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swad-core/swad_layout.c

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// swad_layout.c: page layout
/*
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) 1999-2019 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 <linux/stddef.h> // For NULL
#include <stdlib.h> // For exit
#include <string.h> // For string functions
#include "swad_action.h"
#include "swad_API.h"
#include "swad_box.h"
#include "swad_calendar.h"
#include "swad_changelog.h"
#include "swad_config.h"
#include "swad_connected.h"
#include "swad_database.h"
#include "swad_exam.h"
#include "swad_firewall.h"
#include "swad_follow.h"
#include "swad_form.h"
#include "swad_global.h"
#include "swad_help.h"
#include "swad_hierarchy.h"
#include "swad_HTML.h"
#include "swad_language.h"
#include "swad_logo.h"
#include "swad_MFU.h"
#include "swad_notice.h"
#include "swad_notification.h"
#include "swad_parameter.h"
#include "swad_setting.h"
#include "swad_tab.h"
#include "swad_theme.h"
#include "swad_timeline.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/****************************** Public constants *****************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private constants *****************************/
/*****************************************************************************/
/*****************************************************************************/
/******************************* Private types *******************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static void Lay_WriteEndOfPage (void);
static void Lay_WritePageTitle (void);
static void Lay_WriteRedirToMyLangOnLogIn (void);
static void Lay_WriteRedirToMyLangOnViewUsrAgd (void);
static void Lay_WriteScripts (void);
static void Lay_WriteScriptMathJax (void);
static void Lay_WriteScriptInit (void);
static void Lay_WriteScriptParamsAJAX (void);
static void Lay_WriteScriptCustomDropzone (void);
static void Lay_WritePageTopHeading (void);
static void Lay_WriteBreadcrumb (void);
static void Lay_WriteTitleAction (void);
static void Lay_ShowLeftColumn (void);
static void Lay_ShowRightColumn (void);
static void Lay_WriteAboutZone (void);
static void Lay_WriteFootFromHTMLFile (void);
static void Lay_HelpTextEditor (const char *Text,const char *InlineMath,const char *Equation);
/*****************************************************************************/
/*********************** Write the start of the page *************************/
/*****************************************************************************/
void Lay_WriteStartOfPage (void)
{
extern const char *Lan_STR_LANG_ID[1 + Lan_NUM_LANGUAGES];
extern const unsigned Txt_Current_CGI_SWAD_Language;
extern const char *The_TabOnBgColors[The_NUM_THEMES];
static const char *LayoutMainZone[Mnu_NUM_MENUS] =
{
[Mnu_MENU_HORIZONTAL] = "main_horizontal",
[Mnu_MENU_VERTICAL ] = "main_vertical",
};
Act_BrowserTab_t BrowserTab;
/***** If, when this function is called, the head is being written
or the head is already written ==> don't do anything *****/
if (Gbl.Layout.WritingHTMLStart ||
Gbl.Layout.HTMLStartWritten)
return;
/***** Compute connected users to be displayed in right columns *****/
Con_ComputeConnectedUsrsBelongingToCurrentCrs ();
/***** Send head width the file type for the HTTP protocol *****/
if (Gbl.Action.UsesAJAX)
// Don't generate a full HTML page, only the content of a DIV or similar
{
HTM_Txt ("Content-Type: text/html; charset=windows-1252\r\n\r\n");
Gbl.Layout.WritingHTMLStart = false;
Gbl.Layout.HTMLStartWritten = Gbl.Layout.DivsEndWritten = true;
return;
}
/***** If serving a web service ==> don't do anything *****/
if (Gbl.WebService.IsWebService)
{
Gbl.Layout.WritingHTMLStart = false;
Gbl.Layout.HTMLStartWritten = Gbl.Layout.DivsEndWritten = true;
return;
}
Gbl.Layout.WritingHTMLStart = true;
/***** Write header to standard output to avoid timeout *****/
// Two \r\n are necessary
fprintf (stdout,"Content-type: text/html; charset=windows-1252\r\n\r\n"
"<!DOCTYPE html>\n");
/***** Write start of HTML code *****/
// WARNING: It is necessary to comment the line 'AddDefaultCharset UTF8'
// in httpd.conf to enable meta tag
HTM_TxtF ("<html lang=\"%s\">\n",Lan_STR_LANG_ID[Gbl.Prefs.Language]);
HTM_Txt ("<head>\n"
"<meta http-equiv=\"Content-Type\" content=\"text/html;charset=windows-1252\" />\n"
"<meta name=\"description\" content=\"A free-software, educational, online tool for managing courses and students.\" />\n"
"<meta name=\"keywords\" content=\"");
HTM_Txt (Cfg_PLATFORM_SHORT_NAME);
HTM_Txt (","
"SWAD,"
"shared workspace at a distance,"
"educational platform,"
"sistema web de apoyo a la docencia,"
"plataforma educativa,"
"campus virtual,"
"SWADroid,"
"LMS,"
"Learning Management System\" />\n");
/* Viewport (used for responsive design) */
HTM_Txt ("<meta name=\"viewport\""
" content=\"width=device-width, initial-scale=1.0\">\n");
/* Title */
Lay_WritePageTitle ();
/* Canonical URL */
HTM_TxtF ("<link rel=\"canonical\" href=\"%s\" />\n",Cfg_URL_SWAD_CGI);
/* Favicon */
HTM_TxtF ("<link type=\"image/x-icon\" href=\"%s/favicon.ico\" rel=\"icon\" />\n",
Cfg_URL_ICON_PUBLIC);
HTM_TxtF ("<link type=\"image/x-icon\" href=\"%s/favicon.ico\" rel=\"shortcut icon\" />\n",
Cfg_URL_ICON_PUBLIC);
/* Style sheet for SWAD */
HTM_TxtF ("<link rel=\"stylesheet\" href=\"%s/%s\" type=\"text/css\" />\n",
Cfg_URL_SWAD_PUBLIC,CSS_FILE);
/* Style sheets for Font Awesome */
HTM_TxtF ("<link rel=\"stylesheet\""
" href=\"%s/fontawesome/css/fontawesome.css\""
" type=\"text/css\" />\n",
Cfg_URL_SWAD_PUBLIC);
HTM_TxtF ("<link rel=\"stylesheet\""
" href=\"%s/fontawesome/css/solid.css\""
" type=\"text/css\" />\n",
Cfg_URL_SWAD_PUBLIC);
/* Style sheet for Dropzone.js (http://www.dropzonejs.com/) */
// The public directory dropzone must hold:
// dropzone.js
// css/dropzone.css
// images/spritemap@2x.png
// images/spritemap.png
switch (Gbl.Action.Act)
{
case ActFrmCreDocIns: // Brw_ADMI_DOC_INS
case ActFrmCreShaIns: // Brw_ADMI_SHR_INS
case ActFrmCreDocCtr: // Brw_ADMI_DOC_CTR
case ActFrmCreShaCtr: // Brw_ADMI_SHR_CTR
case ActFrmCreDocDeg: // Brw_ADMI_DOC_DEG
case ActFrmCreShaDeg: // Brw_ADMI_SHR_DEG
case ActFrmCreDocCrs: // Brw_ADMI_DOC_CRS
case ActFrmCreDocGrp: // Brw_ADMI_DOC_GRP
case ActFrmCreTchCrs: // Brw_ADMI_TCH_CRS
case ActFrmCreTchGrp: // Brw_ADMI_TCH_GRP
case ActFrmCreShaCrs: // Brw_ADMI_SHR_CRS
case ActFrmCreShaGrp: // Brw_ADMI_SHR_GRP
case ActFrmCreAsgUsr: // Brw_ADMI_ASG_USR
case ActFrmCreAsgCrs: // Brw_ADMI_ASG_CRS
case ActFrmCreWrkUsr: // Brw_ADMI_WRK_USR
case ActFrmCreWrkCrs: // Brw_ADMI_WRK_CRS
case ActFrmCreDocPrj: // Brw_ADMI_DOC_PRJ
case ActFrmCreAssPrj: // Brw_ADMI_ASS_PRJ
case ActFrmCreMrkCrs: // Brw_ADMI_MRK_CRS
case ActFrmCreMrkGrp: // Brw_ADMI_MRK_GRP
case ActFrmCreBrf: // Brw_ADMI_BRF_USR
HTM_TxtF ("<link rel=\"stylesheet\""
" href=\"%s/dropzone/css/dropzone.css\""
" type=\"text/css\" />\n",
Cfg_URL_SWAD_PUBLIC);
break;
default:
break;
}
/* Redirect to correct language */
if (Gbl.Usrs.Me.Logged && // I am logged
Gbl.Usrs.Me.UsrDat.Prefs.Language != Txt_Current_CGI_SWAD_Language) // My language != current language
{
if (Gbl.Action.Original == ActLogIn || // Regular log in
Gbl.Action.Original == ActLogInNew) // Log in when checking account
Lay_WriteRedirToMyLangOnLogIn ();
else if (Gbl.Action.Original == ActLogInUsrAgd) // Log in to view another user's public agenda
Lay_WriteRedirToMyLangOnViewUsrAgd ();
}
/* Write initial scripts depending on the action */
Lay_WriteScripts ();
HTM_Txt ("</head>\n");
/***** HTML body *****/
BrowserTab = Act_GetBrowserTab (Gbl.Action.Act);
switch (BrowserTab)
{
case Act_BRW_1ST_TAB:
HTM_Txt ("<body onload=\"init();\">\n");
HTM_DIV_Begin ("id=\"zoomLyr\" class=\"ZOOM\"");
HTM_IMG (Cfg_URL_ICON_PUBLIC,"usr_bl.jpg",NULL,
"class=\"IMG_USR\" id=\"zoomImg\"");
HTM_DIV_Begin ("id=\"zoomTxt\" class=\"CM\"");
HTM_DIV_End ();
HTM_DIV_End ();
break;
case Act_BRW_NEW_TAB:
case Act_BRW_2ND_TAB:
HTM_Txt ("<body onload=\"init();\">\n");
Gbl.Layout.WritingHTMLStart = false;
Gbl.Layout.HTMLStartWritten =
Gbl.Layout.DivsEndWritten = true;
return;
default:
HTM_Txt ("<body>\n");
Gbl.Layout.WritingHTMLStart = false;
Gbl.Layout.HTMLStartWritten =
Gbl.Layout.DivsEndWritten = true;
return;
}
/***** Begin box that contains the whole page except the foot *****/
HTM_DIV_Begin ("id=\"whole_page\"");
/***** Header of layout *****/
Lay_WritePageTopHeading ();
/***** 3rd. row (tabs) *****/
Tab_DrawTabs ();
/***** 4th row: main zone *****/
HTM_DIV_Begin ("id=\"main_zone\"");
/* Left column */
if (Gbl.Prefs.SideCols & Lay_SHOW_LEFT_COLUMN) // Left column visible
{
HTM_Txt ("<aside id=\"left_col\">");
Lay_ShowLeftColumn ();
HTM_Txt ("</aside>");
}
/* Right column */
// Right column is written before central column
// but it must be drawn at right using "position:absolute; right:0".
// The reason to write right column before central column
// is that central column may hold a lot of content drawn slowly.
if (Gbl.Prefs.SideCols & Lay_SHOW_RIGHT_COLUMN) // Right column visible
{
HTM_Txt ("<aside id=\"right_col\">");
Lay_ShowRightColumn ();
HTM_Txt ("</aside>");
}
/* Central (main) column */
switch (Gbl.Prefs.SideCols)
{
case 0:
HTM_DIV_Begin ("id=\"main_zone_central_none\"");
break;
case Lay_SHOW_LEFT_COLUMN:
HTM_DIV_Begin ("id=\"main_zone_central_left\"");
break;
case Lay_SHOW_RIGHT_COLUMN:
HTM_DIV_Begin ("id=\"main_zone_central_right\"");
break;
case (Lay_SHOW_LEFT_COLUMN | Lay_SHOW_RIGHT_COLUMN):
HTM_DIV_Begin ("id=\"main_zone_central_both\"");
break;
}
HTM_DIV_Begin ("id=\"main_zone_central_container\" class=\"%s\"",
The_TabOnBgColors[Gbl.Prefs.Theme]);
/* Layout with horizontal or vertical menu */
HTM_DIV_Begin ("id=\"%s\"",LayoutMainZone[Gbl.Prefs.Menu]);
/* Menu */
Mnu_WriteMenuThisTab ();
/* Start canvas: main zone for actions output */
HTM_MAIN_Begin ("MAIN_ZONE_CANVAS");
/* If it is mandatory to read any information about course */
if (Gbl.Crs.Info.ShowMsgMustBeRead)
Inf_WriteMsgYouMustReadInfo ();
/* Write title of the current action */
if (Gbl.Prefs.Menu == Mnu_MENU_VERTICAL &&
Act_GetIndexInMenu (Gbl.Action.Act) >= 0)
Lay_WriteTitleAction ();
Gbl.Layout.WritingHTMLStart = false;
Gbl.Layout.HTMLStartWritten = true;
/* Write message indicating number of clicks allowed before sending my photo */
Usr_InformAboutNumClicksBeforePhoto ();
}
/*****************************************************************************/
/*********************** Write status 204 No Content *************************/
/*****************************************************************************/
void Lay_WriteHTTPStatus204NoContent (void)
{
/***** The HTTP response is a code status *****/
/* Don't write HTML at all */
Gbl.Layout.HTMLStartWritten =
Gbl.Layout.DivsEndWritten =
Gbl.Layout.HTMLEndWritten = true;
/* Start HTTP response */
fprintf (stdout,"Content-type: text/plain; charset=windows-1252\n");
/* Return HTTP status code 204 No Content:
The server has successfully fulfilled the request
and there is no additional content to send
in the response payload body. */
fprintf (stdout,"Status: 204\r\n\r\n");
}
/*****************************************************************************/
/************************ Write the end of the page **************************/
/*****************************************************************************/
static void Lay_WriteEndOfPage (void)
{
if (!Gbl.Layout.DivsEndWritten)
{
/***** End of central part of main zone *****/
HTM_MAIN_End (); // Canvas (main zone to output content of the current action)
HTM_DIV_End (); // Layout with horizontal or vertical menu
HTM_DIV_End (); // main_zone_central_container
/***** Write page footer *****/
if (Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB)
Lay_WriteFootFromHTMLFile ();
/***** End of main zone and page *****/
HTM_DIV_End (); // main_zone_central
HTM_DIV_End (); // main_zone
HTM_DIV_End (); // whole_page_* (box that contains the whole page except the foot)
Gbl.Layout.DivsEndWritten = true;
}
}
/*****************************************************************************/
/************************* Write the title of the page ***********************/
/*****************************************************************************/
static void Lay_WritePageTitle (void)
{
extern const char *Txt_TAGLINE;
HTM_Txt ("<title>");
if (Gbl.Params.GetMethod && Gbl.Hierarchy.Deg.DegCod > 0)
{
HTM_TxtF ("%s &gt; %s",Cfg_PLATFORM_SHORT_NAME,Gbl.Hierarchy.Deg.ShrtName);
if (Gbl.Hierarchy.Level == Hie_CRS)
HTM_TxtF (" &gt; %s",Gbl.Hierarchy.Crs.ShrtName);
}
else
HTM_TxtF ("%s:&nbsp;%s",Cfg_PLATFORM_SHORT_NAME,Txt_TAGLINE);
HTM_Txt ("</title>\n");
}
/*****************************************************************************/
/************* Write script and meta to redirect to my language **************/
/*****************************************************************************/
static void Lay_WriteRedirToMyLangOnLogIn (void)
{
extern const char *Lan_STR_LANG_ID[1 + Lan_NUM_LANGUAGES];
HTM_TxtF ("<meta http-equiv=\"refresh\""
" content=\"0; url='%s/%s?act=%ld&amp;ses=%s'\">",
Cfg_URL_SWAD_CGI,
Lan_STR_LANG_ID[Gbl.Usrs.Me.UsrDat.Prefs.Language],
Act_GetActCod (ActLogInLan),
Gbl.Session.Id);
}
static void Lay_WriteRedirToMyLangOnViewUsrAgd (void)
{
extern const char *Lan_STR_LANG_ID[1 + Lan_NUM_LANGUAGES];
HTM_TxtF ("<meta http-equiv=\"refresh\""
" content=\"0; url='%s/%s?act=%ld&amp;ses=%s&amp;agd=@%s'\">",
Cfg_URL_SWAD_CGI,
Lan_STR_LANG_ID[Gbl.Usrs.Me.UsrDat.Prefs.Language],
Act_GetActCod (ActLogInUsrAgdLan),
Gbl.Session.Id,
Gbl.Usrs.Other.UsrDat.Nickname);
}
/*****************************************************************************/
/************ Write some scripts depending on the current action *************/
/*****************************************************************************/
static void Lay_WriteScripts (void)
{
extern const char *Txt_DAYS_CAPS[7];
extern const char *Txt_DAYS_SMALL[7];
extern const char *Txt_Exam_of_X;
unsigned DayOfWeek; /* 0, 1, 2, 3, 4, 5, 6 */
unsigned NumHld;
unsigned NumExamAnnouncement; // Number of exam announcement
/***** General scripts for swad *****/
HTM_SCRIPT_Begin (Cfg_URL_SWAD_PUBLIC "/" JS_FILE,NULL);
HTM_SCRIPT_End ();
/***** Script for MathJax *****/
Lay_WriteScriptMathJax ();
/***** Write script with init function executed after loading page *****/
Lay_WriteScriptInit ();
/***** Write script to set parameters needed by AJAX *****/
Lay_WriteScriptParamsAJAX ();
/***** Write script to initialize variables used to draw dates *****/
HTM_SCRIPT_Begin (NULL,NULL);
HTM_Txt ("\tvar DAYS = [");
for (DayOfWeek = 0;
DayOfWeek < 7;
DayOfWeek++)
{
if (DayOfWeek)
HTM_Comma ();
HTM_TxtF ("'%s'",Txt_DAYS_SMALL[DayOfWeek]);
}
HTM_Txt ("];\n");
HTM_SCRIPT_End ();
/***** Prepare script to draw months *****/
if ((Gbl.Prefs.SideCols & Lay_SHOW_LEFT_COLUMN) || // Left column visible
(Gbl.Hierarchy.Ins.InsCod > 0 && // Institution selected
(Gbl.Action.Act == ActSeeCal || // Viewing calendar
Gbl.Action.Act == ActPrnCal || // Printing calendar
Gbl.Action.Act == ActChgCal1stDay))) // Changing first day
{
/***** Get list of holidays *****/
if (!Gbl.Hlds.LstIsRead)
{
Gbl.Hlds.SelectedOrder = Hld_ORDER_BY_START_DATE;
Hld_GetListHolidays ();
}
/***** Create list of calls for examination *****/
Exa_CreateListDatesOfExamAnnouncements ();
/***** Write script to initialize variables used to draw months *****/
HTM_SCRIPT_Begin (NULL,NULL);
HTM_Txt ("\tvar DAYS_CAPS = [");
for (DayOfWeek = 0;
DayOfWeek < 7;
DayOfWeek++)
{
if (DayOfWeek)
HTM_Comma ();
HTM_TxtF ("'%c'",Txt_DAYS_CAPS[DayOfWeek][0]);
}
HTM_Txt ("];\n");
HTM_Txt ("\tvar STR_EXAM = '");
HTM_TxtF (Txt_Exam_of_X,Gbl.Hierarchy.Crs.FullName);
HTM_Txt ("';\n");
HTM_Txt ("\tvar Hlds = [];\n");
for (NumHld = 0;
NumHld < Gbl.Hlds.Num;
NumHld++)
HTM_TxtF ("\tHlds.push({ PlcCod: %ld, HldTyp: %u, StartDate: %s, EndDate: %s, Name: '%s' });\n",
Gbl.Hlds.Lst[NumHld].PlcCod,
(unsigned) Gbl.Hlds.Lst[NumHld].HldTyp,
Gbl.Hlds.Lst[NumHld].StartDate.YYYYMMDD,
Gbl.Hlds.Lst[NumHld].EndDate.YYYYMMDD,
Gbl.Hlds.Lst[NumHld].Name);
HTM_TxtF ("\tvar LstExamAnnouncements = [];\n");
for (NumExamAnnouncement = 0;
NumExamAnnouncement < Gbl.ExamAnns.NumExaAnns;
NumExamAnnouncement++)
HTM_TxtF ("LstExamAnnouncements.push({ ExaCod: %ld, Year: %u, Month: %u, Day: %u });\n",
Gbl.ExamAnns.Lst[NumExamAnnouncement].ExaCod,
Gbl.ExamAnns.Lst[NumExamAnnouncement].ExamDate.Year,
Gbl.ExamAnns.Lst[NumExamAnnouncement].ExamDate.Month,
Gbl.ExamAnns.Lst[NumExamAnnouncement].ExamDate.Day);
HTM_SCRIPT_End ();
/***** Free list of dates of exam announcements *****/
Exa_FreeListExamAnnouncements ();
}
/***** Scripts depending on action *****/
switch (Gbl.Action.Act)
{
/***** Script to print world map *****/
case ActSeeCty:
Cty_WriteScriptGoogleGeochart ();
break;
/***** Script for uploading files using Dropzone.js (http://www.dropzonejs.com/) *****/
// The public directory dropzone must hold:
// dropzone.js
// css/dropzone.css
// images/spritemap@2x.png
// images/spritemap.png
case ActFrmCreDocIns: // Brw_ADMI_DOC_INS
case ActFrmCreShaIns: // Brw_ADMI_SHR_INS
case ActFrmCreDocCtr: // Brw_ADMI_DOC_CTR
case ActFrmCreShaCtr: // Brw_ADMI_SHR_CTR
case ActFrmCreDocDeg: // Brw_ADMI_DOC_DEG
case ActFrmCreShaDeg: // Brw_ADMI_SHR_DEG
case ActFrmCreDocCrs: // Brw_ADMI_DOC_CRS
case ActFrmCreDocGrp: // Brw_ADMI_DOC_GRP
case ActFrmCreTchCrs: // Brw_ADMI_TCH_CRS
case ActFrmCreTchGrp: // Brw_ADMI_TCH_GRP
case ActFrmCreShaCrs: // Brw_ADMI_SHR_CRS
case ActFrmCreShaGrp: // Brw_ADMI_SHR_GRP
case ActFrmCreAsgUsr: // Brw_ADMI_ASG_USR
case ActFrmCreAsgCrs: // Brw_ADMI_ASG_CRS
case ActFrmCreWrkUsr: // Brw_ADMI_WRK_USR
case ActFrmCreWrkCrs: // Brw_ADMI_WRK_CRS
case ActFrmCreDocPrj: // Brw_ADMI_DOC_PRJ
case ActFrmCreAssPrj: // Brw_ADMI_ASS_PRJ
case ActFrmCreMrkCrs: // Brw_ADMI_MRK_CRS
case ActFrmCreMrkGrp: // Brw_ADMI_MRK_GRP
case ActFrmCreBrf: // Brw_ADMI_BRF_USR
// Use charset="windows-1252" to force error messages in windows-1252 (default is UTF-8)
HTM_SCRIPT_Begin (Cfg_URL_SWAD_PUBLIC "/dropzone/dropzone.js","windows-1252");
HTM_SCRIPT_End ();
Lay_WriteScriptCustomDropzone ();
break;
case ActReqAccGbl:
case ActSeeAccGbl:
case ActReqAccCrs:
case ActSeeAccCrs:
case ActSeeAllStaCrs:
HTM_SCRIPT_Begin (Cfg_URL_SWAD_PUBLIC "/jstz/jstz.js",NULL);
HTM_SCRIPT_End ();
break;
default:
break;
}
/***** Script for Google Analytics *****/
HTM_Txt (Cfg_GOOGLE_ANALYTICS);
}
// Change page title
//function changeTitle(title) {
// document.title = title;
//}
/*****************************************************************************/
/************ Write some scripts depending on the current action *************/
/*****************************************************************************/
static void Lay_WriteScriptMathJax (void)
{
// MathJax configuration
/*
HTM_SCRIPT_Begin (NULL,NULL);
fprintf (Gbl.F.Out," window.MathJax = {"
" tex2jax: {"
" inlineMath: [ ['$','$'], [\"\\\\(\",\"\\\\)\"] ],"
" processEscapes: true"
" }"
" };");
HTM_SCRIPT_End ();
*/
#ifdef Cfg_MATHJAX_LOCAL
// Use the local copy of MathJax
HTM_SCRIPT_Begin (Cfg_URL_SWAD_PUBLIC "/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML",NULL);
#else
// Use the MathJax Content Delivery Network (CDN)
HTM_SCRIPT_Begin ("//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML",NULL);
#endif
HTM_SCRIPT_End ();
}
/*****************************************************************************/
/******* Write script with init function executed after loading page *********/
/*****************************************************************************/
static void Lay_WriteScriptInit (void)
{
extern const char *Lan_STR_LANG_ID[1 + Lan_NUM_LANGUAGES];
bool RefreshConnected;
bool RefreshNewTimeline = false;
bool RefreshMatchStd = false;
bool RefreshMatchTch = false;
bool RefreshLastClicks = false;
RefreshConnected = Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB &&
(Gbl.Prefs.SideCols & Lay_SHOW_RIGHT_COLUMN); // Right column visible
switch (Gbl.Action.Act)
{
case ActSeeSocTmlGbl:
case ActRcvSocPstGbl:
case ActRcvSocComGbl:
case ActReqRemSocPubGbl:
case ActRemSocPubGbl:
case ActReqRemSocComGbl:
case ActRemSocComGbl:
RefreshNewTimeline = true;
break;
case ActJoiMch:
case ActAnsMchQstStd:
RefreshMatchStd = true;
break;
case ActNewMch:
case ActResMch:
case ActBckMch:
case ActPlyPauMch:
case ActFwdMch:
case ActChgNumColMch:
case ActChgVisResMchQst:
RefreshMatchTch = true;
break;
case ActLstClk:
RefreshLastClicks = true;
break;
default:
break;
}
HTM_SCRIPT_Begin (NULL,NULL);
Dat_WriteScriptMonths ();
if (RefreshNewTimeline) // Refresh new timeline via AJAX
HTM_TxtF ("\tvar delayNewTL = %lu;\n",Cfg_TIME_TO_REFRESH_TIMELINE);
else if (RefreshMatchStd) // Refresh match via AJAX
HTM_TxtF ("\tvar delayMatch = %lu;\n",Cfg_TIME_TO_REFRESH_MATCH_STD);
else if (RefreshMatchTch) // Refresh match via AJAX
HTM_TxtF ("\tvar delayMatch = %lu;\n",Cfg_TIME_TO_REFRESH_MATCH_TCH);
/***** Function init () ******/
HTM_Txt ("function init(){\n");
HTM_TxtF ("\tActionAJAX = \"%s\";\n",Lan_STR_LANG_ID[Gbl.Prefs.Language]);
if (RefreshConnected) // Refresh connected users via AJAX
{
Con_WriteScriptClockConnected ();
HTM_TxtF ("\tsetTimeout(\"refreshConnected()\",%lu);\n",
Gbl.Usrs.Connected.TimeToRefreshInMs);
}
if (RefreshLastClicks) // Refresh last clicks via AJAX
HTM_TxtF ("\tsetTimeout(\"refreshLastClicks()\",%lu);\n",
Cfg_TIME_TO_REFRESH_LAST_CLICKS);
else if (RefreshMatchStd) // Refresh match for a student via AJAX
HTM_Txt ("\tsetTimeout(\"refreshMatchStd()\",delayMatch);\n");
else if (RefreshMatchTch) // Refresh match for a teacher via AJAX
HTM_Txt ("\tsetTimeout(\"refreshMatchTch()\",delayMatch);\n");
else if (RefreshNewTimeline) // Refresh timeline via AJAX
HTM_Txt ("\tsetTimeout(\"refreshNewTL()\",delayNewTL);\n");
HTM_Txt ("}\n");
HTM_SCRIPT_End ();
}
/*****************************************************************************/
/************** Write script to set parameters needed by AJAX ****************/
/*****************************************************************************/
static void Lay_WriteScriptParamsAJAX (void)
{
/***** Start script *****/
HTM_SCRIPT_Begin (NULL,NULL);
/***** Parameters with code of session and current course code *****/
// Refresh parameters
HTM_TxtF ("var RefreshParamIdSes = \"ses=%s\";\n"
"var RefreshParamCrsCod = \"crs=%ld\";\n",
Gbl.Session.Id,
Gbl.Hierarchy.Crs.CrsCod);
/***** Parameter to refresh connected users *****/
if (Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB)
// Refresh parameter
HTM_TxtF ("var RefreshParamNxtActCon = \"act=%ld\";\n",
Act_GetActCod (ActRefCon));
/***** Parameters related with expanding/contracting folders in file browsers *****/
if (Gbl.FileBrowser.Type != Brw_UNKNOWN)
/* In all the actions related to file browsers ==>
put parameters used by AJAX */
// Refresh parameters
HTM_TxtF ("var RefreshParamExpand = \"act=%ld\";\n"
"var RefreshParamContract = \"act=%ld\";\n",
Act_GetActCod (Brw_GetActionExpand ()),
Act_GetActCod (Brw_GetActionContract ()));
/***** Parameters related with other actions *****/
switch (Gbl.Action.Act)
{
/* Parameters related with global timeline refreshing */
case ActSeeSocTmlGbl:
case ActRcvSocPstGbl:
case ActRcvSocComGbl:
case ActReqRemSocPubGbl:
case ActRemSocPubGbl:
case ActReqRemSocComGbl:
case ActRemSocComGbl:
/* In all the actions related to view or editing global timeline ==>
put parameters used by AJAX */
// Refresh parameters
HTM_TxtF ("var RefreshParamNxtActNewPub = \"act=%ld\";\n"
"var RefreshParamNxtActOldPub = \"act=%ld\";\n"
"var RefreshParamWho = \"Who=%u\";\n",
Act_GetActCod (ActRefNewSocPubGbl),
Act_GetActCod (ActRefOldSocPubGbl),
(unsigned) Gbl.Timeline.Who);
break;
/* Parameters related with user timeline refreshing */
case ActSeeOthPubPrf:
case ActRcvSocPstUsr:
case ActRcvSocComUsr:
case ActReqRemSocPubUsr:
case ActRemSocPubUsr:
case ActReqRemSocComUsr:
case ActRemSocComUsr:
/* In all the actions related to view or editing user's timeline ==>
put parameters used by AJAX */
if (Gbl.Usrs.Other.UsrDat.UsrCod <= 0)
Usr_GetParamOtherUsrCodEncryptedAndGetListIDs ();
if (!Gbl.Usrs.Other.UsrDat.Nickname[0])
Nck_GetNicknameFromUsrCod (Gbl.Usrs.Other.UsrDat.UsrCod,
Gbl.Usrs.Other.UsrDat.Nickname);
// Refresh parameters
HTM_TxtF ("var RefreshParamNxtActOldPub = \"act=%ld\";\n"
"var RefreshParamUsr = \"OtherUsrCod=%s\";\n",
Act_GetActCod (ActRefOldSocPubUsr),
Gbl.Usrs.Other.UsrDat.EncryptedUsrCod);
break;
/* Parameters related with match refreshing (for students) */
case ActJoiMch:
case ActAnsMchQstStd:
// Refresh parameters
HTM_TxtF ("var RefreshParamNxtActMch = \"act=%ld\";\n"
"var RefreshParamMchCod = \"MchCod=%ld\";\n",
Act_GetActCod (ActRefMchStd),
Gbl.Games.MchCodBeingPlayed);
break;
/* Parameters related with match refreshing (for teachers) */
case ActNewMch:
case ActResMch:
case ActBckMch:
case ActPlyPauMch:
case ActFwdMch:
case ActChgNumColMch:
case ActChgVisResMchQst:
// Handle keys in keyboard/presenter
HTM_Txt ("document.addEventListener(\"keydown\",handleMatchKeys);\n");
// Refresh parameters
HTM_TxtF ("var RefreshParamNxtActMch = \"act=%ld\";\n"
"var RefreshParamMchCod = \"MchCod=%ld\";\n",
Act_GetActCod (ActRefMchTch),
Gbl.Games.MchCodBeingPlayed);
break;
/* Parameter related with clicks refreshing */
case ActLstClk:
// Refresh parameter
HTM_TxtF ("var RefreshParamNxtActLstClk = \"act=%ld\";\n",
Act_GetActCod (ActRefLstClk));
break;
default:
break;
}
/***** End script *****/
HTM_SCRIPT_End ();
}
/*****************************************************************************/
/******* Write script to customize upload of files using Dropzone.js *********/
/*****************************************************************************/
// More info: http://www.dropzonejs.com/
static void Lay_WriteScriptCustomDropzone (void)
{
// "myAwesomeDropzone" is the camelized version of the HTML element's ID
// Add a line "forceFallback: true,\n" to test classic upload
HTM_SCRIPT_Begin (NULL,NULL);
HTM_TxtF ("Dropzone.options.myAwesomeDropzone = {\n"
"maxFiles: 100,\n"
"parallelUploads: 100,\n"
"maxFilesize: %lu,\n"
"fallback: function() {\n"
"document.getElementById('dropzone-upload').style.display='none';\n"
"document.getElementById('classic-upload').style.display='block';\n"
"}\n"
"};\n",
(unsigned long) (Fil_MAX_FILE_SIZE / (1024ULL * 1024ULL) - 1));
HTM_SCRIPT_End ();
}
/*****************************************************************************/
/************************ Write top heading of the page **********************/
/*****************************************************************************/
static void Lay_WritePageTopHeading (void)
{
extern const char *The_ClassTagline[The_NUM_THEMES];
extern const char *Txt_TAGLINE;
extern const char *Txt_TAGLINE_BR;
static const char *ClassHeadRow1[The_NUM_THEMES] =
{
[The_THEME_WHITE ] = "HEAD_ROW_1_WHITE",
[The_THEME_GREY ] = "HEAD_ROW_1_GREY",
[The_THEME_PURPLE] = "HEAD_ROW_1_PURPLE",
[The_THEME_BLUE ] = "HEAD_ROW_1_BLUE",
[The_THEME_YELLOW] = "HEAD_ROW_1_YELLOW",
[The_THEME_PINK ] = "HEAD_ROW_1_PINK",
};
static const char *ClassHeadRow2[The_NUM_THEMES] =
{
[The_THEME_WHITE ] = "HEAD_ROW_2_WHITE",
[The_THEME_GREY ] = "HEAD_ROW_2_GREY",
[The_THEME_PURPLE] = "HEAD_ROW_2_PURPLE",
[The_THEME_BLUE ] = "HEAD_ROW_2_BLUE",
[The_THEME_YELLOW] = "HEAD_ROW_2_YELLOW",
[The_THEME_PINK ] = "HEAD_ROW_2_PINK",
};
/***** Start header *****/
HTM_Txt ("<header>");
/***** 1st. row *****/
/* Start 1st. row */
HTM_DIV_Begin ("id=\"head_row_1\" class=\"%s\"",ClassHeadRow1[Gbl.Prefs.Theme]);
/* 1st. row, 1st. column: logo, tagline and search */
HTM_DIV_Begin ("id=\"head_row_1_left\"");
/* Begin form to go to home page */
Frm_StartFormGoTo (ActMnu);
Par_PutHiddenParamUnsigned (NULL,"NxtTab",(unsigned) TabSys);
HTM_DIV_Begin ("id=\"head_row_1_logo_small\"");
HTM_INPUT_IMAGE (Cfg_URL_ICON_PUBLIC,Cfg_PLATFORM_LOGO_SMALL_FILENAME,
Cfg_PLATFORM_SHORT_NAME,Cfg_PLATFORM_LOGO_SMALL_CLASS);
HTM_DIV_End (); // head_row_1_logo_small
HTM_DIV_Begin ("id=\"head_row_1_logo_big\"");
HTM_INPUT_IMAGE (Cfg_URL_ICON_PUBLIC,Cfg_PLATFORM_LOGO_BIG_FILENAME,
Cfg_PLATFORM_SHORT_NAME,Cfg_PLATFORM_LOGO_BIG_CLASS);
HTM_DIV_End (); // head_row_1_logo_big
HTM_DIV_Begin ("id=\"head_row_1_tagline\"");
HTM_BUTTON_SUBMIT_Begin (Txt_TAGLINE,The_ClassTagline[Gbl.Prefs.Theme],NULL);
HTM_Txt (Txt_TAGLINE_BR);
HTM_BUTTON_End ();
HTM_DIV_End (); // head_row_1_tagline
/* End form to go to home page */
Frm_EndForm ();
Sch_PutFormToSearchInPageTopHeading ();
HTM_DIV_End (); // head_row_1_left
/* 1st. row, 3rd. column: logged user or language selection,
and link to open/close session */
HTM_DIV_Begin ("id=\"head_row_1_right\"");
if (Gbl.Usrs.Me.Logged)
Usr_WriteLoggedUsrHead ();
else
Lan_PutSelectorToSelectLanguage ();
HTM_DIV_Begin ("id=\"login_box\"");
if (Gbl.Usrs.Me.Logged)
Usr_PutFormLogOut ();
else
Usr_PutFormLogIn ();
HTM_DIV_End (); // login_box
HTM_DIV_End (); // head_row_1_right
/* End 1st. row */
HTM_DIV_End (); // head_row_1
/***** 2nd. row *****/
/* Start second row */
HTM_DIV_Begin ("id=\"head_row_2\" class=\"%s\"",ClassHeadRow2[Gbl.Prefs.Theme]);
/* 2nd. row, 1st. column
Clock with hour:minute (server hour is shown) */
HTM_DIV_Begin ("id=\"head_row_2_time\"");
Dat_ShowClientLocalTime ();
HTM_DIV_End (); // End first column
/* 2nd. row, 2nd. column: degree and course */
HTM_DIV_Begin ("id=\"head_row_2_hierarchy\"");
Lay_WriteBreadcrumb ();
Hie_WriteBigNameCtyInsCtrDegCrs ();
HTM_DIV_End ();
/* 2nd. row, 3rd. column */
HTM_DIV_Begin ("id=\"msg\""); // Used for AJAX based refresh
if (Gbl.Usrs.Me.Logged)
Ntf_WriteNumberOfNewNtfs ();
HTM_DIV_End (); // Used for AJAX based refresh
/* End 2nd. row */
HTM_DIV_End ();
/***** End header *****/
HTM_Txt ("</header>");
}
/*****************************************************************************/
/*********** Write breadcrumb with the path to the current location **********/
/*****************************************************************************/
static void Lay_WriteBreadcrumb (void)
{
HTM_Txt ("<nav id=\"breadcrumb\">");
Crs_PutIconToSelectMyCoursesInBreadcrumb ();
Hie_WriteHierarchyInBreadcrumb ();
Crs_WriteSelectorMyCoursesInBreadcrumb ();
HTM_Txt ("</nav>");
}
/*****************************************************************************/
/*********** Write icon and title associated to the current action ***********/
/*****************************************************************************/
static void Lay_WriteTitleAction (void)
{
extern const char *The_ClassTitleAction[The_NUM_THEMES];
extern const char *The_ClassSubtitleAction[The_NUM_THEMES];
extern const char *Txt_TABS_TXT[Tab_NUM_TABS];
/***** Container start *****/
HTM_DIV_Begin ("id=\"action_title\" style=\"background-image:url('%s/%s');\"",
Gbl.Prefs.URLIconSet,
Act_GetIcon (Act_GetSuperAction (Gbl.Action.Act)));
/***** Title *****/
HTM_DIV_Begin ("class=\"%s\"",The_ClassTitleAction[Gbl.Prefs.Theme]);
HTM_TxtF ("%s &gt; %s",Txt_TABS_TXT[Act_GetTab (Gbl.Action.Act)],
Act_GetTitleAction (Gbl.Action.Act));
HTM_DIV_End ();
/***** Subtitle *****/
HTM_DIV_Begin ("class=\"%s\"",The_ClassSubtitleAction[Gbl.Prefs.Theme]);
HTM_Txt (Act_GetSubtitleAction (Gbl.Action.Act));
HTM_DIV_End ();
/***** Container end *****/
HTM_DIV_End ();
}
/*****************************************************************************/
/***************************** Show left column ******************************/
/*****************************************************************************/
static void Lay_ShowLeftColumn (void)
{
struct MFU_ListMFUActions ListMFUActions;
HTM_DIV_Begin ("style=\"width:160px;\"");
HTM_DIV_Begin ("class=\"LEFT_RIGHT_CELL\"");
if (Gbl.Usrs.Me.Logged)
{
/***** Most frequently used actions *****/
MFU_AllocateMFUActions (&ListMFUActions,6);
MFU_GetMFUActions (&ListMFUActions,6);
MFU_WriteSmallMFUActions (&ListMFUActions);
MFU_FreeMFUActions (&ListMFUActions);
}
else
/***** Institutional links *****/
Lnk_WriteMenuWithInstitutionalLinks ();
HTM_DIV_End ();
/***** Month *****/
HTM_DIV_Begin ("class=\"LEFT_RIGHT_CELL\"");
Cal_DrawCurrentMonth ();
HTM_DIV_End ();
/***** Notices (yellow notes) *****/
if (Gbl.Hierarchy.Level == Hie_CRS)
{
HTM_DIV_Begin ("class=\"LEFT_RIGHT_CELL\"");
Not_ShowNotices (Not_LIST_BRIEF_NOTICES,
-1L); // No notice highlighted
HTM_DIV_End ();
}
HTM_DIV_End ();
}
/*****************************************************************************/
/**************************** Show right column ******************************/
/*****************************************************************************/
static void Lay_ShowRightColumn (void)
{
extern const char *Txt_If_you_have_an_Android_device_try_SWADroid;
// struct timeval tv1,tv2;
// long tv_usecs;
/***** Banners *****/
Ban_WriteMenuWithBanners ();
/***** Number of connected users in the whole platform *****/
if (Gbl.Usrs.Me.Role.Logged == Rol_SYS_ADM)
{
HTM_DIV_Begin ("id=\"globalconnected\" class=\"LEFT_RIGHT_CELL\""); // Used for AJAX based refresh
Con_ShowGlobalConnectedUsrs ();
HTM_DIV_End (); // Used for AJAX based refresh
}
/***** Number of connected users in the current course *****/
if (Gbl.Hierarchy.Level == Hie_CRS) // There is a course selected
{
HTM_DIV_Begin ("id=\"courseconnected\" class=\"LEFT_RIGHT_CELL\""); // Used for AJAX based refresh
Gbl.Scope.Current = Hie_CRS;
Con_ShowConnectedUsrsBelongingToCurrentCrs ();
HTM_DIV_End (); // Used for AJAX based refresh
}
else if (Gbl.Usrs.Me.Logged) // I am logged
{
/*
gettimeofday (&tv1,NULL);
*/
/***** Suggest one user to follow *****/
HTM_DIV_Begin ("class=\"LEFT_RIGHT_CELL\"");
Fol_SuggestUsrsToFollowMainZoneOnRightColumn ();
/*
gettimeofday (&tv2,NULL);
tv_usecs = (tv2.tv_sec - tv1.tv_sec ) * 1E6 +
(tv2.tv_usec - tv1.tv_usec);
DB_QueryINSERT ("can not debug",
"INSERT INTO debug"
" (DebugTime,Txt)"
" VALUES"
" (NOW(),'Fol_SuggestUsrsToFollowMainZoneOnRightColumn: %ld us')",
tv_usecs);
*/
HTM_DIV_End ();
}
if (!Gbl.Usrs.Me.Logged)
{
/***** SWADroid advertisement *****/
HTM_DIV_Begin ("class=\"LEFT_RIGHT_CELL\"");
HTM_A_Begin ("href=\"https://play.google.com/store/apps/details?id=es.ugr.swad.swadroid\""
" target=\"_blank\" title=\"%s\"",
Txt_If_you_have_an_Android_device_try_SWADroid);
HTM_IMG (Cfg_URL_ICON_PUBLIC,"SWADroid120x200.png","SWADroid",
"style=\"width:150px; height:250px;\"");
HTM_A_End ();
HTM_DIV_End ();
}
}
/*****************************************************************************/
/**************** Show an icon with a link in contextual menu ****************/
/*****************************************************************************/
void Lay_PutContextualLinkOnlyIcon (Act_Action_t NextAction,const char *Anchor,
void (*FuncParams) (void),
const char *Icon,
const char *Title)
{
/***** Begin form *****/
Frm_StartFormAnchor (NextAction,Anchor);
if (FuncParams)
FuncParams ();
/***** Put icon with link *****/
Ico_PutIconLink (Icon,Title);
/***** End form *****/
Frm_EndForm ();
}
/*****************************************************************************/
/**************** Show an icon with a link in contextual menu ****************/
/*****************************************************************************/
void Lay_PutContextualLinkIconText (Act_Action_t NextAction,const char *Anchor,
void (*FuncParams) (void),
const char *Icon,
const char *Text)
{
extern const char *The_ClassFormLinkOutBoxBold[The_NUM_THEMES];
/***** Separator *****/
HTM_Txt (" "); // This space is necessary to enable
// jumping to the next line on narrow screens
/***** Begin form *****/
Frm_StartFormAnchor (NextAction,Anchor);
if (FuncParams)
FuncParams ();
/***** Put icon and text with link *****/
HTM_BUTTON_SUBMIT_Begin (Text,The_ClassFormLinkOutBoxBold[Gbl.Prefs.Theme],NULL);
Ico_PutIconTextLink (Icon,Text);
HTM_BUTTON_End ();
/***** End form *****/
Frm_EndForm ();
/***** Separator *****/
HTM_Txt (" "); // This space is necessary to enable
// jumping to the next line on narrow screens
}
/*****************************************************************************/
/**************** Show an icon with a link in contextual menu ****************/
/*****************************************************************************/
void Lay_PutContextualLinkIconTextOnSubmit (Act_Action_t NextAction,const char *Anchor,
void (*FuncParams) (void),
const char *Icon,
const char *Text,
const char *OnSubmit)
{
extern const char *The_ClassFormLinkOutBoxBold[The_NUM_THEMES];
/***** Separator *****/
HTM_Txt (" "); // This space is necessary to enable
// jumping to the next line on narrow screens
/***** Begin form *****/
Frm_StartFormAnchor (NextAction,Anchor);
if (FuncParams)
FuncParams ();
/***** Put icon with link *****/
HTM_BUTTON_SUBMIT_Begin (Text,The_ClassFormLinkOutBoxBold[Gbl.Prefs.Theme],OnSubmit);
Ico_PutIconTextLink (Icon,Text);
HTM_BUTTON_End ();
/***** End form *****/
Frm_EndForm ();
/***** Separator *****/
HTM_Txt (" "); // This space is necessary to enable
// jumping to the next line on narrow screens
}
/*****************************************************************************/
/******************** Show a checkbox in contextual menu *********************/
/*****************************************************************************/
void Lay_PutContextualCheckbox (Act_Action_t NextAction,
void (*FuncParams) (void),
const char *CheckboxName,
bool Checked,bool Disabled,
const char *Title,const char *Text)
{
extern const char *The_ClassFormOutBoxBold[The_NUM_THEMES];
/***** Separator *****/
if (Text)
HTM_Txt (" "); // This space is necessary to enable
// jumping to the next line on narrow screens
/***** Begin form *****/
Frm_StartForm (NextAction);
if (FuncParams)
FuncParams ();
/***** Start container and label *****/
HTM_DIV_Begin ("class=\"CONTEXT_OPT %s %s\" title=\"%s\"",
Checked ? "CHECKBOX_CHECKED" :
"CHECKBOX_UNCHECKED",
The_ClassFormOutBoxBold[Gbl.Prefs.Theme],
Title);
HTM_LABEL_Begin (NULL);
/****** Checkbox *****/
HTM_INPUT_CHECKBOX (CheckboxName,true,
"value=\"Y\"%s%s",
Checked ? " checked=\"checked\"" : "",
Disabled ? " disabled=\"disabled\"" : "");
/***** Text *****/
if (Text)
if (Text[0])
HTM_TxtF ("&nbsp;%s",Text);
/***** End label and container *****/
HTM_LABEL_End ();
HTM_DIV_End ();
/***** End form *****/
Frm_EndForm ();
/***** Separator *****/
if (Text)
HTM_Txt (" "); // This space is necessary to enable
// jumping to the next line on narrow screens
}
/*****************************************************************************/
/********** Write error message and exit when not enough memory **************/
/*****************************************************************************/
void Lay_NotEnoughMemoryExit (void)
{
Lay_ShowErrorAndExit ("Not enough memory.");
}
/*****************************************************************************/
/************* Write error message and exit when wrong scope *****************/
/*****************************************************************************/
void Lay_WrongScopeExit (void)
{
Lay_ShowErrorAndExit ("Wrong scope.");
}
/*****************************************************************************/
/******* Write error message, close files, remove lock file, and exit ********/
/*****************************************************************************/
void Lay_ShowErrorAndExit (const char *Txt)
{
/***** Unlock tables if locked *****/
if (Gbl.DB.LockedTables)
{
Gbl.DB.LockedTables = false;
mysql_query (&Gbl.mysql,"UNLOCK TABLES");
}
if (!Gbl.WebService.IsWebService)
{
/****** If start of page is not written yet, do it now ******/
if (!Gbl.Layout.HTMLStartWritten)
Lay_WriteStartOfPage ();
/***** Write possible error message *****/
if (Txt)
Ale_ShowAlert (Ale_ERROR,Txt);
/***** Finish the page, except </body> and </html> *****/
Lay_WriteEndOfPage ();
}
/***** Free memory and close all the open files *****/
Gbl_Cleanup ();
/***** Page is generated (except </body> and </html>).
Compute time to generate page *****/
if (!Gbl.Action.IsAJAXAutoRefresh)
Sta_ComputeTimeToGeneratePage ();
if (Gbl.WebService.IsWebService) // Serving a plugin request
{
/***** Log access *****/
Gbl.TimeSendInMicroseconds = 0L;
Sta_LogAccess (Txt);
}
else
{
/***** Send page.
The HTML output is now in Gbl.F.Out file ==>
==> copy it to standard output *****/
rewind (Gbl.F.Out);
Fil_FastCopyOfOpenFiles (Gbl.F.Out,stdout);
Fil_CloseAndRemoveFileForHTMLOutput ();
if (!Gbl.Action.IsAJAXAutoRefresh)
{
/***** Compute time to send page *****/
Sta_ComputeTimeToSendPage ();
/***** Log access *****/
Sta_LogAccess (Txt);
/***** Update last data for next time *****/
if (Gbl.Usrs.Me.Logged)
{
Usr_UpdateMyLastData ();
Crs_UpdateCrsLast ();
}
/***** End the output *****/
if (!Gbl.Layout.HTMLEndWritten)
{
// Here Gbl.F.Out is stdout
if (Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB)
Lay_WriteAboutZone ();
HTM_Txt ("</body>\n"
"</html>\n");
Gbl.Layout.HTMLEndWritten = true;
}
}
}
/***** Close database connection *****/
DB_CloseDBConnection ();
/***** Exit *****/
if (Gbl.WebService.IsWebService)
API_Exit (Txt);
exit (0);
}
/*****************************************************************************/
/***************** Write about zone at the end of the page *******************/
/*****************************************************************************/
static void Lay_WriteAboutZone (void)
{
extern const char *Txt_About_X;
extern const char *Txt_Questions_and_problems;
unsigned i;
/***** Start about zone *****/
HTM_Txt ("<address id=\"about_zone\" class=\"ABOUT\">");
/***** Institution and centre hosting the platform *****/
HTM_A_Begin ("href=\"%s\" class=\"ABOUT\" target=\"_blank\"",Cfg_ABOUT_URL);
HTM_IMG (Cfg_URL_ICON_PUBLIC,Cfg_ABOUT_LOGO,Cfg_ABOUT_NAME,
"style=\"width:%upx; height:%upx;\"",
Cfg_ABOUT_LOGO_WIDTH,Cfg_ABOUT_LOGO_HEIGHT);
HTM_DIV_Begin (NULL);
HTM_Txt (Cfg_ABOUT_NAME);
HTM_DIV_End ();
HTM_A_End ();
/***** Questions and problems *****/
HTM_DIV_Begin (NULL);
HTM_TxtF ("%s:&nbsp;",Txt_Questions_and_problems);
HTM_A_Begin ("href=\"mailto:%s\" class=\"ABOUT\" target=\"_blank\"",
Cfg_PLATFORM_RESPONSIBLE_EMAIL);
HTM_Txt (Cfg_PLATFORM_RESPONSIBLE_EMAIL);
HTM_A_End ();
HTM_DIV_End ();
/***** About and time to generate and send page *****/
HTM_DIV_Begin (NULL);
/* About */
HTM_A_Begin ("href=\"%s\" class=\"ABOUT\" target=\"_blank\"",Cfg_ABOUT_SWAD_URL);
HTM_TxtF (Txt_About_X,Log_PLATFORM_VERSION);
HTM_A_End ();
for (i = 0;
i < 5;
i++)
HTM_NBSP ();
/* Time to generate and send page */
Sta_WriteTimeToGenerateAndSendPage ();
HTM_DIV_End ();
/***** End about zone *****/
HTM_Txt ("</address>"); // about_zone
}
/*****************************************************************************/
/*********** Refresh notifications and connected users via AJAX **************/
/*****************************************************************************/
void Lay_RefreshNotifsAndConnected (void)
{
unsigned NumUsr;
bool ShowConnected = (Gbl.Prefs.SideCols & Lay_SHOW_RIGHT_COLUMN) &&
Gbl.Hierarchy.Level == Hie_CRS; // Right column visible && There is a course selected
/***** Sometimes, someone must do this work,
so who best than processes that refresh via AJAX? *****/
// We use (PID % prime-number) to do only one action as much
if (!(Gbl.PID % 11))
Ntf_SendPendingNotifByEMailToAllUsrs (); // Send pending notifications by email
else if (!(Gbl.PID % 19))
FW_PurgeFirewall (); // Remove old clicks from firewall
else if (!(Gbl.PID % 23))
Fil_RemoveOldTmpFiles (Cfg_PATH_FILE_BROWSER_TMP_PUBLIC ,Cfg_TIME_TO_DELETE_BROWSER_TMP_FILES ,false); // Remove the oldest temporary public directories used for downloading
else if (!(Gbl.PID % 101))
Brw_RemoveExpiredExpandedFolders (); // Remove old expanded folders (from all users)
else if (!(Gbl.PID % 103))
Set_RemoveOldSettingsFromIP (); // Remove old settings from IP
else if (!(Gbl.PID % 107))
Sta_RemoveOldEntriesRecentLog (); // Remove old entries in recent log table, it's a slow query
else if (!(Gbl.PID % 109))
Fil_RemoveOldTmpFiles (Cfg_PATH_OUT_PRIVATE ,Cfg_TIME_TO_DELETE_HTML_OUTPUT ,false);
else if (!(Gbl.PID % 113))
Fil_RemoveOldTmpFiles (Cfg_PATH_PHOTO_TMP_PUBLIC ,Cfg_TIME_TO_DELETE_PHOTOS_TMP_FILES ,false);
else if (!(Gbl.PID % 127))
Fil_RemoveOldTmpFiles (Cfg_PATH_PHOTO_TMP_PRIVATE ,Cfg_TIME_TO_DELETE_PHOTOS_TMP_FILES ,false);
else if (!(Gbl.PID % 131))
Fil_RemoveOldTmpFiles (Cfg_PATH_MEDIA_TMP_PRIVATE ,Cfg_TIME_TO_DELETE_MEDIA_TMP_FILES ,false);
else if (!(Gbl.PID % 137))
Fil_RemoveOldTmpFiles (Cfg_PATH_ZIP_PRIVATE ,Cfg_TIME_TO_DELETE_BROWSER_ZIP_FILES ,false);
else if (!(Gbl.PID % 139))
Fil_RemoveOldTmpFiles (Cfg_PATH_MARK_PRIVATE ,Cfg_TIME_TO_DELETE_MARKS_TMP_FILES ,false);
else if (!(Gbl.PID % 149))
Fil_RemoveOldTmpFiles (Cfg_PATH_TEST_PRIVATE ,Cfg_TIME_TO_DELETE_TEST_TMP_FILES ,false);
/***** Send, before the HTML, the refresh time *****/
HTM_TxtF ("%lu|",Gbl.Usrs.Connected.TimeToRefreshInMs);
if (Gbl.Usrs.Me.Logged)
Ntf_WriteNumberOfNewNtfs ();
HTM_Txt ("|");
Con_ShowGlobalConnectedUsrs ();
HTM_Txt ("|");
if (ShowConnected)
{
Gbl.Scope.Current = Hie_CRS;
Con_ShowConnectedUsrsBelongingToCurrentCrs ();
}
HTM_Txt ("|");
if (ShowConnected)
HTM_Unsigned (Gbl.Usrs.Connected.NumUsrsToList);
HTM_Txt ("|");
if (ShowConnected)
for (NumUsr = 0;
NumUsr < Gbl.Usrs.Connected.NumUsrsToList;
NumUsr++)
HTM_TxtF ("%ld|",Gbl.Usrs.Connected.Lst[NumUsr].TimeDiff);
}
/*****************************************************************************/
/**************** Refresh last clicks in realtime via AJAX *******************/
/*****************************************************************************/
void Lay_RefreshLastClicks (void)
{
if (Gbl.Session.IsOpen) // If session has been closed, do not write anything
{
/***** Send, before the HTML, the refresh time *****/
HTM_TxtF ("%lu|",Cfg_TIME_TO_REFRESH_LAST_CLICKS);
/***** Get and show last clicks *****/
Sta_GetAndShowLastClicks ();
}
}
/*****************************************************************************/
/************************ Write the end of the page **************************/
/*****************************************************************************/
static void Lay_WriteFootFromHTMLFile (void)
{
FILE *FileHTML;
/***** Open file with the HTML page for the chat *****/
if ((FileHTML = fopen (Cfg_PATH_AND_FILE_REL_HTML_PRIVATE,"rb")))
{
HTM_Txt ("<footer id=\"foot_zone\">");
/***** Copy HTML to output file *****/
Fil_FastCopyOfOpenFiles (FileHTML,Gbl.F.Out);
fclose (FileHTML);
HTM_Txt ("</footer>");
}
}
/*****************************************************************************/
/****** Write header and footer of the class photo or academic calendar ******/
/*****************************************************************************/
void Lay_WriteHeaderClassPhoto (bool PrintView,bool DrawingClassPhoto,
long InsCod,long DegCod,long CrsCod)
{
struct Instit Ins;
struct Degree Deg;
struct Course Crs;
/***** Get data of institution *****/
Ins.InsCod = InsCod;
Ins_GetDataOfInstitutionByCod (&Ins,Ins_GET_BASIC_DATA);
/***** Get data of degree *****/
Deg.DegCod = DegCod;
Deg_GetDataOfDegreeByCod (&Deg);
/***** Get data of course *****/
Crs.CrsCod = CrsCod;
Crs_GetDataOfCourseByCod (&Crs);
/***** Begin table *****/
HTM_TABLE_BeginWidePadding (10);
HTM_TR_Begin (NULL);
/***** First column: institution logo *****/
HTM_TD_Begin ("class=\"LT\" style=\"width:60px;\"");
if (InsCod > 0)
{
if (!PrintView)
HTM_A_Begin ("href=\"%s\" target=\"_blank\"",Ins.WWW);
Log_DrawLogo (Hie_INS,Ins.InsCod,Ins.ShrtName,40,NULL,true);
if (!PrintView)
HTM_A_End ();
}
HTM_TD_End ();
/***** Second column: class photo title *****/
HTM_TD_Begin ("class=\"CLASSPHOTO_TITLE CM\"");
if (InsCod > 0)
{
if (!PrintView)
HTM_A_Begin ("href=\"%s\" target=\"_blank\" class=\"CLASSPHOTO_TITLE\"",
Ins.WWW);
HTM_Txt (Ins.FullName);
if (!PrintView)
HTM_A_End ();
}
if (DegCod > 0)
{
if (Ins.InsCod > 0)
HTM_Txt (" - ");
if (!PrintView)
HTM_A_Begin ("href=\"%s\" target=\"_blank\" class=\"CLASSPHOTO_TITLE\"",
Deg.WWW);
HTM_Txt (Deg.FullName);
if (!PrintView)
HTM_A_End ();
}
HTM_BR ();
if (CrsCod > 0)
{
HTM_Txt (Crs.FullName);
if (DrawingClassPhoto && !Gbl.Usrs.ClassPhoto.AllGroups)
{
HTM_BR ();
Grp_WriteNamesOfSelectedGrps ();
}
}
HTM_TD_End ();
/***** Third column: degree logo *****/
HTM_TD_Begin ("class=\"RT\" style=\"width:60px;\"");
if (DegCod > 0)
{
if (!PrintView)
HTM_A_Begin ("href=\"%s\" target=\"_blank\" class=\"CLASSPHOTO_TITLE\"",
Deg.WWW);
Log_DrawLogo (Hie_DEG,Deg.DegCod,Deg.ShrtName,40,NULL,true);
if (!PrintView)
HTM_A_End ();
}
HTM_TD_End ();
/***** End table *****/
HTM_TR_End ();
HTM_TABLE_End ();
}
/*****************************************************************************/
/**************** Show advertisement about mobile version ********************/
/*****************************************************************************/
#define Lay_SHOW_ADVERTISEMENT_ONE_TIME_OF_X 5 // n ==> show advertisement 1/n of the times
void Lay_AdvertisementMobile (void)
{
extern const char *Txt_Stay_connected_with_SWADroid;
if (!(rand () % Lay_SHOW_ADVERTISEMENT_ONE_TIME_OF_X))
{
HTM_DIV_Begin ("style=\"margin-top:25px;\"");
/***** Begin box and table *****/
Box_StartBoxTable (NULL,NULL,NULL,
NULL,Box_NOT_CLOSABLE,8);
/***** Show advertisement *****/
HTM_TR_Begin (NULL);
HTM_TD_Begin ("class=\"DAT CM\"");
HTM_A_Begin ("href=\"https://play.google.com/store/apps/details?id=es.ugr.swad.swadroid\""
" class=\"DAT\"");
HTM_Txt (Txt_Stay_connected_with_SWADroid);
HTM_BR ();
HTM_BR ();
HTM_IMG (Cfg_URL_ICON_PUBLIC,"SWADroid200x300.png",Txt_Stay_connected_with_SWADroid,
"style=\"width:250px; height:375px;\"");
HTM_A_End ();
HTM_TD_End ();
HTM_TR_End ();
/***** End table and box *****/
Box_EndBoxTable ();
HTM_DIV_End ();
}
}
/*****************************************************************************/
/*********************** Indent forum or chat title **************************/
/*****************************************************************************/
// IsLastItemInLevel[] is a vector with at least 1 + Level booleans
void Lay_IndentDependingOnLevel (unsigned Level,bool IsLastItemInLevel[])
{
unsigned i;
/***** Indent (from 1 to Level-1) *****/
for (i = 1;
i < Level;
i++)
Ico_PutIcon (IsLastItemInLevel[i] ? "tr20x20.gif" :
"subleft20x20.gif",
"","ICO25x25");
/***** Level *****/
if (Level)
Ico_PutIcon (IsLastItemInLevel[Level] ? "subend20x20.gif" :
"submid20x20.gif",
"","ICO25x25");
}
/*****************************************************************************/
/************************** Help for the text editor *************************/
/*****************************************************************************/
void Lay_HelpPlainEditor (void)
{
extern const char *Txt_TEXT_plain;
Lay_HelpTextEditor (Txt_TEXT_plain,
"\\(LaTeX\\)",
"$$LaTeX$$&nbsp;\\[LaTeX\\]");
}
void Lay_HelpRichEditor (void)
{
Lay_HelpTextEditor ("<a href=\"http://johnmacfarlane.net/pandoc/README.html#pandocs-markdown\""
" target=\"_blank\">Markdown+Pandoc</a>",
"$LaTeX$",
"$$LaTeX$$");
}
static void Lay_HelpTextEditor (const char *Text,const char *InlineMath,const char *Equation)
{
extern const char *Txt_Text;
extern const char *Txt_Inline_math;
extern const char *Txt_Equation_centered;
HTM_DIV_Begin ("class=\"HELP_EDIT\"");
HTM_TxtF ("%s: %s"
" "
"%s: <code>%s</code>"
" "
"%s: <code>%s</code>",
Txt_Text,Text,
Txt_Inline_math,InlineMath,
Txt_Equation_centered,Equation);
HTM_DIV_End ();
}
/*****************************************************************************/
/************************** Help for the text editor *************************/
/*****************************************************************************/
void Lay_StartHTMLFile (FILE *File,const char *Title)
{
extern const char *Lan_STR_LANG_ID[1 + Lan_NUM_LANGUAGES];
fprintf (File,"<!DOCTYPE html>\n"
"<html lang=\"%s\">\n"
"<head>\n"
"<meta http-equiv=\"Content-Type\""
" content=\"text/html;charset=windows-1252\" />\n"
"<title>%s</title>\n"
"</head>\n",
Lan_STR_LANG_ID[Gbl.Prefs.Language], // Language
Title); // Page title
}
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