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<?php
/**
* The file that defines the core plugin class
*
* A class definition that includes attributes and functions used across both the
* public-facing side of the site and the admin area.
*
* @link http://gavinr.com
* @since 1.0.0
*
* @package Inline_Footnotes
* @subpackage Inline_Footnotes/includes
*/
/**
* The core plugin class.
*
* This is used to define internationalization, admin-specific hooks, and
* public-facing site hooks.
*
* Also maintains the unique identifier of this plugin as well as the current
* version of the plugin.
*
* @since 1.0.0
* @package Inline_Footnotes
* @subpackage Inline_Footnotes/includes
* @author Gavin Rehkemper <[email protected]>
*/
class Inline_Footnotes {
public $footnotes = array();
public $footnoteCount = 0;
public $prevPost;
/**
* The loader that's responsible for maintaining and registering all hooks that power
* the plugin.
*
* @since 1.0.0
* @access protected
* @var Inline_Footnotes_Loader $loader Maintains and registers all hooks for the plugin.
*/
protected $loader;
/**
* The unique identifier of this plugin.
*
* @since 1.0.0
* @access protected
* @var string $plugin_name The string used to uniquely identify this plugin.
*/
protected $plugin_name;
/**
* The current version of the plugin.
*
* @since 1.0.0
* @access protected
* @var string $version The current version of the plugin.
*/
protected $version;
/**
* Define the core functionality of the plugin.
*
* Set the plugin name and the plugin version that can be used throughout the plugin.
* Load the dependencies, define the locale, and set the hooks for the admin area and
* the public-facing side of the site.
*
* @since 1.0.0
*/
public function __construct() {
$this->plugin_name = 'inline-footnotes';
$this->version = '1.0.0';
$this->load_dependencies();
$this->set_locale();
$this->define_admin_hooks();
$this->define_public_hooks();
}
/**
* Load the required dependencies for this plugin.
*
* Include the following files that make up the plugin:
*
* - Inline_Footnotes_Loader. Orchestrates the hooks of the plugin.
* - Inline_Footnotes_i18n. Defines internationalization functionality.
* - Inline_Footnotes_Admin. Defines all hooks for the admin area.
* - Inline_Footnotes_Public. Defines all hooks for the public side of the site.
*
* Create an instance of the loader which will be used to register the hooks
* with WordPress.
*
* @since 1.0.0
* @access private
*/
private function load_dependencies() {
/**
* The class responsible for orchestrating the actions and filters of the
* core plugin.
*/
require_once plugin_dir_path( dirname( __FILE__ ) ) . 'includes/class-inline-footnotes-loader.php';
/**
* The class responsible for defining internationalization functionality
* of the plugin.
*/
require_once plugin_dir_path( dirname( __FILE__ ) ) . 'includes/class-inline-footnotes-i18n.php';
/**
* The class responsible for defining all actions that occur in the admin area.
*/
require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/class-inline-footnotes-admin.php';
/**
* The class responsible for defining all actions that occur in the public-facing
* side of the site.
*/
require_once plugin_dir_path( dirname( __FILE__ ) ) . 'public/class-inline-footnotes-public.php';
$this->loader = new Inline_Footnotes_Loader();
}
/**
* Define the locale for this plugin for internationalization.
*
* Uses the Inline_Footnotes_i18n class in order to set the domain and to register the hook
* with WordPress.
*
* @since 1.0.0
* @access private
*/
private function set_locale() {
$plugin_i18n = new Inline_Footnotes_i18n();
$plugin_i18n->set_domain( $this->get_plugin_name() );
$this->loader->add_action( 'plugins_loaded', $plugin_i18n, 'load_plugin_textdomain' );
}
/**
* Register all of the hooks related to the admin area functionality
* of the plugin.
*
* @since 1.0.0
* @access private
*/
private function define_admin_hooks() {
$plugin_admin = new Inline_Footnotes_Admin( $this->get_plugin_name(), $this->get_version() );
$this->loader->add_action( 'admin_enqueue_scripts', $plugin_admin, 'enqueue_styles' );
$this->loader->add_action( 'admin_enqueue_scripts', $plugin_admin, 'enqueue_scripts' );
$this->loader->add_action( 'admin_menu', $plugin_admin, 'add_options_page' );
$this->loader->add_action( 'admin_init', $plugin_admin, 'register_setting' );
}
/**
* Register all of the hooks related to the public-facing functionality
* of the plugin.
*
* @since 1.0.0
* @access private
*/
private function define_public_hooks() {
$plugin_public = new Inline_Footnotes_Public( $this->get_plugin_name(), $this->get_version() );
$this->loader->add_action( 'wp_enqueue_scripts', $plugin_public, 'enqueue_styles' );
$this->loader->add_action( 'wp_enqueue_scripts', $plugin_public, 'enqueue_scripts' );
$this->loader->add_action( 'wp_head', $plugin_public, 'head_init' );
add_shortcode( 'footnote', array($this, 'easy_footnote_shortcode') );
}
public function easy_footnote_shortcode($atts, $content = null) {
$atts = shortcode_atts( array(
'title' => '',
'symbol_background_color' => '',
'symbol_text_color' => '',
'background_color' => '',
'text_color' => '',
), $atts, 'footnote' );
// if the shortcode 'title' attribute is passed, use that. otherwise use the number.
if ($atts['title'] != '') {
$title = $atts['title'];
} else {
$title = $this->footnoteCount + 1;
}
$symbol_background_color = $atts['symbol_background_color'];
$symbol_text_color = $atts['symbol_text_color'];
$background_color = $atts['background_color'];
$text_color = $atts['text_color'];
$this->inline_footnote_count($this->footnoteCount, get_the_ID());
$this->inline_footnote_content($content);
$footnoteLink = '#inline-footnote-bottom-'.$this->footnoteCount;
$contentNoHtml = strip_tags($content);
$symbolStyles = array();
if($symbol_background_color != '') {
$symbolStyles[] = "background-color:$symbol_background_color;";
}
if($symbol_text_color != '') {
$symbolStyles[] = "color:$symbol_text_color;";
}
$footnoteContent = "<span title='$contentNoHtml' class='inline-footnote' style='" . join('', $symbolStyles) . "'>$title";
$footnoteStyles = array();
if($background_color != '') {
$footnoteStyles[] = "background-color:$background_color;";
}
if($text_color != '') {
$footnoteStyles[] = "color:$text_color !important;";
}
$footnoteContent = $footnoteContent . "<span class='footnoteContent' style='display:none;" . join('', $footnoteStyles) . "'>$content</span></span>";
return $footnoteContent;
}
public function inline_footnote_content($content) {
$this->footnotes[$this->footnoteCount] = $content;
return $this->footnotes;
}
public function inline_footnote_count($count, $currentPost) {
if ($this->prevPost != $currentPost) {
$count = 0;
}
$this->prevPost = $currentPost;
$count++;
$this->footnoteCount = $count;
return $this->footnoteCount;
}
/**
* Run the loader to execute all of the hooks with WordPress.
*
* @since 1.0.0
*/
public function run() {
$this->loader->run();
}
/**
* The name of the plugin used to uniquely identify it within the context of
* WordPress and to define internationalization functionality.
*
* @since 1.0.0
* @return string The name of the plugin.
*/
public function get_plugin_name() {
return $this->plugin_name;
}
/**
* The reference to the class that orchestrates the hooks with the plugin.
*
* @since 1.0.0
* @return Inline_Footnotes_Loader Orchestrates the hooks of the plugin.
*/
public function get_loader() {
return $this->loader;
}
/**
* Retrieve the version number of the plugin.
*
* @since 1.0.0
* @return string The version number of the plugin.
*/
public function get_version() {
return $this->version;
}
}