// swad_place.c: places

/*
    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) 1999-2025 Antonio Caas 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 <stddef.h>		// For NULL
#include <stdlib.h>		// For calloc
#include <string.h>		// For string functions

#include "swad_action_list.h"
#include "swad_alert.h"
#include "swad_box.h"
#include "swad_center_database.h"
#include "swad_constant.h"
#include "swad_database.h"
#include "swad_error.h"
#include "swad_form.h"
#include "swad_global.h"
#include "swad_HTML.h"
#include "swad_language.h"
#include "swad_parameter.h"
#include "swad_parameter_code.h"
#include "swad_place.h"
#include "swad_place_database.h"

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

extern struct Globals Gbl;

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

static struct Plc_Place *Plc_EditingPlc = NULL;	// Static variable to keep the place being edited

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

static Usr_Can_t Plc_CheckIfICanEditPlaces (void);

static Plc_Order_t Plc_GetParPlcOrder (void);
static void Plc_PutIconsListingPlaces (__attribute__((unused)) void *Args);
static void Plc_PutIconToEditPlaces (void);
static void Plc_EditPlacesInternal (void);
static void Plc_PutIconsEditingPlaces (__attribute__((unused)) void *Args);

static void Plc_GetPlaceDataFromRow (MYSQL_RES *mysql_res,struct Plc_Place *Plc);

static void Plc_ListPlacesForEdition (const struct Plc_Places *Places);
static void Plc_PutParPlcCod (void *PlcCod);

static void Plc_RenamePlace (Nam_ShrtOrFullName_t ShrtOrFull);

static void Plc_PutFormToCreatePlace (void);
static void Plc_PutHeadPlaces (void);

static void Plc_EditingPlaceConstructor (void);
static void Plc_EditingPlaceDestructor (void);

/*****************************************************************************/
/************************* Check if I can edit places ************************/
/*****************************************************************************/

static Usr_Can_t Plc_CheckIfICanEditPlaces (void)
  {
   static Usr_Can_t Plc_ICanEditPlaces[Rol_NUM_ROLES] =
     {
      /* Users who can edit */
      [Rol_INS_ADM] = Usr_CAN,
      [Rol_SYS_ADM] = Usr_CAN,
     };

   return Plc_ICanEditPlaces[Gbl.Usrs.Me.Role.Logged];
  }

/*****************************************************************************/
/**************************** Reset places context ***************************/
/*****************************************************************************/

void Plc_ResetPlaces (struct Plc_Places *Places)
  {
   Places->Num           = 0;
   Places->Lst           = NULL;
   Places->SelectedOrder = Plc_ORDER_DEFAULT;
  }

/*****************************************************************************/
/***************************** List all places *******************************/
/*****************************************************************************/

void Plc_SeeAllPlaces (void)
  {
   extern const char *Hlp_INSTITUTION_Places;
   extern const char *Txt_Places;
   extern const char *Txt_PLACES_HELP_ORDER[2];
   extern const char *Txt_PLACES_ORDER[2];
   extern const char *Txt_Other_places;
   extern const char *Txt_Place_unspecified;
   struct Plc_Places Places;
   Plc_Order_t Order;
   unsigned NumPlc;
   unsigned NumCtrsWithPlc = 0;
   unsigned NumCtrsInOtherPlcs;

   if (Gbl.Hierarchy.Node[Hie_INS].HieCod > 0)
     {
      /***** Reset places context *****/
      Plc_ResetPlaces (&Places);

      /***** Get parameter with the type of order in the list of places *****/
      Places.SelectedOrder = Plc_GetParPlcOrder ();

      /***** Get list of places *****/
      Plc_GetListPlaces (&Places);

      /***** Begin box *****/
      Box_BoxBegin (Txt_Places,Plc_PutIconsListingPlaces,NULL,
                    Hlp_INSTITUTION_Places,Box_NOT_CLOSABLE);

         /***** Table head *****/
	 HTM_TABLE_BeginWideMarginPadding (2);
	    HTM_TR_Begin (NULL);
	    for (Order  = (Plc_Order_t) 0;
		 Order <= (Plc_Order_t) (Plc_NUM_ORDERS - 1);
		 Order++)
	      {
               HTM_TH_Begin (HTM_HEAD_LEFT);

		  Frm_BeginForm (ActSeePlc);
		     Par_PutParUnsigned (NULL,"Order",(unsigned) Order);
		     HTM_BUTTON_Submit_Begin (Txt_PLACES_HELP_ORDER[Order],NULL,
		                              "class=\"BT_LINK\"");
			if (Order == Places.SelectedOrder)
			   HTM_U_Begin ();
			HTM_Txt (Txt_PLACES_ORDER[Order]);
			if (Order == Places.SelectedOrder)
			   HTM_U_End ();
		     HTM_BUTTON_End ();
		  Frm_EndForm ();

	       HTM_TH_End ();
	      }
	    HTM_TR_End ();

	    /***** Write all places and their nuber of centers *****/
	    for (NumPlc = 0;
		 NumPlc < Places.Num;
		 NumPlc++)
	      {
	       /* Write data of this place */
	       HTM_TR_Begin (NULL);
		  HTM_TD_Txt_Left (Places.Lst[NumPlc].FullName);
		  HTM_TD_Unsigned (Places.Lst[NumPlc].NumCtrs);
	       HTM_TR_End ();

	       NumCtrsWithPlc += Places.Lst[NumPlc].NumCtrs;
	      }

	    /***** Separation row *****/
	    HTM_TR_Begin (NULL);
	       HTM_TD_Begin ("colspan=\"2\" class=\"DAT_%s\"",The_GetSuffix ());
		  HTM_NBSP ();
	       HTM_TD_End ();
	    HTM_TR_End ();

	    /***** Write centers (of the current institution) with other place *****/
	    NumCtrsInOtherPlcs = Ctr_DB_GetNumCtrsInPlc (0);

	    HTM_TR_Begin (NULL);
	       HTM_TD_Txt_Left (Txt_Other_places);
	       HTM_TD_Unsigned (NumCtrsInOtherPlcs);
	    HTM_TR_End ();

	    NumCtrsWithPlc += NumCtrsInOtherPlcs;

	    /***** Write centers (of the current institution) with no place *****/
	    HTM_TR_Begin (NULL);
	       HTM_TD_Txt_Left (Txt_Place_unspecified);
	       HTM_TD_Unsigned (Hie_GetNumNodesInHieLvl (Hie_CTR,	// Number of centers...
							 Hie_INS,	// ...in institution
							 Gbl.Hierarchy.Node[Hie_INS].HieCod) -
				NumCtrsWithPlc);
	    HTM_TR_End ();

	 /***** End table *****/
	 HTM_TABLE_End ();

      /***** End box *****/
      Box_BoxEnd ();

      /***** Free list of places *****/
      Plc_FreeListPlaces (&Places);
     }
  }

/*****************************************************************************/
/********** Get parameter with the type or order in list of places ***********/
/*****************************************************************************/

static Plc_Order_t Plc_GetParPlcOrder (void)
  {
   return (Plc_Order_t) Par_GetParUnsignedLong ("Order",
						0,
						Plc_NUM_ORDERS - 1,
						(unsigned long) Plc_ORDER_DEFAULT);
  }

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

static void Plc_PutIconsListingPlaces (__attribute__((unused)) void *Args)
  {
   /***** Put icon to edit places *****/
   if (Plc_CheckIfICanEditPlaces () == Usr_CAN)
      Plc_PutIconToEditPlaces ();
  }

/*****************************************************************************/
/********************** Put a link (form) to edit places *********************/
/*****************************************************************************/

static void Plc_PutIconToEditPlaces (void)
  {
   Ico_PutContextualIconToEdit (ActEdiPlc,NULL,NULL,NULL);
  }

/*****************************************************************************/
/*************************** Put forms to edit places ************************/
/*****************************************************************************/

void Plc_EditPlaces (void)
  {
   /***** Place constructor *****/
   Plc_EditingPlaceConstructor ();

   /***** Edit places *****/
   Plc_EditPlacesInternal ();

   /***** Place destructor *****/
   Plc_EditingPlaceDestructor ();
  }

static void Plc_EditPlacesInternal (void)
  {
   extern const char *Hlp_INSTITUTION_Places_edit;
   extern const char *Txt_Places;
   struct Plc_Places Places;

   /***** Reset places context *****/
   Plc_ResetPlaces (&Places);

   /***** Get list of places *****/
   Plc_GetListPlaces (&Places);

   /***** Begin box *****/
   Box_BoxBegin (Txt_Places,Plc_PutIconsEditingPlaces,NULL,
                 Hlp_INSTITUTION_Places_edit,Box_NOT_CLOSABLE);

      /***** Put a form to create a new place *****/
      Plc_PutFormToCreatePlace ();

      /***** Forms to edit current places *****/
      if (Places.Num)
	 Plc_ListPlacesForEdition (&Places);

   /***** End box *****/
   Box_BoxEnd ();

   /***** Free list of places *****/
   Plc_FreeListPlaces (&Places);
  }

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

static void Plc_PutIconsEditingPlaces (__attribute__((unused)) void *Args)
  {
   /***** Put icon to view places *****/
   Ico_PutContextualIconToView (ActSeePlc,NULL,NULL,NULL);
  }

/*****************************************************************************/
/************************** Put icon to view places **************************/
/*****************************************************************************/

void Plc_PutIconToViewPlaces (void)
  {
   Lay_PutContextualLinkOnlyIcon (ActSeePlc,NULL,
                                  Ins_PutParInsCod,&Gbl.Hierarchy.Node[Hie_INS].HieCod,
				  "map-marker-alt.svg",Ico_BLACK);
  }

/*****************************************************************************/
/******************************* List all places *****************************/
/*****************************************************************************/

void Plc_GetListPlaces (struct Plc_Places *Places)
  {
   MYSQL_RES *mysql_res;
   unsigned NumPlc;

   /***** Get places from database *****/
   if ((Places->Num = Plc_DB_GetListPlaces (&mysql_res,Places->SelectedOrder))) // Places found...
     {
      /***** Create list with courses in center *****/
      if ((Places->Lst = calloc ((size_t) Places->Num,
                                 sizeof (*Places->Lst))) == NULL)
         Err_NotEnoughMemoryExit ();

      /***** Get the places *****/
      for (NumPlc = 0;
	   NumPlc < Places->Num;
	   NumPlc++)
         Plc_GetPlaceDataFromRow (mysql_res,&Places->Lst[NumPlc]);
     }

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

/*****************************************************************************/
/************************ Get place data using its code **********************/
/*****************************************************************************/

void Plc_GetPlaceDataByCod (struct Plc_Place *Plc)
  {
   extern const char *Txt_Place_unspecified;
   extern const char *Txt_Another_place;
   MYSQL_RES *mysql_res;

   /***** Clear data *****/
   Plc->ShrtName[0] = '\0';
   Plc->FullName[0] = '\0';
   Plc->NumCtrs = 0;

   /***** Check if place code is correct *****/
   if (Plc->PlcCod < 0)
     {
      Str_Copy (Plc->ShrtName,Txt_Place_unspecified,sizeof (Plc->ShrtName) - 1);
      Str_Copy (Plc->FullName,Txt_Place_unspecified,sizeof (Plc->FullName) - 1);
     }
   else if (Plc->PlcCod == 0)
     {
      Str_Copy (Plc->ShrtName,Txt_Another_place    ,sizeof (Plc->ShrtName) - 1);
      Str_Copy (Plc->FullName,Txt_Another_place    ,sizeof (Plc->FullName) - 1);
     }
   else if (Plc->PlcCod > 0)
     {
      /***** Get data of a place from database *****/
      if (Plc_DB_GetPlaceDataByCod (&mysql_res,Plc->PlcCod) == Exi_EXISTS) // Place found...
         Plc_GetPlaceDataFromRow (mysql_res,Plc);

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

/*****************************************************************************/
/********************** Get place data from database row *********************/
/*****************************************************************************/

static void Plc_GetPlaceDataFromRow (MYSQL_RES *mysql_res,struct Plc_Place *Plc)
  {
   MYSQL_ROW row;

   /***** Get next row from result *****/
   row = mysql_fetch_row (mysql_res);

   /***** Get place code (row[0]) *****/
   if ((Plc->PlcCod = Str_ConvertStrCodToLongCod (row[0])) <= 0)
      Err_WrongPlaceExit ();

   /***** Get the short (row[1]) and full (row[2]) names of the place *****/
   Str_Copy (Plc->ShrtName,row[1],sizeof (Plc->ShrtName) - 1);
   Str_Copy (Plc->FullName,row[2],sizeof (Plc->FullName) - 1);

   /***** Get number of centers in this place (row[3]) *****/
   if (sscanf (row[3],"%u",&Plc->NumCtrs) != 1)
      Plc->NumCtrs = 0;
  }

/*****************************************************************************/
/**************************** Free list of places ****************************/
/*****************************************************************************/

void Plc_FreeListPlaces (struct Plc_Places *Places)
  {
   if (Places->Lst)
     {
      /***** Free memory used by the list of places in institution *****/
      free (Places->Lst);
      Places->Lst = NULL;
      Places->Num = 0;
     }
  }

/*****************************************************************************/
/***************************** List all places *******************************/
/*****************************************************************************/

static void Plc_ListPlacesForEdition (const struct Plc_Places *Places)
  {
   static Act_Action_t ActionRename[Nam_NUM_SHRT_FULL_NAMES] =
     {
      [Nam_SHRT_NAME] = ActRenPlcSho,
      [Nam_FULL_NAME] = ActRenPlcFul,
     };
   unsigned NumPlc;
   struct Plc_Place *Plc;
   const char *Names[Nam_NUM_SHRT_FULL_NAMES];

   /***** Begin table *****/
   HTM_TABLE_Begin ("TBL_SCROLL");

      /***** Write heading *****/
      Plc_PutHeadPlaces ();

      /***** Write all places *****/
      for (NumPlc = 0;
	   NumPlc < Places->Num;
	   NumPlc++)
	{
	 Plc = &Places->Lst[NumPlc];

	 HTM_TR_Begin (NULL);

	    /* Put icon to remove place */
	    HTM_TD_Begin ("class=\"BM\"");
	       if (Plc->NumCtrs)	// Place has centers ==> deletion forbidden
		  Ico_PutIconRemovalNotAllowed ();
	       else
		  Ico_PutContextualIconToRemove (ActRemPlc,NULL,
						 Plc_PutParPlcCod,&Plc->PlcCod);
	    HTM_TD_End ();

	    /* Place code */
	    HTM_TD_Begin ("class=\"CODE DAT_%s\"",The_GetSuffix ());
	       HTM_Long (Plc->PlcCod);
	    HTM_TD_End ();

	    /* Place short name and full name */
	    Names[Nam_SHRT_NAME] = Plc->ShrtName;
	    Names[Nam_FULL_NAME] = Plc->FullName;
	    Nam_ExistingShortAndFullNames (ActionRename,
					   ParCod_Plc,Plc->PlcCod,
					   Names,
					   Frm_PUT_FORM);

	    /* Number of centers */
	    HTM_TD_Unsigned (Plc->NumCtrs);

	 HTM_TR_End ();
	}

   /***** End table *****/
   HTM_TABLE_End ();
  }

/*****************************************************************************/
/******************** Write parameter with code of place *********************/
/*****************************************************************************/

static void Plc_PutParPlcCod (void *PlcCod)
  {
   if (PlcCod)
      ParCod_PutPar (ParCod_Plc,*((long *) PlcCod));
  }

/*****************************************************************************/
/******************************* Remove a place ******************************/
/*****************************************************************************/

void Plc_RemovePlace (void)
  {
   extern const char *Txt_To_remove_a_place_you_must_first_remove_all_centers_of_that_place;
   extern const char *Txt_Place_X_removed;

   /***** Place constructor *****/
   Plc_EditingPlaceConstructor ();

   /***** Get place code *****/
   Plc_EditingPlc->PlcCod = ParCod_GetAndCheckPar (ParCod_Plc);

   /***** Get place data from database *****/
   Plc_GetPlaceDataByCod (Plc_EditingPlc);

   /***** Check if this place has centers *****/
   if (Plc_EditingPlc->NumCtrs)	// Place has centers ==> don't remove
      Ale_CreateAlert (Ale_WARNING,NULL,
	               Txt_To_remove_a_place_you_must_first_remove_all_centers_of_that_place);
   else			// Place has no centers ==> remove it
     {
      /***** Remove place *****/
      Plc_DB_RemovePlace (Plc_EditingPlc->PlcCod);

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

/*****************************************************************************/
/********************* Change the short name of a place **********************/
/*****************************************************************************/

void Plc_RenamePlaceShrt (void)
  {
   /***** Place constructor *****/
   Plc_EditingPlaceConstructor ();

   /***** Rename place *****/
   Plc_RenamePlace (Nam_SHRT_NAME);
  }

/*****************************************************************************/
/********************* Change the full name of a place ***********************/
/*****************************************************************************/

void Plc_RenamePlaceFull (void)
  {
   /***** Place constructor *****/
   Plc_EditingPlaceConstructor ();

   /***** Rename place *****/
   Plc_RenamePlace (Nam_FULL_NAME);
  }

/*****************************************************************************/
/************************ Change the name of a place *************************/
/*****************************************************************************/

static void Plc_RenamePlace (Nam_ShrtOrFullName_t ShrtOrFull)
  {
   extern const char *Nam_Fields[Nam_NUM_SHRT_FULL_NAMES];
   extern unsigned Nam_MaxBytes[Nam_NUM_SHRT_FULL_NAMES];
   extern const char *Txt_X_already_exists;
   extern const char *Txt_The_place_X_has_been_renamed_as_Y;
   extern const char *Txt_The_name_X_has_not_changed;
   char *CurrentName[Nam_NUM_SHRT_FULL_NAMES] =
     {
      [Nam_SHRT_NAME] = Plc_EditingPlc->ShrtName,
      [Nam_FULL_NAME] = Plc_EditingPlc->FullName,
     };
   char NewName[Nam_MAX_BYTES_FULL_NAME + 1];

   /***** Get parameters from form *****/
   /* Get the code of the place */
   Plc_EditingPlc->PlcCod = ParCod_GetAndCheckPar (ParCod_Plc);

   /* Get the new name for the place */
   Nam_GetParShrtOrFullName (ShrtOrFull,NewName);

   /***** Get place old names from database  *****/
   Plc_GetPlaceDataByCod (Plc_EditingPlc);

   /***** Check if new name is empty *****/
   if (NewName[0])
     {
      /***** Check if old and new names are the same
             (this happens when return is pressed without changes) *****/
      if (strcmp (CurrentName[ShrtOrFull],NewName))	// Different names
         /***** If place was in database... *****/
         switch (Plc_DB_CheckIfPlaceNameExists (Nam_Fields[ShrtOrFull],
					        NewName,Plc_EditingPlc->PlcCod,
					        Gbl.Hierarchy.Node[Hie_INS].HieCod,
					        0))	// Unused
	   {
	    case Exi_EXISTS:
	       Ale_CreateAlert (Ale_WARNING,NULL,Txt_X_already_exists,NewName);
	       break;
	    case Exi_DOES_NOT_EXIST:
	    default:
	       /* Update the table changing old name by new name */
	       Plc_DB_UpdatePlcName (Plc_EditingPlc->PlcCod,
				     Nam_Fields[ShrtOrFull],NewName);

	       /* Write message to show the change made */
	       Ale_CreateAlert (Ale_SUCCESS,NULL,
				Txt_The_place_X_has_been_renamed_as_Y,
				CurrentName[ShrtOrFull],NewName);
	       break;
	   }
      else	// The same name
         Ale_CreateAlert (Ale_INFO,NULL,Txt_The_name_X_has_not_changed,
                          CurrentName[ShrtOrFull]);
     }
   else
      Ale_CreateAlertYouCanNotLeaveFieldEmpty ();

   /***** Update place name *****/
   Str_Copy (CurrentName[ShrtOrFull],NewName,Nam_MaxBytes[ShrtOrFull]);
  }

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

void Plc_ContEditAfterChgPlc (void)
  {
   /***** Write message to show the change made *****/
   Ale_ShowAlerts (NULL);

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

   /***** Place destructor *****/
   Plc_EditingPlaceDestructor ();
  }

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

static void Plc_PutFormToCreatePlace (void)
  {
   const char *Names[Nam_NUM_SHRT_FULL_NAMES];

   /***** Begin form to create *****/
   Frm_BeginFormTable (ActNewPlc,NULL,NULL,NULL,"TBL_SCROLL");

      /***** Write heading *****/
      Plc_PutHeadPlaces ();

      HTM_TR_Begin (NULL);

	 /***** Column to remove place, disabled here *****/
	 HTM_TD_Begin ("class=\"BM\"");
	 HTM_TD_End ();

	 /***** Place code *****/
	 HTM_TD_Begin ("class=\"CODE\"");
	 HTM_TD_End ();

	 /***** Place short name and full name *****/
	 Names[Nam_SHRT_NAME] = Plc_EditingPlc->ShrtName;
	 Names[Nam_FULL_NAME] = Plc_EditingPlc->FullName;
	 Nam_NewShortAndFullNames (Names);

	 /***** Number of centers *****/
	 HTM_TD_Unsigned (0);

      HTM_TR_End ();

   /***** End form to create *****/
   Frm_EndFormTable (Btn_CREATE);
  }

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

static void Plc_PutHeadPlaces (void)
  {
   extern const char *Txt_Code;
   extern const char *Txt_Short_name;
   extern const char *Txt_Full_name;
   extern const char *Txt_HIERARCHY_PLURAL_Abc[Hie_NUM_LEVELS];

   HTM_TR_Begin (NULL);
      HTM_TH_Span (NULL			       ,HTM_HEAD_CENTER,1,1,"BT");
      HTM_TH (Txt_Code			       ,HTM_HEAD_RIGHT );
      HTM_TH (Txt_Short_name		       ,HTM_HEAD_LEFT  );
      HTM_TH (Txt_Full_name 		       ,HTM_HEAD_LEFT  );
      HTM_TH (Txt_HIERARCHY_PLURAL_Abc[Hie_CTR],HTM_HEAD_RIGHT );
   HTM_TR_End ();
  }

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

void Plc_ReceiveNewPlace (void)
  {
   extern const char *Txt_Created_new_place_X;
   char *Names[Nam_NUM_SHRT_FULL_NAMES];

   /***** Place constructor *****/
   Plc_EditingPlaceConstructor ();

   /***** Get parameters from form *****/
   /* Get place short name and full name */
   Names[Nam_SHRT_NAME] = Plc_EditingPlc->ShrtName;
   Names[Nam_FULL_NAME] = Plc_EditingPlc->FullName;
   Nam_GetParsShrtAndFullName (Names);

   if (Plc_EditingPlc->ShrtName[0] &&
       Plc_EditingPlc->FullName[0])	// If there's a place name
     {
      /***** If name of place was not in database... *****/
      if (Nam_CheckIfNameExists (Plc_DB_CheckIfPlaceNameExists,
				 (const char **) Names,
				 -1L,
				 Gbl.Hierarchy.Node[Hie_INS].HieCod,
				 0) == Exi_DOES_NOT_EXIST)	// Unused
        {
         Plc_DB_CreatePlace (Plc_EditingPlc);
	 Ale_CreateAlert (Ale_SUCCESS,NULL,Txt_Created_new_place_X,
			  Names[Nam_FULL_NAME]);
        }
     }
   else	// If there is not a place name
      Ale_CreateAlertYouMustSpecifyShrtNameAndFullName ();
  }

/*****************************************************************************/
/************************* Place constructor/destructor **********************/
/*****************************************************************************/

static void Plc_EditingPlaceConstructor (void)
  {
   /***** Pointer must be NULL *****/
   if (Plc_EditingPlc != NULL)
      Err_WrongPlaceExit ();

   /***** Allocate memory for place *****/
   if ((Plc_EditingPlc = malloc (sizeof (*Plc_EditingPlc))) == NULL)
      Err_NotEnoughMemoryExit ();

   /***** Reset place *****/
   Plc_EditingPlc->PlcCod      = -1L;
   Plc_EditingPlc->InsCod      = -1L;
   Plc_EditingPlc->ShrtName[0] = '\0';
   Plc_EditingPlc->FullName[0] = '\0';
   Plc_EditingPlc->NumCtrs     = 0;
  }

static void Plc_EditingPlaceDestructor (void)
  {
   /***** Free memory used for place *****/
   if (Plc_EditingPlc != NULL)
     {
      free (Plc_EditingPlc);
      Plc_EditingPlc = NULL;
     }
  }
