<?php if ( ! defined( 'OT_VERSION' ) ) exit( 'No direct script access allowed' );

/**

 * OptionTree Meta Box API

 *

 * This class loads all the methods and helpers specific to build a meta box.

 *

 * @package   OptionTree

 * @author    Derek Herman <derek@valendesigns.com>

 * @copyright Copyright (c) 2013, Derek Herman

 */

if ( ! class_exists( 'OT_Meta_Box' ) ) {

  class OT_Meta_Box {

    /* variable to store the meta box array */

    private $meta_box;

    /**

     * PHP5 constructor method.

     *

     * This method adds other methods of the class to specific hooks within WordPress.

     *

     * @uses      add_action()

     *

     * @return    void

     *

     * @access    public

     * @since     1.0

     */

    function __construct( $meta_box ) {

      if ( ! is_admin() )

        return;

      $this->meta_box = $meta_box;

      add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ) );

      add_action( 'save_post', array( $this, 'save_meta_box' ), 1, 2 );

    }

    /**

     * Adds meta box to any post type

     *

     * @uses      add_meta_box()

     *

     * @return    void

     *

     * @access    public

     * @since     1.0

     */

    function add_meta_boxes() {

      foreach ( (array) $this->meta_box['pages'] as $page ) {

        add_meta_box( $this->meta_box['id'], $this->meta_box['title'], array( $this, 'build_meta_box' ), $page, $this->meta_box['context'], $this->meta_box['priority'], $this->meta_box['fields'] );

      }

    }

    /**

     * Meta box view

     *

     * @return    string

     *

     * @access    public

     * @since     1.0

     */

    function build_meta_box( $post, $metabox ) {

      echo '<div class="ot-metabox-wrapper">';

        /* Use nonce for verification */

        echo '<input type="hidden" name="' . $this->meta_box['id'] . '_nonce" value="' . wp_create_nonce( $this->meta_box['id'] ) . '" />';

        /* meta box description */

        echo isset( $this->meta_box['desc'] ) && ! empty( $this->meta_box['desc'] ) ? '<div class="description" style="padding-top:10px;">' . htmlspecialchars_decode( $this->meta_box['desc'] ) . '</div>' : '';

        /* loop through meta box fields */

        foreach ( $this->meta_box['fields'] as $field ) {

          /* get current post meta data */

          $field_value = get_post_meta( $post->ID, $field['id'], true );

          /* set standard value */

          if ( isset( $field['std'] ) ) {  

            $field_value = ot_filter_std_value( $field_value, $field['std'] );

          }

          /* build the arguments array */

          $_args = array(

            'type'              => $field['type'],

            'field_id'          => $field['id'],

            'field_name'        => $field['id'],

            'field_value'       => $field_value,

            'field_desc'        => isset( $field['desc'] ) ? $field['desc'] : '',

            'field_std'         => isset( $field['std'] ) ? $field['std'] : '',

            'field_rows'        => isset( $field['rows'] ) && ! empty( $field['rows'] ) ? $field['rows'] : 10,

            'field_post_type'   => isset( $field['post_type'] ) && ! empty( $field['post_type'] ) ? $field['post_type'] : 'post',

            'field_taxonomy'    => isset( $field['taxonomy'] ) && ! empty( $field['taxonomy'] ) ? $field['taxonomy'] : 'category',

            'field_min_max_step'=> isset( $field['min_max_step'] ) && ! empty( $field['min_max_step'] ) ? $field['min_max_step'] : '0,100,1',

            'field_class'       => isset( $field['class'] ) ? $field['class'] : '',

            'field_choices'     => isset( $field['choices'] ) ? $field['choices'] : array(),

            'field_settings'    => isset( $field['settings'] ) && ! empty( $field['settings'] ) ? $field['settings'] : array(),

            'post_id'           => $post->ID,

            'meta'              => true

          );

          /* only allow simple textarea due to DOM issues with wp_editor() */

          if ( $_args['type'] == 'textarea' )

            $_args['type'] = 'textarea-simple';

          /* option label */

          echo '<div class="format-settings">';

            /* don't show title with textblocks */

            if ( $_args['type'] != 'textblock' && ! empty( $field['label'] ) ) {

              echo '<div class="format-setting-label">';

                echo '<label for="' . $_args['field_id'] . '" class="label">' . $field['label'] . '</label>';

              echo '</div>';

            }

            /* get the option HTML */

            echo ot_display_by_type( $_args );

          echo '</div>';

        }

      echo '</div>';

    }

    /**

     * Saves the meta box values

     *

     * @return    void

     *

     * @access    public

     * @since     1.0

     */

    function save_meta_box( $post_id, $post_object ) {

      global $pagenow;

      /* don't save if $_POST is empty */

      if ( empty( $_POST ) )

        return $post_id;

      /* don't save during quick edit */

      if ( $pagenow == 'admin-ajax.php' )

        return $post_id;

      /* don't save during autosave */

      if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )

        return $post_id;

      /* don't save if viewing a revision */

      if ( $post_object->post_type == 'revision' || $pagenow == 'revision.php' )

        return $post_id;

      /* verify nonce */

      if ( isset( $_POST[ $this->meta_box['id'] . '_nonce'] ) && ! wp_verify_nonce( $_POST[ $this->meta_box['id'] . '_nonce'], $this->meta_box['id'] ) )

        return $post_id;

      /* check permissions */

      if ( isset( $_POST['post_type'] ) && 'page' == $_POST['post_type'] ) {

        if ( ! current_user_can( 'edit_page', $post_id ) )

          return $post_id;

      } else {

        if ( ! current_user_can( 'edit_post', $post_id ) )

          return $post_id;

      }

      foreach ( $this->meta_box['fields'] as $field ) {

        $old = get_post_meta( $post_id, $field['id'], true );

        $new = '';

        /* there is data to validate */

        if ( isset( $_POST[$field['id']] ) ) {

          /* slider and list item */

          if ( in_array( $field['type'], array( 'list-item', 'slider' ) ) ) {

            /* required title setting */

            $required_setting = array(

              array(

                'id'        => 'title',

                'label'     => __( 'Title', 'option-tree' ),

                'desc'      => '',

                'std'       => '',

                'type'      => 'text',

                'rows'      => '',

                'class'     => 'option-tree-setting-title',

                'post_type' => '',

                'choices'   => array()

              )

            );

            /* get the settings array */

            $settings = isset( $_POST[$field['id'] . '_settings_array'] ) ? unserialize( ot_decode( $_POST[$field['id'] . '_settings_array'] ) ) : array();

            /* settings are empty for some odd ass reason get the defaults */

            if ( empty( $settings ) ) {

              $settings = 'slider' == $field['type'] ? 

              ot_slider_settings( $field['id'] ) : 

              ot_list_item_settings( $field['id'] );

            }

            /* merge the two settings array */

            $settings = array_merge( $required_setting, $settings );

            foreach( $_POST[$field['id']] as $k => $setting_array ) {

              foreach( $settings as $sub_setting ) {

                /* verify sub setting has a type & value */

                if ( isset( $sub_setting['type'] ) && isset( $_POST[$field['id']][$k][$sub_setting['id']] ) ) {

                  $_POST[$field['id']][$k][$sub_setting['id']] = ot_validate_setting( $_POST[$field['id']][$k][$sub_setting['id']], $sub_setting['type'], $sub_setting['id'] );

                }

              }

            }

            /* set up new data with validated data */

            $new = $_POST[$field['id']];

          } else {

            /* run through validattion */

            $new = ot_validate_setting( $_POST[$field['id']], $field['type'], $field['id'] );

          }

          /* insert CSS */

          if ( $field['type'] == 'css' ) {

            /* insert CSS into dynamic.css */

            if ( '' !== $new ) {

              ot_insert_css_with_markers( $field['id'], $new, true );

            /* remove old CSS from dynamic.css */

            } else {

              ot_remove_old_css( $field['id'] );

            }

          }

        }

        if ( $new && $new !== $old ) {

          update_post_meta( $post_id, $field['id'], $new );

        } else if ( '' == $new && $old ) {

          delete_post_meta( $post_id, $field['id'], $old );

        }

      }

    }

  }

}

/**

 * This method instantiates the meta box class & builds the UI.

 *

 * @uses     OT_Meta_Box()

 *

 * @param    array    Array of arguments to create a meta box

 * @return   void

 *

 * @access   public

 * @since    2.0

 */

if ( ! function_exists( 'ot_register_meta_box' ) ) {

  function ot_register_meta_box( $args ) {

    if ( ! $args )

      return;

    $ot_meta_box = new OT_Meta_Box( $args );

  }

}

/* End of file ot-meta-box-api.php */

/* Location: ./includes/ot-meta-box-api.php */