bw_nivo_slider() – Implement the [nivo] shortcode to display a Nivo slider for attachments or other post types

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Description

Implement the [nivo] shortcode to display a Nivo slider for attachments or other post types

The nivo slider consists of: jQuery, the Nivo slider jQuery and something to attach nivoSlider to the div containing the images Nivo is a bit pernickety about the html you use in order to create links with captions; finally dealt with in version 1.12 with the addition of bw_format_nivo_html_captions().

Usage

$string = bw_nivo_slider( $atts );

Parameters

$atts

( array ) optional – array of shortcode parameters

Returns

string the results of expanding the shortcode

Source

File name: oik-nivo-slider/nivo.php
Lines:

function bw_nivo_slider( $atts=null ) {
  $atts[ 'post_type'] = bw_array_get( $atts, "post_type", "attachment" );
  if ( $atts['post_type'] == "attachment" ) {
    $def_post_mime_type = "image"; 
  } else {
    $def_post_mime_type = null;  
  }  
  $atts[ 'post_mime_type'] = bw_array_get( $atts, "post_mime_type", $def_post_mime_type );
  $theme = bw_array_get( $atts, "theme", "default" );
  $class = bw_array_get( $atts, "class", null );
  $format = bw_array_get( $atts, "format", null );
  if ( $format ) {
    $atts['link'] = bw_array_get( $atts, "link", "n" );
  } else {
    $atts['link'] = bw_array_get( $atts, "link", "y" );
  }  
  $atts['caption'] = bw_array_get($atts, "caption", "y" );
  $ribbon = bw_validate_torf( bw_array_get(  $atts, "ribbon", "y" ));
  $atts['thumbnail'] = bw_array_get( $atts, "thumbnail", "full" );
  oik_require( "shortcodes/oik-attachments.php" );
  $pos = strpos( $atts['post_type'], ':' ); 
  if ( $pos != FALSE ) {  
    $posts = bw_get_special_post_type( $atts );
    $atts['post_type'] = substr( $atts['post_type'], 0, $pos ); 
  } else {
    $posts = bw_get_posts( $atts );
  }  
  if ( $posts ) {
    wp_enqueue_style( "nivo${theme}", oik_url( "themes/${theme}/${theme}.css", "oik-nivo-slider" ) ); 
    $version = bw_nivo_version( $theme );
    wp_enqueue_style( "nivoCSS-$version", oik_url( "nivo-slider-$version.css", "oik-nivo-slider" ) ); 
    bw_nivo_enqueue_script( $version );
    $slider_id = bw_slider_id();
    //e( '<script type="text/javascript">jQuery(window).load(function() {  jQuery(\'#slider-'. $slider_id. '\').nivoSlider(); });</script>' );
    if ( $version == "271" ) {
      bw_jquery( "#slider-$slider_id", "nivoSlider271", bw_jkv( get_option( 'bw_nivo_slider' ) ), true );
    } else { 
      //bw_jquery( "#slider-$slider_id", "nivoSlider", bw_jkv( get_option( 'bw_nivo_slider' ) ), true );
      $options = get_option( 'bw_nivo_slider' );
      // 2013/01/29 - Implemented ability to override "controlNav" with a "nav" parameter.
      // and "pauseTime" with a "pause" parameter
      $options = bw_override_options( $options, "controlNav", $atts, "nav", "bw_validate_torf" ); 
      $options = bw_override_options( $options, "pauseTime", $atts, "pause" ); 
      $options = bw_override_options( $options, "manualAdvance", $atts, "manual", "bw_validate_torf" ); 
      $options = bw_override_options( $options, "controlNavThumbs", $atts, "thumbs", "bw_validate_torf" ); 
      $options = bw_override_options( $options, "effect", $atts, "effect", "bw_filter_transition_effect" ); 
      //bw_trace2( $options, "options" );   
      bw_jquery( "#slider-$slider_id", "nivoSlider", bw_jkv( $options ), true );
    }  
    if ( bw_validate_torf( $atts['link'] ) ) {
      $oik_nc_script = 'jquery.oik-nc-click.js';  
      wp_enqueue_script( 'oik-nc-click.js', oik_url( $oik_nc_script, "oik-nivo-slider" ), array( "nivo-slider-$version-js" ) ); 
      //e( '<script type="text/javascript">jQuery(window).load(function() {  jQuery(\'#slider-'. $slider_id. '\').oikNCClick(); });</script>' );
      bw_jquery( "#slider-$slider_id", "oikNCClick", null, true );
    }  
    sdiv( $class );
    sdiv( "slider-wrapper theme-${theme}" );
    if ( $ribbon )
      sediv( "ribbon" );
    //sediv( "nivoSlider-dummy" );
    sdiv( "nivoSlider", "slider-$slider_id" );
    $atts['slider-id'] = "slider-$slider_id";
    $funcname = bw_funcname( "bw_format_nivo", $atts['post_type'] );
    $count = 0;
    foreach ( $posts as $post ) {
      $atts['count'] = $count++;
      $funcname( $post, $atts );
    }
    ediv();
    
    // Now, add the formatted content if requested
    if ( $format ) {
      bw_format_nivo_html_captions( $posts, $atts );
    }
    ediv();  
    ediv( $class ); 
    bw_clear_processed_posts();
  }  
  return bw_ret();
}
 

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