From 2c309dc22acf46e821273759222cb7fbef62fff6 Mon Sep 17 00:00:00 2001
From: martin <martin>
Date: Mon, 29 Jul 2002 15:45:46 +0000
Subject: [PATCH] Definition and use of new isediting() function for checking
 whether a user is not only in editing mode, but ALLOWED to be editing the
 current course. Used to show editing buttons etc

---
 course/social.php | 4 ++--
 course/weeks.php  | 8 ++++----
 index.php         | 6 +++---
 lib/moodlelib.php | 8 ++++++++
 4 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/course/social.php b/course/social.php
index b75d58b453..4c08863e97 100644
--- a/course/social.php
+++ b/course/social.php
@@ -33,7 +33,7 @@
               $readingicon[] = "<IMG SRC=\"../mod/reading/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"Reading\">";
           }
       }
-      if ($USER->editing) {
+      if (isediting($course->id)) {
           $readingdata[] = "<A HREF=\"mod.php?id=$course->id&section=0&add=reading\">Add reading...</A>";
           $readingicon[] = "&nbsp;";
       }
@@ -56,7 +56,7 @@
       if (isteacher($USER->id) || isadmin()) {
           print_simple_box("Admin", $align="CENTER", $width="100%", $color="$THEME->cellheading");
           $adminicon[]="<IMG SRC=\"../pix/i/edit.gif\" HEIGHT=16 WIDTH=16 ALT=\"Edit\">";
-          if ($USER->editing) {
+          if (isediting($course->id)) {
               $admindata[]="<A HREF=\"view.php?id=$course->id&edit=off\">Turn editing off</A>";
           } else {
               $admindata[]="<A HREF=\"view.php?id=$course->id&edit=on\">Turn editing on</A>";
diff --git a/course/weeks.php b/course/weeks.php
index 2fb3834d03..b73bcd5d4c 100644
--- a/course/weeks.php
+++ b/course/weeks.php
@@ -62,7 +62,7 @@
 
     if (isteacher($course->id)) {
         $adminicon[]="<IMG SRC=\"../pix/i/edit.gif\" HEIGHT=16 WIDTH=16 ALT=\"Edit\">";
-        if ($USER->editing) {
+        if (isediting($course->id)) {
             $admindata[]="<A HREF=\"view.php?id=$course->id&edit=off\">Turn editing off</A>";
         } else {
             $admindata[]="<A HREF=\"view.php?id=$course->id&edit=on\">Turn editing on</A>";
@@ -135,7 +135,7 @@
             $thisweek->id = insert_record("course_sections", $thisweek);
         }
 
-        if ($USER->editing) {
+        if (isediting($course->id)) {
             $thisweek->summary .= "&nbsp;<A HREF=editweek.php?id=$thisweek->id><IMG SRC=\"../pix/t/edit.gif\" BORDER=0 ALT=\"Edit summary\"></A></P>";
         }
 
@@ -152,7 +152,7 @@
                 echo "<IMG SRC=\"../mod/$mod->modname/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"$mod->modfullname\">";
                 echo " <A TITLE=\"$mod->modfullname\"";
                 echo "   HREF=\"../mod/$mod->modname/view.php?id=$mod->id\">$instancename</A>";
-                if ($USER->editing) {
+                if (isediting($course->id)) {
                     echo make_editing_buttons($mod->id);
                 }
                 echo "<BR>\n";
@@ -160,7 +160,7 @@
         }
         echo "</UL></P>\n";
 
-        if ($USER->editing) {
+        if (isediting($course->id)) {
             echo "<DIV ALIGN=right>";
             popup_form("$CFG->wwwroot/course/mod.php?id=$course->id&section=$week&add=", 
                         $modtypes, "section$week", "", "Add...");
diff --git a/index.php b/index.php
index b62f76cff1..7be9cf8938 100644
--- a/index.php
+++ b/index.php
@@ -28,7 +28,7 @@
     <TD VALIGN="TOP" NOWRAP>
       <? $readings = list_all_readings();
       
-         if ($site->newsitems > 0 or $readings or ($USER->editing and isadmin())) {
+         if ($site->newsitems > 0 or $readings or isediting($site->id)) {
       
              print_simple_box(get_string("mainmenu"), $align="CENTER", $width="100%", $color="$THEME->cellheading");
 
@@ -45,7 +45,7 @@
 	             echo "<LI>$reading";
                  }
              }
-             if ($USER->editing and isadmin()) {
+             if (isediting($site->id)) {
                  echo "<P align=right><A HREF=\"$CFG->wwwroot/course/mod.php?id=$site->id&section=0&add=reading\">".
                       get_string("addreading", "reading")."</A>...</P>";
              } else {
@@ -99,7 +99,7 @@
     </TD>
     <TD WIDTH="30%" VALIGN="TOP"> 
       <? 
-         if ($USER->editing and isadmin()) {
+         if (isediting($site->id)) {
              $site->summary .= "<BR><CENTER><A HREF=\"admin/site.php\"><IMG SRC=\"pix/i/edit.gif\" BORDER=0></A>";
          }
          print_simple_box($site->summary, "", "100%", $THEME->cellheading);
diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 8d40bb7b0a..def4c7c1b8 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -948,6 +948,14 @@ function isguest($userid=0) {
     return record_exists_sql("SELECT * FROM user WHERE user='$userid' AND username = 'guest' ");
 }
 
+function isediting($courseid, $user=NULL) {
+    global $USER;
+    if (!$user){
+        $user = $USER;
+    }
+    return ($user->editing and isteacher($courseid, $user->id));
+}
+
 function reset_login_count() {
     global $SESSION;
 
-- 
2.39.5