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1021 lines
35 KiB
C
1021 lines
35 KiB
C
// swad_program_resource.c: course program (resources)
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2023 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#define _GNU_SOURCE // For asprintf
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#include <mysql/mysql.h> // To access MySQL databases
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#include <stdio.h> // For asprintf
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#include "swad_action_list.h"
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#include "swad_alert.h"
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#include "swad_box.h"
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#include "swad_button.h"
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#include "swad_error.h"
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#include "swad_form.h"
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#include "swad_global.h"
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#include "swad_parameter.h"
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#include "swad_parameter_code.h"
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#include "swad_program.h"
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#include "swad_program_database.h"
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#include "swad_resource_database.h"
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/******************************* Private types *******************************/
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/*****************************************************************************/
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#define PrgRsc_NUM_MOVEMENTS_UP_DOWN 2
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typedef enum
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{
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PrgRsc_MOVE_UP,
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PrgRsc_MOVE_DOWN,
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} PrgRsc_MoveUpDown_t;
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/*****************************************************************************/
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/***************************** Private variables *****************************/
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/*****************************************************************************/
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static const char *PrgRsc_RESOURCE_SECTION_ID = "rsc_section";
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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static void PrgRsc_PutIconsViewResources (void *ItmCod);
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static void PrgRsc_PutIconsEditResources (void *ItmCod);
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static void PrgRsc_GetResourceDataFromRow (MYSQL_RES *mysql_res,
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struct Prg_Item *Item);
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static void PrgRsc_WriteRowViewResource (unsigned NumRsc,
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const struct Prg_Item *Item);
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static void PrgRsc_WriteRowEditResource (unsigned NumRsc,unsigned NumResources,
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struct Prg_Item *Item,bool EditLink);
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static void PrgRsc_WriteRowNewResource (unsigned NumResources,
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struct Prg_Item *Item,bool EditLink);
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static void PrgRsc_PutFormsToRemEditOneResource (struct Prg_Item *Item,
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unsigned NumRsc,
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unsigned NumResources);
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static void PrgRsc_PutParRscCod (void *RscCod);
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static void PrgRsc_HideOrUnhideResource (bool Hide);
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static void PrgRsc_MoveUpDownResource (PrgRsc_MoveUpDown_t UpDown);
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static bool PrgRsc_ExchangeResources (const struct Prg_ResourceHierarchy *Rsc1,
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const struct Prg_ResourceHierarchy *Rsc2);
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static void PrgRsc_ShowClipboard (void);
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static void PrgRsc_ShowClipboardToChangeLink (struct Prg_Item *Item);
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/*****************************************************************************/
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/****************************** View resources *******************************/
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/*****************************************************************************/
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void PrgRsc_ViewResourcesAfterEdit (void)
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{
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struct Prg_Item Item;
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/***** Get list of program items *****/
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Prg_GetListItems ();
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/***** Get program item *****/
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Prg_GetPars (&Item);
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/***** Show current program items, if any *****/
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Prg_ShowAllItems (Prg_END_EDIT_RES,Item.Hierarchy.ItmCod,-1L);
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/***** Free list of program items *****/
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Prg_FreeListItems ();
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}
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/*****************************************************************************/
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/****************************** Edit resources *******************************/
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/*****************************************************************************/
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void PrgRsc_EditResources (void)
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{
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struct Prg_Item Item;
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/***** Get list of program items *****/
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Prg_GetListItems ();
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/***** Get program item *****/
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Prg_GetPars (&Item);
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/***** Show current program items, if any *****/
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Prg_ShowAllItems (Prg_EDIT_RESOURCES,Item.Hierarchy.ItmCod,-1L);
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/***** Free list of program items *****/
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Prg_FreeListItems ();
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}
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/*****************************************************************************/
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/****************************** List resources *******************************/
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/*****************************************************************************/
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void PrgRsc_ListItemResources (Prg_ListingType_t ListingType,
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struct Prg_Item *Item,
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long SelectedItmCod,
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long SelectedRscCod)
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{
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extern const char *Hlp_COURSE_Program;
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extern const char *Txt_Remove_resource;
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extern const char *Txt_Resources_of_X;
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MYSQL_RES *mysql_res;
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unsigned NumRsc;
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unsigned NumResources;
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bool EditingResourcesOfThisItem;
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char *Title;
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static bool Editing[Prg_NUM_LISTING_TYPES] =
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{
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[Prg_PRINT ] = false,
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[Prg_VIEW ] = false,
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[Prg_EDIT_ITEMS ] = true,
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[Prg_FORM_NEW_END_ITEM ] = true,
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[Prg_FORM_NEW_CHILD_ITEM ] = true,
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[Prg_FORM_EDIT_ITEM ] = true,
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[Prg_END_EDIT_ITEM ] = true,
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[Prg_RECEIVE_ITEM ] = true,
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[Prg_EDIT_RESOURCES ] = true,
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[Prg_EDIT_RESOURCE_LINK ] = true,
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[Prg_CHANGE_RESOURCE_LINK] = true,
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[Prg_END_EDIT_RES ] = true,
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};
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static bool EditingResources[Prg_NUM_LISTING_TYPES] =
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{
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[Prg_PRINT ] = false,
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[Prg_VIEW ] = false,
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[Prg_EDIT_ITEMS ] = false,
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[Prg_FORM_NEW_END_ITEM ] = false,
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[Prg_FORM_NEW_CHILD_ITEM ] = false,
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[Prg_FORM_EDIT_ITEM ] = false,
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[Prg_END_EDIT_ITEM ] = false,
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[Prg_RECEIVE_ITEM ] = false,
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[Prg_EDIT_RESOURCES ] = true,
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[Prg_EDIT_RESOURCE_LINK ] = true,
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[Prg_CHANGE_RESOURCE_LINK] = true,
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[Prg_END_EDIT_RES ] = false,
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};
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/***** Trivial check *****/
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if (Item->Hierarchy.ItmCod <= 0)
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return;
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/***** Get list of item resources from database *****/
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NumResources = Prg_DB_GetListResources (&mysql_res,Item->Hierarchy.ItmCod,
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EditingResources[ListingType]);
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if (NumResources || Editing[ListingType])
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{
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if (Item->Hierarchy.ItmCod == SelectedItmCod)
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{
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/***** Begin section *****/
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HTM_SECTION_Begin (PrgRsc_RESOURCE_SECTION_ID);
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/***** Show possible alerts *****/
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if (Gbl.Action.Act == ActReqRemPrgRsc)
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/* Alert with button to remove resource */
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Ale_ShowLastAlertAndButton (ActRemPrgRsc,PrgRsc_RESOURCE_SECTION_ID,NULL,
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PrgRsc_PutParRscCod,&SelectedRscCod,
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Btn_REMOVE_BUTTON,Txt_Remove_resource);
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else
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Ale_ShowAlerts (PrgRsc_RESOURCE_SECTION_ID);
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}
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/***** Begin box *****/
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EditingResourcesOfThisItem = EditingResources[ListingType] &&
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(Item->Hierarchy.ItmCod == SelectedItmCod);
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if (Editing[ListingType])
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{
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if (asprintf (&Title,Txt_Resources_of_X,Item->Title) < 0)
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Err_NotEnoughMemoryExit ();
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Box_BoxBegin ("100%",Title,
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EditingResourcesOfThisItem ? PrgRsc_PutIconsViewResources :
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PrgRsc_PutIconsEditResources,
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&Item->Hierarchy.ItmCod,
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Hlp_COURSE_Program,Box_NOT_CLOSABLE);
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free (Title);
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}
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else
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Box_BoxBegin ("100%",NULL,
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NULL,NULL,
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NULL,Box_NOT_CLOSABLE);
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/***** Table *****/
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HTM_TABLE_BeginWidePadding (2);
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HTM_TBODY_Begin (NULL);
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/***** Write all item resources *****/
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for (NumRsc = 0, The_ResetRowColor1 (1);
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NumRsc < NumResources;
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NumRsc++, The_ChangeRowColor1 (1))
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{
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/* Get data of this item resource */
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PrgRsc_GetResourceDataFromRow (mysql_res,Item);
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/* Show item */
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if (EditingResourcesOfThisItem)
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PrgRsc_WriteRowEditResource (NumRsc,NumResources,Item,
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(ListingType == Prg_EDIT_RESOURCE_LINK &&
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Item->Resource.Hierarchy.RscCod == SelectedRscCod)); // Edit this link?
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else
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PrgRsc_WriteRowViewResource (NumRsc,Item);
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}
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/***** Form to create a new resource *****/
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if (EditingResourcesOfThisItem)
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{
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Prg_ResetResource (Item);
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PrgRsc_WriteRowNewResource (NumResources,Item,
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(ListingType == Prg_EDIT_RESOURCE_LINK &&
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Item->Resource.Hierarchy.RscCod == SelectedRscCod)); // Edit this link?
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}
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/***** End table *****/
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HTM_TBODY_End ();
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HTM_TABLE_End ();
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/***** End box *****/
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Box_BoxEnd ();
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/***** End section *****/
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if (Item->Hierarchy.ItmCod == SelectedItmCod)
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HTM_SECTION_End ();
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}
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/***** Free structure that stores the query result *****/
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DB_FreeMySQLResult (&mysql_res);
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}
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/*****************************************************************************/
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/************** Put contextual icons in list of item resources ***************/
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/*****************************************************************************/
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static void PrgRsc_PutIconsViewResources (void *ItmCod)
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{
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/***** Put icon to create a new item resource *****/
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if (ItmCod)
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if (*(long *) ItmCod > 0)
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if (Prg_CheckIfICanEditProgram ())
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Ico_PutContextualIconToView (ActFrmSeePrgRsc,PrgRsc_RESOURCE_SECTION_ID,
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Prg_PutParItmCod,ItmCod);
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}
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static void PrgRsc_PutIconsEditResources (void *ItmCod)
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{
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/***** Put icon to create a new item resource *****/
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if (ItmCod)
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if (*(long *) ItmCod > 0)
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if (Prg_CheckIfICanEditProgram ())
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Ico_PutContextualIconToEdit (ActFrmEdiPrgRsc,PrgRsc_RESOURCE_SECTION_ID,
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Prg_PutParItmCod,ItmCod);
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}
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/*****************************************************************************/
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/****************** Get item resource data using its code ********************/
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/*****************************************************************************/
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void PrgRsc_GetResourceDataByCod (struct Prg_Item *Item)
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{
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MYSQL_RES *mysql_res;
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if (Item->Resource.Hierarchy.RscCod > 0)
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{
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/***** Get data of item resource *****/
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if (Prg_DB_GetResourceDataByCod (&mysql_res,Item->Resource.Hierarchy.RscCod))
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PrgRsc_GetResourceDataFromRow (mysql_res,Item);
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else
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Prg_ResetItem (Item);
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/***** Free structure that stores the query result *****/
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DB_FreeMySQLResult (&mysql_res);
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}
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else
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/***** Clear all item resource data *****/
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Prg_ResetItem (Item);
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}
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/*****************************************************************************/
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/************************* Get item resource data ****************************/
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/*****************************************************************************/
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static void PrgRsc_GetResourceDataFromRow (MYSQL_RES *mysql_res,
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struct Prg_Item *Item)
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{
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MYSQL_ROW row;
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/***** Get row *****/
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row = mysql_fetch_row (mysql_res);
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/*
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ItmCod row[0]
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RscCod row[1]
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RscInd row[2]
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Hidden row[3]
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Type row[4]
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Cod row[5]
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Title row[6]
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*/
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/***** Get code of the program item (row[0]) *****/
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Item->Hierarchy.ItmCod = Str_ConvertStrCodToLongCod (row[0]);
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/***** Get code and index of the item resource (row[1], row[2]) *****/
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Item->Resource.Hierarchy.RscCod = Str_ConvertStrCodToLongCod (row[1]);
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Item->Resource.Hierarchy.RscInd = Str_ConvertStrToUnsigned (row[2]);
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/***** Get whether the program item is hidden (row(3)) *****/
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Item->Resource.Hierarchy.Hidden = (row[3][0] == 'Y');
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/***** Get link type and code (row[4], row[5]) *****/
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Item->Resource.Link.Type = Rsc_GetTypeFromString (row[4]);
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Item->Resource.Link.Cod = Str_ConvertStrCodToLongCod (row[5]);
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/***** Get the title of the item resource (row[6]) *****/
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Str_Copy (Item->Resource.Title,row[6],sizeof (Item->Resource.Title) - 1);
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}
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/*****************************************************************************/
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/************************** Show one item resource ***************************/
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/*****************************************************************************/
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static void PrgRsc_WriteRowViewResource (unsigned NumRsc,
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const struct Prg_Item *Item)
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{
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extern const char *Rsc_ResourceTypesIcons[Rsc_NUM_TYPES];
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extern const char *Txt_RESOURCE_TYPES[Rsc_NUM_TYPES];
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/***** Begin row *****/
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HTM_TR_Begin (NULL);
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/***** Resource number *****/
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HTM_TD_Begin ("class=\"PRG_NUM PRG_RSC_%s RT %s\"",
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The_GetSuffix (),The_GetColorRows1 (1));
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HTM_Unsigned (NumRsc + 1);
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HTM_TD_End ();
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/***** Title *****/
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HTM_TD_Begin ("class=\"PRG_MAIN LT PRG_RSC_%s %s\"",
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The_GetSuffix (),The_GetColorRows1 (1));
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HTM_Txt (Item->Resource.Title);
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HTM_BR ();
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Rsc_WriteLinkName (&Item->Resource.Link,
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true, // Put form
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Rsc_ResourceTypesIcons[Item->Resource.Link.Type],
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Txt_RESOURCE_TYPES[Item->Resource.Link.Type]);
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HTM_TD_End ();
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/***** End row *****/
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HTM_TR_End ();
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}
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/*****************************************************************************/
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/************************** Edit one item resource ***************************/
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/*****************************************************************************/
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static void PrgRsc_WriteRowEditResource (unsigned NumRsc,unsigned NumResources,
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struct Prg_Item *Item,bool EditLink)
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{
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extern const char *Rsc_ResourceTypesIcons[Rsc_NUM_TYPES];
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extern const char *Txt_RESOURCE_TYPES[Rsc_NUM_TYPES];
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/***** Begin row *****/
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HTM_TR_Begin (NULL);
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/***** Forms to remove/edit this item resource *****/
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HTM_TD_Begin ("class=\"PRG_RSC_COL1 LT %s\"",The_GetColorRows1 (1));
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PrgRsc_PutFormsToRemEditOneResource (Item,NumRsc,NumResources);
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HTM_TD_End ();
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/***** Resource number *****/
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HTM_TD_Begin ("class=\"PRG_NUM LT PRG_RSC_%s RT %s\"",
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The_GetSuffix (),The_GetColorRows1 (1));
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HTM_Unsigned (NumRsc + 1);
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HTM_TD_End ();
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/***** Title and link/clipboard *****/
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HTM_TD_Begin ("class=\"PRG_MAIN LT PRG_RSC_%s %s\"",
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The_GetSuffix (),The_GetColorRows1 (1));
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/* Title */
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Frm_BeginFormAnchor (ActRenPrgRsc,PrgRsc_RESOURCE_SECTION_ID);
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ParCod_PutPar (ParCod_Rsc,Item->Resource.Hierarchy.RscCod);
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HTM_INPUT_TEXT ("Title",Rsc_MAX_CHARS_RESOURCE_TITLE,Item->Resource.Title,
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HTM_SUBMIT_ON_CHANGE,
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"class=\"PRG_RSC_INPUT INPUT_%s\"",
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The_GetSuffix ());
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Frm_EndForm ();
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HTM_BR ();
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/* Edit link showing clipboard / Show current link */
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if (EditLink)
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/* Show clipboard to change resource link */
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PrgRsc_ShowClipboardToChangeLink (Item);
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else
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/* Show current link */
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Rsc_WriteLinkName (&Item->Resource.Link,
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true, // Put form
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Rsc_ResourceTypesIcons[Item->Resource.Link.Type],
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Txt_RESOURCE_TYPES[Item->Resource.Link.Type]);
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HTM_TD_End ();
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/***** End row *****/
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HTM_TR_End ();
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}
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/*****************************************************************************/
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/************************* Edit a new item resource **************************/
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/*****************************************************************************/
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static void PrgRsc_WriteRowNewResource (unsigned NumResources,
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struct Prg_Item *Item,bool EditLink)
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{
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extern const char *Txt_New_resource;
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/***** Begin row *****/
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HTM_TR_Begin (NULL);
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/***** Forms to remove/edit this item resource *****/
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HTM_TD_Begin ("class=\"PRG_RSC_COL1 LT %s\"",The_GetColorRows1 (1));
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PrgRsc_PutFormsToRemEditOneResource (Item,NumResources,NumResources);
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HTM_TD_End ();
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/***** Resource number *****/
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HTM_TD_Begin ("class=\"PRG_NUM PRG_RSC_%s RT %s\"",
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The_GetSuffix (),The_GetColorRows1 (1));
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HTM_Unsigned (NumResources + 1);
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HTM_TD_End ();
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/***** Title and link/clipboard *****/
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HTM_TD_Begin ("class=\"PRG_MAIN LT %s\"",The_GetColorRows1 (1));
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/* Title */
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Frm_BeginFormAnchor (ActNewPrgRsc,PrgRsc_RESOURCE_SECTION_ID);
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ParCod_PutPar (ParCod_Itm,Item->Hierarchy.ItmCod);
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HTM_INPUT_TEXT ("Title",Rsc_MAX_CHARS_RESOURCE_TITLE,"",
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HTM_SUBMIT_ON_CHANGE,
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"placeholder=\"%s\""
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" class=\"PRG_RSC_INPUT INPUT_%s\"",
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Txt_New_resource,
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The_GetSuffix ());
|
|
Frm_EndForm ();
|
|
|
|
/* Edit link showing clipboard? */
|
|
if (EditLink)
|
|
{
|
|
HTM_BR ();
|
|
|
|
/* Show clipboard to change resource link */
|
|
PrgRsc_ShowClipboardToChangeLink (Item);
|
|
}
|
|
|
|
HTM_TD_End ();
|
|
|
|
/***** End row *****/
|
|
HTM_TR_End ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Put a link (form) to edit one program item *****************/
|
|
/*****************************************************************************/
|
|
|
|
static void PrgRsc_PutFormsToRemEditOneResource (struct Prg_Item *Item,
|
|
unsigned NumRsc,
|
|
unsigned NumResources)
|
|
{
|
|
static Act_Action_t ActionHideUnhide[2] =
|
|
{
|
|
[false] = ActHidPrgRsc, // Visible ==> action to hide
|
|
[true ] = ActUnhPrgRsc, // Hidden ==> action to unhide
|
|
};
|
|
extern const char *Txt_Movement_not_allowed;
|
|
extern const char *Txt_Visible;
|
|
|
|
switch (Gbl.Usrs.Me.Role.Logged)
|
|
{
|
|
case Rol_TCH:
|
|
case Rol_SYS_ADM:
|
|
/***** Icon to remove item resource *****/
|
|
if (NumRsc < NumResources)
|
|
Ico_PutContextualIconToRemove (ActReqRemPrgRsc,PrgRsc_RESOURCE_SECTION_ID,
|
|
PrgRsc_PutParRscCod,&Item->Resource.Hierarchy.RscCod);
|
|
else
|
|
Ico_PutIconRemovalNotAllowed ();
|
|
|
|
/***** Icon to hide/unhide item resource *****/
|
|
if (NumRsc < NumResources)
|
|
Ico_PutContextualIconToHideUnhide (ActionHideUnhide,PrgRsc_RESOURCE_SECTION_ID,
|
|
PrgRsc_PutParRscCod,&Item->Resource.Hierarchy.RscCod,
|
|
Item->Resource.Hierarchy.Hidden);
|
|
else
|
|
Ico_PutIconOff ("eye.svg",Ico_GREEN,Txt_Visible);
|
|
|
|
/***** Put icon to edit the item resource *****/
|
|
if (NumRsc < NumResources)
|
|
Ico_PutContextualIconToEdit (ActFrmChgLnkPrgRsc,PrgRsc_RESOURCE_SECTION_ID,
|
|
PrgRsc_PutParRscCod,&Item->Resource.Hierarchy.RscCod);
|
|
else
|
|
Ico_PutContextualIconToEdit (ActFrmChgLnkPrgRsc,PrgRsc_RESOURCE_SECTION_ID,
|
|
Prg_PutParItmCod,&Item->Hierarchy.ItmCod);
|
|
|
|
/***** Icon to move up the item resource *****/
|
|
if (NumRsc > 0 && NumRsc < NumResources)
|
|
Lay_PutContextualLinkOnlyIcon (ActUp_PrgRsc,PrgRsc_RESOURCE_SECTION_ID,
|
|
PrgRsc_PutParRscCod,&Item->Resource.Hierarchy.RscCod,
|
|
"arrow-up.svg",Ico_BLACK);
|
|
else
|
|
Ico_PutIconOff ("arrow-up.svg",Ico_BLACK,Txt_Movement_not_allowed);
|
|
|
|
/***** Put icon to move down the item resource *****/
|
|
if (NumRsc < NumResources - 1)
|
|
Lay_PutContextualLinkOnlyIcon (ActDwnPrgRsc,PrgRsc_RESOURCE_SECTION_ID,
|
|
PrgRsc_PutParRscCod,&Item->Resource.Hierarchy.RscCod,
|
|
"arrow-down.svg",Ico_BLACK);
|
|
else
|
|
Ico_PutIconOff ("arrow-down.svg",Ico_BLACK,Txt_Movement_not_allowed);
|
|
break;
|
|
case Rol_STD:
|
|
case Rol_NET:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Param used to edit a recource ************************/
|
|
/*****************************************************************************/
|
|
|
|
static void PrgRsc_PutParRscCod (void *RscCod)
|
|
{
|
|
if (RscCod)
|
|
ParCod_PutPar (ParCod_Rsc,*((long *) RscCod));
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************************** Rename resource ****************************/
|
|
/*****************************************************************************/
|
|
|
|
void PrgRsc_CreateResource (void)
|
|
{
|
|
struct Prg_Item Item;
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListItems ();
|
|
|
|
/***** Get parameters *****/
|
|
/* Get program item */
|
|
Prg_GetPars (&Item);
|
|
|
|
/* Get the new title for the new resource */
|
|
Par_GetParText ("Title",Item.Resource.Title,Rsc_MAX_BYTES_RESOURCE_TITLE);
|
|
|
|
/***** Create resource *****/
|
|
Item.Resource.Hierarchy.RscCod = Prg_DB_CreateResource (&Item);
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_EDIT_RESOURCES,Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscCod);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************************** Rename resource ****************************/
|
|
/*****************************************************************************/
|
|
|
|
void PrgRsc_RenameResource (void)
|
|
{
|
|
struct Prg_Item Item;
|
|
char NewTitle[Rsc_MAX_BYTES_RESOURCE_TITLE + 1];
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListItems ();
|
|
|
|
/***** Get program item and resource *****/
|
|
Prg_GetPars (&Item);
|
|
if (Item.Hierarchy.ItmCod <= 0)
|
|
Err_WrongResourceExit ();
|
|
|
|
/***** Rename resource *****/
|
|
/* Get the new title for the resource */
|
|
Par_GetParText ("Title",NewTitle,Rsc_MAX_BYTES_RESOURCE_TITLE);
|
|
|
|
/* Update database changing old title by new title */
|
|
Prg_DB_UpdateResourceTitle (Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscCod,NewTitle);
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_EDIT_RESOURCES,Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscCod);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************ Ask for confirmation of removing an item resource **************/
|
|
/*****************************************************************************/
|
|
|
|
void PrgRsc_ReqRemResource (void)
|
|
{
|
|
extern const char *Txt_Do_you_really_want_to_remove_the_resource_X;
|
|
struct Prg_Item Item;
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListItems ();
|
|
|
|
/***** Get program item and resource *****/
|
|
Prg_GetPars (&Item);
|
|
if (Item.Hierarchy.ItmCod <= 0)
|
|
Err_WrongResourceExit ();
|
|
|
|
/***** Create alert to remove the item resource *****/
|
|
Ale_CreateAlert (Ale_QUESTION,PrgRsc_RESOURCE_SECTION_ID,
|
|
Txt_Do_you_really_want_to_remove_the_resource_X,
|
|
Item.Resource.Title);
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_EDIT_RESOURCES,Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscCod);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************************** Remove an item resource ************************/
|
|
/*****************************************************************************/
|
|
|
|
void PrgRsc_RemoveResource (void)
|
|
{
|
|
extern const char *Txt_Resource_X_removed;
|
|
struct Prg_Item Item;
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListItems ();
|
|
|
|
/***** Get data of the item resource from database *****/
|
|
Prg_GetPars (&Item);
|
|
if (Item.Hierarchy.ItmCod <= 0)
|
|
Err_WrongResourceExit ();
|
|
|
|
/***** Remove resource *****/
|
|
Prg_DB_RemoveResource (&Item);
|
|
|
|
/***** Create alert to remove the item resource *****/
|
|
Ale_CreateAlert (Ale_SUCCESS,PrgRsc_RESOURCE_SECTION_ID,
|
|
Txt_Resource_X_removed,Item.Resource.Title);
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_EDIT_RESOURCES,Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscCod);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Hide a program item ***************************/
|
|
/*****************************************************************************/
|
|
|
|
void PrgRsc_HideResource (void)
|
|
{
|
|
PrgRsc_HideOrUnhideResource (true);
|
|
}
|
|
|
|
void PrgRsc_UnhideResource (void)
|
|
{
|
|
PrgRsc_HideOrUnhideResource (false);
|
|
}
|
|
|
|
static void PrgRsc_HideOrUnhideResource (bool Hide)
|
|
{
|
|
struct Prg_Item Item;
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListItems ();
|
|
|
|
/***** Get program item and resource *****/
|
|
Prg_GetPars (&Item);
|
|
if (Item.Hierarchy.ItmCod <= 0)
|
|
Err_WrongResourceExit ();
|
|
|
|
/***** Hide/unhide item resource *****/
|
|
Prg_DB_HideOrUnhideResource (Item.Resource.Hierarchy.RscCod,Hide);
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_EDIT_RESOURCES,Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscCod);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************************** Move up/down resource **************************/
|
|
/*****************************************************************************/
|
|
|
|
void PrgRsc_MoveUpResource (void)
|
|
{
|
|
PrgRsc_MoveUpDownResource (PrgRsc_MOVE_UP);
|
|
}
|
|
|
|
void PrgRsc_MoveDownResource (void)
|
|
{
|
|
PrgRsc_MoveUpDownResource (PrgRsc_MOVE_DOWN);
|
|
}
|
|
|
|
static void PrgRsc_MoveUpDownResource (PrgRsc_MoveUpDown_t UpDown)
|
|
{
|
|
extern const char *Txt_Movement_not_allowed;
|
|
struct Prg_Item Item;
|
|
struct Prg_ResourceHierarchy Rsc2;
|
|
bool Success = false;
|
|
static unsigned (*GetOtherRscInd[PrgRsc_NUM_MOVEMENTS_UP_DOWN])(long ItmCod,unsigned RscInd) =
|
|
{
|
|
[PrgRsc_MOVE_UP ] = Prg_DB_GetRscIndBefore,
|
|
[PrgRsc_MOVE_DOWN] = Prg_DB_GetRscIndAfter,
|
|
};
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListItems ();
|
|
|
|
/***** Get program item and resource *****/
|
|
Prg_GetPars (&Item);
|
|
if (Item.Hierarchy.ItmCod <= 0)
|
|
Err_WrongResourceExit ();
|
|
|
|
/***** Move up/down resource *****/
|
|
if ((Rsc2.RscInd = GetOtherRscInd[UpDown] (Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscInd))) // 0 ==> movement not allowed
|
|
{
|
|
/* Get the other resource code */
|
|
Rsc2.RscCod = Prg_DB_GetRscCodFromRscInd (Item.Hierarchy.ItmCod,Rsc2.RscInd);
|
|
|
|
/* Exchange subtrees */
|
|
Success = PrgRsc_ExchangeResources (&Item.Resource.Hierarchy,&Rsc2);
|
|
}
|
|
if (!Success)
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_EDIT_RESOURCES,Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscCod);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**** Exchange the order of two consecutive subtrees in a course program *****/
|
|
/*****************************************************************************/
|
|
// Return true if success
|
|
|
|
static bool PrgRsc_ExchangeResources (const struct Prg_ResourceHierarchy *Rsc1,
|
|
const struct Prg_ResourceHierarchy *Rsc2)
|
|
{
|
|
if (Rsc1->RscInd > 0 && // Indexes should be in the range [1, 2,...]
|
|
Rsc2->RscInd > 0)
|
|
{
|
|
/***** Lock table to make the move atomic *****/
|
|
Prg_DB_LockTableResources ();
|
|
|
|
/***** Exchange indexes of items *****/
|
|
// This implementation works with non continuous indexes
|
|
/*
|
|
Example:
|
|
Rsc1->Index = 5
|
|
Rsc2->Index = 17
|
|
Step 1 Step 2 Step 3 (Equivalent to)
|
|
+-------+-------+ +-------+-------+ +-------+-------+ +-------+-------+ +-------+-------+
|
|
| RscInd| RscCod| | RscInd| RscCod| | RscInd| RscCod| | RscInd| RscCod| | RscInd| RscCod|
|
|
+-------+-------+ +-------+-------+ +-------+-------+ +-------+-------+ +-------+-------+
|
|
| 5 | 218 | | 5 | 218 |-->|--> 17 | 218 | | 17 | 218 | | 5 | 240 |
|
|
| 17 | 240 |-->|-->-17 | 240 | | -17 | 240 |-->|--> 5 | 240 | | 17 | 218 |
|
|
+-------+-------+ +-------+-------+ +-------+-------+ +-------+-------+ +-------+-------+
|
|
*/
|
|
/* Step 1: Change second index to negative,
|
|
necessary to preserve unique index (ItmCod,RscInd) */
|
|
Prg_DB_UpdateRscInd (Rsc2->RscCod,-(int) Rsc2->RscInd);
|
|
|
|
/* Step 2: Change first index */
|
|
Prg_DB_UpdateRscInd (Rsc1->RscCod, (int) Rsc2->RscInd);
|
|
|
|
/* Step 3: Change second index */
|
|
Prg_DB_UpdateRscInd (Rsc2->RscCod, (int) Rsc1->RscInd);
|
|
|
|
/***** Unlock table *****/
|
|
DB_UnlockTables ();
|
|
|
|
return true; // Success
|
|
}
|
|
|
|
return false; // No success
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Show clipboard to change resource link ********************/
|
|
/*****************************************************************************/
|
|
|
|
void PrgRsc_ViewResourceClipboard (void)
|
|
{
|
|
/***** View resource clipboard *****/
|
|
PrgRsc_ShowClipboard ();
|
|
|
|
/***** Edit course program *****/
|
|
Prg_EditCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********** Edit program showing clipboard to change resource link ***********/
|
|
/*****************************************************************************/
|
|
|
|
void PrgRsc_EditProgramWithClipboard (void)
|
|
{
|
|
struct Prg_Item Item;
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListItems ();
|
|
|
|
/***** Get program item and resource *****/
|
|
Prg_GetPars (&Item);
|
|
if (Item.Hierarchy.ItmCod <= 0)
|
|
Err_WrongResourceExit ();
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_EDIT_RESOURCE_LINK,Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscCod);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************* Show resources clipboard **************************/
|
|
/*****************************************************************************/
|
|
|
|
static void PrgRsc_ShowClipboard (void)
|
|
{
|
|
extern const char *Hlp_COURSE_Program;
|
|
extern const char *Rsc_ResourceTypesIcons[Rsc_NUM_TYPES];
|
|
extern const char *Txt_Resource_clipboard;
|
|
extern const char *Txt_RESOURCE_TYPES[Rsc_NUM_TYPES];
|
|
MYSQL_RES *mysql_res;
|
|
unsigned NumLink;
|
|
unsigned NumLinks;
|
|
struct Rsc_Link Link;
|
|
|
|
Box_BoxBegin (NULL,Txt_Resource_clipboard,
|
|
// PrgRsc_PutIconsClipboard,NULL, // TODO: Icon to remove!!!!!!!!!!!!!
|
|
NULL,NULL,
|
|
Hlp_COURSE_Program,Box_CLOSABLE);
|
|
|
|
/***** Begin list *****/
|
|
HTM_UL_Begin ("class=\"PRG_CLIPBOARD\"");
|
|
|
|
/***** Get links in clipboard from database and write them *****/
|
|
NumLinks = Rsc_DB_GetClipboard (&mysql_res);
|
|
for (NumLink = 1;
|
|
NumLink <= NumLinks;
|
|
NumLink++)
|
|
{
|
|
Rsc_GetLinkDataFromRow (mysql_res,&Link);
|
|
HTM_LI_Begin ("class=\"PRG_RSC_%s\"",The_GetSuffix ());
|
|
Rsc_WriteLinkName (&Link,
|
|
true, // Put form to go
|
|
Rsc_ResourceTypesIcons[Link.Type],
|
|
Txt_RESOURCE_TYPES[Link.Type]);
|
|
HTM_LI_End ();
|
|
}
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
/***** End list *****/
|
|
HTM_UL_End ();
|
|
|
|
Box_BoxEnd ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Show clipboard to change resource link ********************/
|
|
/*****************************************************************************/
|
|
|
|
static void PrgRsc_ShowClipboardToChangeLink (struct Prg_Item *Item)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
unsigned NumLink;
|
|
unsigned NumLinks;
|
|
struct Rsc_Link Link;
|
|
static const struct Rsc_Link EmptyLink =
|
|
{
|
|
.Type = Rsc_NONE,
|
|
.Cod = -1L,
|
|
};
|
|
|
|
/***** Begin form *****/
|
|
Frm_BeginFormAnchor (ActChgLnkPrgRsc,PrgRsc_RESOURCE_SECTION_ID);
|
|
if (Item->Resource.Hierarchy.RscCod > 0)
|
|
ParCod_PutPar (ParCod_Rsc,Item->Resource.Hierarchy.RscCod);
|
|
else
|
|
/* No resource selected, so it's a new resource at the end of the item */
|
|
ParCod_PutPar (ParCod_Itm,Item->Hierarchy.ItmCod);
|
|
|
|
/***** Begin list *****/
|
|
HTM_UL_Begin ("class=\"PRG_CLIPBOARD\"");
|
|
|
|
/***** Current link (empty or not) *****/
|
|
Rsc_WriteRowClipboard (&Item->Resource.Link,
|
|
false, // Don't submit on click
|
|
true); // Checked
|
|
|
|
/***** Row with empty link to remove the current link *****/
|
|
if (Item->Resource.Link.Type != Rsc_NONE)
|
|
Rsc_WriteRowClipboard (&EmptyLink,
|
|
true, // Submit on click
|
|
false); // Not checked
|
|
|
|
/***** Get links in clipboard from database and write them *****/
|
|
NumLinks = Rsc_DB_GetClipboard (&mysql_res);
|
|
for (NumLink = 1;
|
|
NumLink <= NumLinks;
|
|
NumLink++)
|
|
{
|
|
Rsc_GetLinkDataFromRow (mysql_res,&Link);
|
|
Rsc_WriteRowClipboard (&Link,
|
|
true, // Submit on click
|
|
false); // Not checked
|
|
}
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
/***** End list *****/
|
|
HTM_UL_End ();
|
|
|
|
/***** End form *****/
|
|
Frm_EndForm ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Show clipboard to change resource link ********************/
|
|
/*****************************************************************************/
|
|
|
|
void PrgRsc_ChangeLink (void)
|
|
{
|
|
struct Prg_Item Item;
|
|
|
|
/***** Get list of program items *****/
|
|
Prg_GetListItems ();
|
|
|
|
/***** Get parameters *****/
|
|
/* Get program item and resource */
|
|
Prg_GetPars (&Item);
|
|
if (Item.Hierarchy.ItmCod <= 0)
|
|
Err_WrongResourceExit ();
|
|
|
|
/* Get link type and code */
|
|
if (Rsc_GetParLink (&Item.Resource.Link))
|
|
{
|
|
/***** Is it an existing resource? *****/
|
|
if (Item.Resource.Hierarchy.RscCod <= 0)
|
|
{
|
|
/* No resource selected, so it's a new resource at the end of the item */
|
|
/* Get the new title for the new resource from link title */
|
|
Rsc_GetResourceTitleFromLink (&Item.Resource.Link,
|
|
Item.Resource.Title);
|
|
|
|
/***** Create resource *****/
|
|
Item.Resource.Hierarchy.RscCod = Prg_DB_CreateResource (&Item);
|
|
}
|
|
|
|
/***** Update resource link *****/
|
|
Prg_DB_UpdateRscLink (&Item);
|
|
|
|
/***** Remove link from clipboard *****/
|
|
Rsc_DB_RemoveLinkFromClipboard (&Item.Resource.Link);
|
|
}
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems (Prg_EDIT_RESOURCE_LINK,Item.Hierarchy.ItmCod,Item.Resource.Hierarchy.RscCod);
|
|
|
|
/***** Free list of program items *****/
|
|
Prg_FreeListItems ();
|
|
}
|