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swad-core/swad_tab.c

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// swad_tab.c: tabs drawing
/*
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) 1999-2015 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 "swad_global.h"
#include "swad_parameter.h"
#include "swad_tab.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
/*****************************************************************************/
/****************************** Private constants ****************************/
/*****************************************************************************/
const char *Tab_TabIcons[Tab_NUM_TABS] =
{
/* TabUnk */ NULL,
/* TabSys */ "sys",
/* TabCty */ "cty",
/* TabIns */ "ins",
/* TabCtr */ "ctr",
/* TabDeg */ "deg",
/* TabCrs */ "crs",
/* TabAss */ "ass",
/* TabUsr */ "usr",
/* TabMsg */ "msg",
/* TabSta */ "sta",
/* TabPrf */ "prf",
};
/*****************************************************************************/
/******************************* Private types *******************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private variables *****************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static void Tab_DrawTabsDeskTop (void);
static bool Tab_CheckIfICanViewTab (Act_Tab_t Tab);
static void Tab_WriteBreadcrumbHome (void);
static void Tab_WriteBreadcrumbTab (void);
static void Tab_WriteBreadcrumbAction (void);
/*****************************************************************************/
/**************** Draw tabs with the current tab highlighted *****************/
/*****************************************************************************/
void Tab_DrawTabs (void)
{
unsigned ColspanCentralPart = 3;
if (Gbl.Prefs.Layout == Lay_LAYOUT_DESKTOP)
{
if (Gbl.Prefs.SideCols == Lay_SHOW_BOTH_COLUMNS) // 11: both side columns visible, left and right
ColspanCentralPart = 1;
else if (Gbl.Prefs.SideCols != Lay_HIDE_BOTH_COLUMNS) // 10 or 01: only one side column visible, left or right
ColspanCentralPart = 2;
}
fprintf (Gbl.F.Out,"<td colspan=\"%u\" class=\"CENTER_TOP\""
" style=\"height:70px;\">"
"<div id=\"tabs_container\">",
ColspanCentralPart);
switch (Gbl.Prefs.Layout)
{
case Lay_LAYOUT_DESKTOP:
Tab_DrawTabsDeskTop ();
break;
case Lay_LAYOUT_MOBILE:
Tab_DrawBreadcrumb ();
break;
default:
break;
}
fprintf (Gbl.F.Out,"</div>"
"</td>");
}
/*****************************************************************************/
/**************** Draw tabs with the current tab highlighted *****************/
/*****************************************************************************/
static void Tab_DrawTabsDeskTop (void)
{
extern const char *The_ClassTabOn[The_NUM_THEMES];
extern const char *The_ClassTabOff[The_NUM_THEMES];
extern const char *The_TabOnBgColors[The_NUM_THEMES];
extern const char *The_TabOffBgColors[The_NUM_THEMES];
extern const char *Txt_TABS_FULL_TXT[Tab_NUM_TABS];
extern const char *Txt_TABS_SHORT_TXT[Tab_NUM_TABS];
Act_Tab_t NumTab;
bool ICanViewTab;
/***** Table start *****/
fprintf (Gbl.F.Out,"<ul class=\"LIST_CENTER\">");
/***** Draw the tabs *****/
for (NumTab = (Act_Tab_t) 1;
NumTab <= (Act_Tab_t) Tab_NUM_TABS - 1;
NumTab++)
{
ICanViewTab = Tab_CheckIfICanViewTab (NumTab);
/* If current tab is unknown, then activate the first one with access allowed */
if (Gbl.CurrentTab == TabUnk)
{
Gbl.CurrentTab = NumTab;
Tab_DisableIncompatibleTabs ();
}
if (ICanViewTab || NumTab > TabCrs) // Don't show the first hidden tabs
{
/* Form, icon (at top) and text (at bottom) of the tab */
fprintf (Gbl.F.Out,"<li class=\"%s %s\">",
NumTab == Gbl.CurrentTab ? "TAB_ON" :
"TAB_OFF",
NumTab == Gbl.CurrentTab ? The_TabOnBgColors[Gbl.Prefs.Theme] :
The_TabOffBgColors[Gbl.Prefs.Theme]);
if (ICanViewTab)
{
fprintf (Gbl.F.Out,"<div"); // This div must be present even in current tab in order to render properly the tab
if (NumTab != Gbl.CurrentTab)
fprintf (Gbl.F.Out," class=\"ICON_HIGHLIGHT\"");
fprintf (Gbl.F.Out,">");
Act_FormStart (ActMnu);
Par_PutHiddenParamUnsigned ("NxtTab",(unsigned) NumTab);
Act_LinkFormSubmit (Txt_TABS_FULL_TXT[NumTab],
NumTab == Gbl.CurrentTab ? The_ClassTabOn[Gbl.Prefs.Theme] :
The_ClassTabOff[Gbl.Prefs.Theme]);
fprintf (Gbl.F.Out,"<img src=\"%s/%s/%s64x64.gif\""
" alt=\"%s\" title=\"%s\""
" class=\"ICON32x32\" style=\"margin:5px;\" />"
"<div>%s</div>"
"</a>",
Gbl.Prefs.PathIconSet,Cfg_ICON_ACTION,
Tab_TabIcons[NumTab],
Txt_TABS_FULL_TXT[NumTab],
Txt_TABS_FULL_TXT[NumTab],
Txt_TABS_SHORT_TXT[NumTab]);
Act_FormEnd ();
}
else
fprintf (Gbl.F.Out,"<div class=\"ICON_HIDDEN\">"
"<img src=\"%s/%s/%s64x64.gif\""
" alt=\"%s\" title=\"%s\""
" class=\"ICON32x32\" style=\"margin:5px;\" />"
"<div class=\"%s\">%s</div>",
Gbl.Prefs.PathIconSet,Cfg_ICON_ACTION,
Tab_TabIcons[NumTab],
Txt_TABS_FULL_TXT[NumTab],
Txt_TABS_FULL_TXT[NumTab],
The_ClassTabOff[Gbl.Prefs.Theme],
Txt_TABS_SHORT_TXT[NumTab]);
fprintf (Gbl.F.Out,"</div>"
"</li>");
}
}
/***** End of the table *****/
fprintf (Gbl.F.Out,"</ul>");
}
/*****************************************************************************/
/************************ Draw vertical menu with tabs ***********************/
/*****************************************************************************/
void Tab_DrawTabsMobile (void)
{
extern const char *The_ClassMenuOff[The_NUM_THEMES];
extern const char *Txt_TABS_FULL_TXT[Tab_NUM_TABS];
unsigned NumTabVisible;
Act_Tab_t NumTab;
bool ICanViewTab;
/***** Table start *****/
fprintf (Gbl.F.Out,"<table style=\"width:100%%;\">");
/***** Loop to write all tabs. Each row holds a tab *****/
for (NumTabVisible = 0, NumTab = (Act_Tab_t) 1;
NumTab <= (Act_Tab_t) Tab_NUM_TABS - 1;
NumTab++)
{
ICanViewTab = Tab_CheckIfICanViewTab (NumTab);
if (ICanViewTab || NumTab > TabCrs) // Don't show the first hidden tabs
{
if (NumTabVisible % Cfg_LAYOUT_MOBILE_NUM_COLUMNS == 0)
fprintf (Gbl.F.Out,"<tr>");
/* Icon at top and text at bottom */
fprintf (Gbl.F.Out,"<td class=\"CENTER_TOP\" style=\"width:25%%;\">");
if (ICanViewTab)
{
fprintf (Gbl.F.Out,"<div class=\"ICON_HIGHLIGHT\">");
Act_FormStart (ActMnu);
Par_PutHiddenParamUnsigned ("NxtTab",(unsigned) NumTab);
Act_LinkFormSubmit (Txt_TABS_FULL_TXT[NumTab],The_ClassMenuOff[Gbl.Prefs.Theme]);
fprintf (Gbl.F.Out,"<input type=\"image\" src=\"%s/%s/%s64x64.gif\""
" alt=\"%s\" title=\"%s\" class=\"ICON64x64\""
" style=\"margin:5px;\" />"
"<div>%s</div>"
"</a>",
Gbl.Prefs.PathIconSet,Cfg_ICON_ACTION,
Tab_TabIcons[NumTab],
Txt_TABS_FULL_TXT[NumTab],
Txt_TABS_FULL_TXT[NumTab],
Txt_TABS_FULL_TXT[NumTab]);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</div>");
}
else
fprintf (Gbl.F.Out,"<div class=\"ICON_HIDDEN\">"
"<img src=\"%s/%s/%s64x64.gif\""
" alt=\"%s\" title=\"%s\""
" class=\"ICON64x64\" style=\"margin:5px;\" />"
"<div class=\"%s\">%s</div>"
"</div>",
Gbl.Prefs.PathIconSet,
Cfg_ICON_ACTION,
Tab_TabIcons[NumTab],
Txt_TABS_FULL_TXT[NumTab],
Txt_TABS_FULL_TXT[NumTab],
The_ClassMenuOff[Gbl.Prefs.Theme],
Txt_TABS_FULL_TXT[NumTab]);
fprintf (Gbl.F.Out,"</td>");
if ((NumTabVisible % Cfg_LAYOUT_MOBILE_NUM_COLUMNS) == (Cfg_LAYOUT_MOBILE_NUM_COLUMNS-1))
fprintf (Gbl.F.Out,"</tr>");
NumTabVisible++;
}
}
/***** End of the table *****/
fprintf (Gbl.F.Out,"</table>");
}
/*****************************************************************************/
/************************* Check if I can view a tab *************************/
/*****************************************************************************/
static bool Tab_CheckIfICanViewTab (Act_Tab_t Tab)
{
switch (Tab)
{
case TabUnk:
return false;
case TabSys:
return (Gbl.CurrentCty.Cty.CtyCod <= 0);
case TabCty:
return (Gbl.CurrentCty.Cty.CtyCod > 0 &&
Gbl.CurrentIns.Ins.InsCod <= 0);
case TabIns:
return (Gbl.CurrentIns.Ins.InsCod > 0 &&
Gbl.CurrentCtr.Ctr.CtrCod <= 0);
case TabCtr:
return (Gbl.CurrentCtr.Ctr.CtrCod > 0 &&
Gbl.CurrentDeg.Deg.DegCod <= 0);
case TabDeg:
return (Gbl.CurrentDeg.Deg.DegCod > 0 &&
Gbl.CurrentCrs.Crs.CrsCod <= 0);
case TabCrs:
case TabAss:
return (Gbl.CurrentCrs.Crs.CrsCod > 0);
case TabMsg:
return (Gbl.Usrs.Me.Logged ||
Gbl.CurrentCrs.Crs.CrsCod > 0);
default:
return true;
}
}
/*****************************************************************************/
/********************* Draw breadcrumb with tab and action *******************/
/*****************************************************************************/
void Tab_DrawBreadcrumb (void)
{
extern const char *The_TabOnBgColors[The_NUM_THEMES];
extern const char *The_ClassTabOn[The_NUM_THEMES];
fprintf (Gbl.F.Out,"<div class=\"TAB_ON %s\">",
The_TabOnBgColors[Gbl.Prefs.Theme]);
/***** Home *****/
Tab_WriteBreadcrumbHome ();
if (Gbl.CurrentAct == ActMnu ||
Act_Actions[Act_Actions[Gbl.CurrentAct].SuperAction].IndexInMenu >= 0)
{
/***** Tab *****/
fprintf (Gbl.F.Out,"<span class=\"%s\"> &gt; </span>",
The_ClassTabOn[Gbl.Prefs.Theme]);
Tab_WriteBreadcrumbTab ();
if (Act_Actions[Act_Actions[Gbl.CurrentAct].SuperAction].IndexInMenu >= 0)
{
/***** Menu *****/
fprintf (Gbl.F.Out,"<span class=\"%s\"> &gt; </span>",
The_ClassTabOn[Gbl.Prefs.Theme]);
Tab_WriteBreadcrumbAction ();
}
}
fprintf (Gbl.F.Out,"</div>");
}
/*****************************************************************************/
/************************ Write home in breadcrumb ***************************/
/*****************************************************************************/
static void Tab_WriteBreadcrumbHome (void)
{
extern const char *The_ClassTabOn[The_NUM_THEMES];
extern const char *Txt_Home_PAGE;
Act_FormStart (ActHom);
Act_LinkFormSubmit (Txt_Home_PAGE,The_ClassTabOn[Gbl.Prefs.Theme]);
fprintf (Gbl.F.Out,"%s</a>",
Txt_Home_PAGE);
Act_FormEnd ();
}
/*****************************************************************************/
/************ Write icon and title associated to the current tab *************/
/*****************************************************************************/
static void Tab_WriteBreadcrumbTab (void)
{
extern const char *The_ClassTabOn[The_NUM_THEMES];
extern const char *Txt_TABS_FULL_TXT[Tab_NUM_TABS];
/***** Start form *****/
Act_FormStart (ActMnu);
Par_PutHiddenParamUnsigned ("NxtTab",(unsigned) Gbl.CurrentTab);
Act_LinkFormSubmit (Txt_TABS_FULL_TXT[Gbl.CurrentTab],The_ClassTabOn[Gbl.Prefs.Theme]);
/***** Title and end of form *****/
fprintf (Gbl.F.Out,"%s</a>",
Txt_TABS_FULL_TXT[Gbl.CurrentTab]);
Act_FormEnd ();
}
/*****************************************************************************/
/***************** Write title associated to the current action **************/
/*****************************************************************************/
static void Tab_WriteBreadcrumbAction (void)
{
extern const char *The_ClassTabOn[The_NUM_THEMES];
const char *Title = Act_GetTitleAction (Gbl.CurrentAct);
/***** Start form *****/
Act_FormStart (Act_Actions[Gbl.CurrentAct].SuperAction);
Act_LinkFormSubmit (Title,The_ClassTabOn[Gbl.Prefs.Theme]);
/***** Title and end of form *****/
fprintf (Gbl.F.Out,"%s</a>",
Title);
Act_FormEnd ();
}
/*****************************************************************************/
/*************** Set current tab depending on current action *****************/
/*****************************************************************************/
void Tab_SetCurrentTab (void)
{
Gbl.CurrentTab = Act_Actions[Gbl.CurrentAct].Tab;
/***** Change action and tab if country, institution, centre or degree
are incompatible with the current tab *****/
switch (Gbl.CurrentTab)
{
case TabCty:
if (Gbl.CurrentCty.Cty.CtyCod <= 0) // No country selected
Gbl.CurrentAct = ActSeeCty;
break;
case TabIns:
if (Gbl.CurrentIns.Ins.InsCod <= 0) // No institution selected
{
if (Gbl.CurrentCty.Cty.CtyCod > 0) // Country selected, but no institution selected
Gbl.CurrentAct = ActSeeIns;
else // No country selected
Gbl.CurrentAct = ActSeeCty;
}
break;
case TabCtr:
if (Gbl.CurrentCtr.Ctr.CtrCod <= 0) // No centre selected
{
if (Gbl.CurrentIns.Ins.InsCod > 0) // Institution selected, but no centre selected
Gbl.CurrentAct = ActSeeCtr;
else if (Gbl.CurrentCty.Cty.CtyCod > 0) // Country selected, but no institution selected
Gbl.CurrentAct = ActSeeIns;
else // No country selected
Gbl.CurrentAct = ActSeeCty;
}
break;
case TabDeg:
if (Gbl.CurrentDeg.Deg.DegCod <= 0) // No degree selected
{
if (Gbl.CurrentCtr.Ctr.CtrCod > 0) // Centre selected, but no degree selected
Gbl.CurrentAct = ActSeeDeg;
else if (Gbl.CurrentIns.Ins.InsCod > 0) // Institution selected, but no centre selected
Gbl.CurrentAct = ActSeeCtr;
else if (Gbl.CurrentCty.Cty.CtyCod > 0) // Country selected, but no institution selected
Gbl.CurrentAct = ActSeeIns;
else // No country selected
Gbl.CurrentAct = ActSeeCty;
}
break;
default:
break;
}
Gbl.CurrentTab = Act_Actions[Gbl.CurrentAct].Tab;
Tab_DisableIncompatibleTabs ();
}
/*****************************************************************************/
/************************** Disable incompatible tabs ************************/
/*****************************************************************************/
void Tab_DisableIncompatibleTabs (void)
{
/***** Set country, institution, centre, degree and course depending on the current tab.
This will disable tabs incompatible with the current one. *****/
switch (Gbl.CurrentTab)
{
case TabSys:
Gbl.CurrentCty.Cty.CtyCod = -1L;
// no break
case TabCty:
Gbl.CurrentIns.Ins.InsCod = -1L;
// no break
case TabIns:
Gbl.CurrentCtr.Ctr.CtrCod = -1L;
// no break
case TabCtr:
Gbl.CurrentDeg.Deg.DegCod = -1L;
// no break
case TabDeg:
Gbl.CurrentCrs.Crs.CrsCod = -1L;
break;
default:
break;
}
}
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