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swad-core/swad_timetable.c

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// swad_timetable.c: timetables
/*
SWAD (Shared Workspace At a Distance),
is a web platform developed at the University of Granada (Spain),
and used to support university teaching.
This file is part of SWAD core.
Copyright (C) 1999-2023 Antonio Cañas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/*********************************** Headers *********************************/
/*****************************************************************************/
#define _GNU_SOURCE // For asprintf
#include <stddef.h> // For NULL
#include <stdio.h> // For asprintf
#include <stdlib.h> // For malloc, calloc, free
#include <string.h> // For string functions
#include "swad_action_list.h"
#include "swad_alert.h"
#include "swad_box.h"
#include "swad_calendar.h"
#include "swad_database.h"
#include "swad_error.h"
#include "swad_form.h"
#include "swad_global.h"
#include "swad_HTML.h"
#include "swad_language.h"
#include "swad_parameter.h"
#include "swad_parameter_code.h"
#include "swad_setting.h"
#include "swad_timetable.h"
#include "swad_timetable_database.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/************************* Private constants and types ***********************/
/*****************************************************************************/
#define Tmt_DAYS_PER_WEEK 7 // Seven days per week
#define Tmt_MINUTES_PER_HOUR 60 // Number of minutes in 1 hour
#define Tmt_SECONDS_PER_MINUTE 60 // Number of seconds in 1 minute
#define Tmt_SECONDS_PER_HOUR (Tmt_SECONDS_PER_MINUTE * Tmt_MINUTES_PER_HOUR) // Number of seconds in 1 hour
#define Tmt_START_HOUR 6 // Day starts at this hour
#define Tmt_END_HOUR 24 // Day ends at this hour
#define Tmt_MIN_MINUTES_PER_INTERVAL 5
#define Tmt_MAX_MINUTES_PER_INTERVAL 30
#define Tmt_MAX_COLUMNS_PER_CELL 3 // Maximum number of items (i.e. classes) in a timetable cell (1, 2, 3 or 4)
#define Tmt_NUM_MINICOLUMNS_PER_DAY 6 // Least common multiple of 1,2,3,...,Tmt_MAX_COLUMNS_PER_CELL
#define Tmt_PERCENT_WIDTH_OF_A_MINICOLUMN 2 // Width (%) of each minicolumn
#define Tmt_PERCENT_WIDTH_OF_A_DAY (Tmt_PERCENT_WIDTH_OF_A_MINICOLUMN * Tmt_NUM_MINICOLUMNS_PER_DAY) // Width (%) of each day
#define Tmt_PERCENT_WIDTH_OF_ALL_DAYS (Tmt_PERCENT_WIDTH_OF_A_DAY * Tmt_DAYS_PER_WEEK) // Width (%) of all days
#define Tmt_PERCENT_WIDTH_OF_A_SEPARATION_COLUMN 1 // Width (%) of left and right columns
#define Tmt_MAX_BYTES_STR_CLASS_TYPE 256
#define Tmt_MAX_BYTES_STR_DURATION 32 // "hh:mm h"
struct Tmt_Cell
{
unsigned NumColumns;
struct Tmt_Column Columns[Tmt_MAX_COLUMNS_PER_CELL];
};
/*****************************************************************************/
/************************** Private global variables *************************/
/*****************************************************************************/
struct Tmt_Cell *Tmt_TimeTable[Tmt_DAYS_PER_WEEK];
/* Possible resolutions of the timetable in minutes */
#define Tmt_NUM_RESOLUTIONS 3
static const unsigned Tmt_MinutesPerInterval[Tmt_NUM_RESOLUTIONS] =
{
5, // 5 minutes
15, // 15 minutes // Use 10 or 15 minutes (15 looks better), never both together
30, // 30 minutes
};
/*****************************************************************************/
/***************************** Private prototypes ***************************/
/*****************************************************************************/
static void Tmt_TimeTableConfigureIntervalsAndAllocateTimeTable (struct Tmt_Timetable *Timetable);
static void Tmt_FreeTimeTable (void);
static void Tmt_ShowTimeTableGrpsSelected (void);
static void Tmt_GetParsTimeTable (struct Tmt_Timetable *Timetable);
static void Tmt_PutContextualIcons (void *Timetable);
static void Tmt_PutFormToSelectWhichGroupsToShow (const struct Tmt_Timetable *Timetable);
static void Tmt_PutIconToViewCrsTT (__attribute__((unused)) void *Args);
static void Tmt_PutIconToViewMyTT (__attribute__((unused)) void *Args);
static void Tmt_WriteCrsTimeTableIntoDB (const struct Tmt_Timetable *Timetable,
long CrsCod);
static void Tmt_WriteUsrTimeTableIntoDB (const struct Tmt_Timetable *Timetable,
long UsrCod);
static void Tmt_FillTimeTableFromDB (struct Tmt_Timetable *Timetable,
long UsrCod);
static void Tmt_CalculateRangeCell (unsigned StartTimeSeconds,
unsigned EndTimeSeconds,
struct Tmt_Range *Range);
static unsigned Tmt_CalculateMinutesPerInterval (unsigned Seconds);
static void Tmt_ModifTimeTable (struct Tmt_Timetable *Timetable);
static void Tmt_DrawTimeTable (const struct Tmt_Timetable *Timetable);
static void Tmt_TimeTableDrawAdjustRow (void);
static void Tmt_TimeTableDrawDaysCells (void);
static void Tmt_DrawHourCell (unsigned Hour,unsigned Min,const char *Align);
static unsigned Tmt_CalculateColsToDrawInCell (const struct Tmt_Timetable *Timetable,
bool TopCall,
unsigned Weekday,unsigned Interval);
static void Tmt_DrawCellAlignTimeTable (void);
static void Tmt_TimeTableDrawCell (const struct Tmt_Timetable *Timetable,
const struct Tmt_WhichCell *WhichCell,unsigned ColSpan,
long CrsCod,long GrpCod,
Tmt_IntervalType_t IntervalType,Tmt_ClassType_t ClassType,
unsigned DurationNumIntervals,const char *Info);
static void Tmt_TimeTableDrawCellView (const struct Tmt_Timetable *Timetable,
long CrsCod,long GrpCod,
Tmt_ClassType_t ClassType,
unsigned DurationNumIntervals,
const char *Info);
static void Tmt_TimeTableDrawCellEdit (const struct Tmt_Timetable *Timetable,
const struct Tmt_WhichCell *WhichCell,
long GrpCod,
Tmt_IntervalType_t IntervalType,Tmt_ClassType_t ClassType,
unsigned DurationNumIntervals,const char *Info);
/*****************************************************************************/
/******************** Create internal timetable in memory ********************/
/*****************************************************************************/
static void Tmt_TimeTableConfigureIntervalsAndAllocateTimeTable (struct Tmt_Timetable *Timetable)
{
unsigned Weekday;
if (Timetable->Config.Range.Hours.End >
Timetable->Config.Range.Hours.Start)
{
/***** Configuration of timetable depending on hours and resolution *****/
Timetable->Config.HoursPerDay = Timetable->Config.Range.Hours.End -
Timetable->Config.Range.Hours.Start; // From start hour to end hour
Timetable->Config.SecondsPerInterval = Timetable->Config.Range.MinutesPerInterval *
Tmt_SECONDS_PER_MINUTE;
Timetable->Config.IntervalsPerHour = Tmt_MINUTES_PER_HOUR /
Timetable->Config.Range.MinutesPerInterval;
Timetable->Config.IntervalsPerDay = Timetable->Config.IntervalsPerHour *
Timetable->Config.HoursPerDay;
Timetable->Config.IntervalsBeforeStartHour = Timetable->Config.IntervalsPerHour *
Timetable->Config.Range.Hours.Start;
/***** Allocate memory for timetable *****/
for (Weekday = 0;
Weekday < Tmt_DAYS_PER_WEEK;
Weekday++)
if ((Tmt_TimeTable[Weekday] = malloc (Timetable->Config.IntervalsPerDay *
sizeof (*Tmt_TimeTable[Weekday]))) == NULL)
Err_NotEnoughMemoryExit ();
}
else
{
/***** Table is empty *****/
Timetable->Config.HoursPerDay = 0;
Timetable->Config.SecondsPerInterval = 0;
Timetable->Config.IntervalsPerHour = 0;
Timetable->Config.IntervalsPerDay = 0;
Timetable->Config.IntervalsBeforeStartHour = 0;
/***** Clear timetable in order to not try to free it *****/
for (Weekday = 0;
Weekday < Tmt_DAYS_PER_WEEK;
Weekday++)
Tmt_TimeTable[Weekday] = NULL;
}
}
/*****************************************************************************/
/******************** Destroy internal timetable in memory *******************/
/*****************************************************************************/
static void Tmt_FreeTimeTable (void)
{
unsigned Weekday;
/***** Free memory for timetable *****/
for (Weekday = 0;
Weekday < Tmt_DAYS_PER_WEEK;
Weekday++)
if (Tmt_TimeTable[Weekday])
{
free (Tmt_TimeTable[Weekday]);
Tmt_TimeTable[Weekday] = NULL;
}
}
/*****************************************************************************/
/*********** Show whether only my groups or all groups are shown *************/
/*****************************************************************************/
static void Tmt_ShowTimeTableGrpsSelected (void)
{
extern const char *Txt_Groups_OF_A_USER;
extern const char *Txt_All_groups;
HTM_DIV_Begin ("class=\"CLASSPHOTO_TITLE CLASSPHOTO_%s CM\"",
The_GetSuffix ());
switch (Gbl.Crs.Grps.WhichGrps)
{
case Grp_MY_GROUPS:
HTM_TxtF (Txt_Groups_OF_A_USER,Gbl.Usrs.Me.UsrDat.FullName);
break;
case Grp_ALL_GROUPS:
HTM_Txt (Txt_All_groups);
break;
}
HTM_DIV_End ();
}
/*****************************************************************************/
/******************** Get paramaters for timetable editing *******************/
/*****************************************************************************/
static void Tmt_GetParsTimeTable (struct Tmt_Timetable *Timetable)
{
extern const char *Tmt_DB_ClassType[Tmt_NUM_CLASS_TYPES];
char StrClassType[Tmt_MAX_BYTES_STR_CLASS_TYPE + 1];
char StrDuration[Tmt_MAX_BYTES_STR_DURATION + 1];
unsigned Hours;
unsigned Minutes;
/***** Get day (0: monday, 1: tuesday,..., 6: sunday *****/
Timetable->WhichCell.Weekday = (unsigned)
Par_GetParUnsignedLong ("TTDay",
0,
Tmt_DAYS_PER_WEEK - 1,
0);
/***** Get hour *****/
Timetable->WhichCell.Interval = (unsigned)
Par_GetParUnsignedLong ("TTInt",
0,
Timetable->Config.IntervalsPerDay - 1,
0);
/***** Get number of column *****/
Timetable->WhichCell.Column = (unsigned)
Par_GetParUnsignedLong ("TTCol",
0,
Tmt_MAX_COLUMNS_PER_CELL - 1,
0);
/***** Get class type *****/
Par_GetParText ("TTTyp",StrClassType,Tmt_MAX_BYTES_STR_CLASS_TYPE);
for (Timetable->ClassType = (Tmt_ClassType_t) 0;
Timetable->ClassType <= (Tmt_ClassType_t) (Tmt_NUM_CLASS_TYPES - 1);
Timetable->ClassType++)
if (!strcmp (StrClassType,Tmt_DB_ClassType[Timetable->ClassType]))
break;
if (Timetable->ClassType > (Tmt_ClassType_t) (Tmt_NUM_CLASS_TYPES - 1))
Err_ShowErrorAndExit ("Type of timetable cell is missing.");
/***** Get class duration *****/
Par_GetParText ("TTDur",StrDuration,Tmt_MAX_BYTES_STR_DURATION);
if (sscanf (StrDuration,"%u:%u",&Hours,&Minutes) != 2)
Err_ShowErrorAndExit ("Duration is missing.");
Timetable->DurationIntervals = Hours * Timetable->Config.IntervalsPerHour +
Minutes / Timetable->Config.Range.MinutesPerInterval;
/***** Get group code *****/
Timetable->GrpCod = ParCod_GetPar (ParCod_Grp);
/***** Get info *****/
Par_GetParText ("TTInf",Timetable->Info,Tmt_MAX_BYTES_INFO);
}
/*****************************************************************************/
/**************************** Show class timetable ***************************/
/*****************************************************************************/
void Tmt_ShowClassTimeTable (void)
{
extern const char *Hlp_COURSE_Timetable;
extern const char *Hlp_PROFILE_Timetable;
extern const char *Txt_TIMETABLE_TYPES[Tmt_NUM_TIMETABLE_TYPES];
const char *Help[Tmt_NUM_TIMETABLE_TYPES] =
{
[Tmt_COURSE_TIMETABLE ] = Hlp_COURSE_Timetable,
[Tmt_MY_TIMETABLE ] = Hlp_PROFILE_Timetable,
[Tmt_TUTORING_TIMETABLE] = NULL,
};
static const Act_Action_t ActChgTT1stDay[Tmt_NUM_TIMETABLE_TYPES] =
{
[Tmt_COURSE_TIMETABLE ] = ActChgCrsTT1stDay,
[Tmt_MY_TIMETABLE ] = ActChgMyTT1stDay,
[Tmt_TUTORING_TIMETABLE] = ActUnk,
};
struct Tmt_Timetable Timetable;
bool PrintView = (Gbl.Action.Act == ActPrnCrsTT ||
Gbl.Action.Act == ActPrnMyTT);
Grp_WhichGroups_t WhichGroups;
/***** Initializations *****/
switch (Gbl.Action.Act)
{
case ActSeeCrsTT:
case ActPrnCrsTT:
case ActChgCrsTT1stDay:
Timetable.Type = Tmt_COURSE_TIMETABLE;
break;
case ActSeeMyTT:
case ActPrnMyTT:
case ActChgMyTT1stDay:
Timetable.Type = Tmt_MY_TIMETABLE;
break;
default:
Err_WrongActionExit ();
}
Timetable.ContextualIcons.PutIconEditCrsTT = (Timetable.Type == Tmt_COURSE_TIMETABLE &&
!PrintView &&
Gbl.Usrs.Me.Role.Logged >= Rol_TCH);
Timetable.ContextualIcons.PutIconEditOfficeHours = (Timetable.Type == Tmt_MY_TIMETABLE &&
!PrintView &&
(Gbl.Usrs.Me.Role.Available & (1 << Rol_TCH |
1 << Rol_NET)));
Timetable.ContextualIcons.PutIconPrint = !PrintView;
/***** Get whether to show only my groups or all groups *****/
Grp_GetParWhichGroups ();
/***** Begin box *****/
if (Timetable.ContextualIcons.PutIconEditCrsTT ||
Timetable.ContextualIcons.PutIconEditOfficeHours ||
Timetable.ContextualIcons.PutIconPrint)
Box_BoxBegin ("100%",Txt_TIMETABLE_TYPES[Timetable.Type],
Tmt_PutContextualIcons,&Timetable,
Help[Timetable.Type],Box_NOT_CLOSABLE);
else
Box_BoxBegin ("100%",Txt_TIMETABLE_TYPES[Timetable.Type],
NULL,NULL,
Help[Timetable.Type],Box_NOT_CLOSABLE);
/***** Begin time table drawing *****/
if (Timetable.Type == Tmt_COURSE_TIMETABLE)
Lay_WriteHeaderClassPhoto (PrintView,false,
Gbl.Hierarchy.Ins.InsCod,Gbl.Hierarchy.Deg.DegCod,Gbl.Hierarchy.Crs.CrsCod);
if (PrintView)
/***** Show whether only my groups or all groups are selected *****/
Tmt_ShowTimeTableGrpsSelected ();
else
{
/***** Setting selector *****/
Set_BeginSettingsHead ();
/* Select whether show only my groups or all groups */
if ( Timetable.Type == Tmt_MY_TIMETABLE ||
(Timetable.Type == Tmt_COURSE_TIMETABLE &&
Gbl.Crs.Grps.NumGrps))
Tmt_PutFormToSelectWhichGroupsToShow (&Timetable);
/* Show form to change first day of week */
WhichGroups = Grp_GetParWhichGroups ();
Cal_ShowFormToSelFirstDayOfWeek (ActChgTT1stDay[Timetable.Type],
Grp_PutParWhichGroups,&WhichGroups);
Set_EndSettingsHead ();
}
/***** Show the time table *****/
Tmt_ShowTimeTable (&Timetable,Gbl.Usrs.Me.UsrDat.UsrCod);
/***** End box *****/
Box_BoxEnd ();
}
/*****************************************************************************/
/***************** Put contextual icons above the time table *****************/
/*****************************************************************************/
static void Tmt_PutContextualIcons (void *Timetable)
{
Grp_WhichGroups_t WhichGroups;
if (Timetable)
{
WhichGroups = Grp_GetParWhichGroups ();
if (((struct Tmt_Timetable *) Timetable)->ContextualIcons.PutIconEditCrsTT)
Ico_PutContextualIconToEdit (ActEdiCrsTT,NULL,
Grp_PutParWhichGroups,&WhichGroups);
if (((struct Tmt_Timetable *) Timetable)->ContextualIcons.PutIconEditOfficeHours)
Ico_PutContextualIconToEdit (ActEdiTut,NULL,
NULL,NULL);
if (((struct Tmt_Timetable *) Timetable)->ContextualIcons.PutIconPrint)
Ico_PutContextualIconToPrint (((struct Tmt_Timetable *) Timetable)->Type == Tmt_COURSE_TIMETABLE ? ActPrnCrsTT :
ActPrnMyTT,
Grp_PutParWhichGroups,&WhichGroups);
}
}
/*****************************************************************************/
/***************** Put form to select which groups to show *******************/
/*****************************************************************************/
static void Tmt_PutFormToSelectWhichGroupsToShow (const struct Tmt_Timetable *Timetable)
{
static const Act_Action_t ActSeeTT[Tmt_NUM_TIMETABLE_TYPES] =
{
[Tmt_COURSE_TIMETABLE ] = ActSeeCrsTT,
[Tmt_MY_TIMETABLE ] = ActSeeMyTT,
[Tmt_TUTORING_TIMETABLE] = ActUnk,
};
Grp_ShowFormToSelWhichGrps (ActSeeTT[Timetable->Type],
NULL,NULL);
}
/*****************************************************************************/
/********************** Show course timetable for edition ********************/
/*****************************************************************************/
void Tmt_EditCrsTimeTable (void)
{
extern const char *Hlp_COURSE_Timetable;
extern const char *Txt_TIMETABLE_TYPES[Tmt_NUM_TIMETABLE_TYPES];
struct Tmt_Timetable Timetable;
/***** Editable time table *****/
Timetable.Type = Tmt_COURSE_TIMETABLE;
Box_BoxBegin ("100%",Txt_TIMETABLE_TYPES[Timetable.Type],
Tmt_PutIconToViewCrsTT,NULL,
Hlp_COURSE_Timetable,Box_NOT_CLOSABLE);
Tmt_ShowTimeTable (&Timetable,Gbl.Usrs.Me.UsrDat.UsrCod);
Box_BoxEnd ();
}
/*****************************************************************************/
/********************* Show tutor timetable for edition **********************/
/*****************************************************************************/
void Tmt_EditMyTutTimeTable (void)
{
extern const char *Hlp_PROFILE_Timetable;
extern const char *Txt_TIMETABLE_TYPES[Tmt_NUM_TIMETABLE_TYPES];
struct Tmt_Timetable Timetable;
/***** Time table *****/
Timetable.Type = Tmt_TUTORING_TIMETABLE;
Box_BoxBegin ("100%",Txt_TIMETABLE_TYPES[Timetable.Type],
Tmt_PutIconToViewMyTT,NULL,
Hlp_PROFILE_Timetable,Box_NOT_CLOSABLE);
Tmt_ShowTimeTable (&Timetable,Gbl.Usrs.Me.UsrDat.UsrCod);
Box_BoxEnd ();
}
/*****************************************************************************/
/********************** Put icon to view course timetable ********************/
/*****************************************************************************/
static void Tmt_PutIconToViewCrsTT (__attribute__((unused)) void *Args)
{
Ico_PutContextualIconToView (ActSeeCrsTT,NULL,
NULL,NULL);
}
/*****************************************************************************/
/************************ Put icon to view my timetable **********************/
/*****************************************************************************/
static void Tmt_PutIconToViewMyTT (__attribute__((unused)) void *Args)
{
Ico_PutContextualIconToView (ActSeeMyTT,NULL,
NULL,NULL);
}
/*****************************************************************************/
/*********** Show course timetable or tutor timetable of a teacher ***********/
/*****************************************************************************/
void Tmt_ShowTimeTable (struct Tmt_Timetable *Timetable,long UsrCod)
{
extern const char *Txt_The_timetable_is_empty;
/***** Set type of view depending on current action *****/
Timetable->View = Tmt_CRS_VIEW;
switch (Gbl.Action.Act)
{
case ActSeeCrsTT: case ActPrnCrsTT: case ActChgCrsTT1stDay:
case ActSeeMyTT: case ActPrnMyTT: case ActChgMyTT1stDay:
Timetable->View = Tmt_CRS_VIEW;
break;
case ActSeeRecOneTch: case ActSeeRecSevTch:
Timetable->View = Tmt_TUT_VIEW;
break;
case ActEdiCrsTT: case ActChgCrsTT:
Timetable->View = Tmt_CRS_EDIT;
break;
case ActEdiTut: case ActChgTut:
Timetable->View = Tmt_TUT_EDIT;
break;
}
/***** If editing ==> configure and allocate timetable *****/
if (Timetable->View == Tmt_CRS_EDIT ||
Timetable->View == Tmt_TUT_EDIT)
{
Timetable->Config.Range.Hours.Start = Tmt_START_HOUR; // Day starts at this hour
Timetable->Config.Range.Hours.End = Tmt_END_HOUR; // Day ends at this hour
Timetable->Config.Range.MinutesPerInterval = Tmt_MinutesPerInterval[0]; // The smallest interval
Tmt_TimeTableConfigureIntervalsAndAllocateTimeTable (Timetable);
}
/* If viewing (not editing) ==>
configure and allocate memory when table is read from database */
/***** Fill internal timetable with the timetable from database *****/
Tmt_FillTimeTableFromDB (Timetable,UsrCod);
/***** If timetable must be modified... *****/
if (Gbl.Action.Act == ActChgCrsTT ||
Gbl.Action.Act == ActChgTut)
{
/* Get parameters for time table editing */
Tmt_GetParsTimeTable (Timetable);
/* Modify timetable in memory */
Tmt_ModifTimeTable (Timetable);
/* Write a new timetable in database */
switch (Timetable->Type)
{
case Tmt_COURSE_TIMETABLE:
Tmt_WriteCrsTimeTableIntoDB (Timetable,Gbl.Hierarchy.Crs.CrsCod);
break;
case Tmt_TUTORING_TIMETABLE:
Tmt_WriteUsrTimeTableIntoDB (Timetable,UsrCod);
break;
default:
break;
}
/* Get a new table from database */
Tmt_FillTimeTableFromDB (Timetable,UsrCod);
}
/***** Draw timetable *****/
if (Timetable->Config.HoursPerDay)
Tmt_DrawTimeTable (Timetable);
else
Ale_ShowAlert (Ale_INFO,Txt_The_timetable_is_empty);
/***** Free internal timetable in memory *****/
Tmt_FreeTimeTable ();
}
/*****************************************************************************/
/******************* Write course timetable into database ********************/
/*****************************************************************************/
static void Tmt_WriteCrsTimeTableIntoDB (const struct Tmt_Timetable *Timetable,
long CrsCod)
{
unsigned Weekday;
unsigned Interval;
unsigned Hour;
unsigned Min;
unsigned Column;
/***** Remove former timetable *****/
Tmt_DB_RemoveCrsTimeTable (CrsCod);
/***** Go across the timetable inserting classes into database *****/
for (Weekday = 0;
Weekday < Tmt_DAYS_PER_WEEK;
Weekday++)
for (Interval = 0, Hour = Timetable->Config.Range.Hours.Start, Min = 0;
Interval < Timetable->Config.IntervalsPerDay;
Interval++,
Hour += (Min + Timetable->Config.Range.MinutesPerInterval) / Tmt_SECONDS_PER_MINUTE,
Min = (Min + Timetable->Config.Range.MinutesPerInterval) % Tmt_SECONDS_PER_MINUTE)
for (Column = 0;
Column < Tmt_MAX_COLUMNS_PER_CELL;
Column++)
if (Tmt_TimeTable[Weekday][Interval].Columns[Column].IntervalType == Tmt_FIRST_INTERVAL &&
Tmt_TimeTable[Weekday][Interval].Columns[Column].DurationIntervals)
Tmt_DB_InsertHourInCrsTimeTable (CrsCod,
&Tmt_TimeTable[Weekday][Interval].Columns[Column],
Weekday,Hour,Min,
Timetable->Config.SecondsPerInterval);
}
/*****************************************************************************/
/********************* Write tutor timetable into database *******************/
/*****************************************************************************/
static void Tmt_WriteUsrTimeTableIntoDB (const struct Tmt_Timetable *Timetable,
long UsrCod)
{
unsigned Weekday;
unsigned Interval;
unsigned Hour;
unsigned Min;
unsigned Column;
/***** Remove former timetable *****/
Tmt_DB_RemoveUsrTimeTable (UsrCod);
/***** Loop over timetable *****/
for (Weekday = 0;
Weekday < Tmt_DAYS_PER_WEEK;
Weekday++)
for (Interval = 0, Hour = Timetable->Config.Range.Hours.Start, Min = 0;
Interval < Timetable->Config.IntervalsPerDay;
Interval++,
Hour += (Min + Timetable->Config.Range.MinutesPerInterval) / Tmt_SECONDS_PER_MINUTE,
Min = (Min + Timetable->Config.Range.MinutesPerInterval) % Tmt_SECONDS_PER_MINUTE)
for (Column = 0;
Column < Tmt_MAX_COLUMNS_PER_CELL;
Column++)
if (Tmt_TimeTable[Weekday][Interval].Columns[Column].IntervalType == Tmt_FIRST_INTERVAL &&
Tmt_TimeTable[Weekday][Interval].Columns[Column].DurationIntervals)
Tmt_DB_InsertHourInUsrTimeTable (UsrCod,
&Tmt_TimeTable[Weekday][Interval].Columns[Column],
Weekday,Hour,Min,
Timetable->Config.SecondsPerInterval);
}
/*****************************************************************************/
/********** Create an internal table with timetable from database ************/
/*****************************************************************************/
static void Tmt_FillTimeTableFromDB (struct Tmt_Timetable *Timetable,
long UsrCod)
{
extern const char *Tmt_DB_ClassType[Tmt_NUM_CLASS_TYPES];
extern const char *Txt_Incomplete_timetable_for_lack_of_space;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumRows = 0; // Initialized to avoid warning
unsigned NumRow;
unsigned Weekday;
unsigned Interval;
unsigned i; // To iterate through intervals
unsigned DurationNumIntervals;
unsigned Column;
unsigned StartTimeSeconds;
unsigned DurationSeconds;
unsigned EndTimeSeconds;
struct Tmt_Range RangeCell;
unsigned FirstFreeColumn;
Tmt_ClassType_t ClassType = Tmt_FREE; // Initialized to avoid warning
bool TimeTableIsIncomplete = false;
bool TimeTableHasSpaceForThisClass;
bool Found;
/***** Get timetable from database *****/
NumRows = Tmt_DB_GetTimeTable (&mysql_res,Timetable->Type,UsrCod);
/***** If viewing (not editing) ==>
calculate range of hours and resolution *****/
if (Timetable->View == Tmt_CRS_VIEW ||
Timetable->View == Tmt_TUT_VIEW)
{
/* Initialize hours and resolution for timetable */
Timetable->Config.Range.Hours.Start = Tmt_END_HOUR; // Initialized to maximum hour
Timetable->Config.Range.Hours.End = Tmt_START_HOUR; // Initialized to minimum hour
Timetable->Config.Range.MinutesPerInterval = Tmt_MinutesPerInterval[Tmt_NUM_RESOLUTIONS - 1]; // The longest interval
for (NumRow = 0;
NumRow < NumRows;
NumRow++)
{
row = mysql_fetch_row (mysql_res);
/* StartTime formatted as seconds (row[1]) */
if (sscanf (row[1],"%u",&StartTimeSeconds) != 1)
Err_ShowErrorAndExit ("Wrong start time in timetable.");
/* Duration formatted as seconds (row[2]) */
if (sscanf (row[2],"%u",&DurationSeconds) != 1)
Err_ShowErrorAndExit ("Wrong duration in timetable.");
EndTimeSeconds = StartTimeSeconds + DurationSeconds;
/* Compute hours and resolution */
Tmt_CalculateRangeCell (StartTimeSeconds,EndTimeSeconds,&RangeCell);
if (RangeCell.Hours.Start < Timetable->Config.Range.Hours.Start)
Timetable->Config.Range.Hours.Start = RangeCell.Hours.Start;
if (RangeCell.Hours.End > Timetable->Config.Range.Hours.End)
Timetable->Config.Range.Hours.End = RangeCell.Hours.End;
if (RangeCell.MinutesPerInterval < Timetable->Config.Range.MinutesPerInterval)
Timetable->Config.Range.MinutesPerInterval = RangeCell.MinutesPerInterval;
}
mysql_data_seek (mysql_res,0);
/***** Configure and allocate timetable *****/
Tmt_TimeTableConfigureIntervalsAndAllocateTimeTable (Timetable);
}
/***** Build the table by filling it from database *****/
if (Timetable->Config.HoursPerDay)
{
/***** Initialize timetable to all free *****/
for (Weekday = 0;
Weekday < Tmt_DAYS_PER_WEEK;
Weekday++)
for (Interval = 0;
Interval < Timetable->Config.IntervalsPerDay;
Interval++)
{
Tmt_TimeTable[Weekday][Interval].NumColumns = 0;
for (Column = 0;
Column < Tmt_MAX_COLUMNS_PER_CELL;
Column++)
{
Tmt_TimeTable[Weekday][Interval].Columns[Column].CrsCod = -1L;
Tmt_TimeTable[Weekday][Interval].Columns[Column].GrpCod = -1L;
Tmt_TimeTable[Weekday][Interval].Columns[Column].IntervalType = Tmt_FREE_INTERVAL;
Tmt_TimeTable[Weekday][Interval].Columns[Column].ClassType = Tmt_FREE;
Tmt_TimeTable[Weekday][Interval].Columns[Column].DurationIntervals = 0;
Tmt_TimeTable[Weekday][Interval].Columns[Column].Info[0] = '\0';
}
}
/***** Fill data from database *****/
for (NumRow = 0;
NumRow < NumRows;
NumRow++)
{
row = mysql_fetch_row (mysql_res);
/* Day of week (row[0]) */
if (sscanf (row[0],"%u",&Weekday) != 1)
Err_ShowErrorAndExit ("Wrong day of week in timetable.");
if (Weekday >= Tmt_DAYS_PER_WEEK)
Err_ShowErrorAndExit ("Wrong day of week in timetable.");
/* StartTime formatted as seconds (row[1])
--> StartTime in number of intervals */
if (sscanf (row[1],"%u",&StartTimeSeconds) != 1)
Err_ShowErrorAndExit ("Wrong start time in timetable.");
Interval = StartTimeSeconds /
Timetable->Config.SecondsPerInterval;
if (Interval < Timetable->Config.IntervalsBeforeStartHour)
Err_ShowErrorAndExit ("Wrong start time in timetable.");
Interval -= Timetable->Config.IntervalsBeforeStartHour;
/* Duration formatted as seconds (row[2])
--> Duration in number of intervals */
if (sscanf (row[2],"%u",&DurationSeconds) != 1)
Err_ShowErrorAndExit ("Wrong duration in timetable.");
DurationNumIntervals = DurationSeconds /
Timetable->Config.SecondsPerInterval;
/* Type of class (row[4]) */
switch (Timetable->Type)
{
case Tmt_COURSE_TIMETABLE:
case Tmt_MY_TIMETABLE:
for (ClassType = Tmt_LECTURE, Found = false;
ClassType <= Tmt_TUTORING;
ClassType++)
if (!strcmp (row[4],Tmt_DB_ClassType[ClassType]))
{
Found = true;
break;
}
if (!Found)
Err_ShowErrorAndExit ("Wrong type of class in timetable.");
break;
case Tmt_TUTORING_TIMETABLE:
ClassType = Tmt_TUTORING;
break;
}
/* Cell has been read without errors */
if (Tmt_TimeTable[Weekday][Interval].NumColumns < Tmt_MAX_COLUMNS_PER_CELL)
// If there's place for another column in this cell...
{
/* Find the first free column for this day-hour */
FirstFreeColumn = Tmt_MAX_COLUMNS_PER_CELL;
for (Column = 0;
Column < Tmt_MAX_COLUMNS_PER_CELL;
Column++)
if (Tmt_TimeTable[Weekday][Interval].Columns[Column].IntervalType == Tmt_FREE_INTERVAL)
{
FirstFreeColumn = Column;
break;
}
if (FirstFreeColumn < Tmt_MAX_COLUMNS_PER_CELL)
// If there's place for another column in this cell
{
/* Check if there's place for all rows of this class */
TimeTableHasSpaceForThisClass = true;
for (i = Interval + 1;
i < Interval + DurationNumIntervals &&
i < Timetable->Config.IntervalsPerDay;
i++)
if (Tmt_TimeTable[Weekday][i].Columns[FirstFreeColumn].IntervalType != Tmt_FREE_INTERVAL)
{
TimeTableIsIncomplete = true;
TimeTableHasSpaceForThisClass = false;
break;
}
if (TimeTableHasSpaceForThisClass)
{
Tmt_TimeTable[Weekday][Interval].Columns[FirstFreeColumn].ClassType = ClassType;
Tmt_TimeTable[Weekday][Interval].Columns[FirstFreeColumn].DurationIntervals = DurationNumIntervals;
Tmt_TimeTable[Weekday][Interval].Columns[FirstFreeColumn].IntervalType = Tmt_FIRST_INTERVAL;
for (i = Interval + 1;
i < Interval + DurationNumIntervals &&
i < Timetable->Config.IntervalsPerDay;
i++)
{
Tmt_TimeTable[Weekday][i].Columns[FirstFreeColumn].IntervalType = Tmt_NEXT_INTERVAL;
Tmt_TimeTable[Weekday][i].NumColumns++;
}
/* Course (row[6]) and info (row[3])*/
switch (Timetable->Type)
{
case Tmt_MY_TIMETABLE:
case Tmt_COURSE_TIMETABLE:
/* Group code (row[5]) */
if (Timetable->Type == Tmt_MY_TIMETABLE ||
Timetable->Type == Tmt_COURSE_TIMETABLE)
if (sscanf (row[5],"%ld",&Tmt_TimeTable[Weekday][Interval].Columns[FirstFreeColumn].GrpCod) != 1)
Tmt_TimeTable[Weekday][Interval].Columns[FirstFreeColumn].GrpCod = -1;
/* Course code (row[6]) */
Tmt_TimeTable[Weekday][Interval].Columns[FirstFreeColumn].CrsCod =
(Timetable->Type == Tmt_MY_TIMETABLE ? Str_ConvertStrCodToLongCod (row[6]) :
Gbl.Hierarchy.Crs.CrsCod);
/* falls through */
/* no break */
case Tmt_TUTORING_TIMETABLE:
Str_Copy (Tmt_TimeTable[Weekday][Interval].Columns[FirstFreeColumn].Info,
row[3],
sizeof (Tmt_TimeTable[Weekday][Interval].Columns[FirstFreeColumn].Info) - 1);
break;
}
/* Increment number of items in this cell */
Tmt_TimeTable[Weekday][Interval].NumColumns++;
}
}
else
TimeTableIsIncomplete = true;
}
else
TimeTableIsIncomplete = true;
}
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
if (TimeTableIsIncomplete)
Ale_ShowAlert (Ale_INFO,Txt_Incomplete_timetable_for_lack_of_space);
}
/*****************************************************************************/
/** Calculate range of a cell (start hour, end hour, minutes per interval) ***/
/*****************************************************************************/
static void Tmt_CalculateRangeCell (unsigned StartTimeSeconds,
unsigned EndTimeSeconds,
struct Tmt_Range *Range)
{
unsigned TimeMinutes;
unsigned MinutesPerIntervalForEndTime;
/***** Compute minimum hour *****/
// Example: if Seconds == 42300 (time == 11:45:00) =>
// TimeMinutes = 42300/60 = 705 =>
// Hour = 705/60 = 11
TimeMinutes = StartTimeSeconds / Tmt_SECONDS_PER_MINUTE;
Range->Hours.Start = TimeMinutes / Tmt_MINUTES_PER_HOUR;
/***** Compute maximum hour *****/
// Example: if Seconds == 42300 (time == 11:45:00) =>
// TimeMinutes = 42300/60 = 705 =>
// Hour = 705/60 = 11
// 705 % 60 = 45 ==> Hour = Hour+1 = 12
TimeMinutes = EndTimeSeconds / Tmt_SECONDS_PER_MINUTE;
Range->Hours.End = TimeMinutes / Tmt_MINUTES_PER_HOUR;
if (TimeMinutes % Tmt_MINUTES_PER_HOUR)
Range->Hours.End++;
/***** Compute resolution (longest interval necessary for this cell) *****/
Range->MinutesPerInterval = Tmt_CalculateMinutesPerInterval (StartTimeSeconds);
if (Range->MinutesPerInterval > Tmt_MinutesPerInterval[0]) // If not already the shortest
{
MinutesPerIntervalForEndTime = Tmt_CalculateMinutesPerInterval (EndTimeSeconds);
if (MinutesPerIntervalForEndTime < Range->MinutesPerInterval)
Range->MinutesPerInterval = MinutesPerIntervalForEndTime;
}
}
/*****************************************************************************/
/*********************** Calculate minutes per interval **********************/
/*****************************************************************************/
// Example: if Seconds == 42300 (time == 11:45:00) => Minutes = 45 => Resolution = 15
static unsigned Tmt_CalculateMinutesPerInterval (unsigned Seconds)
{
unsigned Minutes;
unsigned MinutesPerInterval;
unsigned Resolution;
/***** Compute minutes part (45) of a time (11:45:00) from seconds (42300) *****/
Minutes = (Seconds / Tmt_SECONDS_PER_MINUTE) % Tmt_MINUTES_PER_HOUR;
/***** Compute minutes per interval *****/
MinutesPerInterval = Tmt_MinutesPerInterval[0]; // Default: the shortest interval
for (Resolution = Tmt_NUM_RESOLUTIONS - 1; // From the longest interval...
Resolution > 0;
Resolution--) // ...to shorter intervals
if (Minutes % Tmt_MinutesPerInterval[Resolution] == 0)
{
MinutesPerInterval = Tmt_MinutesPerInterval[Resolution];
break;
}
return MinutesPerInterval;
}
/*****************************************************************************/
/*********************** Modify a class in timetable *************************/
/*****************************************************************************/
static void Tmt_ModifTimeTable (struct Tmt_Timetable *Timetable)
{
if (Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].IntervalType == Tmt_FIRST_INTERVAL)
{
/***** Free this cell *****/
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].GrpCod = -1L;
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].IntervalType = Tmt_FREE_INTERVAL;
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].ClassType = Tmt_FREE;
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].DurationIntervals = 0;
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].Info[0] = '\0';
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].NumColumns--;
}
if (Timetable->ClassType != Tmt_FREE &&
Timetable->DurationIntervals > 0 &&
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].NumColumns < Tmt_MAX_COLUMNS_PER_CELL)
{
/***** Change this cell *****/
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].NumColumns++;
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].GrpCod = Timetable->GrpCod;
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].IntervalType = Tmt_FIRST_INTERVAL;
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].ClassType = Timetable->ClassType;
Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].DurationIntervals = Timetable->DurationIntervals;
Str_Copy (Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].Info,
Timetable->Info,
sizeof (Tmt_TimeTable[Timetable->WhichCell.Weekday][Timetable->WhichCell.Interval].Columns[Timetable->WhichCell.Column].Info) - 1);
}
}
/*****************************************************************************/
/********************* Draw timetable using internal table *******************/
/*****************************************************************************/
static void Tmt_DrawTimeTable (const struct Tmt_Timetable *Timetable)
{
unsigned DayColumn; // Column from left (0) to right (6)
struct Tmt_WhichCell WhichCell;
unsigned Min;
unsigned ColumnsToDraw;
unsigned ColumnsToDrawIncludingExtraColumn;
unsigned ContinuousFreeMinicolumns;
/***** Begin table *****/
HTM_TABLE_Begin ("TT");
/***** Top row used for column adjustement *****/
Tmt_TimeTableDrawAdjustRow ();
/***** Row with day names *****/
HTM_TR_Begin (NULL);
Tmt_DrawHourCell (Timetable->Config.Range.Hours.Start,0,"RM");
Tmt_DrawCellAlignTimeTable ();
Tmt_TimeTableDrawDaysCells ();
Tmt_DrawCellAlignTimeTable ();
Tmt_DrawHourCell (Timetable->Config.Range.Hours.Start,0,"LM");
HTM_TR_End ();
/***** Get list of groups types and groups in this course *****/
if (Gbl.Action.Act == ActEdiCrsTT ||
Gbl.Action.Act == ActChgCrsTT)
Grp_GetListGrpTypesAndGrpsInThisCrs (Grp_ONLY_GROUP_TYPES_WITH_GROUPS);
/***** Write the table row by row *****/
for (WhichCell.Interval = 0, Min = Timetable->Config.Range.MinutesPerInterval;
WhichCell.Interval < Timetable->Config.IntervalsPerDay;
WhichCell.Interval++,
Min = (Min + Timetable->Config.Range.MinutesPerInterval) %
Tmt_SECONDS_PER_MINUTE)
{
HTM_TR_Begin (NULL);
/* Left hour:minutes cell */
if (WhichCell.Interval % 2)
Tmt_DrawHourCell (Timetable->Config.Range.Hours.Start +
(WhichCell.Interval + 2) / Timetable->Config.IntervalsPerHour,
Min,
"RM");
/* Empty column used to adjust height */
Tmt_DrawCellAlignTimeTable ();
/* Row for this hour */
for (DayColumn = 0;
DayColumn < Tmt_DAYS_PER_WEEK;
DayColumn++)
{
/* Weekday == 0 ==> monday,
...
Weekday == 6 ==> sunday */
WhichCell.Weekday = (DayColumn + Gbl.Prefs.FirstDayOfWeek) % 7;
/* Check how many colums are needed.
For each item (class) in this hour from left to right,
we must check the maximum of columns */
ColumnsToDraw = Tmt_CalculateColsToDrawInCell (Timetable,
true, // Top call, non recursive
WhichCell.Weekday,WhichCell.Interval);
if (ColumnsToDraw == 0 &&
(Timetable->View == Tmt_CRS_VIEW ||
Timetable->View == Tmt_TUT_VIEW))
ColumnsToDraw = 1;
// If editing and there's place for more columns,
// a potential new column is added at the end of each day
ColumnsToDrawIncludingExtraColumn = ColumnsToDraw;
if (ColumnsToDraw < Tmt_MAX_COLUMNS_PER_CELL &&
(Timetable->View == Tmt_CRS_EDIT ||
Timetable->View == Tmt_TUT_EDIT))
ColumnsToDrawIncludingExtraColumn++;
/* Draw cells */
for (WhichCell.Column = 0, ContinuousFreeMinicolumns = 0;
WhichCell.Column < ColumnsToDrawIncludingExtraColumn;
WhichCell.Column++)
if (Tmt_TimeTable[WhichCell.Weekday][WhichCell.Interval].Columns[WhichCell.Column].IntervalType == Tmt_FREE_INTERVAL)
ContinuousFreeMinicolumns += Tmt_NUM_MINICOLUMNS_PER_DAY /
ColumnsToDrawIncludingExtraColumn;
else
{
if (ContinuousFreeMinicolumns)
{
WhichCell.Column--;
Tmt_TimeTableDrawCell (Timetable,
&WhichCell,ContinuousFreeMinicolumns,
-1L,-1L,Tmt_FREE_INTERVAL,Tmt_FREE,0,NULL);
WhichCell.Column++;
ContinuousFreeMinicolumns = 0;
}
Tmt_TimeTableDrawCell (Timetable,
&WhichCell,
Tmt_NUM_MINICOLUMNS_PER_DAY /
ColumnsToDrawIncludingExtraColumn,
Tmt_TimeTable[WhichCell.Weekday][WhichCell.Interval].Columns[WhichCell.Column].CrsCod,
Tmt_TimeTable[WhichCell.Weekday][WhichCell.Interval].Columns[WhichCell.Column].GrpCod,
Tmt_TimeTable[WhichCell.Weekday][WhichCell.Interval].Columns[WhichCell.Column].IntervalType,
Tmt_TimeTable[WhichCell.Weekday][WhichCell.Interval].Columns[WhichCell.Column].ClassType,
Tmt_TimeTable[WhichCell.Weekday][WhichCell.Interval].Columns[WhichCell.Column].DurationIntervals,
Tmt_TimeTable[WhichCell.Weekday][WhichCell.Interval].Columns[WhichCell.Column].Info);
}
if (ContinuousFreeMinicolumns)
{
WhichCell.Column--;
Tmt_TimeTableDrawCell (Timetable,
&WhichCell,ContinuousFreeMinicolumns,
-1L,-1L,Tmt_FREE_INTERVAL,Tmt_FREE,0,NULL);
WhichCell.Column++;
}
}
/* Empty column used to adjust height */
Tmt_DrawCellAlignTimeTable ();
/* Right hour:minutes cell */
if (WhichCell.Interval % 2)
Tmt_DrawHourCell (Timetable->Config.Range.Hours.Start +
(WhichCell.Interval + 2) / Timetable->Config.IntervalsPerHour,
Min,
"LM");
HTM_TR_End ();
}
/***** Free list of groups types and groups in this course *****/
if (Gbl.Action.Act == ActEdiCrsTT ||
Gbl.Action.Act == ActChgCrsTT)
Grp_FreeListGrpTypesAndGrps ();
/***** Row with day names *****/
HTM_TR_Begin (NULL);
Tmt_DrawCellAlignTimeTable ();
Tmt_TimeTableDrawDaysCells ();
Tmt_DrawCellAlignTimeTable ();
HTM_TR_End ();
/***** Bottom row used for column adjustement *****/
Tmt_TimeTableDrawAdjustRow ();
/***** End table *****/
HTM_TABLE_End ();
}
/*****************************************************************************/
/********** Draw a row used for column adjustement in a time table ***********/
/*****************************************************************************/
static void Tmt_TimeTableDrawAdjustRow (void)
{
unsigned Weekday;
unsigned Minicolumn;
HTM_TR_Begin (NULL);
HTM_TD_Begin ("class=\"Tmt_HOURCOL\"");
HTM_TD_End ();
Tmt_DrawCellAlignTimeTable ();
for (Weekday = 0;
Weekday < Tmt_DAYS_PER_WEEK;
Weekday++)
for (Minicolumn = 0;
Minicolumn < Tmt_NUM_MINICOLUMNS_PER_DAY;
Minicolumn++)
{
HTM_TD_Begin ("class=\"Tmt_MINICOL\"");
HTM_TD_End ();
}
Tmt_DrawCellAlignTimeTable ();
HTM_TD_Begin ("class=\"Tmt_HOURCOL\"");
HTM_TD_End ();
HTM_TR_End ();
}
/*****************************************************************************/
/****************** Draw cells with day names in a time table ****************/
/*****************************************************************************/
static void Tmt_TimeTableDrawDaysCells (void)
{
extern const char *Txt_DAYS[7];
unsigned DayColumn;
unsigned Weekday;
for (DayColumn = 0;
DayColumn < Tmt_DAYS_PER_WEEK;
DayColumn++)
{
Weekday = (DayColumn + Gbl.Prefs.FirstDayOfWeek) % 7;
HTM_TD_Begin ("colspan=\"%u\" class=\"Tmt_DAY %s%s CM\" style=\"width:%u%%;\"",
Tmt_NUM_MINICOLUMNS_PER_DAY,
Weekday == 6 ? "Tmt_SUNDAY_" : // Sunday drawn in red
"Tmt_DAY_", // Monday to Saturday
The_GetSuffix (),
Tmt_PERCENT_WIDTH_OF_A_DAY);
HTM_Txt (Txt_DAYS[Weekday]);
HTM_TD_End ();
}
}
/*****************************************************************************/
/****************** Draw cells with day names in a time table ****************/
/*****************************************************************************/
static void Tmt_DrawHourCell (unsigned Hour,unsigned Min,const char *Align)
{
HTM_TD_Begin ("rowspan=\"2\" class=\"Tmt_HOUR %s_%s %s\"",
Min ? "Tmt_HOURXX" :
"Tmt_HOUR00",
The_GetSuffix (),
Align);
HTM_TxtF ("%02u:%02u",Hour,Min);
HTM_TD_End ();
}
/*****************************************************************************/
/**** Calculate recursively number of columns to draw for a day and hour *****/
/*****************************************************************************/
static unsigned Tmt_CalculateColsToDrawInCell (const struct Tmt_Timetable *Timetable,
bool TopCall,
unsigned Weekday,unsigned Interval)
{
unsigned ColumnsToDraw;
unsigned Column;
unsigned i;
unsigned FirstHour;
unsigned Cols;
static bool *Tmt_IntervalsChecked;
if (TopCall) // Top call, non recursive call
/****** Allocate space to store list of intervals already checked
and initialize to false by using calloc *****/
if ((Tmt_IntervalsChecked = calloc (Timetable->Config.IntervalsPerDay,
sizeof (*Tmt_IntervalsChecked))) == NULL)
Err_NotEnoughMemoryExit ();
ColumnsToDraw = Tmt_TimeTable[Weekday][Interval].NumColumns;
if (!Tmt_IntervalsChecked[Interval])
{
Tmt_IntervalsChecked[Interval] = true;
for (Column = 0;
Column < Tmt_MAX_COLUMNS_PER_CELL;
Column++)
switch (Tmt_TimeTable[Weekday][Interval].Columns[Column].IntervalType)
{
case Tmt_FREE_INTERVAL:
break;
case Tmt_FIRST_INTERVAL:
/* Check from first hour (this one) to last hour
searching maximum number of columns */
for (i = Interval + 1;
i < Interval + Tmt_TimeTable[Weekday][Interval].Columns[Column].DurationIntervals;
i++)
if (!Tmt_IntervalsChecked[i])
{
Cols = Tmt_CalculateColsToDrawInCell (Timetable,
false, // Recursive call
Weekday,i);
if (Cols > ColumnsToDraw)
ColumnsToDraw = Cols;
}
break;
case Tmt_NEXT_INTERVAL:
/* Find first hour for this item (class) */
for (FirstHour = Interval;
Tmt_TimeTable[Weekday][FirstHour].Columns[Column].IntervalType == Tmt_NEXT_INTERVAL;
FirstHour--);
/* Check from first hour to last hour
searching maximum number of columns */
for (i = FirstHour;
i < FirstHour + Tmt_TimeTable[Weekday][FirstHour].Columns[Column].DurationIntervals;
i++)
if (!Tmt_IntervalsChecked[i])
{
Cols = Tmt_CalculateColsToDrawInCell (Timetable,
false, // Recursive call
Weekday,i);
if (Cols > ColumnsToDraw)
ColumnsToDraw = Cols;
}
break;
}
}
if (TopCall) // Top call, non recursive call
/****** Free space used by list of intervals already checked *****/
free (Tmt_IntervalsChecked);
return ColumnsToDraw;
}
/*****************************************************************************/
/******************** Write empty cell for alignment *************************/
/*****************************************************************************/
static void Tmt_DrawCellAlignTimeTable (void)
{
HTM_TD_Begin ("class=\"Tmt_ALIGN\"");
HTM_TD_End ();
}
/*****************************************************************************/
/*************************** Write a timetable cell **************************/
/*****************************************************************************/
static void Tmt_TimeTableDrawCell (const struct Tmt_Timetable *Timetable,
const struct Tmt_WhichCell *WhichCell,unsigned ColSpan,
long CrsCod,long GrpCod,
Tmt_IntervalType_t IntervalType,Tmt_ClassType_t ClassType,
unsigned DurationNumIntervals,const char *Info)
{
extern const char *Txt_All_groups;
static const char *TimeTableClasses[Tmt_NUM_CLASS_TYPES] =
{
[Tmt_FREE ] = "Tmt_FREE", // free hour
[Tmt_LECTURE ] = "Tmt_LECT", // lecture class
[Tmt_PRACTICAL] = "Tmt_PRAC", // practical class
[Tmt_TUTORING ] = "Tmt_TUTO", // tutoring/office hour
};
unsigned RowSpan = 0;
char *RowSpanStr;
char *ColSpanStr;
char *ClassStr;
/***** Compute row span and background color depending on hour type *****/
switch (IntervalType)
{
case Tmt_FREE_INTERVAL: // Free cell written
RowSpan = 1;
break;
case Tmt_FIRST_INTERVAL: // Normal cell written
RowSpan = DurationNumIntervals;
break;
case Tmt_NEXT_INTERVAL: // Nothing written
break;
}
/***** If there's nothing to do... *****/
if (RowSpan == 0)
return;
/***** Cell start *****/
/* Create rowspan, colspan and class strings */
if (RowSpan > 1)
{
if (asprintf (&RowSpanStr,"rowspan=\"%u\" ",RowSpan) < 0)
Err_NotEnoughMemoryExit ();
}
else
{
if (asprintf (&RowSpanStr,"%s","") < 0)
Err_NotEnoughMemoryExit ();
}
if (ColSpan > 1)
{
if (asprintf (&ColSpanStr,"colspan=\"%u\" ",ColSpan) < 0)
Err_NotEnoughMemoryExit ();
}
else
{
if (asprintf (&ColSpanStr,"%s","") < 0)
Err_NotEnoughMemoryExit ();
}
switch (ClassType)
{
case Tmt_FREE:
if (asprintf (&ClassStr,"Tmt_CELL Tmt_FREE%u_%s",
WhichCell->Interval % 4,
The_GetSuffix ()) < 0)
Err_NotEnoughMemoryExit ();
break;
default:
if (asprintf (&ClassStr,"Tmt_CELL %s",
TimeTableClasses[ClassType]) < 0)
Err_NotEnoughMemoryExit ();
break;
}
/* Begin cell */
HTM_TD_Begin ("%s%sclass=\"%s\"",RowSpanStr,ColSpanStr,ClassStr);
/* Free allocated memory for rowspan, colspan and class strings */
free (RowSpanStr);
free (ColSpanStr);
free (ClassStr);
/***** Draw cell depending on type of view *****/
switch (Timetable->View)
{
case Tmt_CRS_VIEW: // View course timetable
case Tmt_TUT_VIEW: // View tutoring timetable
if (IntervalType != Tmt_FREE_INTERVAL) // If cell is not empty...
Tmt_TimeTableDrawCellView (Timetable,
CrsCod,GrpCod,
ClassType,
DurationNumIntervals,
Info);
break;
case Tmt_CRS_EDIT: // Edit course timetable
case Tmt_TUT_EDIT: // Edit tutoring timetable
Tmt_TimeTableDrawCellEdit (Timetable,WhichCell,
GrpCod,
IntervalType,ClassType,
DurationNumIntervals,
Info);
break;
}
/***** End cell *****/
HTM_TD_End ();
}
static void Tmt_TimeTableDrawCellView (const struct Tmt_Timetable *Timetable,
long CrsCod,long GrpCod,
Tmt_ClassType_t ClassType,
unsigned DurationNumIntervals,
const char *Info)
{
extern const char *Txt_unknown_removed_course;
extern const char *Txt_TIMETABLE_CLASS_TYPES[Tmt_NUM_CLASS_TYPES];
struct Crs_Course Crs;
struct GroupData GrpDat;
/***** Begin cell *****/
HTM_DIV_Begin ("class=\"Tmt_TXT\"");
/***** Course name *****/
if (Timetable->Type == Tmt_MY_TIMETABLE &&
(ClassType == Tmt_LECTURE ||
ClassType == Tmt_PRACTICAL))
{
Crs.CrsCod = CrsCod;
Crs_GetCourseDataByCod (&Crs);
HTM_Txt (Crs.ShrtName[0] ? Crs.ShrtName :
Txt_unknown_removed_course);
HTM_BR ();
}
/***** Type of class and duration *****/
HTM_TxtF ("%s (%u:%02u)",
Txt_TIMETABLE_CLASS_TYPES[ClassType],
(DurationNumIntervals / Timetable->Config.IntervalsPerHour), // Hours
(DurationNumIntervals % Timetable->Config.IntervalsPerHour) *
Timetable->Config.Range.MinutesPerInterval); // Minutes
/***** Group *****/
if (Timetable->View == Tmt_CRS_VIEW &&
GrpCod > 0)
{
GrpDat.GrpCod = GrpCod;
Grp_GetGroupDataByCod (&GrpDat);
HTM_BR ();
HTM_Txt (GrpDat.GrpTypName);
HTM_BR ();
HTM_Txt (GrpDat.GrpName);
if (GrpDat.Room.RooCod > 0)
{
HTM_BR ();
HTM_TxtF ("(%s)",GrpDat.Room.ShrtName);
}
}
/***** Info *****/
if (Info)
if (Info[0])
{
HTM_BR ();
HTM_Txt (Info);
}
/***** End cell *****/
HTM_DIV_End ();
}
static void Tmt_TimeTableDrawCellEdit (const struct Tmt_Timetable *Timetable,
const struct Tmt_WhichCell *WhichCell,
long GrpCod,
Tmt_IntervalType_t IntervalType,Tmt_ClassType_t ClassType,
unsigned DurationNumIntervals,const char *Info)
{
extern const char *Par_CodeStr[];
extern const char *Tmt_DB_ClassType[Tmt_NUM_CLASS_TYPES];
extern const char *Txt_TIMETABLE_CLASS_TYPES[Tmt_NUM_CLASS_TYPES];
extern const char *Txt_Group;
extern const char *Txt_All_groups;
extern const char *Txt_Info;
static Act_Action_t NextAction[Tmt_NUM_VIEW_EDIT] =
{
[Tmt_CRS_VIEW] = ActUnk, // course view
[Tmt_TUT_VIEW] = ActUnk, // tutorials view
[Tmt_CRS_EDIT] = ActChgCrsTT, // course edit
[Tmt_TUT_EDIT] = ActChgTut, // tutorials edit
};
char *CellStr; // Unique string for this cell used in labels
Tmt_ClassType_t CT;
unsigned i;
unsigned Dur;
unsigned MaxDuration;
char *TTDur;
unsigned NumGrpTyp;
unsigned NumGrp;
struct GroupType *GrpTyp;
struct Group *Grp;
char *Room;
/***** Form to modify this cell *****/
Frm_BeginForm (NextAction[Timetable->View]);
/***** Put hidden parameters *****/
Par_PutParUnsigned (NULL,"TTDay",WhichCell->Weekday );
Par_PutParUnsigned (NULL,"TTInt",WhichCell->Interval);
Par_PutParUnsigned (NULL,"TTCol",WhichCell->Column );
/***** Class type *****/
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,NULL,
"name=\"TTTyp\" class=\"Tmt_TYP INPUT_%s\"",
The_GetSuffix ());
for (CT = (Tmt_ClassType_t) 0;
CT <= (Tmt_ClassType_t) (Tmt_NUM_CLASS_TYPES - 1);
CT++)
if ((CT == Tmt_FREE) ||
((Timetable->View == Tmt_CRS_EDIT) && (CT == Tmt_LECTURE || CT == Tmt_PRACTICAL)) ||
((Timetable->View == Tmt_TUT_EDIT) && (CT == Tmt_TUTORING)))
HTM_OPTION (HTM_Type_STRING,Tmt_DB_ClassType[CT],
CT == ClassType ? HTM_OPTION_SELECTED :
HTM_OPTION_UNSELECTED,
HTM_OPTION_ENABLED,
"%s",Txt_TIMETABLE_CLASS_TYPES[CT]);
HTM_SELECT_End ();
if (IntervalType == Tmt_FREE_INTERVAL)
{
for (i = WhichCell->Interval + 1;
i < Timetable->Config.IntervalsPerDay;
i++)
if (Tmt_TimeTable[WhichCell->Weekday][i].NumColumns == Tmt_MAX_COLUMNS_PER_CELL)
break;
MaxDuration = i - WhichCell->Interval;
Dur = (MaxDuration >= Timetable->Config.IntervalsPerHour) ? Timetable->Config.IntervalsPerHour : // MaxDuration >= 1h ==> Dur = 1h
MaxDuration; // MaxDuration < 1h ==> Dur = MaxDuration
if (asprintf (&TTDur,"%u:%02u",
(Dur / Timetable->Config.IntervalsPerHour), // Hours
(Dur % Timetable->Config.IntervalsPerHour) *
Timetable->Config.Range.MinutesPerInterval) < 0) // Minutes
Err_NotEnoughMemoryExit ();
Par_PutParString (NULL,"TTDur",TTDur);
free (TTDur);
}
else
{
/***** Class duration *****/
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,NULL,
"name=\"TTDur\" class=\"Tmt_DUR INPUT_%s\"",
The_GetSuffix ());
for (i = WhichCell->Interval +
Tmt_TimeTable[WhichCell->Weekday][WhichCell->Interval].Columns[WhichCell->Column].DurationIntervals;
i < Timetable->Config.IntervalsPerDay;
i++)
if (Tmt_TimeTable[WhichCell->Weekday][i].NumColumns == Tmt_MAX_COLUMNS_PER_CELL)
break;
MaxDuration = i - WhichCell->Interval;
if (Tmt_TimeTable[WhichCell->Weekday][WhichCell->Interval].Columns[WhichCell->Column].DurationIntervals > MaxDuration)
MaxDuration = Tmt_TimeTable[WhichCell->Weekday][WhichCell->Interval].Columns[WhichCell->Column].DurationIntervals;
for (Dur = 0;
Dur <= MaxDuration;
Dur++)
{
if (asprintf (&TTDur,"%u:%02u",
(Dur / Timetable->Config.IntervalsPerHour), // Hours
(Dur % Timetable->Config.IntervalsPerHour) *
Timetable->Config.Range.MinutesPerInterval) < 0) // Minutes
Err_NotEnoughMemoryExit ();
HTM_OPTION (HTM_Type_STRING,TTDur,
Dur == DurationNumIntervals ? HTM_OPTION_SELECTED :
HTM_OPTION_UNSELECTED,
HTM_OPTION_ENABLED,
"%s",TTDur);
free (TTDur);
}
HTM_SELECT_End ();
/***** Create unique string for this cell used in labels *****/
if (asprintf (&CellStr,"%02u%02u%02u",
WhichCell->Weekday,
WhichCell->Interval,
WhichCell->Column) < 0)
Err_NotEnoughMemoryExit ();
if (Timetable->View == Tmt_CRS_EDIT)
{
/***** Group *****/
HTM_BR ();
HTM_LABEL_Begin ("for=\"TTGrp%s\"",CellStr);
HTM_Txt (Txt_Group);
HTM_LABEL_End ();
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,NULL,
"id=\"TTGrp%s\" name=\"%s\""
" class=\"Tmt_GRP INPUT_%s\"",
CellStr,Par_CodeStr[ParCod_Grp],
The_GetSuffix ());
HTM_OPTION (HTM_Type_STRING,"-1",
GrpCod <= 0 ? HTM_OPTION_SELECTED :
HTM_OPTION_UNSELECTED,
HTM_OPTION_ENABLED,
"%s",Txt_All_groups);
for (NumGrpTyp = 0;
NumGrpTyp < Gbl.Crs.Grps.GrpTypes.NumGrpTypes;
NumGrpTyp++)
{
GrpTyp = &Gbl.Crs.Grps.GrpTypes.LstGrpTypes[NumGrpTyp];
for (NumGrp = 0;
NumGrp < GrpTyp->NumGrps;
NumGrp++)
{
Grp = &GrpTyp->LstGrps[NumGrp];
if (Grp->Room.RooCod > 0)
{
if (asprintf (&Room," (%s)",Grp->Room.ShrtName) < 0)
Err_NotEnoughMemoryExit ();
}
else
{
if (asprintf (&Room,"%s","") < 0)
Err_NotEnoughMemoryExit ();
}
HTM_OPTION (HTM_Type_LONG,&Grp->GrpCod,
GrpCod == Grp->GrpCod ? HTM_OPTION_SELECTED :
HTM_OPTION_UNSELECTED,
HTM_OPTION_ENABLED,
"%s %s%s",
GrpTyp->GrpTypName,Grp->GrpName,Room);
free (Room);
}
}
HTM_SELECT_End ();
/***** Info *****/
HTM_BR ();
HTM_LABEL_Begin ("for=\"TTInf%s\"",CellStr);
HTM_Txt (Txt_Info);
HTM_LABEL_End ();
HTM_INPUT_TEXT ("TTInf",Tmt_MAX_CHARS_INFO,Info ? Info :
"",
HTM_SUBMIT_ON_CHANGE,
"id=\"TTInf%s\" size=\"1\""
" class=\"Tmt_INF INPUT_%s\"",
CellStr,The_GetSuffix ());
}
else // TimeTableView == Tmt_TUT_EDIT
{
/***** Info *****/
HTM_BR ();
HTM_LABEL_Begin ("for=\"TTInf%s\" class=\"DAT_SMALL_%s\"",
CellStr,
The_GetSuffix ());
HTM_Txt (Txt_Info);
HTM_LABEL_End ();
HTM_INPUT_TEXT ("TTInf",Tmt_MAX_CHARS_INFO,Info,
HTM_SUBMIT_ON_CHANGE,
"id=\"TTInf%s\" size=\"12\""
" class=\"Tmt_INF INPUT_%s\"",
CellStr,The_GetSuffix ());
}
/***** Free allocated unique string for this cell used in labels *****/
free (CellStr);
}
/***** End form *****/
Frm_EndForm ();
}
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