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/***************************************************************************
copyright : (C) 2005-2006 by Robby Stephenson
email : robby@periapsis.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of version 2 of the GNU General Public License as *
* published by the Free Software Foundation; *
* *
***************************************************************************/
#include "addloans.h"
#include "../document.h"
#include "../entry.h"
#include "../collection.h"
#include "../controller.h"
#include "../calendarhandler.h"
#include "../tellico_debug.h"
#include <klocale.h>
using Tellico::Command::AddLoans;
AddLoans::AddLoans(Data::BorrowerPtr borrower_, Data::LoanVec loans_, bool addToCalendar_)
: KCommand()
, m_borrower(borrower_)
, m_loans(loans_)
, m_addedLoanField(false)
, m_addToCalendar(addToCalendar_)
{
}
void AddLoans::execute() {
if(!m_borrower || m_loans.isEmpty()) {
return;
}
// if the borrower is empty, assume it's getting added, otherwise it's being modified
bool wasEmpty = m_borrower->isEmpty();
// if there's no loaned field, we'll add one
bool loanExisted = m_loans.begin()->entry()->collection()->hasField(TQString::fromLatin1("loaned"));
m_addedLoanField = false; // assume we didn't add the field yet
// add the loans to the borrower
for(Data::LoanVec::Iterator loan = m_loans.begin(); loan != m_loans.end(); ++loan) {
m_borrower->addLoan(loan);
Data::Document::self()->checkOutEntry(loan->entry());
Data::EntryVec vec;
vec.append(loan->entry());
Controller::self()->modifiedEntries(vec);
}
if(!loanExisted) {
Data::CollPtr c = m_loans.begin()->entry()->collection();
Data::FieldPtr f = c->fieldByName(TQString::fromLatin1("loaned"));
if(f) {
// notify everything that a new field was added
Controller::self()->addedField(c, f);
m_addedLoanField = true;
}
}
if(m_addToCalendar) {
CalendarHandler::addLoans(m_loans);
}
if(wasEmpty) {
m_loans.begin()->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
myDebug() << "AddLoansCommand::execute() - modifying an existing borrower! " << endl;
Controller::self()->modifiedBorrower(m_borrower);
}
}
void AddLoans::unexecute() {
if(!m_borrower) {
return;
}
// remove the loans from the borrower
for(Data::LoanVec::Iterator loan = m_loans.begin(); loan != m_loans.end(); ++loan) {
m_borrower->removeLoan(loan);
Data::Document::self()->checkInEntry(loan->entry());
Data::EntryVec vec;
vec.append(loan->entry());
Controller::self()->modifiedEntries(vec);
}
if(m_addedLoanField) {
Data::CollPtr c = m_loans.begin()->entry()->collection();
Data::FieldPtr f = c->fieldByName(TQString::fromLatin1("loaned"));
if(f) {
c->removeField(f);
Controller::self()->removedField(c, f);
}
}
if(m_addToCalendar) {
CalendarHandler::removeLoans(m_loans);
}
// 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);
}
TQString AddLoans::name() const {
return m_loans.count() > 1 ? i18n("Check-out Items")
: i18n("Check-out (Entry Title)", "Check-out %1").arg(m_loans.begin()->entry()->title());
}
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