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<?php
global $graphene_settings;
/**
* Creates the functions that output the slider
*/
function graphene_slider(){
global $graphene_settings, $graphene_in_slider;
$graphene_in_slider = true;
if ( $graphene_settings['slider_display_style'] == 'bgimage-excerpt' )
graphene_set_excerpt_length( 35 );
do_action( 'graphene_before_slider' ); ?>
<?php
/* Generate classes for the slider wrapper */
$class = array( 'featured_slider', 'clearfix' );
$class[] = $graphene_settings['slider_display_style'];
$class[] = $graphene_settings['slider_animation'];
/* For backward compatibility */
if ( $graphene_settings['slider_display_style'] == 'bgimage-excerpt' )
$class[] = 'full-sized';
$class = apply_filters( 'graphene_slider_class', $class );
$class = implode( ' ', $class );
?>
<div class="<?php echo $class; ?>">
<?php do_action( 'graphene_before_slider_root' ); ?>
<div id="slider_root" class="clearfix">
<?php do_action( 'graphene_before_slideritems' ); ?>
<div class="slider_items">
<?php
/* Get the posts to be displayed */
$sliderposts = graphene_get_slider_posts();
/* Display each post in the slider */
$slidernav_html = '';
$i = 0;
while ( $sliderposts->have_posts() ) : $sliderposts->the_post();
$style = '';
/* Slider background image*/
if ( $graphene_settings['slider_display_style'] == 'bgimage-excerpt' ) {
$image = graphene_get_slider_image( get_the_ID(), 'graphene_slider', true);
if ( $image ){
$style .= 'style="background-image:url(';
$style .= ( is_array( $image ) ) ? $image[0] : $image;
$style .= ');"';
}
}
$slider_link_url = esc_url( graphene_get_post_meta( get_the_ID(), 'slider_url' ) );
if ( ! $slider_link_url )
$slider_link_url = get_permalink();
$slider_link_url = apply_filters( 'graphene_slider_link_url', $slider_link_url, get_the_ID() );
?>
<div <?php graphene_grid( 'slider_post clearfix', 16, 11, 8, true, true ); ?> id="slider-post-<?php the_ID(); ?>" <?php echo $style; ?>>
<?php do_action( 'graphene_before_sliderpost' ); ?>
<?php if ( $graphene_settings['slider_display_style'] == 'bgimage-excerpt' ) : ?>
<a href="<?php echo $slider_link_url; ?>" class="permalink-overlay"><span><?php _e( 'View full post', 'graphene' ); ?></span></a>
<?php endif; ?>
<?php if ( $graphene_settings['slider_display_style'] == 'thumbnail-excerpt' ) : ?>
<?php /* The slider post's featured image */ ?>
<?php
$slider_img_setting = graphene_get_post_meta( get_the_ID(), 'slider_img' );
if ( $slider_img_setting != 'disabled' && ! ( ( $slider_img_setting == 'global' || $slider_img_setting == '' ) && $graphene_settings['slider_img'] == 'disabled' ) ) :
$image = graphene_get_slider_image( get_the_ID(), apply_filters( 'graphene_slider_image_size', 'thumbnail' ) );
if ( $image ) :
?>
<div class="sliderpost_featured_image">
<a href="<?php echo $slider_link_url; ?>"><?php echo $image; ?></a>
</div>
<?php endif; endif; ?>
<?php endif; ?>
<div class="slider-entry-wrap clearfix">
<div class="slider-content-wrap">
<?php /* The slider post's title */ ?>
<h2 class="slider_post_title"><a href="<?php echo $slider_link_url; ?>"><?php the_title(); ?></a></h2>
<?php /* The slider post's excerpt */ ?>
<div class="slider_post_entry clearfix">
<?php
if ( $graphene_settings['slider_display_style'] != 'full-post' ){
the_excerpt();
?>
<?php if ( $graphene_settings['slider_display_style'] == 'thumbnail-excerpt' ) : ?>
<a class="block-button" href="<?php echo $slider_link_url; ?>"><?php _e( 'View full post', 'graphene' ); ?></a>
<?php endif; ?>
<?php } else { the_content(); }?>
<?php do_action( 'graphene_slider_postentry' ); ?>
</div>
</div>
</div>
</div>
<?php
$slidernav_html .= '<a href="#"'. ( $i == 0 ? ' class="active"' : '' ) .'><span>'. get_the_title(). '</span></a>';
$i++;
endwhile;
wp_reset_postdata();
?>
</div>
</div>
<?php /* The slider navigation */ ?>
<div class="slider_nav">
<?php echo $slidernav_html; ?>
<?php do_action( 'graphene_slider_nav' ); ?>
</div>
</div>
<?php
do_action( 'graphene_after_slider' );
graphene_reset_excerpt_length();
$graphene_in_slider = false;
}
/**
* Create an intermediate function that controls where the slider should be displayed
*/
if ( ! function_exists( 'graphene_display_slider' ) ) :
function graphene_display_slider(){
if ( is_front_page() ){
graphene_slider();
}
}
endif;
/**
* Hook the slider to the appropriate action hook
*/
if ( ! $graphene_settings['slider_disable'] ){
if ( ! $graphene_settings['slider_position'] ) {
if ( $graphene_settings['slider_full_width'] )
add_action( 'graphene_before_content-main', 'graphene_display_slider' );
else
add_action( 'graphene_top_content', 'graphene_display_slider' );
} else {
if ( $graphene_settings['slider_full_width'] )
add_action( 'graphene_after_content', 'graphene_display_slider' );
else
add_action( 'graphene_bottom_content', 'graphene_display_slider', 11 );
}
}
if ( ! function_exists( 'graphene_get_slider_image' ) ) :
/**
* This function determines which image to be used as the slider image based on user
* settings, and returns the <img> tag of the the slider image.
*
* It requires the post's ID to be passed in as argument so that the user settings in
* individual post / page can be retrieved.
*/
function graphene_get_slider_image( $post_id = NULL, $size = 'thumbnail', $urlonly = false, $default = '' ){
global $graphene_settings;
// Throw an error message if no post ID supplied
if ( $post_id == NULL){
echo '<strong>ERROR:</strong> Post ID must be passed as an input argument to call the function <code>graphene_get_slider_image()</code>.';
return;
}
// First get the settings
$global_setting = ( $graphene_settings['slider_img'] ) ? $graphene_settings['slider_img'] : 'featured_image';
$local_setting = graphene_get_post_meta( $post_id, 'slider_img' );
$local_setting = ( $local_setting ) ? $local_setting : '';
// Determine which image should be displayed
$final_setting = ( $local_setting == '' ) ? $global_setting : $local_setting;
// Build the html based on the final setting
$html = '';
if ( $final_setting == 'disabled' ){ // image disabled
return false;
} elseif ( $final_setting == 'featured_image' ){ // Featured Image
if ( has_post_thumbnail( $post_id ) ) :
if ( $urlonly )
$html = wp_get_attachment_image_src( get_post_thumbnail_id( $post_id ), $size );
else
$html .= get_the_post_thumbnail( $post_id, $size );
endif;
} elseif ( $final_setting == 'post_image' ){ // First image in post
$html = graphene_get_post_image( $post_id, $size, '', $urlonly);
} elseif ( $final_setting == 'custom_url' ){ // Custom URL
if ( ! $urlonly ){
$html .= '';
if ( $local_setting != '' ) :
$html .= '<img src="' . esc_url( graphene_get_post_meta( $post_id, 'slider_imgurl' ) ) . '" alt="" />';
else :
$html .= '<img src="' . esc_url( $graphene_settings['slider_imgurl'] ) . '" alt="" />';
endif;
} else {
if ( $local_setting != '' ) :
$html .= esc_url( graphene_get_post_meta( $post_id, 'slider_imgurl' ) );
else :
$html .= esc_url( $graphene_settings['slider_imgurl'] );
endif;
}
}
if ( ! $html )
$html = $default;
// Returns the html
return $html;
}
endif;
/**
* Returns the posts to be displayed in the slider
*
* @return object Object containing the slider posts
* @package Graphene
* @since 1.6
*/
if ( ! function_exists( 'graphene_get_slider_posts' ) ) :
function graphene_get_slider_posts(){
global $graphene_settings;
/* Get the category whose posts should be displayed here. */
$slidertype = ( $graphene_settings['slider_type'] != '' ) ? $graphene_settings['slider_type'] : false;
/* Set the post types to be displayed */
$slider_post_type = ( in_array( $slidertype, array( 'posts_pages', 'categories' ) ) ) ? array( 'post', 'page' ) : array( 'post' ) ;
$slider_post_type = apply_filters( 'graphene_slider_post_type', $slider_post_type );
/* Get the number of posts to show */
$postcount = ( $graphene_settings['slider_postcount'] ) ? $graphene_settings['slider_postcount'] : 5 ;
$args = array(
'posts_per_page' => $postcount,
'orderby' => 'menu_order date',
'order' => 'DESC',
'suppress_filters' => 0,
'post_type' => $slider_post_type,
'ignore_sticky_posts' => 1, // otherwise the sticky posts show up undesired
);
if ( $slidertype && $slidertype == 'random' ) {
$args = array_merge( $args, array( 'orderby' => 'rand' ) );
}
if ( $slidertype && $slidertype == 'posts_pages' ) {
$post_ids = $graphene_settings['slider_specific_posts'];
$post_ids = preg_split("/[\s]*[,][\s]*/", $post_ids, -1, PREG_SPLIT_NO_EMPTY); // post_ids are comma separated, the query needs a array
$post_ids = graphene_object_id( $post_ids );
$args = array_merge( $args, array( 'post__in' => $post_ids, 'posts_per_page' => -1, 'orderby' => 'post__in' ) );
}
if ( $slidertype && $slidertype == 'categories' && is_array( $graphene_settings['slider_specific_categories'] ) ) {
$cats = $graphene_settings['slider_specific_categories'];
$cats = graphene_object_id( $cats, 'category' );
$args = array_merge( $args, array( 'category__in' => $cats ) );
if ( $graphene_settings['slider_random_category_posts'] )
$args = array_merge( $args, array( 'orderby' => 'rand' ) );
}
/* Get the posts */
$sliderposts = new WP_Query( apply_filters( 'graphene_slider_args', $args ) );
return apply_filters( 'graphene_slider_posts', $sliderposts );
}
endif;
/**
* Exclude posts that belong to the categories displayed in slider from the posts listing
*/
function graphene_exclude_slider_categories( $request ){
global $graphene_settings, $graphene_defaults;
if ( $graphene_settings['slider_type'] != 'categories' ) return $request;
if ( is_admin() ) return $request;
if ( $graphene_settings['slider_exclude_categories'] != $graphene_defaults['slider_exclude_categories'] ){
$dummy_query = new WP_Query();
$dummy_query->parse_query( $request );
if ( get_option( 'show_on_front' ) == 'page' && $dummy_query->query_vars['page_id'] == get_option( 'page_on_front' ) ) return $request;
if ( ( $graphene_settings['slider_exclude_categories'] == 'everywhere' ) ||
$graphene_settings['slider_exclude_categories'] == 'homepage' && $dummy_query->is_home() )
$request['category__not_in'] = graphene_object_id( $graphene_settings['slider_specific_categories'], 'category' );
}
return $request;
}
add_filter( 'request', 'graphene_exclude_slider_categories' );