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swad-core/swad_calendar.c

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// swad_calendar.c: Draw month and calendar
/*
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) 1999-2016 Antonio Cañas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/********************************* Headers ***********************************/
/*****************************************************************************/
#include <string.h> // For string functions
#include "swad_exam.h"
#include "swad_calendar.h"
#include "swad_database.h"
#include "swad_global.h"
#include "swad_parameter.h"
#include "swad_preference.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/**************************** Private constants ******************************/
/*****************************************************************************/
const bool Cal_DayIsValidAsFirstDayOfWeek[7] =
{
true, // 0: monday
false, // 1: tuesday
false, // 2: wednesday
false, // 3: thursday
false, // 4: friday
false, // 5: saturday
true, // 6: sunday
};
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static void Cal_ShowFormToSelFirstDayOfWeek (Act_Action_t Action,const char *ClassIcon);
static unsigned Cal_GetParamFirstDayOfWeek (void);
static void Cal_PutIconToPrintCalendar (void);
/*****************************************************************************/
/************** Put icons to select the first day of the week ****************/
/*****************************************************************************/
void Cal_PutIconsToSelectFirstDayOfWeek (void)
{
extern const char *Txt_Calendar;
Lay_StartRoundFrameTable (NULL,0,Txt_Calendar);
Cal_ShowFormToSelFirstDayOfWeek (ActChg1stDay,"ICON40x40");
Lay_EndRoundFrameTable ();
}
/*****************************************************************************/
/************** Show form to select the first day of the week ****************/
/*****************************************************************************/
void Cal_ShowIntegratedFormToSelFirstDayOfWeek (Act_Action_t Action)
{
fprintf (Gbl.F.Out,"<table class=\"CELLS_PAD_2\" style=\"margin:0 auto;\">");
Cal_ShowFormToSelFirstDayOfWeek (Action,"ICON25x25");
fprintf (Gbl.F.Out,"</table>");
}
/*****************************************************************************/
/******** Show form in calendar to select the first day of the week **********/
/*****************************************************************************/
static void Cal_ShowFormToSelFirstDayOfWeek (Act_Action_t Action,const char *ClassIcon)
{
extern const char *Txt_First_day_of_the_week;
extern const char *Txt_DAYS_SMALL[7];
unsigned FirstDayOfWeek;
fprintf (Gbl.F.Out,"<tr>");
for (FirstDayOfWeek = 0; // Monday
FirstDayOfWeek <= 6; // Sunday
FirstDayOfWeek++)
if (Cal_DayIsValidAsFirstDayOfWeek[FirstDayOfWeek])
{
fprintf (Gbl.F.Out,"<td class=\"%s\">",
FirstDayOfWeek == Gbl.Prefs.FirstDayOfWeek ? "PREF_ON" :
"PREF_OFF");
Act_FormStart (Action);
Par_PutHiddenParamUnsigned ("FirstDayOfWeek",FirstDayOfWeek);
fprintf (Gbl.F.Out,"<input type=\"image\" src=\"%s/first-day-of-week-%u-64x64.png\""
" alt=\"%s\" title=\"%s: %s\" class=\"%s\""
" style=\"margin:0 auto;\" />",
Gbl.Prefs.IconsURL,
FirstDayOfWeek,
Txt_DAYS_SMALL[FirstDayOfWeek],
Txt_First_day_of_the_week,Txt_DAYS_SMALL[FirstDayOfWeek],
ClassIcon);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</td>");
}
fprintf (Gbl.F.Out,"</tr>");
}
/*****************************************************************************/
/************************* Change first day of week **************************/
/*****************************************************************************/
void Cal_ChangeFirstDayOfWeek (void)
{
char Query[512];
/***** Get param with icon set *****/
Gbl.Prefs.FirstDayOfWeek = Cal_GetParamFirstDayOfWeek ();
/***** Store icon set in database *****/
if (Gbl.Usrs.Me.Logged)
{
sprintf (Query,"UPDATE usr_data SET FirstDayOfWeek='%u'"
" WHERE UsrCod='%ld'",
Gbl.Prefs.FirstDayOfWeek,
Gbl.Usrs.Me.UsrDat.UsrCod);
DB_QueryUPDATE (Query,"can not update your preference about first day of week");
}
/***** Set preferences from current IP *****/
Pre_SetPrefsFromIP ();
}
/*****************************************************************************/
/*********************** Get parameter with icon set *************************/
/*****************************************************************************/
static unsigned Cal_GetParamFirstDayOfWeek (void)
{
char UnsignedStr[10+1];
unsigned UnsignedNum;
unsigned FirstDayOfWeek = Cal_FIRST_DAY_OF_WEEK_DEFAULT;
Par_GetParToText ("FirstDayOfWeek",UnsignedStr,10);
if (sscanf (UnsignedStr,"%u",&UnsignedNum) == 1)
if (Cal_DayIsValidAsFirstDayOfWeek[UnsignedNum])
FirstDayOfWeek = UnsignedNum;
return FirstDayOfWeek;
}
/*****************************************************************************/
/***************************** Draw current month ****************************/
/*****************************************************************************/
void Cal_DrawCurrentMonth (void)
{
extern const char *Txt_STR_LANG_ID[1+Txt_NUM_LANGUAGES];
char Params[256+256+Ses_LENGTH_SESSION_ID+256];
/***** Get list of holidays *****/
if (!Gbl.Hlds.LstIsRead)
{
Gbl.Hlds.SelectedOrderType = Hld_ORDER_BY_START_DATE;
Hld_GetListHolidays ();
}
/***** Create list of dates of exam announcements *****/
Exa_CreateListOfExamAnnouncements ();
/***** Draw the month in JavaScript *****/
/* JavaScript will write HTML here */
fprintf (Gbl.F.Out,"<div id=\"CurrentMonth\">"
"</div>");
/* Write script to draw the month */
fprintf (Gbl.F.Out,"<script type=\"text/javascript\">"
" Gbl_HTMLContent = '';"
" DrawCurrentMonth ('CurrentMonth',%u,%ld,%ld,'%s/%s',",
Gbl.Prefs.FirstDayOfWeek,
(long) Gbl.StartExecutionTimeUTC,
Gbl.CurrentCtr.Ctr.PlcCod,
Cfg_HTTPS_URL_SWAD_CGI,
Txt_STR_LANG_ID[Gbl.Prefs.Language]);
Act_SetParamsForm (Params,ActSeeCal,true);
fprintf (Gbl.F.Out,"'%s',",Params);
Act_SetParamsForm (Params,ActSeeExaAnn,true);
fprintf (Gbl.F.Out,"'%s');"
"</script>",Params);
/***** Free list of dates of exam announcements *****/
Exa_FreeListExamAnnouncements ();
}
/*****************************************************************************/
/************************ Draw an academic calendar **************************/
/*****************************************************************************/
/* Current Starting
month month
1 -> 10
2 -> 10
3 -> 10
4 -> 1
5 -> 1
6 -> 1
7 -> 4
8 -> 4
9 -> 4
10 -> 7
11 -> 7
12 -> 7
*/
void Cal_DrawCalendar (void)
{
extern const char *Txt_STR_LANG_ID[1+Txt_NUM_LANGUAGES];
char Params[256+256+Ses_LENGTH_SESSION_ID+256];
bool PrintView = (Gbl.Action.Act == ActPrnCal);
/***** Get list of holidays *****/
if (!Gbl.Hlds.LstIsRead)
{
Gbl.Hlds.SelectedOrderType = Hld_ORDER_BY_START_DATE;
Hld_GetListHolidays ();
}
/***** Create list of calls for examination *****/
Exa_CreateListOfExamAnnouncements ();
/***** Start frame *****/
Lay_StartRoundFrame (NULL,NULL,PrintView ? NULL :
Cal_PutIconToPrintCalendar);
Lay_WriteHeaderClassPhoto (PrintView,false,
Gbl.CurrentIns.Ins.InsCod,
Gbl.CurrentDeg.Deg.DegCod,
Gbl.CurrentCrs.Crs.CrsCod);
/***** Draw several months *****/
/* Show form to change first day of week */
if (!PrintView)
Cal_ShowIntegratedFormToSelFirstDayOfWeek (ActChgCal1stDay);
/* JavaScript will write HTML here */
fprintf (Gbl.F.Out,"<div id=\"calendar\">"
"</div>");
/* Write script to draw the month */
fprintf (Gbl.F.Out,"<script type=\"text/javascript\">"
" Gbl_HTMLContent = '';"
" Cal_DrawCalendar('calendar',%u,%ld,%ld,%s,'%s/%s',",
Gbl.Prefs.FirstDayOfWeek,
(long) Gbl.StartExecutionTimeUTC,
Gbl.CurrentCtr.Ctr.PlcCod,
(Gbl.Action.Act == ActPrnCal) ? "true" :
"false",
Cfg_HTTPS_URL_SWAD_CGI,
Txt_STR_LANG_ID[Gbl.Prefs.Language]);
Act_SetParamsForm (Params,ActSeeCal,true);
fprintf (Gbl.F.Out,"'%s',",
Params);
Act_SetParamsForm (Params,ActSeeExaAnn,true);
fprintf (Gbl.F.Out,"'%s');"
"</script>",
Params);
/***** Free list of dates of exam announcements *****/
Exa_FreeListExamAnnouncements ();
/***** End frame *****/
Lay_EndRoundFrame ();
}
/*****************************************************************************/
/************************ Draw an academic calendar **************************/
/*****************************************************************************/
static void Cal_PutIconToPrintCalendar (void)
{
extern const char *Txt_Print;
Lay_PutContextualLink (ActPrnCal,NULL,"print64x64.png",Txt_Print,NULL);
}
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