312 lines
10 KiB
PHP
312 lines
10 KiB
PHP
<?php
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/**
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* Bookmark Template Functions for usage in Themes
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*
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* @package WordPress
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* @subpackage Template
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*/
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/**
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* The formatted output of a list of bookmarks.
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*
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* The $bookmarks array must contain bookmark objects and will be iterated over
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* to retrieve the bookmark to be used in the output.
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*
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* The output is formatted as HTML with no way to change that format. However,
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* what is between, before, and after can be changed. The link itself will be
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* HTML.
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*
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* This function is used internally by wp_list_bookmarks() and should not be
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* used by themes.
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*
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* The defaults for overwriting are:
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* 'show_updated' - Default is 0 (integer). Will show the time of when the
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* bookmark was last updated.
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* 'show_description' - Default is 0 (integer). Whether to show the description
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* of the bookmark.
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* 'show_images' - Default is 1 (integer). Whether to show link image if
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* available.
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* 'show_name' - Default is 0 (integer). Whether to show link name if
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* available.
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* 'before' - Default is '<li>' (string). The html or text to prepend to each
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* bookmarks.
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* 'after' - Default is '</li>' (string). The html or text to append to each
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* bookmarks.
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* 'link_before' - Default is '' (string). The html or text to prepend to each
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* bookmarks inside the <a> tag.
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* 'link_after' - Default is '' (string). The html or text to append to each
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* bookmarks inside the <a> tag.
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* 'between' - Default is '\n' (string). The string for use in between the link,
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* description, and image.
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* 'show_rating' - Default is 0 (integer). Whether to show the link rating.
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*
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* @since 2.1.0
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* @access private
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*
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* @param array $bookmarks List of bookmarks to traverse
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* @param string|array $args Optional. Overwrite the defaults.
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* @return string Formatted output in HTML
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*/
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function _walk_bookmarks( $bookmarks, $args = '' ) {
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$defaults = array(
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'show_updated' => 0, 'show_description' => 0,
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'show_images' => 1, 'show_name' => 0,
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'before' => '<li>', 'after' => '</li>', 'between' => "\n",
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'show_rating' => 0, 'link_before' => '', 'link_after' => ''
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);
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$r = wp_parse_args( $args, $defaults );
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$output = ''; // Blank string to start with.
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foreach ( (array) $bookmarks as $bookmark ) {
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if ( ! isset( $bookmark->recently_updated ) ) {
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$bookmark->recently_updated = false;
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}
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$output .= $r['before'];
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if ( $r['show_updated'] && $bookmark->recently_updated ) {
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$output .= '<em>';
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}
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$the_link = '#';
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if ( ! empty( $bookmark->link_url ) ) {
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$the_link = esc_url( $bookmark->link_url );
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}
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$desc = esc_attr( sanitize_bookmark_field( 'link_description', $bookmark->link_description, $bookmark->link_id, 'display' ) );
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$name = esc_attr( sanitize_bookmark_field( 'link_name', $bookmark->link_name, $bookmark->link_id, 'display' ) );
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$title = $desc;
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if ( $r['show_updated'] ) {
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if ( '00' != substr( $bookmark->link_updated_f, 0, 2 ) ) {
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$title .= ' (';
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$title .= sprintf(
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__('Last updated: %s'),
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date(
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get_option( 'links_updated_date_format' ),
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$bookmark->link_updated_f + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS )
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)
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);
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$title .= ')';
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}
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}
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$alt = ' alt="' . $name . ( $r['show_description'] ? ' ' . $title : '' ) . '"';
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if ( '' != $title ) {
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$title = ' title="' . $title . '"';
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}
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$rel = $bookmark->link_rel;
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if ( '' != $rel ) {
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$rel = ' rel="' . esc_attr($rel) . '"';
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}
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$target = $bookmark->link_target;
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if ( '' != $target ) {
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$target = ' target="' . $target . '"';
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}
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$output .= '<a href="' . $the_link . '"' . $rel . $title . $target . '>';
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$output .= $r['link_before'];
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if ( $bookmark->link_image != null && $r['show_images'] ) {
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if ( strpos( $bookmark->link_image, 'http' ) === 0 ) {
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$output .= "<img src=\"$bookmark->link_image\" $alt $title />";
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} else { // If it's a relative path
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$output .= "<img src=\"" . get_option('siteurl') . "$bookmark->link_image\" $alt $title />";
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}
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if ( $r['show_name'] ) {
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$output .= " $name";
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}
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} else {
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$output .= $name;
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}
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$output .= $r['link_after'];
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$output .= '</a>';
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if ( $r['show_updated'] && $bookmark->recently_updated ) {
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$output .= '</em>';
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}
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if ( $r['show_description'] && '' != $desc ) {
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$output .= $r['between'] . $desc;
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}
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if ( $r['show_rating'] ) {
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$output .= $r['between'] . sanitize_bookmark_field(
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'link_rating',
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$bookmark->link_rating,
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$bookmark->link_id,
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'display'
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);
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}
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$output .= $r['after'] . "\n";
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} // end while
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return $output;
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}
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/**
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* Retrieve or echo all of the bookmarks.
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*
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* List of default arguments are as follows:
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* 'orderby' - Default is 'name' (string). How to order the links by. String is
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* based off of the bookmark scheme.
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* 'order' - Default is 'ASC' (string). Either 'ASC' or 'DESC'. Orders in either
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* ascending or descending order.
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* 'limit' - Default is -1 (integer) or show all. The amount of bookmarks to
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* display.
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* 'category' - Default is empty string (string). Include the links in what
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* category ID(s).
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* 'category_name' - Default is empty string (string). Get links by category
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* name.
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* 'hide_invisible' - Default is 1 (integer). Whether to show (default) or hide
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* links marked as 'invisible'.
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* 'show_updated' - Default is 0 (integer). Will show the time of when the
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* bookmark was last updated.
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* 'echo' - Default is 1 (integer). Whether to echo (default) or return the
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* formatted bookmarks.
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* 'categorize' - Default is 1 (integer). Whether to show links listed by
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* category (default) or show links in one column.
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* 'show_description' - Default is 0 (integer). Whether to show the description
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* of the bookmark.
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*
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* These options define how the Category name will appear before the category
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* links are displayed, if 'categorize' is 1. If 'categorize' is 0, then it will
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* display for only the 'title_li' string and only if 'title_li' is not empty.
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* 'title_li' - Default is 'Bookmarks' (translatable string). What to show
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* before the links appear.
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* 'title_before' - Default is '<h2>' (string). The HTML or text to show before
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* the 'title_li' string.
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* 'title_after' - Default is '</h2>' (string). The HTML or text to show after
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* the 'title_li' string.
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* 'class' - Default is 'linkcat' (string). The CSS class to use for the
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* 'title_li'.
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*
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* 'category_before' - Default is '<li id="%id" class="%class">'. String must
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* contain '%id' and '%class' to get
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* the id of the category and the 'class' argument. These are used for
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* formatting in themes.
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* Argument will be displayed before the 'title_before' argument.
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* 'category_after' - Default is '</li>' (string). The HTML or text that will
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* appear after the list of links.
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*
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* These are only used if 'categorize' is set to 1 or true.
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* 'category_orderby' - Default is 'name'. How to order the bookmark category
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* based on term scheme.
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* 'category_order' - Default is 'ASC'. Set the order by either ASC (ascending)
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* or DESC (descending).
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*
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* @see _walk_bookmarks() For other arguments that can be set in this function
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* and passed to _walk_bookmarks().
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* @see get_bookmarks() For other arguments that can be set in this function and
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* passed to get_bookmarks().
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* @link http://codex.wordpress.org/Template_Tags/wp_list_bookmarks
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*
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* @since 2.1.0
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* @uses _walk_bookmarks() Used to iterate over all of the bookmarks and return
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* the html
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* @uses get_terms() Gets all of the categories that are for links.
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*
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* @param string|array $args Optional. Overwrite the defaults of the function
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* @return string|null Will only return if echo option is set to not echo.
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* Default is not return anything.
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*/
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function wp_list_bookmarks( $args = '' ) {
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$defaults = array(
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'orderby' => 'name', 'order' => 'ASC',
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'limit' => -1, 'category' => '', 'exclude_category' => '',
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'category_name' => '', 'hide_invisible' => 1,
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'show_updated' => 0, 'echo' => 1,
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'categorize' => 1, 'title_li' => __('Bookmarks'),
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'title_before' => '<h2>', 'title_after' => '</h2>',
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'category_orderby' => 'name', 'category_order' => 'ASC',
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'class' => 'linkcat', 'category_before' => '<li id="%id" class="%class">',
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'category_after' => '</li>'
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);
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$r = wp_parse_args( $args, $defaults );
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$output = '';
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if ( $r['categorize'] ) {
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$cats = get_terms( 'link_category', array(
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'name__like' => $r['category_name'],
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'include' => $r['category'],
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'exclude' => $r['exclude_category'],
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'orderby' => $r['category_orderby'],
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'order' => $r['category_order'],
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'hierarchical' => 0
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) );
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if ( empty( $cats ) ) {
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$r['categorize'] = false;
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}
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}
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if ( $r['categorize'] ) {
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// Split the bookmarks into ul's for each category
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foreach ( (array) $cats as $cat ) {
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$params = array_merge( $r, array( 'category' => $cat->term_id ) );
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$bookmarks = get_bookmarks( $params );
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if ( empty( $bookmarks ) ) {
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continue;
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}
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$output .= str_replace(
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array( '%id', '%class' ),
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array( "linkcat-$cat->term_id", $r['class'] ),
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$r['category_before']
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);
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/**
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* Filter the bookmarks category name.
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*
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* @since 2.2.0
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*
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* @param string $cat_name The category name of bookmarks.
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*/
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$catname = apply_filters( 'link_category', $cat->name );
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$output .= $r['title_before'];
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$output .= $catname;
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$output .= $r['title_after'];
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$output .= "\n\t<ul class='xoxo blogroll'>\n";
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$output .= _walk_bookmarks( $bookmarks, $r );
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$output .= "\n\t</ul>\n";
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$output .= $r['category_after'] . "\n";
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}
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} else {
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//output one single list using title_li for the title
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$bookmarks = get_bookmarks( $r );
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if ( ! empty( $bookmarks ) ) {
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if ( ! empty( $r['title_li'] ) ) {
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$output .= str_replace(
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array( '%id', '%class' ),
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array( "linkcat-" . $r['category'], $r['class'] ),
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$r['category_before']
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);
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$output .= $r['title_before'];
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$output .= $r['title_li'];
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$output .= $r['title_after'];
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$output .= "\n\t<ul class='xoxo blogroll'>\n";
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$output .= _walk_bookmarks( $bookmarks, $r );
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$output .= "\n\t</ul>\n";
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$output .= $r['category_after'] . "\n";
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} else {
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$output .= _walk_bookmarks( $bookmarks, $r );
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}
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}
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}
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/**
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* Filter the bookmarks list before it is echoed or returned.
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*
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* @since 2.5.0
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*
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* @param string $html The HTML list of bookmarks.
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*/
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$html = apply_filters( 'wp_list_bookmarks', $output );
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if ( ! $r['echo'] ) {
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return $html;
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}
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echo $html;
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}
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