mirror of https://github.com/acanas/swad-core.git
2123 lines
72 KiB
C
2123 lines
72 KiB
C
// swad_program.c: course program
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2020 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#define _GNU_SOURCE // For asprintf
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#include <linux/limits.h> // For PATH_MAX
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#include <stddef.h> // For NULL
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#include <stdio.h> // For asprintf
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#include <stdlib.h> // For calloc
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#include <string.h> // For string functions
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#include "swad_box.h"
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#include "swad_database.h"
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#include "swad_figure.h"
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#include "swad_form.h"
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#include "swad_global.h"
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#include "swad_HTML.h"
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#include "swad_pagination.h"
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#include "swad_parameter.h"
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#include "swad_photo.h"
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#include "swad_program.h"
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#include "swad_role.h"
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#include "swad_setting.h"
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#include "swad_string.h"
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/***************************** Private constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/******************************* Private types *******************************/
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/*****************************************************************************/
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typedef enum
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{
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Prg_DONT_PUT_FORM_ITEM,
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Prg_PUT_FORM_CREATE_ITEM,
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Prg_PUT_FORM_CHANGE_ITEM,
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} Prg_CreateOrChangeItem_t;
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/*****************************************************************************/
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/***************************** Private variables *****************************/
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/*****************************************************************************/
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static long Prg_CurrentItmCod; // Used as parameter in contextual links
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static unsigned Prg_MaxLevel; // Maximum level of items
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static unsigned *Prg_NumItem = NULL; // Numbers for each level from 1 to maximum level
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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static void Prg_ShowAllItems (Prg_CreateOrChangeItem_t CreateOrChangeItem,
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long ItmCod);
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static bool Prg_CheckIfICanCreateItems (void);
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static void Prg_PutIconsListItems (void);
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static void Prg_PutIconToCreateNewItem (void);
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static void Prg_PutButtonToCreateNewItem (void);
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static void Prg_ShowOneItem (unsigned NumItem,
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Prg_CreateOrChangeItem_t CreateOrChangeItem,
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bool PrintView);
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static void Prg_CreateNumbers (unsigned MaxLevel);
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static void Prg_FreeNumbers (void);
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static void Prg_IncreaseNumItem (unsigned Level);
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static unsigned Prg_GetNumItem (unsigned Level);
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static void Prg_WriteNumItem (unsigned Level);
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static void Prg_PutFormsToRemEditOnePrgItem (unsigned NumItem,const char *Anchor);
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static bool Prg_CheckIfMoveUpIsAllowed (unsigned NumItem);
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static bool Prg_CheckIfMoveDownIsAllowed (unsigned NumItem);
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static bool Prg_CheckIfMoveLeftIsAllowed (unsigned NumItem);
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static bool Prg_CheckIfMoveRightIsAllowed (unsigned NumItem);
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static void Prg_SetCurrentItmCod (long ItmCod);
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static long Prg_GetCurrentItmCod (void);
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static void Prg_PutParams (void);
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static void Prg_GetListPrgItems (void);
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static void Prg_GetDataOfItemByCod (struct ProgramItem *Item);
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static void Prg_GetDataOfItem (struct ProgramItem *Item,
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MYSQL_RES **mysql_res,
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unsigned long NumRows);
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static void Prg_ResetItem (struct ProgramItem *Item);
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static void Prg_FreeListItems (void);
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static void Prg_GetPrgItemTxtFromDB (long ItmCod,char Txt[Cns_MAX_BYTES_TEXT + 1]);
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static void Prg_PutParamItmCod (long ItmCod);
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static long Prg_GetParamItmCod (void);
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static unsigned Prg_GetNumItemFromItmCod (unsigned ItmCod);
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static unsigned Prg_GetMaxItemLevel (void);
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static int Prg_GetPrevBrother (int NumItem);
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static int Prg_GetNextBrother (int NumItem);
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static unsigned Prg_GetLastChild (int NumItem);
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static void Prg_ExchangeItems (int NumItemTop,int NumItemBottom);
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static void Prg_MoveItemAndChildrenLeft (unsigned NumItem);
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static void Prg_MoveItemAndChildrenRight (unsigned NumItem);
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static bool Prg_CheckIfSimilarPrgItemExists (const char *Field,const char *Value,long ItmCod);
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static void Prg_ShowFormToCreatePrgItem (long ParentItmCod);
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static void Prg_ShowFormToChangePrgItem (long ItmCod);
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static void Prg_ShowFormToPrgItem (const struct ProgramItem *Item,
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const Dat_SetHMS SetHMS[Dat_NUM_START_END_TIME],
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const char *Txt);
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static void Prg_InsertPrgItem (struct ProgramItem *ParentItem,
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struct ProgramItem *Item,const char *Txt);
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static long Prg_InsertPrgItemIntoDB (struct ProgramItem *Item,const char *Txt);
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static void Prg_UpdatePrgItem (struct ProgramItem *Item,const char *Txt);
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/*****************************************************************************/
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/************************ List all the program items *************************/
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/*****************************************************************************/
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void Prg_SeeCourseProgram (void)
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{
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/***** Show all the program items *****/
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Prg_ShowAllItems (Prg_DONT_PUT_FORM_ITEM,-1L);
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}
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/*****************************************************************************/
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/*********************** Show all the program items **************************/
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/*****************************************************************************/
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static void Prg_ShowAllItems (Prg_CreateOrChangeItem_t CreateOrChangeItem,
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long ItmCod)
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{
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extern const char *Hlp_COURSE_Program;
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extern const char *Txt_Course_program;
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extern const char *Txt_No_items;
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unsigned NumItem;
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/***** Get list of program items *****/
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Prg_GetListPrgItems ();
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if (Gbl.Prg.Num)
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{
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Prg_MaxLevel = Prg_GetMaxItemLevel ();
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Prg_CreateNumbers (Prg_MaxLevel);
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}
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else
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Prg_MaxLevel = 0;
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/***** Begin box *****/
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Box_BoxBegin ("100%",Txt_Course_program,Prg_PutIconsListItems,
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Hlp_COURSE_Program,Box_NOT_CLOSABLE);
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if (Gbl.Prg.Num)
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{
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/***** Table head *****/
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HTM_TABLE_BeginWideMarginPadding (2);
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/***** Write all the program items *****/
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for (NumItem = 0;
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NumItem < Gbl.Prg.Num;
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NumItem++)
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Prg_ShowOneItem (NumItem,
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ItmCod == Gbl.Prg.LstItems[NumItem].ItmCod ? CreateOrChangeItem :
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Prg_DONT_PUT_FORM_ITEM,
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false); // Not print view
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/***** End table *****/
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HTM_TABLE_End ();
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}
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else // No program items created
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Ale_ShowAlert (Ale_INFO,Txt_No_items);
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/***** Button to create a new program item *****/
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if (Prg_CheckIfICanCreateItems ())
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Prg_PutButtonToCreateNewItem ();
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/***** End box *****/
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Box_BoxEnd ();
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/***** Free list of program items *****/
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if (Gbl.Prg.Num)
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Prg_FreeNumbers ();
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Prg_FreeListItems ();
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}
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/*****************************************************************************/
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/******************* Check if I can create program items *********************/
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/*****************************************************************************/
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static bool Prg_CheckIfICanCreateItems (void)
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{
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return (bool) (Gbl.Usrs.Me.Role.Logged == Rol_TCH ||
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Gbl.Usrs.Me.Role.Logged == Rol_SYS_ADM);
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}
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/*****************************************************************************/
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/************** Put contextual icons in list of program items ****************/
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/*****************************************************************************/
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static void Prg_PutIconsListItems (void)
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{
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/***** Put icon to create a new program item *****/
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if (Prg_CheckIfICanCreateItems ())
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Prg_PutIconToCreateNewItem ();
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/***** Put icon to show a figure *****/
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Gbl.Figures.FigureType = Fig_COURSE_PROGRAMS;
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Fig_PutIconToShowFigure ();
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}
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/*****************************************************************************/
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/****************** Put icon to create a new program item ********************/
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/*****************************************************************************/
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static void Prg_PutIconToCreateNewItem (void)
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{
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extern const char *Txt_New_item;
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/***** Put form to create a new program item *****/
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Prg_SetCurrentItmCod (-1L);
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Ico_PutContextualIconToAdd (ActFrmNewPrgItm,NULL,Prg_PutParams,
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Txt_New_item);
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}
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/*****************************************************************************/
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/***************** Put button to create a new program item *******************/
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/*****************************************************************************/
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static void Prg_PutButtonToCreateNewItem (void)
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{
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extern const char *Txt_New_item;
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Prg_SetCurrentItmCod (-1L);
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Frm_StartForm (ActFrmNewPrgItm);
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Prg_PutParams ();
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Btn_PutConfirmButton (Txt_New_item);
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Frm_EndForm ();
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}
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/*****************************************************************************/
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/************************** Show one program item ****************************/
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/*****************************************************************************/
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#define Prg_WIDTH_NUM_ITEM 20
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static void Prg_ShowOneItem (unsigned NumItem,
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Prg_CreateOrChangeItem_t CreateOrChangeItem,
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bool PrintView)
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{
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char *Anchor = NULL;
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static unsigned UniqueId = 0;
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char *Id;
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struct ProgramItem Item;
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unsigned ColSpan;
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Dat_StartEndTime_t StartEndTime;
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char Txt[Cns_MAX_BYTES_TEXT + 1];
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/***** Get data of this program item *****/
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Item.Hierarchy.ItmCod = Gbl.Prg.LstItems[NumItem].ItmCod;
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Prg_GetDataOfItemByCod (&Item);
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Prg_IncreaseNumItem (Item.Hierarchy.Level);
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/***** Set anchor string *****/
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Frm_SetAnchorStr (Item.Hierarchy.ItmCod,&Anchor);
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/***** Start row *****/
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HTM_TR_Begin (NULL);
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/***** Forms to remove/edit this program item *****/
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if (!PrintView)
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{
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HTM_TD_Begin ("class=\"PRG_COL1 LT COLOR%u\"",Gbl.RowEvenOdd);
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Prg_PutFormsToRemEditOnePrgItem (NumItem,Anchor);
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HTM_TD_End ();
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}
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/***** Indent depending on the level *****/
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if (Item.Hierarchy.Level > 1)
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{
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HTM_TD_Begin ("colspan=\"%u\" class=\"COLOR%u\"",
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Item.Hierarchy.Level - 1,Gbl.RowEvenOdd);
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HTM_TD_End ();
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}
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/***** Item number *****/
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HTM_TD_Begin ("class=\"%s RT COLOR%u\" style=\"width:%dpx;\"",
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Item.Hidden ? "ASG_TITLE_LIGHT" :
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"ASG_TITLE",
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Gbl.RowEvenOdd,
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Item.Hierarchy.Level * Prg_WIDTH_NUM_ITEM);
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Prg_WriteNumItem (Item.Hierarchy.Level);
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HTM_TD_End ();
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/***** Title and text *****/
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/* Begin title and text */
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ColSpan = Prg_MaxLevel - Item.Hierarchy.Level + 1;
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if (PrintView)
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HTM_TD_Begin ("colspan=\"%u\" class=\"LT\"",
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ColSpan);
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else
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HTM_TD_Begin ("colspan=\"%u\" class=\"LT COLOR%u\"",
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ColSpan,Gbl.RowEvenOdd);
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HTM_ARTICLE_Begin (Anchor);
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/* Title */
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HTM_DIV_Begin ("class=\"%s\"",
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Item.Hidden ? "ASG_TITLE_LIGHT" :
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"ASG_TITLE");
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HTM_Txt (Item.Title);
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HTM_DIV_End ();
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/* Text */
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Prg_GetPrgItemTxtFromDB (Item.Hierarchy.ItmCod,Txt);
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Str_ChangeFormat (Str_FROM_HTML,Str_TO_RIGOROUS_HTML,
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Txt,Cns_MAX_BYTES_TEXT,false); // Convert from HTML to recpectful HTML
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Str_InsertLinks (Txt,Cns_MAX_BYTES_TEXT,60); // Insert links
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HTM_DIV_Begin ("class=\"PAR %s\"",Item.Hidden ? "DAT_LIGHT" :
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"DAT");
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HTM_Txt (Txt);
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HTM_DIV_End ();
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/* End title and text */
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HTM_ARTICLE_End ();
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HTM_TD_End ();
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/***** Start/end date/time *****/
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UniqueId++;
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for (StartEndTime = (Dat_StartEndTime_t) 0;
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StartEndTime <= (Dat_StartEndTime_t) (Dat_NUM_START_END_TIME - 1);
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StartEndTime++)
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{
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if (asprintf (&Id,"scd_date_%u_%u",(unsigned) StartEndTime,UniqueId) < 0)
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Lay_NotEnoughMemoryExit ();
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if (PrintView)
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HTM_TD_Begin ("id=\"%s\" class=\"%s LT\"",
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Id,
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Item.Hidden ? (Item.Open ? "DATE_GREEN_LIGHT" :
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"DATE_RED_LIGHT") :
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(Item.Open ? "DATE_GREEN" :
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"DATE_RED"));
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else
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HTM_TD_Begin ("id=\"%s\" class=\"%s LT COLOR%u\"",
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Id,
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Item.Hidden ? (Item.Open ? "DATE_GREEN_LIGHT" :
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"DATE_RED_LIGHT") :
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(Item.Open ? "DATE_GREEN" :
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"DATE_RED"),
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Gbl.RowEvenOdd);
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Dat_WriteLocalDateHMSFromUTC (Id,Item.TimeUTC[StartEndTime],
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Gbl.Prefs.DateFormat,Dat_SEPARATOR_BREAK,
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true,true,true,0x7);
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HTM_TD_End ();
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free (Id);
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}
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/***** End row *****/
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HTM_TR_End ();
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/***** Form to create/change item *****/
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switch (CreateOrChangeItem)
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{
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case Prg_DONT_PUT_FORM_ITEM:
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break;
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case Prg_PUT_FORM_CREATE_ITEM:
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case Prg_PUT_FORM_CHANGE_ITEM:
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/* Start row */
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HTM_TR_Begin (NULL);
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/* Column under icons */
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HTM_TD_Begin ("class=\"PRG_COL1 LT COLOR%u\"",Gbl.RowEvenOdd);
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HTM_TD_End ();
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/* Indent depending on the level */
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if (Item.Hierarchy.Level > 1)
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{
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HTM_TD_Begin ("colspan=\"%u\" class=\"COLOR%u\"",
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Item.Hierarchy.Level - 1,Gbl.RowEvenOdd);
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HTM_TD_End ();
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}
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if (CreateOrChangeItem == Prg_PUT_FORM_CREATE_ITEM)
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{
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/* Column under item number */
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HTM_TD_Begin ("class=\"COLOR%u\" style=\"width:%dpx;\"",
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Gbl.RowEvenOdd,
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Item.Hierarchy.Level * Prg_WIDTH_NUM_ITEM);
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HTM_TD_End ();
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/* Show form to create new item as child */
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ColSpan = Prg_MaxLevel - Item.Hierarchy.Level + 3;
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HTM_TD_Begin ("colspan=\"%u\" class=\"LT COLOR%u\"",
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ColSpan,Gbl.RowEvenOdd);
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Prg_ShowFormToCreatePrgItem (Item.Hierarchy.ItmCod);
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HTM_TD_End ();
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}
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else
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{
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/* Show form to edit current item */
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ColSpan = Prg_MaxLevel - Item.Hierarchy.Level + 4;
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HTM_TD_Begin ("colspan=\"%u\" class=\"LT COLOR%u\"",
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ColSpan,Gbl.RowEvenOdd);
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Prg_ShowFormToChangePrgItem (Item.Hierarchy.ItmCod);
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HTM_TD_End ();
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}
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/* End row */
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HTM_TR_End ();
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break;
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}
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/***** Free anchor string *****/
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Frm_FreeAnchorStr (Anchor);
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Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
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}
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/*****************************************************************************/
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/********************* Allocate memory for item numbers **********************/
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/*****************************************************************************/
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static void Prg_CreateNumbers (unsigned MaxLevel)
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{
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/***** Allocate memory for item numbers and initialize to 0 *****/
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if ((Prg_NumItem = (unsigned *) calloc (1 + MaxLevel,sizeof (unsigned))) == NULL)
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Lay_NotEnoughMemoryExit ();
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}
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/*****************************************************************************/
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/*********************** Free memory for item numbers ************************/
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/*****************************************************************************/
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static void Prg_FreeNumbers (void)
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{
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/***** Free allocated memory for item numbers *****/
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if (Prg_NumItem)
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{
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free (Prg_NumItem);
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Prg_NumItem = NULL;
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}
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}
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/*****************************************************************************/
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/**************************** Increase number of item ************************/
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/*****************************************************************************/
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static void Prg_IncreaseNumItem (unsigned Level)
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{
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/***** Increase number for this level *****/
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Prg_NumItem[Level]++;
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/***** Reset number for next level (children) *****/
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Prg_NumItem[Level + 1] = 0;
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}
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/*****************************************************************************/
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/*********************** Get number of item in a level ***********************/
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/*****************************************************************************/
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static unsigned Prg_GetNumItem (unsigned Level)
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{
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if (Prg_NumItem)
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return Prg_NumItem[Level];
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return 0;
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}
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/*****************************************************************************/
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/******************** Write number of item in legal style ********************/
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/*****************************************************************************/
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static void Prg_WriteNumItem (unsigned Level)
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{
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unsigned i;
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/***** Write number in legal style *****/
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HTM_Unsigned (Prg_GetNumItem (1));
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for (i = 2;
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i <= Level;
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i++)
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{
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HTM_Txt (".");
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HTM_Unsigned (Prg_GetNumItem (i));
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}
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}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Put a link (form) to edit one program item *****************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_PutFormsToRemEditOnePrgItem (unsigned NumItem,const char *Anchor)
|
|
{
|
|
extern const char *Txt_New_item;
|
|
extern const char *Txt_Move_up_X;
|
|
extern const char *Txt_Move_down_X;
|
|
extern const char *Txt_Increase_level_of_X;
|
|
extern const char *Txt_Decrease_level_of_X;
|
|
extern const char *Txt_Movement_not_allowed;
|
|
char StrItemIndex[Cns_MAX_DECIMAL_DIGITS_UINT + 1];
|
|
|
|
Prg_SetCurrentItmCod (Gbl.Prg.LstItems[NumItem].ItmCod); // Used as parameter in contextual links
|
|
|
|
/***** Initialize item index string *****/
|
|
snprintf (StrItemIndex,sizeof (StrItemIndex),
|
|
"%u",
|
|
Gbl.Prg.LstItems[NumItem].Index);
|
|
|
|
switch (Gbl.Usrs.Me.Role.Logged)
|
|
{
|
|
case Rol_TCH:
|
|
case Rol_SYS_ADM:
|
|
/***** Put form to remove program item *****/
|
|
Ico_PutContextualIconToRemove (ActReqRemPrgItm,Prg_PutParams);
|
|
|
|
/***** Put form to hide/show program item *****/
|
|
if (Gbl.Prg.LstItems[NumItem].Hidden)
|
|
Ico_PutContextualIconToUnhide (ActShoPrgItm,Anchor,Prg_PutParams);
|
|
else
|
|
Ico_PutContextualIconToHide (ActHidPrgItm,Anchor,Prg_PutParams);
|
|
|
|
/***** Put form to edit program item *****/
|
|
Ico_PutContextualIconToEdit (ActFrmChgPrgItm,Anchor,Prg_PutParams);
|
|
|
|
/***** Put form to add a new child item inside this item *****/
|
|
Ico_PutContextualIconToAdd (ActFrmNewPrgItm,Anchor,Prg_PutParams,Txt_New_item);
|
|
|
|
HTM_BR ();
|
|
|
|
/***** Put icon to move up the item *****/
|
|
if (Prg_CheckIfMoveUpIsAllowed (NumItem))
|
|
{
|
|
Lay_PutContextualLinkOnlyIcon (ActUp_PrgItm,NULL,Prg_PutParams,
|
|
"arrow-up.svg",
|
|
Str_BuildStringStr (Txt_Move_up_X,
|
|
StrItemIndex));
|
|
Str_FreeString ();
|
|
}
|
|
else
|
|
Ico_PutIconOff ("arrow-up.svg",Txt_Movement_not_allowed);
|
|
|
|
/***** Put icon to move down the item *****/
|
|
if (Prg_CheckIfMoveDownIsAllowed (NumItem))
|
|
{
|
|
Lay_PutContextualLinkOnlyIcon (ActDwnPrgItm,NULL,Prg_PutParams,
|
|
"arrow-down.svg",
|
|
Str_BuildStringStr (Txt_Move_down_X,
|
|
StrItemIndex));
|
|
Str_FreeString ();
|
|
}
|
|
else
|
|
Ico_PutIconOff ("arrow-down.svg",Txt_Movement_not_allowed);
|
|
|
|
/***** Icon to move left item (increase level) *****/
|
|
if (Prg_CheckIfMoveLeftIsAllowed (NumItem))
|
|
{
|
|
Lay_PutContextualLinkOnlyIcon (ActLftPrgItm,NULL,Prg_PutParams,
|
|
"arrow-left.svg",
|
|
Str_BuildStringStr (Txt_Increase_level_of_X,
|
|
StrItemIndex));
|
|
Str_FreeString ();
|
|
}
|
|
else
|
|
Ico_PutIconOff ("arrow-left.svg",Txt_Movement_not_allowed);
|
|
|
|
/***** Icon to move right item (indent, decrease level) *****/
|
|
if (Prg_CheckIfMoveRightIsAllowed (NumItem))
|
|
{
|
|
Lay_PutContextualLinkOnlyIcon (ActRgtPrgItm,NULL,Prg_PutParams,
|
|
"arrow-right.svg",
|
|
Str_BuildStringStr (Txt_Decrease_level_of_X,
|
|
StrItemIndex));
|
|
Str_FreeString ();
|
|
}
|
|
else
|
|
Ico_PutIconOff ("arrow-right.svg",Txt_Movement_not_allowed);
|
|
break;
|
|
case Rol_STD:
|
|
case Rol_NET:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** Check if item can be moved up ***********************/
|
|
/*****************************************************************************/
|
|
|
|
static bool Prg_CheckIfMoveUpIsAllowed (unsigned NumItem)
|
|
{
|
|
/***** Trivial check: if item is the first one, move up is not allowed *****/
|
|
if (NumItem == 0)
|
|
return false;
|
|
|
|
/***** Move up is allowed if the item has brothers before it *****/
|
|
// NumItem >= 2
|
|
return Gbl.Prg.LstItems[NumItem - 1].Level >=
|
|
Gbl.Prg.LstItems[NumItem ].Level;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Check if item can be moved down **********************/
|
|
/*****************************************************************************/
|
|
|
|
static bool Prg_CheckIfMoveDownIsAllowed (unsigned NumItem)
|
|
{
|
|
unsigned i;
|
|
unsigned Level;
|
|
|
|
/***** Trivial check: if item is the last one, move up is not allowed *****/
|
|
if (NumItem >= Gbl.Prg.Num - 1)
|
|
return false;
|
|
|
|
/***** Move down is allowed if the item has brothers after it *****/
|
|
// NumItem + 1 < Gbl.Prg.Num
|
|
Level = Gbl.Prg.LstItems[NumItem].Level;
|
|
for (i = NumItem + 1;
|
|
i < Gbl.Prg.Num;
|
|
i++)
|
|
{
|
|
if (Gbl.Prg.LstItems[i].Level == Level)
|
|
return true; // Next brother found
|
|
if (Gbl.Prg.LstItems[i].Level < Level)
|
|
return false; // Next lower level found ==> there are no more brothers
|
|
}
|
|
return false; // End reached ==> there are no more brothers
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************* Check if item can be moved to the left ******************/
|
|
/*****************************************************************************/
|
|
|
|
static bool Prg_CheckIfMoveLeftIsAllowed (unsigned NumItem)
|
|
{
|
|
/***** Move left is allowed if the item has parent *****/
|
|
return Gbl.Prg.LstItems[NumItem].Level > 1;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Check if item can be moved to the right ******************/
|
|
/*****************************************************************************/
|
|
|
|
static bool Prg_CheckIfMoveRightIsAllowed (unsigned NumItem)
|
|
{
|
|
/***** If item is the first, move right is not allowed *****/
|
|
if (NumItem == 0)
|
|
return false;
|
|
|
|
/***** Move right is allowed if the item has brothers before it *****/
|
|
// NumItem >= 2
|
|
return Gbl.Prg.LstItems[NumItem - 1].Level >=
|
|
Gbl.Prg.LstItems[NumItem ].Level;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Access to variables used to pass parameter *****************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_SetCurrentItmCod (long ItmCod)
|
|
{
|
|
Prg_CurrentItmCod = ItmCod;
|
|
}
|
|
|
|
static long Prg_GetCurrentItmCod (void)
|
|
{
|
|
return Prg_CurrentItmCod;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************** Params used to edit a program item *********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_PutParams (void)
|
|
{
|
|
long CurrentItmCod = Prg_GetCurrentItmCod ();
|
|
|
|
if (CurrentItmCod > 0)
|
|
Prg_PutParamItmCod (CurrentItmCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** List all the program items **************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_GetListPrgItems (void)
|
|
{
|
|
static const char *HiddenSubQuery[Rol_NUM_ROLES] =
|
|
{
|
|
[Rol_UNK ] = " AND Hidden='N'",
|
|
[Rol_GST ] = " AND Hidden='N'",
|
|
[Rol_USR ] = " AND Hidden='N'",
|
|
[Rol_STD ] = " AND Hidden='N'",
|
|
[Rol_NET ] = " AND Hidden='N'",
|
|
[Rol_TCH ] = "",
|
|
[Rol_DEG_ADM] = " AND Hidden='N'",
|
|
[Rol_CTR_ADM] = " AND Hidden='N'",
|
|
[Rol_INS_ADM] = " AND Hidden='N'",
|
|
[Rol_SYS_ADM] = "",
|
|
};
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned long NumRows;
|
|
unsigned NumItem;
|
|
|
|
if (Gbl.Prg.LstIsRead)
|
|
Prg_FreeListItems ();
|
|
|
|
/***** Get list of program items from database *****/
|
|
NumRows = DB_QuerySELECT (&mysql_res,"can not get program items",
|
|
"SELECT ItmCod," // row[0]
|
|
"ItmInd," // row[1]
|
|
"Level," // row[2]
|
|
"Hidden" // row[3]
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld%s"
|
|
" ORDER BY ItmInd",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
HiddenSubQuery[Gbl.Usrs.Me.Role.Logged]);
|
|
|
|
if (NumRows) // Items found...
|
|
{
|
|
Gbl.Prg.Num = (unsigned) NumRows;
|
|
|
|
/***** Create list of program items *****/
|
|
if ((Gbl.Prg.LstItems =
|
|
(struct ProgramItemHierarchy *) calloc (NumRows,
|
|
sizeof (struct ProgramItemHierarchy))) == NULL)
|
|
Lay_NotEnoughMemoryExit ();
|
|
|
|
/***** Get the program items codes *****/
|
|
for (NumItem = 0;
|
|
NumItem < Gbl.Prg.Num;
|
|
NumItem++)
|
|
{
|
|
/* Get row */
|
|
row = mysql_fetch_row (mysql_res);
|
|
|
|
/* Get code of the program item (row[0]) */
|
|
if ((Gbl.Prg.LstItems[NumItem].ItmCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
|
|
Lay_ShowErrorAndExit ("Error: wrong program item code.");
|
|
|
|
/* Get index of the program item (row[1]) */
|
|
Gbl.Prg.LstItems[NumItem].Index = Str_ConvertStrToUnsigned (row[1]);
|
|
|
|
/* Get level of the program item (row[2]) */
|
|
Gbl.Prg.LstItems[NumItem].Level = Str_ConvertStrToUnsigned (row[2]);
|
|
|
|
/* Get whether the program item is hidden or not (row[3]) */
|
|
Gbl.Prg.LstItems[NumItem].Hidden = (row[3][0] == 'Y');
|
|
}
|
|
}
|
|
else
|
|
Gbl.Prg.Num = 0;
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
Gbl.Prg.LstIsRead = true;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Get program item data using its code *********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_GetDataOfItemByCod (struct ProgramItem *Item)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
unsigned long NumRows;
|
|
|
|
if (Item->Hierarchy.ItmCod > 0)
|
|
{
|
|
/***** Build query *****/
|
|
NumRows = DB_QuerySELECT (&mysql_res,"can not get program item data",
|
|
"SELECT ItmCod," // row[0]
|
|
"ItmInd," // row[1]
|
|
"Level," // row[2]
|
|
"Hidden," // row[3]
|
|
"UsrCod," // row[4]
|
|
"UNIX_TIMESTAMP(StartTime)," // row[5]
|
|
"UNIX_TIMESTAMP(EndTime)," // row[6]
|
|
"NOW() BETWEEN StartTime AND EndTime," // row[7]
|
|
"Title" // row[8]
|
|
" FROM prg_items"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
Item->Hierarchy.ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Get data of program item *****/
|
|
Prg_GetDataOfItem (Item,&mysql_res,NumRows);
|
|
}
|
|
else
|
|
/***** Clear all program item data *****/
|
|
Prg_ResetItem (Item);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************* Get program item data *****************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_GetDataOfItem (struct ProgramItem *Item,
|
|
MYSQL_RES **mysql_res,
|
|
unsigned long NumRows)
|
|
{
|
|
MYSQL_ROW row;
|
|
|
|
/***** Clear all program item data *****/
|
|
Prg_ResetItem (Item);
|
|
|
|
/***** Get data of program item from database *****/
|
|
if (NumRows) // Item found...
|
|
{
|
|
/* Get row */
|
|
row = mysql_fetch_row (*mysql_res);
|
|
/*
|
|
ItmCod row[0]
|
|
ItmInd row[1]
|
|
Level row[2]
|
|
Hidden row[3]
|
|
UsrCod row[4]
|
|
UNIX_TIMESTAMP(StartTime) row[5]
|
|
UNIX_TIMESTAMP(EndTime) row[6]
|
|
NOW() BETWEEN StartTime AND EndTime row[7]
|
|
Title row[8]
|
|
*/
|
|
|
|
/* Get code of the program item (row[0]) */
|
|
Item->Hierarchy.ItmCod = Str_ConvertStrCodToLongCod (row[0]);
|
|
|
|
/* Get index of the program item (row[1]) */
|
|
Item->Hierarchy.Index = Str_ConvertStrToUnsigned (row[1]);
|
|
|
|
/* Get level of the program item (row[2]) */
|
|
Item->Hierarchy.Level = Str_ConvertStrToUnsigned (row[2]);
|
|
|
|
/* Get whether the program item is hidden or not (row[3]) */
|
|
Item->Hidden = (row[3][0] == 'Y');
|
|
|
|
/* Get author of the program item (row[4]) */
|
|
Item->UsrCod = Str_ConvertStrCodToLongCod (row[4]);
|
|
|
|
/* Get start date (row[5] holds the start UTC time) */
|
|
Item->TimeUTC[Dat_START_TIME] = Dat_GetUNIXTimeFromStr (row[5]);
|
|
|
|
/* Get end date (row[6] holds the end UTC time) */
|
|
Item->TimeUTC[Dat_END_TIME ] = Dat_GetUNIXTimeFromStr (row[6]);
|
|
|
|
/* Get whether the program item is open or closed (row(7)) */
|
|
Item->Open = (row[7][0] == '1');
|
|
|
|
/* Get the title of the program item (row[8]) */
|
|
Str_Copy (Item->Title,row[8],
|
|
Prg_MAX_BYTES_PROGRAM_ITEM_TITLE);
|
|
}
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (mysql_res);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Clear all program item data ************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_ResetItem (struct ProgramItem *Item)
|
|
{
|
|
Item->Hierarchy.ItmCod = -1L;
|
|
Item->Hierarchy.Index = 0;
|
|
Item->Hierarchy.Level = 0;
|
|
Item->Hidden = false;
|
|
Item->UsrCod = -1L;
|
|
Item->TimeUTC[Dat_START_TIME] =
|
|
Item->TimeUTC[Dat_END_TIME ] = (time_t) 0;
|
|
Item->Open = false;
|
|
Item->Title[0] = '\0';
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Free list of program items *************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_FreeListItems (void)
|
|
{
|
|
if (Gbl.Prg.LstIsRead && Gbl.Prg.LstItems)
|
|
{
|
|
/***** Free memory used by the list of program items *****/
|
|
free (Gbl.Prg.LstItems);
|
|
Gbl.Prg.LstItems = NULL;
|
|
Gbl.Prg.Num = 0;
|
|
Gbl.Prg.LstIsRead = false;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************* Get program item text from database *********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_GetPrgItemTxtFromDB (long ItmCod,char Txt[Cns_MAX_BYTES_TEXT + 1])
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned long NumRows;
|
|
|
|
/***** Get text of program item from database *****/
|
|
NumRows = DB_QuerySELECT (&mysql_res,"can not get program item text",
|
|
"SELECT Txt FROM prg_items"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** The result of the query must have one row or none *****/
|
|
if (NumRows == 1)
|
|
{
|
|
/* Get info text */
|
|
row = mysql_fetch_row (mysql_res);
|
|
Str_Copy (Txt,row[0],
|
|
Cns_MAX_BYTES_TEXT);
|
|
}
|
|
else
|
|
Txt[0] = '\0';
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
if (NumRows > 1)
|
|
Lay_ShowErrorAndExit ("Error when getting program item text.");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Write parameter with code of program item ******************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_PutParamItmCod (long ItmCod)
|
|
{
|
|
Par_PutHiddenParamLong (NULL,"ItmCod",ItmCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Get parameter with code of program item *******************/
|
|
/*****************************************************************************/
|
|
|
|
static long Prg_GetParamItmCod (void)
|
|
{
|
|
/***** Get code of program item *****/
|
|
return Par_GetParToLong ("ItmCod");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Get number of item in list from item code ******************/
|
|
/*****************************************************************************/
|
|
|
|
static unsigned Prg_GetNumItemFromItmCod (unsigned ItmCod)
|
|
{
|
|
unsigned NumItem;
|
|
|
|
for (NumItem = 0;
|
|
NumItem < Gbl.Prg.Num;
|
|
NumItem++)
|
|
if (Gbl.Prg.LstItems[NumItem].ItmCod == ItmCod)
|
|
return NumItem;
|
|
|
|
Lay_ShowErrorAndExit ("Wrong item code.");
|
|
return 0; // Not reached
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Ask for confirmation of removing a program item ***************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_ReqRemPrgItem (void)
|
|
{
|
|
extern const char *Txt_Do_you_really_want_to_remove_the_item_X;
|
|
extern const char *Txt_Remove_item;
|
|
struct ProgramItem Item;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.Hierarchy.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Show question and button to remove the program item *****/
|
|
Prg_SetCurrentItmCod (Item.Hierarchy.ItmCod);
|
|
Ale_ShowAlertAndButton (ActRemPrgItm,NULL,NULL,Prg_PutParams,
|
|
Btn_REMOVE_BUTTON,Txt_Remove_item,
|
|
Ale_QUESTION,Txt_Do_you_really_want_to_remove_the_item_X,
|
|
Item.Title);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*************************** Remove a program item ***************************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RemovePrgItem (void)
|
|
{
|
|
extern const char *Txt_Item_X_removed;
|
|
struct ProgramItem Item;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.Hierarchy.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item); // Inside this function, the course is checked to be the current one
|
|
|
|
/***** Remove program item *****/
|
|
DB_QueryDELETE ("can not remove program item",
|
|
"DELETE FROM prg_items WHERE ItmCod=%ld AND CrsCod=%ld",
|
|
Item.Hierarchy.ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Write message to show the change made *****/
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_Item_X_removed,Item.Title);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Hide a program item ***************************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_HidePrgItem (void)
|
|
{
|
|
struct ProgramItem Item;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.Hierarchy.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Hide program item *****/
|
|
DB_QueryUPDATE ("can not hide program item",
|
|
"UPDATE prg_items SET Hidden='Y'"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
Item.Hierarchy.ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Show a program item ***************************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_ShowPrgItem (void)
|
|
{
|
|
struct ProgramItem Item;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.Hierarchy.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Hide program item *****/
|
|
DB_QueryUPDATE ("can not show program item",
|
|
"UPDATE prg_items SET Hidden='N'"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
Item.Hierarchy.ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************** Move up position of an item in a course program **************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_MoveUpPrgItem (void)
|
|
{
|
|
extern const char *Txt_Movement_not_allowed;
|
|
long ItmCod;
|
|
unsigned NumItem;
|
|
|
|
/***** Get program item code *****/
|
|
if ((ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListPrgItems ();
|
|
NumItem = Prg_GetNumItemFromItmCod (ItmCod);
|
|
|
|
if (Prg_CheckIfMoveUpIsAllowed (NumItem))
|
|
/***** Move up item *****/
|
|
/* Exchange subtrees */
|
|
Prg_ExchangeItems (Prg_GetPrevBrother (NumItem),NumItem);
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Move down position of an item in a course program *************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_MoveDownPrgItem (void)
|
|
{
|
|
extern const char *Txt_Movement_not_allowed;
|
|
long ItmCod;
|
|
unsigned NumItem;
|
|
|
|
/***** Get program item code *****/
|
|
if ((ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListPrgItems ();
|
|
NumItem = Prg_GetNumItemFromItmCod (ItmCod);
|
|
|
|
if (Prg_CheckIfMoveDownIsAllowed (NumItem))
|
|
/***** Move down item *****/
|
|
/* Exchange subtrees */
|
|
Prg_ExchangeItems (NumItem,Prg_GetNextBrother (NumItem));
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**** Move left (decrease level) position of an item in a course program *****/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_MoveLeftPrgItem (void)
|
|
{
|
|
long ItmCod;
|
|
unsigned NumItem;
|
|
|
|
/***** Get program item code *****/
|
|
if ((ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListPrgItems ();
|
|
NumItem = Prg_GetNumItemFromItmCod (ItmCod);
|
|
|
|
/***** Move left item (decrease level) *****/
|
|
/* Move item and its children to left */
|
|
Prg_MoveItemAndChildrenLeft (NumItem);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**** Move right (increase level) position of an item in a course program ****/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_MoveRightPrgItem (void)
|
|
{
|
|
long ItmCod;
|
|
unsigned NumItem;
|
|
|
|
/***** Get program item code *****/
|
|
if ((ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListPrgItems ();
|
|
NumItem = Prg_GetNumItemFromItmCod (ItmCod);
|
|
|
|
/***** Move right item (increase level) *****/
|
|
/* Move item and its children to right */
|
|
Prg_MoveItemAndChildrenRight (NumItem);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************* Get maximum level in a course program *******************/
|
|
/*****************************************************************************/
|
|
// Return 0 if no items
|
|
|
|
static unsigned Prg_GetMaxItemLevel (void)
|
|
{
|
|
unsigned NumItem;
|
|
unsigned MaxLevel = 0;
|
|
|
|
/***** Compute maximum level of all program items *****/
|
|
for (NumItem = 0;
|
|
NumItem < Gbl.Prg.Num;
|
|
NumItem++)
|
|
if (Gbl.Prg.LstItems[NumItem].Level > MaxLevel)
|
|
MaxLevel = Gbl.Prg.LstItems[NumItem].Level;
|
|
|
|
return MaxLevel;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******** Get previous brother item to a given item in current course ********/
|
|
/*****************************************************************************/
|
|
// Return -1 if no previous brother
|
|
|
|
static int Prg_GetPrevBrother (int NumItem)
|
|
{
|
|
unsigned Level;
|
|
int i;
|
|
|
|
/***** Trivial check: if item is the first one, there is no previous brother *****/
|
|
if (NumItem <= 0 ||
|
|
NumItem >= (int) Gbl.Prg.Num)
|
|
return -1;
|
|
|
|
/***** Get previous brother before item *****/
|
|
// 1 <= NumItem < Gbl.Prg.Num
|
|
Level = Gbl.Prg.LstItems[NumItem].Level;
|
|
for (i = NumItem - 1;
|
|
i >= 0;
|
|
i--)
|
|
{
|
|
if (Gbl.Prg.LstItems[i].Level == Level)
|
|
return i; // Previous brother before item found
|
|
if (Gbl.Prg.LstItems[i].Level < Level)
|
|
return -1; // Previous lower level found ==> there are no brothers before item
|
|
}
|
|
return -1; // Start reached ==> there are no brothers before item
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********** Get next brother item to a given item in current course **********/
|
|
/*****************************************************************************/
|
|
// Return -1 if no next brother
|
|
|
|
static int Prg_GetNextBrother (int NumItem)
|
|
{
|
|
unsigned Level;
|
|
int i;
|
|
|
|
/***** Trivial check: if item is the last one, there is no next brother *****/
|
|
if (NumItem < 0 ||
|
|
NumItem >= (int) Gbl.Prg.Num - 1)
|
|
return -1;
|
|
|
|
/***** Get next brother after item *****/
|
|
// 0 <= NumItem < Gbl.Prg.Num - 1
|
|
Level = Gbl.Prg.LstItems[NumItem].Level;
|
|
for (i = NumItem + 1;
|
|
i < (int) Gbl.Prg.Num;
|
|
i++)
|
|
{
|
|
if (Gbl.Prg.LstItems[i].Level == Level)
|
|
return i; // Next brother found
|
|
if (Gbl.Prg.LstItems[i].Level < Level)
|
|
return -1; // Next lower level found ==> there are no brothers after item
|
|
}
|
|
return -1; // End reached ==> there are no brothers after item
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Get last child in current course *********************/
|
|
/*****************************************************************************/
|
|
// Return the same index if no children
|
|
|
|
static unsigned Prg_GetLastChild (int NumItem)
|
|
{
|
|
unsigned Level;
|
|
int i;
|
|
|
|
/***** Trivial check: if item is wrong, there are no children *****/
|
|
if (NumItem < 0 ||
|
|
NumItem >= (int) Gbl.Prg.Num)
|
|
Lay_ShowErrorAndExit ("Wrong number of item.");
|
|
|
|
/***** Get next brother after item *****/
|
|
// 0 <= NumItem < Gbl.Prg.Num
|
|
Level = Gbl.Prg.LstItems[NumItem].Level;
|
|
for (i = NumItem + 1;
|
|
i < (int) Gbl.Prg.Num;
|
|
i++)
|
|
{
|
|
if (Gbl.Prg.LstItems[i].Level <= Level)
|
|
return i - 1; // Last child found
|
|
}
|
|
return Gbl.Prg.Num - 1; // End reached ==> all items after the given item are its children
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Move item and its children to left or right ****************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_MoveItemAndChildrenLeft (unsigned NumItem)
|
|
{
|
|
extern const char *Txt_Movement_not_allowed;
|
|
unsigned BeginIndex;
|
|
unsigned EndIndex;
|
|
|
|
if (Prg_CheckIfMoveLeftIsAllowed (NumItem))
|
|
{
|
|
/* Indexes of items */
|
|
BeginIndex = Gbl.Prg.LstItems[NumItem].Index;
|
|
EndIndex = Gbl.Prg.LstItems[Prg_GetLastChild (NumItem)].Index;
|
|
|
|
/* Move item and its children to left or right */
|
|
DB_QueryUPDATE ("can not move items",
|
|
"UPDATE prg_items SET Level=Level-1"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>=%u AND ItmInd<=%u",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
BeginIndex,EndIndex);
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Move item and its children to left or right ****************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_MoveItemAndChildrenRight (unsigned NumItem)
|
|
{
|
|
extern const char *Txt_Movement_not_allowed;
|
|
unsigned BeginIndex;
|
|
unsigned EndIndex;
|
|
|
|
if (Prg_CheckIfMoveRightIsAllowed (NumItem))
|
|
{
|
|
/* Indexes of items */
|
|
BeginIndex = Gbl.Prg.LstItems[NumItem].Index;
|
|
EndIndex = Gbl.Prg.LstItems[Prg_GetLastChild (NumItem)].Index;
|
|
|
|
/* Move item and its children to left or right */
|
|
DB_QueryUPDATE ("can not move items",
|
|
"UPDATE prg_items SET Level=Level+1"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>=%u AND ItmInd<=%u",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
BeginIndex,EndIndex);
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****** Exchange the order of two consecutive items in a course program ******/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_ExchangeItems (int NumItemTop,int NumItemBottom)
|
|
{
|
|
extern const char *Txt_Movement_not_allowed;
|
|
struct
|
|
{
|
|
unsigned Begin;
|
|
unsigned End;
|
|
} TopIndex, BottomIndex, Diff;
|
|
|
|
if (NumItemTop >= 0 &&
|
|
NumItemBottom >= 0)
|
|
{
|
|
TopIndex.Begin = Gbl.Prg.LstItems[NumItemTop ].Index;
|
|
TopIndex.End = Gbl.Prg.LstItems[Prg_GetLastChild (NumItemTop )].Index;
|
|
BottomIndex.Begin = Gbl.Prg.LstItems[NumItemBottom ].Index;
|
|
BottomIndex.End = Gbl.Prg.LstItems[Prg_GetLastChild (NumItemBottom)].Index;
|
|
Diff.Begin = BottomIndex.Begin - TopIndex.Begin;
|
|
Diff.End = BottomIndex.End - TopIndex.End;
|
|
|
|
Ale_ShowAlert (Ale_INFO,"TopIndex.Begin = %u<br />"
|
|
"TopIndex.End = %u<br />"
|
|
"BottomIndex.Begin = %u<br />"
|
|
"BottomIndex.End = %u",
|
|
TopIndex.Begin,
|
|
TopIndex.End,
|
|
BottomIndex.Begin,
|
|
BottomIndex.End);
|
|
|
|
|
|
/***** Lock table to make the move atomic *****/
|
|
DB_Query ("can not lock tables to move program item",
|
|
"LOCK TABLES prg_items WRITE");
|
|
Gbl.DB.LockedTables = true;
|
|
|
|
/***** Exchange indexes of items *****/
|
|
// Although indexes are always continuous...
|
|
// ...this implementation works even with non continuous indexes
|
|
/*
|
|
Example:
|
|
TopIndex.Begin = 5
|
|
= 10
|
|
TopIndex.End = 17
|
|
BottomIndex.Begin = 28
|
|
BottomIndex.End = 49
|
|
|
|
Diff.Begin = 28 - 5 = 23;
|
|
Diff.End = 49 - 17 = 32;
|
|
|
|
Step 1 Step 2 Step 3 (Equivalent to)
|
|
+------+------+ +------+------+ +------+------+ +------+------+ +------+------+
|
|
|ItmInd|ItmCod| |ItmInd|ItmCod| |ItmInd|ItmCod| |ItmInd|ItmCod| |ItmInd|ItmCod|
|
|
+------+------+ +------+------+ +------+------+ +------+------+ +------+------+
|
|
TopIndex.Begin: 5| 218|-->|--> -5| 218|-->|--> 37| 218| | 37| 218| | 5| 221|
|
|
| 10| 219|-->|-->-10| 219|-->|--> 42| 219| | 42| 219| | 26| 222|
|
|
TopIndex.End: | 17| 220|-->|-->-17| 220|-->|--> 49| 220| | 49| 220| | 37| 218|
|
|
BottomIndex.Begin: 28| 221|-->|-->-28| 221| | -28| 221|-->|--> 5| 221| | 42| 219|
|
|
BottomIndex.End: 49| 222|-->|-->-49| 222| | -49| 222|-->|--> 26| 222| | 49| 220|
|
|
+------+------+ +------+------+ +------+------+ +------+------+ +------+------+
|
|
*/
|
|
/* Step 1: Change all indexes involved to negative,
|
|
necessary to preserve unique index (CrsCod,ItmInd) */
|
|
DB_QueryUPDATE ("can not exchange indexes of items",
|
|
"UPDATE prg_items SET ItmInd=-ItmInd"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>=%u AND ItmInd<=%u",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
TopIndex.Begin,BottomIndex.End);
|
|
|
|
/* Step 2: Increase top indexes */
|
|
DB_QueryUPDATE ("can not exchange indexes of items",
|
|
"UPDATE prg_items SET ItmInd=-ItmInd+%u"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>=-%u AND ItmInd<=-%u",
|
|
Diff.End,
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
TopIndex.End,TopIndex.Begin); // All indexes in top part
|
|
|
|
/* Step 3: Decrease bottom indexes */
|
|
DB_QueryUPDATE ("can not exchange indexes of items",
|
|
"UPDATE prg_items SET ItmInd=-ItmInd-%u"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>=-%u AND ItmInd<=-%u",
|
|
Diff.Begin,
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
BottomIndex.End,BottomIndex.Begin); // All indexes in bottom part
|
|
|
|
/***** Unlock table *****/
|
|
Gbl.DB.LockedTables = false; // Set to false before the following unlock...
|
|
// ...to not retry the unlock if error in unlocking
|
|
DB_Query ("can not unlock tables after moving items",
|
|
"UNLOCK TABLES");
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*************** Check if the title of a program item exists *****************/
|
|
/*****************************************************************************/
|
|
|
|
static bool Prg_CheckIfSimilarPrgItemExists (const char *Field,const char *Value,long ItmCod)
|
|
{
|
|
/***** Get number of program items with a field value from database *****/
|
|
return (DB_QueryCOUNT ("can not get similar program items",
|
|
"SELECT COUNT(*) FROM prg_items"
|
|
" WHERE CrsCod=%ld"
|
|
" AND %s='%s' AND ItmCod<>%ld",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
Field,Value,ItmCod) != 0);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******* Put a form to create/edit program item and show current items *******/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RequestCreatePrgItem (void)
|
|
{
|
|
long ParentItmCod;
|
|
|
|
/***** Get the code of the parent program item *****/
|
|
ParentItmCod = Prg_GetParamItmCod ();
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_PUT_FORM_CREATE_ITEM,ParentItmCod);
|
|
}
|
|
|
|
void Prg_RequestChangePrgItem (void)
|
|
{
|
|
long ItmCod;
|
|
|
|
/***** Get the code of the program item *****/
|
|
ItmCod = Prg_GetParamItmCod ();
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_PUT_FORM_CHANGE_ITEM,ItmCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Put a form to create a new program item *******************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_ShowFormToCreatePrgItem (long ParentItmCod)
|
|
{
|
|
extern const char *Hlp_COURSE_Program_new_item;
|
|
extern const char *Txt_New_item;
|
|
extern const char *Txt_Create_item;
|
|
struct ProgramItem ParentItem; // Parent item
|
|
struct ProgramItem Item;
|
|
static const Dat_SetHMS SetHMS[Dat_NUM_START_END_TIME] =
|
|
{
|
|
Dat_HMS_TO_000000,
|
|
Dat_HMS_TO_235959
|
|
};
|
|
|
|
/***** Get data of the parent program item from database *****/
|
|
ParentItem.Hierarchy.ItmCod = ParentItmCod;
|
|
Prg_GetDataOfItemByCod (&ParentItem);
|
|
|
|
/***** Initialize to empty program item *****/
|
|
Prg_ResetItem (&Item);
|
|
Item.TimeUTC[Dat_START_TIME] = Gbl.StartExecutionTimeUTC;
|
|
Item.TimeUTC[Dat_END_TIME ] = Gbl.StartExecutionTimeUTC + (2 * 60 * 60); // +2 hours
|
|
Item.Open = true;
|
|
|
|
/***** Begin form *****/
|
|
Frm_StartForm (ActNewPrgItm);
|
|
Prg_SetCurrentItmCod (ParentItem.Hierarchy.ItmCod);
|
|
Prg_PutParams ();
|
|
|
|
/***** Begin box and table *****/
|
|
Box_BoxTableBegin ("100%",Txt_New_item,NULL,
|
|
Hlp_COURSE_Program_new_item,Box_NOT_CLOSABLE,2);
|
|
|
|
/***** Show form *****/
|
|
Prg_ShowFormToPrgItem (&Item,SetHMS,NULL);
|
|
|
|
/***** End table, send button and end box *****/
|
|
Box_BoxTableWithButtonEnd (Btn_CREATE_BUTTON,Txt_Create_item);
|
|
|
|
/***** End form *****/
|
|
Frm_EndForm ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Put a form to create a new program item *******************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_ShowFormToChangePrgItem (long ItmCod)
|
|
{
|
|
extern const char *Hlp_COURSE_Program_edit_item;
|
|
extern const char *Txt_Edit_item;
|
|
extern const char *Txt_Save_changes;
|
|
struct ProgramItem Item;
|
|
char Txt[Cns_MAX_BYTES_TEXT + 1];
|
|
static const Dat_SetHMS SetHMS[Dat_NUM_START_END_TIME] =
|
|
{
|
|
Dat_HMS_DO_NOT_SET,
|
|
Dat_HMS_DO_NOT_SET
|
|
};
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Item.Hierarchy.ItmCod = ItmCod;
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
Prg_GetPrgItemTxtFromDB (Item.Hierarchy.ItmCod,Txt);
|
|
|
|
/***** Begin form *****/
|
|
Frm_StartForm (ActChgPrgItm);
|
|
Prg_SetCurrentItmCod (Item.Hierarchy.ItmCod);
|
|
Prg_PutParams ();
|
|
|
|
/***** Begin box and table *****/
|
|
Box_BoxTableBegin ("100%",
|
|
Item.Title[0] ? Item.Title :
|
|
Txt_Edit_item,
|
|
NULL,
|
|
Hlp_COURSE_Program_edit_item,Box_NOT_CLOSABLE,2);
|
|
|
|
/***** Show form *****/
|
|
Prg_ShowFormToPrgItem (&Item,SetHMS,Txt);
|
|
|
|
/***** End table, send button and end box *****/
|
|
Box_BoxTableWithButtonEnd (Btn_CONFIRM_BUTTON,Txt_Save_changes);
|
|
|
|
/***** End form *****/
|
|
Frm_EndForm ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Put a form to create a new program item *******************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_ShowFormToPrgItem (const struct ProgramItem *Item,
|
|
const Dat_SetHMS SetHMS[Dat_NUM_START_END_TIME],
|
|
const char *Txt)
|
|
{
|
|
extern const char *Txt_Title;
|
|
extern const char *Txt_Description;
|
|
|
|
/***** Item title *****/
|
|
HTM_TR_Begin (NULL);
|
|
|
|
/* Label */
|
|
Frm_LabelColumn ("RM","Title",Txt_Title);
|
|
|
|
/* Data */
|
|
HTM_TD_Begin ("class=\"LM\"");
|
|
HTM_INPUT_TEXT ("Title",Prg_MAX_CHARS_PROGRAM_ITEM_TITLE,Item->Title,false,
|
|
"id=\"Title\" required=\"required\""
|
|
" class=\"PRG_TITLE_DESCRIPTION_WIDTH\"");
|
|
HTM_TD_End ();
|
|
|
|
HTM_TR_End ();
|
|
|
|
/***** Program item start and end dates *****/
|
|
Dat_PutFormStartEndClientLocalDateTimes (Item->TimeUTC,
|
|
Dat_FORM_SECONDS_ON,
|
|
SetHMS);
|
|
|
|
/***** Program item text *****/
|
|
HTM_TR_Begin (NULL);
|
|
|
|
/* Label */
|
|
Frm_LabelColumn ("RT","Txt",Txt_Description);
|
|
|
|
/* Data */
|
|
HTM_TD_Begin ("class=\"LT\"");
|
|
HTM_TEXTAREA_Begin ("id=\"Txt\" name=\"Txt\" rows=\"10\""
|
|
" class=\"PRG_TITLE_DESCRIPTION_WIDTH\"");
|
|
if (Txt)
|
|
if (Txt[0])
|
|
HTM_Txt (Txt);
|
|
HTM_TEXTAREA_End ();
|
|
HTM_TD_End ();
|
|
|
|
HTM_TR_End ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Receive form to create a new program item *****************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RecFormNewPrgItem (void)
|
|
{
|
|
extern const char *Txt_Already_existed_an_item_with_the_title_X;
|
|
extern const char *Txt_You_must_specify_the_title_of_the_item;
|
|
extern const char *Txt_Created_new_item_X;
|
|
struct ProgramItem ParentItem; // Parent item
|
|
struct ProgramItem NewItem; // Item data received from form
|
|
bool NewItemIsCorrect = true;
|
|
char Description[Cns_MAX_BYTES_TEXT + 1];
|
|
|
|
/***** Get the code of the parent program item *****/
|
|
ParentItem.Hierarchy.ItmCod = Prg_GetParamItmCod ();
|
|
Prg_GetDataOfItemByCod (&ParentItem);
|
|
|
|
/***** Set new item code *****/
|
|
NewItem.Hierarchy.ItmCod = -1L;
|
|
NewItem.Hierarchy.Level = ParentItem.Hierarchy.Level + 1; // Create as child
|
|
|
|
/***** Get start/end date-times *****/
|
|
NewItem.TimeUTC[Dat_START_TIME] = Dat_GetTimeUTCFromForm ("StartTimeUTC");
|
|
NewItem.TimeUTC[Dat_END_TIME ] = Dat_GetTimeUTCFromForm ("EndTimeUTC" );
|
|
|
|
/***** Get program item title *****/
|
|
Par_GetParToText ("Title",NewItem.Title,Prg_MAX_BYTES_PROGRAM_ITEM_TITLE);
|
|
|
|
/***** Get program item text *****/
|
|
Par_GetParToHTML ("Txt",Description,Cns_MAX_BYTES_TEXT); // Store in HTML format (not rigorous)
|
|
|
|
/***** Adjust dates *****/
|
|
if (NewItem.TimeUTC[Dat_START_TIME] == 0)
|
|
NewItem.TimeUTC[Dat_START_TIME] = Gbl.StartExecutionTimeUTC;
|
|
if (NewItem.TimeUTC[Dat_END_TIME] == 0)
|
|
NewItem.TimeUTC[Dat_END_TIME] = NewItem.TimeUTC[Dat_START_TIME] + 2 * 60 * 60; // +2 hours
|
|
|
|
/***** Check if title is correct *****/
|
|
if (NewItem.Title[0]) // If there's a program item title
|
|
{
|
|
/* If title of program item was in database... */
|
|
if (Prg_CheckIfSimilarPrgItemExists ("Title",NewItem.Title,NewItem.Hierarchy.ItmCod))
|
|
{
|
|
NewItemIsCorrect = false;
|
|
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Already_existed_an_item_with_the_title_X,
|
|
NewItem.Title);
|
|
}
|
|
}
|
|
else // If there is not a program item title
|
|
{
|
|
NewItemIsCorrect = false;
|
|
Ale_ShowAlert (Ale_WARNING,Txt_You_must_specify_the_title_of_the_item);
|
|
}
|
|
|
|
/***** Create a new program item or update an existing one *****/
|
|
if (NewItemIsCorrect)
|
|
{
|
|
/* Add new program item to database */
|
|
Prg_InsertPrgItem (&ParentItem,&NewItem,Description);
|
|
|
|
/* Write success message */
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_Created_new_item_X,
|
|
NewItem.Title);
|
|
}
|
|
else
|
|
/***** Show form to create item *****/
|
|
// TODO: The form should be filled with partial data, now is always empty
|
|
Prg_ShowFormToCreatePrgItem (ParentItem.Hierarchy.ItmCod);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Receive form to change an existing program item ***************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RecFormChgPrgItem (void)
|
|
{
|
|
extern const char *Txt_Already_existed_an_item_with_the_title_X;
|
|
extern const char *Txt_You_must_specify_the_title_of_the_item;
|
|
extern const char *Txt_Created_new_item_X;
|
|
extern const char *Txt_The_item_has_been_modified;
|
|
struct ProgramItem OldItem; // Current program item data in database
|
|
struct ProgramItem NewItem; // Item data received from form
|
|
bool NewItemIsCorrect = true;
|
|
char Description[Cns_MAX_BYTES_TEXT + 1];
|
|
|
|
/***** Get the code of the program item *****/
|
|
NewItem.Hierarchy.ItmCod = Prg_GetParamItmCod ();
|
|
|
|
/***** Get data of the old (current) program item from database *****/
|
|
OldItem.Hierarchy.ItmCod = NewItem.Hierarchy.ItmCod;
|
|
Prg_GetDataOfItemByCod (&OldItem);
|
|
|
|
/***** Get start/end date-times *****/
|
|
NewItem.TimeUTC[Dat_START_TIME] = Dat_GetTimeUTCFromForm ("StartTimeUTC");
|
|
NewItem.TimeUTC[Dat_END_TIME ] = Dat_GetTimeUTCFromForm ("EndTimeUTC" );
|
|
|
|
/***** Get program item title *****/
|
|
Par_GetParToText ("Title",NewItem.Title,Prg_MAX_BYTES_PROGRAM_ITEM_TITLE);
|
|
|
|
/***** Get program item text *****/
|
|
Par_GetParToHTML ("Txt",Description,Cns_MAX_BYTES_TEXT); // Store in HTML format (not rigorous)
|
|
|
|
/***** Adjust dates *****/
|
|
if (NewItem.TimeUTC[Dat_START_TIME] == 0)
|
|
NewItem.TimeUTC[Dat_START_TIME] = Gbl.StartExecutionTimeUTC;
|
|
if (NewItem.TimeUTC[Dat_END_TIME] == 0)
|
|
NewItem.TimeUTC[Dat_END_TIME] = NewItem.TimeUTC[Dat_START_TIME] + 2 * 60 * 60; // +2 hours
|
|
|
|
/***** Check if title is correct *****/
|
|
if (NewItem.Title[0]) // If there's a program item title
|
|
{
|
|
/* If title of program item was in database... */
|
|
if (Prg_CheckIfSimilarPrgItemExists ("Title",NewItem.Title,NewItem.Hierarchy.ItmCod))
|
|
{
|
|
NewItemIsCorrect = false;
|
|
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Already_existed_an_item_with_the_title_X,
|
|
NewItem.Title);
|
|
}
|
|
}
|
|
else // If there is not a program item title
|
|
{
|
|
NewItemIsCorrect = false;
|
|
Ale_ShowAlert (Ale_WARNING,Txt_You_must_specify_the_title_of_the_item);
|
|
}
|
|
|
|
/***** Update existing item *****/
|
|
if (NewItemIsCorrect)
|
|
{
|
|
/* Update program item */
|
|
Prg_UpdatePrgItem (&NewItem,Description);
|
|
|
|
/* Write success message */
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_The_item_has_been_modified);
|
|
}
|
|
else
|
|
/***** Show form to change item *****/
|
|
// TODO: The form should be filled with partial data, now is always empty
|
|
Prg_ShowFormToChangePrgItem (NewItem.Hierarchy.ItmCod);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********** Insert a new program item as a child of a parent item ***********/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_InsertPrgItem (struct ProgramItem *ParentItem,
|
|
struct ProgramItem *Item,const char *Txt)
|
|
{
|
|
unsigned NumItemParent;
|
|
unsigned NumItemLastChild;
|
|
|
|
/***** Lock table to create program item *****/
|
|
DB_Query ("can not lock tables to create program item",
|
|
"LOCK TABLES prg_items WRITE");
|
|
Gbl.DB.LockedTables = true;
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListPrgItems ();
|
|
if (Gbl.Prg.Num) // There are items
|
|
{
|
|
if (ParentItem->Hierarchy.ItmCod > 0) // Parent specified
|
|
{
|
|
/***** Calculate where to insert *****/
|
|
NumItemParent = Prg_GetNumItemFromItmCod (ParentItem->Hierarchy.ItmCod);
|
|
NumItemLastChild = Prg_GetLastChild (NumItemParent);
|
|
if (NumItemLastChild < Gbl.Prg.Num - 1)
|
|
{
|
|
/***** New program item will be inserted after last child of parent *****/
|
|
Item->Hierarchy.Index = Gbl.Prg.LstItems[NumItemLastChild + 1].Index;
|
|
|
|
/***** Move down all indexes of after last child of parent *****/
|
|
DB_QueryUPDATE ("can not move down items",
|
|
"UPDATE prg_items SET ItmInd=ItmInd+1"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>=%u"
|
|
" ORDER BY ItmInd DESC", // Necessary to not create duplicate key (CrsCod,ItmInd)
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
Item->Hierarchy.Index);
|
|
}
|
|
else
|
|
/***** New program item will be inserted at the end *****/
|
|
Item->Hierarchy.Index = Gbl.Prg.LstItems[Gbl.Prg.Num - 1].Index + 1;
|
|
|
|
/***** Child ==> parent level + 1 *****/
|
|
Item->Hierarchy.Level = ParentItem->Hierarchy.Level + 1;
|
|
}
|
|
else // No parent specified
|
|
{
|
|
/***** New program item will be inserted at the end *****/
|
|
Item->Hierarchy.Index = Gbl.Prg.LstItems[Gbl.Prg.Num - 1].Index + 1;
|
|
|
|
/***** First level *****/
|
|
Item->Hierarchy.Level = 1;
|
|
}
|
|
}
|
|
else // There are no items
|
|
{
|
|
/***** New program item will be inserted as the first one *****/
|
|
Item->Hierarchy.Index = 1;
|
|
|
|
/***** First level *****/
|
|
Item->Hierarchy.Level = 1;
|
|
}
|
|
|
|
/***** Insert new program item *****/
|
|
Item->Hierarchy.ItmCod = Prg_InsertPrgItemIntoDB (Item,Txt);
|
|
|
|
/***** Unlock table *****/
|
|
Gbl.DB.LockedTables = false; // Set to false before the following unlock...
|
|
// ...to not retry the unlock if error in unlocking
|
|
DB_Query ("can not unlock tables after moving items",
|
|
"UNLOCK TABLES");
|
|
|
|
/***** Free list items *****/
|
|
Prg_FreeListItems ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Create a new program item into database *******************/
|
|
/*****************************************************************************/
|
|
|
|
static long Prg_InsertPrgItemIntoDB (struct ProgramItem *Item,const char *Txt)
|
|
{
|
|
return DB_QueryINSERTandReturnCode ("can not create new program item",
|
|
"INSERT INTO prg_items"
|
|
" (CrsCod,ItmInd,Level,UsrCod,StartTime,EndTime,Title,Txt)"
|
|
" VALUES"
|
|
" (%ld,%u,%u,%ld,FROM_UNIXTIME(%ld),FROM_UNIXTIME(%ld),"
|
|
"'%s','%s')",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
Item->Hierarchy.Index,
|
|
Item->Hierarchy.Level,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
Item->TimeUTC[Dat_START_TIME],
|
|
Item->TimeUTC[Dat_END_TIME ],
|
|
Item->Title,
|
|
Txt);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************** Update an existing program item ************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_UpdatePrgItem (struct ProgramItem *Item,const char *Txt)
|
|
{
|
|
/***** Update the data of the program item *****/
|
|
DB_QueryUPDATE ("can not update program item",
|
|
"UPDATE prg_items SET "
|
|
"StartTime=FROM_UNIXTIME(%ld),"
|
|
"EndTime=FROM_UNIXTIME(%ld),"
|
|
"Title='%s',Txt='%s'"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
Item->TimeUTC[Dat_START_TIME],
|
|
Item->TimeUTC[Dat_END_TIME ],
|
|
Item->Title,
|
|
Txt,
|
|
Item->Hierarchy.ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Remove all the program items of a course ******************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RemoveCrsItems (long CrsCod)
|
|
{
|
|
/***** Remove program items *****/
|
|
DB_QueryDELETE ("can not remove all the program items of a course",
|
|
"DELETE FROM prg_items WHERE CrsCod=%ld",
|
|
CrsCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Get number of items in a course program *******************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Prg_GetNumItemsInCrsProgram (long CrsCod)
|
|
{
|
|
/***** Get number of items in a course program from database *****/
|
|
return
|
|
(unsigned) DB_QueryCOUNT ("can not get number of items in course program",
|
|
"SELECT COUNT(*) FROM prg_items"
|
|
" WHERE CrsCod=%ld",
|
|
CrsCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Get number of courses with program items *****************/
|
|
/*****************************************************************************/
|
|
// Returns the number of courses with program items
|
|
// in this location (all the platform, current degree or current course)
|
|
|
|
unsigned Prg_GetNumCoursesWithItems (Hie_Level_t Scope)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned NumCourses;
|
|
|
|
/***** Get number of courses with program items from database *****/
|
|
switch (Scope)
|
|
{
|
|
case Hie_SYS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT CrsCod)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod>0");
|
|
break;
|
|
case Hie_CTY:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT prg_items.CrsCod)"
|
|
" FROM institutions,centres,degrees,courses,prg_items"
|
|
" WHERE institutions.CtyCod=%ld"
|
|
" AND institutions.InsCod=centres.InsCod"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.Status=0"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Cty.CtyCod);
|
|
break;
|
|
case Hie_INS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT prg_items.CrsCod)"
|
|
" FROM centres,degrees,courses,prg_items"
|
|
" WHERE centres.InsCod=%ld"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.Status=0"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Ins.InsCod);
|
|
break;
|
|
case Hie_CTR:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT prg_items.CrsCod)"
|
|
" FROM degrees,courses,prg_items"
|
|
" WHERE degrees.CtrCod=%ld"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.Status=0"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Ctr.CtrCod);
|
|
break;
|
|
case Hie_DEG:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT prg_items.CrsCod)"
|
|
" FROM courses,prg_items"
|
|
" WHERE courses.DegCod=%ld"
|
|
" AND courses.Status=0"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Deg.DegCod);
|
|
break;
|
|
case Hie_CRS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT CrsCod)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld",
|
|
Gbl.Hierarchy.Crs.CrsCod);
|
|
break;
|
|
default:
|
|
Lay_WrongScopeExit ();
|
|
break;
|
|
}
|
|
|
|
/***** Get number of courses *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (sscanf (row[0],"%u",&NumCourses) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting number of courses with program items.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return NumCourses;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Get number of program items ************************/
|
|
/*****************************************************************************/
|
|
// Returns the number of program items in a hierarchy scope
|
|
|
|
unsigned Prg_GetNumItems (Hie_Level_t Scope)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned NumItems;
|
|
|
|
/***** Get number of program items from database *****/
|
|
switch (Scope)
|
|
{
|
|
case Hie_SYS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod>0");
|
|
break;
|
|
case Hie_CTY:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM institutions,centres,degrees,courses,prg_items"
|
|
" WHERE institutions.CtyCod=%ld"
|
|
" AND institutions.InsCod=centres.InsCod"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Cty.CtyCod);
|
|
break;
|
|
case Hie_INS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM centres,degrees,courses,prg_items"
|
|
" WHERE centres.InsCod=%ld"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Ins.InsCod);
|
|
break;
|
|
case Hie_CTR:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM degrees,courses,prg_items"
|
|
" WHERE degrees.CtrCod=%ld"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Ctr.CtrCod);
|
|
break;
|
|
case Hie_DEG:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM courses,prg_items"
|
|
" WHERE courses.DegCod=%ld"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Deg.DegCod);
|
|
break;
|
|
case Hie_CRS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld",
|
|
Gbl.Hierarchy.Crs.CrsCod);
|
|
break;
|
|
default:
|
|
Lay_WrongScopeExit ();
|
|
break;
|
|
}
|
|
|
|
/***** Get number of program items *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (sscanf (row[0],"%u",&NumItems) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting number of program items.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return NumItems;
|
|
}
|