cs-errors' ) ) ) {
              echo '<div class="cs-settings-error '. $error['type'] .'">';
              echo '<p><strong>'. $error['message'] .'</strong></p>';
              echo '</div>';
            }
          }
        }

}

settings_fields( $this->unique. '_group' );

echo '<header class="cs-header">';
    if ( isset($this->settings['framework_title']) && !empty($this->settings['framework_title']) ) {
      echo '<h1>' . $this->settings['framework_title'] . '</h1>';
    }
      echo '<fieldset>';

echo ( $this->settings['ajax_save'] ) ? '<span id="cs-save-ajax">'. esc_html__( 'Settings saved.', 'polo' ) .'</span>' : '';

submit_button( esc_html__( 'Save', 'polo' ), 'primary cs-save', 'save', false, array( 'data-save' => esc_html__( 'Saving...', 'polo' ) ) );
      submit_button( esc_html__( 'Restore', 'polo' ), 'secondary cs-restore cs-reset-confirm', $this->unique .'[reset]', false );

if( isset($this->settings['show_reset_all']) && $this->settings['show_reset_all'] ) {
        submit_button( esc_html__( 'Reset All Options', 'polo' ), 'secondary cs-restore cs-warning-primary cs-reset-confirm', $this->unique .'[resetall]', false );
      }

echo '</fieldset>';
      echo ( empty( $has_nav ) ) ? '<a href="#" class="cs-expand-all"><i class="fa fa-eye-slash"></i> '. esc_html__( 'show all options', 'polo' ) .'</a>' : '';
      echo '<div class="clear"></div>';
      echo '</header>'; // end .cs-header

echo '<div class="cs-body'. $has_nav .'">';

echo '<div class="cs-nav">';

echo '<ul>';
          foreach ( $this->options as $key => $tab ) {

if( ( isset( $tab['sections'] ) ) ) {

$tab_active   = cs_array_search( $tab['sections'], 'name', $section_id );
              $active_style = ( ! empty( $tab_active ) ) ? ' style="display: block;"' : '';
              $active_list  = ( ! empty( $tab_active ) ) ? ' cs-tab-active' : '';
              $tab_icon     = ( ! empty( $tab['icon'] ) ) ? '<i class="cs-icon '. $tab['icon'] .'"></i>' : '';

echo '<li class="cs-sub'. $active_list .'">';

echo '<a href="#" class="cs-arrow">'. $tab_icon . $tab['title'] .'</a>';

echo '<ul'. $active_style .'>';
                foreach ( $tab['sections'] as $tab_section ) {

$active_tab = ( $section_id == $tab_section['name'] ) ? ' class="cs-section-active"' : '';
                  $icon = ( ! empty( $tab_section['icon'] ) ) ? '<i class="cs-icon '. $tab_section['icon'] .'"></i>' : '';

echo '<li><a href="#"'. $active_tab .' data-section="'. $tab_section['name'] .'">'. $icon . $tab_section['title'] .'</a></li>';

}
                echo '</ul>';

echo '</li>';

} else {

$icon = ( ! empty( $tab['icon'] ) ) ? '<i class="cs-icon '. $tab['icon'] .'"></i>' : '';

if( isset( $tab['fields'] ) ) {

$active_list = ( $section_id == $tab['name'] ) ? ' class="cs-section-active"' : '';
                echo '<li><a href="#"'. $active_list .' data-section="'. $tab['name'] .'">'. $icon . $tab['title'] .'</a></li>';

} else {

echo '<li><div class="cs-seperator">'. $icon . $tab['title'] .'</div></li>';

}

}
          echo '</ul>';

echo '</div>'; // end .cs-nav

echo '<div class="cs-content">';

echo '<div class="cs-sections">';

foreach( $this->sections as $section ) {

if( isset( $section['fields'] ) ) {

$active_content = ( $section_id == $section['name'] ) ? ' style="display: block;"' : '';
              echo '<div id="cs-tab-'. $section['name'] .'" class="cs-section"'. $active_content .'>';
              echo ( isset( $section['title'] ) && empty( $has_nav ) ) ? '<div class="cs-section-title"><h3>'. $section['title'] .'</h3></div>' : '';
              $this->do_settings_sections( $section['name'] . '_section_group' );
              echo '</div>';

}

echo '</div>'; // end .cs-sections

echo '<div class="clear"></div>';

echo '</div>'; // end .cs-content

echo '<div class="cs-nav-background"></div>';

echo '</div>'; // end .cs-body

echo '<footer class="cs-footer">';
      echo '<div class="cs-block-left">Powered by Codestar Framework.</div>';
      echo '<div class="cs-block-right">Version '. CS_VERSION .'</div>';
      echo '<div class="clear"></div>';
      echo '</footer>'; // end .cs-footer

echo '</form>'; // end form

echo '<div class="clear"></div>';

echo '</div>'; // end .cs-framework

}

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