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swad-core/swad_link.c

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// swad_link.c: institutional links
/*
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) 1999-2023 Antonio Cañas 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_banner.h"
#include "swad_box.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_link.h"
#include "swad_link_database.h"
#include "swad_parameter.h"
#include "swad_parameter_code.h"
/*****************************************************************************/
/****************************** Private constants ****************************/
/*****************************************************************************/
static const bool Lnk_ICanEditLinks[Rol_NUM_ROLES] =
{
/* Users who can edit */
[Rol_SYS_ADM] = true,
};
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/******************************* Private types *******************************/
/*****************************************************************************/
struct Lnk_Links
{
unsigned Num; // Number of institutional links
struct Lnk_Link *Lst; // List of institutional links
};
/*****************************************************************************/
/***************************** Private variables *****************************/
/*****************************************************************************/
static struct Lnk_Link *Lnk_EditingLnk = NULL; // Static variable to keep the link being edited
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static void Lnk_PutIconsListingLinks (__attribute__((unused)) void *Args);
static void Lnk_PutIconToEditLinks (void);
static void Lnk_WriteListOfLinks (const struct Lnk_Links *Links,const char *Class);
static void Lnk_EditLinksInternal (void);
static void Lnk_PutIconsEditingLinks (__attribute__((unused)) void *Args);
static void Lnk_GetListLinks (struct Lnk_Links *Links);
static void Lnk_GetLinkDataFromRow (MYSQL_RES *mysql_res,struct Lnk_Link *Lnk);
static void Lnk_FreeListLinks (struct Lnk_Links *Links);
static void Lnk_ListLinksForEdition (const struct Lnk_Links *Links);
static void Lnk_PutParLnkCod (void *LnkCod);
static void Lnk_RenameLink (Cns_ShrtOrFullName_t ShrtOrFullName);
static void Lnk_PutFormToCreateLink (void);
static void Lnk_PutHeadLinks (void);
static void Lnk_EditingLinkConstructor (void);
static void Lnk_EditingLinkDestructor (void);
/*****************************************************************************/
/****************************** List all links *******************************/
/*****************************************************************************/
void Lnk_SeeLinks (void)
{
extern const char *Hlp_SYSTEM_Links;
extern const char *Txt_Links;
extern const char *Txt_No_links;
struct Lnk_Links Links;
/***** Get list of links *****/
Lnk_GetListLinks (&Links);
/***** Begin box *****/
Box_BoxBegin (NULL,Txt_Links,
Lnk_PutIconsListingLinks,NULL,
Hlp_SYSTEM_Links,Box_NOT_CLOSABLE);
/***** Write all links *****/
if (Links.Num) // There are links
Lnk_WriteListOfLinks (&Links,"class=\"LIST_LEFT\"");
else // No links created
Ale_ShowAlert (Ale_INFO,Txt_No_links);
/***** End box *****/
Box_BoxEnd ();
/***** Free list of links *****/
Lnk_FreeListLinks (&Links);
}
/*****************************************************************************/
/***************** Put contextual icons in list of links *********************/
/*****************************************************************************/
static void Lnk_PutIconsListingLinks (__attribute__((unused)) void *Args)
{
/***** Put icon to edit links *****/
if (Lnk_ICanEditLinks[Gbl.Usrs.Me.Role.Logged])
Lnk_PutIconToEditLinks ();
/***** Put icon to view banners *****/
Ban_PutIconToViewBanners ();
}
/*****************************************************************************/
/************************** Put icon to edit links ***************************/
/*****************************************************************************/
static void Lnk_PutIconToEditLinks (void)
{
Ico_PutContextualIconToEdit (ActEdiLnk,NULL,
NULL,NULL);
}
/*****************************************************************************/
/***************** Write menu with some institutional links ******************/
/*****************************************************************************/
void Lnk_WriteMenuWithInstitutionalLinks (void)
{
extern const char *Txt_Links;
struct Lnk_Links Links;
/***** Get list of links *****/
Lnk_GetListLinks (&Links);
/***** Write all links *****/
if (Links.Num)
{
HTM_FIELDSET_Begin ("id=\"institutional_links\" class=\"INS_LNK_%s\"",
The_GetSuffix ());
HTM_LEGEND (Txt_Links);
Lnk_WriteListOfLinks (&Links,NULL);
HTM_FIELDSET_End ();
}
/***** Free list of links *****/
Lnk_FreeListLinks (&Links);
}
/*****************************************************************************/
/*************************** Write list of links *****************************/
/*****************************************************************************/
static void Lnk_WriteListOfLinks (const struct Lnk_Links *Links,const char *Class)
{
unsigned NumLnk;
/***** List start *****/
HTM_UL_Begin (Class);
/***** Write all links *****/
for (NumLnk = 0;
NumLnk < Links->Num;
NumLnk++)
{
/* Write data of this link */
HTM_LI_Begin ("class=\"ICO_HIGHLIGHT INS_LNK\"");
HTM_A_Begin ("href=\"%s\" title=\"%s\""
" class=\"INS_LNK_%s\" target=\"_blank\"",
Links->Lst[NumLnk].WWW,
Links->Lst[NumLnk].FullName,
The_GetSuffix ());
HTM_Txt (Links->Lst[NumLnk].ShrtName);
HTM_A_End ();
HTM_LI_End ();
}
/***** List end *****/
HTM_UL_End ();
}
/*****************************************************************************/
/************************** Put forms to edit links **************************/
/*****************************************************************************/
void Lnk_EditLinks (void)
{
/***** Link constructor *****/
Lnk_EditingLinkConstructor ();
/***** Edit links *****/
Lnk_EditLinksInternal ();
/***** Link destructor *****/
Lnk_EditingLinkDestructor ();
}
static void Lnk_EditLinksInternal (void)
{
extern const char *Hlp_SYSTEM_Links_edit;
extern const char *Txt_Links;
struct Lnk_Links Links;
/***** Get list of links *****/
Lnk_GetListLinks (&Links);
/***** Begin box *****/
Box_BoxBegin (NULL,Txt_Links,
Lnk_PutIconsEditingLinks,NULL,
Hlp_SYSTEM_Links_edit,Box_NOT_CLOSABLE);
/***** Put a form to create a new link *****/
Lnk_PutFormToCreateLink ();
/***** Forms to edit current links *****/
if (Links.Num)
Lnk_ListLinksForEdition (&Links);
/***** End box *****/
Box_BoxEnd ();
/***** Free list of links *****/
Lnk_FreeListLinks (&Links);
}
/*****************************************************************************/
/******************** Put contextual icons to view links *********************/
/*****************************************************************************/
static void Lnk_PutIconsEditingLinks (__attribute__((unused)) void *Args)
{
/***** Put icon to view links *****/
Ico_PutContextualIconToView (ActSeeLnk,NULL,
NULL,NULL);
/***** Put icon to view banners *****/
Ban_PutIconToViewBanners ();
}
/*****************************************************************************/
/************************** Put icon to view links ***************************/
/*****************************************************************************/
void Lnk_PutIconToViewLinks (void)
{
Lay_PutContextualLinkOnlyIcon (ActSeeLnk,NULL,
NULL,NULL,
"up-right-from-square.svg",Ico_BLACK);
}
/*****************************************************************************/
/****************************** List all links *******************************/
/*****************************************************************************/
static void Lnk_GetListLinks (struct Lnk_Links *Links)
{
MYSQL_RES *mysql_res;
unsigned NumLnk;
/***** Reset links *****/
Links->Num = 0;
Links->Lst = NULL;
if (DB_CheckIfDatabaseIsOpen ())
{
/***** Get institutional links from database *****/
if ((Links->Num = Lnk_DB_GetLinks (&mysql_res))) // Links found...
{
/***** Create list with places *****/
if ((Links->Lst = calloc ((size_t) Links->Num,
sizeof (struct Lnk_Link))) == NULL)
Err_NotEnoughMemoryExit ();
/***** Get the links *****/
for (NumLnk = 0;
NumLnk < Links->Num;
NumLnk++)
Lnk_GetLinkDataFromRow (mysql_res,&Links->Lst[NumLnk]);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
}
/*****************************************************************************/
/**************************** Get link full name *****************************/
/*****************************************************************************/
void Lnk_GetLinkDataByCod (struct Lnk_Link *Lnk)
{
MYSQL_RES *mysql_res;
/***** Clear data *****/
Lnk->ShrtName[0] =
Lnk->FullName[0] =
Lnk->WWW[0] = '\0';
/***** Check if link code is correct *****/
if (Lnk->LnkCod > 0)
{
/***** Get data of an institutional link from database *****/
if (Lnk_DB_GetLinkDataByCod (&mysql_res,Lnk->LnkCod)) // Link found...
Lnk_GetLinkDataFromRow (mysql_res,Lnk);
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
}
/*****************************************************************************/
/**************************** Get data of link *******************************/
/*****************************************************************************/
static void Lnk_GetLinkDataFromRow (MYSQL_RES *mysql_res,struct Lnk_Link *Lnk)
{
MYSQL_ROW row;
/***** Get next row from result *****/
row = mysql_fetch_row (mysql_res);
/*
row[0] LnkCod
row[1] ShortName
row[2] FullName
row[3] WWW
*/
/***** Get plugin code (row[0]) *****/
if ((Lnk->LnkCod = Str_ConvertStrCodToLongCod (row[0])) <= 0)
Err_WrongLinkExit ();
/***** Get the short name (row[1]),
the full name (row[2])
and the URL (row[3]) of the link *****/
Str_Copy (Lnk->ShrtName,row[1],sizeof (Lnk->ShrtName) - 1);
Str_Copy (Lnk->FullName,row[2],sizeof (Lnk->FullName) - 1);
Str_Copy (Lnk->WWW ,row[3],sizeof (Lnk->WWW ) - 1);
}
/*****************************************************************************/
/**************************** Free list of links *****************************/
/*****************************************************************************/
static void Lnk_FreeListLinks (struct Lnk_Links *Links)
{
if (Links->Num && Links->Lst)
{
free (Links->Lst);
Links->Lst = NULL;
Links->Num = 0;
}
}
/*****************************************************************************/
/****************************** List all links *******************************/
/*****************************************************************************/
static void Lnk_ListLinksForEdition (const struct Lnk_Links *Links)
{
unsigned NumLnk;
struct Lnk_Link *Lnk;
/***** Begin table *****/
HTM_TABLE_BeginWidePadding (2);
/***** Table head *****/
Lnk_PutHeadLinks ();
/***** Write all links *****/
for (NumLnk = 0;
NumLnk < Links->Num;
NumLnk++)
{
Lnk = &Links->Lst[NumLnk];
HTM_TR_Begin (NULL);
/* Put icon to remove link */
HTM_TD_Begin ("class=\"BM\"");
Ico_PutContextualIconToRemove (ActRemLnk,NULL,
Lnk_PutParLnkCod,&Lnk->LnkCod);
HTM_TD_End ();
/* Link code */
HTM_TD_Begin ("class=\"CODE DAT_%s\"",The_GetSuffix ());
HTM_Long (Lnk->LnkCod);
HTM_TD_End ();
/* Link short name */
HTM_TD_Begin ("class=\"CM\"");
Frm_BeginForm (ActRenLnkSho);
ParCod_PutPar (ParCod_Lnk,Lnk->LnkCod);
HTM_INPUT_TEXT ("ShortName",Lnk_MAX_CHARS_LINK_SHRT_NAME,Lnk->ShrtName,
HTM_SUBMIT_ON_CHANGE,
"class=\"INPUT_SHORT_NAME INPUT_%s\""
" required=\"required\"",
The_GetSuffix ());
Frm_EndForm ();
HTM_TD_End ();
/* Link full name */
HTM_TD_Begin ("class=\"CM\"");
Frm_BeginForm (ActRenLnkFul);
ParCod_PutPar (ParCod_Lnk,Lnk->LnkCod);
HTM_INPUT_TEXT ("FullName",Lnk_MAX_CHARS_LINK_FULL_NAME,Lnk->FullName,
HTM_SUBMIT_ON_CHANGE,
"class=\"INPUT_FULL_NAME INPUT_%s\""
" required=\"required\"",
The_GetSuffix ());
Frm_EndForm ();
HTM_TD_End ();
/* Link WWW */
HTM_TD_Begin ("class=\"CM\"");
Frm_BeginForm (ActChgLnkWWW);
ParCod_PutPar (ParCod_Lnk,Lnk->LnkCod);
HTM_INPUT_URL ("WWW",Lnk->WWW,HTM_SUBMIT_ON_CHANGE,
"class=\"INPUT_WWW_NARROW INPUT_%s\""
" required=\"required\"",
The_GetSuffix ());
Frm_EndForm ();
HTM_TD_End ();
HTM_TR_End ();
}
/***** End table *****/
HTM_TABLE_End ();
}
/*****************************************************************************/
/******************** Write parameter with code of link **********************/
/*****************************************************************************/
static void Lnk_PutParLnkCod (void *LnkCod)
{
if (LnkCod)
ParCod_PutPar (ParCod_Lnk,*((long *) LnkCod));
}
/*****************************************************************************/
/******************************* Remove a link *******************************/
/*****************************************************************************/
void Lnk_RemoveLink (void)
{
extern const char *Txt_Link_X_removed;
/***** Link constructor *****/
Lnk_EditingLinkConstructor ();
/***** Get link code *****/
Lnk_EditingLnk->LnkCod = ParCod_GetAndCheckPar (ParCod_Lnk);
/***** Get data of the link from database *****/
Lnk_GetLinkDataByCod (Lnk_EditingLnk);
/***** Remove link *****/
Lnk_DB_RemoveLink (Lnk_EditingLnk->LnkCod);
/***** Write message to show the change made *****/
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_Link_X_removed,
Lnk_EditingLnk->ShrtName);
}
/*****************************************************************************/
/********************* Change the short name of a link ***********************/
/*****************************************************************************/
void Lnk_RenameLinkShort (void)
{
/***** Link constructor *****/
Lnk_EditingLinkConstructor ();
/***** Rename link *****/
Lnk_RenameLink (Cns_SHRT_NAME);
}
/*****************************************************************************/
/********************* Change the full name of a link ************************/
/*****************************************************************************/
void Lnk_RenameLinkFull (void)
{
/***** Link constructor *****/
Lnk_EditingLinkConstructor ();
/***** Rename link *****/
Lnk_RenameLink (Cns_FULL_NAME);
}
/*****************************************************************************/
/************************ Change the name of a link **************************/
/*****************************************************************************/
static void Lnk_RenameLink (Cns_ShrtOrFullName_t ShrtOrFullName)
{
extern const char *Txt_The_link_X_already_exists;
extern const char *Txt_The_link_X_has_been_renamed_as_Y;
extern const char *Txt_The_name_X_has_not_changed;
const char *ParName = NULL; // Initialized to avoid warning
const char *FldName = NULL; // Initialized to avoid warning
unsigned MaxBytes = 0; // Initialized to avoid warning
char *CurrentLnkName = NULL; // Initialized to avoid warning
char NewLnkName[Lnk_MAX_BYTES_LINK_FULL_NAME + 1];
switch (ShrtOrFullName)
{
case Cns_SHRT_NAME:
ParName = "ShortName";
FldName = "ShortName";
MaxBytes = Lnk_MAX_BYTES_LINK_SHRT_NAME;
CurrentLnkName = Lnk_EditingLnk->ShrtName;
break;
case Cns_FULL_NAME:
ParName = "FullName";
FldName = "FullName";
MaxBytes = Lnk_MAX_BYTES_LINK_FULL_NAME;
CurrentLnkName = Lnk_EditingLnk->FullName;
break;
}
/***** Get parameters from form *****/
/* Get the code of the link */
Lnk_EditingLnk->LnkCod = ParCod_GetAndCheckPar (ParCod_Lnk);
/* Get the new name for the link */
Par_GetParText (ParName,NewLnkName,MaxBytes);
/***** Get link data from the database *****/
Lnk_GetLinkDataByCod (Lnk_EditingLnk);
/***** Check if new name is empty *****/
if (NewLnkName[0])
{
/***** Check if old and new names are the same
(this happens when return is pressed without changes) *****/
if (strcmp (CurrentLnkName,NewLnkName)) // Different names
{
/***** If link was in database... *****/
if (Lnk_DB_CheckIfLinkNameExists (ParName,NewLnkName,Lnk_EditingLnk->LnkCod))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_link_X_already_exists,
NewLnkName);
else
{
/* Update the table changing old name by new name */
Lnk_DB_UpdateLnkName (Lnk_EditingLnk->LnkCod,FldName,NewLnkName);
/* Write message to show the change made */
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_The_link_X_has_been_renamed_as_Y,
CurrentLnkName,NewLnkName);
}
}
else // The same name
Ale_CreateAlert (Ale_INFO,NULL,
Txt_The_name_X_has_not_changed,CurrentLnkName);
}
else
Ale_CreateAlertYouCanNotLeaveFieldEmpty ();
/***** Update name *****/
Str_Copy (CurrentLnkName,NewLnkName,MaxBytes);
}
/*****************************************************************************/
/**************** Change the WWW of an institutional link ********************/
/*****************************************************************************/
void Lnk_ChangeLinkWWW (void)
{
extern const char *Txt_The_new_web_address_is_X;
char NewWWW[Cns_MAX_BYTES_WWW + 1];
/***** Link constructor *****/
Lnk_EditingLinkConstructor ();
/***** Get parameters from form *****/
/* Get the code of the link */
Lnk_EditingLnk->LnkCod = ParCod_GetAndCheckPar (ParCod_Lnk);
/* Get the new WWW for the link */
Par_GetParText ("WWW",NewWWW,Cns_MAX_BYTES_WWW);
/***** Get link data from the database *****/
Lnk_GetLinkDataByCod (Lnk_EditingLnk);
/***** Check if new WWW is empty *****/
if (NewWWW[0])
{
/***** Update the table changing old WWW by new WWW *****/
Lnk_DB_UpdateLnkWWW (Lnk_EditingLnk->LnkCod,NewWWW);
/***** Message to show the change made *****/
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_The_new_web_address_is_X,
NewWWW);
}
else
Ale_CreateAlertYouCanNotLeaveFieldEmpty ();
/***** Update web *****/
Str_Copy (Lnk_EditingLnk->WWW,NewWWW,sizeof (Lnk_EditingLnk->WWW) - 1);
}
/*****************************************************************************/
/********** Show alerts after changing a link and continue editing ***********/
/*****************************************************************************/
void Lnk_ContEditAfterChgLnk (void)
{
/***** Write message to show the change made *****/
Ale_ShowAlerts (NULL);
/***** Show the form again *****/
Lnk_EditLinksInternal ();
/***** Link destructor *****/
Lnk_EditingLinkDestructor ();
}
/*****************************************************************************/
/********************* Put a form to create a new link ***********************/
/*****************************************************************************/
static void Lnk_PutFormToCreateLink (void)
{
/***** Begin form to create *****/
Frm_BeginFormTable (ActNewLnk,NULL,NULL,NULL);
/***** Write heading *****/
Lnk_PutHeadLinks ();
HTM_TR_Begin (NULL);
/***** Column to remove link, disabled here *****/
HTM_TD_Begin ("class=\"BM\"");
HTM_TD_End ();
/***** Link code *****/
HTM_TD_Begin ("class=\"CODE\"");
HTM_TD_End ();
/***** Link short name *****/
HTM_TD_Begin ("class=\"CM\"");
HTM_INPUT_TEXT ("ShortName",Lnk_MAX_CHARS_LINK_SHRT_NAME,Lnk_EditingLnk->ShrtName,
HTM_DONT_SUBMIT_ON_CHANGE,
"class=\"INPUT_SHORT_NAME INPUT_%s\""
" required=\"required\"",
The_GetSuffix ());
HTM_TD_End ();
/***** Link full name *****/
HTM_TD_Begin ("class=\"CM\"");
HTM_INPUT_TEXT ("FullName",Lnk_MAX_CHARS_LINK_FULL_NAME,Lnk_EditingLnk->FullName,
HTM_DONT_SUBMIT_ON_CHANGE,
"class=\"INPUT_FULL_NAME INPUT_%s\""
" required=\"required\"",
The_GetSuffix ());
HTM_TD_End ();
/***** Link WWW *****/
HTM_TD_Begin ("class=\"CM\"");
HTM_INPUT_URL ("WWW",Lnk_EditingLnk->WWW,HTM_DONT_SUBMIT_ON_CHANGE,
"class=\"INPUT_WWW_NARROW INPUT_%s\""
" required=\"required\"",
The_GetSuffix ());
HTM_TD_End ();
HTM_TR_End ();
/***** End form to create *****/
Frm_EndFormTable (Btn_CREATE_BUTTON);
}
/*****************************************************************************/
/******************** Write header with fields of a link *********************/
/*****************************************************************************/
static void Lnk_PutHeadLinks (void)
{
extern const char *Txt_Code;
extern const char *Txt_Short_name;
extern const char *Txt_Full_name;
extern const char *Txt_WWW;
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_WWW ,HTM_HEAD_LEFT );
HTM_TR_End ();
}
/*****************************************************************************/
/******************* Receive form to create a new link ***********************/
/*****************************************************************************/
void Lnk_ReceiveFormNewLink (void)
{
extern const char *Txt_The_link_X_already_exists;
extern const char *Txt_You_must_specify_the_web_address;
extern const char *Txt_Created_new_link_X;
/***** Link constructor *****/
Lnk_EditingLinkConstructor ();
/***** Get parameters from form *****/
/* Get link short name */
Par_GetParText ("ShortName",Lnk_EditingLnk->ShrtName,Lnk_MAX_BYTES_LINK_SHRT_NAME);
/* Get link full name */
Par_GetParText ("FullName",Lnk_EditingLnk->FullName,Lnk_MAX_BYTES_LINK_FULL_NAME);
/* Get link URL */
Par_GetParText ("WWW",Lnk_EditingLnk->WWW,Cns_MAX_BYTES_WWW);
if (Lnk_EditingLnk->ShrtName[0] &&
Lnk_EditingLnk->FullName[0]) // If there's a link name
{
/***** If name of link was in database... *****/
if (Lnk_DB_CheckIfLinkNameExists ("ShortName",Lnk_EditingLnk->ShrtName,-1L))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_link_X_already_exists,
Lnk_EditingLnk->ShrtName);
else if (Lnk_DB_CheckIfLinkNameExists ("FullName",Lnk_EditingLnk->FullName,-1L))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_link_X_already_exists,
Lnk_EditingLnk->FullName);
else if (!Lnk_EditingLnk->WWW[0])
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_You_must_specify_the_web_address);
else // Add new link to database
{
Lnk_DB_CreateLink (Lnk_EditingLnk);
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_Created_new_link_X,
Lnk_EditingLnk->ShrtName);
}
}
else // If there is not a link name
Ale_CreateAlertYouMustSpecifyTheShortNameAndTheFullName ();
}
/*****************************************************************************/
/************************* Place constructor/destructor **********************/
/*****************************************************************************/
static void Lnk_EditingLinkConstructor (void)
{
/***** Pointer must be NULL *****/
if (Lnk_EditingLnk != NULL)
Err_WrongLinkExit ();
/***** Allocate memory for link *****/
if ((Lnk_EditingLnk = malloc (sizeof (*Lnk_EditingLnk))) == NULL)
Err_NotEnoughMemoryExit ();
/***** Reset link *****/
Lnk_EditingLnk->LnkCod = -1L;
Lnk_EditingLnk->ShrtName[0] = '\0';
Lnk_EditingLnk->FullName[0] = '\0';
Lnk_EditingLnk->WWW[0] = '\0';
}
static void Lnk_EditingLinkDestructor (void)
{
/***** Free memory used for link *****/
if (Lnk_EditingLnk != NULL)
{
free (Lnk_EditingLnk);
Lnk_EditingLnk = NULL;
}
}
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