Added "graphical structure".

Added label_get_participants() function.

mod/label/backuplib.php

@@ -2,6 +2,20 @@
     //This php script contains all the stuff to backup/restore
     //label mods
 
+    //This is the "graphical" structure of the label mod:
+    //
+    //                       label
+    //                     (CL,pk->id)
+    //
+    // Meaning: pk->primary key field of the table
+    //          fk->foreign key to link with parent
+    //          nt->nested field (recursive data)
+    //          CL->course level info
+    //          UL->user level info
+    //          files->table may have files)
+    //
+    //-----------------------------------------------------------
+
     //This function executes all the backup procedure about this mod
     function label_backup_mods($bf,$preferences) {
         global $CFG;

mod/label/lib.php

@@ -72,4 +72,11 @@ function label_user_complete($course, $user, $mod, $label) {
     return false;
 }
 
+function label_get_participants($labelid) {
+//Returns the users with data in one resource
+//(NONE, byt must exists on EVERY mod !!)
+
+    return false;
+}
+
 ?>

mod/label/restorelib.php

@@ -2,6 +2,20 @@
     //This php script contains all the stuff to backup/restore
     //label mods
 
+    //This is the "graphical" structure of the label mod:   
+    //
+    //                       label 
+    //                    (CL,pk->id)
+    //
+    // Meaning: pk->primary key field of the table
+    //          fk->foreign key to link with parent
+    //          nt->nested field (recursive data)
+    //          CL->course level info
+    //          UL->user level info
+    //          files->table may have files)
+    //
+    //-----------------------------------------------------------
+
     //This function executes all the restore procedure about this mod
     function label_restore_mods($mod,$restore) {
 
@@ -19,7 +33,7 @@
             //print_object ($GLOBALS['traverse_array']);                                                  //Debug
             //$GLOBALS['traverse_array']="";                                                              //Debug
           
-            //Now, build the RESOURCE record structure
+            //Now, build the LABEL record structure
             $label->course = $restore->course_id;
             $label->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
             $label->content = backup_todb($info['MOD']['#']['CONTENT']['0']['#']);