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Automatically Paginate Posts
Commit f96afe53 authored by Ben Doherty's avatar Ben Doherty
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0.2 pull request - Add ability to break by Word Count instead of just 

specifying page count
parent b842db78
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Showing with 101 additions and 11 deletions
automatically-paginate-posts.php
View file @ f96afe53
<?php
/*
Plugin Name: Automatically Paginate Posts
Plugin URI: http://www.thinkoomph.com/plugins-modules/automatically-paginate-posts/
Plugin URI: http://www.oomphinc.com/plugins-modules/automatically-paginate-posts/
Description: Automatically inserts the &lt;!--nextpage--&gt; Quicktag into WordPress posts, pages, or custom post type content.
Version: 0.1
Version: 0.2
Author: Erick Hitter & Oomph, Inc.
Author URI: http://www.thinkoomph.com/
Author URI: http://www.oomphinc.com/
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
......@@ -31,10 +31,12 @@ class Automatically_Paginate_Posts {
private $num_pages;
private $num_pages_default = 2;
private $num_words_default = '';
//Ensure option names match values in this::uninstall
private $option_name_post_types = 'autopaging_post_types';
private $option_name_num_pages = 'autopaging_num_pages';
private $option_name_num_words = 'autopaging_num_words';
private $meta_key_disable_autopaging = '_disable_autopaging';
......@@ -74,7 +76,12 @@ class Automatically_Paginate_Posts {
//Number of pages to break over
$this->num_pages = absint( apply_filters( 'autopaging_num_pages_default', get_option( $this->option_name_num_pages, $this->num_pages_default ) ) );
if ( 0 == $this->num_pages )
$this->num_pages = 2;
$this->num_pages = $this->num_pages_default;
//Number of words to break over
$this->num_words = absint( apply_filters( 'autopaging_num_words_default', get_option( $this->option_name_num_words, $this->num_words_default ) ) );
if ( 0 == $this->num_words )
$this->num_words = $this->num_words_default;
}
/**
......@@ -88,6 +95,7 @@ class Automatically_Paginate_Posts {
public function uninstall() {
delete_option( 'autopaging_post_types' );
delete_option( 'autopaging_num_pages' );
delete_option( 'autopaging_num_words' );
}
/**
......@@ -115,10 +123,12 @@ class Automatically_Paginate_Posts {
public function action_admin_init() {
register_setting( 'reading', $this->option_name_post_types, array( $this, 'sanitize_supported_post_types' ) );
register_setting( 'reading', $this->option_name_num_pages, array( $this, 'sanitize_num_pages' ) );
register_setting( 'reading', $this->option_name_num_words, array( $this, 'sanitize_num_words' ) );
add_settings_section( 'autopaging', __( 'Automatically Paginate Posts', 'autopaging' ), '__return_false', 'reading' );
add_settings_field( 'autopaging-post-types', __( 'Supported post types:', 'autopaging' ), array( $this, 'settings_field_post_types' ), 'reading', 'autopaging' );
add_settings_field( 'autopaging-num-pages', __( 'Number of pages to split content into:', 'autopaging' ), array( $this, 'settings_field_num_pages' ), 'reading', 'autopaging' );
add_settings_field( 'autopaging-num-words', __( 'Number of words for each page:', 'autopaging' ), array( $this, 'settings_field_num_words' ), 'reading', 'autopaging' );
}
/**
......@@ -142,7 +152,7 @@ class Automatically_Paginate_Posts {
//Output checkboxes
foreach ( $post_types as $post_type => $atts ) :
?>
<input type="checkbox" name="<?php echo esc_attr( $this->option_name_post_types ); ?>[]" id="post-type-<?php echo esc_attr( $post_type ); ?>" value="<?php echo esc_attr( $post_type ); ?>"<?php checked( in_array( $post_type, $current_types ) ); ?> /> <label for="post-type-<?php echo esc_attr( $post_type ); ?>"><?php echo esc_html( $atts->label ); ?><br />
<input type="checkbox" name="<?php echo esc_attr( $this->option_name_post_types ); ?>[]" id="post-type-<?php echo esc_attr( $post_type ); ?>" value="<?php echo esc_attr( $post_type ); ?>"<?php checked( in_array( $post_type, $current_types ) ); ?> /> <label for="post-type-<?php echo esc_attr( $post_type ); ?>"><?php echo esc_html( $atts->label ); ?></label><br />
<?php
endforeach;
}
......@@ -207,6 +217,37 @@ class Automatically_Paginate_Posts {
return max( 2, min( intval( $num_pages ), apply_filters( 'autopaging_max_num_pages', 10 ) ) );
}
/**
* Render dropdown for choosing number of pages to break content over
*
* @uses get_option, apply_filters, esc_attr, selected
* @return string
*/
public function settings_field_num_words() {
$num_words = apply_filters( 'autopaging_num_words', get_option( $this->option_name_num_words ) )
?>
<input name="<?php echo esc_attr( $this->option_name_num_words ); ?>" value="<?php echo esc_attr( $num_words ); ?>" size="4" />
<p class="description">If set, each page will contain approximately this many words, more or less depending on paragraph lengths, and Number of pages will be ignored.</p>
<?php
}
/**
* Sanitize number of words input. No fewer than 10 (by default, filterable by autopaging_min_num_words)
*
* @param int $numwords
* @uses apply_filters
* @return int
*/
public function sanitize_num_words( $num_words ) {
$num_words = apply_filters( 'autopaging_num_words', $num_words );
if( empty( $num_words ) )
return '';
return max( 1, (int) $num_words );
}
/**
* Add autopaging metabox
*
......@@ -275,8 +316,9 @@ class Automatically_Paginate_Posts {
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 ( $num_pages < 2 )
if ( $num_pages < 2 && empty( $num_words ) )
continue;
//Start with post content, but alias to protect the raw content.
......@@ -291,9 +333,51 @@ class Automatically_Paginate_Posts {
//Keep going, if we have something to count.
if ( is_int( $count ) && 0 < $count ) {
//Explode content at double line breaks
//Explode content at double (or more) line breaks
$content = explode( "\r\n\r\n", $content );
//Aggregate paragraphs
if( !empty( $num_words ) ) {
$word_counter = 0;
//Aggregate num_words paged content here
$aggregate = array();
$aggregate_index = 0;
//Collapse together paragraph according to number of words per page
foreach( $content as $index => $paragraph ) {
$paragraph_words = count( preg_split( '/\s+/', strip_tags( $paragraph ) ) );
if( $word_counter + $paragraph_words / 2 >= $num_words ) {
$aggregate_index++;
$word_counter = 0;
}
if( !isset( $aggregate[$aggregate_index] ) )
$aggregate[$aggregate_index] = '';
$aggregate[$aggregate_index] .= $paragraph . "\r\n\r\n";
$word_counter += $paragraph_words;
if( $word_counter > $num_words ) {
$aggregate_index++;
$word_counter = 0;
}
}
//Pretend the aggregated paragraphs based on max_words
//are the original set
$content = $aggregate;
//Override num_pages
$num_pages = count( $content );
unset( $word_counter );
unset( $aggregate );
unset( $aggregate_index );
}
//Count number of paragraphs content was exploded to
$count = count( $content );
......@@ -345,4 +429,4 @@ class Automatically_Paginate_Posts {
}
}
new Automatically_Paginate_Posts;
?>
\ No newline at end of file
?>
readme.txt
View file @ f96afe53
=== Automatically Paginate Posts ===
Contributors: ethitter, thinkoomph
Contributors: ethitter, thinkoomph, bendoh
Donate link:
Tags: paginate, nextpage, Quicktag
Requires at least: 3.4
......@@ -16,7 +16,7 @@ Automatically paginate WordPress content by inserting the &lt;!--nextpage--&gt;
Option is provided to control what post types are automatically paginated (default is just `post`). Supports `post`, `page`, and any public custom post types.
Option is also provided to specify how many pages content should be broken out over.
Option is also provided to specify how many pages content should be broken out over, or how many words should be included per page.
== Installation ==
......@@ -48,7 +48,13 @@ You can also use the filter `autopaging_post_types` to add support by appending
= 0.1 =
* Initial release.
= 0.2 =
* Allow for number of words to be specified instead of number of pages.
== Upgrade Notice ==
= 0.1 =
Initial release
\ No newline at end of file
Initial release
= 0.2 =
* Allow for number of words to be specified instead of number of pages.
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