easy-footnotes / easy-footnotes.php

easy-footnotes.php in Easy Footnotes 1.0.12, at easy-footnotes.php

156 lines 5.5 KB

Raw Download Zip

1	<?php
2	/**
3	* Plugin Name: Easy Footnotes
4	* Plugin URI: http://jasonyingling.me/easy-footnotes-wordpress/
5	* Description: Easily add footnotes to your posts with a simple shortcode.
6	* Version: 1.0.12
7	* Author: Jason Yingling
8	* Author URI: http://jasonyingling.me
9	* License: GPL2
10	*/
11
12	/* Copyright 2017 Jason Yingling (email : yingling017@gmail.com)
13
14	This program is free software; you can redistribute it and/or modify
15	it under the terms of the GNU General Public License, version 2, as
16	published by the Free Software Foundation.
17
18	This program is distributed in the hope that it will be useful,
19	but WITHOUT ANY WARRANTY; without even the implied warranty of
20	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21	GNU General Public License for more details.
22
23	You should have received a copy of the GNU General Public License
24	along with this program; if not, write to the Free Software
25	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26	*/
27
28	class easyFootnotes {
29
30	// Add label option using add_option if it does not already exist
31	public $footnotes = array();
32	public $footnoteCount = 0;
33	public $prevPost;
34
35	public function __construct() {
36	$footnoteSettings = array(
37	'footnoteLabel' => 'Footnotes',
38	'useLabel' => false,
39	);
40
41	add_option('easy_footnotes_options', $footnoteSettings);
42	add_shortcode( 'note', array($this, 'easy_footnote_shortcode') );
43	add_filter('the_content', array($this, 'easy_footnote_after_content'), 20);
44	add_action('wp_enqueue_scripts', array($this, 'register_qtip_scripts'));
45	add_action('admin_menu', array($this, 'easy_footnotes_admin_actions'));
46	}
47
48	public function register_qtip_scripts() {
49	wp_register_script( 'imagesloaded', plugins_url( '/assets/qtip/imagesloaded.pkgd.min.js' , __FILE__ ), null, false, true );
50	wp_register_script( 'qtip', plugins_url( '/assets/qtip/jquery.qtip.min.js' , __FILE__ ), array('jquery', 'imagesloaded'), false, true );
51	wp_register_script( 'qtipcall', plugins_url( '/assets/qtip/jquery.qtipcall.js' , __FILE__ ), array('jquery', 'qtip'), false, true );
52	wp_register_style( 'qtipstyles', plugins_url( '/assets/qtip/jquery.qtip.min.css' , __FILE__ ), null, false, false );
53	wp_register_style( 'easyfootnotescss', plugins_url( '/assets/easy-footnotes.css' , __FILE__ ), null, false, false );
54	}
55
56	public function easy_footnote_shortcode($atts, $content = null) {
57	wp_enqueue_style( 'qtipstyles' );
58	wp_enqueue_style( 'easyfootnotescss' );
59	wp_enqueue_script( 'imagesloaded' );
60	wp_enqueue_script( 'qtip' );
61	wp_enqueue_script( 'qtipcall' );
62	wp_enqueue_style( 'dashicons' );
63
64	extract (shortcode_atts(array(
65	), $atts));
66
67	// Get an array of all of the footnotes
68	$pattern = '/\[note\](.*?)\[\/note\]/';
69	preg_match_all( $pattern, get_the_content(get_the_ID()), $shortcodes );
70
71	// If the current content matches the first [note] set the count to 0. This prevents extra counting by themes using the_content
72	if ( $content === $shortcodes[1][0] ) {
73	$count = 0;
74	} else {
75	$count = $this->footnoteCount;
76	}
77
78	// Increment the counter
79	$count++;
80
81	// Set the footnoteCount (This whole process needs reworked)
82	$this->footnoteCount = $count;
83
84	//$this->easy_footnote_count($this->footnoteCount, get_the_ID());
85	$this->easy_footnote_content($content);
86
87	if (is_singular() && is_main_query()) {
88	$footnoteLink = '#easy-footnote-bottom-'.$this->footnoteCount;
89	} else {
90	$footnoteLink = get_permalink(get_the_ID()).'#easy-footnote-bottom-'.$this->footnoteCount;
91	}
92
93	$footnoteContent = "<span id='easy-footnote-".esc_attr($this->footnoteCount)."' 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>";
94
95	return $footnoteContent;
96	}
97
98	public function easy_footnote_content($content) {
99	$this->footnotes[$this->footnoteCount] = $content;
100
101	return $this->footnotes;
102	}
103
104	public function easy_footnote_count($count, $currentPost) {
105	if ($this->prevPost != $currentPost) {
106	$count = 0;
107	}
108
109	$this->prevPost = $currentPost;
110
111	$count++;
112
113	$this->footnoteCount = $count;
114
115	return $this->footnoteCount;
116	}
117
118	public function easy_footnote_after_content($content) {
119	if (is_singular() && is_main_query()) {
120	$footnotesInsert = $this->footnotes;
121
122	$footnoteCopy = '';
123
124	$footnoteOptions = get_option('easy_footnotes_options');
125	$useLabel = $footnoteOptions['useLabel'];
126	$efLabel = $footnoteOptions['footnoteLabel'];
127
128	foreach ($footnotesInsert as $count => $footnote) {
129	$footnoteCopy .= '<li class="easy-footnote-single"><span id="easy-footnote-bottom-'.esc_attr($count).'" class="easy-footnote-margin-adjust"></span>'.wp_kses_post($footnote).'<a class="easy-footnote-to-top" href="'.esc_url('#easy-footnote-'.$count).'"></a></li>';
130	}
131	if (!empty($footnotesInsert)) {
132	if ($useLabel === true) {
133	$content .= '<div class="easy-footnote-title"><h4>'.esc_html($efLabel).'</h4></div><ol class="easy-footnotes-wrapper">'.$footnoteCopy.'</ol>';
134	} else {
135	$content .= '<ol class="easy-footnotes-wrapper">'.$footnoteCopy.'</ol>';
136	}
137	}
138
139
140	}
141	return $content;
142	}
143
144	// Functions to create Reading Time admin pages
145	public function easy_footnotes_admin() {
146	include('easy-footnotes-admin.php');
147	}
148
149	public function easy_footnotes_admin_actions() {
150	add_options_page("Easy Footnotes Settings", "Easy Footnotes", "manage_options", "easy-footnotes-settings", array($this, "easy_footnotes_admin"));
151	}
152
153	}
154
155	$easyFootnotes = new easyFootnotes();
156