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<?php |
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/** |
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* Plugin Name: Easy Footnotes |
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* Plugin URI: https://jasonyingling.me/easy-footnotes-wordpress/ |
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* Description: Easily add footnotes to your posts with a simple shortcode. |
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* Version: 1.0.16 |
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* Author: Jason Yingling |
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* Author URI: https://jasonyingling.me |
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* License: GPL2 |
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*/ |
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|
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/* Copyright 2018 Jason Yingling (email : yingling017@gmail.com) |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License, version 2, as |
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published by the Free Software Foundation. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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class easyFootnotes { |
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|
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// Add label option using add_option if it does not already exist |
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public $footnotes = array(); |
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public $footnoteCount = 0; |
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public $prevPost; |
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|
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public function __construct() { |
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$footnoteSettings = array( |
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'footnoteLabel' => 'Footnotes', |
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'useLabel' => false, |
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'hide_easy_footnote_after_posts' => false |
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); |
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|
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add_option('easy_footnotes_options', $footnoteSettings); |
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add_shortcode( 'note', array($this, 'easy_footnote_shortcode') ); |
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add_filter('the_content', array($this, 'easy_footnote_after_content'), 20); |
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add_filter('the_content', array($this, 'easy_footnote_reset'), 999); |
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add_action('wp_enqueue_scripts', array($this, 'register_qtip_scripts')); |
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add_action('admin_menu', array($this, 'easy_footnotes_admin_actions')); |
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add_action( 'admin_enqueue_scripts', array($this, 'easy_footnotes_admin_scripts') ); |
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} |
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|
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public function register_qtip_scripts() { |
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wp_register_script( 'imagesloaded', plugins_url( '/assets/qtip/imagesloaded.pkgd.min.js' , __FILE__ ), null, false, true ); |
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wp_register_script( 'qtip', plugins_url( '/assets/qtip/jquery.qtip.min.js' , __FILE__ ), array('jquery', 'imagesloaded'), false, true ); |
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wp_register_script( 'qtipcall', plugins_url( '/assets/qtip/jquery.qtipcall.js' , __FILE__ ), array('jquery', 'qtip'), false, true ); |
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wp_register_style( 'qtipstyles', plugins_url( '/assets/qtip/jquery.qtip.min.css' , __FILE__ ), null, false, false ); |
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wp_register_style( 'easyfootnotescss', plugins_url( '/assets/easy-footnotes.css' , __FILE__ ), null, false, false ); |
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} |
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|
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public function easy_footnote_shortcode($atts, $content = null) { |
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wp_enqueue_style( 'qtipstyles' ); |
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wp_enqueue_style( 'easyfootnotescss' ); |
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wp_enqueue_script( 'imagesloaded' ); |
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wp_enqueue_script( 'qtip' ); |
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wp_enqueue_script( 'qtipcall' ); |
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wp_enqueue_style( 'dashicons' ); |
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|
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extract (shortcode_atts(array( |
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), $atts)); |
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|
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$post_id = get_the_ID(); |
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|
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$content = do_shortcode($content); |
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|
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$count = $this->footnoteCount; |
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|
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// Increment the counter |
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$count++; |
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|
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// Set the footnoteCount (This whole process needs reworked) |
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$this->footnoteCount = $count; |
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|
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//$this->easy_footnote_count($this->footnoteCount, get_the_ID()); |
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$this->easy_footnote_content($content); |
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|
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if (is_singular() && is_main_query()) { |
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$footnoteLink = '#easy-footnote-bottom-'.$this->footnoteCount.'-'.$post_id;; |
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} else { |
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$footnoteLink = get_permalink(get_the_ID()).'#easy-footnote-bottom-'.$this->footnoteCount.'-'.$post_id; |
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} |
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|
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$footnoteContent = "<span id='easy-footnote-".esc_attr($this->footnoteCount).'-'.$post_id."' class='easy-footnote-margin-adjust'></span><span class='easy-footnote'><a href='".esc_url($footnoteLink)."' title='".htmlspecialchars($content, ENT_QUOTES)."'><sup>".esc_html($this->footnoteCount)."</sup></a></span>"; |
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|
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return $footnoteContent; |
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} |
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|
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public function easy_footnote_content($content) { |
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$this->footnotes[$this->footnoteCount] = $content; |
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|
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return $this->footnotes; |
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} |
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|
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public function easy_footnote_count($count, $currentPost) { |
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if ($this->prevPost != $currentPost) { |
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$count = 0; |
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} |
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|
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$this->prevPost = $currentPost; |
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|
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$count++; |
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|
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$this->footnoteCount = $count; |
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|
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return $this->footnoteCount; |
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} |
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|
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public function easy_footnote_after_content($content) { |
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|
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$footnoteOptions = get_option('easy_footnotes_options'); |
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|
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if ( isset($footnoteOptions['hide_easy_footnote_after_posts']) && $footnoteOptions['hide_easy_footnote_after_posts'] ) { |
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return $content; |
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} |
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|
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if (is_singular() && is_main_query()) { |
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$footnotesInsert = $this->footnotes; |
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|
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$footnoteCopy = ''; |
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|
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$useLabel = $footnoteOptions['useLabel']; |
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$efLabel = $footnoteOptions['footnoteLabel']; |
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|
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$post_id = get_the_ID(); |
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|
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foreach ($footnotesInsert as $count => $footnote) { |
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$footnoteCopy .= '<li class="easy-footnote-single"><span id="easy-footnote-bottom-'.esc_attr($count).'-'.$post_id.'" class="easy-footnote-margin-adjust"></span>'.wp_kses_post($footnote).'<a class="easy-footnote-to-top" href="'.esc_url('#easy-footnote-'.$count.'-'.$post_id).'"></a></li>'; |
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} |
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if (!empty($footnotesInsert)) { |
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if ($useLabel === true) { |
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$content .= '<div class="easy-footnote-title"><h4>'.esc_html($efLabel).'</h4></div><ol class="easy-footnotes-wrapper">'.$footnoteCopy.'</ol>'; |
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} else { |
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$content .= '<ol class="easy-footnotes-wrapper">'.$footnoteCopy.'</ol>'; |
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} |
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} |
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|
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} |
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|
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return $content; |
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} |
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|
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/** |
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* Reset the footnote count and footnote array each time the_content has been run. |
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*/ |
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public function easy_footnote_reset($content) { |
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$this->footnoteCount = 0; |
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|
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$this->footnotes = array(); |
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|
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return $content; |
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} |
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|
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// Functions to create Reading Time admin pages |
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public function easy_footnotes_admin() { |
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include('easy-footnotes-admin.php'); |
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} |
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|
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public function easy_footnotes_admin_actions() { |
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add_options_page("Easy Footnotes Settings", "Easy Footnotes", "manage_options", "easy-footnotes-settings", array($this, "easy_footnotes_admin")); |
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} |
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|
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public function easy_footnotes_admin_scripts() { |
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wp_enqueue_style( 'easy-footnotes-admin-styles', plugins_url( '/assets/easy-footnotes-admin.css' , __FILE__ ), '', '1.0.13' ); |
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} |
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|
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} |
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|
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$easyFootnotes = new easyFootnotes(); |
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|
