swad-core/swad_degree.c

// swad_degree.c: degrees

/*
    SWAD (Shared Workspace At a Distance),
    is a web platform developed at the University of Granada (Spain),
    and used to support university teaching.

    This file is part of SWAD core.
    Copyright (C) 1999-2019 Antonio Ca<EFBFBD>as Vargas

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/********************************* Headers ***********************************/
/*****************************************************************************/

#include <ctype.h>		// For isprint, isspace, etc.
#include <linux/stddef.h>	// For NULL
#include <stdbool.h>		// For boolean type
#include <stdio.h>		// For fprintf, etc.
#include <stdlib.h>		// For exit, system, calloc, free, etc.
#include <string.h>		// For string functions
#include <mysql/mysql.h>	// To access MySQL databases

#include "swad_box.h"
#include "swad_changelog.h"
#include "swad_config.h"
#include "swad_database.h"
#include "swad_degree.h"
#include "swad_degree_type.h"
#include "swad_exam.h"
#include "swad_form.h"
#include "swad_global.h"
#include "swad_help.h"
#include "swad_hierarchy.h"
#include "swad_indicator.h"
#include "swad_info.h"
#include "swad_language.h"
#include "swad_logo.h"
#include "swad_notification.h"
#include "swad_parameter.h"
#include "swad_QR.h"
#include "swad_RSS.h"
#include "swad_string.h"
#include "swad_tab.h"
#include "swad_table.h"
#include "swad_theme.h"

/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/

extern struct Globals Gbl;

/*****************************************************************************/
/*************************** Public constants ********************************/
/*****************************************************************************/

/*****************************************************************************/
/***************************** Private types *********************************/
/*****************************************************************************/

typedef enum
  {
   Deg_FIRST_YEAR,
   Deg_LAST_YEAR,
  } Deg_FirstOrLastYear_t;

/*****************************************************************************/
/**************************** Private variables ******************************/
/*****************************************************************************/

static struct Degree *Deg_EditingDeg = NULL;	// Static variable to keep the degree being edited

/*****************************************************************************/
/**************************** Private prototypes *****************************/
/*****************************************************************************/

static void Deg_Configuration (bool PrintView);
static void Deg_PutIconsToPrintAndUpload (void);
static void Deg_ShowNumUsrsInCrssOfDeg (Rol_Role_t Role);

static void Deg_ListDegreesForEdition (void);
static bool Deg_CheckIfICanEditADegree (struct Degree *Deg);
static Deg_StatusTxt_t Deg_GetStatusTxtFromStatusBits (Deg_Status_t Status);
static Deg_Status_t Deg_GetStatusBitsFromStatusTxt (Deg_StatusTxt_t StatusTxt);
static void Deg_PutFormToCreateDegree (void);
static void Deg_PutHeadDegreesForSeeing (void);
static void Deg_PutHeadDegreesForEdition (void);
static void Deg_CreateDegree (unsigned Status);

static void Deg_ListDegrees (void);
static bool Deg_CheckIfICanCreateDegrees (void);
static void Deg_PutIconsListingDegrees (void);
static void Deg_PutIconToEditDegrees (void);
static void Deg_ListOneDegreeForSeeing (struct Degree *Deg,unsigned NumDeg);

static void Deg_EditDegreesInternal (void);
static void Deg_PutIconsEditingDegrees (void);

static void Deg_RecFormRequestOrCreateDeg (unsigned Status);
static void Deg_PutParamOtherDegCod (long DegCod);

static void Deg_GetDataOfDegreeFromRow (struct Degree *Deg,MYSQL_ROW row);

static void Deg_RenameDegree (struct Degree *Deg,Cns_ShrtOrFullName_t ShrtOrFullName);
static bool Deg_CheckIfDegNameExistsInCtr (const char *FieldName,const char *Name,
                                           long DegCod,long CtrCod);
static void Deg_UpdateDegNameDB (long DegCod,const char *FieldName,const char *NewDegName);

static void Deg_UpdateDegCtrDB (long DegCod,long CtrCod);
static void Deg_UpdateDegWWWDB (long DegCod,const char NewWWW[Cns_MAX_BYTES_WWW + 1]);

static void Deg_ShowAlertAndButtonToGoToDeg (void);
static void Deg_PutParamGoToDeg (void);

static void Deg_EditingDegreeConstructor (void);
static void Deg_EditingDegreeDestructor (void);

/*****************************************************************************/
/******************* List degrees with pending courses ***********************/
/*****************************************************************************/

void Deg_SeeDegWithPendingCrss (void)
  {
   extern const char *Hlp_SYSTEM_Hierarchy_pending;
   extern const char *Txt_Degrees_with_pending_courses;
   extern const char *Txt_Degree;
   extern const char *Txt_Courses_ABBREVIATION;
   extern const char *Txt_There_are_no_degrees_with_requests_for_courses_to_be_confirmed;
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;
   unsigned NumDegs;
   unsigned NumDeg;
   struct Degree Deg;
   const char *BgColor;

   /***** Get degrees with pending courses *****/
   switch (Gbl.Usrs.Me.Role.Logged)
     {
      case Rol_DEG_ADM:
         NumDegs = (unsigned) DB_QuerySELECT (&mysql_res,"can not get degrees"
							 " with pending courses",
					      "SELECT courses.DegCod,COUNT(*)"
					      " FROM admin,courses,degrees"
					      " WHERE admin.UsrCod=%ld AND admin.Scope='%s'"
					      " AND admin.Cod=courses.DegCod"
					      " AND (courses.Status & %u)<>0"
					      " AND courses.DegCod=degrees.DegCod"
					      " GROUP BY courses.DegCod ORDER BY degrees.ShortName",
					      Gbl.Usrs.Me.UsrDat.UsrCod,
					      Sco_GetDBStrFromScope (Hie_DEG),
					      (unsigned) Crs_STATUS_BIT_PENDING);
         break;
      case Rol_SYS_ADM:
         NumDegs = (unsigned) DB_QuerySELECT (&mysql_res,"can not get degrees"
							 " with pending courses",
					      "SELECT courses.DegCod,COUNT(*)"
					      " FROM courses,degrees"
					      " WHERE (courses.Status & %u)<>0"
					      " AND courses.DegCod=degrees.DegCod"
					      " GROUP BY courses.DegCod ORDER BY degrees.ShortName",
					      (unsigned) Crs_STATUS_BIT_PENDING);
         break;
      default:	// Forbidden for other users
	 return;
     }

   /***** Get degrees *****/
   if (NumDegs)
     {
      /***** Start box and table *****/
      Box_StartBoxTable (NULL,Txt_Degrees_with_pending_courses,NULL,
                         Hlp_SYSTEM_Hierarchy_pending,Box_NOT_CLOSABLE,2);

      /***** Write heading *****/
      fprintf (Gbl.F.Out,"<tr>"
                         "<th class=\"LEFT_MIDDLE\">"
                         "%s"
                         "</th>"
                         "<th class=\"RIGHT_MIDDLE\">"
                         "%s"
                         "</th>"
                         "</tr>",
               Txt_Degree,
               Txt_Courses_ABBREVIATION);

      /***** List the degrees *****/
      for (NumDeg = 0;
	   NumDeg < NumDegs;
	   NumDeg++)
        {
         /* Get next degree */
         row = mysql_fetch_row (mysql_res);

         /* Get degree code (row[0]) */
         Deg.DegCod = Str_ConvertStrCodToLongCod (row[0]);
         BgColor = (Deg.DegCod == Gbl.Hierarchy.Deg.DegCod) ? "LIGHT_BLUE" :
                                                               Gbl.ColorRows[Gbl.RowEvenOdd];

         /* Get data of degree */
         Deg_GetDataOfDegreeByCod (&Deg);

         /* Degree logo and full name */
         fprintf (Gbl.F.Out,"<tr>"
	                    "<td class=\"LEFT_MIDDLE %s\">",
                  BgColor);
         Deg_DrawDegreeLogoAndNameWithLink (&Deg,ActSeeCrs,
                                            "DAT_NOBR","CENTER_MIDDLE");
         fprintf (Gbl.F.Out,"</td>");

         /* Number of pending courses (row[1]) */
         fprintf (Gbl.F.Out,"<td class=\"DAT RIGHT_MIDDLE %s\">"
	                    "%s"
	                    "</td>"
	                    "</tr>",
                  BgColor,row[1]);

         Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
        }

      /***** End table and box *****/
      Box_EndBoxTable ();
     }
   else
      Ale_ShowAlert (Ale_INFO,Txt_There_are_no_degrees_with_requests_for_courses_to_be_confirmed);

   /***** Free structure that stores the query result *****/
   DB_FreeMySQLResult (&mysql_res);
  }

/*****************************************************************************/
/******************** Draw degree logo and name with link ********************/
/*****************************************************************************/

void Deg_DrawDegreeLogoAndNameWithLink (struct Degree *Deg,Act_Action_t Action,
                                        const char *ClassLink,const char *ClassLogo)
  {
   extern const char *Txt_Go_to_X;

   /***** Start form *****/
   Frm_StartFormGoTo (Action);
   Deg_PutParamDegCod (Deg->DegCod);

   /***** Link to action *****/
   snprintf (Gbl.Title,sizeof (Gbl.Title),
	     Txt_Go_to_X,
	     Deg->FullName);
   Frm_LinkFormSubmit (Gbl.Title,ClassLink,NULL);

   /***** Draw degree logo *****/
   Log_DrawLogo (Hie_DEG,Deg->DegCod,Deg->ShrtName,16,ClassLogo,true);

   /***** End link *****/
   fprintf (Gbl.F.Out,"&nbsp;%s</a>",Deg->FullName);

   /***** End form *****/
   Frm_EndForm ();
  }

/*****************************************************************************/
/****************** Show information of the current degree *******************/
/*****************************************************************************/

void Deg_ShowConfiguration (void)
  {
   Deg_Configuration (false);

   /***** Show help to enrol me *****/
   Hlp_ShowHelpWhatWouldYouLikeToDo ();
  }

/*****************************************************************************/
/****************** Print information of the current degree ******************/
/*****************************************************************************/

void Deg_PrintConfiguration (void)
  {
   Deg_Configuration (true);
  }

/*****************************************************************************/
/******************* Information of the current degree ***********************/
/*****************************************************************************/

static void Deg_Configuration (bool PrintView)
  {
   extern const char *Hlp_DEGREE_Information;
   extern const char *The_ClassFormInBox[The_NUM_THEMES];
   extern const char *Txt_Centre;
   extern const char *Txt_Degree;
   extern const char *Txt_Short_name;
   extern const char *Txt_Web;
   extern const char *Txt_Shortcut;
   extern const char *Lan_STR_LANG_ID[1 + Lan_NUM_LANGUAGES];
   extern const char *Txt_Courses;
   extern const char *Txt_Courses_of_DEGREE_X;
   extern const char *Txt_QR_code;
   unsigned NumCtr;
   bool PutLink;

   /***** Trivial check *****/
   if (Gbl.Hierarchy.Deg.DegCod <= 0)		// No degree selected
      return;

   /***** Start box *****/
   if (PrintView)
      Box_StartBox (NULL,NULL,NULL,
		    NULL,Box_NOT_CLOSABLE);
   else
      Box_StartBox (NULL,NULL,Deg_PutIconsToPrintAndUpload,
		    Hlp_DEGREE_Information,Box_NOT_CLOSABLE);

   /***** Title *****/
   PutLink = !PrintView && Gbl.Hierarchy.Deg.WWW[0];
   fprintf (Gbl.F.Out,"<div class=\"FRAME_TITLE FRAME_TITLE_BIG\">");
   if (PutLink)
      fprintf (Gbl.F.Out,"<a href=\"%s\" target=\"_blank\""
			 " class=\"FRAME_TITLE_BIG\" title=\"%s\">",
	       Gbl.Hierarchy.Deg.WWW,
	       Gbl.Hierarchy.Deg.FullName);
   Log_DrawLogo (Hie_DEG,Gbl.Hierarchy.Deg.DegCod,
		 Gbl.Hierarchy.Deg.ShrtName,64,NULL,true);
   fprintf (Gbl.F.Out,"<br />%s",
	    Gbl.Hierarchy.Deg.FullName);
   if (PutLink)
      fprintf (Gbl.F.Out,"</a>");
   fprintf (Gbl.F.Out,"</div>");

   /***** Start table *****/
   Tbl_StartTableWide (2);

   /***** Centre *****/
   fprintf (Gbl.F.Out,"<tr>"
		      "<td class=\"RIGHT_MIDDLE\">"
		      "<label for=\"OthCtrCod\" class=\"%s\">%s:</label>"
		      "</td>"
		      "<td class=\"DAT_N LEFT_MIDDLE\">",
	    The_ClassFormInBox[Gbl.Prefs.Theme],
	    Txt_Centre);

   if (!PrintView &&
       Gbl.Usrs.Me.Role.Logged >= Rol_INS_ADM)
      // Only institution admins and system admin can move a degree to another centre
     {
      /* Get list of centres of the current institution */
      Ctr_GetListCentres (Gbl.Hierarchy.Ins.InsCod);

      /* Put form to select centre */
      Frm_StartForm (ActChgDegCtrCfg);
      fprintf (Gbl.F.Out,"<select id=\"OthCtrCod\" name=\"OthCtrCod\""
			 " class=\"INPUT_SHORT_NAME\""
			 " onchange=\"document.getElementById('%s').submit();\">",
	       Gbl.Form.Id);
      for (NumCtr = 0;
	   NumCtr < Gbl.Hierarchy.Ins.Ctrs.Num;
	   NumCtr++)
	 fprintf (Gbl.F.Out,"<option value=\"%ld\"%s>%s</option>",
		  Gbl.Hierarchy.Ins.Ctrs.Lst[NumCtr].CtrCod,
		  Gbl.Hierarchy.Ins.Ctrs.Lst[NumCtr].CtrCod == Gbl.Hierarchy.Ctr.CtrCod ? " selected=\"selected\"" :
									     "",
		  Gbl.Hierarchy.Ins.Ctrs.Lst[NumCtr].ShrtName);
      fprintf (Gbl.F.Out,"</select>");
      Frm_EndForm ();

      /* Free list of centres */
      Ctr_FreeListCentres ();
     }
   else	// I can not move degree to another centre
      fprintf (Gbl.F.Out,"%s",Gbl.Hierarchy.Ctr.FullName);

   fprintf (Gbl.F.Out,"</td>"
		      "</tr>");

   /***** Degree full name *****/
   fprintf (Gbl.F.Out,"<tr>"
		      "<td class=\"RIGHT_MIDDLE\">"
		      "<label for=\"FullName\" class=\"%s\">%s:</label>"
		      "</td>"
		      "<td class=\"DAT_N LEFT_MIDDLE\">",
	    The_ClassFormInBox[Gbl.Prefs.Theme],
	    Txt_Degree);
   if (!PrintView &&
       Gbl.Usrs.Me.Role.Logged >= Rol_CTR_ADM)
      // Only centre admins, institution admins and system admins
      // can edit degree full name
     {
      /* Form to change degree full name */
      Frm_StartForm (ActRenDegFulCfg);
      fprintf (Gbl.F.Out,"<input type=\"text\""
			 " id=\"FullName\" name=\"FullName\""
			 " maxlength=\"%u\" value=\"%s\""
			 " class=\"INPUT_FULL_NAME\""
			 " onchange=\"document.getElementById('%s').submit();\" />",
	       Hie_MAX_CHARS_FULL_NAME,
	       Gbl.Hierarchy.Deg.FullName,
	       Gbl.Form.Id);
      Frm_EndForm ();
     }
   else	// I can not edit degree full name
      fprintf (Gbl.F.Out,"%s",Gbl.Hierarchy.Deg.FullName);
   fprintf (Gbl.F.Out,"</td>"
		      "</tr>");

   /***** Degree short name *****/
   fprintf (Gbl.F.Out,"<tr>"
		      "<td class=\"RIGHT_MIDDLE\">"
		      "<label for=\"ShortName\" class=\"%s\">%s:</label>"
		      "</td>"
		      "<td class=\"DAT_N LEFT_MIDDLE\">",
	    The_ClassFormInBox[Gbl.Prefs.Theme],
	    Txt_Short_name);
   if (!PrintView &&
       Gbl.Usrs.Me.Role.Logged >= Rol_CTR_ADM)
      // Only centre admins, institution admins and system admins
      // can edit degree short name
     {
      /* Form to change degree short name */
      Frm_StartForm (ActRenDegShoCfg);
      fprintf (Gbl.F.Out,"<input type=\"text\""
			 " id=\"ShortName\" name=\"ShortName\""
			 " maxlength=\"%u\" value=\"%s\""
			 " class=\"INPUT_SHORT_NAME\""
			 " onchange=\"document.getElementById('%s').submit();\" />",
	       Hie_MAX_CHARS_SHRT_NAME,
	       Gbl.Hierarchy.Deg.ShrtName,
	       Gbl.Form.Id);
      Frm_EndForm ();
     }
   else	// I can not edit degree short name
      fprintf (Gbl.F.Out,"%s",Gbl.Hierarchy.Deg.ShrtName);
   fprintf (Gbl.F.Out,"</td>"
		      "</tr>");

   /***** Degree WWW *****/
   fprintf (Gbl.F.Out,"<tr>"
		      "<td class=\"RIGHT_MIDDLE\">"
		      "<label for=\"WWW\" class=\"%s\">%s:</label>"
		      "</td>"
		      "<td class=\"DAT LEFT_MIDDLE\">",
	    The_ClassFormInBox[Gbl.Prefs.Theme],
	    Txt_Web);
   if (!PrintView &&
       Gbl.Usrs.Me.Role.Logged >= Rol_DEG_ADM)
      // Only degree admins, centre admins, institution admins
      // and system admins can change degree WWW
     {
      /* Form to change degree WWW */
      Frm_StartForm (ActChgDegWWWCfg);
      fprintf (Gbl.F.Out,"<input type=\"url\" id=\"WWW\" name=\"WWW\""
			 " maxlength=\"%u\" value=\"%s\""
			 " class=\"INPUT_WWW\""
			 " onchange=\"document.getElementById('%s').submit();\" />",
	       Cns_MAX_CHARS_WWW,
	       Gbl.Hierarchy.Deg.WWW,
	       Gbl.Form.Id);
      Frm_EndForm ();
     }
   else	// I can not change degree WWW
      fprintf (Gbl.F.Out,"<div class=\"EXTERNAL_WWW_LONG\">"
			 "<a href=\"%s\" target=\"_blank\" class=\"DAT\">"
			 "%s"
			 "</a>"
			 "</div>",
	       Gbl.Hierarchy.Deg.WWW,
	       Gbl.Hierarchy.Deg.WWW);
   fprintf (Gbl.F.Out,"</td>"
		      "</tr>");

   /***** Shortcut to the degree *****/
   fprintf (Gbl.F.Out,"<tr>"
		      "<td class=\"%s RIGHT_MIDDLE\">"
		      "%s:"
		      "</td>"
		      "<td class=\"DAT LEFT_MIDDLE\">"
		      "<a href=\"%s/%s?deg=%ld\" class=\"DAT\" target=\"_blank\">"
		      "%s/%s?deg=%ld"
		      "</a>"
		      "</td>"
		      "</tr>",
	    The_ClassFormInBox[Gbl.Prefs.Theme],
	    Txt_Shortcut,
	    Cfg_URL_SWAD_CGI,
	    Lan_STR_LANG_ID[Gbl.Prefs.Language],
	    Gbl.Hierarchy.Deg.DegCod,
	    Cfg_URL_SWAD_CGI,
	    Lan_STR_LANG_ID[Gbl.Prefs.Language],
	    Gbl.Hierarchy.Deg.DegCod);

   if (PrintView)
     {
      /***** QR code with link to the degree *****/
      fprintf (Gbl.F.Out,"<tr>"
			 "<td class=\"%s RIGHT_MIDDLE\">"
			 "%s:"
			 "</td>"
			 "<td class=\"DAT LEFT_MIDDLE\">",
	       The_ClassFormInBox[Gbl.Prefs.Theme],
	       Txt_QR_code);
      QR_LinkTo (250,"deg",Gbl.Hierarchy.Deg.DegCod);
      fprintf (Gbl.F.Out,"</td>"
			 "</tr>");
     }
   else
     {
      /***** Number of courses *****/
      fprintf (Gbl.F.Out,"<tr>"
			 "<td class=\"%s RIGHT_MIDDLE\">"
			 "%s:"
			 "</td>"
			 "<td class=\"LEFT_MIDDLE\">",
	       The_ClassFormInBox[Gbl.Prefs.Theme],
	       Txt_Courses);

      /* Form to go to see courses of this degree */
      Frm_StartFormGoTo (ActSeeCrs);
      Deg_PutParamDegCod (Gbl.Hierarchy.Deg.DegCod);
      snprintf (Gbl.Title,sizeof (Gbl.Title),
		Txt_Courses_of_DEGREE_X,
		Gbl.Hierarchy.Deg.ShrtName);
      Frm_LinkFormSubmit (Gbl.Title,"DAT",NULL);
      fprintf (Gbl.F.Out,"%u</a>",
	       Crs_GetNumCrssInDeg (Gbl.Hierarchy.Deg.DegCod));
      Frm_EndForm ();

      fprintf (Gbl.F.Out,"</td>"
			 "</tr>");

      /***** Number of users *****/
      Deg_ShowNumUsrsInCrssOfDeg (Rol_TCH);
      Deg_ShowNumUsrsInCrssOfDeg (Rol_NET);
      Deg_ShowNumUsrsInCrssOfDeg (Rol_STD);
      Deg_ShowNumUsrsInCrssOfDeg (Rol_UNK);
     }

   /***** End table *****/
   Tbl_EndTable ();

   /***** End box *****/
   Box_EndBox ();
  }

/*****************************************************************************/
/************ Put contextual icons in configuration of a degree **************/
/*****************************************************************************/

static void Deg_PutIconsToPrintAndUpload (void)
  {
   /***** Link to print info about degree *****/
   Ico_PutContextualIconToPrint (ActPrnDegInf,NULL);

   if (Gbl.Usrs.Me.Role.Logged >= Rol_DEG_ADM)
      // Only degree admins, centre admins, institution admins and system admins
      // have permission to upload logo of the degree
      /***** Link to upload logo of degree *****/
      Log_PutIconToChangeLogo (Hie_DEG);
  }

/*****************************************************************************/
/***************** Number of users in courses of this degree *****************/
/*****************************************************************************/

static void Deg_ShowNumUsrsInCrssOfDeg (Rol_Role_t Role)
  {
   extern const char *The_ClassFormInBox[The_NUM_THEMES];
   extern const char *Txt_Users_in_courses;
   extern const char *Txt_ROLES_PLURAL_Abc[Rol_NUM_ROLES][Usr_NUM_SEXS];

   fprintf (Gbl.F.Out,"<tr>"
		      "<td class=\"%s RIGHT_MIDDLE\">"
		      "%s:"
		      "</td>"
		      "<td class=\"DAT LEFT_MIDDLE\">"
		      "%u"
		      "</td>"
		      "</tr>",
	    The_ClassFormInBox[Gbl.Prefs.Theme],
	    (Role == Rol_UNK) ? Txt_Users_in_courses :
		                Txt_ROLES_PLURAL_Abc[Role][Usr_SEX_UNKNOWN],
            Usr_GetNumUsrsInCrssOfDeg (Role,Gbl.Hierarchy.Deg.DegCod));
  }

/*****************************************************************************/
/*************************** Write selector of degree ************************/
/*****************************************************************************/

void Deg_WriteSelectorOfDegree (void)
  {
   extern const char *Txt_Degree;
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;
   unsigned NumDegs;
   unsigned NumDeg;
   long DegCod;

   /***** Start form *****/
   Frm_StartFormGoTo (ActSeeCrs);
   fprintf (Gbl.F.Out,"<select id=\"deg\" name=\"deg\" style=\"width:175px;\"");
   if (Gbl.Hierarchy.Ctr.CtrCod > 0)
      fprintf (Gbl.F.Out," onchange=\"document.getElementById('%s').submit();\"",
               Gbl.Form.Id);
   else
      fprintf (Gbl.F.Out," disabled=\"disabled\"");
   fprintf (Gbl.F.Out,">"
	              "<option value=\"\"");
   if (Gbl.Hierarchy.Deg.DegCod < 0)
      fprintf (Gbl.F.Out," selected=\"selected\"");
   fprintf (Gbl.F.Out," disabled=\"disabled\">[%s]</option>",
            Txt_Degree);

   if (Gbl.Hierarchy.Ctr.CtrCod > 0)
     {
      /***** Get degrees belonging to the current centre from database *****/
      NumDegs = (unsigned) DB_QuerySELECT (&mysql_res,"can not get degrees"
						      " of a centre",
					   "SELECT DegCod,ShortName"
					   " FROM degrees"
					   " WHERE CtrCod=%ld"
					   " ORDER BY ShortName",
					   Gbl.Hierarchy.Ctr.CtrCod);

      /***** Get degrees of this centre *****/
      for (NumDeg = 0;
	   NumDeg < NumDegs;
	   NumDeg++)
        {
         /* Get next degree */
         row = mysql_fetch_row (mysql_res);

         /* Get degree code (row[0]) */
         if ((DegCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
            Lay_ShowErrorAndExit ("Wrong degree.");

         /* Write option */
         fprintf (Gbl.F.Out,"<option value=\"%ld\"",DegCod);
         if (Gbl.Hierarchy.Deg.DegCod > 0 &&
             (DegCod == Gbl.Hierarchy.Deg.DegCod))
	    fprintf (Gbl.F.Out," selected=\"selected\"");
         fprintf (Gbl.F.Out,">%s</option>",row[1]);
        }

      /***** Free structure that stores the query result *****/
      DB_FreeMySQLResult (&mysql_res);
     }

   /***** End form *****/
   fprintf (Gbl.F.Out,"</select>");
   Frm_EndForm ();
  }

/*****************************************************************************/
/************* Show the degrees belonging to the current centre **************/
/*****************************************************************************/

void Deg_ShowDegsOfCurrentCtr (void)
  {
   /***** Trivial check *****/
   if (Gbl.Hierarchy.Ctr.CtrCod <= 0)	// No centre selected
      return;

   /***** Get list of centres and degrees *****/
   Ctr_GetListCentres (Gbl.Hierarchy.Ins.InsCod);
   Deg_GetListDegsOfCurrentCtr ();

   /***** Write menu to select country, institution and centre *****/
   Hie_WriteMenuHierarchy ();

   /***** Show list of degrees *****/
   Deg_ListDegrees ();

   /***** Free list of degrees and centres *****/
   Deg_FreeListDegs (&Gbl.Hierarchy.Ctr.Degs);
   Ctr_FreeListCentres ();
  }

/*****************************************************************************/
/********************* List current degrees for edition **********************/
/*****************************************************************************/

static void Deg_ListDegreesForEdition (void)
  {
   extern const char *Txt_DEGREE_STATUS[Deg_NUM_STATUS_TXT];
   unsigned NumDeg;
   struct DegreeType *DegTyp;
   struct Degree *Deg;
   unsigned NumDegTyp;
   char WWW[Cns_MAX_BYTES_WWW + 1];
   struct UsrData UsrDat;
   bool ICanEdit;
   Deg_StatusTxt_t StatusTxt;
   unsigned NumCrss;

   /***** Initialize structure with user's data *****/
   Usr_UsrDataConstructor (&UsrDat);

   /***** Write heading *****/
   Tbl_StartTableWide (2);
   Deg_PutHeadDegreesForEdition ();

   /***** List the degrees *****/
   for (NumDeg = 0;
	NumDeg < Gbl.Hierarchy.Ctr.Degs.Num;
	NumDeg++)
     {
      Deg = &(Gbl.Hierarchy.Ctr.Degs.Lst[NumDeg]);

      NumCrss = Crs_GetNumCrssInDeg (Deg->DegCod);

      ICanEdit = Deg_CheckIfICanEditADegree (Deg);

      /* Put icon to remove degree */
      fprintf (Gbl.F.Out,"<tr>"
	                 "<td class=\"BM\">");
      if (NumCrss ||	// Degree has courses ==> deletion forbidden
	  !ICanEdit)
         Ico_PutIconRemovalNotAllowed ();
      else
        {
         Frm_StartForm (ActRemDeg);
         Deg_PutParamOtherDegCod (Deg->DegCod);
         Ico_PutIconRemove ();
         Frm_EndForm ();
        }
      fprintf (Gbl.F.Out,"</td>");

      /* Degree code */
      fprintf (Gbl.F.Out,"<td class=\"DAT CODE\">"
	                 "%ld"
	                 "</td>",
               Deg->DegCod);

      /* Degree logo */
      fprintf (Gbl.F.Out,"<td title=\"%s LEFT_MIDDLE\" style=\"width:25px;\">",
               Deg->FullName);
      Log_DrawLogo (Hie_DEG,Deg->DegCod,Deg->ShrtName,20,NULL,true);
      fprintf (Gbl.F.Out,"</td>");

      /* Degree short name */
      fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_MIDDLE\">");
      if (ICanEdit)
	{
	 Frm_StartForm (ActRenDegSho);
	 Deg_PutParamOtherDegCod (Deg->DegCod);
	 fprintf (Gbl.F.Out,"<input type=\"text\" name=\"ShortName\""
	                    " maxlength=\"%u\" value=\"%s\""
                            " class=\"INPUT_SHORT_NAME\""
			    " onchange=\"document.getElementById('%s').submit();\" />",
		  Hie_MAX_CHARS_SHRT_NAME,Deg->ShrtName,Gbl.Form.Id);
	 Frm_EndForm ();
	}
      else
	 fprintf (Gbl.F.Out,"%s",Deg->ShrtName);
      fprintf (Gbl.F.Out,"</td>");

      /* Degree full name */
      fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_MIDDLE\">");
      if (ICanEdit)
	{
	 Frm_StartForm (ActRenDegFul);
	 Deg_PutParamOtherDegCod (Deg->DegCod);
	 fprintf (Gbl.F.Out,"<input type=\"text\" name=\"FullName\""
	                    " maxlength=\"%u\" value=\"%s\""
                            " class=\"INPUT_FULL_NAME\""
			    " onchange=\"document.getElementById('%s').submit();\" />",
		  Hie_MAX_CHARS_FULL_NAME,Deg->FullName,Gbl.Form.Id);
	 Frm_EndForm ();
	}
      else
	 fprintf (Gbl.F.Out,"%s",Deg->FullName);
      fprintf (Gbl.F.Out,"</td>");

      /* Degree type */
      fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_MIDDLE\">");
      if (ICanEdit)
	{
	 Frm_StartForm (ActChgDegTyp);
	 Deg_PutParamOtherDegCod (Deg->DegCod);
	 fprintf (Gbl.F.Out,"<select name=\"OthDegTypCod\""
	                    " style=\"width:62px;\""
			    " onchange=\"document.getElementById('%s').submit();\">",
		  Gbl.Form.Id);
	 for (NumDegTyp = 0;
	      NumDegTyp < Gbl.DegTypes.Num;
	      NumDegTyp++)
	   {
	    DegTyp = &Gbl.DegTypes.Lst[NumDegTyp];
	    fprintf (Gbl.F.Out,"<option value=\"%ld\"%s>%s</option>",
		     DegTyp->DegTypCod,
		     (DegTyp->DegTypCod == Deg->DegTypCod) ? " selected=\"selected\"" :
			                                     "",
		     DegTyp->DegTypName);
	   }
	 fprintf (Gbl.F.Out,"</select>");
	 Frm_EndForm ();
	}
      else
	 for (NumDegTyp = 0;
	      NumDegTyp < Gbl.DegTypes.Num;
	      NumDegTyp++)
	    if (Gbl.DegTypes.Lst[NumDegTyp].DegTypCod == Deg->DegTypCod)
	       fprintf (Gbl.F.Out,"%s",Gbl.DegTypes.Lst[NumDegTyp].DegTypName);
      fprintf (Gbl.F.Out,"</td>");

      /* Degree WWW */
      fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_MIDDLE\">");
      if (ICanEdit)
	{
	 Frm_StartForm (ActChgDegWWW);
	 Deg_PutParamOtherDegCod (Deg->DegCod);
	 fprintf (Gbl.F.Out,"<input type=\"url\" name=\"WWW\""
	                    " maxlength=\"%u\" value=\"%s\""
                            " class=\"INPUT_WWW\""
			    " onchange=\"document.getElementById('%s').submit();\" />",
		  Cns_MAX_CHARS_WWW,Deg->WWW,Gbl.Form.Id);
	 Frm_EndForm ();
	}
      else
	{
         Str_Copy (WWW,Deg->WWW,
                   Cns_MAX_BYTES_WWW);
         fprintf (Gbl.F.Out,"<div class=\"EXTERNAL_WWW_SHORT\">"
                            "<a href=\"%s\" target=\"_blank\""
                            " class=\"DAT\" title=\"%s\">"
                            "%s"
                            "</a>"
                            "</div>",
                  Deg->WWW,Deg->WWW,WWW);
	}
      fprintf (Gbl.F.Out,"</td>");

      /* Current number of courses in this degree */
      fprintf (Gbl.F.Out,"<td class=\"DAT RIGHT_MIDDLE\">"
	                 "%u"
	                 "</td>",
               NumCrss);

      /* Degree requester */
      UsrDat.UsrCod = Deg->RequesterUsrCod;
      Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat,Usr_DONT_GET_PREFS);
      fprintf (Gbl.F.Out,"<td class=\"DAT INPUT_REQUESTER LEFT_TOP\">");
      Msg_WriteMsgAuthor (&UsrDat,true,NULL);
      fprintf (Gbl.F.Out,"</td>");

      /* Degree status */
      StatusTxt = Deg_GetStatusTxtFromStatusBits (Deg->Status);
      fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_MIDDLE\">");
      if (Gbl.Usrs.Me.Role.Logged >= Rol_CTR_ADM &&
	  StatusTxt == Deg_STATUS_PENDING)
	{
	 Frm_StartForm (ActChgDegSta);
	 Deg_PutParamOtherDegCod (Deg->DegCod);
	 fprintf (Gbl.F.Out,"<select name=\"Status\" class=\"INPUT_STATUS\""
			    " onchange=\"document.getElementById('%s').submit();\">"
			    "<option value=\"%u\" selected=\"selected\">%s</option>"
			    "<option value=\"%u\">%s</option>"
			    "</select>",
		  Gbl.Form.Id,
		  (unsigned) Deg_GetStatusBitsFromStatusTxt (Deg_STATUS_PENDING),
		  Txt_DEGREE_STATUS[Deg_STATUS_PENDING],
		  (unsigned) Deg_GetStatusBitsFromStatusTxt (Deg_STATUS_ACTIVE),
		  Txt_DEGREE_STATUS[Deg_STATUS_ACTIVE]);
	 Frm_EndForm ();
	}
      else if (StatusTxt != Deg_STATUS_ACTIVE)	// If active ==> do not show anything
	 fprintf (Gbl.F.Out,"%s",Txt_DEGREE_STATUS[StatusTxt]);
      fprintf (Gbl.F.Out,"</td>"
			 "</tr>");
     }

   /***** End table *****/
   Tbl_EndTable ();

   /***** Free memory used for user's data *****/
   Usr_UsrDataDestructor (&UsrDat);
  }

/*****************************************************************************/
/************** Check if I can edit, remove, etc. a degree *******************/
/*****************************************************************************/

static bool Deg_CheckIfICanEditADegree (struct Degree *Deg)
  {
   return (bool) (Gbl.Usrs.Me.Role.Logged >= Rol_CTR_ADM ||		// I am a centre administrator or higher
                  ((Deg->Status & Deg_STATUS_BIT_PENDING) != 0 &&		// Degree is not yet activated
                   Gbl.Usrs.Me.UsrDat.UsrCod == Deg->RequesterUsrCod));		// I am the requester
  }

/*****************************************************************************/
/******************* Set StatusTxt depending on status bits ******************/
/*****************************************************************************/
// Deg_STATUS_UNKNOWN = 0	// Other
// Deg_STATUS_ACTIVE  = 1	// 00 (Status == 0)
// Deg_STATUS_PENDING = 2	// 01 (Status == Deg_STATUS_BIT_PENDING)
// Deg_STATUS_REMOVED = 3	// 1- (Status & Deg_STATUS_BIT_REMOVED)

static Deg_StatusTxt_t Deg_GetStatusTxtFromStatusBits (Deg_Status_t Status)
  {
   if (Status == 0)
      return Deg_STATUS_ACTIVE;
   if (Status == Deg_STATUS_BIT_PENDING)
      return Deg_STATUS_PENDING;
   if (Status & Deg_STATUS_BIT_REMOVED)
      return Deg_STATUS_REMOVED;
   return Deg_STATUS_UNKNOWN;
  }

/*****************************************************************************/
/******************* Set status bits depending on StatusTxt ******************/
/*****************************************************************************/
// Deg_STATUS_UNKNOWN = 0	// Other
// Deg_STATUS_ACTIVE  = 1	// 00 (Status == 0)
// Deg_STATUS_PENDING = 2	// 01 (Status == Deg_STATUS_BIT_PENDING)
// Deg_STATUS_REMOVED = 3	// 1- (Status & Deg_STATUS_BIT_REMOVED)

static Deg_Status_t Deg_GetStatusBitsFromStatusTxt (Deg_StatusTxt_t StatusTxt)
  {
   switch (StatusTxt)
     {
      case Deg_STATUS_UNKNOWN:
      case Deg_STATUS_ACTIVE:
	 return (Deg_Status_t) 0;
      case Deg_STATUS_PENDING:
	 return Deg_STATUS_BIT_PENDING;
      case Deg_STATUS_REMOVED:
	 return Deg_STATUS_BIT_REMOVED;
     }
   return (Deg_Status_t) 0;
  }

/*****************************************************************************/
/*********************** Put a form to create a new degree *******************/
/*****************************************************************************/

static void Deg_PutFormToCreateDegree (void)
  {
   extern const char *Txt_New_degree;
   extern const char *Txt_Create_degree;
   struct DegreeType *DegTyp;
   unsigned NumDegTyp;

   /***** Start form *****/
   if (Gbl.Usrs.Me.Role.Logged >= Rol_CTR_ADM)
      Frm_StartForm (ActNewDeg);
   else if (Gbl.Usrs.Me.Role.Max >= Rol_GST)
      Frm_StartForm (ActReqDeg);
   else
      Lay_ShowErrorAndExit ("You can not edit degrees.");

   /***** Start box and table *****/
   Box_StartBoxTable (NULL,Txt_New_degree,NULL,
                      NULL,Box_NOT_CLOSABLE,2);

   /***** Write heading *****/
   Deg_PutHeadDegreesForEdition ();

   /***** Column to remove degree, disabled here *****/
   fprintf (Gbl.F.Out,"<tr>"
		      "<td class=\"BM\"></td>");

   /***** Degree code *****/
   fprintf (Gbl.F.Out,"<td class=\"CODE\"></td>");

   /***** Degree logo *****/
   fprintf (Gbl.F.Out,"<td class=\"LEFT_MIDDLE\" style=\"width:25px;\">");
   Log_DrawLogo (Hie_DEG,-1L,"",20,NULL,true);
   fprintf (Gbl.F.Out,"</td>");

   /***** Degree short name *****/
   fprintf (Gbl.F.Out,"<td class=\"LEFT_MIDDLE\">"
                      "<input type=\"text\" name=\"ShortName\""
                      " maxlength=\"%u\" value=\"%s\""
                      " class=\"INPUT_SHORT_NAME\""
                      " required=\"required\" />"
                      "</td>",
            Hie_MAX_CHARS_SHRT_NAME,Deg_EditingDeg->ShrtName);

   /***** Degree full name *****/
   fprintf (Gbl.F.Out,"<td class=\"LEFT_MIDDLE\">"
                      "<input type=\"text\" name=\"FullName\""
                      " maxlength=\"%u\" value=\"%s\""
                      " class=\"INPUT_FULL_NAME\""
                      " required=\"required\" />"
                      "</td>",
            Hie_MAX_CHARS_FULL_NAME,Deg_EditingDeg->FullName);

   /***** Degree type *****/
   fprintf (Gbl.F.Out,"<td class=\"LEFT_MIDDLE\">"
                      "<select name=\"OthDegTypCod\" style=\"width:62px;\">");
   for (NumDegTyp = 0;
	NumDegTyp < Gbl.DegTypes.Num;
	NumDegTyp++)
     {
      DegTyp = &Gbl.DegTypes.Lst[NumDegTyp];
      fprintf (Gbl.F.Out,"<option value=\"%ld\"%s>%s</option>",
	       DegTyp->DegTypCod,
	       DegTyp->DegTypCod == Deg_EditingDeg->DegTypCod ? " selected=\"selected\"" :
		                                                "",
	       DegTyp->DegTypName);
     }
   fprintf (Gbl.F.Out,"</select>"
	              "</td>");

   /***** Degree WWW *****/
   fprintf (Gbl.F.Out,"<td class=\"LEFT_MIDDLE\">"
                      "<input type=\"url\" name=\"WWW\""
                      " maxlength=\"%u\" value=\"%s\""
                      " class=\"INPUT_WWW\""
                      " required=\"required\" />"
                      "</td>",
            Cns_MAX_CHARS_WWW,Deg_EditingDeg->WWW);

   /***** Current number of courses in this degree *****/
   fprintf (Gbl.F.Out,"<td class=\"DAT RIGHT_MIDDLE\">"
	              "0"
	              "</td>");

   /***** Degree requester *****/
   fprintf (Gbl.F.Out,"<td class=\"DAT INPUT_REQUESTER LEFT_TOP\">");
   Msg_WriteMsgAuthor (&Gbl.Usrs.Me.UsrDat,true,NULL);
   fprintf (Gbl.F.Out,"</td>");

   /***** Degree status *****/
   fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_MIDDLE\">"
	              "</td>"
		      "</tr>");

   /***** End table, send button and end box *****/
   Box_EndBoxTableWithButton (Btn_CREATE_BUTTON,Txt_Create_degree);

   /***** End form *****/
   Frm_EndForm ();
  }

/*****************************************************************************/
/******************** Write header with fields of a degree *******************/
/*****************************************************************************/

static void Deg_PutHeadDegreesForSeeing (void)
  {
   extern const char *Txt_Degree;
   extern const char *Txt_Type;
   extern const char *Txt_Courses_ABBREVIATION;

   fprintf (Gbl.F.Out,"<tr>"
                      "<th class=\"BM\"></th>"
                      "<th></th>"
                      "<th class=\"LEFT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th class=\"LEFT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th class=\"RIGHT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th class=\"LEFT_MIDDLE\">"
                      "</th>"
                      "</tr>",
            Txt_Degree,
            Txt_Type,
            Txt_Courses_ABBREVIATION);
  }

/*****************************************************************************/
/******************** Write header with fields of a degree *******************/
/*****************************************************************************/

static void Deg_PutHeadDegreesForEdition (void)
  {
   extern const char *Txt_Code;
   extern const char *Txt_Short_name_of_the_degree;
   extern const char *Txt_Full_name_of_the_degree;
   extern const char *Txt_Type;
   extern const char *Txt_WWW;
   extern const char *Txt_Courses_ABBREVIATION;
   extern const char *Txt_Requester;

   fprintf (Gbl.F.Out,"<tr>"
                      "<th class=\"BM\"></th>"
                      "<th class=\"RIGHT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th></th>"
                      "<th class=\"LEFT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th class=\"LEFT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th class=\"LEFT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th class=\"LEFT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th class=\"RIGHT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th class=\"LEFT_MIDDLE\">"
                      "%s"
                      "</th>"
                      "<th class=\"LEFT_MIDDLE\">"
                      "</th>"
                      "</tr>",
            Txt_Code,
            Txt_Short_name_of_the_degree,
            Txt_Full_name_of_the_degree,
            Txt_Type,
            Txt_WWW,
            Txt_Courses_ABBREVIATION,
            Txt_Requester);
  }

/*****************************************************************************/
/******************** Convert string to year of a degree *********************/
/*****************************************************************************/

unsigned Deg_ConvStrToYear (const char *StrYear)
  {
   int Year;

   if (sscanf (StrYear,"%d",&Year) != 1)
      return 0;
   if (Year < 0)
      return 0;
   if (Year > Deg_MAX_YEARS_PER_DEGREE)
      return Deg_MAX_YEARS_PER_DEGREE;
   return (unsigned) Year;
  }

/*****************************************************************************/
/***************************** Create a new degree ***************************/
/*****************************************************************************/

static void Deg_CreateDegree (unsigned Status)
  {
   /***** Create a new degree *****/
   Deg_EditingDeg->DegCod =
   DB_QueryINSERTandReturnCode ("can not create a new degree",
				"INSERT INTO degrees (CtrCod,DegTypCod,Status,"
				"RequesterUsrCod,ShortName,FullName,WWW)"
				" VALUES (%ld,%ld,%u,%ld,'%s','%s','%s')",
				Deg_EditingDeg->CtrCod,
				Deg_EditingDeg->DegTypCod,
				Status,
				Gbl.Usrs.Me.UsrDat.UsrCod,
				Deg_EditingDeg->ShrtName,
				Deg_EditingDeg->FullName,
				Deg_EditingDeg->WWW);
  }

/*****************************************************************************/
/************** List degrees belonging to the current centre *****************/
/*****************************************************************************/

static void Deg_ListDegrees (void)
  {
   extern const char *Hlp_CENTRE_Degrees;
   extern const char *Txt_Degrees_of_CENTRE_X;
   extern const char *Txt_No_degrees;
   extern const char *Txt_Create_another_degree;
   extern const char *Txt_Create_degree;
   unsigned NumDeg;

   /***** Start box *****/
   snprintf (Gbl.Title,sizeof (Gbl.Title),
	     Txt_Degrees_of_CENTRE_X,
	     Gbl.Hierarchy.Ctr.ShrtName);
   Box_StartBox (NULL,Gbl.Title,Deg_PutIconsListingDegrees,
                 Hlp_CENTRE_Degrees,Box_NOT_CLOSABLE);

   if (Gbl.Hierarchy.Ctr.Degs.Num)	// There are degrees in the current centre
     {
      /***** Write heading *****/
      Tbl_StartTableWideMargin (2);
      Deg_PutHeadDegreesForSeeing ();

      /***** List the degrees *****/
      for (NumDeg = 0;
	   NumDeg < Gbl.Hierarchy.Ctr.Degs.Num;
	   NumDeg++)
	 Deg_ListOneDegreeForSeeing (&(Gbl.Hierarchy.Ctr.Degs.Lst[NumDeg]),NumDeg + 1);

      /***** End table *****/
      Tbl_EndTable ();
     }
   else	// No degrees created in the current centre
      Ale_ShowAlert (Ale_INFO,Txt_No_degrees);

   /***** Button to create degree *****/
   if (Deg_CheckIfICanCreateDegrees ())
     {
      Frm_StartForm (ActEdiDeg);
      Btn_PutConfirmButton (Gbl.Hierarchy.Ctr.Degs.Num ? Txt_Create_another_degree :
	                                                  Txt_Create_degree);
      Frm_EndForm ();
     }

   /***** End box *****/
   Box_EndBox ();
  }

/*****************************************************************************/
/********************** Check if I can create degrees ************************/
/*****************************************************************************/

static bool Deg_CheckIfICanCreateDegrees (void)
  {
   return (bool) (Gbl.Usrs.Me.Role.Logged >= Rol_GST);
  }

/*****************************************************************************/
/***************** Put contextual icons in list of degrees *******************/
/*****************************************************************************/

static void Deg_PutIconsListingDegrees (void)
  {
   /***** Put icon to edit degrees *****/
   if (Deg_CheckIfICanCreateDegrees ())
      Deg_PutIconToEditDegrees ();

   /***** Put icon to view degree types *****/
   DT_PutIconToViewDegreeTypes ();

   /***** Put icon to show a figure *****/
   Gbl.Figures.FigureType = Fig_HIERARCHY;
   Fig_PutIconToShowFigure ();
  }

/*****************************************************************************/
/********************** Put link (form) to edit degrees **********************/
/*****************************************************************************/

static void Deg_PutIconToEditDegrees (void)
  {
   Ico_PutContextualIconToEdit (ActEdiDeg,NULL);
  }

/*****************************************************************************/
/************************ List one degree for seeing *************************/
/*****************************************************************************/

static void Deg_ListOneDegreeForSeeing (struct Degree *Deg,unsigned NumDeg)
  {
   extern const char *Txt_DEGREE_With_courses;
   extern const char *Txt_DEGREE_Without_courses;
   extern const char *Txt_DEGREE_STATUS[Deg_NUM_STATUS_TXT];
   struct DegreeType DegTyp;
   const char *TxtClassNormal;
   const char *TxtClassStrong;
   const char *BgColor;
   Deg_StatusTxt_t StatusTxt;
   unsigned NumCrss;

   /***** Get number of courses in this degree *****/
   NumCrss = Crs_GetNumCrssInDeg (Deg->DegCod);

   /***** Get data of type of degree of this degree *****/
   DegTyp.DegTypCod = Deg->DegTypCod;
   if (!DT_GetDataOfDegreeTypeByCod (&DegTyp))
      Lay_ShowErrorAndExit ("Code of type of degree not found.");

   if (Deg->Status & Deg_STATUS_BIT_PENDING)
     {
      TxtClassNormal = "DAT_LIGHT";
      TxtClassStrong = "DAT_LIGHT";
     }
   else
     {
      TxtClassNormal = "DAT";
      TxtClassStrong = "DAT_N";
     }
   BgColor = (Deg->DegCod == Gbl.Hierarchy.Deg.DegCod) ? "LIGHT_BLUE" :
                                                          Gbl.ColorRows[Gbl.RowEvenOdd];

   /***** Put tip if degree has courses *****/
   fprintf (Gbl.F.Out,"<tr>"
		      "<td class=\"%s CENTER_MIDDLE %s\" title=\"%s\">"
		      "%s"
		      "</td>",
	    TxtClassNormal,BgColor,
	    NumCrss ? Txt_DEGREE_With_courses :
		      Txt_DEGREE_Without_courses,
	    NumCrss ? "&check;" :
		      "&nbsp;");

   /***** Number of degree in this list *****/
   fprintf (Gbl.F.Out,"<td class=\"%s RIGHT_MIDDLE %s\">"
                      "%u"
                      "</td>",
	    TxtClassNormal,BgColor,
            NumDeg);

   /***** Degree logo and name *****/
   fprintf (Gbl.F.Out,"<td class=\"LEFT_MIDDLE %s\">",BgColor);
   Deg_DrawDegreeLogoAndNameWithLink (Deg,ActSeeCrs,
                                      TxtClassStrong,"CENTER_MIDDLE");
   fprintf (Gbl.F.Out,"</td>");

   /***** Type of degree *****/
   fprintf (Gbl.F.Out,"<td class=\"%s LEFT_MIDDLE %s\">"
	              "%s"
	              "</td>",
	    TxtClassNormal,BgColor,DegTyp.DegTypName);

   /***** Current number of courses in this degree *****/
   fprintf (Gbl.F.Out,"<td class=\"%s RIGHT_MIDDLE %s\">"
	              "%u"
	              "</td>",
	    TxtClassNormal,BgColor,NumCrss);

   /***** Degree status *****/
   StatusTxt = Deg_GetStatusTxtFromStatusBits (Deg->Status);
   fprintf (Gbl.F.Out,"<td class=\"%s LEFT_MIDDLE %s\">",
	    TxtClassNormal,BgColor);
   if (StatusTxt != Deg_STATUS_ACTIVE) // If active ==> do not show anything
      fprintf (Gbl.F.Out,"%s",Txt_DEGREE_STATUS[StatusTxt]);
   fprintf (Gbl.F.Out,"</td>"
		      "</tr>");

   Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
  }

/*****************************************************************************/
/*************************** Put forms to edit degrees ***********************/
/*****************************************************************************/

void Deg_EditDegrees (void)
  {
   /***** Degree constructor *****/
   Deg_EditingDegreeConstructor ();

   /***** Edit degrees *****/
   Deg_EditDegreesInternal ();

   /***** Degree destructor *****/
   Deg_EditingDegreeDestructor ();
  }

static void Deg_EditDegreesInternal (void)
  {
   extern const char *Hlp_CENTRE_Degrees;
   extern const char *Txt_Degrees_of_CENTRE_X;
   extern const char *Txt_No_types_of_degree;

   /***** Get list of degrees in the current centre *****/
   Deg_GetListDegsOfCurrentCtr ();

   /***** Get list of degree types *****/
   DT_GetListDegreeTypes (Hie_SYS,DT_ORDER_BY_DEGREE_TYPE);

   /***** Write menu to select country, institution and centre *****/
   Hie_WriteMenuHierarchy ();

   /***** Start box *****/
   snprintf (Gbl.Title,sizeof (Gbl.Title),
	     Txt_Degrees_of_CENTRE_X,
             Gbl.Hierarchy.Ctr.ShrtName);
   Box_StartBox (NULL,Gbl.Title,Deg_PutIconsEditingDegrees,
                 Hlp_CENTRE_Degrees,Box_NOT_CLOSABLE);

   if (Gbl.DegTypes.Num)
     {
      /***** Put a form to create a new degree *****/
      Deg_PutFormToCreateDegree ();

      /***** Forms to edit current degrees *****/
      if (Gbl.Hierarchy.Ctr.Degs.Num)
         Deg_ListDegreesForEdition ();
     }
   else	// No degree types
     {
      /***** Warning message *****/
      Ale_ShowAlert (Ale_WARNING,Txt_No_types_of_degree);

      /***** Form to create the first degree type *****/
      if (DT_CheckIfICanCreateDegreeTypes ())
         DT_EditDegreeTypes ();
     }

   /***** End box *****/
   Box_EndBox ();

   /***** Free list of degree types *****/
   DT_FreeListDegreeTypes ();

   /***** Free list of degrees in the current centre *****/
   Deg_FreeListDegs (&Gbl.Hierarchy.Ctr.Degs);
  }

/*****************************************************************************/
/**************** Put contextual icons in edition of degrees *****************/
/*****************************************************************************/

static void Deg_PutIconsEditingDegrees (void)
  {
   /***** Put icon to view degrees *****/
   Deg_PutIconToViewDegrees ();

   /***** Put icon to view types of degree *****/
   DT_PutIconToViewDegreeTypes ();

   /***** Put icon to show a figure *****/
   Gbl.Figures.FigureType = Fig_HIERARCHY;
   Fig_PutIconToShowFigure ();
  }

/*****************************************************************************/
/*********************** Put icon to view degrees ****************************/
/*****************************************************************************/

void Deg_PutIconToViewDegrees (void)
  {
   extern const char *Txt_Degrees;

   Lay_PutContextualLinkOnlyIcon (ActSeeDeg,NULL,NULL,
				  "graduation-cap.svg",
				  Txt_Degrees);
  }

/*****************************************************************************/
/********** Create a list with all the degrees that have students ************/
/*****************************************************************************/

void Deg_GetListAllDegsWithStds (struct ListDegrees *Degs)
  {
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;
   unsigned NumDeg;

   /***** Get degrees admin by me from database *****/
   Degs->Num = (unsigned) DB_QuerySELECT (&mysql_res,"can not get degrees"
						     " admin by you",
					  "SELECT DISTINCTROW degrees.DegCod,degrees.CtrCod,"
					  "degrees.DegTypCod,degrees.Status,degrees.RequesterUsrCod,"
					  "degrees.ShortName,degrees.FullName,degrees.WWW"
					  " FROM degrees,courses,crs_usr"
					  " WHERE degrees.DegCod=courses.DegCod"
					  " AND courses.CrsCod=crs_usr.CrsCod"
					  " AND crs_usr.Role=%u"
					  " ORDER BY degrees.ShortName",
					  (unsigned) Rol_STD);

   if (Degs->Num) // Degrees found...
     {
      /***** Create list with degrees *****/
      if ((Degs->Lst = (struct Degree *) calloc (Degs->Num,sizeof (struct Degree))) == NULL)
         Lay_NotEnoughMemoryExit ();

      /***** Get the degrees *****/
      for (NumDeg = 0;
	   NumDeg < Degs->Num;
	   NumDeg++)
        {
         /* Get next degree */
         row = mysql_fetch_row (mysql_res);
         Deg_GetDataOfDegreeFromRow (&(Degs->Lst[NumDeg]),row);
        }
     }
   else
      Degs->Lst = NULL;

   /***** Free structure that stores the query result *****/
   DB_FreeMySQLResult (&mysql_res);
  }

/*****************************************************************************/
/************ Get a list with the degrees of the current centre **************/
/*****************************************************************************/

void Deg_GetListDegsOfCurrentCtr (void)
  {
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;
   unsigned long NumRows;
   unsigned NumDeg;

   /***** Get degrees of the current centre from database *****/
   NumRows = DB_QuerySELECT (&mysql_res,"can not get degrees of a centre",
			     "SELECT DegCod,CtrCod,DegTypCod,Status,RequesterUsrCod,"
			     "ShortName,FullName,WWW"
			     " FROM degrees WHERE CtrCod=%ld ORDER BY FullName",
			     Gbl.Hierarchy.Ctr.CtrCod);

   /***** Count number of rows in result *****/
   if (NumRows) // Degrees found...
     {
      Gbl.Hierarchy.Ctr.Degs.Num = (unsigned) NumRows;

      /***** Create list with degrees of this centre *****/
      if ((Gbl.Hierarchy.Ctr.Degs.Lst = (struct Degree *) calloc (Gbl.Hierarchy.Ctr.Degs.Num,
                                                                   sizeof (struct Degree))) == NULL)
         Lay_NotEnoughMemoryExit ();

      /***** Get the degrees of this centre *****/
      for (NumDeg = 0;
	   NumDeg < Gbl.Hierarchy.Ctr.Degs.Num;
	   NumDeg++)
        {
         /* Get next degree */
         row = mysql_fetch_row (mysql_res);
         Deg_GetDataOfDegreeFromRow (&Gbl.Hierarchy.Ctr.Degs.Lst[NumDeg],row);
        }
     }
   else
      Gbl.Hierarchy.Ctr.Degs.Num = 0;

   /***** Free structure that stores the query result *****/
   DB_FreeMySQLResult (&mysql_res);
  }

/*****************************************************************************/
/*************************** Free list of degrees ****************************/
/*****************************************************************************/

void Deg_FreeListDegs (struct ListDegrees *Degs)
  {
   if (Degs->Lst)
     {
      free ((void *) Degs->Lst);
      Degs->Lst = NULL;
      Degs->Num = 0;
     }
  }

/*****************************************************************************/
/****************** Receive form to request a new degree *********************/
/*****************************************************************************/

void Deg_RecFormReqDeg (void)
  {
   /***** Degree constructor *****/
   Deg_EditingDegreeConstructor ();

   /***** Receive form to request a new degree *****/
   Deg_RecFormRequestOrCreateDeg ((unsigned) Deg_STATUS_BIT_PENDING);
  }

/*****************************************************************************/
/******************* Receive form to create a new degree *********************/
/*****************************************************************************/

void Deg_RecFormNewDeg (void)
  {
   /***** Degree constructor *****/
   Deg_EditingDegreeConstructor ();

   /***** Receive form to create a new degree *****/
   Deg_RecFormRequestOrCreateDeg (0);

   /***** Degree destructor *****/
   Deg_EditingDegreeDestructor ();
  }

/*****************************************************************************/
/******************* Receive form to create a new degree *********************/
/*****************************************************************************/

static void Deg_RecFormRequestOrCreateDeg (unsigned Status)
  {
   extern const char *Txt_The_degree_X_already_exists;
   extern const char *Txt_Created_new_degree_X;
   extern const char *Txt_You_must_specify_the_web_address_of_the_new_degree;
   extern const char *Txt_You_must_specify_the_short_name_and_the_full_name_of_the_new_degree;

   /***** Get parameters from form *****/
   /* Set degree centre */
   Deg_EditingDeg->CtrCod = Gbl.Hierarchy.Ctr.CtrCod;

   /* Get degree short name */
   Par_GetParToText ("ShortName",Deg_EditingDeg->ShrtName,Hie_MAX_BYTES_SHRT_NAME);

   /* Get degree full name */
   Par_GetParToText ("FullName",Deg_EditingDeg->FullName,Hie_MAX_BYTES_FULL_NAME);

   /* Get degree type */
   Deg_EditingDeg->DegTypCod = DT_GetAndCheckParamOtherDegTypCod (1);

   /* Get degree WWW */
   Par_GetParToText ("WWW",Deg_EditingDeg->WWW,Cns_MAX_BYTES_WWW);

   if (Deg_EditingDeg->ShrtName[0] &&
       Deg_EditingDeg->FullName[0])	// If there's a degree name
     {
      if (Deg_EditingDeg->WWW[0])
	{
	 /***** If name of degree was in database... *****/
	 if (Deg_CheckIfDegNameExistsInCtr ("ShortName",Deg_EditingDeg->ShrtName,
	                                    -1L,Deg_EditingDeg->CtrCod))
	    Ale_CreateAlert (Ale_WARNING,NULL,
		             Txt_The_degree_X_already_exists,
		             Deg_EditingDeg->ShrtName);
	 else if (Deg_CheckIfDegNameExistsInCtr ("FullName",Deg_EditingDeg->FullName,
	                                         -1L,Deg_EditingDeg->CtrCod))
	    Ale_CreateAlert (Ale_WARNING,NULL,
		             Txt_The_degree_X_already_exists,
		             Deg_EditingDeg->FullName);
	 else	// Add new degree to database
	   {
	    Deg_CreateDegree (Status);
	    Ale_CreateAlert (Ale_SUCCESS,NULL,
			     Txt_Created_new_degree_X,
			     Deg_EditingDeg->FullName);
	   }
	}
      else	// If there is not a degree logo or web
	 Ale_CreateAlert (Ale_WARNING,NULL,
	                  Txt_You_must_specify_the_web_address_of_the_new_degree);
     }
   else	// If there is not a degree name
      Ale_CreateAlert (Ale_WARNING,NULL,
	               Txt_You_must_specify_the_short_name_and_the_full_name_of_the_new_degree);
  }

/*****************************************************************************/
/************************ Request removing of a degree ***********************/
/*****************************************************************************/

void Deg_RemoveDegree (void)
  {
   extern const char *Txt_To_remove_a_degree_you_must_first_remove_all_courses_in_the_degree;
   extern const char *Txt_Degree_X_removed;

   /***** Degree constructor *****/
   Deg_EditingDegreeConstructor ();

   /***** Get degree code *****/
   Deg_EditingDeg->DegCod = Deg_GetAndCheckParamOtherDegCod (1);

   /***** Get data of degree *****/
   Deg_GetDataOfDegreeByCod (Deg_EditingDeg);

   /***** Check if this degree has courses *****/
   if (Crs_GetNumCrssInDeg (Deg_EditingDeg->DegCod))	// Degree has courses ==> don't remove
      Ale_CreateAlert (Ale_WARNING,NULL,
	               Txt_To_remove_a_degree_you_must_first_remove_all_courses_in_the_degree);
   else	// Degree has no courses ==> remove it
     {
      /***** Remove degree *****/
      Deg_RemoveDegreeCompletely (Deg_EditingDeg->DegCod);

      /***** Write message to show the change made *****/
      Ale_CreateAlert (Ale_SUCCESS,NULL,
		       Txt_Degree_X_removed,
                       Deg_EditingDeg->FullName);
     }
  }

/*****************************************************************************/
/******************** Write parameter with code of degree ********************/
/*****************************************************************************/

void Deg_PutParamDegCod (long DegCod)
  {
   Par_PutHiddenParamLong ("deg",DegCod);
  }

/*****************************************************************************/
/******************** Write parameter with code of degree ********************/
/*****************************************************************************/

static void Deg_PutParamOtherDegCod (long DegCod)
  {
   Par_PutHiddenParamLong ("OthDegCod",DegCod);
  }

/*****************************************************************************/
/********************* Get parameter with code of degree *********************/
/*****************************************************************************/

long Deg_GetAndCheckParamOtherDegCod (long MinCodAllowed)
  {
   long DegCod;

   /***** Get and check parameter with code of degree *****/
   if ((DegCod = Par_GetParToLong ("OthDegCod")) < MinCodAllowed)
      Lay_ShowErrorAndExit ("Code of degree is missing or invalid.");

   return DegCod;
  }

/*****************************************************************************/
/********************* Get data of a degree from its code ********************/
/*****************************************************************************/
// Returns true if degree found

bool Deg_GetDataOfDegreeByCod (struct Degree *Deg)
  {
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;
   bool DegFound = false;

   /***** Clear data *****/
   Deg->CtrCod = -1L;
   Deg->DegTypCod = -1L;
   Deg->Status = (Deg_Status_t) 0;
   Deg->RequesterUsrCod = -1L;
   Deg->ShrtName[0] = '\0';
   Deg->FullName[0] = '\0';
   Deg->WWW[0] = '\0';
   Deg->Crss.Lst = NULL;

   /***** Check if degree code is correct *****/
   if (Deg->DegCod > 0)
     {
      /***** Get data of a degree from database *****/
      if (DB_QuerySELECT (&mysql_res,"can not get data of a degree",
			  "SELECT DegCod,CtrCod,DegTypCod,Status,"
			  "RequesterUsrCod,ShortName,FullName,WWW"
			  " FROM degrees WHERE DegCod=%ld",
			  Deg->DegCod)) // Degree found...
	{
	 /***** Get data of degree *****/
	 row = mysql_fetch_row (mysql_res);
	 Deg_GetDataOfDegreeFromRow (Deg,row);

         /* Set return value */
	 DegFound = true;
	}

      /***** Free structure that stores the query result *****/
      DB_FreeMySQLResult (&mysql_res);
     }

   return DegFound;
  }

/*****************************************************************************/
/********** Get data of a degree from a row resulting of a query *************/
/*****************************************************************************/

static void Deg_GetDataOfDegreeFromRow (struct Degree *Deg,MYSQL_ROW row)
  {
   /***** Get degree code (row[0]) *****/
   if ((Deg->DegCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
      Lay_ShowErrorAndExit ("Wrong code of degree.");

   /***** Get centre code (row[1]) *****/
   Deg->CtrCod = Str_ConvertStrCodToLongCod (row[1]);

   /***** Get the code of the degree type (row[2]) *****/
   Deg->DegTypCod = Str_ConvertStrCodToLongCod (row[2]);

   /* Get course status (row[3]) */
   if (sscanf (row[3],"%u",&(Deg->Status)) != 1)
      Lay_ShowErrorAndExit ("Wrong degree status.");

   /* Get requester user's code (row[4]) */
   Deg->RequesterUsrCod = Str_ConvertStrCodToLongCod (row[4]);

   /***** Get degree short name (row[5]) *****/
   Str_Copy (Deg->ShrtName,row[5],
             Hie_MAX_BYTES_SHRT_NAME);

   /***** Get degree full name (row[6]) *****/
   Str_Copy (Deg->FullName,row[6],
             Hie_MAX_BYTES_FULL_NAME);

   /***** Get WWW (row[7]) *****/
   Str_Copy (Deg->WWW,row[7],
             Cns_MAX_BYTES_WWW);
  }

/*****************************************************************************/
/************* Get the short name of a degree from its code ******************/
/*****************************************************************************/

void Deg_GetShortNameOfDegreeByCod (struct Degree *Deg)
  {
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;

   Deg->ShrtName[0] = '\0';
   if (Deg->DegCod > 0)
     {
      /***** Get the short name of a degree from database *****/
      if (DB_QuerySELECT (&mysql_res,"can not get the short name of a degree",
			  "SELECT ShortName FROM degrees WHERE DegCod=%ld",
			  Deg->DegCod) == 1)
	{
	 /***** Get the short name of this degree *****/
	 row = mysql_fetch_row (mysql_res);

	 Str_Copy (Deg->ShrtName,row[0],
	           Hie_MAX_BYTES_SHRT_NAME);
	}

      /***** Free structure that stores the query result *****/
      DB_FreeMySQLResult (&mysql_res);
     }
  }

/*****************************************************************************/
/************* Get the centre code of a degree from its code *****************/
/*****************************************************************************/

long Deg_GetCtrCodOfDegreeByCod (long DegCod)
  {
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;
   long CtrCod = -1L;

   if (DegCod > 0)
     {
      /***** Get the centre code of a degree from database *****/
      if (DB_QuerySELECT (&mysql_res,"can not get the centre of a degree",
			  "SELECT CtrCod FROM degrees WHERE DegCod=%ld",
			  DegCod) == 1)
	{
	 /***** Get the centre code of this degree *****/
	 row = mysql_fetch_row (mysql_res);
	 CtrCod = Str_ConvertStrCodToLongCod (row[0]);
	}

      /***** Free structure that stores the query result *****/
      DB_FreeMySQLResult (&mysql_res);
     }

   return CtrCod;
  }

/*****************************************************************************/
/********** Get the institution code of a degree from its code ***************/
/*****************************************************************************/

long Deg_GetInsCodOfDegreeByCod (long DegCod)
  {
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;
   long InsCod = -1L;

   if (DegCod > 0)
     {
      /***** Get the institution code of a degree from database *****/
      if (DB_QuerySELECT (&mysql_res,"can not get the institution of a degree",
			  "SELECT centres.InsCod FROM degrees,centres"
			  " WHERE degrees.DegCod=%ld"
			  " AND degrees.CtrCod=centres.CtrCod",
			  DegCod) == 1)
	{
	 /***** Get the institution code of this degree *****/
	 row = mysql_fetch_row (mysql_res);
	 InsCod = Str_ConvertStrCodToLongCod (row[0]);
	}

      /***** Free structure that stores the query result *****/
      DB_FreeMySQLResult (&mysql_res);
     }

   return InsCod;
  }

/*****************************************************************************/
/***************************** Remove a degree *******************************/
/*****************************************************************************/

void Deg_RemoveDegreeCompletely (long DegCod)
  {
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;
   unsigned long NumRow,NumRows;
   long CrsCod;
   char PathDeg[PATH_MAX + 1];

   /***** Get courses of a degree from database *****/
   NumRows = DB_QuerySELECT (&mysql_res,"can not get courses of a degree",
			     "SELECT CrsCod FROM courses"
			     " WHERE DegCod=%ld",
			     DegCod);

   /* Get courses in this degree */
   for (NumRow = 0;
	NumRow < NumRows;
	NumRow++)
     {
      /* Get next course */
      row = mysql_fetch_row (mysql_res);

      /* Get course code (row[0]) */
      if ((CrsCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
         Lay_ShowErrorAndExit ("Wrong code of course.");

      /* Remove course */
      Crs_RemoveCourseCompletely (CrsCod);
     }

   /* Free structure that stores the query result */
   DB_FreeMySQLResult (&mysql_res);

   /***** Remove all the threads and posts in forums of the degree *****/
   For_RemoveForums (Hie_DEG,DegCod);

   /***** Remove surveys of the degree *****/
   Svy_RemoveSurveys (Hie_DEG,DegCod);

   /***** Remove information related to files in degree *****/
   Brw_RemoveDegFilesFromDB (DegCod);

   /***** Remove directories of the degree *****/
   snprintf (PathDeg,sizeof (PathDeg),
	     "%s/%02u/%u",
	     Cfg_PATH_DEG_PUBLIC,
	     (unsigned) (DegCod % 100),
	     (unsigned) DegCod);
   Fil_RemoveTree (PathDeg);

   /***** Remove administrators of this degree *****/
   DB_QueryDELETE ("can not remove administrators of a degree",
		   "DELETE FROM admin WHERE Scope='%s' AND Cod=%ld",
                   Sco_GetDBStrFromScope (Hie_DEG),DegCod);

   /***** Remove the degree *****/
   DB_QueryDELETE ("can not remove a degree",
		   "DELETE FROM degrees WHERE DegCod=%ld",
		   DegCod);

   /***** Delete all the degrees in sta_degrees table not present in degrees table *****/
   Pho_RemoveObsoleteStatDegrees ();
  }

/*****************************************************************************/
/************************ Change the name of a degree ************************/
/*****************************************************************************/

void Deg_RenameDegreeShort (void)
  {
   /***** Degree constructor *****/
   Deg_EditingDegreeConstructor ();

   /***** Rename degree *****/
   Deg_EditingDeg->DegCod = Deg_GetAndCheckParamOtherDegCod (1);
   Deg_RenameDegree (Deg_EditingDeg,Cns_SHRT_NAME);
  }

void Deg_RenameDegreeFull (void)
  {
   /***** Degree constructor *****/
   Deg_EditingDegreeConstructor ();

   /***** Rename degree *****/
   Deg_EditingDeg->DegCod = Deg_GetAndCheckParamOtherDegCod (1);
   Deg_RenameDegree (Deg_EditingDeg,Cns_FULL_NAME);
  }

/*****************************************************************************/
/*************** Change the name of a degree in configuration ****************/
/*****************************************************************************/

void Deg_RenameDegreeShortInConfig (void)
  {
   Deg_RenameDegree (&Gbl.Hierarchy.Deg,Cns_SHRT_NAME);
  }

void Deg_RenameDegreeFullInConfig (void)
  {
   Deg_RenameDegree (&Gbl.Hierarchy.Deg,Cns_FULL_NAME);
  }

/*****************************************************************************/
/************************ Change the name of a degree ************************/
/*****************************************************************************/

static void Deg_RenameDegree (struct Degree *Deg,Cns_ShrtOrFullName_t ShrtOrFullName)
  {
   extern const char *Txt_You_can_not_leave_the_name_of_the_degree_X_empty;
   extern const char *Txt_The_degree_X_already_exists;
   extern const char *Txt_The_name_of_the_degree_X_has_changed_to_Y;
   extern const char *Txt_The_name_of_the_degree_X_has_not_changed;
   const char *ParamName = NULL;	// Initialized to avoid warning
   const char *FieldName = NULL;	// Initialized to avoid warning
   unsigned MaxBytes = 0;		// Initialized to avoid warning
   char *CurrentDegName = NULL;		// Initialized to avoid warning
   char NewDegName[Hie_MAX_BYTES_FULL_NAME + 1];

   switch (ShrtOrFullName)
     {
      case Cns_SHRT_NAME:
         ParamName = "ShortName";
         FieldName = "ShortName";
         MaxBytes = Hie_MAX_BYTES_SHRT_NAME;
         CurrentDegName = Deg->ShrtName;
         break;
      case Cns_FULL_NAME:
         ParamName = "FullName";
         FieldName = "FullName";
         MaxBytes = Hie_MAX_BYTES_FULL_NAME;
         CurrentDegName = Deg->FullName;
         break;
     }

   /***** Get parameters from form *****/
   /* Get the new name for the degree */
   Par_GetParToText (ParamName,NewDegName,MaxBytes);

   /***** Get data of degree *****/
   Deg_GetDataOfDegreeByCod (Deg);

   /***** Check if new name is empty *****/
   if (!NewDegName[0])
      Ale_CreateAlert (Ale_WARNING,NULL,
	               Txt_You_can_not_leave_the_name_of_the_degree_X_empty,
                       CurrentDegName);
   else
     {
      /***** Check if old and new names are the same
             (this happens when return is pressed without changes) *****/
      if (strcmp (CurrentDegName,NewDegName))	// Different names
        {
         /***** If degree was in database... *****/
         if (Deg_CheckIfDegNameExistsInCtr (ParamName,NewDegName,Deg->DegCod,Deg->CtrCod))
            Ale_CreateAlert (Ale_WARNING,NULL,
        	             Txt_The_degree_X_already_exists,
		             NewDegName);
         else
           {
            /* Update the table changing old name by new name */
            Deg_UpdateDegNameDB (Deg->DegCod,FieldName,NewDegName);

            /* Write message to show the change made */
            Ale_CreateAlert (Ale_SUCCESS,NULL,
        	             Txt_The_name_of_the_degree_X_has_changed_to_Y,
                             CurrentDegName,NewDegName);

	    /* Change current degree name in order to display it properly */
	    Str_Copy (CurrentDegName,NewDegName,
	              MaxBytes);
           }
        }
      else	// The same name
         Ale_CreateAlert (Ale_INFO,NULL,
                          Txt_The_name_of_the_degree_X_has_not_changed,
                          CurrentDegName);
     }
  }

/*****************************************************************************/
/********************* Check if the name of degree exists ********************/
/*****************************************************************************/

static bool Deg_CheckIfDegNameExistsInCtr (const char *FieldName,const char *Name,
                                           long DegCod,long CtrCod)
  {
   /***** Get number of degrees with a type and a name from database *****/
   return (DB_QueryCOUNT ("can not check if the name of a degree"
			  " already existed",
			  "SELECT COUNT(*) FROM degrees"
			  " WHERE CtrCod=%ld AND %s='%s' AND DegCod<>%ld",
			  CtrCod,FieldName,Name,DegCod) != 0);
  }

/*****************************************************************************/
/***************** Update degree name in table of degrees ********************/
/*****************************************************************************/

static void Deg_UpdateDegNameDB (long DegCod,const char *FieldName,const char *NewDegName)
  {
   /***** Update degree changing old name by new name *****/
   DB_QueryUPDATE ("can not update the name of a degree",
		   "UPDATE degrees SET %s='%s' WHERE DegCod=%ld",
	           FieldName,NewDegName,DegCod);
  }

/*****************************************************************************/
/************************ Change the centre of a degree **********************/
/*****************************************************************************/

void Deg_ChangeDegCtrInConfig (void)
  {
   extern const char *Txt_The_degree_X_already_exists;
   extern const char *Txt_The_degree_X_has_been_moved_to_the_centre_Y;
   struct Centre NewCtr;

   /***** Get parameter with centre code *****/
   NewCtr.CtrCod = Ctr_GetAndCheckParamOtherCtrCod (1);

   /***** Check if centre has changed *****/
   if (NewCtr.CtrCod != Gbl.Hierarchy.Deg.CtrCod)
     {
      /***** Get data of new centre *****/
      Ctr_GetDataOfCentreByCod (&NewCtr);

      /***** Check if it already exists a degree with the same name in the new centre *****/
      if (Deg_CheckIfDegNameExistsInCtr ("ShortName",Gbl.Hierarchy.Deg.ShrtName,Gbl.Hierarchy.Deg.DegCod,NewCtr.CtrCod))
         Ale_CreateAlert (Ale_WARNING,
                          Txt_The_degree_X_already_exists,
		          Gbl.Hierarchy.Deg.ShrtName);
      else if (Deg_CheckIfDegNameExistsInCtr ("FullName",Gbl.Hierarchy.Deg.FullName,Gbl.Hierarchy.Deg.DegCod,NewCtr.CtrCod))
         Ale_CreateAlert (Ale_WARNING,
                          Txt_The_degree_X_already_exists,
		          Gbl.Hierarchy.Deg.FullName);
      else
	{
	 /***** Update centre in table of degrees *****/
	 Deg_UpdateDegCtrDB (Gbl.Hierarchy.Deg.DegCod,NewCtr.CtrCod);
	 Gbl.Hierarchy.Deg.CtrCod =
	 Gbl.Hierarchy.Ctr.CtrCod = NewCtr.CtrCod;

	 /***** Initialize again current course, degree, centre... *****/
	 Hie_InitHierarchy ();

	 /***** Create alert to show the change made *****/
         Ale_CreateAlert (Ale_SUCCESS,NULL,
                          Txt_The_degree_X_has_been_moved_to_the_centre_Y,
		          Gbl.Hierarchy.Deg.FullName,
		          Gbl.Hierarchy.Ctr.FullName);
	}
     }
  }

/*****************************************************************************/
/** Show message of success after changing a degree in degree configuration **/
/*****************************************************************************/

void Deg_ContEditAfterChgDegInConfig (void)
  {
   /***** Write success / warning message *****/
   Ale_ShowAlerts (NULL);

   /***** Show the form again *****/
   Deg_ShowConfiguration ();
  }

/*****************************************************************************/
/********************** Update centre in table of degrees ********************/
/*****************************************************************************/

static void Deg_UpdateDegCtrDB (long DegCod,long CtrCod)
  {
   /***** Update centre in table of degrees *****/
   DB_QueryUPDATE ("can not update the centre of a degree",
		   "UPDATE degrees SET CtrCod=%ld WHERE DegCod=%ld",
                   CtrCod,DegCod);
  }

/*****************************************************************************/
/************************ Change the type of a degree ************************/
/*****************************************************************************/

void Deg_ChangeDegreeType (void)
  {
   extern const char *Txt_The_type_of_degree_of_the_degree_X_has_changed;
   long NewDegTypCod;

   /***** Degree constructor *****/
   Deg_EditingDegreeConstructor ();

   /***** Get parameters from form *****/
   /* Get degree code */
   Deg_EditingDeg->DegCod = Deg_GetAndCheckParamOtherDegCod (1);

   /* Get the new degree type */
   NewDegTypCod = DT_GetAndCheckParamOtherDegTypCod (1);

   /***** Get data of degree *****/
   Deg_GetDataOfDegreeByCod (Deg_EditingDeg);

   /***** Update the table of degrees changing old type by new type *****/
   DB_QueryUPDATE ("can not update the type of a degree",
		   "UPDATE degrees SET DegTypCod=%ld WHERE DegCod=%ld",
	           NewDegTypCod,Deg_EditingDeg->DegCod);
   Deg_EditingDeg->DegTypCod = NewDegTypCod;

   /***** Create alert to show the change made
          and put button to go to degree changed *****/
   Ale_CreateAlert (Ale_SUCCESS,NULL,
	            Txt_The_type_of_degree_of_the_degree_X_has_changed,
	            Deg_EditingDeg->FullName);
  }

/*****************************************************************************/
/************************* Change the WWW of a degree ************************/
/*****************************************************************************/

void Deg_ChangeDegWWW (void)
  {
   extern const char *Txt_The_new_web_address_is_X;
   extern const char *Txt_You_can_not_leave_the_web_address_empty;
   char NewWWW[Cns_MAX_BYTES_WWW + 1];

   /***** Degree constructor *****/
   Deg_EditingDegreeConstructor ();

   /***** Get parameters from form *****/
   /* Get the code of the degree */
   Deg_EditingDeg->DegCod = Deg_GetAndCheckParamOtherDegCod (1);

   /* Get the new WWW for the degree */
   Par_GetParToText ("WWW",NewWWW,Cns_MAX_BYTES_WWW);

   /***** Get data of degree *****/
   Deg_GetDataOfDegreeByCod (Deg_EditingDeg);

   /***** Check if new WWW is empty *****/
   if (NewWWW[0])
     {
      /***** Update the table changing old WWW by new WWW *****/
      Deg_UpdateDegWWWDB (Deg_EditingDeg->DegCod,NewWWW);
      Str_Copy (Deg_EditingDeg->WWW,NewWWW,
                Cns_MAX_BYTES_WWW);

      /***** Write alert to show the change made
	     and put button to go to degree changed *****/
      Ale_CreateAlert (Ale_SUCCESS,NULL,
	               Txt_The_new_web_address_is_X,
		       NewWWW);
     }
   else
      Ale_CreateAlert (Ale_WARNING,NULL,
	               Txt_You_can_not_leave_the_web_address_empty);
  }

void Deg_ChangeDegWWWInConfig (void)
  {
   extern const char *Txt_The_new_web_address_is_X;
   extern const char *Txt_You_can_not_leave_the_web_address_empty;
   char NewWWW[Cns_MAX_BYTES_WWW + 1];

   /***** Get parameters from form *****/
   /* Get the new WWW for the degree */
   Par_GetParToText ("WWW",NewWWW,Cns_MAX_BYTES_WWW);

   /***** Check if new WWW is empty *****/
   if (NewWWW[0])
     {
      /***** Update the table changing old WWW by new WWW *****/
      Deg_UpdateDegWWWDB (Gbl.Hierarchy.Deg.DegCod,NewWWW);
      Str_Copy (Gbl.Hierarchy.Deg.WWW,NewWWW,
                Cns_MAX_BYTES_WWW);

      /***** Write message to show the change made *****/
      Ale_ShowAlert (Ale_SUCCESS,Txt_The_new_web_address_is_X,
		     NewWWW);
     }
   else
      Ale_ShowAlert (Ale_WARNING,Txt_You_can_not_leave_the_web_address_empty);

   /***** Show the form again *****/
   Deg_ShowConfiguration ();
  }

/*****************************************************************************/
/**************** Update database changing old WWW by new WWW ****************/
/*****************************************************************************/

static void Deg_UpdateDegWWWDB (long DegCod,const char NewWWW[Cns_MAX_BYTES_WWW + 1])
  {
   /***** Update database changing old WWW by new WWW *****/
   DB_QueryUPDATE ("can not update the web of a degree",
		   "UPDATE degrees SET WWW='%s' WHERE DegCod=%ld",
	           NewWWW,DegCod);
  }

/*****************************************************************************/
/*********************** Change the status of a degree ***********************/
/*****************************************************************************/

void Deg_ChangeDegStatus (void)
  {
   extern const char *Txt_The_status_of_the_degree_X_has_changed;
   Deg_Status_t Status;
   Deg_StatusTxt_t StatusTxt;

   /***** Degree constructor *****/
   Deg_EditingDegreeConstructor ();

   /***** Get parameters from form *****/
   /* Get degree code */
   Deg_EditingDeg->DegCod = Deg_GetAndCheckParamOtherDegCod (1);

   /* Get parameter with status */
   Status = (Deg_Status_t)
	    Par_GetParToUnsignedLong ("Status",
	                              0,
	                              (unsigned long) Deg_MAX_STATUS,
                                      (unsigned long) Deg_WRONG_STATUS);
   if (Status == Deg_WRONG_STATUS)
      Lay_ShowErrorAndExit ("Wrong status.");
   StatusTxt = Deg_GetStatusTxtFromStatusBits (Status);
   Status = Deg_GetStatusBitsFromStatusTxt (StatusTxt);	// New status

   /***** Get data of degree *****/
   Deg_GetDataOfDegreeByCod (Deg_EditingDeg);

   /***** Update status in table of degrees *****/
   DB_QueryUPDATE ("can not update the status of a degree",
		   "UPDATE degrees SET Status=%u WHERE DegCod=%ld",
                   (unsigned) Status,Deg_EditingDeg->DegCod);
   Deg_EditingDeg->Status = Status;

   /***** Write alert to show the change made
	  and put button to go to degree changed *****/
   Ale_CreateAlert (Ale_SUCCESS,NULL,
	            Txt_The_status_of_the_degree_X_has_changed,
                    Deg_EditingDeg->ShrtName);
  }

/*****************************************************************************/
/********* Show alerts after changing a degree and continue editing **********/
/*****************************************************************************/

void Deg_ContEditAfterChgDeg (void)
  {
   /***** Write message to show the change made
	  and put button to go to degree changed *****/
   Deg_ShowAlertAndButtonToGoToDeg ();

   /***** Show the form again *****/
   Deg_EditDegreesInternal ();

   /***** Degree destructor *****/
   Deg_EditingDegreeDestructor ();
  }

/*****************************************************************************/
/***************** Write message to show the change made  ********************/
/***************** and put button to go to degree changed ********************/
/*****************************************************************************/

static void Deg_ShowAlertAndButtonToGoToDeg (void)
  {
   extern const char *Txt_Go_to_X;

   // If the degree being edited is different to the current one...
   if (Deg_EditingDeg->DegCod != Gbl.Hierarchy.Deg.DegCod)
     {
      /***** Alert with button to go to degree *****/
      snprintf (Gbl.Title,sizeof (Gbl.Title),
	        Txt_Go_to_X,
		Deg_EditingDeg->ShrtName);
      Ale_ShowLastAlertAndButton (ActSeeCrs,NULL,NULL,Deg_PutParamGoToDeg,
                                  Btn_CONFIRM_BUTTON,Gbl.Title);
     }
   else
      /***** Alert *****/
      Ale_ShowAlerts (NULL);
  }

static void Deg_PutParamGoToDeg (void)
  {
   Deg_PutParamDegCod (Deg_EditingDeg->DegCod);
  }

/*****************************************************************************/
/*********** Show a form for sending a logo of the current degree ************/
/*****************************************************************************/

void Deg_RequestLogo (void)
  {
   Log_RequestLogo (Hie_DEG);
  }

/*****************************************************************************/
/***************** Receive the logo of the current degree ********************/
/*****************************************************************************/

void Deg_ReceiveLogo (void)
  {
   Log_ReceiveLogo (Hie_DEG);
  }

/*****************************************************************************/
/****************** Remove the logo of the current degree ********************/
/*****************************************************************************/

void Deg_RemoveLogo (void)
  {
   Log_RemoveLogo (Hie_DEG);
  }

/*****************************************************************************/
/*********************** Get total number of degrees *************************/
/*****************************************************************************/

unsigned Deg_GetNumDegsTotal (void)
  {
   /***** Get total number of degrees from database *****/
   return (unsigned) DB_GetNumRowsTable ("degrees");
  }

/*****************************************************************************/
/********************* Get number of degrees in a country ********************/
/*****************************************************************************/

unsigned Deg_GetNumDegsInCty (long InsCod)
  {
   /***** Get number of degrees in a country from database *****/
   return
   (unsigned) DB_QueryCOUNT ("can not get the number of degrees in a country",
			     "SELECT COUNT(*) FROM institutions,centres,degrees"
			     " WHERE institutions.CtyCod=%ld"
			     " AND institutions.InsCod=centres.InsCod"
			     " AND centres.CtrCod=degrees.CtrCod",
			     InsCod);
  }

/*****************************************************************************/
/****************** Get number of degrees in an institution ******************/
/*****************************************************************************/

unsigned Deg_GetNumDegsInIns (long InsCod)
  {
   /***** Get number of degrees in an institution from database *****/
   return
   (unsigned) DB_QueryCOUNT ("can not get the number of degrees"
	                     " in an institution",
			     "SELECT COUNT(*) FROM centres,degrees"
			     " WHERE centres.InsCod=%ld"
			     " AND centres.CtrCod=degrees.CtrCod",
			     InsCod);
  }

/*****************************************************************************/
/******************** Get number of degrees in a centre **********************/
/*****************************************************************************/

unsigned Deg_GetNumDegsInCtr (long CtrCod)
  {
   /***** Get number of degrees in a centre from database *****/
   return
   (unsigned) DB_QueryCOUNT ("can not get the number of degrees in a centre",
			     "SELECT COUNT(*) FROM degrees"
			     " WHERE CtrCod=%ld",
			     CtrCod);
  }

/*****************************************************************************/
/********************* Get number of centres with courses ********************/
/*****************************************************************************/

unsigned Deg_GetNumDegsWithCrss (const char *SubQuery)
  {
   /***** Get number of degrees with courses from database *****/
   return
   (unsigned) DB_QueryCOUNT ("can not get number of degrees with courses",
			     "SELECT COUNT(DISTINCT degrees.DegCod)"
			     " FROM institutions,centres,degrees,courses"
			     " WHERE %sinstitutions.InsCod=centres.InsCod"
			     " AND centres.CtrCod=degrees.CtrCod"
			     " AND degrees.DegCod=courses.DegCod",
			     SubQuery);
  }

/*****************************************************************************/
/********************* Get number of degrees with users **********************/
/*****************************************************************************/

unsigned Deg_GetNumDegsWithUsrs (Rol_Role_t Role,const char *SubQuery)
  {
   /***** Get number of degrees with users from database *****/
   return
   (unsigned) DB_QueryCOUNT ("can not get number of degrees with users",
			     "SELECT COUNT(DISTINCT degrees.DegCod)"
			     " FROM institutions,centres,degrees,courses,crs_usr"
			     " WHERE %sinstitutions.InsCod=centres.InsCod"
			     " AND centres.CtrCod=degrees.CtrCod"
			     " AND degrees.DegCod=courses.DegCod"
			     " AND courses.CrsCod=crs_usr.CrsCod"
			     " AND crs_usr.Role=%u",
			     SubQuery,(unsigned) Role);
  }

/*****************************************************************************/
/***** Write institutions, centres and degrees administrated by an admin *****/
/*****************************************************************************/

void Hie_GetAndWriteInsCtrDegAdminBy (long UsrCod,unsigned ColSpan)
  {
   extern const char *Txt_all_degrees;
   MYSQL_RES *mysql_res;
   MYSQL_ROW row;
   unsigned NumRow;
   unsigned NumRows;
   struct Instit Ins;
   struct Centre Ctr;
   struct Degree Deg;

   /***** Get institutions, centres, degrees admin by user from database *****/
   NumRows = (unsigned) DB_QuerySELECT (&mysql_res,"can not get institutions,"
						   " centres, degrees"
						   " admin by a user",
				        "(SELECT %u AS S,-1 AS Cod,'' AS FullName"
				        " FROM admin"
				        " WHERE UsrCod=%ld"
				        " AND Scope='%s')"
				        " UNION "
				        "(SELECT %u AS S,admin.Cod,institutions.FullName"
				        " FROM admin,institutions"
				        " WHERE admin.UsrCod=%ld"
				        " AND admin.Scope='%s'"
				        " AND admin.Cod=institutions.InsCod)"
				        " UNION "
				        "(SELECT %u AS S,admin.Cod,centres.FullName"
				        " FROM admin,centres"
				        " WHERE admin.UsrCod=%ld"
				        " AND admin.Scope='%s'"
				        " AND admin.Cod=centres.CtrCod)"
				        " UNION "
				        "(SELECT %u AS S,admin.Cod,degrees.FullName"
				        " FROM admin,degrees"
				        " WHERE admin.UsrCod=%ld"
				        " AND admin.Scope='%s'"
				        " AND admin.Cod=degrees.DegCod)"
				        " ORDER BY S,FullName",
				        (unsigned) Hie_SYS,UsrCod,Sco_GetDBStrFromScope (Hie_SYS),
				        (unsigned) Hie_INS,UsrCod,Sco_GetDBStrFromScope (Hie_INS),
				        (unsigned) Hie_CTR,UsrCod,Sco_GetDBStrFromScope (Hie_CTR),
				        (unsigned) Hie_DEG,UsrCod,Sco_GetDBStrFromScope (Hie_DEG));
   if (NumRows)
      /***** Get the list of degrees *****/
      for (NumRow = 1;
	   NumRow <= NumRows;
	   NumRow++)
	{
         /***** Indent *****/
         fprintf (Gbl.F.Out,"<tr>"
                            "<td class=\"RIGHT_TOP COLOR%u\">"
                            "<img src=\"%s/%s20x20.gif\""
                            " alt=\"\" title=\"\""
                            " class=\"ICO25x25\" />"
                            "</td>",
                  Gbl.RowEvenOdd,Cfg_URL_ICON_PUBLIC,
                  NumRow == NumRows ? "subend" :
                	              "submid");

         /***** Write institution, centre, degree *****/
         fprintf (Gbl.F.Out,"<td colspan=\"%u\""
                            " class=\"DAT_SMALL_NOBR LEFT_TOP COLOR%u\">",
                  ColSpan - 1,Gbl.RowEvenOdd);

         /* Get next institution, centre, degree */
         row = mysql_fetch_row (mysql_res);

	 /* Get scope */
	 switch (Sco_GetScopeFromUnsignedStr (row[0]))
	   {
	    case Hie_SYS:	// System
	       fprintf (Gbl.F.Out,"<img src=\"%s/swad64x64.png\""
        	                  " alt=\"%s\" title=\"%s\""
                                  " class=\"ICO16x16\" />"
                                  "&nbsp;%s",
                     Cfg_URL_ICON_PUBLIC,
                     Txt_all_degrees,
                     Txt_all_degrees,
                     Txt_all_degrees);
	       break;
	    case Hie_INS:	// Institution
	       Ins.InsCod = Str_ConvertStrCodToLongCod (row[1]);
	       if (Ins.InsCod > 0)
		 {
		  /* Get data of institution */
		  Ins_GetDataOfInstitutionByCod (&Ins,Ins_GET_BASIC_DATA);

		  /* Write institution logo and name */
		  Ins_DrawInstitutionLogoAndNameWithLink (&Ins,ActSeeInsInf,
						          "DAT_SMALL_NOBR","LEFT_TOP");
		 }
	       break;
	    case Hie_CTR:	// Centre
	       Ctr.CtrCod = Str_ConvertStrCodToLongCod (row[1]);
	       if (Ctr.CtrCod > 0)
		 {
		  /* Get data of centre */
		  Ctr_GetDataOfCentreByCod (&Ctr);

		  /* Write centre logo and name */
		  Ctr_DrawCentreLogoAndNameWithLink (&Ctr,ActSeeCtrInf,
						     "DAT_SMALL_NOBR","LEFT_TOP");
		 }
	       break;
	    case Hie_DEG:	// Degree
	       Deg.DegCod = Str_ConvertStrCodToLongCod (row[1]);
	       if (Deg.DegCod > 0)
		 {
		  /* Get data of degree */
		  Deg_GetDataOfDegreeByCod (&Deg);

		  /* Write degree logo and name */
		  Deg_DrawDegreeLogoAndNameWithLink (&Deg,ActSeeDegInf,
						     "DAT_SMALL_NOBR","LEFT_TOP");
		 }
	       break;
	    default:	// There are no administrators in other scopes
	       Lay_WrongScopeExit ();
	       break;
           }
         fprintf (Gbl.F.Out,"</td>"
                            "</tr>");
        }

   /***** Free structure that stores the query result *****/
   DB_FreeMySQLResult (&mysql_res);
  }

/*****************************************************************************/
/**************************** List degrees found *****************************/
/*****************************************************************************/

void Deg_ListDegsFound (MYSQL_RES **mysql_res,unsigned NumDegs)
  {
   extern const char *Txt_degree;
   extern const char *Txt_degrees;
   MYSQL_ROW row;
   unsigned NumDeg;
   struct Degree Deg;

   /***** Query database *****/
   if (NumDegs)
     {
      /***** Start box and table *****/
      /* Number of degrees found */
      snprintf (Gbl.Title,sizeof (Gbl.Title),
	        "%u %s",
                NumDegs,(NumDegs == 1) ? Txt_degree :
        	                         Txt_degrees);
      Box_StartBoxTable (NULL,Gbl.Title,NULL,
                         NULL,Box_NOT_CLOSABLE,2);

      /***** Write heading *****/
      Deg_PutHeadDegreesForSeeing ();

      /***** List the degrees (one row per degree) *****/
      for (NumDeg = 1;
	   NumDeg <= NumDegs;
	   NumDeg++)
	{
	 /* Get next degree */
	 row = mysql_fetch_row (*mysql_res);

	 /* Get degree code (row[0]) */
	 Deg.DegCod = Str_ConvertStrCodToLongCod (row[0]);

	 /* Get data of degree */
	 Deg_GetDataOfDegreeByCod (&Deg);

	 /* Write data of this degree */
	 Deg_ListOneDegreeForSeeing (&Deg,NumDeg);
	}

      /***** End table and box *****/
      Box_EndBoxTable ();
     }

   /***** Free structure that stores the query result *****/
   DB_FreeMySQLResult (mysql_res);
  }

/*****************************************************************************/
/************************ Degree constructor/destructor **********************/
/*****************************************************************************/

static void Deg_EditingDegreeConstructor (void)
  {
   /***** Pointer must be NULL *****/
   if (Deg_EditingDeg != NULL)
      Lay_ShowErrorAndExit ("Error initializing degree.");

   /***** Allocate memory for degree *****/
   if ((Deg_EditingDeg = (struct Degree *) malloc (sizeof (struct Degree))) == NULL)
      Lay_ShowErrorAndExit ("Error allocating memory for degree.");

   /***** Reset degree *****/
   Deg_EditingDeg->DegCod = -1L;
   Deg_EditingDeg->DegTypCod = -1L;
   Deg_EditingDeg->CtrCod = -1L;
   Deg_EditingDeg->Status = 0;
   Deg_EditingDeg->RequesterUsrCod = -1L;
   Deg_EditingDeg->ShrtName[0] = '\0';
   Deg_EditingDeg->FullName[0] = '\0';
   Deg_EditingDeg->WWW[0] = '\0';
   Deg_EditingDeg->Crss.Num = 0;
   Deg_EditingDeg->Crss.Lst = NULL;
  }

static void Deg_EditingDegreeDestructor (void)
  {
   /***** Free memory used for degree *****/
   if (Deg_EditingDeg != NULL)
     {
      free ((void *) Deg_EditingDeg);
      Deg_EditingDeg = NULL;
     }
  }