PDF rausgenommen
This commit is contained in:
aschwarz
@ -0,0 +1,220 @@
|
||||
<?php
|
||||
/**
|
||||
* SVG icons related functions and filters
|
||||
*
|
||||
* @package WordPress
|
||||
* @subpackage Twenty_Seventeen
|
||||
* @since 1.0
|
||||
*/
|
||||
|
||||
/**
|
||||
* Add SVG definitions to the footer.
|
||||
*/
|
||||
function twentyseventeen_include_svg_icons() {
|
||||
// Define SVG sprite file.
|
||||
$svg_icons = get_parent_theme_file_path( '/assets/images/svg-icons.svg' );
|
||||
|
||||
// If it exists, include it.
|
||||
if ( file_exists( $svg_icons ) ) {
|
||||
require_once( $svg_icons );
|
||||
}
|
||||
}
|
||||
add_action( 'wp_footer', 'twentyseventeen_include_svg_icons', 9999 );
|
||||
|
||||
/**
|
||||
* Return SVG markup.
|
||||
*
|
||||
* @param array $args {
|
||||
* Parameters needed to display an SVG.
|
||||
*
|
||||
* @type string $icon Required SVG icon filename.
|
||||
* @type string $title Optional SVG title.
|
||||
* @type string $desc Optional SVG description.
|
||||
* }
|
||||
* @return string SVG markup.
|
||||
*/
|
||||
function twentyseventeen_get_svg( $args = array() ) {
|
||||
// Make sure $args are an array.
|
||||
if ( empty( $args ) ) {
|
||||
return __( 'Please define default parameters in the form of an array.', 'twentyseventeen' );
|
||||
}
|
||||
|
||||
// Define an icon.
|
||||
if ( false === array_key_exists( 'icon', $args ) ) {
|
||||
return __( 'Please define an SVG icon filename.', 'twentyseventeen' );
|
||||
}
|
||||
|
||||
// Set defaults.
|
||||
$defaults = array(
|
||||
'icon' => '',
|
||||
'title' => '',
|
||||
'desc' => '',
|
||||
'fallback' => false,
|
||||
);
|
||||
|
||||
// Parse args.
|
||||
$args = wp_parse_args( $args, $defaults );
|
||||
|
||||
// Set aria hidden.
|
||||
$aria_hidden = ' aria-hidden="true"';
|
||||
|
||||
// Set ARIA.
|
||||
$aria_labelledby = '';
|
||||
|
||||
/*
|
||||
* Twenty Seventeen doesn't use the SVG title or description attributes; non-decorative icons are described with .screen-reader-text.
|
||||
*
|
||||
* However, child themes can use the title and description to add information to non-decorative SVG icons to improve accessibility.
|
||||
*
|
||||
* Example 1 with title: <?php echo twentyseventeen_get_svg( array( 'icon' => 'arrow-right', 'title' => __( 'This is the title', 'textdomain' ) ) ); ?>
|
||||
*
|
||||
* Example 2 with title and description: <?php echo twentyseventeen_get_svg( array( 'icon' => 'arrow-right', 'title' => __( 'This is the title', 'textdomain' ), 'desc' => __( 'This is the description', 'textdomain' ) ) ); ?>
|
||||
*
|
||||
* See https://www.paciellogroup.com/blog/2013/12/using-aria-enhance-svg-accessibility/.
|
||||
*/
|
||||
if ( $args['title'] ) {
|
||||
$aria_hidden = '';
|
||||
$unique_id = twentyseventeen_unique_id();
|
||||
$aria_labelledby = ' aria-labelledby="title-' . $unique_id . '"';
|
||||
|
||||
if ( $args['desc'] ) {
|
||||
$aria_labelledby = ' aria-labelledby="title-' . $unique_id . ' desc-' . $unique_id . '"';
|
||||
}
|
||||
}
|
||||
|
||||
// Begin SVG markup.
|
||||
$svg = '<svg class="icon icon-' . esc_attr( $args['icon'] ) . '"' . $aria_hidden . $aria_labelledby . ' role="img">';
|
||||
|
||||
// Display the title.
|
||||
if ( $args['title'] ) {
|
||||
$svg .= '<title id="title-' . $unique_id . '">' . esc_html( $args['title'] ) . '</title>';
|
||||
|
||||
// Display the desc only if the title is already set.
|
||||
if ( $args['desc'] ) {
|
||||
$svg .= '<desc id="desc-' . $unique_id . '">' . esc_html( $args['desc'] ) . '</desc>';
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Display the icon.
|
||||
*
|
||||
* The whitespace around `<use>` is intentional - it is a work around to a keyboard navigation bug in Safari 10.
|
||||
*
|
||||
* See https://core.trac.wordpress.org/ticket/38387.
|
||||
*/
|
||||
$svg .= ' <use href="#icon-' . esc_html( $args['icon'] ) . '" xlink:href="#icon-' . esc_html( $args['icon'] ) . '"></use> ';
|
||||
|
||||
// Add some markup to use as a fallback for browsers that do not support SVGs.
|
||||
if ( $args['fallback'] ) {
|
||||
$svg .= '<span class="svg-fallback icon-' . esc_attr( $args['icon'] ) . '"></span>';
|
||||
}
|
||||
|
||||
$svg .= '</svg>';
|
||||
|
||||
return $svg;
|
||||
}
|
||||
|
||||
/**
|
||||
* Display SVG icons in social links menu.
|
||||
*
|
||||
* @param string $item_output The menu item output.
|
||||
* @param WP_Post $item Menu item object.
|
||||
* @param int $depth Depth of the menu.
|
||||
* @param array $args wp_nav_menu() arguments.
|
||||
* @return string $item_output The menu item output with social icon.
|
||||
*/
|
||||
function twentyseventeen_nav_menu_social_icons( $item_output, $item, $depth, $args ) {
|
||||
// Get supported social icons.
|
||||
$social_icons = twentyseventeen_social_links_icons();
|
||||
|
||||
// Change SVG icon inside social links menu if there is supported URL.
|
||||
if ( 'social' === $args->theme_location ) {
|
||||
foreach ( $social_icons as $attr => $value ) {
|
||||
if ( false !== strpos( $item_output, $attr ) ) {
|
||||
$item_output = str_replace( $args->link_after, '</span>' . twentyseventeen_get_svg( array( 'icon' => esc_attr( $value ) ) ), $item_output );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $item_output;
|
||||
}
|
||||
add_filter( 'walker_nav_menu_start_el', 'twentyseventeen_nav_menu_social_icons', 10, 4 );
|
||||
|
||||
/**
|
||||
* Add dropdown icon if menu item has children.
|
||||
*
|
||||
* @param string $title The menu item's title.
|
||||
* @param WP_Post $item The current menu item.
|
||||
* @param array $args An array of wp_nav_menu() arguments.
|
||||
* @param int $depth Depth of menu item. Used for padding.
|
||||
* @return string $title The menu item's title with dropdown icon.
|
||||
*/
|
||||
function twentyseventeen_dropdown_icon_to_menu_link( $title, $item, $args, $depth ) {
|
||||
if ( 'top' === $args->theme_location ) {
|
||||
foreach ( $item->classes as $value ) {
|
||||
if ( 'menu-item-has-children' === $value || 'page_item_has_children' === $value ) {
|
||||
$title = $title . twentyseventeen_get_svg( array( 'icon' => 'angle-down' ) );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $title;
|
||||
}
|
||||
add_filter( 'nav_menu_item_title', 'twentyseventeen_dropdown_icon_to_menu_link', 10, 4 );
|
||||
|
||||
/**
|
||||
* Returns an array of supported social links (URL and icon name).
|
||||
*
|
||||
* @return array $social_links_icons
|
||||
*/
|
||||
function twentyseventeen_social_links_icons() {
|
||||
// Supported social links icons.
|
||||
$social_links_icons = array(
|
||||
'behance.net' => 'behance',
|
||||
'codepen.io' => 'codepen',
|
||||
'deviantart.com' => 'deviantart',
|
||||
'digg.com' => 'digg',
|
||||
'docker.com' => 'dockerhub',
|
||||
'dribbble.com' => 'dribbble',
|
||||
'dropbox.com' => 'dropbox',
|
||||
'facebook.com' => 'facebook',
|
||||
'flickr.com' => 'flickr',
|
||||
'foursquare.com' => 'foursquare',
|
||||
'plus.google.com' => 'google-plus',
|
||||
'github.com' => 'github',
|
||||
'instagram.com' => 'instagram',
|
||||
'linkedin.com' => 'linkedin',
|
||||
'mailto:' => 'envelope-o',
|
||||
'medium.com' => 'medium',
|
||||
'pinterest.com' => 'pinterest-p',
|
||||
'pscp.tv' => 'periscope',
|
||||
'getpocket.com' => 'get-pocket',
|
||||
'reddit.com' => 'reddit-alien',
|
||||
'skype.com' => 'skype',
|
||||
'skype:' => 'skype',
|
||||
'slideshare.net' => 'slideshare',
|
||||
'snapchat.com' => 'snapchat-ghost',
|
||||
'soundcloud.com' => 'soundcloud',
|
||||
'spotify.com' => 'spotify',
|
||||
'stumbleupon.com' => 'stumbleupon',
|
||||
'tumblr.com' => 'tumblr',
|
||||
'twitch.tv' => 'twitch',
|
||||
'twitter.com' => 'twitter',
|
||||
'vimeo.com' => 'vimeo',
|
||||
'vine.co' => 'vine',
|
||||
'vk.com' => 'vk',
|
||||
'wordpress.org' => 'wordpress',
|
||||
'wordpress.com' => 'wordpress',
|
||||
'yelp.com' => 'yelp',
|
||||
'youtube.com' => 'youtube',
|
||||
);
|
||||
|
||||
/**
|
||||
* Filter Twenty Seventeen social links icons.
|
||||
*
|
||||
* @since Twenty Seventeen 1.0
|
||||
*
|
||||
* @param array $social_links_icons Array of social links icons.
|
||||
*/
|
||||
return apply_filters( 'twentyseventeen_social_links_icons', $social_links_icons );
|
||||
}
|
||||
Reference in New Issue
Block a user