File indexing completed on 2024-05-12 05:09:24

 /***************************************************************************
     Copyright (C) 2006-2009 Robby Stephenson <robby@periapsis.org>
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or         *
  *   modify it under the terms of the GNU General Public License as        *
  *   published by the Free Software Foundation; either version 2 of        *
  *   the License or (at your option) version 3 or any later version        *
  *   accepted by the membership of KDE e.V. (or its successor approved     *
  *   by the membership of KDE e.V.), which shall act as a proxy            *
  *   defined in Section 14 of version 3 of the license.                    *
  *                                                                         *
  *   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 General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  *                                                                         *
  ***************************************************************************/
 
 #include "addloans.h"
 #include "../document.h"
 #include "../entry.h"
 #include "../collection.h"
 #include "../controller.h"
 #include "../tellico_debug.h"
 
 #include <KLocalizedString>
 
 using Tellico::Command::AddLoans;
 
 AddLoans::AddLoans(Tellico::Data::BorrowerPtr borrower_, Tellico::Data::LoanList loans_, bool addToCalendar_)
     : QUndoCommand()
     , m_borrower(borrower_)
     , m_loans(loans_)
     , m_addedLoanField(false)
     , m_addToCalendar(addToCalendar_)
 {
   if(m_loans.isEmpty()) {
     myWarning() << "no loans!";
   } else {
     setText(m_loans.count() > 1 ? i18n("Check-out Items")
                                 : i18nc("Check-out (Entry Title)", "Check-out %1", m_loans[0]->entry()->title()));
   }
 }
 
 void AddLoans::redo() {
   if(!m_borrower || m_loans.isEmpty()) {
     return;
   }
 
   // if the borrower is empty, assume it's getting added, otherwise it's being modified
   // the collection actually does the real check in addBorrower
   bool wasEmpty = m_borrower->isEmpty();
 
   // if there's no loaned field, we'll add one
   bool loanExisted = m_loans[0]->entry()->collection()->hasField(QStringLiteral("loaned"));
   m_addedLoanField = false; // assume we didn't add the field yet
 
   // add the loans to the borrower
   foreach(Data::LoanPtr loan, m_loans) {
     m_borrower->addLoan(loan);
     Data::Document::self()->checkOutEntry(loan->entry());
     Controller::self()->modifiedEntries(Data::EntryList() << loan->entry());
   }
   if(!loanExisted) {
     Data::CollPtr c = m_loans[0]->entry()->collection();
     Data::FieldPtr f = c->fieldByName(QStringLiteral("loaned"));
     if(f) {
       // notify everything that a new field was added
       Controller::self()->addedField(c, f);
       m_addedLoanField = true;
     }
   }
   if(m_addToCalendar) {
     myWarning() << "Add to calendar not implemented";
   }
   if(wasEmpty) {
     m_loans[0]->entry()->collection()->addBorrower(m_borrower);
     Controller::self()->addedBorrower(m_borrower);
   } else {
     // don't have to do anything to the document, it just holds a pointer
     Controller::self()->modifiedBorrower(m_borrower);
   }
 }
 
 void AddLoans::undo() {
   if(!m_borrower) {
     return;
   }
 
   // remove the loans from the borrower
   foreach(Data::LoanPtr loan, m_loans) {
     m_borrower->removeLoan(loan);
     Data::Document::self()->checkInEntry(loan->entry());
     Controller::self()->modifiedEntries(Data::EntryList() << loan->entry());
   }
   if(m_addedLoanField) {
     Data::CollPtr c = m_loans[0]->entry()->collection();
     Data::FieldPtr f = c->fieldByName(QStringLiteral("loaned"));
     if(f) {
       c->removeField(f);
       Controller::self()->removedField(c, f);
     }
   }
   if(m_addToCalendar) {
     myWarning() << "Add to calendar not implemented";
   }
   // the borrower object is kept in the document, it's just empty
   // it won't get saved in the document file
   // here, just notify everybody that it changed
   Controller::self()->modifiedBorrower(m_borrower);
 }