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swad-core/swad_rubric_criteria.c

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// swad_rubric_criteria.c: criteria in assessment rubrics
/*
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 ***********************************/
/*****************************************************************************/
#include <float.h> // For DBL_MAX
#include <mysql/mysql.h> // To access MySQL databases
#include <string.h> // For string functions
#include "swad_action_list.h"
#include "swad_alert.h"
#include "swad_box.h"
#include "swad_database.h"
#include "swad_error.h"
#include "swad_form.h"
#include "swad_global.h"
#include "swad_parameter.h"
#include "swad_parameter_code.h"
#include "swad_rubric.h"
#include "swad_rubric_criteria.h"
#include "swad_rubric_database.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/***************************** Private constants *****************************/
/*****************************************************************************/
// Form parameters for minimum/maximum criterion values
static const char *RubCri_ParValues[RubCri_NUM_VALUES] =
{
[RubCri_MIN] = "MinVal",
[RubCri_MAX] = "MaxVal",
};
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static void RubCri_PutParsOneCriterion (void *Rubrics);
static void RubCri_PutFormNewCriterion (struct Rub_Rubrics *Rubrics,
struct RubCri_Criterion *Criterion,
unsigned MaxCriInd);
static void RubCri_ReceiveCriterionFieldsFromForm (struct RubCri_Criterion *Criterion);
static bool RubCri_CheckCriterionTitleReceivedFromForm (const struct RubCri_Criterion *Criterion,
const char NewTitle[RubCri_MAX_BYTES_TITLE + 1]);
static void RubCri_ChangeValueCriterion (RubCri_ValueRange_t ValueRange);
static void RubCri_CreateCriterion (struct RubCri_Criterion *Criterion);
static void RubCri_ListOneOrMoreCriteriaForEdition (struct Rub_Rubrics *Rubrics,
unsigned MaxCriInd,
unsigned NumCriteria,
MYSQL_RES *mysql_res,
bool ICanEditCriteria);
static void RubCri_GetCriterionDataFromRow (MYSQL_RES *mysql_res,
struct RubCri_Criterion *Criterion);
static void RubCri_PutTableHeadingForCriteria (void);
static void RubCri_GetAndCheckPars (struct Rub_Rubrics *Rubrics,
struct RubCri_Criterion *Criterion);
static void RubCri_ExchangeCriteria (long RubCod,
unsigned CriIndTop,unsigned CriIndBottom);
/*****************************************************************************/
/*************** Put parameter to edit one rubric criterion ******************/
/*****************************************************************************/
static void RubCri_PutParsOneCriterion (void *Rubrics)
{
if (Rubrics)
{
Rub_PutPars (Rubrics);
ParCod_PutPar (ParCod_Cri,((struct Rub_Rubrics *) Rubrics)->CriCod);
}
}
/*****************************************************************************/
/******************** Get criterion data using its code **********************/
/*****************************************************************************/
void RubCri_GetCriterionDataByCod (struct RubCri_Criterion *Criterion)
{
MYSQL_RES *mysql_res;
/***** Trivial check *****/
if (Criterion->CriCod <= 0)
{
/* Initialize to empty criterion */
RubCri_ResetCriterion (Criterion);
return;
}
/***** Get data of rubric criterion from database *****/
if (Rub_DB_GetCriterionDataByCod (&mysql_res,Criterion->CriCod)) // Criterion found...
RubCri_GetCriterionDataFromRow (mysql_res,Criterion);
else
/* Initialize to empty criterion */
RubCri_ResetCriterion (Criterion);
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/*************** Put a form to create/edit a rubric criterion ****************/
/*****************************************************************************/
static void RubCri_PutFormNewCriterion (struct Rub_Rubrics *Rubrics,
struct RubCri_Criterion *Criterion,
unsigned MaxCriInd)
{
extern const char *Txt_New_criterion;
extern const char *Txt_Create_criterion;
RubCri_ValueRange_t ValueRange;
/***** Begin form *****/
Frm_BeginForm (ActNewRubCri);
Rub_PutPars (Rubrics);
/***** Begin box and table *****/
Box_BoxTableBegin (NULL,Txt_New_criterion,
NULL,NULL,
NULL,Box_NOT_CLOSABLE,2);
/***** Table heading *****/
RubCri_PutTableHeadingForCriteria ();
/***** Begin row *****/
HTM_TR_Begin (NULL);
/***** Empty column for buttons *****/
HTM_TD_Begin ("class=\"BM\"");
HTM_TD_End ();
/***** Index *****/
HTM_TD_Begin ("class=\"RM\"");
Lay_WriteIndex (MaxCriInd + 1,"BIG_INDEX");
HTM_TD_End ();
/***** Title *****/
HTM_TD_Begin ("class=\"LM\"");
HTM_INPUT_TEXT ("Title",RubCri_MAX_CHARS_TITLE,Criterion->Title,
HTM_DONT_SUBMIT_ON_CHANGE,
"id=\"Title\""
" class=\"TITLE_DESCRIPTION_WIDTH INPUT_%s\""
" required=\"required\"",
The_GetSuffix ());
HTM_TD_End ();
/***** Minimum and maximum values of the criterion *****/
for (ValueRange = (RubCri_ValueRange_t) 0;
ValueRange <= (RubCri_ValueRange_t) (RubCri_NUM_VALUES - 1);
ValueRange++)
{
HTM_TD_Begin ("class=\"RM\"");
HTM_INPUT_FLOAT (RubCri_ParValues[ValueRange],0.0,DBL_MAX,0.1,
Criterion->Values[ValueRange],false,
" class=\"INPUT_%s\" required=\"required\"",
The_GetSuffix ());
HTM_TD_End ();
}
/***** Weight of the criterion *****/
HTM_TD_Begin ("class=\"RM\"");
HTM_INPUT_FLOAT ("Weight",0.0,1.0,0.01,
Criterion->Weight,false,
" class=\"INPUT_%s\" required=\"required\"",
The_GetSuffix ());
HTM_TD_End ();
/***** End row *****/
HTM_TR_End ();
/***** End table, send button and end box *****/
Box_BoxTableWithButtonEnd (Btn_CREATE_BUTTON,Txt_Create_criterion);
/***** End form *****/
Frm_EndForm ();
}
/*****************************************************************************/
/**************** Receive form to create a new rubric criterion **************/
/*****************************************************************************/
void RubCri_ReceiveFormCriterion (void)
{
struct Rub_Rubrics Rubrics;
struct RubCri_Criterion Criterion;
/***** Reset rubrics context *****/
Rub_ResetRubrics (&Rubrics);
Rub_ResetRubric (&Rubrics.Rubric);
RubCri_ResetCriterion (&Criterion);
/***** Get parameters *****/
Rub_GetPars (&Rubrics,true);
Criterion.RubCod = Rubrics.Rubric.RubCod;
/***** Get rubric data from database *****/
Rub_GetRubricDataByCod (&Rubrics.Rubric);
/***** Check if rubric is editable *****/
if (!Rub_CheckIfEditable (&Rubrics.Rubric))
Err_NoPermissionExit ();
/***** If I can edit rubrics ==> receive criterion from form *****/
RubCri_ReceiveCriterionFieldsFromForm (&Criterion);
if (RubCri_CheckCriterionTitleReceivedFromForm (&Criterion,Criterion.Title))
RubCri_CreateCriterion (&Criterion); // Add new criterion to database
/***** Show current rubric and its criteria *****/
Rub_PutFormsOneRubric (&Rubrics,&Criterion,
false); // It's not a new rubric
}
static void RubCri_ReceiveCriterionFieldsFromForm (struct RubCri_Criterion *Criterion)
{
RubCri_ValueRange_t ValueRange;
char ValueStr[64];
char WeightStr[64];
/***** Get criterion title *****/
Par_GetParText ("Title",Criterion->Title,RubCri_MAX_BYTES_TITLE);
/***** Get minimum and maximum values of criterion *****/
for (ValueRange = (RubCri_ValueRange_t) 0;
ValueRange <= (RubCri_ValueRange_t) (RubCri_NUM_VALUES - 1);
ValueRange++)
{
Par_GetParText (RubCri_ParValues[ValueRange],ValueStr,sizeof (ValueStr) - 1);
Criterion->Values[ValueRange] = Str_GetDoubleFromStr (ValueStr);
}
/***** Get criterion weight *****/
Par_GetParText ("Weight",WeightStr,sizeof (WeightStr) - 1);
Criterion->Weight = Str_GetDoubleFromStr (WeightStr);
}
static bool RubCri_CheckCriterionTitleReceivedFromForm (const struct RubCri_Criterion *Criterion,
const char NewTitle[RubCri_MAX_BYTES_TITLE + 1])
{
extern const char *Txt_Already_existed_a_criterion_in_this_rubric_with_the_title_X;
bool NewTitleIsCorrect;
/***** Check if title is correct *****/
NewTitleIsCorrect = true;
if (NewTitle[0]) // If there's an criterion title
{
/***** Check if old and new titles are the same
(this happens when return is pressed without changes) *****/
if (strcmp (Criterion->Title,NewTitle)) // Different titles
{
/* If title of criterion was in database... */
if (Rub_DB_CheckIfSimilarCriterionExists (Criterion,NewTitle))
{
NewTitleIsCorrect = false;
Ale_ShowAlert (Ale_WARNING,Txt_Already_existed_a_criterion_in_this_rubric_with_the_title_X,
Criterion->Title);
}
}
}
else // If there is not a criterion title
{
NewTitleIsCorrect = false;
Ale_ShowAlertYouMustSpecifyTheTitle ();
}
return NewTitleIsCorrect;
}
/*****************************************************************************/
/************* Receive form to change title of rubric criterion **************/
/*****************************************************************************/
void RubCri_ChangeCriterionTitle (void)
{
struct Rub_Rubrics Rubrics;
struct RubCri_Criterion Criterion;
char NewTitle[RubCri_MAX_BYTES_TITLE + 1];
/***** Check if I can edit rubrics *****/
if (!Rub_CheckIfICanEditRubrics ())
Err_NoPermissionExit ();
/***** Reset rubrics context *****/
Rub_ResetRubrics (&Rubrics);
Rub_ResetRubric (&Rubrics.Rubric);
RubCri_ResetCriterion (&Criterion);
/***** Get and check parameters *****/
RubCri_GetAndCheckPars (&Rubrics,&Criterion);
/***** Check if rubric is editable *****/
if (!Rub_CheckIfEditable (&Rubrics.Rubric))
Err_NoPermissionExit ();
/***** Receive new title from form *****/
Par_GetParText ("Title",NewTitle,RubCri_MAX_BYTES_TITLE);
/***** Check if title should be changed *****/
if (RubCri_CheckCriterionTitleReceivedFromForm (&Criterion,NewTitle))
{
/* Update the table changing old title by new title */
Rub_DB_UpdateCriterionTitle (Criterion.CriCod,Criterion.RubCod,NewTitle);
/* Update title */
Str_Copy (Criterion.Title,NewTitle,sizeof (Criterion.Title) - 1);
}
/***** Show current rubric and its criteria *****/
Rub_PutFormsOneRubric (&Rubrics,&Criterion,
false); // It's not a new rubric
}
/*****************************************************************************/
/********* Receive form to change minimum/maximum value of criterion *********/
/*****************************************************************************/
void RubCri_ChangeMinValueCriterion (void)
{
RubCri_ChangeValueCriterion (RubCri_MIN);
}
void RubCri_ChangeMaxValueCriterion (void)
{
RubCri_ChangeValueCriterion (RubCri_MAX);
}
static void RubCri_ChangeValueCriterion (RubCri_ValueRange_t ValueRange)
{
struct Rub_Rubrics Rubrics;
struct RubCri_Criterion Criterion;
char ValueStr[64];
/***** Check if I can edit rubrics *****/
if (!Rub_CheckIfICanEditRubrics ())
Err_NoPermissionExit ();
/***** Reset rubrics context *****/
Rub_ResetRubrics (&Rubrics);
Rub_ResetRubric (&Rubrics.Rubric);
RubCri_ResetCriterion (&Criterion);
/***** Get parameters *****/
Rub_GetPars (&Rubrics,true);
Criterion.RubCod = Rubrics.Rubric.RubCod;
Rubrics.CriCod = Criterion.CriCod = ParCod_GetAndCheckPar (ParCod_Cri);
/***** Get and check parameters *****/
RubCri_GetAndCheckPars (&Rubrics,&Criterion);
/***** Check if rubric is editable *****/
if (!Rub_CheckIfEditable (&Rubrics.Rubric))
Err_NoPermissionExit ();
/***** Receive new value from form *****/
Par_GetParText (RubCri_ParValues[ValueRange],ValueStr,sizeof (ValueStr) - 1);
Criterion.Values[ValueRange] = Str_GetDoubleFromStr (ValueStr);
/***** Change value *****/
/* Update the table changing old value by new value */
Rub_DB_UpdateCriterionValue (Criterion.CriCod,Criterion.RubCod,
ValueRange,Criterion.Values[ValueRange]);
/***** Show current rubric and its criteria *****/
Rub_PutFormsOneRubric (&Rubrics,&Criterion,
false); // It's not a new rubric
}
/*****************************************************************************/
/********* Receive form to change minimum/maximum value of criterion *********/
/*****************************************************************************/
void RubCri_ChangeWeightCriterion (void)
{
struct Rub_Rubrics Rubrics;
struct RubCri_Criterion Criterion;
char WeightStr[64];
/***** Check if I can edit rubrics *****/
if (!Rub_CheckIfICanEditRubrics ())
Err_NoPermissionExit ();
/***** Reset rubrics context *****/
Rub_ResetRubrics (&Rubrics);
Rub_ResetRubric (&Rubrics.Rubric);
RubCri_ResetCriterion (&Criterion);
/***** Get parameters *****/
Rub_GetPars (&Rubrics,true);
Criterion.RubCod = Rubrics.Rubric.RubCod;
Rubrics.CriCod = Criterion.CriCod = ParCod_GetAndCheckPar (ParCod_Cri);
/***** Get and check parameters *****/
RubCri_GetAndCheckPars (&Rubrics,&Criterion);
/***** Check if rubric is editable *****/
if (!Rub_CheckIfEditable (&Rubrics.Rubric))
Err_NoPermissionExit ();
/***** Receive new value from form *****/
Par_GetParText ("Weight",WeightStr,sizeof (WeightStr) - 1);
Criterion.Weight = Str_GetDoubleFromStr (WeightStr);
/***** Change value *****/
/* Update the table changing old value by new value */
Rub_DB_UpdateCriterionWeight (Criterion.CriCod,Criterion.RubCod,
Criterion.Weight);
/***** Show current rubric and its criteria *****/
Rub_PutFormsOneRubric (&Rubrics,&Criterion,
false); // It's not a new rubric
}
/*****************************************************************************/
/************************ Create a new rubric criterion **********************/
/*****************************************************************************/
static void RubCri_CreateCriterion (struct RubCri_Criterion *Criterion)
{
extern const char *Txt_Created_new_criterion_X;
unsigned MaxCriInd;
/***** Get maximum criterion index *****/
MaxCriInd = Rub_DB_GetMaxCriterionIndexInRubric (Criterion->RubCod);
/***** Create a new criterion *****/
Criterion->CriInd = MaxCriInd + 1;
Criterion->CriCod = Rub_DB_CreateCriterion (Criterion);
/***** Write success message *****/
Ale_ShowAlert (Ale_SUCCESS,Txt_Created_new_criterion_X,
Criterion->Title);
}
/*****************************************************************************/
/********************** List the criteria of a rubric ************************/
/*****************************************************************************/
void RubCri_ListCriteria (struct Rub_Rubrics *Rubrics,
struct RubCri_Criterion *Criterion)
{
extern const char *Hlp_ASSESSMENT_Rubrics_criteria;
extern const char *Txt_Criteria;
MYSQL_RES *mysql_res;
unsigned MaxCriInd;
unsigned NumCriteria;
bool ICanEditCriteria = Rub_CheckIfEditable (&Rubrics->Rubric);
/***** Get maximum criterion index *****/
MaxCriInd = Rub_DB_GetMaxCriterionIndexInRubric (Rubrics->Rubric.RubCod);
/***** Get data of rubric criteria from database *****/
NumCriteria = Rub_DB_GetCriteria (&mysql_res,Rubrics->Rubric.RubCod);
/***** Begin box *****/
Box_BoxBegin (NULL,Txt_Criteria,
NULL,NULL,
Hlp_ASSESSMENT_Rubrics_criteria,Box_NOT_CLOSABLE);
/***** Show table with rubric criteria *****/
if (NumCriteria)
RubCri_ListOneOrMoreCriteriaForEdition (Rubrics,
MaxCriInd,
NumCriteria,mysql_res,
ICanEditCriteria);
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
/***** Put forms to create/edit a criterion *****/
if (ICanEditCriteria)
RubCri_PutFormNewCriterion (Rubrics,Criterion,MaxCriInd);
/***** End box *****/
Box_BoxEnd ();
}
/*****************************************************************************/
/********************** List rubric criteria for edition **********************/
/*****************************************************************************/
static void RubCri_ListOneOrMoreCriteriaForEdition (struct Rub_Rubrics *Rubrics,
unsigned MaxCriInd,
unsigned NumCriteria,
MYSQL_RES *mysql_res,
bool ICanEditCriteria)
{
extern const char *Txt_Criteria;
extern const char *Txt_Movement_not_allowed;
// Actions to change minimum/maximum criterion values
static Act_Action_t RubCri_ActionsValues[RubCri_NUM_VALUES] =
{
[RubCri_MIN] = ActChgMinRubCri,
[RubCri_MAX] = ActChgMaxRubCri,
};
unsigned NumCriterion;
struct RubCri_Criterion Criterion;
char *Anchor;
RubCri_ValueRange_t ValueRange;
/***** Trivial check *****/
if (!NumCriteria)
return;
/***** Begin table *****/
HTM_TABLE_BeginWideMarginPadding (5);
/***** Write the heading *****/
RubCri_PutTableHeadingForCriteria ();
/***** Write rows *****/
for (NumCriterion = 0, The_ResetRowColor ();
NumCriterion < NumCriteria;
NumCriterion++, The_ChangeRowColor ())
{
/***** Create criterion of questions *****/
RubCri_ResetCriterion (&Criterion);
/***** Get criterion data *****/
RubCri_GetCriterionDataFromRow (mysql_res,&Criterion);
/* Initialize context */
Rubrics->CriCod = Criterion.CriCod;
Rubrics->CriInd = Criterion.CriInd;
/***** Build anchor string *****/
Frm_SetAnchorStr (Criterion.CriCod,&Anchor);
/***** Begin first row *****/
HTM_TR_Begin (NULL);
/***** Icons *****/
HTM_TD_Begin ("rowspan=\"2\" class=\"BT %s\"",
The_GetColorRows ());
/* Put icon to remove the criterion */
if (ICanEditCriteria)
Ico_PutContextualIconToRemove (ActReqRemRubCri,NULL,
RubCri_PutParsOneCriterion,Rubrics);
else
Ico_PutIconRemovalNotAllowed ();
/* Put icon to move up the question */
if (ICanEditCriteria && Criterion.CriInd > 1)
Lay_PutContextualLinkOnlyIcon (ActUp_RubCri,Anchor,
RubCri_PutParsOneCriterion,Rubrics,
"arrow-up.svg",Ico_BLACK);
else
Ico_PutIconOff ("arrow-up.svg",Ico_BLACK,
Txt_Movement_not_allowed);
/* Put icon to move down the criterion */
if (ICanEditCriteria && Criterion.CriInd < MaxCriInd)
Lay_PutContextualLinkOnlyIcon (ActDwnRubCri,Anchor,
RubCri_PutParsOneCriterion,Rubrics,
"arrow-down.svg",Ico_BLACK);
else
Ico_PutIconOff ("arrow-down.svg",Ico_BLACK,
Txt_Movement_not_allowed);
HTM_TD_End ();
/***** Index *****/
HTM_TD_Begin ("rowspan=\"2\" class=\"RT %s\"",
The_GetColorRows ());
Lay_WriteIndex (Criterion.CriInd,"BIG_INDEX");
HTM_TD_End ();
/***** Title *****/
HTM_TD_Begin ("class=\"LT %s\"",The_GetColorRows ());
HTM_ARTICLE_Begin (Anchor);
if (ICanEditCriteria)
{
Frm_BeginFormAnchor (ActChgTitRubCri,Anchor);
RubCri_PutParsOneCriterion (Rubrics);
HTM_INPUT_TEXT ("Title",RubCri_MAX_CHARS_TITLE,Criterion.Title,
HTM_SUBMIT_ON_CHANGE,
"id=\"Title\""
" class=\"TITLE_DESCRIPTION_WIDTH INPUT_%s\""
" required=\"required\"",
The_GetSuffix ());
Frm_EndForm ();
}
else
{
HTM_SPAN_Begin ("class=\"EXA_SET_TITLE\"");
HTM_Txt (Criterion.Title);
HTM_SPAN_End ();
}
HTM_ARTICLE_End ();
HTM_TD_End ();
/***** Minimum and maximum values of criterion *****/
for (ValueRange = (RubCri_ValueRange_t) 0;
ValueRange <= (RubCri_ValueRange_t) (RubCri_NUM_VALUES - 1);
ValueRange++)
{
HTM_TD_Begin ("class=\"RT %s\"",The_GetColorRows ());
if (ICanEditCriteria)
{
Frm_BeginFormAnchor (RubCri_ActionsValues[ValueRange],Anchor);
RubCri_PutParsOneCriterion (Rubrics);
HTM_INPUT_FLOAT (RubCri_ParValues[ValueRange],0.0,DBL_MAX,0.1,
Criterion.Values[ValueRange],false,
" class=\"INPUT_%s\" required=\"required\"",
The_GetSuffix ());
Frm_EndForm ();
}
else
{
HTM_SPAN_Begin ("class=\"CRI_VALUE\"");
HTM_Unsigned (Criterion.Values[ValueRange]);
HTM_SPAN_End ();
}
HTM_TD_End ();
}
/***** Criterion weight *****/
HTM_TD_Begin ("class=\"RT %s\"",The_GetColorRows ());
if (ICanEditCriteria)
{
Frm_BeginFormAnchor (ActChgWeiRubCri,Anchor);
RubCri_PutParsOneCriterion (Rubrics);
HTM_INPUT_FLOAT ("Weight",0.0,1.0,0.01,
Criterion.Weight,false,
" class=\"INPUT_%s\" required=\"required\"",
The_GetSuffix ());
Frm_EndForm ();
}
else
{
HTM_SPAN_Begin ("class=\"CRI_VALUE\"");
HTM_Unsigned (Criterion.Weight);
HTM_SPAN_End ();
}
HTM_TD_End ();
/***** End first row *****/
HTM_TR_End ();
/***** Begin second row *****/
HTM_TR_Begin (NULL);
/***** Questions *****/
HTM_TD_Begin ("colspan=\"3\" class=\"LT %s\"",
The_GetColorRows ());
HTM_TD_End ();
/***** End second row *****/
HTM_TR_End ();
/***** Free anchor string *****/
Frm_FreeAnchorStr (Anchor);
}
/***** End table *****/
HTM_TABLE_End ();
}
/*****************************************************************************/
/************************** Get rubric criteria data *************************/
/*****************************************************************************/
static void RubCri_GetCriterionDataFromRow (MYSQL_RES *mysql_res,
struct RubCri_Criterion *Criterion)
{
MYSQL_ROW row;
RubCri_ValueRange_t ValueRange;
/* Get row */
row = mysql_fetch_row (mysql_res);
/*
row[0] CriCod
row[1] RubCod
row[2] CriInd
row[3] Source
row[4] Cod
row[5] MinVal
row[6] MaxVal
row[7] Weight
row[8] Title
*/
/* Get criterion code (row[0]) */
Criterion->CriCod = Str_ConvertStrCodToLongCod (row[0]);
/* Get rubric code (row[0]) */
Criterion->RubCod = Str_ConvertStrCodToLongCod (row[1]);
/* Get criterion index (row[2]) */
Criterion->CriInd = Str_ConvertStrToUnsigned (row[2]);
/* Get source (row[3]) and code (row[4]) */
Criterion->Source = RubCri_GetSourceFromDBStr (row[3]);
Criterion->Cod = Str_ConvertStrCodToLongCod (row[4]);
/* Get criterion minimum and maximum values (row[5], row[6]) */
for (ValueRange = (RubCri_ValueRange_t) 0;
ValueRange <= (RubCri_ValueRange_t) (RubCri_NUM_VALUES - 1);
ValueRange++)
Criterion->Values[ValueRange] = Str_GetDoubleFromStr (row[5 + ValueRange]);
/* Get criterion weight (row[7]) */
Criterion->Weight = Str_GetDoubleFromStr (row[5 + RubCri_NUM_VALUES]);
/* Get the title of the criterion (row[8]) */
Str_Copy (Criterion->Title,row[5 + RubCri_NUM_VALUES + 1],sizeof (Criterion->Title) - 1);
}
/*****************************************************************************/
/*********************** Get source from database string *********************/
/*****************************************************************************/
RubCri_Source_t RubCri_GetSourceFromDBStr (const char *SourceDBStr)
{
RubCri_Source_t Source;
for (Source = (RubCri_Source_t) 0;
Source <= (RubCri_Source_t) (RubCri_NUM_SOURCES - 1);
Source++)
if (!strcmp (RubCri_GetDBStrFromSource (Source),SourceDBStr))
return Source;
return RubCri_SOURCE_DEFAULT;
}
/*****************************************************************************/
/*********************** Get database string from source *********************/
/*****************************************************************************/
const char *RubCri_GetDBStrFromSource (RubCri_Source_t Source)
{
static const char *RubCri_SourceDB[RubCri_NUM_SOURCES] =
{
[RubCri_FROM_TEACHER ] = "teacher",
[RubCri_FROM_ANOTHER_RUBRIC] = "rubric",
[RubCri_FROM_EXAM_PRINT ] = "exam",
[RubCri_FROM_GAME_MATCH ] = "game",
};
if (Source >= RubCri_NUM_SOURCES)
Source = RubCri_SOURCE_DEFAULT;
return RubCri_SourceDB[Source];
}
/*****************************************************************************/
/****************** Put table heading for rubric criteria ********************/
/*****************************************************************************/
static void RubCri_PutTableHeadingForCriteria (void)
{
extern const char *Txt_No_INDEX;
extern const char *Txt_Criterion;
extern const char *Txt_Minimum;
extern const char *Txt_Maximum;
extern const char *Txt_Weight;
/***** Begin row *****/
HTM_TR_Begin (NULL);
/***** Header cells *****/
HTM_TH_Empty (1);
HTM_TH (Txt_No_INDEX ,HTM_HEAD_RIGHT);
HTM_TH (Txt_Criterion,HTM_HEAD_LEFT );
HTM_TH (Txt_Minimum ,HTM_HEAD_RIGHT);
HTM_TH (Txt_Maximum ,HTM_HEAD_RIGHT);
HTM_TH (Txt_Weight ,HTM_HEAD_RIGHT);
/***** End row *****/
HTM_TR_End ();
}
/*****************************************************************************/
/*************************** Reset rubric criterion **************************/
/*****************************************************************************/
void RubCri_ResetCriterion (struct RubCri_Criterion *Criterion)
{
// Default values minimum/maximum criterion values
static double RubCri_DefaultValues[RubCri_NUM_VALUES] =
{
[RubCri_MIN] = 0.0,
[RubCri_MAX] = 0.1,
};
RubCri_ValueRange_t ValueRange;
Criterion->RubCod = -1L;
Criterion->CriCod = -1L;
Criterion->CriInd = 0;
Criterion->Source = RubCri_SOURCE_DEFAULT;
Criterion->Cod = -1L;
for (ValueRange = (RubCri_ValueRange_t) 0;
ValueRange <= (RubCri_ValueRange_t) (RubCri_NUM_VALUES - 1);
ValueRange++)
Criterion->Values[ValueRange] = RubCri_DefaultValues[ValueRange];
Criterion->Weight = 1.0;
Criterion->Title[0] = '\0';
}
/*****************************************************************************/
/***************** Request the removal of a rubric criterion *****************/
/*****************************************************************************/
void RubCri_ReqRemCriterion (void)
{
extern const char *Txt_Do_you_really_want_to_remove_the_criterion_X;
extern const char *Txt_Remove_criterion;
struct Rub_Rubrics Rubrics;
struct RubCri_Criterion Criterion;
/***** Reset rubrics context *****/
Rub_ResetRubrics (&Rubrics);
Rub_ResetRubric (&Rubrics.Rubric);
RubCri_ResetCriterion (&Criterion);
/***** Get and check parameters *****/
RubCri_GetAndCheckPars (&Rubrics,&Criterion);
/***** Check if rubric is editable *****/
if (!Rub_CheckIfEditable (&Rubrics.Rubric))
Err_NoPermissionExit ();
/***** Show question and button to remove question *****/
Ale_ShowAlertAndButton (ActRemRubCri,NULL,NULL,
RubCri_PutParsOneCriterion,&Rubrics,
Btn_REMOVE_BUTTON,Txt_Remove_criterion,
Ale_QUESTION,Txt_Do_you_really_want_to_remove_the_criterion_X,
Criterion.Title);
/***** Show current rubric and its criteria *****/
Rub_PutFormsOneRubric (&Rubrics,&Criterion,
false); // It's not a new rubric
}
/*****************************************************************************/
/************************* Remove a rubric criterion *************************/
/*****************************************************************************/
void RubCri_RemoveCriterion (void)
{
extern const char *Txt_Criterion_removed;
struct Rub_Rubrics Rubrics;
struct RubCri_Criterion Criterion;
/***** Reset rubrics context *****/
Rub_ResetRubrics (&Rubrics);
Rub_ResetRubric (&Rubrics.Rubric);
RubCri_ResetCriterion (&Criterion);
/***** Get and check parameters *****/
RubCri_GetAndCheckPars (&Rubrics,&Criterion);
/***** Check if rubric is editable *****/
if (!Rub_CheckIfEditable (&Rubrics.Rubric))
Err_NoPermissionExit ();
/***** Remove the criterion from all tables *****/
/* Remove questions associated to criterion */
// Exa_DB_RemoveAllSetQuestionsFromSet (Criterion.CriCod,Criterion.RubCod);
/* Remove the criterion itself */
Rub_DB_RemoveCriterionFromRubric (Criterion.CriCod,Criterion.RubCod);
/* Change indexes of criteria greater than this */
Rub_DB_UpdateCriteriaIndexesInRubricGreaterThan (Criterion.RubCod,Criterion.CriInd);
/***** Write message *****/
Ale_ShowAlert (Ale_SUCCESS,Txt_Criterion_removed);
/***** Show current rubric and its criteria *****/
Rub_PutFormsOneRubric (&Rubrics,&Criterion,
false); // It's not a new rubric
}
/*****************************************************************************/
/*************** Move up position of a criterion in a rubric *****************/
/*****************************************************************************/
void RubCri_MoveUpCriterion (void)
{
extern const char *Txt_Movement_not_allowed;
struct Rub_Rubrics Rubrics;
struct RubCri_Criterion Criterion;
unsigned CriIndTop;
unsigned CriIndBottom;
/***** Reset rubrics context *****/
Rub_ResetRubrics (&Rubrics);
Rub_ResetRubric (&Rubrics.Rubric);
RubCri_ResetCriterion (&Criterion);
/***** Get and check parameters *****/
RubCri_GetAndCheckPars (&Rubrics,&Criterion);
/***** Check if rubric is editable *****/
if (!Rub_CheckIfEditable (&Rubrics.Rubric))
Err_NoPermissionExit ();
/***** Get criterion index *****/
CriIndBottom = Rub_DB_GetCriIndFromCriCod (Rubrics.Rubric.RubCod,Criterion.CriCod);
/***** Move up criterion *****/
if (CriIndBottom > 1)
{
/* Indexes of criteria to be exchanged */
CriIndTop = Rub_DB_GetPrevCriterionIndexInRubric (Rubrics.Rubric.RubCod,CriIndBottom);
if (CriIndTop == 0)
Err_ShowErrorAndExit ("Wrong criterion index.");
/* Exchange criteria */
RubCri_ExchangeCriteria (Rubrics.Rubric.RubCod,CriIndTop,CriIndBottom);
}
else
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
/***** Show current rubric and its criteria *****/
Rub_PutFormsOneRubric (&Rubrics,&Criterion,
false); // It's not a new rubric
}
/*****************************************************************************/
/************** Move down position of a criterion in a rubric ****************/
/*****************************************************************************/
void RubCri_MoveDownCriterion (void)
{
extern const char *Txt_Movement_not_allowed;
struct Rub_Rubrics Rubrics;
struct RubCri_Criterion Criterion;
unsigned CriIndTop;
unsigned CriIndBottom;
unsigned MaxCriInd; // 0 if no criteria
/***** Reset rubrics context *****/
Rub_ResetRubrics (&Rubrics);
Rub_ResetRubric (&Rubrics.Rubric);
RubCri_ResetCriterion (&Criterion);
/***** Get and check parameters *****/
RubCri_GetAndCheckPars (&Rubrics,&Criterion);
/***** Check if rubric is editable *****/
if (!Rub_CheckIfEditable (&Rubrics.Rubric))
Err_NoPermissionExit ();
/***** Get criterion index *****/
CriIndTop = Rub_DB_GetCriIndFromCriCod (Rubrics.Rubric.RubCod,Criterion.CriCod);
/***** Get maximum criterion index *****/
MaxCriInd = Rub_DB_GetMaxCriterionIndexInRubric (Rubrics.Rubric.RubCod);
/***** Move down criterion *****/
if (CriIndTop < MaxCriInd)
{
/* Indexes of criteria to be exchanged */
CriIndBottom = Rub_DB_GetNextCriterionIndexInRubric (Rubrics.Rubric.RubCod,CriIndTop);
if (CriIndBottom == 0) // 0 means error reading from database
Err_ShowErrorAndExit ("Wrong criterion index.");
/* Exchange criteria */
RubCri_ExchangeCriteria (Rubrics.Rubric.RubCod,CriIndTop,CriIndBottom);
}
else
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
/***** Show current rubric and its criteria *****/
Rub_PutFormsOneRubric (&Rubrics,&Criterion,
false); // It's not a new trubric
}
/*****************************************************************************/
/************************** Get and check parameters *************************/
/*****************************************************************************/
static void RubCri_GetAndCheckPars (struct Rub_Rubrics *Rubrics,
struct RubCri_Criterion *Criterion)
{
/***** Get parameters *****/
Rub_GetPars (Rubrics,true);
Criterion->CriCod = ParCod_GetAndCheckPar (ParCod_Cri);
/***** Get rubric data from database *****/
Rub_GetRubricDataByCod (&Rubrics->Rubric);
if (Rubrics->Rubric.CrsCod != Gbl.Hierarchy.Crs.CrsCod)
Err_WrongRubricExit ();
/***** Get criterion data from database *****/
RubCri_GetCriterionDataByCod (Criterion);
if (Criterion->RubCod != Rubrics->Rubric.RubCod)
Err_WrongCriterionExit ();
Rubrics->CriCod = Criterion->CriCod;
}
/*****************************************************************************/
/******** Exchange the order of two consecutive criteria in a rubric *********/
/*****************************************************************************/
static void RubCri_ExchangeCriteria (long RubCod,
unsigned CriIndTop,unsigned CriIndBottom)
{
long CriCodTop;
long CriCodBottom;
/***** Lock table to make the move atomic *****/
Rub_DB_LockTable ();
/***** Get criterion codes of the sets to be moved *****/
CriCodTop = Rub_DB_GetCriCodFromCriInd (RubCod,CriIndTop );
CriCodBottom = Rub_DB_GetCriCodFromCriInd (RubCod,CriIndBottom);
/***** Exchange indexes of sets *****/
/*
Example:
CriIndTop = 1; CriCodTop = 218
CriIndBottom = 2; CriCodBottom = 220
Step 1 Step 2 Step 3
+--------+--------+ +--------+--------+ +--------+--------+ +--------+--------+
| CriInd | CriCod | | CriInd | CriCod | | CriInd | CriCod | | CriInd | CriCod |
+--------+--------+ +--------+--------+ +--------+--------+ +--------+--------+
| 1 | 218 |>| -2 | 218 |>| -2 | 218 |>| 2 | 218 |
| 2 | 220 | | 2 | 220 | | 1 | 220 | | 1 | 220 |
| 3 | 232 | | 3 | 232 | | 3 | 232 | | 3 | 232 |
+--------+--------+ +--------+--------+ +--------+--------+ +--------+--------+
*/
/* Step 1: change temporarily top index to minus bottom index
in order to not repeat unique index (RubCod,CriInd) */
Rub_DB_UpdateCriterionIndex (-((long) CriIndBottom),CriCodTop ,RubCod);
/* Step 2: change bottom index to old top index */
Rub_DB_UpdateCriterionIndex ( (long) CriIndTop ,CriCodBottom,RubCod);
/* Step 3: change top index to old bottom index */
Rub_DB_UpdateCriterionIndex ( (long) CriIndBottom ,CriCodTop ,RubCod);
/***** Unlock table *****/
DB_UnlockTables ();
}
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