'style', 'handle' => Settings::$vars['slug'], 'inline_styles' => Settings::dynamic_toggle_switch_styles()));
Utilities::optionally_load_resource(array('type' => 'script', 'handle' => Settings::$vars['slug']));
return sprintf(
'%s
',
substr(get_locale(), 0, 2),
$this->get_checkbox_switch(array(
'name' => Settings::$vars['slug'],
'label' => __('Click/tap to toggle accessible reading mode', 'accessible-reading'),
'value' => 'swap-accessible-reading',
'reverse' => false,
'no' => Settings::get('toggle_switch_text_enable', true, 'toggle_switch'), //__('Enable Accessible Reading', 'accessible-reading'),
'yes' => Settings::get('toggle_switch_text_disable', true, 'toggle_switch') // __('Disable Accessible Reading', 'accessible-reading')
)),
);
}
/**
* Shortcode: Display Content
*
* @since 2.0.0
* @param array $atts Optional. An associative array of shortcode attributes. Default is an empty array.
* @param string $content Optional. A string of content between the opening and closing tags. Default is an empty string.
* @param string $tag Optional. The shortcode tag. Default is an empty string.
* @return string HTML output of the shortcode.
*/
private function display_content($atts = array(), $content = '', $tag = '')
{
if ($content) {
//Optionally enqueue the registered assets
Utilities::optionally_load_resource(array('type' => 'style', 'handle' => Settings::$vars['slug'], 'inline_styles' => Settings::dynamic_toggle_switch_styles()));
Utilities::optionally_load_resource(array('type' => 'script', 'handle' => Settings::$vars['slug']));
// Normalize attribute keys to lowercase and configure default values
$atts = shortcode_atts(array(
'type' => 'original', //Accepts `original` or `accessible`
'classes' => '', //String of space-separated classes to add to the block
'display' => 'block' //Accepts `block` or `none`
), array_change_key_case((array)$atts, CASE_LOWER), $tag);
if ($atts['type'] == 'original') {
$atts['classes'] .= ($atts['classes'] ? ' ' : '') . 'accessible-reading-original-content';
} else {
$atts['classes'] .= ($atts['classes'] ? ' ' : '') . 'accessible-reading-bionic-content';
}
return sprintf(
'%s
',
esc_attr($atts['classes']),
esc_attr($atts['display']),
$content
);
}
return $content;
}
/**
* Shortcode: Display Original Content
*
* @param array $atts Optional. An associative array of shortcode attributes. Default is an empty array.
* @param string $content Optional. A string of content between the opening and closing tags. Default is an empty string.
* @param string $tag Optional. The shortcode tag. Default is an empty string.
*
* @return string HTML output of the shortcode.
*/
public function display_original_content($atts = array(), $content = '', $tag = '')
{
// Normalize attribute keys to lowercase and configure default values
$atts = shortcode_atts(array(), array_change_key_case((array)$atts, CASE_LOWER), $tag);
return $this->display_content(array_replace($atts, array('type' => 'original', 'classes' => 'shortcode-for-original-content')), $content, $tag);
}
/**
* Shortcode: Display Accessible Content
*
* @param array $atts Optional. An associative array of shortcode attributes. Default is an empty array.
* @param string $content Optional. A string of content between the opening and closing tags. Default is an empty string.
* @param string $tag Optional. The shortcode tag. Default is an empty string.
*
* @return string HTML output of the shortcode.
*/
public function display_accessible_content($atts = array(), $content = '', $tag = '')
{
$atts = shortcode_atts(array(), array_change_key_case((array)$atts, CASE_LOWER), $tag);
return $this->display_content(array_replace($atts, array('type' => 'accessible', 'classes' => 'shortcode-for-accessible-content', 'display' => 'none')), $content, $tag);
}
/**
* Shortcode: Display Original Content
*
* @since 2.0.0
* @param array $atts Optional. An associative array of shortcode attributes. Default is an empty array.
* @param string $content Optional. A string of content between the opening and closing tags. Default is an empty string.
* @param string $tag Optional. The shortcode tag. Default is an empty string.
* @return string HTML output of the shortcode.
*/
public function maybe_display_accessible_content($atts = array(), $content = '', $tag = '')
{
// Normalize attribute keys to lowercase and configure default values
$atts = shortcode_atts(array(
'id' => '',
'disabled' => '', //Disables processing
'hide_toggle' => '', //Hide toggle switch for shortcode
'post_id' => ''
), array_change_key_case((array)$atts, CASE_LOWER), $tag);
if ($atts['disabled']) {
return sprintf(
'%s',
__('Processing accessible reading content is disabled for this shortcode', 'accessible-reading'),
$content
);
} elseif (empty($atts['id'])) {
return sprintf(
'%s',
__('The `id` attribute for the accessible reading shortcode is missing! Cannot save processed content without it', 'accessible-reading'),
$content
);
}
$post_id = is_numeric($atts['post_id']) && $atts['post_id'] > 0 ? intval($atts['post_id']) : '';
if (!$post_id) {
global $post;
$post_id = $post->ID;
}
$accessible_content = '';
if (current_user_can(Settings::$vars['capability_post'], $post_id)) {
//Maybe process shortcode for users that can edit/manage posts
global $accessible_reading;
$process = $accessible_reading->save_shortcode($post_id, $atts['id'], $content);
if ($process !== false) {
if ($process['content']) {
$accessible_content = $process['content'];
} elseif ($process['same_as_prev']) {
//Retrieve previous content
$accessible_content = Settings::get_meta($post_id, 'shortcode_' . $atts['id']);
}
}
} else {
$accessible_content = Settings::get_meta($post_id, 'shortcode_' . $atts['id']);
}
if ($accessible_content) {
return sprintf(
'%s%s%s
',
Settings::get_meta(
$post_id,
'toggle_switch',
Settings::get('toggle_switch', true) //Fallback to the global setting
),
$atts['hide_toggle'] ? '' : (Settings::get('toggle_switch_content', true) ? $this->display_toggle_switch() : ''),
$this->display_original_content(array(), $content),
$this->display_accessible_content(array(), $accessible_content)
);
}
return sprintf(
'%s',
__('No accessible content available for this shortcode content', 'accessible-reading'),
$content
);
}
/**
* Display Switch Toggle HTML
*
* @since 1.0.0
* @param array $args An associatve array with keys for `name` (string), `value`
* (string of `true` or `false`), `yes` (string), `no` (string), `label`, and
* `reverse` (bool)
* @return string HTML for the checkbox switch
*/
private function get_checkbox_switch($args)
{
$checked = checked($args['reverse'] ? '0' : '1', $args['value'], false); //Checked attribute, if reversed, compare against the opposite value
return sprintf(
'
',
esc_attr($args['name']), //1 - Input name
esc_attr($args['value']), //2 - Input value
esc_attr($checked), //3 - checked attribute
esc_attr($args['no']), //4 - on value
esc_attr($args['yes']), //5 - off value
$args['reverse'] ? ' reverse-checkbox' : '', //6 - whether checkbox should be visibly reversed
esc_attr($args['label']), //7 The label of the checkbox, used for screenreaders
$checked ? 'true' : 'false', //8 - ARIA checked attribute
uniqid($args['name']) //9 - unique ID
);
}
//**** Frontend ****//
/**
* Enqueue Frontend Styles and Scripts
*
* @since 1.0.0
*/
public function enqueue_scripts()
{
$minified = WP_DEBUG ? '' : '.min'; //Use unminified files if debugging
//Register the stylesheet
wp_register_style(
Settings::$vars['slug'],
Settings::$vars['url'] . 'assets/styles/accessible-reading' . $minified . '.css',
array(),
filemtime(Settings::$vars['path'] . 'assets/styles/accessible-reading' . $minified . '.css')
);
//Register the script
wp_register_script(
Settings::$vars['slug'],
Settings::$vars['url'] . 'assets/scripts/accessible-reading' . $minified . '.js',
array(),
filemtime(Settings::$vars['path'] . 'assets/scripts/accessible-reading' . $minified . '.js'),
true
);
}
/**
* Frontend Display
*
* Display the swap button on the frontend of a post in the loop of `the_content()`
*
* @since 1.0.0
* @param string $content. Post content.
* @return string Modified post content.
*/
public function display_frontend($content = '')
{
if (is_singular(Settings::get_post_types())) {
$post_id = get_the_ID();
//Do not continue if disabled at the post level
if (Settings::post_enabled($post_id)) {
$accessible_content = Settings::get_meta($post_id, 'content');
if ($accessible_content) {
return sprintf(
'%s%s%s
',
Settings::get_meta(
$post_id,
'toggle_switch',
Settings::get('toggle_switch', true) //Fallback to the global setting
),
Settings::get('toggle_switch_content', true) ? $this->display_toggle_switch() : '',
$this->display_original_content(array(), $content),
$this->display_accessible_content(array(), $accessible_content)
);
}
}
}
return $content;
}
}