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Commit 26871f48 authored by Erick Hitter's avatar Erick Hitter
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Scaffold Gutenberg support 

Also replaces a `continue` with what was likely meant to be a `break`, which
hopefully will fix #10 and #11.
parent 87475b2c
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1 merge request!5Add block-editor support
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automatically-paginate-posts.php
+ 140
− 94
View file @ 26871f48
......@@ -467,111 +467,157 @@ class Automatically_Paginate_Posts {
public function filter_the_posts( $posts ) {
if ( ! is_admin() ) {
foreach ( $posts as $the_post ) {
if ( in_array( $the_post->post_type, $this->post_types ) && ! preg_match( '#<!--nextpage-->#i', $the_post->post_content ) && ! (bool) get_post_meta( $the_post->ID, $this->meta_key_disable_autopaging, true ) ) {
// In-time filtering of number of pages to break over, based on post data. If value is less than 2, nothing should be done.
$num_pages = absint( apply_filters( 'autopaging_num_pages', absint( $this->num_pages ), $the_post ) );
$num_words = absint( apply_filters( 'autopaging_num_words', absint( $this->num_words ), $the_post ) );
if (
! in_array(
$the_post->post_type,
$this->post_types,
true
)
) {
continue;
}
if ( $num_pages < 2 && empty( $num_words ) ) {
continue;
}
if (
preg_match(
'#<!--nextpage-->#i',
$the_post->post_content
)
) {
continue;
}
if (
(bool) get_post_meta(
$the_post->ID,
$this->meta_key_disable_autopaging,
true
)
) {
continue;
}
if (
function_exists( 'has_blocks' )
&& has_blocks( $the_post )
) {
$this->filter_block_editor_post( $the_post );
} else {
$this->filter_classic_editor_post( $the_post );
}
}
}
return $posts;
}
/**
* Add pagination Quicktag to post authored in the Classic Editor.
*
* @param WP_Post|object $the_post Post object.
* @return void
*/
protected function filter_classic_editor_post( &$the_post ) {
// In-time filtering of number of pages to break over, based on post data. If value is less than 2, nothing should be done.
$num_pages = absint( apply_filters( 'autopaging_num_pages', absint( $this->num_pages ), $the_post ) );
$num_words = absint( apply_filters( 'autopaging_num_words', absint( $this->num_words ), $the_post ) );
if ( $num_pages < 2 && empty( $num_words ) ) {
return;
}
// Start with post content, but alias to protect the raw content.
$content = $the_post->post_content;
// Normalize post content to simplify paragraph counting and automatic paging. Accounts for content that hasn't been cleaned up by TinyMCE.
$content = preg_replace( '#<p>(.+?)</p>#i', "$1\r\n\r\n", $content );
$content = preg_replace( '#<br(\s*/)?>#i', "\r\n", $content );
// Count paragraphs.
$count = preg_match_all( '#\r\n\r\n#', $content );
// Keep going, if we have something to count.
if ( is_int( $count ) && 0 < $count ) {
// Explode content at double (or more) line breaks.
$content = explode( "\r\n\r\n", $content );
// Start with post content, but alias to protect the raw content.
$content = $the_post->post_content;
// Normalize post content to simplify paragraph counting and automatic paging. Accounts for content that hasn't been cleaned up by TinyMCE.
$content = preg_replace( '#<p>(.+?)</p>#i', "$1\r\n\r\n", $content );
$content = preg_replace( '#<br(\s*/)?>#i', "\r\n", $content );
// Count paragraphs.
$count = preg_match_all( '#\r\n\r\n#', $content, $matches );
// Keep going, if we have something to count.
if ( is_int( $count ) && 0 < $count ) {
// Explode content at double (or more) line breaks.
$content = explode( "\r\n\r\n", $content );
switch ( get_option( $this->option_name_paging_type, $this->paging_type_default ) ) {
case 'words':
$word_counter = 0;
// Count words per paragraph and break after the paragraph that exceeds the set threshold.
foreach ( $content as $index => $paragraph ) {
$paragraph_words = count( preg_split( '/\s+/', strip_tags( $paragraph ) ) );
$word_counter += $paragraph_words;
if ( $word_counter >= $num_words ) {
$content[ $index ] .= '<!--nextpage-->';
$word_counter = 0;
} else {
continue;
}
}
unset( $word_counter );
unset( $index );
unset( $paragraph );
unset( $paragraph_words );
break;
case 'pages':
default:
// Count number of paragraphs content was exploded to.
$count = count( $content );
// Determine when to insert Quicktag.
$insert_every = $count / $num_pages;
$insert_every_rounded = round( $insert_every );
// If number of pages is greater than number of paragraphs, put each paragraph on its own page.
if ( $num_pages > $count ) {
$insert_every_rounded = 1;
}
// Set initial counter position.
$i = $count - 1 == $num_pages ? 2 : 1;
// Loop through content pieces and append Quicktag as is appropriate.
foreach ( $content as $key => $value ) {
if ( $key + 1 == $count ) {
break;
}
if ( ( $key + 1 ) == ( $i * $insert_every_rounded ) ) {
$content[ $key ] = $content[ $key ] . '<!--nextpage-->';
$i++;
}
}
// Clean up.
unset( $count );
unset( $insert_every );
unset( $insert_every_rounded );
unset( $key );
unset( $value );
break;
switch ( get_option( $this->option_name_paging_type, $this->paging_type_default ) ) {
case 'words':
$word_counter = 0;
// Count words per paragraph and break after the paragraph that exceeds the set threshold.
foreach ( $content as $index => $paragraph ) {
$paragraph_words = count( preg_split( '/\s+/', strip_tags( $paragraph ) ) );
$word_counter += $paragraph_words;
if ( $word_counter >= $num_words ) {
$content[ $index ] .= '<!--nextpage-->';
$word_counter = 0;
} else {
break;
}
}
unset( $word_counter );
unset( $index );
unset( $paragraph );
unset( $paragraph_words );
break;
case 'pages':
default:
// Count number of paragraphs content was exploded to.
$count = count( $content );
// Reunite content.
$content = implode( "\r\n\r\n", $content );
// Determine when to insert Quicktag.
$insert_every = $count / $num_pages;
$insert_every_rounded = round( $insert_every );
// And, overwrite the original content.
$the_post->post_content = $content;
// If number of pages is greater than number of paragraphs, put each paragraph on its own page.
if ( $num_pages > $count ) {
$insert_every_rounded = 1;
}
// Set initial counter position.
$i = $count - 1 == $num_pages ? 2 : 1;
// Loop through content pieces and append Quicktag as is appropriate.
foreach ( $content as $key => $value ) {
if ( $key + 1 == $count ) {
break;
}
if ( ( $key + 1 ) == ( $i * $insert_every_rounded ) ) {
$content[ $key ] = $content[ $key ] . '<!--nextpage-->';
$i++;
}
}
// Lastly, clean up.
unset( $num_pages );
unset( $num_words );
unset( $content );
// Clean up.
unset( $count );
}
unset( $insert_every );
unset( $insert_every_rounded );
unset( $key );
unset( $value );
break;
}
}
return $posts;
// Reunite content.
$content = implode( "\r\n\r\n", $content );
// And, overwrite the original content.
$the_post->post_content = $content;
}
}
/**
* Add pagination block to post authored in the Block Editor.
*
* @param WP_Post $the_post Post object.
* @return void
*/
protected function filter_block_editor_post( &$the_post ) {}
}
new Automatically_Paginate_Posts();
......
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