273 lines
9.7 KiB
PHP
273 lines
9.7 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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extract( $r, EXTR_SKIP );
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$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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$bookmark->recently_updated = false;
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$output .= $before;
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if ( $show_updated && $bookmark->recently_updated )
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$output .= get_option('links_recently_updated_prepend');
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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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$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 ( $show_updated )
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if ( '00' != substr($bookmark->link_updated_f, 0, 2) ) {
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$title .= ' (';
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$title .= sprintf(__('Last updated: %s'), date(get_option('links_updated_date_format'), $bookmark->link_updated_f + (get_option('gmt_offset') * HOUR_IN_SECONDS)));
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$title .= ')';
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}
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$alt = ' alt="' . $name . ( $show_description ? ' ' . $title : '' ) . '"';
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if ( '' != $title )
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$title = ' title="' . $title . '"';
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$rel = $bookmark->link_rel;
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if ( '' != $rel )
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$rel = ' rel="' . esc_attr($rel) . '"';
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$target = $bookmark->link_target;
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if ( '' != $target )
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$target = ' target="' . $target . '"';
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$output .= '<a href="' . $the_link . '"' . $rel . $title . $target . '>';
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$output .= $link_before;
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if ( $bookmark->link_image != null && $show_images ) {
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if ( strpos($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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if ( $show_name )
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$output .= " $name";
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} else {
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$output .= $name;
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}
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$output .= $link_after;
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$output .= '</a>';
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if ( $show_updated && $bookmark->recently_updated )
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$output .= get_option('links_recently_updated_append');
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if ( $show_description && '' != $desc )
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$output .= $between . $desc;
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if ( $show_rating )
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$output .= $between . sanitize_bookmark_field('link_rating', $bookmark->link_rating, $bookmark->link_id, 'display');
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$output .= "$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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extract( $r, EXTR_SKIP );
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$output = '';
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if ( $categorize ) {
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$cats = get_terms( 'link_category', array( 'name__like' => $category_name, 'include' => $category, 'exclude' => $exclude_category, 'orderby' => $category_orderby, 'order' => $category_order, 'hierarchical' => 0 ) );
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if ( empty( $cats ) )
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$categorize = false;
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}
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if ( $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($bookmarks) )
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continue;
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$output .= str_replace(array('%id', '%class'), array("linkcat-$cat->term_id", $class), $category_before);
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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 .= "$title_before$catname$title_after\n\t<ul class='xoxo blogroll'>\n";
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$output .= _walk_bookmarks($bookmarks, $r);
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$output .= "\n\t</ul>\n$category_after\n";
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}
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} else {
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//output one single list using title_li for the title
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$bookmarks = get_bookmarks($r);
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if ( !empty($bookmarks) ) {
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if ( !empty( $title_li ) ){
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$output .= str_replace(array('%id', '%class'), array("linkcat-$category", $class), $category_before);
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$output .= "$title_before$title_li$title_after\n\t<ul class='xoxo blogroll'>\n";
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$output .= _walk_bookmarks($bookmarks, $r);
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$output .= "\n\t</ul>\n$category_after\n";
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} else {
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$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 $output The HTML list of bookmarks.
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*/
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$output = apply_filters( 'wp_list_bookmarks', $output );
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if ( !$echo )
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return $output;
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echo $output;
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}
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