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footnotes/class/init.php

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<?php // phpcs:disable WordPress.Files.FileName.InvalidClassFileName
/**
* Includes the main Class of the Plugin.
*
* @filesource
* @package footnotes
* @since 1.5.0
* @date 12.09.14 10:56
*
* @since 1.6.5 Bugfix: Improve widgets registration, thanks to @felipelavinz code contribution.
* @since 1.6.5 Update: Fix for deprecated PHP function create_function(), thanks to @psykonevro @daliasued bug reports, thanks to @felipelavinz code contribution.
* @since 2.0.0 Update: Tooltips: fix disabling bug by loading jQuery UI library, thanks to @rajinderverma @ericcorbett2 @honlapdavid @mmallett bug reports, thanks to @vonpiernik code contribution.
*
* @since 2.0.3 add versioning of public.css for cache busting 2020-10-29T1413+0100
* @since 2.0.4 add jQuery UI from WordPress 2020-11-01T1902+0100
* @since 2.1.4 automate passing version number for cache busting 2020-11-30T0646+0100
* @since 2.1.4 optionally enqueue an extra stylesheet 2020-12-04T2231+0100
*
* @since 2.5.5 Update: Stylesheets: increase speed and energy efficiency by tailoring stylesheets to the needs of the instance, thanks to @docteurfitness design contribution.
* @since 2.5.5 Bugfix: Stylesheets: minify to shrink the carbon footprint, increase speed and implement best practice, thanks to @docteurfitness issue report.
* @since 2.5.5 Bugfix: Libraries: optimize processes by loading external and internal scripts only if needed, thanks to @docteurfitness issue report.
* @since 2.5.6 Bugfix: Reference container: optional alternative expanding and collapsing without jQuery for use with hard links, thanks to @hopper87it @pkverma99 issue reports.
*/
/**
* Entry point of the Plugin. Loads the Dashboard and executes the Task.
*
* @since 1.5.0
*/
class MCI_Footnotes {
/**
* Reference to the Plugin Task object.
*
* @since 1.5.0
* @var null|MCI_Footnotes_Task
*/
public $a_obj_task = null;
/**
* Allows to determine whether tooltips are enabled.
* The actual value of these properties is configurable.
*
* - Bugfix: Templates: optimize template load and processing based on settings, thanks to @misfist code contribution.
*
* @since 2.4.0
* @date 2021-01-04T1355+0100
*
* @contributor Patrizia Lutz @misfist
* @link https://wordpress.org/support/topic/template-override-filter/#post-13864301
* @link https://github.com/misfist/footnotes/releases/tag/2.4.0d3 repository
* @link https://github.com/misfist/footnotes/compare/2.4.0%E2%80%A62.4.0d3 diff
*
* @var bool
*
* Template process and script / stylesheet load optimization.
* Streamline process depending on tooltip enabled status.
* Load tooltip inline script only if jQuery tooltips are enabled.
*/
public static $a_bool_tooltips_enabled = false;
/**
* Allows to determine whether alternative tooltips are enabled.
*
* - Bugfix: Tooltips: optional alternative JS implementation with CSS transitions to fix configuration-related outage, thanks to @andreasra feedback.
*
* @since 2.1.1
*
* @reporter @andreasra
* @link https://wordpress.org/support/topic/footnotes-appearing-in-header/page/2/#post-13632566
*
* @since 2.4.0
* @contributor Patrizia Lutz @misfist
* @var bool
*
*/
public static $a_bool_alternative_tooltips_enabled = false;
/**
* Allows to determine whether AMP compatibility mode is enabled.
*
* - Adding: Tooltips: make display work purely by style rules for AMP compatibility, thanks to @milindmore22 code contribution.
* - Bugfix: Tooltips: enable accessibility by keyboard navigation, thanks to @westonruter code contribution.
* - Adding: Reference container: get expanding and collapsing to work also in AMP compatibility mode, thanks to @westonruter code contribution.
*
* @since 2.5.11 (draft)
*
* @contributor @milindmore22
* @link @link https://github.com/ampproject/amp-wp/issues/5913#issuecomment-785306933
*
* @contributor @westonruter
* @link https://github.com/ampproject/amp-wp/issues/5913#issuecomment-785419655
* @link https://github.com/markcheret/footnotes/issues/48#issuecomment-799580854
* @link https://github.com/markcheret/footnotes/issues/48#issuecomment-799582394
*
* @var bool
*/
public static $a_bool_amp_enabled = false;
/**
* Allows to determine the script mode among jQuery or plain JS.
*
* - Bugfix: Reference container: optional alternative expanding and collapsing without jQuery for use with hard links, thanks to @hopper87it @pkverma99 issue reports.
*
* @since 2.5.6
*
* @reporter @hopper87it
* @link https://wordpress.org/support/topic/footnotes-wp-rocket/
*
* @reporter @pkverma99
* @link https://wordpress.org/support/topic/footnotes-wp-rocket/#post-14076188
*
* @var str 'js' Plain JavaScript.
* 'jquery' Use jQuery libraries.
*/
public static $a_str_script_mode = 'js';
/**
* Executes the Plugin.
*
* @since 1.5.0
*
* - Bugfix: Improve widgets registration, thanks to @felipelavinz code contribution.
*
* @since 1.6.5
*
* @contributor @felipelavinz
* @link https://github.com/benleyjyc/footnotes/commit/87173d2980c7ff90e12ffee94ca7153e11163793
* @date 2020-02-25
* @link https://github.com/media-competence-institute/footnotes/commit/87173d2980c7ff90e12ffee94ca7153e11163793
*
* @see self::initialize_widgets()
*/
public function run() {
// Register language.
MCI_Footnotes_Language::register_hooks();
// Register Button hooks.
MCI_Footnotes_WYSIWYG::register_hooks();
// Register general hooks.
MCI_Footnotes_Hooks::register_hooks();
// Initialize the Plugin Dashboard.
$this->initialize_dashboard();
// Initialize the Plugin Task.
$this->initialize_task();
// Register all Public Stylesheets and Scripts.
add_action( 'init', array( $this, 'register_public' ) );
// Enqueue all Public Stylesheets and Scripts.
add_action( 'wp_enqueue_scripts', array( $this, 'register_public' ) );
// Register all Widgets of the Plugin..
add_action( 'widgets_init', array( $this, 'initialize_widgets' ) );
}
/**
* Initializes all Widgets of the Plugin.
*
* @since 1.5.0
*
* - Update: Fix for deprecated PHP function create_function(), thanks to @psykonevro @daliasued bug reports, thanks to @felipelavinz code contribution
*
* @since 1.6.5
*
* @contributor @felipelavinz
* @link https://github.com/media-competence-institute/footnotes/commit/87173d2980c7ff90e12ffee94ca7153e11163793
*
* @reporter @psykonevro
* @link https://wordpress.org/support/topic/bug-function-create_function-is-deprecated/
* @link https://wordpress.org/support/topic/deprecated-function-create_function-14/
*
* @reporter @daliasued
* @link https://wordpress.org/support/topic/deprecated-function-create_function-14/#post-13312853
*
* create_function() was deprecated in PHP 7.2.0 and removed in PHP 8.0.0.
* @link https://www.php.net/manual/en/function.create-function.php
*
* The fix is to move add_action() above into run(),
* and use the bare register_widget() here.
* @see self::run()
*
* Also, the visibility of initialize_widgets() is not private any longer.
*/
public function initialize_widgets() {
register_widget( 'MCI_Footnotes_Widget_Reference_container' );
}
/**
* Initializes the Dashboard of the Plugin and loads them.
*
* @since 1.5.0
*/
private function initialize_dashboard() {
new MCI_Footnotes_Layout_Init();
}
/**
* Initializes the Plugin Task and registers the Task hooks.
*
* @since 1.5.0
*/
private function initialize_task() {
$this->a_obj_task = new MCI_Footnotes_Task();
$this->a_obj_task->register_hooks();
}
/**
* Registers and enqueues scripts and stylesheets to the public pages.
*
* @since 1.5.0
*
* @since 2.0.0 Update: Tooltips: fix disabling bug by loading jQuery UI library, thanks to @rajinderverma @ericcorbett2 @honlapdavid @mmallett bug reports, thanks to @vonpiernik code contribution.
* @since 2.0.3 add versioning of public.css for cache busting 2020-10-29T1413+0100
* @since 2.0.4 add jQuery UI from WordPress 2020-11-01T1902+0100
* @since 2.1.4 automate passing version number for cache busting 2020-11-30T0646+0100
* @since 2.1.4 optionally enqueue an extra stylesheet 2020-12-04T2231+0100
*/
public function register_public() {
/**
* Enqueues external scripts.
*
* - Bugfix: Libraries: optimize processes by loading external and internal scripts only if needed, thanks to @docteurfitness issue report.
*
* @since 2.5.5
* @reporter @docteurfitness
* @link https://wordpress.org/support/topic/simply-speed-optimisation/
*
* The condition about tooltips was missing, only the not-alternative-tooltips part was present.
*/
// Set conditions re-used for stylesheet enqueuing and in class/task.php.
self::$a_bool_amp_enabled = MCI_Footnotes_Convert::to_bool( MCI_Footnotes_Settings::instance()->get( MCI_Footnotes_Settings::C_STR_FOOTNOTES_AMP_COMPATIBILITY_ENABLE ) );
self::$a_bool_tooltips_enabled = MCI_Footnotes_Convert::to_bool( MCI_Footnotes_Settings::instance()->get( MCI_Footnotes_Settings::C_STR_FOOTNOTES_MOUSE_OVER_BOX_ENABLED ) );
self::$a_bool_alternative_tooltips_enabled = MCI_Footnotes_Convert::to_bool( MCI_Footnotes_Settings::instance()->get( MCI_Footnotes_Settings::C_STR_FOOTNOTES_MOUSE_OVER_BOX_ALTERNATIVE ) );
self::$a_str_script_mode = MCI_Footnotes_Settings::instance()->get( MCI_Footnotes_Settings::C_STR_FOOTNOTES_REFERENCE_CONTAINER_SCRIPT_MODE );
/**
* Enqueues the jQuery library registered by WordPress.
*
* - Bugfix: Reference container: optional alternative expanding and collapsing without jQuery for use with hard links, thanks to @hopper87it @pkverma99 issue reports.
*
* @since 2.5.6
*
* @reporter @hopper87it
* @link https://wordpress.org/support/topic/footnotes-wp-rocket/
*
* jQuery is also used for animated scrolling, so it was loaded by default.
* The function wp_enqueue_script() avoids loading the same library multiple times.
* After adding the alternative reference container, jQuery has become optional,
* but still enabled by default.
*/
if ( ! self::$a_bool_amp_enabled ) {
if ( 'jquery' === self::$a_str_script_mode || ( self::$a_bool_tooltips_enabled && ! self::$a_bool_alternative_tooltips_enabled ) ) {
wp_enqueue_script( 'jquery' );
}
if ( self::$a_bool_tooltips_enabled && ! self::$a_bool_alternative_tooltips_enabled ) {
/**
* Enqueues the jQuery Tools library shipped with the plugin.
*
* Redacted jQuery.browser, completed minification;
* see full header in js/jquery.tools.js.
*
* Add versioning.
*
* @since 2.1.2
* @date 2020-11-18T2150+0100
*
* No '-js' in the handle, is appended automatically.
*
* Deferring to the footer breaks jQuery tooltip display.
* @date 2021-02-23T1105+0100
*/
wp_enqueue_script(
'mci-footnotes-jquery-tools',
plugins_url( 'footnotes/js/jquery.tools.min.js' ),
array(),
'1.2.7.redacted.2',
false
);
/**
* Enqueues some jQuery UI libraries registered by WordPress.
*
* - Update: Tooltips: fix disabling bug by loading jQuery UI library, thanks to @rajinderverma @ericcorbett2 @honlapdavid @mmallett bug reports, thanks to @vonpiernik code contribution.
*
* @since 2.0.0
*
* @reporter @rajinderverma
* @link https://wordpress.org/support/topic/tooltip-hover-not-showing/
*
* @reporter @ericcorbett2
* @link https://wordpress.org/support/topic/tooltip-hover-not-showing/#post-13324142
*
* @reporter @honlapdavid
* @link https://wordpress.org/support/topic/tooltip-hover-not-showing/#post-13355421
*
* @reporter @mmallett
* @link https://wordpress.org/support/topic/tooltip-hover-not-showing/#post-13445437
*
* Fetch jQuery UI from cdnjs.cloudflare.com.
* @since 2.0.0
* @date 2020-10-26T1907+0100
* @contributor @vonpiernik
* @link https://wordpress.org/support/topic/tooltip-hover-not-showing/#post-13456762
*
* jQueryUI re-enables the tooltip infobox disabled when WPv5.5 was released. * @since 2.1.2
*
* - Update: Libraries: Load jQuery UI from WordPress, thanks to @check2020de issue report.
*
* @since 2.0.4
* @date 2020-11-01T1902+0100
* @reporter @check2020de
* @link https://wordpress.org/support/topic/gdpr-issue-with-jquery/
* @link https://wordpress.stackexchange.com/questions/273986/correct-way-to-enqueue-jquery-ui
*
* If alternative tooltips are enabled, these libraries are not needed.
*/
wp_enqueue_script( 'jquery-ui-core' );
wp_enqueue_script( 'jquery-ui-widget' );
wp_enqueue_script( 'jquery-ui-position' );
wp_enqueue_script( 'jquery-ui-tooltip' );
}
}
/**
* Enables enqueuing a new-scheme stylesheet.
*
* @since 2.5.5
* @date 2021-02-14T1512+0100
*
* Enables enqueuing the formatted individual stylesheets if false.
* WARNING: This facility is designed for development and must NOT be used in production.
*
* The Boolean may be set at the bottom of the plugins main PHP file.
* @see footnotes.php
*/
if ( C_BOOL_CSS_PRODUCTION_MODE === true ) {
/**
* Enqueues a minified united external stylesheet in production.
*
* - Update: Stylesheets: increase speed and energy efficiency by tailoring stylesheets to the needs of the instance, thanks to @docteurfitness design contribution.
* - Bugfix: Stylesheets: minify to shrink the carbon footprint, increase speed and implement best practice, thanks to @docteurfitness issue report.
*
* @since 2.5.5
* @date 2021-02-14T1543+0100
*
* @contributor @docteurfitness
* @link https://wordpress.org/support/topic/simply-speed-optimisation/
*
* @reporter @docteurfitness
* @link https://wordpress.org/support/topic/simply-speed-optimisation/
*
* The dashboard stylesheet is minified as-is.
* @see class/dashboard/layout.php
*
* @since 2.0.3 add versioning of public.css for cache busting.
* @date 2020-10-29T1413+0100
* Plugin version number is needed for busting browser caches after each plugin update.
* @since 2.1.4 automate passing version number for cache busting.
* @date 2020-11-30T0646+0100
* The constant C_STR_PACKAGE_VERSION is defined at start of footnotes.php.
*
* The media scope argument 'all' is the default.
* No need to use '-css' in the handle, as this is appended automatically.
*/
// Set tooltip mode for use in stylesheet name.
if ( self::$a_bool_tooltips_enabled ) {
if ( self::$a_bool_amp_enabled ) {
$l_str_tooltip_mode_short = 'ampt';
$l_str_tooltip_mode_long = 'amp-tooltips';
} elseif ( self::$a_bool_alternative_tooltips_enabled ) {
$l_str_tooltip_mode_short = 'altt';
$l_str_tooltip_mode_long = 'alternative-tooltips';
} else {
$l_str_tooltip_mode_short = 'jqtt';
$l_str_tooltip_mode_long = 'jquery-tooltips';
}
} else {
$l_str_tooltip_mode_short = 'nott';
$l_str_tooltip_mode_long = 'no-tooltips';
}
// Set basic responsive page layout mode for use in stylesheet name.
$l_str_page_layout_option = MCI_Footnotes_Settings::instance()->get( MCI_Footnotes_Settings::C_STR_FOOTNOTES_PAGE_LAYOUT_SUPPORT );
switch ( $l_str_page_layout_option ) {
case 'reference-container':
$l_str_layout_mode = '1';
break;
case 'entry-content':
$l_str_layout_mode = '2';
break;
case 'main-content':
$l_str_layout_mode = '3';
break;
case 'none':
default:
$l_str_layout_mode = '0';
break;
}
// Enqueue the tailored united minified stylesheet.
wp_enqueue_style(
'mci-footnotes-' . $l_str_tooltip_mode_long . '-pagelayout-' . $l_str_page_layout_option,
plugins_url(
MCI_Footnotes_Config::C_STR_PLUGIN_NAME . '/css/footnotes-' . $l_str_tooltip_mode_short . 'brpl' . $l_str_layout_mode . '.min.css'
),
array(),
C_STR_PACKAGE_VERSION,
'all'
);
} else {
/**
* Enqueues external stylesheets, ONLY in development now.
*
* @since 2.1.4 optionally enqueue an extra stylesheet.
* @date 2020-12-04T2231+0100
*
* This optional layout fix is useful by lack of layout support.
*/
wp_enqueue_style( 'mci-footnotes-common', plugins_url( MCI_Footnotes_Config::C_STR_PLUGIN_NAME . '/css/dev-common.css' ), array(), C_STR_PACKAGE_VERSION );
wp_enqueue_style( 'mci-footnotes-tooltips', plugins_url( MCI_Footnotes_Config::C_STR_PLUGIN_NAME . '/css/dev-tooltips.css' ), array(), C_STR_PACKAGE_VERSION );
if ( self::$a_bool_amp_enabled ) {
wp_enqueue_style( 'mci-footnotes-amp', plugins_url( MCI_Footnotes_Config::C_STR_PLUGIN_NAME . '/css/dev-amp-tooltips.css' ), array(), C_STR_PACKAGE_VERSION );
}
if ( self::$a_bool_alternative_tooltips_enabled ) {
wp_enqueue_style( 'mci-footnotes-alternative', plugins_url( MCI_Footnotes_Config::C_STR_PLUGIN_NAME . '/css/dev-tooltips-alternative.css' ), array(), C_STR_PACKAGE_VERSION );
}
$l_str_page_layout_option = MCI_Footnotes_Settings::instance()->get( MCI_Footnotes_Settings::C_STR_FOOTNOTES_PAGE_LAYOUT_SUPPORT );
if ( 'none' !== $l_str_page_layout_option ) {
wp_enqueue_style(
'mci-footnotes-layout-' . $l_str_page_layout_option,
plugins_url(
MCI_Footnotes_Config::C_STR_PLUGIN_NAME . '/css/dev-layout-' . $l_str_page_layout_option . '.css'
),
array(),
C_STR_PACKAGE_VERSION,
'all'
);
}
}
}
}