96 lines
2.0 KiB
PHP
96 lines
2.0 KiB
PHP
<?php
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/**
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* Handles finding templates from a stack of template manifest objects.
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*
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* @package framework
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* @subpackage manifest
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*/
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class SS_TemplateLoader {
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/**
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* @var SS_TemplateLoader
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*/
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private static $instance;
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/**
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* @var SS_TemplateManifest[]
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*/
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protected $manifests = array();
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/**
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* @return SS_TemplateLoader
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*/
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public static function instance() {
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return self::$instance ? self::$instance : self::$instance = new self();
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}
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/**
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* Returns the currently active template manifest instance.
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*
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* @return SS_TemplateManifest
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*/
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public function getManifest() {
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return $this->manifests[count($this->manifests) - 1];
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}
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/**
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* @param SS_TemplateManifest $manifest
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*/
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public function pushManifest(SS_TemplateManifest $manifest) {
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$this->manifests[] = $manifest;
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}
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/**
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* @return SS_TemplateManifest
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*/
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public function popManifest() {
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return array_pop($this->manifests);
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}
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/**
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* Attempts to find possible candidate templates from a set of template
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* names and a theme.
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*
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* The template names can be passed in as plain strings, or be in the
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* format "type/name", where type is the type of template to search for
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* (e.g. Includes, Layout).
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*
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* @param string|array $templates
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* @param string $theme
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* @return array
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*/
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public function findTemplates($templates, $theme = null) {
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$result = array();
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foreach ((array) $templates as $template) {
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$found = false;
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if (strpos($template, '/')) {
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list($type, $template) = explode('/', $template, 2);
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} else {
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$type = null;
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}
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if ($candidates = $this->getManifest()->getTemplate($template)) {
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if ($theme && isset($candidates['themes'][$theme])) {
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$found = $candidates['themes'][$theme];
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} else {
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unset($candidates['themes']);
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$found = $candidates;
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}
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if ($found) {
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if ($type && isset($found[$type])) {
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$found = array('main' => $found[$type]);
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}
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$result = array_merge($found, $result);
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}
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}
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}
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return $result;
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}
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}
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