<?PHP // $Id$
global $CFG, $USER, $THEME;

require_once("../../config.php");
require_once("lib.php");

require_variable($id);    // Course Module ID
optional_variable($e);    // EntryID

optional_variable($currentview);   // categories if by category?
optional_variable($cat);    // CategoryID

if (! $cm = get_record("course_modules", "id", $id)) {
    error("Course Module ID was incorrect");
}

if (! $course = get_record("course", "id", $cm->course)) {
    error("Course is misconfigured");
}

require_login($course->id);

if (isguest()) {
    error("Guests are not allowed to edit glossaries", $_SERVER["HTTP_REFERER"]);
}

if (! $glossary = get_record("glossary", "id", $cm->instance)) {
    error("Course module is incorrect");
}

if ($e) {
     $form = get_record("glossary_entries", "id", $e);

     $newentry->id = $form->id;
     $newentry->concept = $form->concept;
     $newentry->definition = $form->definition;
     $newentry->format = $form->format;
     $newentry->timemodified = time();

     $entry->id = $form->id;
     $entry->text = $form->definition;
     $entry->format = $form->format;
} else {
     if ($form = data_submitted()) {
     /// If data submitted, then process and store.
          $timenow = time();

          $form->text = clean_text($form->text, $form->format);

          if ($entry) {
                $newentry->id = $entry;
                $newentry->course = $glossary->course;
                $newentry->glossaryid = $glossary->id;
                $newentry->concept = $form->concept;
                $newentry->definition = $form->text;
                $newentry->format = $form->format;
                $newentry->timemodified = time();		
                $newentry->teacherentry = isteacher($course->id,$USER->id);

                $PermissionGranted = 1;
                if ( !$glossary->allowduplicatedentries ) {
          	     $dupentries = get_records("glossary_entries","UCASE(concept)", strtoupper($newentry->concept));
          	     if ($dupentries) {
                         foreach ($dupentries as $curentry) {
                              if ( $curentry->id != $entry) {
                                   $PermissionGranted = 0;
                              }
                         }
    	               }
                }
                if ( $PermissionGranted ) {
                    $newentry->attachment = $_FILES["attachment"];
                    if ($newfilename = glossary_add_attachment($newentry, $newentry->attachment)) {
                         $newentry->attachment = $newfilename;
                    } else {
                         unset($newentry->attachment);
                    }
                    if (! update_record("glossary_entries", $newentry)) {
               	    error("Could not update your glossary");
               	} else {
                        add_to_log($course->id, "glossary", "update entry", "view.php?id=$cm->id&eid=$newentry->id", "$newentry->id");
           	     }
                } else {
               	error("Could not update this glossary entry because this concept already exist.");
                }
          } else {
                $newentry->userid = $USER->id;
                $newentry->course = $glossary->course;
                $newentry->glossaryid = $glossary->id;
                $newentry->concept = $form->concept;
                $newentry->definition = $form->text;
                $newentry->format = $form->format;
                $newentry->timecreated = time();
                $newentry->timemodified = time();
                $newentry->teacherentry = isteacher($course->id,$USER->id);

                $PermissionGranted = 1;
                if ( !$glossary->allowduplicatedentries ) {
                       $dupentries = get_record("glossary_entries","UCASE(concept)", strtoupper($newentry->concept));
                       if ($dupentries) {
                              $PermissionGranted = 0;
                       }
                }
                if ( $PermissionGranted ) {
                       if (! $newentry->id = insert_record("glossary_entries", $newentry)) {
                             error("Could not insert this new entry");
                       } else {
                              $newentry->attachment = $_FILES["attachment"];
                              if ($newfilename = glossary_add_attachment($newentry, $newentry->attachment)) {
                                   $newentry->attachment = $newfilename;
                              } else {
                                   unset($newentry->attachment);
                              }
                              set_field("glossary_entries", "attachment", $newfilename, "id", $newentry->id);

                              add_to_log($course->id, "glossary", "add entry", "view.php?id=$cm->id&eid=$newentry->id&currentview=$currentview&cat=$cat", "$newentry->id");
                       }
                } else {
                    error("Could not insert this glossary entry because this concept already exist.");
                }
          }

           delete_records("glossary_entries_categories","entryid",$entry);

           if ( $categories ) {
                $newcategory->entryid = $newentry->id;
                foreach ($categories as $category) {
                    $newcategory->categoryid =$category;
                    insert_record("glossary_entries_categories",$newcategory);
                }
           }
          redirect("view.php?id=$cm->id&eid=$newentry->id&currentview=$currentview&cat=$cat");
          die;
     }
}
/// Otherwise fill and print the form.

$strglossary = get_string("modulename", "glossary");
$strglossaries = get_string("modulenameplural", "glossary");
$stredit = get_string("edit");

if ($usehtmleditor = can_use_richtext_editor()) {
    $defaultformat = FORMAT_HTML;
    $onsubmit = "onsubmit=\"copyrichtext(theform.text);\"";
} else {
    $defaultformat = FORMAT_MOODLE;
    $onsubmit = "";
}

if (empty($entry)) {
    $entry->text = "";
    $entry->format = $defaultformat;
}

print_header("$course->shortname: $glossary->name", "$course->fullname",
             "<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</A> -> 
              <A HREF=\"index.php?id=$course->id\">$strglossaries</A> -> 
              <A HREF=\"view.php?id=$cm->id\">$glossary->name</A> -> $stredit", "theform.text",
              "", true, "", navmenu($course, $cm));

echo "<CENTER>\n";

print_simple_box( text_to_html($glossary->name) , "center");

echo "<BR>";

include("edit.html");

print_footer($course);

?>