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Refactor template location code to reduce duplication.

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Also make it easier for theme authors to pull in seperate files into templates while making theme overrideable. See #7492.

git-svn-id: https://develop.svn.wordpress.org/trunk@8624 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Peter Westwood 2008-08-12 20:18:05 +00:00
parent 3d1b545642
commit da46c93af9
2 changed files with 67 additions and 88 deletions
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29
wp-includes/general-template.php
View File

@ -4,37 +4,28 @@
function get_header() { function get_header() {
do_action( 'get_header' ); do_action( 'get_header' );
if ( file_exists( STYLESHEETPATH . '/header.php') ) if ('' == locate_template(array('header.php'), true))
load_template( STYLESHEETPATH . '/header.php');
elseif ( file_exists( TEMPLATEPATH . '/header.php') )
load_template( TEMPLATEPATH . '/header.php');
else
load_template( get_theme_root() . '/default/header.php'); load_template( get_theme_root() . '/default/header.php');
} }
function get_footer() { function get_footer() {
do_action( 'get_footer' ); do_action( 'get_footer' );
if ( file_exists( STYLESHEETPATH . '/footer.php') ) if ('' == locate_template(array('footer.php'), true))
load_template( STYLESHEETPATH . '/footer.php');
elseif ( file_exists( TEMPLATEPATH . '/footer.php') )
load_template( TEMPLATEPATH . '/footer.php');
else
load_template( get_theme_root() . '/default/footer.php'); load_template( get_theme_root() . '/default/footer.php');
} }
function get_sidebar( $name = null ) { function get_sidebar( $name = null ) {
do_action( 'get_sidebar' ); do_action( 'get_sidebar' );
if ( isset($name) && file_exists( STYLESHEETPATH . "/sidebar-{$name}.php") )
load_template( STYLESHEETPATH . "/sidebar-{$name}.php"); $templates = array();
elseif ( isset($name) && file_exists( TEMPLATEPATH . "/sidebar-{$name}.php") ) if ( isset($name) )
load_template( TEMPLATEPATH . "/sidebar-{$name}.php"); $templates[] = "sidebar-{$name}.php";
elseif ( file_exists( STYLESHEETPATH . '/sidebar.php') )
load_template( STYLESHEETPATH . '/sidebar.php'); $templates[] = "sidebar.php";
elseif ( file_exists( TEMPLATEPATH . '/sidebar.php') )
load_template( TEMPLATEPATH . '/sidebar.php'); if ('' == locate_template($templates, true))
else
load_template( get_theme_root() . '/default/sidebar.php'); load_template( get_theme_root() . '/default/sidebar.php');
} }

126
wp-includes/theme.php
View File

@ -1,8 +1,10 @@
<?php <?php
/* /**
* @package WordPress
* @subpackage Themes
* @since 0.0
* Theme/template/stylesheet functions. * Theme/template/stylesheet functions.
*/ */
function get_stylesheet() { function get_stylesheet() {
return apply_filters('stylesheet', get_option('stylesheet')); return apply_filters('stylesheet', get_option('stylesheet'));
} }
@ -346,14 +348,8 @@ function get_theme_root_uri() {
} }
function get_query_template($type) { function get_query_template($type) {
$template = '';
$type = preg_replace( '|[^a-z0-9-]+|', '', $type ); $type = preg_replace( '|[^a-z0-9-]+|', '', $type );
if ( file_exists(STYLESHEETPATH . "/{$type}.php") ) return apply_filters("{$type}_template", locate_template(array("{$type}.php")));
$template = STYLESHEETPATH . "/{$type}.php";
elseif ( file_exists(TEMPLATEPATH . "/{$type}.php") )
$template = TEMPLATEPATH . "/{$type}.php";
return apply_filters("{$type}_template", $template);
} }
function get_404_template() { function get_404_template() {
@ -369,50 +365,28 @@ function get_author_template() {
} }
function get_category_template() { function get_category_template() {
$template = ''; $template =locate_template(array("category-" . absint( get_query_var('cat') ) . '.php',"category.php"));
if ( file_exists(STYLESHEETPATH . "/category-" . absint( get_query_var('cat') ) . '.php') )
$template = STYLESHEETPATH . "/category-" . absint( get_query_var('cat') ) . '.php';
elseif ( file_exists(TEMPLATEPATH . "/category-" . absint( get_query_var('cat') ) . '.php') )
$template = TEMPLATEPATH . "/category-" . absint( get_query_var('cat') ) . '.php';
elseif ( file_exists(STYLESHEETPATH . "/category.php") )
$template = STYLESHEETPATH . "/category.php";
elseif ( file_exists(TEMPLATEPATH . "/category.php") )
$template = TEMPLATEPATH . "/category.php";
return apply_filters('category_template', $template); return apply_filters('category_template', $template);
} }
function get_tag_template() { function get_tag_template() {
$template = ''; $template = locate_template(array("tag-" . absint( get_query_var('tag') ) . '.php',"tag.php"));
if ( file_exists(STYLESHEETPATH . "/tag-" . get_query_var('tag') . '.php') )
$template = STYLESHEETPATH . "/tag-" . get_query_var('tag') . '.php';
elseif ( file_exists(TEMPLATEPATH . "/tag-" . get_query_var('tag') . '.php') )
$template = TEMPLATEPATH . "/tag-" . get_query_var('tag') . '.php';
elseif ( file_exists(STYLESHEETPATH . "/tag.php") )
$template = STYLESHEETPATH . "/tag.php";
elseif ( file_exists(TEMPLATEPATH . "/tag.php") )
$template = TEMPLATEPATH . "/tag.php";
return apply_filters('tag_template', $template); return apply_filters('tag_template', $template);
} }
function get_taxonomy_template() { function get_taxonomy_template() {
$template = '';
$taxonomy = get_query_var('taxonomy'); $taxonomy = get_query_var('taxonomy');
$term = get_query_var('term'); $term = get_query_var('term');
if ( $taxonomy && $term && file_exists(STYLESHEETPATH . "/taxonomy-$taxonomy-$term.php") )
$template = STYLESHEETPATH . "/taxonomy-$taxonomy-$term.php";
elseif ( $taxonomy && $term && file_exists(TEMPLATEPATH . "/taxonomy-$taxonomy-$term.php") )
$template = TEMPLATEPATH . "/taxonomy-$taxonomy-$term.php";
elseif ( $taxonomy && file_exists(STYLESHEETPATH . "/taxonomy-$taxonomy.php") )
$template = STYLESHEETPATH . "/taxonomy-$taxonomy.php";
elseif ( $taxonomy && file_exists(TEMPLATEPATH . "/taxonomy-$taxonomy.php") )
$template = TEMPLATEPATH . "/taxonomy-$taxonomy.php";
elseif ( file_exists(STYLESHEETPATH . "/taxonomy.php") )
$template = STYLESHEETPATH . "/taxonomy.php";
elseif ( file_exists(TEMPLATEPATH . "/taxonomy.php") )
$template = TEMPLATEPATH . "/taxonomy.php";
$templates = array();
if ( $taxonomy && $term )
$templates[] = "taxonomy-$taxonomy-$term.php";
if ( $taxonomy )
$templates[] = "taxonomy-$taxonomy.php";
$templates[] = "taxonomy.php";
$template = locate_template($templates);
return apply_filters('taxonomy_template', $template); return apply_filters('taxonomy_template', $template);
} }
@ -421,17 +395,7 @@ function get_date_template() {
} }
function get_home_template() { function get_home_template() {
$template = ''; $template = locate_template(array('home.php','index.php'));
if ( file_exists(STYLESHEETPATH . "/home.php") )
$template = STYLESHEETPATH . "/home.php";
elseif ( file_exists(TEMPLATEPATH . "/home.php") )
$template = TEMPLATEPATH . "/home.php";
elseif ( file_exists(STYLESHEETPATH . "/index.php") )
$template = STYLESHEETPATH . "/index.php";
elseif ( file_exists(TEMPLATEPATH . "/index.php") )
$template = TEMPLATEPATH . "/index.php";
return apply_filters('home_template', $template); return apply_filters('home_template', $template);
} }
@ -444,18 +408,13 @@ function get_page_template() {
if ( 'default' == $template ) if ( 'default' == $template )
$template = ''; $template = '';
if ( !empty($template) && !validate_file($template) && file_exists(STYLESHEETPATH . "/$template") ) $templates = array();
$template = STYLESHEETPATH . "/$template"; if ( !empty($template) && !validate_file($template) )
elseif ( !empty($template) && !validate_file($template) && file_exists(TEMPLATEPATH . "/$template") ) $templates[] = $template;
$template = TEMPLATEPATH . "/$template";
elseif ( file_exists(STYLESHEETPATH . "/page.php") )
$template = STYLESHEETPATH . "/page.php";
elseif ( file_exists(TEMPLATEPATH . "/page.php") )
$template = TEMPLATEPATH . "/page.php";
else
$template = '';
return apply_filters('page_template', $template); $templates[] = "page.php";
return apply_filters('page_template', locate_template($templates));
} }
function get_paged_template() { function get_paged_template() {
@ -484,16 +443,45 @@ function get_attachment_template() {
} }
function get_comments_popup_template() { function get_comments_popup_template() {
if ( file_exists( STYLESHEETPATH . '/comments-popup.php') ) $template = locate_template(array("comments-popup.php"));
$template = STYLESHEETPATH . '/comments-popup.php'; if ('' == $template)
elseif ( file_exists( TEMPLATEPATH . '/comments-popup.php') )
$template = TEMPLATEPATH . '/comments-popup.php';
else
$template = get_theme_root() . '/default/comments-popup.php'; $template = get_theme_root() . '/default/comments-popup.php';
return apply_filters('comments_popup_template', $template); return apply_filters('comments_popup_template', $template);
} }
/**
* Returns the name of the highest priority template file that exists
*
* Searches in the STYLESHEETPATH before TEMPLATEPATH so that themes which
* inherit from a parent theme can just overload one file.
* @since 2.7
*
* @param array $template_names Array of template files to search for in priority order
* @param bool $load If true the template file will be loaded if it is found.
* @return string The template filename if one is located.
*/
function locate_template($template_names, $load = false) {
if (!is_array($template_names))
return '';
$located = '';
foreach($template_names as $template_name) {
if ( file_exists(STYLESHEETPATH . '/' . $template_name)) {
$located = STYLESHEETPATH . '/' . $template_name;
break;
} else if ( file_exists(TEMPLATEPATH . '/' . $template_name) ) {
$located = TEMPLATEPATH . '/' . $template_name;
break;
}
}
if ($load && '' != $located)
load_template($located);
return $located;
}
function load_template($_template_file) { function load_template($_template_file) {
global $posts, $post, $wp_did_header, $wp_did_template_redirect, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID; global $posts, $post, $wp_did_header, $wp_did_template_redirect, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID;