Add TplCore Smarty templates ressource to make core templates easily overloadable

example/templates/empty.tpl

@@ -0,0 +1,10 @@
+{extends file='TplCore:empty.tpl'}
+{block name="navbar-extra-content"}
+<form class="d-flex" role="search" action='item'>
+  <div class="input-group input-group-sm me-2">
+    <input class="form-control" type="search" name="pattern"
+      placeholder="{t}Search{/t}" aria-label="{t}Search{/t}">
+    <span class="input-group-text"><i class="fa fa-search" aria-hidden="true"></i></span>
+  </div>
+</form>
+{/block}

src/Tpl.php

@@ -160,6 +160,7 @@ class Tpl {
     self :: $smarty->setTemplateDir(self :: $core_templates_directory);
     self :: $smarty->setCompileDir($templates_c_dir);
     self :: $smarty->registerResource('Tpl', new TplSmartyResource());
+    self :: $smarty->registerResource('TplCore', new TplSmartyResource(true));
     $debug_ajax = App::get('templates.debug_ajax', null, 'bool');
     self :: $_debug_ajax = boolval($debug_ajax);
     Log :: register_fatal_error_handler(array('\\EesyPHP\\Tpl', 'fatal_error'));
@@ -617,10 +618,13 @@ class Tpl {
   /**
    * Resolve templates path against registered templates directories
    * @param string $path
+   * @param bool $core_only Core only mode (optional, default: false)
    * @return string|false
    */
-  public static function resolve_templates_path($path) {
+  public static function resolve_templates_path($path, $core_only=false) {
     foreach(array_keys(self :: $templates_directories) as $dir) {
+      if ($core_only && $dir != self :: $core_templates_directory)
+        continue;
       $fullpath = "$dir/$path";
       if (file_exists($fullpath)) {
         Log::trace('Templates file "%s" resolved as "%s"', $path, $fullpath);
@@ -635,11 +639,12 @@ class Tpl {
   * Return the content of a Smarty template file.
   *
   * @param string $template The template name (eg: base.tpl)
+  * @param bool $core_only Core only mode (optional, default: false)
   *
   * @return string The content of the Smarty template file
   **/
-  public static function get_template_source($template) {
+  public static function get_template_source($template, $core_only=false) {
-    $path = self :: resolve_templates_path($template);
+    $path = self :: resolve_templates_path($template, $core_only);
     if (!is_readable($path)) {
       // No error return with Smarty3 and highter because it's call
       // template name in lower first systematically
@@ -653,11 +658,12 @@ class Tpl {
   * template file.
   *
   * @param string $template The template name (eg: empty.tpl)
+  * @param bool $core_only Core only mode (optional, default: false)
   *
   * @return int|null The timestamp of the last change of the Smarty template file
   **/
-  public static function get_template_timestamp($template) {
+  public static function get_template_timestamp($template, $core_only=false) {
-    $path = self :: resolve_templates_path($template);
+    $path = self :: resolve_templates_path($template, $core_only);
     if (is_file($path)) {
       $time = filemtime($path);
       if ($time)

src/TplSmartyResource.php

@@ -11,10 +11,17 @@ use Smarty_Resource_Custom;
  */
 class TplSmartyResource extends Smarty_Resource_Custom {
 
-  // prepared fetch() statement
+  // Core only templates
-  protected $fetch;
+  protected $core_only;
-  // prepared fetchTimestamp() statement
+
-  protected $mtime;
+  /**
+   * Constructor
+   * @param bool $core_only Core only mode (optional, default: false)
+   * @return void
+   */
+  public function __construct($core_only=false) {
+    $this -> core_only = $core_only;
+  }
 
   /**
    * Fetch a template and its modification time
@@ -25,8 +32,8 @@ class TplSmartyResource extends Smarty_Resource_Custom {
    * @return void
    */
   protected function fetch($name, &$source, &$mtime) {
-    $source = Tpl :: get_template_source($name);
+    $source = Tpl :: get_template_source($name, $this -> core_only);
-    $mtime = Tpl :: get_template_timestamp($name);
+    $mtime = Tpl :: get_template_timestamp($name, $this -> core_only);
   }
 
   /**
@@ -39,6 +46,6 @@ class TplSmartyResource extends Smarty_Resource_Custom {
    * @return integer timestamp (epoch) the template was modified
    */
   protected function fetchTimestamp($name) {
-    return Tpl :: get_template_timestamp($name);
+    return Tpl :: get_template_timestamp($name, $this -> core_only);
   }
 }

templates/empty.tpl

@@ -31,16 +31,23 @@
 {block name="body"}
 
   {block name="navbar"}
-  <header class="p-3 mb-3 border-bottom">
+  <header>
-    <div class="container">
+    <nav class="{block name="navbar-class"}navbar navbar-expand-lg{/block}" {block name="navbar-extra-args"}{/block}>
-      <div class="d-flex flex-wrap align-items-center justify-content-center justify-content-lg-start">
+      <div class="{block name="navbar-container-class"}container{/block}">
         {block name="navbar-brand"}
-        <a href="/" class="d-flex align-items-center mb-2 mb-lg-0 text-dark text-decoration-none">
+        <a class="navbar-brand me-3" href="#">
           <img id="logo" src="{static_url path="images/logo.svg"}" alt="Logo" title="Logo"/>
         </a>
         {/block}
 
-        <ul class="pr-2 nav col-12 col-lg-auto me-lg-auto mb-2 justify-content-center mb-md-0">
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse"
+          data-bs-target="#navbar-menu" aria-controls="navbar-menu" aria-expanded="false"
+          aria-label="Toggle navigation">
+          <span class="navbar-toggler-icon"></span>
+        </button>
+
+        <div class="collapse navbar-collapse" id="navbar-menu">
+          <ul class="navbar-nav me-auto mb-2 mb-lg-0">
             {block name="navbar-menu"}
             {/block}
           </ul>
@@ -49,9 +56,10 @@
 
           {block name="navbar-user"}
           {if isset($auth_user) && $auth_user}
-        <div class="dropdown text-end">
+          <ul class="navbar-nav text-end">
+            <li class="nav-item dropdown">
               {block name="navbar-user-name"}
-          <a href="#" class="d-block link-dark text-decoration-none dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
+              <a class="nav-link active dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
                 <i class="fa fa-user-circle" aria-hidden="true"></i>
                 {$auth_user->name|escape:"htmlall"}
               </a>
@@ -61,21 +69,23 @@
                 {block name="navbar-user-menu-content"}{/block}
                 <li>
                   <a class="dropdown-item" href="logout">
-                <i class="fas fa-sign-out-alt"></i> {t domain=$CORE_TEXT_DOMAIN}Sign out{/t}
+                    <i class="fa fa-sign-out"></i> {t domain=$CORE_TEXT_DOMAIN}Sign out{/t}
                   </a>
                 </li>
               </ul>
               {/block}
-        </div>
+            </li>
+          </ul>
           {/if}
           {/block}
         </div>
       </div>
+    </div>
   </header>
   {/block}
 
   {block name="main"}
-  <main class="flex-shrink-0">
+  <main class="flex-shrink-0 mt-2">
     <div class="container">
       {block name="pagetitle"}{if $pagetitle}<h1 class="mt-5">{$pagetitle}</h1>{/if}{/block}
       {include file='Tpl:errors.tpl'}