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<?php
/**
* WAH Front functions
*
* @package WAH
*/
add_action( 'wp', 'wah_analyzer' );
add_action( 'after_wah_wrapper', 'cre_wah_dits' );
if ( ! function_exists( 'wp_access_helper_body_class' ) ) {
/**
* Add front body classes
*
* @param array $classes CSS classes.
* @return array CSS classes
*/
function wp_access_helper_body_class( $classes ) {
global $is_lynx, $is_gecko, $is_IE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone;
$wah_user_agent = isset( $_SERVER['HTTP_USER_AGENT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : '';
if ( $is_lynx ) {
$classes[] = 'lynx';
} elseif ( $is_gecko ) {
$classes[] = 'gecko';
} elseif ( $is_opera ) {
$classes[] = 'opera';
} elseif ( $is_NS4 ) {
$classes[] = 'ns4';
} elseif ( $is_safari ) {
$classes[] = 'safari';
} elseif ( $is_chrome ) {
$classes[] = 'chrome';
} elseif ( $is_IE ) {
$classes[] = 'ie';
if ( $wah_user_agent ) {
if ( preg_match( '/MSIE ( [0-11]+ )( [a-zA-Z0-9.]+ )/', $wah_user_agent, $browser_version ) ) {
$classes[] = 'ie' . $browser_version[1];
}
}
} else {
$classes[] = 'unknown';
}
if ( $is_iphone ) {
$classes[] = 'iphone';
}
if ( $wah_user_agent ) {
if ( stristr( $wah_user_agent, 'mac' ) ) {
$classes[] = 'osx';
} elseif ( stristr( $wah_user_agent, 'linux' ) ) {
$classes[] = 'linux';
} elseif ( stristr( $wah_user_agent, 'windows' ) ) {
$classes[] = 'windows';
}
}
$classes[] = 'wp-accessibility-helper';
$contrast_setup = get_option( 'wah_contrast_setup' ) ? get_option( 'wah_contrast_setup' ) : 0;
$font_setup_type = get_option( 'wah_font_setup_type' ) ? get_option( 'wah_font_setup_type' ) : 'script';
$remove_styles_setup = get_option( 'wah_remove_styles_setup' ) ? get_option( 'wah_remove_styles_setup' ) : 0;
$location_setup = get_option( 'wah_left_side' ) ? 'left' : 'right';
$underline_links_setup = get_option( 'wah_underline_links_setup' ) ? get_option( 'wah_underline_links_setup' ) : 0;
$wah_left_side = get_option( 'wah_left_side' );
if ( $contrast_setup ) {
$classes[] = 'accessibility-contrast_mode_on'; }
if ( $font_setup_type ) {
$classes[] = 'wah_fstype_' . $font_setup_type; }
if ( $remove_styles_setup ) {
$classes[] = 'accessibility-remove-styles-setup'; }
if ( $underline_links_setup ) {
$classes[] = 'accessibility-underline-setup'; }
if ( 'left' === $location_setup ) {
$classes[] = 'accessibility-location-left';
} else {
$classes[] = 'accessibility-location-right';
}
return $classes;
}
add_filter( 'body_class', 'wp_access_helper_body_class' );
}
/**
* WAH Analyzer
*/
function wah_analyzer() {
if ( wah_analyzer_isset() && wah_admin_only() ) {
wah_run_front_dom_scanner();
} elseif ( wah_analyzer_isset() && ! wah_admin_only() ) {
echo "<h1 style='text-align:center;'>" . esc_html__( 'You do NOT have permissions to access this page', 'wp-accessibility-helper' ) . '</h1>';
echo "<h3 style='text-align:center;'>" . esc_html__( 'Please contact site administrator.', 'wp-accessibility-helper' ) . '</h3>';
die();
}
}
/**
* Run_front_dom_scanner
*/
function wah_run_front_dom_scanner() {
wp_register_style( 'wah_analyzer-styles', plugins_url( 'admin/wah-analyzer/style.css', dirname( __FILE__ ) ), array(), WAH_VERSION );
wp_enqueue_style( 'wah_analyzer-styles' );
wp_localize_script( 'wah_analyzer-js', 'ajax', array( 'ajaxurl' => admin_url( 'admin-ajax.php' ) ) );
wp_register_script( 'wah_analyzer-js', plugins_url( 'admin/wah-analyzer/wah_analyzer.js', dirname( __FILE__ ) ), array( 'jquery' ), WAH_VERSION, true );
wp_enqueue_script( 'wah_analyzer-js' );
}
/**
* Get attachment id by image source
*
* @param string $url URL.
* @return string attachment ID
*/
function wah_get_attachment_id( $url ) {
$attachment_id = 0;
$dir = wp_upload_dir();
if ( false !== strpos( $url, $dir['baseurl'] . '/' ) ) { // Is URL in uploads directory?
$file = basename( $url );
$query_args = array(
'post_type' => 'attachment',
'post_status' => 'inherit',
'fields' => 'ids',
'meta_query' => array(
array(
'value' => $file,
'compare' => 'LIKE',
'key' => '_wp_attachment_metadata',
),
),
);
$query = new WP_Query( $query_args );
if ( $query->have_posts() ) {
foreach ( $query->posts as $post_id ) {
$meta = wp_get_attachment_metadata( $post_id );
$original_file = basename( $meta['file'] );
$cropped_image_files = wp_list_pluck( $meta['sizes'], 'file' );
if ( $original_file === $file || in_array( $file, $cropped_image_files ) ) {
$attachment_id = $post_id;
break;
}
}
}
}
return $attachment_id;
}
/**
* Analyzer Access
*
* @return boolean true/false
*/
function wah_analyzer_isset() {
if ( isset( $_GET['wah_analyzer'] ) && 'wah' === $_GET['wah_analyzer'] ) {
return true;
}
return false;
}
/**
* WAH admin only
*
* @return boolean true/false
*/
function wah_admin_only() {
if ( current_user_can( 'administrator' ) ) {
return true;
}
return false;
}
/**
* WAH Widgets
*
* @return array WAH widgets list
*/
function wah_get_front_widgets_list() {
// Get all vars.
$font_setup_title = get_option( 'wah_font_setup_title' ) ? get_option( 'wah_font_setup_title' ) : __( 'Font Resize', 'wp-accessibility-helper' );
$reset_font_size_title = get_option( 'wah_reset_font_size' ) ? get_option( 'wah_reset_font_size' ) : __( 'Reset font size', 'wp-accessibility-helper' );
$font_setup_type = get_option( 'wah_font_setup_type' ) ? get_option( 'wah_font_setup_type' ) : 'zoom';
$reset_button = '';
if ( 'script' === $font_setup_type ) {
$reset_button = '<button tabindex="-1" type="button" class="wah-action-button wah-font-reset wahout" title="' . __( 'Reset font size', 'wp-accessibility-helper' ) . '"
aria-label="' . __( 'Reset font size', 'wp-accessibility-helper' ) . '">' . $reset_font_size_title . '</button>';
}
$contrast_setup = get_option( 'wah_contrast_setup' );
$contrast_setup_title = get_option( 'wah_contrast_setup_title' ) ? get_option( 'wah_contrast_setup_title' ) : __( 'Contrast', 'wp-accessibility-helper' );
$choose_color_title = get_option( 'wah_choose_color_title' ) ? get_option( 'wah_choose_color_title' ) : __( 'Choose color', 'wp-accessibility-helper' );
$custom_contrast_variations = get_option( 'wah_enable_custom_contrast' );
$underline_links_setup = get_option( 'wah_underline_links_setup' );
$underline_links_setup_title = get_option( 'wah_underline_links_setup_title' ) ? get_option( 'wah_underline_links_setup_title' ) : __( 'Underline links', 'wp-accessibility-helper' );
$role_links_setup = get_option( 'wah_role_links_setup' );
$remove_link_titles = get_option( 'wah_remove_link_titles' );
$remove_styles_setup = get_option( 'wah_remove_styles_setup' );
$remove_styles_setup_title = get_option( 'wah_remove_styles_setup_title' ) ? get_option( 'wah_remove_styles_setup_title' ) : __( 'Remove styles', 'wp-accessibility-helper' );
$close_button_title = get_option( 'wah_close_button_title' ) ? get_option( 'wah_close_button_title' ) : __( 'Close', 'wp-accessibility-helper' );
$wah_clear_cookies_title = get_option( 'wah_clear_cookies_title' ) ? get_option( 'wah_clear_cookies_title' ) : __( 'Clear cookies', 'wp-accessibility-helper' );
$wah_greyscale_enable = get_option( 'wah_greyscale_enable' );
$wah_greyscale_title = get_option( 'wah_greyscale_title' ) ? get_option( 'wah_greyscale_title' ) : __( 'Images Greyscale', 'wp-accessibility-helper' );
$wah_highlight_links_enable = get_option( 'wah_highlight_links_enable' );
$wah_highlight_title = get_option( 'wah_highlight_links_title' ) ? get_option( 'wah_highlight_links_title' ) : __( 'Highlight Links', 'wp-accessibility-helper' );
$wah_invert_enable = get_option( 'wah_invert_enable' );
$wah_invert_title = get_option( 'wah_invert_title' ) ? get_option( 'wah_invert_title' ) : __( 'Invert Colors', 'wp-accessibility-helper' );
$wah_remove_animations_setup = get_option( 'wah_remove_animations_setup' );
$wah_remove_animations_title = get_option( 'wah_remove_animations_title' ) ? get_option( 'wah_remove_animations_title' ) : __( 'Remove Animations', 'wp-accessibility-helper' );
$wah_readable_fonts_setup = get_option( 'wah_readable_fonts_setup' );
$wah_readable_fonts_title = get_option( 'wah_readable_fonts_title' ) ? get_option( 'wah_readable_fonts_title' ) : __( 'Readable Font', 'wp-accessibility-helper' );
$wah_keyboard_navigation_setup = get_option( 'wah_keyboard_navigation_setup' );
$wah_keyboard_navigation_title = get_option( 'wah_keyboard_navigation_title' ) ? get_option( 'wah_keyboard_navigation_title' ) : __( 'Keyboard navigation', 'wp-accessibility-helper' );
$wah_lights_off_setup = get_option( 'wah_lights_off_setup' );
$wah_lights_off_title = get_option( 'wah_lights_off_title' ) ? get_option( 'wah_lights_off_title' ) : __( 'Lights Off', 'wp-accessibility-helper' );
// Build widgets array.
$wah_default_front_widget['widget-1'] = array(
'active' => 1,
'html' => '<div class="a_module wah_font_resize">
<div class="a_module_title">' . $font_setup_title . '</div>
<div class="a_module_exe font_resizer">
<button tabindex="-1" type="button" class="wah-action-button smaller wahout" title="' . __( 'smaller font size', 'wp-accessibility-helper' ) . '"
aria-label="' . __( 'smaller font size', 'wp-accessibility-helper' ) . '">A-</button>
<button tabindex="-1" type="button" class="wah-action-button larger wahout" title="' . __( 'larger font size', 'wp-accessibility-helper' ) . '"
aria-label="' . __( 'larger font size', 'wp-accessibility-helper' ) . '">A+</button>' . $reset_button . '
</div>
</div>',
);
$wah_default_front_widget['widget-2'] = array(
'active' => $wah_keyboard_navigation_setup,
'html' => '<div class="a_module wah_keyboard_navigation">
<div class="a_module_exe">
<button tabindex="-1" type="button" class="wah-action-button wahout wah-call-keyboard-navigation"
aria-label="' . $wah_keyboard_navigation_title . '" title="' . $wah_keyboard_navigation_title . '">' . $wah_keyboard_navigation_title . '</button>
</div>
</div>',
);
$wah_default_front_widget['widget-3'] = array(
'active' => $wah_readable_fonts_setup,
'html' => '<div class="a_module wah_readable_fonts">
<div class="a_module_exe readable_fonts">
<button tabindex="-1" type="button" class="wah-action-button wahout wah-call-readable-fonts" aria-label="' . $wah_readable_fonts_title . '" title="' . $wah_readable_fonts_title . '">' . $wah_readable_fonts_title . '</button>
</div>
</div>',
);
if ( $custom_contrast_variations ) {
$wah_default_front_widget['widget-4'] = array(
'active' => $contrast_setup,
);
$wah_default_front_widget['widget-4']['html'] = get_custom_contrast_variations( $contrast_setup_title, $choose_color_title );
} else {
$wah_default_front_widget['widget-4'] = array(
'active' => $contrast_setup,
'html' => '<div class="a_module wah_contrast_trigger">
<div class="a_module_title">' . $contrast_setup_title . '</div>
<div class="a_module_exe">
<button tabindex="-1" type="button" id="contrast_trigger" class="contrast_trigger wah-action-button wahout wah-call-contrast-trigger" title="Contrast">' . $choose_color_title . '</button>
<div class="color_selector" aria-hidden="true">
<button type="button" class="convar black wahout" data-bgcolor="#000" data-color="#FFF"
title="' . __( 'black', 'wp-accessibility-helper' ) . '">' . __( 'black', 'wp-accessibility-helper' ) . '</button>
<button type="button" class="convar white wahout" data-bgcolor="#FFF" data-color="#000"
title="' . __( 'white', 'wp-accessibility-helper' ) . '">' . __( 'white', 'wp-accessibility-helper' ) . '</button>
<button type="button" class="convar green wahout" data-bgcolor="#00FF21" data-color="#000"
title="' . __( 'green', 'wp-accessibility-helper' ) . '">' . __( 'green', 'wp-accessibility-helper' ) . '</button>
<button type="button" class="convar blue wahout" data-bgcolor="#0FF" data-color="#000"
title="' . __( 'blue', 'wp-accessibility-helper' ) . '">' . __( 'blue', 'wp-accessibility-helper' ) . '</button>
<button type="button" class="convar red wahout" data-bgcolor="#F00" data-color="#000"
title="' . __( 'red', 'wp-accessibility-helper' ) . '">' . __( 'red', 'wp-accessibility-helper' ) . '</button>
<button type="button" class="convar orange wahout" data-bgcolor="#FF6A00" data-color="#000" title="' . __( 'orange', 'wp-accessibility-helper' ) . '">' . __( 'orange', 'wp-accessibility-helper' ) . '</button>
<button type="button" class="convar yellow wahout" data-bgcolor="#FFD800" data-color="#000"
title="' . __( 'yellow', 'wp-accessibility-helper' ) . '">' . __( 'yellow', 'wp-accessibility-helper' ) . '</button>
<button type="button" class="convar navi wahout" data-bgcolor="#B200FF" data-color="#000"
title="' . __( 'navi', 'wp-accessibility-helper' ) . '">' . __( 'navi', 'wp-accessibility-helper' ) . '</button>
</div>
</div>
</div>',
);
}
$wah_default_front_widget['widget-5'] = array(
'active' => $underline_links_setup,
'html' => '<div class="a_module wah_underline_links">
<div class="a_module_exe">
<button tabindex="-1" type="button" class="wah-action-button wahout wah-call-underline-links" aria-label="' . $underline_links_setup_title . '" title="' . $underline_links_setup_title . '">' . $underline_links_setup_title . '</button>
</div>
</div>',
);
$wah_default_front_widget['widget-6'] = array(
'active' => $wah_highlight_links_enable,
'html' => '<div class="a_module wah_highlight_links">
<div class="a_module_exe">
<button tabindex="-1" type="button" class="wah-action-button wahout wah-call-highlight-links" aria-label="' . $wah_highlight_title . '" title="' . $wah_highlight_title . '">' . $wah_highlight_title . '</button>
</div>
</div>',
);
$wah_default_front_widget['widget-7'] = array(
'active' => 1,
'html' => '<div class="a_module wah_clear_cookies">
<div class="a_module_exe">
<button tabindex="-1" type="button" class="wah-action-button wahout wah-call-clear-cookies"
aria-label="' . $wah_clear_cookies_title . '" title="' . $wah_clear_cookies_title . '">' . $wah_clear_cookies_title . '</button>
</div>
</div>',
);
$wah_default_front_widget['widget-8'] = array(
'active' => $wah_greyscale_enable,
'html' => '<div class="a_module wah_greyscale">
<div class="a_module_exe">
<button tabindex="-1" type="button" id="greyscale" class="greyscale wah-action-button wahout wah-call-greyscale"
aria-label="' . $wah_greyscale_title . '" title="' . $wah_greyscale_title . '">' . $wah_greyscale_title . '</button>
</div>
</div>',
);
$wah_default_front_widget['widget-9'] = array(
'active' => $wah_invert_enable,
'html' => '<div class="a_module wah_invert">
<div class="a_module_exe">
<button tabindex="-1" type="button" class="wah-action-button wahout wah-call-invert"
aria-label="' . $wah_invert_title . '" title="' . $wah_invert_title . '">' . $wah_invert_title . '</button>
</div>
</div>',
);
$wah_default_front_widget['widget-10'] = array(
'active' => $wah_remove_animations_setup,
'html' => '<div class="a_module wah_remove_animations">
<div class="a_module_exe">
<button tabindex="-1" type="button" accesskey="' . apply_filters( 'wah_remove_animations_accesskey', 'a' ) . '" class="wah-action-button wahout wah-call-remove-animations"
aria-label="' . $wah_remove_animations_title . '" title="' . $wah_remove_animations_title . '">' . $wah_remove_animations_title . '</button>
</div>
</div>',
);
$wah_default_front_widget['widget-11'] = array(
'active' => $remove_styles_setup,
'html' => '<div class="a_module wah_remove_styles">
<div class="a_module_exe">
<button tabindex="-1" type="button" class="wah-action-button wahout wah-call-remove-styles"
aria-label="' . $remove_styles_setup_title . '" title="' . $remove_styles_setup_title . '">' . $remove_styles_setup_title . '</button>
</div>
</div>',
);
$wah_default_front_widget['widget-12'] = array(
'active' => $wah_lights_off_setup,
'html' => '<div class="a_module wah_lights_off">
<div class="a_module_exe">
<button tabindex="-1" type="button" id="wah_lights_off" class="wah-action-button wahout wah-lights-off wah-call-lights-off"
aria-label="' . $wah_lights_off_title . '">' . $wah_lights_off_title . '</button>
</div>
</div>',
);
return $wah_default_front_widget;
}
/**
* WAH calculate_enabled_widgets
*
* @return array enabled widgets
*/
function wah_calculate_enabled_widgets() {
$front_widgets = wah_get_front_widgets_list();
$enabled_widgets = array();
$wah_widgets_order = get_option( 'wah_sidebar_widgets_order' );
if ( $wah_widgets_order ) {
$wah_widgets = $wah_widgets_order;
if ( $wah_widgets && is_array( $wah_widgets ) ) {
foreach ( $wah_widgets as $id => $value ) {
if ( $value['active'] && $value['active'] == 1 ) {
$enabled_widgets[ $id ] = $front_widgets[ $id ];
}
}
}
} else {
if ( $front_widgets && is_array( $front_widgets ) ) {
foreach ( $front_widgets as $id => $value ) {
if ( $value['active'] && $value['active'] == 1 ) {
$enabled_widgets[ $id ] = $front_widgets[ $id ];
}
}
}
}
return apply_filters( 'wah_enabled_widgets', $enabled_widgets );
}
/**
* WAH render_enabled_widgets_list
*/
function wah_render_enabled_widgets_list() {
$enabled_widgets = wah_calculate_enabled_widgets();
if ( $enabled_widgets && is_array( $enabled_widgets ) ) {
foreach ( $enabled_widgets as $wah_widget ) {
if ( isset( $wah_widget['html'] ) && $wah_widget['html'] ) {
echo wp_kses_post( $wah_widget['html'] );
}
}
}
}
/**
* WAH default_contrast_options
*
* @return array default contrast options
*/
function wah_default_contrast_options() {
$contrast_array = array();
$contrast_array['contrast-1'] = array(
'label' => 'black',
'bgcolor' => '#000',
'color' => '#FFF',
);
$contrast_array['contrast-2'] = array(
'label' => 'white',
'bgcolor' => '#FFF',
'color' => '#000',
);
$contrast_array['contrast-3'] = array(
'label' => 'green',
'bgcolor' => '#00FF21',
'color' => '#000',
);
$contrast_array['contrast-4'] = array(
'label' => 'blue',
'bgcolor' => '#0FF',
'color' => '#000',
);
$contrast_array['contrast-5'] = array(
'label' => 'red',
'bgcolor' => '#F00',
'color' => '#000',
);
$contrast_array['contrast-6'] = array(
'label' => 'orange',
'bgcolor' => '#FF6A00',
'color' => '#000',
);
$contrast_array['contrast-7'] = array(
'label' => 'yellow',
'bgcolor' => '#FFD800',
'color' => '#000',
);
$contrast_array['contrast-8'] = array(
'label' => 'navi',
'bgcolor' => '#B200FF',
'color' => '#000',
);
return $contrast_array;
}
/**
* GET custom_contrast_variations
*
* @param string $contrast_setup_title contrast_setup_title.
* @param string $choose_color_title choose_color_title.
* @return html contrast buttons
*/
function get_custom_contrast_variations( $contrast_setup_title, $choose_color_title ) {
$contrast_variations = get_option( 'wah_contrast_variations' );
$custom_contrast_html = '';
ob_start();
if ( $contrast_variations ) { ?>
<div class="a_module">
<div class="a_module_title"><?php echo esc_html( $contrast_setup_title ); ?></div>
<div class="a_module_exe">
<button type="button" id="contrast_trigger" class="contrast_trigger wah-action-button wahout wah-call-contrast-trigger">
<?php echo esc_html( $choose_color_title ); ?>
</button>
<div class="color_selector" aria-hidden="true">
<?php if ( count( $contrast_variations ) >= wah_get_limit_contrast_variations() ) : ?>
<?php esc_html_e( 'Maximum 4 contrast variations', 'wp-accessibility-helper' ); ?>
<?php else : ?>
<?php foreach ( $contrast_variations as $contrast ) : ?>
<button type="button" class="convar wahout wahcolor"
style="background:#<?php echo esc_html( $contrast['bgcolor'] ); ?> !important;"
data-bgcolor="#<?php echo esc_html( $contrast['bgcolor'] ); ?>"
data-color="#<?php echo esc_html( $contrast['textcolor'] ); ?>"
title="<?php echo esc_html( $contrast['title'] ); ?>">
<span class="wah-screen-reader-text"><?php echo esc_html( $contrast['title'] ); ?></span>
</button>
<?php endforeach; ?>
<?php endif; ?>
</div>
</div>
</div>
<?php
}
$custom_contrast_html = ob_get_clean();
return $custom_contrast_html;
}
/**
* WAH get_limit_contrast_variations
*
* @return int number
*/
function wah_get_limit_contrast_variations() {
return 5;
}
/**
* WAH render_last_skiplink
*/
function wah_render_last_skiplink() {
$close_button_title = get_option( 'wah_close_button_title' ) ? get_option( 'wah_close_button_title' ) : __( 'Close', 'wp-accessibility-helper' );
?>
<button type="button" title="<?php esc_html_e( 'Close sidebar', 'wp-accessibility-helper' ); ?>" class="wah-skip close-wah-sidebar">
<?php echo esc_html( $close_button_title ); ?>
</button>
<?php
}
/**
* WAH Credits
*/
function cre_wah_dits() {
?>
<div class="wah-free-credits">
<div class="wah-free-credits-inner">
<a href="https://accessibility-helper.co.il/" target="_blank" title="Accessibility by WP Accessibility Helper Team">Accessibility by WAH</a>
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<?php
}