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<?php
/**
* Infinite Scroll on the Homepage
*
* Display posts until the end of time
*
* @package WordPress
* @subpackage Lossip
* @since Lossip 1.0
*/
class mmg_infinite_scroll {
var $is_infinite_scroll = false;
var $posts_per_page = 10; // posts_per_page passed to the WP_Query - MUST REMAIN INTEGER
var $batch_offset = 10; // offset passed to the WP_Query - MUST REMAIN INTEGER
var $content_container = 'infinite-scroll'; // Container ID to append new articles to
var $pixel_offset = '500'; // How many pixels from the bottom of the scroll before triggering IS
var $category_not_in = array( 12135, 2605 ); // category__not_in passed to the WP_Query - MUST REMAIN INTEGER
var $firstrun = true;
// Actions and filters
function __construct() {
add_action( 'wp_footer', array( $this, 'infinite_scroll_script' ) );
add_action( 'parse_request', array( $this, 'infinite_scroll_process_request' ) );
add_filter( 'query_vars', array( $this, 'infinite_scroll_query_vars' ) );
}
// Register the infinite-scroll-batch query var
function infinite_scroll_query_vars( $vars ) {
$vars[] = 'infinite-scroll-batch';
return $vars;
}
// Decide whether or not this is an infinite scroll request and call do_infinite_scroll
function infinite_scroll_process_request( $wp ) {
if ( array_key_exists( 'infinite-scroll-batch', $wp->query_vars ) ) {
$this->is_infinite_scroll = true;
$this->batch_offset = $wp->query_vars['infinite-scroll-batch'];
$this->do_infinite_scroll();
}
}
// Add infinite scroll javascript handling to home page header
function infinite_scroll_script() {
if( is_home() && is_front_page() ) : ?>
<script type="text/javascript">
jQuery(document).ready(function($) {
$('.pagination').remove();
var offset=<?php echo $this->batch_offset; ?>;
var inProgress=false;
$(document).scroll( function() {
//calculate our offsets.
if(document.documentElement.clientHeight+$(document).scrollTop()>=document.body.offsetHeight-<?php echo $this->pixel_offset; ?>&&inProgress==false) {
inProgress=true;
$('#<?php echo $this->content_container; ?>').append( '<div class="loading-indicator"><img src="<?php bloginfo( 'template_url' ); ?>/images/loading.gif"></div>');
$.get( '<?php bloginfo( 'url' ); ?>/?infinite-scroll-batch='+offset,function(data) {
$('#<?php echo $this->content_container; ?>').append(data);_gaq.push(['_trackPageview','infinite-scroll-batch-'+offset]);offset=offset+<?php echo $this->batch_offset; ?>;
inProgress=false;
$('.loading-indicator').each(function(){$(this).hide();});
});
}
});
});
</script>
<?php endif;
}
// HTML code that is output during an infinite scroll request
function do_infinite_scroll() {
if( $this->is_infinite_scroll ) {
//offset of 4 to get past the first 4 posts. Done once only
if ( $this->firstrun ) {
$offset = $this->batch_offset + 4;
$this->firstrun = false;
} else {
$offset = $this->batch_offset;
}
$batch = new WP_Query( array(
'posts_per_page' => $this->posts_per_page,
'offset' => $offset,
'category__not_in' => $this->category_not_in,
'post__not_in' => lo_get_content_option( 'home_featured' )
));
$postindex = 1;
if ( $batch->have_posts() ): while ( $batch->have_posts() ): $batch->the_post();
global $post;
// If on the 4th post of the loop, display a larger image
if ( 4 == $postindex) { ?>
<article <?php post_class( 'post-'. $postindex .'' ); ?>>
<div class="left">
<a href="<?php the_permalink(); ?>">
<?php the_post_thumbnail( 'lo-medium' ); ?>
</a>
</div>
<div class="right">
<h3><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
<div class="meta">
<span class="date"><?php the_time( 'M j, Y' ); ?></span>
<span class="tags"><?php the_tags( '', ' , ', '' ); ?></span>
</div>
<p><?php lo_readwatch_more(); ?></p>
<div class="comment-count">
<a href="<?php the_permalink(); ?>#comments"><?php comments_number( '0 Comments', '1 Comment', '% Comments' ); ?></a>
</div>
</div>
</article><!-- .post -->
<?php
// Otherwise, loop through the posts normally
} else { ?>
<article <?php post_class( 'post-'. $postindex .'' ); ?>>
<div class="left">
<div class="video-overlay-home-loop-container">
<a href="<?php the_permalink(); ?>"><?php the_post_thumbnail( 'lo-thumb' ); ?></a>
<?php if ( in_category( 'video' ) ) : ?><a class="playIcon" href="<?php the_permalink(); ?>"><?php _e( 'Play', 'lossip' ); ?></a><?php endif; ?>
</div>
<div class="comment-count">
<a href="<?php the_permalink(); ?>#comments"><?php comments_number( '0 Comments', '1 Comment', '% Comments' ); ?></a>
</div>
</div>
<div class="right">
<h3><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
<div class="meta">
<span class="date"><?php the_time('M j, Y'); ?></span>
<span class="tags"><?php the_tags( '', ' , ', '' ); ?></span>
</div>
<?php lo_readwatch_more(); ?>
</div>
</article><!-- .post -->
<?php
// If on the 7th post in the loop, display Panorama Advertisement
} if ( 7 == $postindex && $code = lo_get_ad_option( 'home_panorama' ) ): ?>
<div class="panorama">
<?php echo $code; ?>
</div>
<?php endif; ?>
<?php $postindex++; endwhile; endif; wp_reset_postdata();
if ( get_option( 'advertising_enable_infinitescroll' ) == 'on' ) echo '<iframe style="margin-bottom:20px;" src="http://poweredby.moguldom.com/ads/pages/mmg-los-is.html" width="643" height="250" marginheight="0" marginwidth="0" frameborder="0" scrolling="no"></iframe>';
die();
}
}
}
$azwethinkweiz = new mmg_infinite_scroll();
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