From 721312bd2c963c47190a5719e1baaaba3feff75a Mon Sep 17 00:00:00 2001
From: jerome mouneyrac <jerome@moodle.com>
Date: Wed, 20 Jan 2010 09:58:17 +0000
Subject: [PATCH] administration MDL-21392 add hidesavebutton() for
 admin_settingpage class

---
 admin/settings.php |  4 +++-
 lib/adminlib.php   | 13 ++++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/admin/settings.php b/admin/settings.php
index 12f94f56fec..f99070b3e55 100644
--- a/admin/settings.php
+++ b/admin/settings.php
@@ -126,7 +126,9 @@ if (empty($SITE->fullname)) {
 
     echo $settingspage->output_html();
 
-    echo '<div class="form-buttons"><input class="form-submit" type="submit" value="'.get_string('savechanges','admin').'" /></div>';
+    if ($settingspage->displaysavebutton) {
+        echo '<div class="form-buttons"><input class="form-submit" type="submit" value="'.get_string('savechanges','admin').'" /></div>';
+    }
 
     echo '</div>';
     echo '</form>';
diff --git a/lib/adminlib.php b/lib/adminlib.php
index 600b010d9a3..b386a88a4da 100644
--- a/lib/adminlib.php
+++ b/lib/adminlib.php
@@ -1005,6 +1005,9 @@ class admin_settingpage implements part_of_admin_tree {
     public $path;
     public $visiblepath;
 
+    /** display the save changes button **/
+    public $displaysavebutton;
+
     /**
      * see admin_settingpage for details of this function
      *
@@ -1026,6 +1029,7 @@ class admin_settingpage implements part_of_admin_tree {
         }
         $this->hidden      = $hidden;
         $this->context     = $context;
+        $this->displaysavebutton = true;
     }
 
     /**
@@ -1048,6 +1052,13 @@ class admin_settingpage implements part_of_admin_tree {
         }
     }
 
+    /**
+     * Hide the Save Changes button
+     */
+    public function hidesavebutton() {
+       $this->displaysavebutton = false;
+    }
+
     /**
      * Search string in settings page.
      *
@@ -5253,7 +5264,7 @@ function admin_externalpage_print_header($focus='') {
     $section = $PAGE->url->param('section');
     $current = $adminroot->locate($section, true);
     $visiblepathtosection = array_reverse($current->visiblepath);
-
+    
     if ($PAGE->user_allowed_editing()) {
         $options = $PAGE->url->params();
         if ($PAGE->user_is_editing()) {