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编辑当前文件:/home2/sdektunc/timucuy.com/wp-content/themes/customizr/core/czr-admin-ccat.php

<?php
/**
* Init admin actions : loads the meta boxes,
*
*/
if ( !class_exists( 'CZR_admin_init' ) ) :
  class CZR_admin_init {
    static $instance;
    function __construct () {

self::$instance =& $this;
      //enqueue additional styling for admin screens
      add_action( 'admin_init'            , array( $this, 'czr_fn_admin_style' ) );

//refresh the post / CPT / page thumbnail on save. Since v3.3.2.
      add_action ( 'save_post'            , array( $this, 'czr_fn_refresh_thumbnail') , 10, 2);

//Load the editor-style specific (post formats and RTL), the user style.css, the active skin
      //add user defined fonts in the editor style (@see the query args add_editor_style below)
      //The hook used to be after_setup_theme, but, don't know from whic WP version, is_rtl() always returns false at that stage.
      add_action( 'init'                  , array( $this, 'czr_fn_add_editor_style') );

add_filter( 'tiny_mce_before_init'  , array( $this, 'czr_fn_user_defined_tinymce_css') );

//refresh the terms array (categories/tags pickers options) on term deletion
      add_action ( 'delete_term'          , array( $this, 'czr_fn_refresh_terms_pickers_options_cb'), 10, 3 );

add_action( 'admin_footer'                  , array( $this , 'czr_fn_write_ajax_dismis_script' ) );

//UPDATE NOTICE
      add_action( 'admin_notices'         , array( $this, 'czr_fn_may_be_display_update_notice') );
      //always add the ajax action
      add_action( 'wp_ajax_dismiss_customizr_update_notice'    , array( $this , 'czr_fn_dismiss_update_notice_action' ) );

/* beautify admin notice text using some defaults the_content filter callbacks */
      foreach ( array( 'wptexturize', 'convert_smilies', 'wpautop') as $callback ) {
        add_filter( 'czr_update_notice', $callback );
      }
    }

/**
   * hook : 'admin_init'
   * enqueue additional styling for admin screens
   * @package Customizr
   * @since Customizr 3.0.4
   */
    function czr_fn_admin_style() {
      wp_enqueue_style(
        'tc-admincss',
        sprintf('%1$sback/css/tc_admin%2$s.css' ,
          CZR_BASE_URL . CZR_ASSETS_PREFIX,
          ( defined('WP_DEBUG') && true === WP_DEBUG ) ? '' : '.min'
        ),
        array(),
        ( defined('WP_DEBUG') && true === WP_DEBUG ) ? CUSTOMIZR_VER . time() : CUSTOMIZR_VER
      );
    }

/*
    * @return void
    * updates the tc-thumb-fld post meta with the relevant thumb id and type
    * @package Customizr
    * @since Customizr 3.3.2
    */
    function czr_fn_refresh_thumbnail( $post_id, $post ) {
      // If this is just a revision, don't send the email.
      if ( wp_is_post_revision( $post_id ) || ( !empty($post) && 'auto-draft' == $post->post_status ) )
        return;

//if czr4
      if ( czr_fn_is_ms() ) {

if ( function_exists( 'czr_fn_set_thumb_info' ) )
          czr_fn_set_thumb_info( $post_id );

}
      else {

if ( !class_exists( 'CZR_post_thumbnails' ) || !is_object(CZR_post_thumbnails::$instance) ) {
          CZR___::$instance->czr_fn_req_once( 'inc/czr-front-ccat.php' );
          new CZR_post_thumbnails();
        }

CZR_post_thumbnails::$instance->czr_fn_set_thumb_info( $post_id );

}

/*
    * hook : 'delete_term'
    * @return void
    * updates the term pickers related options
    * @package Customizr
    * @since Customizr 3.4.10
    */
    function czr_fn_refresh_terms_pickers_options_cb( $term, $tt_id, $taxonomy ) {
      switch ( $taxonomy ) {

//delete categories based options
        case 'category':
          $this->czr_fn_refresh_term_picker_options( $term, $option_name = 'tc_blog_restrict_by_cat' );
          break;
      }
    }

function czr_fn_refresh_term_picker_options( $term, $option_name, $option_group = null ) {
       // czr_fn_get_opt and czr_fn_set_option in core/utils/ class-fire-utils_option
       //home/blog posts category picker
       $_option = czr_fn_opt( $option_name, $option_group, $use_default = false );
       if ( is_array( $_option ) && !empty( $_option ) && in_array( $term, $_option ) )
         //update the option
         czr_fn_set_option( $option_name, array_diff( $_option, (array)$term ) );

//alternative, cycle throughout the cats and keep just the existent ones
       /*if ( is_array( $blog_cats ) && !empty( $blog_cats ) ) {
         //update the option
         czr_fn_set_option( 'tc_blog_restrict_by_cat', array_filter( $blog_cats, 'czr_fn_category_id_exists' ) );
       }*/
    }

/*
    * hook : 'czr_add_custom_fonts_to_editor'
    * @return css string
    *
    * @package Customizr
    * @since Customizr 3.2.10
    */
    function czr_fn_maybe_add_gfonts_to_editor() {
      $_font_pair         = esc_attr( czr_fn_opt('tc_fonts') );
      $_all_font_pairs    = CZR___::$instance->font_pairs;
      if ( false === strpos($_font_pair,'_g_') )
        return;
      //Commas in a URL need to be encoded before the string can be passed to add_editor_style.
      //czr_fn_get_font defined in core/utils/class-fire-utils
      return array(
        str_replace(
          ',',
          '%2C',
          sprintf( '//fonts.googleapis.com/css?family=%s', czr_fn_get_font( 'single' , $_font_pair ) )
        )
      );
    }

/**
   * Extract changelog of latest version from readme.txt file
   * @package Customizr
   * @since Customizr 3.0.5
   */
    function czr_fn_extract_changelog() {

if( !file_exists(CZR_BASE."readme.txt") ) {
        return;
      }
      if( !is_readable(CZR_BASE."readme.txt") ) {
        echo '<p>The changelog in readme.txt is not readable.</p>';
        return;
      }

$stylelines = explode("\n", implode('', file(CZR_BASE."readme.txt")));
      $read = false;
      $i = 0;

foreach ($stylelines as $line) {
        //echo 'i = '.$i.'|read = '.$read.'pos = '.strpos($line, '= ').'|line :'.$line.'<br/>';
        //we stop reading if we reach the next version change
        if ($i == 1 && strpos($line, '= ') === 0 ) {
          $read = false;
          $i = 0;
        }
        //we write the line if between current and previous version
        if ($read) {
          echo $line.'<br/>';
        }
        //we skip all lines before the current version changelog
        if ($line != strpos($line, '= '.CUSTOMIZR_VER)) {
          if ($i == 0) {
            $read = false;
          }
        }
        //we begin to read after current version title
        else {
          $read = true;
          $i = 1;
        }
      }
    }

/**
    * Customizr styles the visual editor to resemble the theme style,
    * Loads the editor-style specific (post formats and RTL), the active skin, the user style.css, the user_defined fonts
    * @package Customizr
    * @since Customizr 3.2.11
    *
    */
    function czr_fn_add_editor_style() {
      //array_filter to remove empty array items is not needed as wp function get_editor_stylesheets() (since WP 4.0)
      //will do that for us

//we need only the relative path, otherwise get_editor_stylesheets() will treat this as external CSS
      //which means:
      //a) child-themes cannot override it
      //b) no check on the file existence will be made (producing the rtl error, for instance : https://github.com/presscustomizr/customizr/issues/926)

//as of v4.0.10 the editor-style.css is the classic editor style for the Customizr classic style
      //4.1.23 block editor style introduced for the Customizr modern style only

//as of 4.1.38 block editor style introduced for the Customizr modern style too
      $_style_suffix = CZR_DEBUG_MODE || CZR_DEV_MODE ? '.css' : '.min.css' ;
      $_stylesheets = czr_fn_is_ms() ? array( CZR_ASSETS_PREFIX . 'back/css/block-editor-style' . $_style_suffix ) : array( CZR_ASSETS_PREFIX . 'back/css/editor-style' . $_style_suffix, CZR_ASSETS_PREFIX . 'back/css/block-editor-style-cs' . $_style_suffix );

$_stylesheets[] = 'style.css';
      if ( !czr_fn_is_ms() ) {
        $_stylesheets[] = 'inc/assets/css/' . esc_attr( czr_fn_opt( 'tc_skin' ) );
      }

if ( apply_filters( 'czr_add_custom_fonts_to_editor' , false != $this->czr_fn_maybe_add_gfonts_to_editor() ) )
        $_stylesheets = array_merge( $_stylesheets , $this->czr_fn_maybe_add_gfonts_to_editor() );
      add_editor_style( $_stylesheets );

}

/**
    * Extend TinyMCE config with a setup function.
    * See http://www.tinymce.com/wiki.php/API3:event.tinymce.Editor.onInit
    * http://wordpress.stackexchange.com/questions/120831/how-to-add-custom-css-theme-option-to-tinymce
    * @package Customizr
    * @since Customizr 3.2.11
    *
    */
    function czr_fn_user_defined_tinymce_css( $init ) {

if ( !apply_filters( 'czr_add_custom_fonts_to_editor' , true ) )
        return $init;

if ( 'tinymce' != wp_default_editor() )
        return $init;

$_css = '';
      //maybe add rtl class
      $_mce_body_context = is_rtl() ? 'mce-content-body.rtl' : 'mce-content-body';

//if modern
      if ( czr_fn_is_ms() ) {
        //some plugins fire tiny mce editor in the customizer
        //in this case, the CZR_resources_fonts class has to be loaded
        if ( !class_exists('CZR_resources_fonts') || !is_object(CZR_resources_fonts::$instance) )
          CZR()->czr_fn_load( array('fire' => array( array('core' , 'resources_fonts') ) ), true );

if ( class_exists('CZR_resources_fonts') && is_object(CZR_resources_fonts::$instance) ) {
          //fonts
          $_css  .= CZR_resources_fonts::$instance->czr_fn_write_fonts_inline_css( '', $_mce_body_context );
        }

//skin
        //some plugins fire tiny mce editor in the customizer
        //in this case, the CZR_resources_styles class has to be loaded
        if ( !class_exists('CZR_resources_styles') || !is_object(CZR_resources_styles::$instance) )
          CZR()->czr_fn_load( array('fire' => array( array('core' , 'resources_styles') ) ), true );

if ( class_exists('CZR_resources_styles') && is_object(CZR_resources_styles::$instance) ) {

//dynamic skin
          $_css  .= CZR_resources_styles::$instance->czr_fn_maybe_write_skin_inline_css( '' );

}

}
      //classic
      else {

//some plugins fire tiny mce editor in the customizer
        //in this case, the CZR_resource class has to be loaded
        if ( !class_exists('CZR_resources') || !is_object(CZR_resources::$instance) ) {
          CZR___::$instance->czr_fn_req_once( 'inc/czr-init-ccat.php' );
          new CZR_resources();
        }

//fonts
        $_css = CZR_resources::$instance->czr_fn_write_fonts_inline_css( '', $_mce_body_context );

}

if ( $_css )
        $init['content_style'] = trim(preg_replace('/\s+/', ' ', $_css ) );

return $init;

}

/**
    * hook : admin_footer
    */
    function czr_fn_write_ajax_dismis_script() {
      ?>
      <script type="text/javascript" id="tc-dismiss-update-notice">
        ( function($){
          var _ajax_action = function( $_el ) {
              var AjaxUrl = "<?php echo admin_url( 'admin-ajax.php' ); ?>",
                  _query  = {
                      action  : 'dismiss_customizr_update_notice',
                      dismissUpdateNoticeNonce :  "<?php echo wp_create_nonce( 'dismiss-update-notice-nonce' ); ?>"
                  },
                  $ = jQuery,
                  request = $.post( AjaxUrl, _query );

request.fail( function ( response ) {
                //console.log('response when failed : ', response);
              });
              request.done( function( response ) {
                //console.log('RESPONSE DONE', $_el, response);
                // Check if the user is logged out.
                if ( '0' === response )
                  return;
                // Check for cheaters.
                if ( '-1' === response )
                  return;

$_el.closest('.updated').slideToggle('fast');
              });
          };//end of fn

//on load
          $( function($) {
            $('.tc-dismiss-update-notice').on('click', function( e ) {
              e.preventDefault();
              _ajax_action( $(this) );
            });
          });

} )( jQuery );

</script>
      <?php
    }

/**********************************************************************************
    * UPDATE NOTICE
    * User gets notified when the version stores in the db option 'last_update_notice'
    * is < current version of the theme (CUSTOMIZR_VER)
    * User can dismiss the notice and the option get updated by ajax to the current version
    * The notice will be displayed a maximum of 5 times and will be automatically dismissed until the next update.
    * => users won't be notified again until the next update.
    **********************************************************************************/
    /**
    * hook : admin_notices
    */
    function czr_fn_may_be_display_update_notice() {
      //don't display update notification for a list of versions
      //typically useful when several versions are released in a short time interval
      //to avoid hammering the wp admin dashboard with a new admin notice each time
      if ( ( defined('DISPLAY_UPDATE_NOTIFICATION') && !DISPLAY_UPDATE_NOTIFICATION ) || ( defined('DISPLAY_PRO_UPDATE_NOTIFICATION') && !DISPLAY_PRO_UPDATE_NOTIFICATION ) )
        return;

$opt_name                   = CZR_IS_PRO ? 'last_update_notice_pro' : 'last_update_notice';
      $last_update_notice_values  = czr_fn_opt($opt_name);
      $show_new_notice = false;
      $display_ct = 50;

if ( !$last_update_notice_values || !is_array($last_update_notice_values) ) {
        //first time user of the theme, the option does not exist
        // 1) initialize it => set it to the current Customizr version, displayed 0 times.
        // 2) update in db
        $last_update_notice_values = array( "version" => CUSTOMIZR_VER, "display_count" => 0 );
        czr_fn_set_option( $opt_name, $last_update_notice_values );
        //already user of the theme ?
        if ( czr_fn_user_started_before_version( CUSTOMIZR_VER, CUSTOMIZR_VER ) )
          $show_new_notice = true;
      }

$_db_version          = $last_update_notice_values["version"];
      $_db_displayed_count  = $last_update_notice_values["display_count"];

// user who just upgraded the theme will be notified until he clicks on the dismiss link
      // when clicking on the dismiss link OR when the notice has been displayed n times.
      // - version will be set to CUSTOMIZR_VER
      // - display_count reset to 0
      if ( version_compare( CUSTOMIZR_VER, $_db_version , '>' ) ) {
          //CASE 1 : displayed less than n times
          if ( $_db_displayed_count < $display_ct ) {
              $show_new_notice = true;
              //increments the counter
              (int) $_db_displayed_count++;
              $last_update_notice_values["display_count"] = $_db_displayed_count;
              //updates the option val with the new count
              czr_fn_set_option( $opt_name, $last_update_notice_values );
          }
          //CASE 2 : displayed n times => automatic dismiss
          else {
              //reset option value with new version and counter to 0
              $new_val  = array( "version" => CUSTOMIZR_VER, "display_count" => 0 );
              czr_fn_set_option( $opt_name, $new_val );
          }//end else
      }//end if

if ( !$show_new_notice )
        return;

// prefixed CZR_Plugin_Activation because of the possible issue : https://github.com/presscustomizr/customizr/issues/1603
      if ( !czr_fn_is_plugin_active('nimble-builder/nimble-builder.php') && class_exists('CZR_Plugin_Activation') && !CZR_Plugin_Activation::get_instance()->czr_fn_is_notice_dismissed() )
        return;

ob_start();
        ?>
        <div class="updated czr-update-notice" style="position:relative">
          <?php
            echo apply_filters(
              'czr_update_notice',
              sprintf('<h3>%1$s %2$s %3$s %4$s :D</h3>',
                __( "Good, you've recently upgraded to", "customizr"),
                CZR_IS_PRO ? 'Customizr Pro' : 'Customizr',
                __( "version", "customizr"),
                CUSTOMIZR_VER
              )
            );
          ?>
          <?php
            echo apply_filters(
              'czr_update_notice',
              sprintf( '<h4>%1$s <a class="" href="%2$s" title="%3$s" target="_blank">%3$s »</a></h4>%4$s',
                __( "We'd like to introduce the new features we've been working on.", "customizr"),
                CZR_WEBSITE . "category/customizr-releases/",
                __( "Read the latest release notes" , "customizr" ),
                apply_filters( 'czr_update_notice_after', '' )
              )
            );
          ?>
          <p style="text-align:right;position: absolute;font-size: 1.1em;<?php echo is_rtl()? 'left' : 'right';?>: 7px;bottom: -5px;">
            <?php printf('<a href="#" title="%1$s" class="tc-dismiss-update-notice"> ( %1$s <strong>X</strong> ) </a>',
                __('close' , 'customizr')
              );
            ?>
          </p>
        </div>
        <?php
      $_html = ob_get_contents();
      if ($_html) ob_end_clean();
      echo $_html;
    }

/**
    * hook : wp_ajax_dismiss_customizr_update_notice
    * => sets the last_update_notice to the current Customizr version when user click on dismiss notice link
    */
    function czr_fn_dismiss_update_notice_action() {
      check_ajax_referer( 'dismiss-update-notice-nonce', 'dismissUpdateNoticeNonce' );
      $opt_name = CZR_IS_PRO ? 'last_update_notice_pro' : 'last_update_notice';
      //reset option value with new version and counter to 0
      $new_val  = array( "version" => CUSTOMIZR_VER, "display_count" => 0 );
      czr_fn_set_option( $opt_name, $new_val );
      wp_die();
    }

}//end of class
endif;

?><?php
/**
* Init admin page actions : Welcome, help page
*
*/
if ( !class_exists( 'CZR_admin_page' ) ) :
  class CZR_admin_page {
    static $instance;
    public $support_url;

function __construct () {
      self::$instance =& $this;
      //add welcome page in menu
      add_action( 'admin_menu'             , array( $this , 'czr_fn_add_welcome_page' ));
      //config infos
      add_action( '__after_welcome_panel'  , array( $this , 'czr_fn_config_infos' ), 10 );
      //changelog
      add_action( '__after_welcome_panel'  , array( $this , 'czr_fn_print_changelog' ), 20);
      //build the support url
      $this->support_url = CZR_IS_PRO ? esc_url( sprintf('%ssupport' , CZR_WEBSITE ) ) : esc_url('wordpress.org/support/theme/customizr');
      //fix #wpfooter absolute positioning in the welcome and about pages
      add_action( 'admin_print_styles'     , array( $this, 'czr_fn_fix_wp_footer_link_style') );
      //knowledgebase
      if ( CZR_IS_PRO ) {
          add_action( 'current_screen'         , array( $this , 'czr_schedule_welcome_page_actions') );
      }
    }

/**
   * Add fallback admin page.
   * @package Customizr
   * @since Customizr 1.1
   */
    function czr_fn_add_welcome_page() {
        $_name = __( 'About Customizr' , 'customizr' );
        $_name = CZR_IS_PRO ? sprintf( '%s Pro', $_name ) : $_name;

$theme_page = add_theme_page(
            $_name,   // Name of page
            $_name,   // Label in menu
            'edit_theme_options' ,          // Capability required
            'welcome.php' ,             // Menu slug, used to uniquely identify the page
            array( $this , 'czr_fn_welcome_panel' )         //function to be called to output the content of this page
        );
    }

/**
     * Render welcome admin page.
     * @package Customizr
     * @since Customizr 3.0.4
     */
      function czr_fn_welcome_panel() {

$is_help        = isset($_GET['help'])  ?  true : false;
        $_faq_url       = esc_url('http://docs.presscustomizr.com/category/90-faq-and-common-issues');
        $_support_url   = $this->support_url;
        $_theme_name    = CZR_IS_PRO ? 'Customizr Pro' : 'Customizr';

do_action('__before_welcome_panel');

?>
        <div id="customizr-admin-panel" class="wrap about-wrap">
          <?php
            $title = sprintf( '<h1 class="need-help-title">%1$s %2$s %3$s :)</h1>',
              __( "Thank you for using", "customizr" ),
              $_theme_name,
              CUSTOMIZR_VER
            );
            echo convert_smilies( $title );
          ?>

<?php if ( $is_help && !CZR_IS_PRO ) : ?>

</div>

<?php else : ?>

<div class="about-text tc-welcome">
              <?php
                printf( '<p>%1$s</p>',
                  sprintf( __( "The best way to start with %s is to read the %s and visit the %s.", "customizr"),
                    $_theme_name,
                    sprintf( '<a href="%1$s" title="%2$s" target="_blank">%2$s</a>', esc_url('docs.presscustomizr.com'), __("documentation", "customizr") ),
                    sprintf( '<a href="%1$s" title="%2$s" target="_blank">%2$s</a>', esc_url('demo.presscustomizr.com'), __("demo website", "customizr") )
                  )
                );
                printf( '<p><a href="#customizr-changelog">%1$s</a></p>',
                  __( "Read the changelog", "customizr")
                );
              ?>
            </div>

<?php endif; ?>

<?php if ( czr_fn_is_child() ) : ?>
            <div class="changelog point-releases"></div>

<div class="tc-upgrade-notice">
              <p>
              <?php
                printf( __('You are using a child theme of Customizr %1$s : always check the %2$s after upgrading to see if a function or a template has been deprecated.' , 'customizr'),
                  'v'.CUSTOMIZR_VER,
                  '<strong><a href="#customizr-changelog">changelog</a></strong>'
                  );
                ?>
              </p>
            </div>
          <?php endif; ?>

<?php do_action( 'czr_after_welcome_admin_intro' ); ?>

<?php if ( !CZR_IS_PRO ) : ?>
            <div class="changelog">

<div class="col">
                    <h3 style="font-size:1.3em;"><?php _e( 'Happy user of Customizr?','customizr' ); ?></h3>
                    <p><?php _e( 'If you are happy with the theme, say it on wordpress.org and give Customizr a nice review! <br />(We are addicted to your feedbacks...)','customizr' ) ?></br>
                    <a class="button-primary review-customizr" title="Customizr WordPress Theme" href="<?php echo esc_url('wordpress.org/support/view/theme-reviews/customizr') ?>" target="_blank">Review Customizr »</a></p>
                  </div>

<div class="last-feature col">
                    <h3 style="font-size:1.3em;"><?php _e( 'Follow us','customizr' ); ?></h3>
                    <p class="tc-follow"><a href="<?php echo esc_url( CZR_WEBSITE . 'blog' ); ?>" target="_blank"><img style="border:none;width:auto;" src="<?php echo CZR_BASE_URL . CZR_ASSETS_PREFIX.'back/img/pc.png?' . CUSTOMIZR_VER ?>" alt="Press Customizr" /></a></p>

</div>
                </div>

</div>
          <?php endif; //end if ! is_pro ?>

<?php do_action( '__after_welcome_panel' ); ?>

</div>
      <?php
    }

/**
   * Extract changelog of latest version from readme.txt file
   *
   * @package Customizr
   * @since Customizr 3.0.5
   */
    function czr_fn_print_changelog() {
      if ( isset($_GET['help']) )
        return;
      if( !file_exists( CZR_BASE . "readme.txt" ) ) {
        return;
      }
      if( !is_readable( CZR_BASE . "readme.txt" ) ) {
        echo '<p>The changelog in readme.txt is not readable.</p>';
        return;
      }

$html = '';
      $stylelines = explode("\n", implode('', file( CZR_BASE . "readme.txt" ) ) );
      $read = false;
      $is_title = false;

foreach ($stylelines as $line) {
          $is_title = 0 === strpos($line, '= ');

//we start reading after current version title
          if ( 0 === strpos($line, '= '. CUSTOMIZR_VER) ) {
            $read = true;
          }

if ( !$read )
            continue;

if ( $is_title ) {
            $html .= sprintf( '<strong>%1$s</strong><br/>', esc_attr( $line ) );
          } else {
            $html .= sprintf( '<i>%1$s</i><br/>', esc_attr( $line ) );
          }
      }
      do_action('__before_changelog')
      ?>
      <div id="customizr-changelog" class="changelog">
        <h3><?php printf( __( 'Changelog in version %1$s' , 'customizr' ) , CUSTOMIZR_VER ); ?></h3>
          <p><?php echo $html ?></p>
      </div>
      <?php
    }

/*
    * Inspired by Easy Digital Download plugin by Pippin Williamson
    * @since 3.2.1
    */
    function czr_fn_config_infos() {
      global $wpdb;
      $theme_data   = wp_get_theme();
      $theme        = $theme_data->Name . ' ' . $theme_data->Version;
      $parent_theme = $theme_data->Template;
      if ( !empty( $parent_theme ) ) {
        $parent_theme_data = wp_get_theme( $parent_theme );
        $parent_theme      = $parent_theme_data->Name . ' ' . $parent_theme_data->Version;
      }
      ?>
<div class="wrap tc-config-info">
<h3><?php _e( 'System Informations', 'customizr' ); ?></h3>
<h4 style="text-align: left"><?php _e( 'Please include the following informations when posting support requests' , 'customizr' ) ?></h4>
<textarea readonly="readonly" onclick="this.focus();this.select()" id="system-info-textarea" name="tc-sysinfo" title="<?php _e( 'To copy the system infos, click below then press Ctrl + C (PC) or Cmd + C (Mac).', 'customizr' ); ?>" style="width: 800px;min-height: 800px;font-family: Menlo,Monaco,monospace;background: 0 0;white-space: pre;overflow: auto;display:block;">
<?php do_action( '__system_config_before' ); ?>
# SITE_URL:                 <?php echo esc_url( site_url() ) . "\n"; ?>
# HOME_URL:                 <?php echo esc_url( home_url() ) . "\n"; ?>
# IS MULTISITE :            <?php echo is_multisite() ? 'Yes' . "\n" : 'No' . "\n" ?>

# ACTIVE THEME :            <?php echo $theme . "\n"; ?>
<?php if ( $parent_theme !== $theme ) : ?>
# PARENT THEME :            <?php echo $parent_theme . "\n"; ?>
<?php endif; ?>
# WP VERSION :              <?php echo get_bloginfo( 'version' ) . "\n"; ?>
# PERMALINK STRUCTURE :     <?php echo get_option( 'permalink_structure' ) . "\n"; ?>

# ACTIVE PLUGINS :
<?php
$plugins = get_plugins();
$active_plugins = get_option( 'active_plugins', array() );

foreach ( $plugins as $plugin_path => $plugin ) {
  // If the plugin isn't active, don't show it.
  if ( !in_array( $plugin_path, $active_plugins ) )
    continue;

echo $plugin['Name'] . ': ' . $plugin['Version'] ."\n";
}

if ( is_multisite() ) :
?>
#  NETWORK ACTIVE PLUGINS:
<?php
$plugins = wp_get_active_network_plugins();
$active_plugins = get_site_option( 'active_sitewide_plugins', array() );

foreach ( $plugins as $plugin_path ) {
  $plugin_base = plugin_basename( $plugin_path );

// If the plugin isn't active, don't show it.
  if ( !array_key_exists( $plugin_base, $active_plugins ) )
    continue;

$plugin = get_plugin_data( $plugin_path );

echo $plugin['Name'] . ' :' . $plugin['Version'] ."\n";
}
endif;
//GET MYSQL VERSION
global $wpdb;
$mysql_ver =  ( !empty( $wpdb->use_mysqli ) && $wpdb->use_mysqli ) ? @mysqli_get_server_info( $wpdb->dbh ) : '';
?>

PHP Version:              <?php echo PHP_VERSION . "\n"; ?>
MySQL Version:            <?php echo $mysql_ver . "\n"; ?>
Web Server Info:          <?php echo $_SERVER['SERVER_SOFTWARE'] . "\n"; ?>

WordPress Memory Limit:   <?php echo ( $this->czr_fn_let_to_num( WP_MEMORY_LIMIT )/( 1024 ) )."MB"; ?><?php echo "\n"; ?>
PHP Memory Limit:         <?php echo ini_get( 'memory_limit' ) . "\n"; ?>
PHP Upload Max Size:      <?php echo ini_get( 'upload_max_filesize' ) . "\n"; ?>
PHP Post Max Size:        <?php echo ini_get( 'post_max_size' ) . "\n"; ?>
PHP Upload Max Filesize:  <?php echo ini_get( 'upload_max_filesize' ) . "\n"; ?>
PHP Time Limit:           <?php echo ini_get( 'max_execution_time' ) . "\n"; ?>
PHP Max Input Vars:       <?php echo ini_get( 'max_input_vars' ) . "\n"; ?>
PHP Arg Separator:        <?php echo ini_get( 'arg_separator.output' ) . "\n"; ?>
PHP Allow URL File Open:  <?php echo ini_get( 'allow_url_fopen' ) ? "Yes" : "No\n"; ?>

WP_DEBUG:                 <?php echo defined( 'WP_DEBUG' ) ? WP_DEBUG ? 'Enabled' . "\n" : 'Disabled' . "\n" : 'Not set' . "\n" ?>

Show On Front:            <?php echo get_option( 'show_on_front' ) . "\n" ?>
Page On Front:            <?php $id = get_option( 'page_on_front' ); echo get_the_title( $id ) . ' (#' . $id . ')' . "\n" ?>
Page For Posts:           <?php $id = get_option( 'page_for_posts' ); echo get_the_title( $id ) . ' (#' . $id . ')' . "\n" ?>
<?php do_action( '__system_config_after' ); ?>
</textarea>
</div>
</div>
      <?php
      }//end of function

/**
       * TC Let To Num
       *
       * Does Size Conversions
       *
       *
       * @since 3.2.2
       */
      function czr_fn_let_to_num( $v ) {
        $l   = substr( $v, -1 );
        $ret = substr( $v, 0, -1 );

switch ( strtoupper( $l ) ) {
          case 'P': // fall-through
          case 'T': // fall-through
          case 'G': // fall-through
          case 'M': // fall-through
          case 'K': // fall-through
            $ret *= 1024;
            break;
          default:
            break;
        }

return $ret;
      }

/**
    * hook : admin_print_styles
    * fix the absolute positioning of the wp footer admin link in the welcome pages
    * @return void
    */
    function czr_fn_fix_wp_footer_link_style() {
      $screen = get_current_screen();
      if ( !is_object($screen) )
        return;
      if ( 'appearance_page_welcome' != $screen-> id )
        return;
      ?>
        <style type="text/css" id="tc-fix-wp-footer-position">
          .wp-admin #wpfooter {bottom: inherit;}
        </style>
      <?php
    }

//hook : current_screen
    function czr_schedule_welcome_page_actions() {
        $screen = get_current_screen();
        if ( 'appearance_page_welcome' != $screen-> id )
          return;

add_action( 'czr_after_welcome_admin_intro', array( $this, 'czr_print_hs_doc_content') );
        add_action( 'admin_enqueue_scripts', array( $this, 'czr_enqueue_hs_assets' ) );
    }

//hook : admin_enqueue_scripts
    function czr_enqueue_hs_assets() {
        $screen = get_current_screen();
        if ( 'appearance_page_welcome' != $screen-> id )
          return;
        wp_enqueue_style(
          'czr-admin-hs-css',
          sprintf('%1$sback/css/czr-hs-doc%2$s.css' , CZR_BASE_URL . CZR_ASSETS_PREFIX, ( defined('WP_DEBUG') && true === WP_DEBUG ) ? '' : '.min' ),
          array(),
          ( defined('WP_DEBUG') && true === WP_DEBUG ) ? CUSTOMIZR_VER . time() : CUSTOMIZR_VER
        );
        wp_enqueue_script(
          'czr-hs-js',
          sprintf('%1$sback/js/czr-hs-doc%2$s.js' , CZR_BASE_URL . CZR_ASSETS_PREFIX, ( defined('WP_DEBUG') && true === WP_DEBUG ) ? '' : '.min' ),
          array( 'jquery', 'underscore' ),
          ( defined('WP_DEBUG') && true === WP_DEBUG ) ? CUSTOMIZR_VER . time() : CUSTOMIZR_VER,
          $in_footer = false
        );

$script_settings = array(
          'debug' => false, // Print debug logs or not
          'searchDelay' => 750, // Delay time in ms after a user stops typing and before search is performed
          'minLength' => 3, // Minimum number of characters required to trigger search
          'limit' => 25, // Max limit for # of results to show
          'text' => array(
            //@translators : keep the strings inside brackets ( like {count} and {minLength} ) untranslated as it will be replaced by a number when parsed in javascript
            'result_found' => __('We found {count} article that may help:' , 'customizr'),
            'results_found' => __('We found {count} articles that may help:' , 'customizr'),
            'no_results_found' => __('No results found…' , 'customizr'),
            'enter_search' => __('Please enter a search term.' , 'customizr'),
            'not_long_enough' => __('Search must be at least {minLength} characters.' , 'customizr'),
            'error' => __('There was an error fetching search results.' , 'customizr'),
          ),
          'template' => array(
            'wrap_class' => 'docs-search-wrap',
            'before' => '<ul class="docs-search-results">',
            'item' => sprintf( '<li class="article"><a href="{url}" title="%1$s" target="_blank">{name}<span class="article--open-original" ></span></a><p class="article-preview">{preview} ... <a href="{url}" title="%1$s" target="_blank">%2$s</a></p></li>',
              __( 'Read the full article', 'customizr' ),
              __( 'read more', 'customizr' )
            ),
            'after' => '</ul>',
            'results_found' => '<span class="{css_class}">{text}</span>',
          ),
          'collections' => array(), // The collection IDs to search in

// Do not modify
          '_subdomain' => 'presscustomizr',
        );

wp_localize_script( 'czr-hs-js', 'CZRHSParams', $script_settings );
    }

//hook : czr_after_welcome_admin_intro
    function czr_print_hs_doc_content() {
        ?>
          <form enctype="multipart/form-data" method="post" class="frm-show-form " id="form_m3j26q22">
            <div class="frm_form_fields ">
              <fieldset>
                <div id="frm_field_335_container" class="frm_form_field form-field  frm_top_container helpscout-docs">
                  <label for="field_6woxqa" class="frm_primary_label">
                    <h2><?php _e( 'Search the knowledge base', 'customizr' ); ?></h2>
                    <h4 style="text-align:center;font-style: italic;font-weight: normal;"><?php _e( 'In a few keywords, describe the information you are looking for.', 'customizr' ); ?></h4>
                      <span class="frm_required"></span>
                  </label>
                  <input type="text" id="field_6woxqa" name="item_meta[335]" value="" placeholder="<?php _e( 'Ex. Logo upload', 'customizr' ) ;?>" autocomplete="off">

<div class="frm_description"><?php _e('<u>Search tips</u> : If you get too many results, try to narrow down your search by prefixing it with "customizr" for example. If there are no results, try different keywords and / or spelling variations', 'customizr' ); ?> </div>
                </div>
              </fieldset>
            </div>
          </form>
        <?php
    }

}//end of class
endif;

?><?php
/**
* Posts, pages and attachment actions and filters
*
*/
if ( !class_exists( 'CZR_meta_boxes' ) ) :
   class CZR_meta_boxes {
      static $instance;

public $mixed_meta_boxes_map;
      public $post_meta_boxes_map;

public $_minify_resources;
      public $_resouces_version;

function __construct () {
         self::$instance =& $this;

$this->_resouces_version  = CZR_DEBUG_MODE || CZR_DEV_MODE ? CUSTOMIZR_VER . time() : CUSTOMIZR_VER;

$this->_minify_resources  = CZR_DEBUG_MODE || CZR_DEV_MODE ? false : true ;

//mixed ( layout, slider ) displayed in various types of posts
         add_action( 'add_meta_boxes'                     , array( $this , 'czr_fn_mixed_meta_boxes' )) ;

//post ( post formats ) displayed only in post types
         add_action( 'add_meta_boxes_post'                , array( $this , 'czr_fn_post_formats_meta_boxes' )) ;

//attachment
         add_action( 'add_meta_boxes_attachment'          , array( $this , 'czr_fn_attachment_meta_box' ));

add_action( '__post_slider_infos'                , array( $this , 'czr_fn_get_post_slider_infos' ));

add_action( 'save_post'                          , array( $this , 'czr_fn_post_fields_save' ) );

add_action( '__attachment_slider_infos'          , array( $this , 'czr_fn_get_attachment_slider_infos' ));

add_action( 'edit_attachment'                    , array( $this , 'czr_fn_slide_save' ));
         add_action( 'edit_attachment'                    , array( $this , 'czr_fn_post_fields_save' ));

add_action( '__show_slides'                      , array( $this , 'czr_fn_show_slides' ), 10, 2);

add_action( 'wp_ajax_slider_action'              , array( $this , 'czr_fn_slider_cb' ));

//enqueue slider scripts when needed (will be in the footer)
         //czr_slider_metabox_added is fired when
         //a) the slider attachment metabox is printed: czr_fn_attachment_meta_box
         //b) the slider post metabox is printed: czr_fn_post_slider_box
         add_action( 'czr_slider_metabox_added'            , array( $this,  'czr_fn_slider_admin_scripts') );

//enqueue post format script
         add_action( 'czr_post_formats_metabox_added'      , array( $this , 'czr_fn_post_formats_admin_scripts' ) );

/**
         * checks if WP version strictly < 3.5
         * before 3.5, attachments were not managed as posts. But two filter hooks can are very useful
         * @package Customizr
         * @since Customizr 2.0
         */
        global $wp_version;
        if (version_compare( $wp_version, '3.5' , '<' ) ) {
           add_filter( 'attachment_fields_to_edit'          , array( $this , 'czr_fn_attachment_filter' ), 11, 2 );
           add_filter( 'attachment_fields_to_save'          , array( $this , 'czr_fn_attachment_save_filter' ), 11, 2 );
         }

}//end of __construct

function czr_fn_get_mixed_meta_boxes_map( $_cache = true ) {
         $_meta_boxes_map = $this->mixed_meta_boxes_map;

if ( !isset($this->mixed_meta_boxes_map) ) {

$_meta_boxes_map = array (
               //metabox      => disallowed screens
               'layout_section' => array(),
               //The slider section (slider in posts/pages) metabox MUST NOT be added in attachments
               'slider_section' => array( 'attachment' )
            );

if ( $_cache )
               $this->mixed_meta_boxes_map = $_meta_boxes_map;

}

return apply_filters( 'czr_mixed_meta_boxes_map', $_meta_boxes_map );
      }

function czr_fn_get_post_meta_boxes_map( $_cache = true ) {
         $_meta_boxes_map = $this->post_meta_boxes_map;

if ( !isset($this->post_meta_boxes_map) ) {

$_meta_boxes_map = array (
               //Post formats
               'audio_section',
               'video_section',
               'quote_section',
               'link_section'
            );

if ( $_cache )
               $this->post_meta_boxes_map = $_meta_boxes_map;

}

return apply_filters( 'czr_meta_boxes_map', $_meta_boxes_map );
      }

/*
       ----------------------------------------------------------------
       -------- DEFINE POST/PAGE LAYOUT AND SLIDER META BOXES ---------
       ----------------------------------------------------------------
       */
      function czr_add_metabox( $meta_box_key, $screen ) {

if ( !method_exists( $this , "czr_fn_{$meta_box_key}_metabox" ) )
            return;

call_user_func_array( 'add_meta_box',
            $this->czr_fn_build_metabox_arguments (
               "{$meta_box_key}id",
               call_user_func( array( $this, "czr_fn_{$meta_box_key}_metabox" ), $screen )
            )
         );

}

/**
     * Adds layout and slider metaboxes to pages and posts
     * hook : add_meta_boxes
     * @package Customizr
     * @since Customizr 1.0
     */
      function czr_fn_mixed_meta_boxes( $id ) {//id, title, callback, post_type, context, priority, callback_args
         /***
          Determines which screens we display the box
         **/
         //1 - retrieves the custom post types
         $args                = array(
            //we want our metaboxes added only to those custom post types that can be seen on front
            //the parameter 'publicly_queryable' should ensure this.
            //Example:
            // - In WooCommerce product post type our metaboxes are visibile while they're not in WooCommerce orders/coupons ...
            //   that cannot be seen in front.
            // - They're visible in Tribe Events Calendar's event post type
            // - They're not visible in ACF(-pro) screens
            // - They're not visbile in Ultime Responsive image slider post type
            'publicly_queryable' => true,
            '_builtin'           => false
         );

$custom_post_types    = apply_filters( 'czr_post_metaboxes_cpt', get_post_types($args) );

//2 - Merging with the builtin post types, pages and posts
         $builtin_post_types   = array(
            'page' => 'page',
            'post' => 'post',
            'attachment' => 'attachment'
         );

$screens                   = array_merge( $custom_post_types, $builtin_post_types );

$mixed_meta_boxes          = $this->czr_fn_get_mixed_meta_boxes_map();

//3- Adding the meta-boxes to those screens
         foreach ( $screens as $key => $screen) {
            foreach ( $mixed_meta_boxes as $meta_box_key => $disallowed_screens_array ) {
               if ( in_array( $screen, $disallowed_screens_array ) ) {
                  continue;
               }
               $this->czr_add_metabox( $meta_box_key, $screen );
               $_metabox_added       = true;
            }//end foreach

}//end foreach

}

//hook : add_meta_boxes_post
      function czr_fn_post_formats_meta_boxes( $post ) {
         //if not czr4 return
         if ( !( defined( 'CZR_IS_MODERN_STYLE' ) && CZR_IS_MODERN_STYLE ) )
            return;

$post_meta_boxes          = $this->czr_fn_get_post_meta_boxes_map();

$_metabox_added           = false;

foreach ( $post_meta_boxes as $meta_box_key ) {
            $this->czr_add_metabox( $meta_box_key, 'post' );
            $_metabox_added        = true;
         }//end foreach

if ( $_metabox_added )
            do_action( 'czr_post_formats_metabox_added', $post );

}

//helper
      function czr_fn_build_metabox_arguments( $id, $args ) {
         //order matters!
         //'cause we use call_user_func_array to pass args with a certain order to add_metabox
         $defaults = array(
            'id'            => $id,
            'title'         => '',
            'callback'       => null,
            'screen'         => null,
            'context'        => 'advanced',
            'priority'       => 'high',
            'callback_args'  => null,
         );

$args = wp_parse_args( $args, $defaults );

//Filtering
         $args[ 'screen'  ]    = apply_filters( "czr_fn_{$id}_metabox_screen", apply_filters( 'czr_fn_metaboxes_screen', $args['screen'], $args['id'] ), $args[ 'screen' ] );
         $args[ 'context' ]    = apply_filters( "czr_fn_{$id}_metabox_context", apply_filters( 'czr_fn_metaboxes_context', $args['context'], $args['id'] ), $args[ 'context' ] );
         $args[ 'priority'  ]  = apply_filters( "czr_fn_{$id}_metabox_priority", apply_filters( 'czr_fn_metaboxes_priority', $args['priority'], $args['id'] ), $args[ 'priority' ] );

return $args;
      }

function czr_fn_layout_section_metabox( $screen ) {

return array(
            'title'    => __( 'Layout Options' , 'customizr' ),
            'callback' => array( $this , 'czr_fn_post_layout_box' ),
            'screen'   => $screen,
            'context'  => in_array( $screen, array( 'page', 'post', 'attachment' ) ) ? 'side' : 'normal',//displays meta box below editor for custom post types
            'priority' => 'high',
         );

}

function czr_fn_slider_section_metabox( $screen ) {

return array(
            'title'    => __( 'Slider Options' , 'customizr' ),
            'callback' => array( $this , 'czr_fn_post_slider_box' ),
            'screen'   => $screen,
            'context'  => 'normal',//displays meta box below editor for custom post types
            'priority' => 'high'
         );

}

function czr_fn_link_section_metabox( $screen ) {

return array(
            'title'    => __( 'Format: link' , 'customizr' ),
            'callback' => array( $this , 'czr_fn_post_format_link_box' ),
            'screen'   => 'post',
            'context'  => 'normal',//displays meta box below editor for custom post types
            'priority' => 'high'
         );

}

function czr_fn_quote_section_metabox( $screen ) {

return array(
            'title'    => __( 'Format: quote' , 'customizr' ),
            'callback' => array( $this , 'czr_fn_post_format_quote_box' ),
            'screen'   => 'post',
            'context'  => 'normal',//displays meta box below editor for custom post types
            'priority' => 'high'
         );

}

function czr_fn_video_section_metabox( $screen ) {

return array(
            'title'    => __( 'Format: video' , 'customizr' ),
            'callback' => array( $this , 'czr_fn_post_format_video_box' ),
            'screen'   => 'post',
            'context'  => 'normal',//displays meta box below editor for custom post types
            'priority' => 'high'
         );

}

function czr_fn_audio_section_metabox( $screen ) {

return array(
            'title'    => __( 'Format: audio' , 'customizr' ),
            'callback' => array( $this , 'czr_fn_post_format_audio_box' ),
            'screen'   => 'post',
            'context'  => 'normal',//displays meta box below editor for custom post types
            'priority' => 'high'
         );

}

//Build metabox html
      function czr_fn_post_format_link_box( $post, $args ) {

// Use nonce for verification
         wp_nonce_field( plugin_basename( __FILE__ ), 'format_link_noncename' );

// The actual field for data entry
         $link       = get_post_meta( $post->ID, $key = 'czr_link_meta' , $single = true );

$link_title = esc_attr( isset( $link['link_title'] ) ? $link['link_title'] : '' );
         $link_url   = esc_url( isset( $link['link_url'] ) ? $link['link_url'] : '' );

CZR_meta_boxes::czr_fn_generic_input_view( array(
            'input_name'  => 'czr_link_title',
            'custom_args' => 'style="max-width:50%"',
            'title'       => array(

'title_text'  => __( 'Link title', 'customizr'),
                            'title_tag'   => 'h3',

),
            'content_before' => CZR_meta_boxes::czr_fn_title_view( array(
                                 'title_text'  => __( 'Enter the title', 'customizr'),
                                 'title_tag'   => 'h4',
                                 'echo'        => false,
                                 'boxed'       => false
                              )
            ),
            'input_value' => $link_title

));

CZR_meta_boxes::czr_fn_generic_input_view( array(

'input_name'  => 'czr_link_url',
            'input_type'  => 'url',
            'custom_args' => 'style="max-width:50%"',
            'title'       => array(
                                 'title_text'  => __( 'Link URL', 'customizr'),
                                 'title_tag'   => 'h3',
            ),

'content_before' => CZR_meta_boxes::czr_fn_title_view( array(
                                 'title_text'  => __( 'Enter the URL', 'customizr'),
                                 'title_tag'   => 'h4',
                                 'echo'        => false,
                                 'boxed'       => false
                              )
            ),
           'input_value' => $link_url

));

}

function czr_fn_post_format_quote_box( $post, $args ) {

// Use nonce for verification
         wp_nonce_field( plugin_basename( __FILE__ ), 'format_quote_noncename' );

// The actual field for data entry
         $quote        = get_post_meta( $post->ID, $key = 'czr_quote_meta' , $single = true );

$quote_text   = esc_attr( isset( $quote['quote_text'] ) ? $quote['quote_text'] : '' );
         $quote_author = esc_attr( isset( $quote['quote_author'] ) ? $quote['quote_author'] : '' );

CZR_meta_boxes::czr_fn_textarea_view( array(

'input_name'  =>  'czr_quote_text',
            'title'       =>  array(
                                 'title_text'  => __( 'Quote text', 'customizr'),
                                 'title_tag'   => 'h3',
            ),
            'custom_args'    => 'style="max-width:50%"',
            'content_before' =>  CZR_meta_boxes::czr_fn_title_view( array(
                                 'title_text'  => __( 'Enter the text', 'customizr'),
                                 'title_tag'   => 'h4',
                                 'echo'        => false,
                                 'boxed'       => false
                              )
            ),

'input_value' => $quote_text

));

CZR_meta_boxes::czr_fn_generic_input_view( array(

'input_name'  =>  'czr_quote_author',
            'title'       =>  array(
                                 'title_text'  => __( 'Quote author', 'customizr'),
                                 'title_tag'   => 'h3',
            ),

'custom_args' => 'style="max-width:50%"',
            'content_before' => CZR_meta_boxes::czr_fn_title_view( array(
                                 'title_text'  => __( 'Enter the author', 'customizr'),
                                 'title_tag'   => 'h4',
                                 'echo'        => false,
                                 'boxed'       => false
                              )
            ),

'input_value' => $quote_author
         ));
      }

function czr_fn_post_format_audio_box( $post, $args ) {

// Use nonce for verification
         wp_nonce_field( plugin_basename( __FILE__ ), 'format_audio_noncename' );

// The actual field for data entry
         $audio        = get_post_meta( $post->ID, $key = 'czr_audio_meta' , $single = true );

$audio_url   = esc_url( isset( $audio['audio_url'] ) ? $audio['audio_url'] : '' );

CZR_meta_boxes::czr_fn_generic_input_view( array(

'input_name'  => 'czr_audio_url',
            'custom_args' => 'style="max-width:50%"',
            'title'       => array(
                                 'title_text'  => __( 'Audio url', 'customizr'),
                                 'title_tag'   => 'h3',
            ),
            'content_before' => CZR_meta_boxes::czr_fn_title_view( array(
                                    'title_text'  => __( 'Enter the audio url', 'customizr'),
                                    'title_tag'   => 'h4',
                                    'echo'        => false,
                                    'boxed'       => false
                              )
            ),
            'input_value' => $audio_url,
            'input_type'  => 'url'

));

}

function czr_fn_post_format_video_box( $post, $args ) {

// Use nonce for verification
         wp_nonce_field( plugin_basename( __FILE__ ), 'format_video_noncename' );

// The actual field for data entry
         $video        = get_post_meta( $post->ID, $key = 'czr_video_meta' , $single = true );

$video_url   = esc_url( isset( $video['video_url'] ) ? $video['video_url'] : '' );

CZR_meta_boxes::czr_fn_generic_input_view( array(

'input_name'  => 'czr_video_url',
            'custom_args' => 'style="max-width:50%"',
            'title'       => array(
                                 'title_text'  => __( 'Video url', 'customizr'),
                                 'title_tag'   => 'h3',
            ),
            'content_before' => CZR_meta_boxes::czr_fn_title_view( array(
                                 'title_text'  => __( 'Enter the video url', 'customizr'),
                                 'title_tag'   => 'h4',
                                 'echo'        => false,
                                 'boxed'       => false
                              )
            ),
            'input_value' => $video_url,
            'input_type'  => 'url'

));

}

/**
       * Prints the box content
       * @package Customizr
       * @since Customizr 1.0
       */
      function czr_fn_post_layout_box( $post ) {
           // Use nonce for verification
           wp_nonce_field( plugin_basename( __FILE__ ), 'post_layout_noncename' );

// The actual fields for data entry
           // Use get_post_meta to retrieve an existing value from the database and use the value for the form
           //Layout name setup
           $layout_id           = 'layout_field';

$layout_value         = esc_attr(get_post_meta( $post->ID, $key = 'layout_key' , $single = true ));

//Generates layouts select list array
           $layouts                    = array();
           $global_layout              = apply_filters( 'tc_global_layout' , CZR_init::$instance->global_layout );
           foreach ( $global_layout as $key => $value ) {
             $layouts[$key]            = call_user_func( '__' , $value['metabox'] , 'customizr' );
           }

//by default we apply the global default layout
           $tc_sidebar_default_context_layout  = esc_attr( czr_fn_opt( 'page' == $post->post_type ? 'tc_sidebar_page_layout' : 'tc_sidebar_post_layout' ) );

?>
           <div class="meta-box-item-content">
             <?php if( $layout_value == null) : ?>
               <p><?php printf(__( 'Default %1$s layout is set to : %2$s' , 'customizr' ), 'page' == $post->post_type ? __( 'pages' , 'customizr' ):__( 'posts' , 'customizr' ), '<strong>'.$layouts[$tc_sidebar_default_context_layout].'</strong>' ) ?></p>
             <?php endif; ?>

<i><?php printf(__( 'You can define a specific layout for %1$s by using the pre-defined left and right sidebars. The default layouts can be defined in the WordPress customizer screen %2$s.<br />' , 'customizr' ),
                  $post->post_type == 'page' ? __( 'this page' , 'customizr' ):__( 'this post' , 'customizr' ),
                   '<a href="'.admin_url( 'customize.php' ).'" target="_blank">'.__( 'here' , 'customizr' ).'</a>'
                  ); ?>
                 </i>
                 <h4><?php printf(__( 'Select a specific layout for %1$s' , 'customizr' ),
                 $post->post_type == 'page' ? __( 'this page' , 'customizr' ):__( 'this post' , 'customizr' )); ?></h4>
                 <select name="<?php echo $layout_id; ?>" id="<?php echo $layout_id; ?>">
                 <?php //no layout selected ?>
                  <option value="" <?php selected( $layout_value, $current = null, $echo = true ) ?>> <?php printf(__( 'Default layout %1s' , 'customizr' ),
                        '( '.$layouts[$tc_sidebar_default_context_layout].' )'
                       );
                    ?></option>
                  <?php foreach( $layouts as $key => $l) : ?>
                    <option value="<?php echo $key; ?>" <?php selected( $layout_value, $current = $key, $echo = true ) ?>><?php echo $l; ?></option>
                  <?php endforeach; ?>
                 </select>

</div>

<?php

do_action( 'czr_post_metabox_added', $post );
         do_action( 'czr_post_layout_metabox_added', $post );
      }

/*
      ----------------------------------------------------------------
      ------------------ POST/PAGE SLIDER BOX ------------------------
      ----------------------------------------------------------------
      */

/**
       * Prints the slider box content
       * @package Customizr
       * @since Customizr 2.0
       */
        function czr_fn_post_slider_box( $post ) {
           // Use nonce for verification
           wp_nonce_field( plugin_basename( __FILE__ ), 'post_slider_noncename' );

// The actual fields for data entry
           //title check field setup
           $post_slider_check_id       = 'post_slider_check_field';
           $post_slider_check_value    = esc_attr(get_post_meta( $post->ID, $key = 'post_slider_check_key' , $single = true ));

?>
          <input name="tc_post_id" id="tc_post_id" type="hidden" value="<?php echo $post-> ID ?>"/>
          <div class="meta-box-item-title">
            <h4><label for="<?php echo $post_slider_check_id; ?>"><?php _e( 'Add a slider to this post/page' , 'customizr' ); ?></label></h4>
           </div>
           <div class="meta-box-item-content">
               <?php
                  $post_slider_checked = false;
                  if ( $post_slider_check_value == 1) {
                     $post_slider_checked = true;
                  }
                  CZR_meta_boxes::czr_fn_checkbox_view( array(
                     'input_name'   => $post_slider_check_id,
                     'input_state'  => $post_slider_checked,
                  ));
               ?>
           </div>
           <div id="slider-fields-box">
             <?php do_action( '__post_slider_infos' , $post->ID ); ?>
           </div>
         <?php

do_action( 'czr_post_metabox_added', $post );
         do_action( 'czr_slider_metabox_added', $post );

}//end of function

/**
     * Display post slider dynamic content
     * This function is also called by the ajax call back
     * @package Customizr
     * @since Customizr 2.0
     */
      function czr_fn_get_post_slider_infos( $postid ) {
         //check value is ajax saved ?
         $post_slider_check_value   = esc_attr(get_post_meta( $postid, $key = 'post_slider_check_key' , $single = true ));

//retrieve all sliders in option array
         $options                  = get_option( 'tc_theme_options' );
         if ( isset($options['tc_sliders']) ) {
           $sliders                  = $options['tc_sliders'];
         }else
           $sliders                  = array();

//post slider fields setup
         $post_slider_id           = 'post_slider_field';

//get current post slider
         $current_post_slider       = esc_attr(get_post_meta( $postid, $key = 'post_slider_key' , $single = true ));
         if ( isset( $sliders[$current_post_slider])) {
           $current_post_slides     = $sliders[$current_post_slider];
         }

//Delay field setup
         $delay_id                 = 'slider_delay_field';
         $delay_value              = esc_attr(get_post_meta( $postid, $key = 'slider_delay_key' , $single = true ));

//Layout field setup
         $layout_id                = 'slider_layout_field';
         $layout_value             = esc_attr(get_post_meta( $postid, $key = 'slider_layout_key' , $single = true ));

//overlay field setup
         $overlay_id               = 'slider_overlay_field';
         $overlay_value            = esc_attr(get_post_meta( $postid, $key = 'slider_overlay_key' , $single = true ));

//dots field setup
         $dots_id                  = 'slider_dots_field';
         $dots_value               = esc_attr(get_post_meta( $postid, $key = 'slider_dots_key' , $single = true ));

//sliders field
         $slider_id                = 'slider_field';

if( $post_slider_check_value == true ):
             $selectable_sliders    = apply_filters( 'czr_post_selectable_sliders', $sliders );
             if ( isset( $selectable_sliders ) && !empty( $selectable_sliders ) ):

?>
             <div class="meta-box-item-title">
               <h4><?php _e("Choose a slider", 'customizr' ); ?></h4>
             </div>
         <?php
             //build selectable slider->ID => label
             //Default in head
             $selectable_sliders = array_merge( array(
               -1 => __( '— Select a slider — ' , 'customizr' )
             ), $selectable_sliders );

//in case of sliders of images we set the label as the slider_id
             if ( isset($sliders) && !empty( $sliders) )
               foreach ( $sliders as $key => $value) {
                 if ( is_array( $value ) )
                  $selectable_sliders[ $key ] = $key;
               }
         ?>
               <div class="meta-box-item-content">
                 <span class="spinner" style="float: left;visibility:visible;display: none;"></span>
                 <select name="<?php echo $post_slider_id; ?>" id="<?php echo $post_slider_id; ?>">
                 <?php //sliders select choices
                  foreach ( $selectable_sliders as $id => $label ) {
                    printf( '<option value="%1$s" %2$s> %3$s</option>',
                        esc_attr( $id ),
                        selected( $current_post_slider, esc_attr( $id ), $echo = false ),
                        $label
                    );
                  }
                 ?>
                 </select>
                  <i><?php _e( 'To create a new slider : open the media library, edit your images and add them to your new slider.' , 'customizr' ) ?></i>
               </div>

<div class="meta-box-item-title">
                 <h4><?php _e("Delay between each slides in milliseconds (default : 5000 ms)", 'customizr' ); ?></h4>
               </div>
               <div class="meta-box-item-content">
                  <input name="<?php echo esc_attr( $delay_id) ; ?>" id="<?php echo esc_attr( $delay_id); ?>" value="<?php if (empty( $delay_value)) { echo '5000';} else {echo esc_attr( $delay_value);} ?>"/>
               </div>

<div class="meta-box-item-title">
                  <h4><?php _e("Slider Layout : set the slider in full width", 'customizr' );  ?></h4>
               </div>
               <div class="meta-box-item-content">
                  <?php
                  if ( $layout_value ==null || $layout_value ==1 )
                  {
                    $layout_check_value = true;
                  }
                  else {
                    $layout_check_value = false;
                  }
                  CZR_meta_boxes::czr_fn_checkbox_view( array(
                     'input_name'   => $layout_id,
                     'input_state'  => $layout_check_value,
                  ));
                  ?>
               </div>
               <?php if ( CZR_IS_MODERN_STYLE ) : ?>
                   <div class="meta-box-item-title">
                      <h4><?php _e("Apply a dark overlay on your slider's images", 'customizr' );  ?></h4>
                   </div>
                   <div class="meta-box-item-content">
                      <?php
                      if ( $overlay_value == null || 'on' == $overlay_value || 1 === $overlay_value || true === $overlay_value )
                      {
                        $overlay_check_value = true;
                      }
                      else {
                        $overlay_check_value = false;
                      }
                      CZR_meta_boxes::czr_fn_checkbox_view( array(
                         'input_name'   => $overlay_id,
                         'input_state'  => $overlay_check_value,
                      ));
                      ?>
                   </div>

<div class="meta-box-item-title">
                      <h4><?php _e("Display navigation dots at the bottom of your slider.", 'customizr' );  ?></h4>
                   </div>
                   <div class="meta-box-item-content">
                      <?php
                      if ( $dots_value == null || 'on' == $dots_value || 1 === $dots_value || true === $dots_value ) {
                        $dots_check_value = true;
                      }
                      else {
                        $dots_check_value = false;
                      }
                      CZR_meta_boxes::czr_fn_checkbox_view( array(
                         'input_name'   => $dots_id,
                         'input_state'  => $dots_check_value,
                      ));
                      ?>
                   </div>
              <?php endif; ?>
               <?php if (isset( $current_post_slides)) : ?>
                    <div style="z-index: 1000;position: relative;">
                      <p style="display: inline-block;float: right;"><a href="#TB_inline?width=350&height=100&inlineId=post_slider-warning-message" class="thickbox"><?php _e( 'Delete this slider' , 'customizr' ) ?></a></p>
                    </div>
                    <div id="post_slider-warning-message" style="display:none;">
                      <div style="text-align:center">
                         <p>
                           <?php _e( 'The slider will be deleted permanently (images, call to actions and link will be kept).' , 'customizr' ) ?>
                        </p>
                          <br/>
                           <a class="button-secondary" id="delete-slider" href="#" title="<?php _e( 'Delete slider' , 'customizr' ); ?>" onClick="javascript:window.parent.tb_remove()"><?php _e( 'Delete slider' , 'customizr' ); ?></a>
                      </div>
                    </div>
                  <?php  do_action( '__show_slides' , $current_post_slides, $current_attachement_id = null); ?>
               <?php else: //there are no slides
                 do_action( '__no_slides', $postid, $current_post_slider );
               ?>
             <?php endif; //slides? ?>
           <?php else://if no slider created yet and no slider of posts addon?>

<div class="meta-box-item-content">
                  <p class="description"> <?php _e("You haven't create any slider yet. Go to the media library, edit your images and add them to your sliders.", "customizr" ) ?><br/>
                  </p>
                  <br />
               </div>
             <?php endif; //sliders? ?>
           <?php endif; //check slider? ?>
        <?php
      }

/*
      ----------------------------------------------------------------
      ------- SAVE POST/PAGE FIELDS (LAYOUT AND SLIDER FIELDS) -------
      ----------------------------------------------------------------
      */
      /**
       * When the post/page is saved, saves our custom data for slider and layout options
       * @package Customizr
       * @since Customizr 1.0
       */
      function czr_fn_post_fields_save( $post_id, $post_object = null ) {
        // verify if this is an auto save routine.
        // If it is our form has not been submitted, so we dont want to do anything
        if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
           return;

// Check permissions
        if ( isset( $_POST['post_type']) && 'page' == $_POST['post_type'] )
        {
         if ( !current_user_can( 'edit_page' , $post_id ) )
             return;
        }
        else
        {
         if ( !current_user_can( 'edit_post' , $post_id ) )
             return;
        }

//LINK
        $this->czr_fn_link_save( $post_id, $post_object );

//QUOTE
        $this->czr_fn_quote_save( $post_id, $post_object );

//AUDIO
        $this->czr_fn_audio_save( $post_id, $post_object );

//VIDEO
        $this->czr_fn_video_save( $post_id, $post_object );

################# LAYOUT BOX #################
        // verify this came from our screen and with proper authorization,
        if ( !isset( $_POST['post_layout_noncename']) || !wp_verify_nonce( $_POST['post_layout_noncename'], plugin_basename( __FILE__ ) ) )
           return;

// OK, we're authenticated: we need to find and save the data
        //set up the fields array
        $tc_post_layout_fields = array(
            'layout_field'             =>  'layout_key'
           );

//if saving in a custom table, get post_ID
       if ( isset( $_POST['post_ID'])) {
         $post_ID = $_POST['post_ID'];
         //sanitize user input by looping on the fields
         foreach ( $tc_post_layout_fields as $tcid => $tckey) {
             if ( isset( $_POST[$tcid])) {
               $mydata = sanitize_text_field( $_POST[$tcid] );

// Do something with $mydata
               // either using
               add_post_meta( $post_ID, $tckey, $mydata, true) or
                 update_post_meta( $post_ID, $tckey , $mydata);
               // or a custom table (see Further Reading section below)
             }
            }
        }

################# SLIDER BOX #################
        // verify this came from our screen and with proper authorization,
        if ( !isset( $_POST['post_slider_noncename']) || !wp_verify_nonce( $_POST['post_slider_noncename'], plugin_basename( __FILE__ ) ) )
           return;

// OK, we're authenticated: we need to find and save the data
        //set up the fields array
        $tc_post_slider_fields = array(
            'post_slider_check_field'   => 'post_slider_check_key',
            'slider_delay_field'        => 'slider_delay_key',
            'slider_layout_field'       => 'slider_layout_key',
            'slider_overlay_field'      => 'slider_overlay_key',
            'slider_dots_field'         => 'slider_dots_key',
            'post_slider_field'         => 'post_slider_key',
           );

//if saving in a custom table, get post_ID
       if ( isset( $_POST['post_ID'])) {
         do_action( '__before_save_post_slider_fields', $_POST, $tc_post_slider_fields );
         $post_ID = $_POST['post_ID'];
         //sanitize user input by looping on the fields
         foreach ( $tc_post_slider_fields as $tcid => $tckey) {
           if ( isset( $_POST[$tcid])) {
               if ( in_array( $tcid, array( 'slider_overlay_field', 'slider_dots_field' ) ) ) {
                  $mydata = 0 == $_POST[$tcid] ? 'off' : 'on';
                  $mydata = sanitize_text_field( $mydata );
               } else {
                  $mydata = sanitize_text_field( $_POST[$tcid] );
              }

}

/**
      * When the post/page is saved, saves our custom data for link
      */
      function czr_fn_link_save( $post_id ) {

// verify if this is an auto save routine.
         // If it is our form has not been submitted, so we dont want to do anything
         if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
           return $post_id;

//check field existence
         if ( !( isset( $_POST[ 'czr_link_title' ] ) && isset( $_POST[ 'czr_link_url' ] ) ) )
           return $post_id;

// Check permissions
         if ( !isset($post_id) || !isset( $_POST['post_type'] ) || !isset( $_POST['format_link_noncename'] ) )
           return $post_id;

if ( !wp_verify_nonce( $_POST['format_link_noncename'], plugin_basename( __FILE__ ) ) )
           return $post_id;

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

if ( 'post' != $_POST[ 'post_type' ] )
           return $post_id;

if ( 'link' != get_post_format( $post_id ) )
           return $post_id;

//build custom post meta
         $czr_link_format_meta = array(
            'link_title' => sanitize_text_field( $_POST[ 'czr_link_title' ] ),
            'link_url'   => esc_url( $_POST[ 'czr_link_url' ] )
         );

//update
         add_post_meta( $post_id, 'czr_link_meta', $czr_link_format_meta, true ) or
          update_post_meta( $post_id, 'czr_link_meta', $czr_link_format_meta );

}

/**
      * When the post/page is saved, saves our custom data for quote
      */
      function czr_fn_quote_save( $post_id ) {

// Check permissions
         if ( !isset($post_id) || !isset( $_POST['post_type'] ) || !isset( $_POST['format_quote_noncename'] ) )
           return $post_id;

if ( !wp_verify_nonce( $_POST['format_quote_noncename'], plugin_basename( __FILE__ ) ) )
           return $post_id;

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

//check field existence
         if ( !( isset( $_POST[ 'czr_quote_text' ] ) && isset( $_POST[ 'czr_quote_author' ] ) ) )
           return $post_id;

if ( 'post' != $_POST[ 'post_type' ] )
           return $post_id;

if ( 'quote' != get_post_format( $post_id ) )
           return $post_id;

//build custom post meta
         $czr_quote_format_meta = array(
            'quote_text'   => sanitize_text_field( $_POST[ 'czr_quote_text' ] ),
            'quote_author' => sanitize_text_field( $_POST[ 'czr_quote_author' ] )
         );

//update
         add_post_meta( $post_id, 'czr_quote_meta', $czr_quote_format_meta, true ) or
          update_post_meta( $post_id, 'czr_quote_meta', $czr_quote_format_meta );

}

/**
      * When the post/page is saved, saves our custom data for audio
      */
      function czr_fn_audio_save( $post_id ) {

// Check permissions
         if ( !isset($post_id) || !isset( $_POST['post_type'] ) || !isset( $_POST['format_audio_noncename'] ) )
           return $post_id;

if ( !wp_verify_nonce( $_POST['format_audio_noncename'], plugin_basename( __FILE__ ) ) )
           return $post_id;

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

//check field existence
         if ( !( isset( $_POST[ 'czr_audio_url' ] ) ) )
           return $post_id;

if ( 'post' != $_POST[ 'post_type' ] )
           return $post_id;

if ( 'audio' != get_post_format( $post_id ) )
           return $post_id;

//build custom post meta
         $czr_audio_format_meta = array(
            'audio_url'   => esc_url( $_POST[ 'czr_audio_url' ] )
         );

//update
         add_post_meta( $post_id, 'czr_audio_meta', $czr_audio_format_meta, true ) or
          update_post_meta( $post_id, 'czr_audio_meta', $czr_audio_format_meta );

}

/**
      * When the post/page is saved, saves our custom data for video
      */
      function czr_fn_video_save( $post_id ) {

// Check permissions
         if ( !isset($post_id) || !isset( $_POST['post_type'] ) || !isset( $_POST['format_video_noncename'] ) )
           return $post_id;

if ( !wp_verify_nonce( $_POST['format_video_noncename'], plugin_basename( __FILE__ ) ) )
           return $post_id;

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

//check field existence
         if ( !( isset( $_POST[ 'czr_video_url' ] ) ) )
           return $post_id;

if ( 'post' != $_POST[ 'post_type' ] )
           return $post_id;

if ( 'video' != get_post_format( $post_id ) )
           return $post_id;

//build custom post meta
         $czr_video_format_meta = array(
            'video_url'   => esc_url( $_POST[ 'czr_video_url' ] )
         );

//update
         add_post_meta( $post_id, 'czr_video_meta', $czr_video_format_meta, true ) or
         update_post_meta( $post_id, 'czr_video_meta', $czr_video_format_meta );

}

/*
      ----------------------------------------------------------------
      ------------------ ATTACHMENT SLIDER META BOX ------------------
      ----------------------------------------------------------------
      */
      /**
       * Add a slider metabox to attachments
       * @package Customizr
       * @since Customizr 2.0
       */
      function czr_fn_attachment_meta_box( $id ) {//id, title, callback, post_type, context, priority, callback_args
         if ( !wp_attachment_is_image( $id ) )
            return;

add_meta_box(
            'slider_sectionid' ,
            __( 'Slider Options' , 'customizr' ),
            array( $this , 'czr_fn_attachment_slider_box' )
         );

}

/**
       * Prints the slider box content
       * @package Customizr
       * @since Customizr 2.0
       */
        function czr_fn_attachment_slider_box( $post ) {
           // Use nonce for verification
           wp_nonce_field( plugin_basename( __FILE__ ), 'slider_noncename' );

// The actual fields for data entry
           //title check field setup
           $slider_check_id       = 'slider_check_field';
           $slider_check_value    = esc_attr(get_post_meta( $post->ID, $key = 'slider_check_key' , $single = true ));

?>
          <div class="meta-box-item-title">
             <h4><label for="<?php echo $slider_check_id; ?>"><?php _e( 'Add to a slider (create one if needed)' , 'customizr' ) ?></label></h4>
           </div>
           <div class="meta-box-item-content">
             <input name="tc_post_id" id="tc_post_id" type="hidden" value="<?php echo $post->ID ?>"/>
              <?php
                  $slider_checked = false;
                  if ( $slider_check_value == 1) {
                     $slider_checked = true;
                  }
                  CZR_meta_boxes::czr_fn_checkbox_view( array(
                     'input_name'   => $slider_check_id,
                     'input_state'  => $slider_checked,
                  ));
               ?>
           </div>
          <div id="slider-fields-box">
            <?php do_action( '__attachment_slider_infos' , $post->ID); ?>
          </div>
         <?php

do_action( 'czr_attachment_metabox_added', $post );
         do_action( 'czr_slider_metabox_added', $post );
      }

/**
       * Display attachment slider dynamic content
       * This function is also called by the ajax call back function
       * @package Customizr
       * @since Customizr 2.0
       */
        function czr_fn_get_attachment_slider_infos( $postid ) {
         //check value is ajax saved ?
         $slider_check_value     = esc_attr(get_post_meta( $postid, $key = 'slider_check_key' , $single = true ));

//post slider fields setup
         $post_slider_id         = 'post_slider_field';

//sliders field
         $slider_id             = 'slider_field';

//retrieve all sliders in option array
         $options               = get_option( 'tc_theme_options' );
         $sliders               = array();
         if ( isset( $options['tc_sliders'])) {
           $sliders             = $options['tc_sliders'];
         }

//get_attachment details for default slide values
         $attachment            = get_post( $postid);
         $default_title         = $attachment->post_title;
         $default_description    = $attachment->post_excerpt;

//title field setup
         $title_id              = 'slide_title_field';
         $title_value           = esc_attr(get_post_meta( $postid, $key = 'slide_title_key' , $single = true ));
         //we define a filter for the slide_text_length
         $default_title_length   = apply_filters( 'tc_slide_title_length', apply_filters( 'czr_slide_title_length', 80 ) );

//check if we already have a custom key created for this field, if not apply default value
         if(!in_array( 'slide_title_key' ,get_post_custom_keys( $postid))) {
           $title_value = $default_title;
         }
         $title_value = esc_html( czr_fn_text_truncate( $title_value, $default_title_length, '...' ) );

//text_field setup : sanitize and limit length
         $text_id        = 'slide_text_field';
         $text_value     = esc_html(get_post_meta( $postid, $key = 'slide_text_key' , $single = true ));
          //we define a filter for the slide_title_length
         $default_text_length   = apply_filters( 'tc_slide_text_length', apply_filters( 'czr_slide_text_length', 250 ) );

//check if we already have a custom key created for this field, if not apply default value
         if(!in_array( 'slide_text_key' ,get_post_custom_keys( $postid)))
           $text_value = $default_description;
         $text_value = czr_fn_text_truncate( $text_value, $default_text_length, '...' );

//Color field setup
         $color_id       = 'slide_color_field';
         $color_value    = esc_attr(get_post_meta( $postid, $key = 'slide_color_key' , $single = true ));

//button field setup
         $button_id      = 'slide_button_field';
         $button_value   = esc_attr(get_post_meta( $postid, $key = 'slide_button_key' , $single = true ));

//we define a filter for the slide text_button length
         $default_button_length   = apply_filters( 'tc_slide_button_length', apply_filters( 'czr_slide_button_length', 80 ) );
         $button_value   = czr_fn_text_truncate( $button_value, $default_button_length, '...' );

//link field setup
         $link_id        = 'slide_link_field';
         $link_value     = esc_attr(get_post_meta( $postid, $key = 'slide_link_key' , $single = true ));

//retrieve post, pages and custom post types (if any) and generate the ordered select list for the button link
         $post_types     = get_post_types(array( 'public' => true));
         $excludes       = array( 'attachment' );

foreach ( $post_types as $t) {
             if (!in_array( $t, $excludes)) {
              //get the posts a tab of types
              $tc_all_posts[$t] = get_posts(  array(
                  'numberposts'     =>  100,
                  'orderby'         =>  'date' ,
                  'order'          =>  'DESC' ,
                  'post_type'       =>  $t,
                  'post_status'     =>  'publish' )
               );
             }
           };

//custom link field setup
         $custom_link_id    = 'slide_custom_link_field';
         $custom_link_value = esc_url( get_post_meta( $postid, $key = 'slide_custom_link_key', $single = true ) );

//link target setup
         $link_target_id    = 'slide_link_target_field';
         $link_target_value = esc_attr( get_post_meta( $postid, $key = 'slide_link_target_key', $single = true ) ) ;

//link whole slide setup
         $link_whole_slide_id    = 'slide_link_whole_slide_field';
         $link_whole_slide_value = esc_attr( get_post_meta( $postid, $key = 'slide_link_whole_slide_key', $single = true ) ) ;

//display fields if slider button is checked
         if ( $slider_check_value == true )  {
            ?>
           <div class="meta-box-item-title">
               <h4><?php _e( 'Title text (80 char. max length)' , 'customizr' ); ?></h4>
           </div>
           <div class="meta-box-item-content">
               <input class="widefat" name="<?php echo esc_attr( $title_id); ?>" id="<?php echo esc_attr( $title_id); ?>" value="<?php echo esc_attr( $title_value); ?>" style="width:50%">
           </div>

<div class="meta-box-item-title">
               <h4><?php _e( 'Description text (below the title, 250 char. max length)' , 'customizr' ); ?></h4>
           </div>
           <div class="meta-box-item-content">
               <textarea name="<?php echo esc_attr( $text_id); ?>" id="<?php echo esc_attr( $text_id); ?>" style="width:50%"><?php echo esc_html( $text_value); ?></textarea>
           </div>

<div class="meta-box-item-title">
               <h4><?php _e("Title and text color", 'customizr' );  ?></h4>
           </div>
           <div class="meta-box-item-content">
               <input id="<?php echo esc_attr( $color_id); ?>" name="<?php echo esc_attr( $color_id); ?>" value="<?php echo esc_attr( $color_value); ?>"/>
               <div id="colorpicker"></div>
           </div>

<div class="meta-box-item-title">
               <h4><?php _e( 'Button text (80 char. max length)' , 'customizr' ); ?></h4>
           </div>
           <div class="meta-box-item-content">
               <input class="widefat" name="<?php echo esc_attr( $button_id); ?>" id="<?php echo esc_attr( $button_id); ?>" value="<?php echo esc_attr( $button_value); ?>" style="width:50%">
           </div>

<div class="meta-box-item-title">
               <h4><?php _e("Choose a linked page or post (among the last 100).", 'customizr' ); ?></h4>
           </div>
           <div class="meta-box-item-content">
               <select name="<?php echo esc_attr( $link_id); ?>" id="<?php echo esc_attr( $link_id); ?>">
                 <?php //no link option ?>
                 <option value="" <?php selected( $link_value, $current = null, $echo = true ) ?>> <?php _e( 'No link' , 'customizr' ); ?></option>
                 <?php foreach( $tc_all_posts as $type) : ?>
                    <?php foreach ( $type as $key => $item) : ?>
                  <option value="<?php echo esc_attr( $item->ID); ?>" <?php selected( $link_value, $current = $item->ID, $echo = true ) ?>>{<?php echo esc_attr( $item->post_type) ;?>} <?php echo esc_attr( $item->post_title); ?></option>
                    <?php endforeach; ?>
                <?php endforeach; ?>
               </select><br />
           </div>
           <div class="meta-box-item-title">
               <h4><?php _e("or a custom link (leave this empty if you already selected a page or post above)", 'customizr' ); ?></h4>
           </div>
           <div class="meta-box-item-content">
               <input class="widefat" name="<?php echo $custom_link_id; ?>" id="<?php echo $custom_link_id; ?>" value="<?php echo $custom_link_value; ?>" style="width:50%">
           </div>
           <div class="meta-box-item-title">
               <h4><?php _e("Open link in a new page/tab", 'customizr' );  ?></h4>
           </div>
           <div class="meta-box-item-content">
               <?php
                  CZR_meta_boxes::czr_fn_checkbox_view( array(
                     'input_name'   => $link_target_id,
                     'input_state'  => $link_target_value,
                  ));
               ?>
           </div>
           <div class="meta-box-item-title">
               <h4><?php _e("Link the whole slide", 'customizr' );  ?></h4>
           </div>
           <div class="meta-box-item-content">
               <?php
                  CZR_meta_boxes::czr_fn_checkbox_view( array(
                     'input_name'   => $link_whole_slide_id,
                     'input_state'  => $link_whole_slide_value,
                  ));
               ?>
           </div>
           <div class="meta-box-item-title">
             <h4><?php _e("Choose a slider", 'customizr' ); ?></h4>
           </div>
           <?php if (!empty( $sliders)) : ?>
             <div class="meta-box-item-content">
                 <?php //get current post slider
                  $current_post_slider = null;
                  foreach( $sliders as $slider_name => $slider_posts) {
                     if (in_array( $postid, $slider_posts)) {
                          $current_post_slider = $slider_name;
                          $current_post_slides = $slider_posts;
                      }
                  }
                 ?>
                 <select name="<?php echo esc_attr( $post_slider_id); ?>" id="<?php echo esc_attr( $post_slider_id); ?>">
                  <?php //no link option ?>
                  <option value="" <?php selected( $current_post_slider, $current = null, $echo = true ) ?>> <?php _e( '— Select a slider — ' , 'customizr' ); ?></option>
                     <?php foreach( $sliders as $slider_name => $slider_posts) : ?>
                          <option value="<?php echo $slider_name ?>" <?php selected( $slider_name, $current = $current_post_slider, $echo = true ) ?>><?php echo $slider_name?></option>
                     <?php endforeach; ?>
                 </select>
                 <input name="<?php echo $slider_id  ?>" id="<?php echo $slider_id ?>" value=""/>
                 <span class="button-primary" id="tc_create_slider"><?php _e( 'Add a slider' , 'customizr' ) ?></span>
                 <span class="spinner" style="float: left;visibility:visible;display: none;"></span>
                 <?php if (isset( $current_post_slides)) : ?>
                    <p style="text-align:right"><a href="#TB_inline?width=350&height=100&inlineId=slider-warning-message" class="thickbox"><?php _e( 'Delete this slider' , 'customizr' ) ?></a></p>
                    <div id="slider-warning-message" style="display:none;">
                      <div style="text-align:center">
                         <p>
                           <?php _e( 'The slider will be deleted permanently (images, call to actions and link will be kept).' , 'customizr' ) ?>
                        </p>
                          <br/>
                           <a class="button-secondary" id="delete-slider" href="#" title="<?php _e( 'Delete slider' , 'customizr' ); ?>" onClick="javascript:window.parent.tb_remove()"><?php _e( 'Delete slider' , 'customizr' ); ?></a>
                      </div>
                    </div>
                 <?php endif; ?>
               </div>

<?php
                 if ( isset( $current_post_slides) ) {
                  $current_attachement_id = $postid;
                  do_action( '__show_slides' ,$current_post_slides, $current_attachement_id);
                 }
               ?>

<?php else : //if no slider created yet ?>

<div class="meta-box-item-content">
                  <p class="description"> <?php _e("You haven't create any slider yet. Write a slider name and click on the button to add you first slider.", "customizr" ) ?><br/>
                  <input name="<?php echo $slider_id  ?>" id="<?php echo $slider_id ?>" value=""/>
                  <span class="button-primary" id="tc_create_slider"><?php _e( 'Add a slider' , 'customizr' ) ?></span>
                  <span class="spinner" style="float: left; diplay:none;"></span>
                  </p>
                  <br />
               </div>
           <?php endif; ?>
             <?php
         }//endif slider checked (used for ajax call back!)
      }

/*
      ----------------------------------------------------------------
      -------------------- SAVE ATTACHMENT FIELDS --------------------
      ----------------------------------------------------------------
      */

/**
       * When the attachment is saved, saves our custom slider data
       * @package Customizr
       * @since Customizr 2.0
       */
        function czr_fn_slide_save( $post_id ) {
         // verify if this is an auto save routine.
         // If it is our form has not been submitted, so we dont want to do anything

if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
             return;

// verify this came from our screen and with proper authorization,
         // because save_post can be triggered at other times

if ( !isset( $_POST['slider_noncename']) || !wp_verify_nonce( $_POST['slider_noncename'], plugin_basename( __FILE__ ) ) )
             return;

// Check permissions
         if ( !current_user_can( 'edit_post' , $post_id ) )
               return;

// OK, we're authenticated: we need to find and save the data

//set up the fields array
         $tc_slider_fields = array(
              'slide_title_field'            => 'slide_title_key' ,
              'slide_text_field'             => 'slide_text_key' ,
              'slide_color_field'            => 'slide_color_key' ,
              'slide_button_field'           => 'slide_button_key' ,
              'slide_link_field'             => 'slide_link_key' ,
              'slide_custom_link_field'       => 'slide_custom_link_key',
              'slide_link_target_field'       => 'slide_link_target_key',
              'slide_link_whole_slide_field'  => 'slide_link_whole_slide_key'
         );

//if saving in a custom table, get post_ID
         if ( $post_id == null)
           return;

//sanitize user input by looping on the fields
           foreach ( $tc_slider_fields as $tcid => $tckey) {
               if ( isset( $_POST[$tcid])) {
                 $mydata = sanitize_text_field( $_POST[$tcid] );

switch ( $tckey) {
                    //different sanitizations
                    case 'slide_text_key':
                        $default_text_length = apply_filters( 'tc_slide_text_length', apply_filters( 'czr_slide_text_length', 250 ) );
                        $mydata = esc_html( czr_fn_text_truncate( $mydata, $default_text_length, '...' ) );
                    break;

case 'slide_title_key':
                        $default_title_length = apply_filters( 'tc_slide_title_length', apply_filters( 'czr_slide_title_length', 80 ) );
                        $mydata = esc_html( czr_fn_text_truncate( $mydata, $default_title_length, '...' ) );
                    break;

case 'slide_button_key':
                        $default_button_text_length = apply_filters( 'tc_slide_button_length', apply_filters( 'czr_slide_button_length', 80 ) );
                        $mydata = esc_html( czr_fn_text_truncate( $mydata, $default_button_text_length, '...' ) );
                    break;

case 'slide_custom_link_key':
                        $mydata = esc_url( $_POST[$tcid] );
                    break;

case 'slide_link_target_key';
                    case 'slide_link_whole_slide_key':
                        $mydata = esc_attr( $mydata );
                    break;

default://for color, post link field (actually not a link but an id)
                        $mydata = esc_attr( $mydata );
                      break;
                  }//end switch
                 //write in DB
                 add_post_meta( $post_id, $tckey, $mydata, true) or
                 update_post_meta( $post_id, $tckey , $mydata);
               }//end if isset $tckey
           }//end foreach
        }

/*
      ----------------------------------------------------------------
      ---------- DISPLAY SLIDES TABLE (post and attachment) ----------
      ----------------------------------------------------------------
      */

/**
       * Display slides table dynamic content for the selected slider
       * @package Customizr
       * @since Customizr 2.0
       */
      function czr_fn_show_slides ( $current_post_slides,$current_attachement_id) {
         //check if we have slides to show
         ?>
         <?php if(empty( $current_post_slides)) : ?>
           <div class="meta-box-item-content">
              <p class="description"> <?php _e("This slider has not slides to show. Go to the media library and start adding images to it.", "customizr" ) ?><br/>
              </p>
             <br />
           </div>
         <?php else : // render?>
           <div id="tc_slides_table">
             <div id="update-status"></div>
                 <table class="wp-list-table widefat fixed media" cellspacing="0">
                  <thead>
                      <tr>
                        <th scope="col"><?php _e( 'Slide Image' , 'customizr' ) ?></th>
                        <th scope="col"><?php _e( 'Title' , 'customizr' ) ?></th>
                        <th scope="col" style="width: 35%"><?php _e( 'Slide Text' , 'customizr' ) ?></th>
                        <th scope="col"><?php _e( 'Button Text' , 'customizr' ) ?></th>
                        <th scope="col"><?php _e( 'Link' , 'customizr' ) ?></th>
                        <th scope="col"><?php _e( 'Edit' , 'customizr' ) ?></th>
                      </tr>
                    </thead>
                  <tbody id="sortable">
                    <?php
                    //loop on the slides and render if the selected slider is checked
                    foreach ( $current_post_slides as $index => $slide) {
                      //get the attachment object
                      $tc_slide = get_post( $slide );

//check if $tc_slide object exists otherwise go to the next iteration
                      if (!isset( $tc_slide))
                        continue;

//check if slider is checked for this attachment => otherwise go to the next iteration
                      $slider_check_value     = esc_attr(get_post_meta( $tc_slide->ID, $key = 'slider_check_key' , $single = true ));
                      if ( $slider_check_value == false)
                        continue;

//set up variables
                      $id                   = $tc_slide->ID;
                      $slide_src             = wp_get_attachment_image_src( $id, 'thumbnail' );
                      $slide_url             = $slide_src[0];
                      $title                 = esc_attr(get_post_meta( $id, $key = 'slide_title_key' , $single = true ));
                      $text                  = esc_html(get_post_meta( $id, $key = 'slide_text_key' , $single = true ));
                      $text_color            = esc_attr(get_post_meta( $id, $key = 'slide_color_key' , $single = true ));
                      $button_text           = esc_attr(get_post_meta( $id, $key = 'slide_button_key' , $single = true ));
                      $link                  = esc_url(get_post_meta( $id, $key = 'slide_custom_link_key' , $single = true ));
                      $button_link           = esc_attr(get_post_meta( $id, $key = 'slide_link_key' , $single = true ));

//check if $text_color is set and create an html style attribute
                      $color_style ='';
                      if( $text_color != null) {
                        $color_style = 'style="color:'.$text_color.'"';
                      }
                      ?>
                      <tr id="<?php echo $index ?>" class="ui-state-default" valign="middle">
                        <td style="vertical-align:middle" class="column-icon">
                           <?php if( $slide_url != null) : ?>
                             <img width="100" height="100" src="<?php echo $slide_url; ?>" class="attachment-80x60" alt="Hydrangeas">
                           <?php else : ?>
                             <div style="height:100px;width:100px;background:#eee;text-align:center;line-height:100px;vertical-align:middle">
                               <?php _e( 'No Image Selected' , 'customizr' ); ?>
                             </div>
                           <?php endif; ?>
                        </td>
                        <td style="vertical-align:middle" class="">
                           <?php if( $title != null) : ?>
                             <p <?php echo $color_style ?>><strong><?php echo $title ?></strong></p>
                           <?php endif; ?>
                        </td>
                        <td style="vertical-align:middle" class="">
                            <?php if( $text != null) : ?>
                             <p <?php echo $color_style ?> class="lead"><?php echo $text ?></p>
                           <?php endif; ?>
                        </td>
                        <td style="vertical-align:middle" class="">
                           <?php if( $button_text != null) : ?>
                             <p class="btn btn-large btn-primary"><?php echo $button_text; ?></p>
                           <?php endif; ?>
                        </td>
                         <td style="vertical-align:middle" class="">
                           <?php if( $button_link != null || $link != null ) : ?>
                             <p class="btn btn-large btn-primary" href="<?php echo $link ? $link : get_permalink( $button_link); ?>"><?php echo $link ? $link : get_the_title( $button_link); ?></p>
                           <?php endif; ?>
                        </td>
                         <td style="vertical-align:middle" class="">
                           <?php if( $id != $current_attachement_id) : ?>
                             <a class="button-primary" href="<?php echo admin_url( 'post.php?post='.$id.'&action=edit' ) ?>" target="_blank"><?php _e( 'Edit this slide' , 'customizr' )?></a>
                           <?php else : ?>
                             <span style="color:#999898"><?php _e( 'Current slide' , 'customizr' )?></span>
                           <?php endif; ?>
                        </td>
                      </tr>
                      <?php
                    }//end foreach
                  echo '</tbody></table><br/>';
                  ?>
                  <div class="tc-add-slide-notice">
                    <?php
                      printf('<p>%1$s</p><p>%2$s <a href="%3$s" title="%4$s" target="_blank">%4$s »</a>.</p>',
                        __('To add another slide : navigate to your media library (click on Media), open the edit screen of an image ( or add a new image ), and add it to your desired slider by using the dedicated option block at the bottom of the page.' , 'customizr'),
                        __('For more informations about sliders, check the documentation page :' , 'customizr'),
                        esc_url('http://docs.presscustomizr.com/search?query=slider'),
                        __('Slider documentation' , 'customizr')
                      );
                    ?>
                  </div>
             </div>
         <?php endif; // empty( $current_post_slides? ?>
        <?php
      }

/*
      ----------------------------------------------------------------
      ---------------- AJAX SAVE (post and attachment) ---------------
      ----------------------------------------------------------------
      */
      /**
       * Ajax saving of options and meta fields in DB for post and attachement screens
       * works along with tc_ajax_slider.js
       * @package Customizr
       * @since Customizr 2.0
       */
      function czr_fn_slider_ajax_save( $post_id ) {

//We check the ajax nonce (common for post and attachment)
           if ( !isset( $_POST['SliderCheckNonce']) || !wp_verify_nonce( $_POST['SliderCheckNonce'], 'tc-slider-check-nonce' ) )
               return;

// Check permissions
           if ( !current_user_can( 'edit_post' , $post_id ) )
               return;

// Do we have a post_id?
           if ( !isset( $_POST['tc_post_id'])) {
               return;
           }
           else {
               $post_ID = $_POST['tc_post_id'];
           }

//OPTION FIELDS
           //get options and some useful $_POST vars
           $czr_options                = get_option( 'tc_theme_options' );

if (isset( $_POST['tc_post_type']))
             $tc_post_type            = esc_attr( $_POST['tc_post_type']);
           if (isset( $_POST['currentpostslider']))
             $current_post_slider      = esc_attr( $_POST['currentpostslider']);
           if (isset( $_POST['new_slider_name']))
             $new_slider_name         = esc_attr( $_POST['new_slider_name'] );

//Save user input by looping on the fields
           foreach ( $_POST as $tckey => $tcvalue) {
               switch ( $tckey) {
                 //delete slider
                 case 'delete_slider':
                  //first we delete the meta fields related to the deleted slider
                  //which screen are we coming from?
                  if( $tc_post_type == 'attachment' ) {
                    query_posts( 'meta_key=post_slider_key&meta_value='.$current_post_slider);
                    //we loop the posts with the deleted slider meta key
                      if(have_posts()) {
                        while ( have_posts() ) : the_post();
                           //delete the post meta
                           delete_post_meta(get_the_ID(), $key = 'post_slider_key' );
                        endwhile;
                      }
                    wp_reset_query();
                  }

//we delete from the post/page screen
                  else {
                    $post_slider_meta = esc_attr(get_post_meta( $post_ID, $key = 'post_slider_key' , $single = true ));
                    if(!empty( $post_slider_meta)) {
                      delete_post_meta( $post_ID, $key = 'post_slider_key' );
                    }
                  }

//in all cases, delete DB option
                  unset( $czr_options['tc_sliders'][$current_post_slider]);
                  //update DB with new slider array
                  update_option( 'tc_theme_options' , $czr_options );
                 break;

//reorder slides
                 case 'newOrder':
                    //turn new order into array
                    if(!empty( $tcvalue))

$neworder = explode( ',' , esc_attr( $tcvalue ));

//initialize the newslider array
                    $newslider = array();

foreach ( $neworder as $new_key => $new_index) {
                        $newslider[$new_index] =  $czr_options['tc_sliders'][$current_post_slider][$new_index];
                    }

$czr_options['tc_sliders'][$current_post_slider] = $newslider;

//update DB with new slider array
                    update_option( 'tc_theme_options' , $czr_options );
                  break;

//sliders are added in options
                 case 'new_slider_name':
                    //check if we have something to save
                    $new_slider_name                               = esc_attr( $tcvalue );
                    $delete_slider                                 = false;
                    if ( isset( $_POST['delete_slider']))
                        $delete_slider                             = $_POST['delete_slider'];

//prevent saving if we delete
                    if (!empty( $new_slider_name) && $delete_slider != true) {
                        $new_slider_name                           = wp_filter_nohtml_kses( $tcvalue );
                        //remove spaces and special char
                        $new_slider_name                           = strtolower(preg_replace("![^a-z0-9]+!i", "-", $new_slider_name));

$czr_options['tc_sliders'][$new_slider_name]      = array( $post_ID);
                        //adds the new slider name in DB options
                        update_option( 'tc_theme_options' , $czr_options );
                      //associate the current post with the new saved slider

//looks for a previous slider entry and delete it
                      foreach ( $czr_options['tc_sliders'] as $slider_name => $slider) {

foreach ( $slider as $key => $tc_post) {
                           //clean empty values if necessary
                           if ( is_null( $czr_options['tc_sliders'][$slider_name][$key]))
                             unset( $czr_options['tc_sliders'][$slider_name][$key]);

//delete previous slider entries for this post
                           if ( $tc_post == $post_ID )
                             unset( $czr_options['tc_sliders'][$slider_name][$key]);
                          }
                        }

//update DB with clean option table
                        update_option( 'tc_theme_options' , $czr_options );

//push new post value for the new slider and write in DB
                        array_push( $czr_options['tc_sliders'][$new_slider_name], $post_ID);
                        update_option( 'tc_theme_options' , $czr_options );

}

break;

//post slider value
                  case 'post_slider_name':
                      //check if we display the attachment screen
                      if (!isset( $_POST['slider_check_field'])) {
                        break;
                      }
                      //we are in the attachment screen and we uncheck slider options checkbox
                      elseif ( $_POST['slider_check_field'] == 0) {
                        break;
                      }

//if we are in the slider creation case, the selected slider has to be the new one!
                      if (!empty( $new_slider_name))
                        break;

//check if we have something to save
                      $post_slider_name                  = esc_attr( $tcvalue );

//check if we have an input and if we are not in the slider creation case
                      if (!empty( $post_slider_name)) {

$post_slider_name               = wp_filter_nohtml_kses( $post_slider_name );
                          //looks for a previous slider entry and delete it.
                         //Important : we check if the slider has slides first!
                           foreach ( $czr_options['tc_sliders'] as $slider_name => $slider) {
                             foreach ( $slider as $key => $tc_post) {

//clean empty values if necessary
                               if ( is_null( $czr_options['tc_sliders'][$slider_name][$key])) {
                                   unset( $czr_options['tc_sliders'][$slider_name][$key]);
                               }

//clean slides with no images
                               $slide_img = wp_get_attachment_image( $czr_options['tc_sliders'][$slider_name][$key]);
                               if (isset($slide_img) && empty($slide_img)) {
                                   unset( $czr_options['tc_sliders'][$slider_name][$key]);
                               }

//delete previous slider entries for this post
                              if ( $tc_post == $post_ID ) {
                                 unset( $czr_options['tc_sliders'][$slider_name][$key]);
                               }

}//end for each
                           }
                           //update DB with clean option table
                           update_option( 'tc_theme_options' , $czr_options );

//check if the selected slider is empty and set it as array
                          if( empty( $czr_options['tc_sliders'][$post_slider_name]) ) {
                           $czr_options['tc_sliders'][$post_slider_name] = array();
                          }

//push new post value for the slider and write in DB
                           array_push( $czr_options['tc_sliders'][$post_slider_name], $post_ID);
                           update_option( 'tc_theme_options' , $czr_options );
                      }//end if !empty( $post_slider_name)

//No slider selected
                      else {
                        //looks for a previous slider entry and delete it
                          foreach ( $czr_options['tc_sliders'] as $slider_name => $slider) {
                           foreach ( $slider as $key => $tc_post) {
                              //clean empty values if necessary
                              if ( is_null( $czr_options['tc_sliders'][$slider_name][$key]))
                                 unset( $czr_options['tc_sliders'][$slider_name][$key]);
                              //delete previous slider entries for this post
                              if ( $tc_post == $post_ID )
                                 unset( $czr_options['tc_sliders'][$slider_name][$key]);
                           }
                          }
                          //update DB with clean option table
                          update_option( 'tc_theme_options' , $czr_options );
                      }
                    break;
                 }//end switch
              }//end foreach

//POST META FIELDS
             //set up the fields array
             $tc_slider_fields = array(
               //posts & pages
                'post_slider_name'           => 'post_slider_key' ,
                'post_slider_check_field'     => 'post_slider_check_key' ,
               //attachments
                'slider_check_field'         => 'slider_check_key' ,
             );

do_action( "__before_ajax_save_slider_{$tc_post_type}", $_POST, $tc_slider_fields );
               //sanitize user input by looping on the fields
               foreach ( $tc_slider_fields as $tcid => $tckey) {
                  if ( isset( $_POST[$tcid])) {
                      switch ( $tckey) {
                        //different sanitizations
                        //the slider name custom field for a post/page
                        case 'post_slider_key' :
                           $mydata = esc_attr( $_POST[$tcid] );
                           //Does the selected slider still exists in options? (we first check if the selected slider is not empty)
                           if(!empty( $mydata) && !isset( $czr_options['tc_sliders'][$mydata]))
                             break;

//write in DB
                           add_post_meta( $post_ID, $tckey, $mydata, true) or
                             update_post_meta( $post_ID, $tckey , $mydata);
                        break;

//inserted/updated in all cases
                        case 'post_slider_check_key':
                        case 'slider_check_key':
                           $mydata = esc_attr( $_POST[$tcid] );
                           //write in DB
                           add_post_meta( $post_ID, $tckey, $mydata, true) or
                             update_post_meta( $post_ID, $tckey , $mydata);

//check if we are in the attachment screen AND slider unchecked
                           if( $tckey == 'slider_check_key' && esc_attr( $_POST[$tcid] ) == 0) {

//if we uncheck the attachement slider, looks for a previous entry and delete it.
                               //Important : we check if the slider has slides first!
                               if ( isset( $czr_options['tc_sliders'])) {
                                 foreach ( $czr_options['tc_sliders'] as $slider_name => $slider) {
                                   foreach ( $slider as $key => $tc_post) {
                                     //clean empty values if necessary
                                     if ( is_null( $czr_options['tc_sliders'][$slider_name][$key]))
                                        unset( $czr_options['tc_sliders'][$slider_name][$key]);
                                     //delete previous slider entries for this post
                                     if ( $tc_post == $post_ID )
                                        unset( $czr_options['tc_sliders'][$slider_name][$key]);
                                   }
                                 }
                               }
                               //update DB with clean option table
                               update_option( 'tc_theme_options' , $czr_options );

}//endif;

break;
                      }//end switchendif;
                  }//end if ( isset( $_POST[$tcid])) {
               }//end foreach
               //attachments
               if( $tc_post_type == 'attachment' )
                 $this->czr_fn_slide_save( $post_ID );

do_action( "__after_ajax_save_slider_{$tc_post_type}", $_POST, $tc_slider_fields );
           }//function

/*
  ----------------------------------------------------------------
  -------- AJAX CALL BACK FUNCTION (post and attachment) ---------
  ----------------------------------------------------------------
  */

/**
   * Global slider ajax call back function : 1-Saves options and fields, 2-Renders
   * Used in post or attachment context => uses post_slider var to check the context
   * Works along with tc_ajax_slider.js
   * @package Customizr
   * @since Customizr 2.0
   */
     function czr_fn_slider_cb() {
      if ( !isset( $_POST['SliderCheckNonce']) ) {
        die();
      }
      $nonce = $_POST['SliderCheckNonce'];
      // check if the submitted nonce matches with the generated nonce we created earlier
      if ( !wp_verify_nonce( $nonce, 'tc-slider-check-nonce' ) ) {
        die();
      }

Try{
        //get the post_id with the hidden input field
        $tc_post_id         = $_POST['tc_post_id'];

//save $_POST var in DB
        $this->czr_fn_slider_ajax_save( $tc_post_id);

//check if we are in the post or attachment screen and select the appropriate rendering
        //we use the post_slider var defined in tc_ajax_slider.js
        if ( isset( $_POST['tc_post_type'])) {
         if( $_POST['tc_post_type'] == 'post' ) {
           $this->czr_fn_get_post_slider_infos( $tc_post_id );
         }
         else {
           $this->czr_fn_get_attachment_slider_infos( $tc_post_id );
         }
        }
        //echo $_POST['slider_id'];
       } catch (Exception $e){
         exit;
       }
       exit;
     }

/**
       * Loads the necessary scripts and stylesheets to display slider options
       * @package Customizr
       * @since Customizr 1.0
       * @hook czr_slider_metabox_added
       */
      function czr_fn_slider_admin_scripts( $post ) {

$_min_version = ( !$this->_minify_resources ) ? '' : '.min';

//load scripts only for creating and editing slides options in pages and posts
         if ( did_action( 'tc_attachment_metabox_added' ) ) {
            wp_enqueue_script( 'jquery-ui-sortable' );
         }

do_action( 'tc_enqueue_ajax_slider_before' );

//ajax refresh for slider options
         wp_enqueue_script( 'czr_ajax_slider' ,
            sprintf('%1$sback/js/tc_ajax_slider%2$s.js' , CZR_BASE_URL . CZR_ASSETS_PREFIX, $_min_version ),
            array( 'jquery' ),
            ( defined('WP_DEBUG') && true === WP_DEBUG ) ? CUSTOMIZR_VER . time() : CUSTOMIZR_VER,
            true
         );

// Tips to declare javascript variables http://www.garyc40.com/2010/03/5-tips-for-using-ajax-in-wordpress/#bad-ways
         wp_localize_script( 'czr_ajax_slider' , 'SliderAjax' , array(
            // URL to wp-admin/admin-ajax.php to process the request
            //'ajaxurl'         => admin_url( 'admin-ajax.php' ),
            // generate a nonce with a unique ID "myajax-post-comment-nonce"
            // so that you can check it later when an AJAX request is sent
               'SliderNonce' => wp_create_nonce( 'tc-slider-nonce' ),
               'SliderCheckNonce' => wp_create_nonce( 'tc-slider-check-nonce' ),
            )
         );

//thickbox
         wp_admin_css( 'thickbox' );
         add_thickbox();

//sortable stuffs
         wp_enqueue_style( 'sortablecss' ,
            sprintf('%1$sback/css/tc_sortable%2$s.css' , CZR_BASE_URL . CZR_ASSETS_PREFIX, $_min_version )
         );

//wp built-in color picker style and script
         //Access the global $wp_version variable to see which version of WordPress is installed.
         global $wp_version;

//If the WordPress version is greater than or equal to 3.5, then load the new WordPress color picker.
         if ( 3.5 <= $wp_version ){
            //Both the necessary css and javascript have been registered already by WordPress, so all we have to do is load them with their handle.
            wp_enqueue_style( 'wp-color-picker' );
            wp_enqueue_script( 'wp-color-picker' );
             // load the minified version of custom script
            wp_enqueue_script( 'cp_demo-custom' ,
               sprintf('%1$sback/js/color-picker%2$s.js' , CZR_BASE_URL . CZR_ASSETS_PREFIX , $_min_version ),
               array( 'jquery' , 'wp-color-picker' ),
               true
            );
         }
         //If the WordPress version is less than 3.5 load the older farbtasic color picker.
         else {
            //As with wp-color-picker the necessary css and javascript have been registered already by WordPress, so all we have to do is load them with their handle.
            wp_enqueue_style( 'farbtastic' );
            wp_enqueue_script( 'farbtastic' );
            // load the minified version of custom script
            wp_enqueue_script(
              'cp_demo-custom' ,
              sprintf('%1$sback/js/color-picker%2$s.js' ,  CZR_BASE_URL . CZR_ASSETS_PREFIX, $_min_version ),
              array( 'jquery' , 'farbtastic' ),
              ( defined('WP_DEBUG') && true === WP_DEBUG ) ? CUSTOMIZR_VER . time() : CUSTOMIZR_VER,
              true
            );
         }

do_action( 'tc_enqueue_ajax_slider_after' );

}

/**
       * Loads the necessary scripts for the post formats metaboxes
       * @package Customizr
       * @since Customizr 4.0
       * @hook czr_post_formats_metabox_added
       */

function czr_fn_post_formats_admin_scripts( $post ) {

$_ext = $this->_minify_resources ? '.min.js' : '.js';

wp_enqueue_script( 'czr-post-formats' ,
            sprintf('%1$sback/js/czr_post_formats%2$s' , CZR_BASE_URL . CZR_ASSETS_PREFIX, $_ext ),
            array( 'jquery', 'underscore' ),
            $this->_resouces_version,
            $in_footer = true

);

wp_localize_script( 'czr-post-formats',
            'CZRPostFormatsParams' ,
            array(
               'postFormatSections' => $this->czr_fn_get_post_meta_boxes_map(),
               'currentPostFormat' => get_post_format( $post ),
            )
         );

}

/*
  ----------------------------------------------------------------
  ------------- ATTACHMENT FIELDS FILTER IF WP < 3.5 -------------
  ----------------------------------------------------------------
  */
   function czr_fn_attachment_filter( $form_fields, $post = null) {
      $this->czr_fn_attachment_slider_box ( $post);
      return $form_fields;
   }

function czr_fn_attachment_save_filter( $post, $attachment ) {
      if ( isset( $_POST['tc_post_id']))
      $postid = $_POST['tc_post_id'];

$this->czr_fn_slide_save( $postid );

return $post;
   }

/*
   ----------------------------------------------------------------
   ---------------------- STATIC FIELDS VIEWS ---------------------
   ----------------------------------------------------------------
   */
      /**
      * Build title element html
      *
      * @package Customizr
      */
      public static function czr_fn_title_view( $args ) {

$defaults = array(
            'title_tag'     => 'h4',
            'wrapper_class' => 'meta-box-item-title',
            'wrapper_tag'   => 'div',
            'title_text'    => '',
            'echo'          => 1,
            'boxed'         => 1,
         );

$args    = wp_parse_args( $args, $defaults );
         extract($args);

$content = sprintf( '<%1$s>%2$s</%1$s>', $title_tag, $title_text );

$html    = $boxed ? CZR_meta_boxes::czr_fn_wrapper_view(
                        compact( 'content', 'wrapper_tag', 'wrapper_class')
                    ) : $content;

if ( !$echo )
            return $html;

echo $html;

}

/**
      * Build checkbox element html
      *
      * @package Customizr
      */
      public static function czr_fn_checkbox_view( $args ) {

$defaults = array(
            'input_name'     => '',
            'input_class'    => 'czr-toggle-check__input',
            'input_state'    => '',
            'echo'          => 1,
            'boxed'         => 1,
            'input_type'     => 'checkbox',
            'input_value'    => '1',
            'content_before' => '',
         );

$args = wp_parse_args( $args, $defaults );
         extract( $args );

CZR_meta_boxes::czr_fn_generic_input_view( array_merge( $args, array(
            'content_before' => $content_before . '<input name="'. $input_name .'" type="hidden" value = "0" /><span class="czr-toggle-check">',
            'custom_args'    => checked( $input_state, $current = true, $c_echo = false),
            'content_after'  => '<span class="czr-toggle-check__track"></span><span class="czr-toggle-check__thumb"></span></span>'
         )));
      }

/**
      * Build selectbox element html
      *
      * @package Customizr
      */
      public static function czr_fn_selectbox_view( $args ) {
         $defaults = array(
            'select_name'    => '',
            'select_class'   => '',
            'echo'          => 1,
            'boxed'         => 1,
            'content_before' => '',
            'content_after'  => '',
            'choices'        => array(),
            'selected'       => '',
            'wrapper_tag'   => 'div',
            'wrapper_class' => 'meta-box-item-content',
         );

$args = wp_parse_args( $args, $defaults );
         extract($args);

if ( !$choices ) return;

$select_id = isset($select_id) ? $select_id : $select_name;

$options_html = '';

foreach( $choices as $key => $label )
            $options_html .= sprintf('<option value=%1$s %2$s>%3$s</option>',
            esc_attr( $key ),
            selected( $selected, esc_attr( $key ), $s_echo = false ),
            $label
         );

$content = sprintf('<select name="%1$s" id ="%2$s">%3$s</select>',
            $select_name,
            $select_id,
            $options_html
         );

$content = $content_before . $content . $content_after;

$html    = $boxed ? CZR_meta_boxes::czr_fn_wrapper_view(
                        compact( 'content', 'wrapper_tag', 'wrapper_class')
                    ) : $content;

$html     = !( isset($title) && is_array( $title ) && !empty( $title ) ) ? $html :
                        sprintf( "%s%s",
                           CZR_meta_boxes::czr_fn_title_view( array_merge($title, array( 'echo' => 0 ) ) ),
                           $html
                        );

if ( !$echo )
         return $html;

echo $html ;
      }

/**
      * Build generic input element html
      *
      * @package Customizr
      */
      public static function czr_fn_generic_input_view( $args ) {
        $defaults = array(
         'input_name'     => '',
         'input_class'    => 'widefat',
         'input_type'     => 'text',
         'input_value'    => '0',
         'custom_args'    => '',
         'echo'          => 1,
         'boxed'         => 1,
         'content_before' => '',
         'content_after'  => '',
         'wrapper_tag'   => 'div',
         'wrapper_class' => 'meta-box-item-content',
        );

$args = wp_parse_args( $args, $defaults );
        extract($args);

$input_id = isset($input_id) ? $input_id : $input_name;

$content = sprintf('<input name="%1$s" id="%2$s" value="%3$s" %4$s class="%5$s" type="%6$s" />',
            esc_attr( $input_name ),
            esc_attr( $input_id ),
            esc_attr( $input_value ),
            $custom_args,
            $input_class,
            $input_type
        );

$content = $content_before . $content . $content_after;

$html = $boxed ? CZR_meta_boxes::czr_fn_wrapper_view(
         compact( 'content', 'wrapper_tag', 'wrapper_class')
        ) : $content;

$html = !( isset($title) && is_array( $title ) && !empty( $title ) ) ? $html :
           sprintf( "%s%s",
             CZR_meta_boxes::czr_fn_title_view( array_merge($title, array( 'echo' => 0 ) ) ),
             $html
         );

if ( !$echo )
         return $html;

echo $html;
      }

/**
      * Build generic input element html
      *
      * @package Customizr
      */
      public static function czr_fn_textarea_view( $args ) {
        $defaults = array(
         'input_name'     => '',
         'input_class'    => 'widefat',
         'input_value'    => '0',
         'custom_args'    => '',
         'echo'          => 1,
         'boxed'         => 1,
         'content_before' => '',
         'content_after'  => '',
         'rows'          => '5',
         'cols'          => '40',
         'wrapper_tag'   => 'div',
         'wrapper_class' => 'meta-box-item-content',
        );

$args = wp_parse_args( $args, $defaults );
        extract($args);

$input_id = isset($input_id) ? $input_id : $input_name;

$content = sprintf('<textarea name="%1$s" d="%2$s" %4$s class="%5$s" type="%6$s" rows="%6$s" cols="%7$s">%3$s</textarea>',
            esc_attr( $input_name ),
            esc_attr( $input_id ),
            esc_attr( $input_value ),
            $custom_args,
            $input_class,
            $rows,
            $cols
        );

$content = $content_before . $content . $content_after;

$html = $boxed ? CZR_meta_boxes::czr_fn_wrapper_view(
         compact( 'content', 'wrapper_tag', 'wrapper_class')
        ) : $content;

$html = !( isset($title) && is_array( $title ) && !empty( $title ) ) ? $html :
           sprintf( "%s%s",
             CZR_meta_boxes::czr_fn_title_view( array_merge($title, array( 'echo' => 0 ) ) ),
             $html
         );

if ( !$echo )
         return $html;

echo $html ;
      }

/**
      * Build generic content wrapper html
      *
      * @package Customizr
      */
      public static function czr_fn_wrapper_view( $args ) {
        $defaults = array(
         'wrapper_tag'   => 'div',
         'wrapper_class' => 'meta-box-item-content',
         'echo'         => false,
         'content'       => ''
        );

$args = wp_parse_args( $args, $defaults );
        extract($args);

$html = sprintf('<%1$s class="%2$s">%3$s</%1$s>',
         $wrapper_tag,
         $wrapper_class,
         $content
        );

if ( !$echo )
         return $html;
        echo $html;
      }

}//end of class
endif;