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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 "modifyentries.h"
#include "../collection.h"
#include "../controller.h"
#include "../tellico_debug.h"
#include <tdelocale.h>
using Tellico::Command::ModifyEntries;
ModifyEntries::ModifyEntries(Data::CollPtr coll_, const Data::EntryVec& oldEntries_, const Data::EntryVec& newEntries_)
: KCommand()
, m_coll(coll_)
, m_oldEntries(oldEntries_)
, m_entries(newEntries_)
, m_needToSwap(false)
{
#ifndef NDEBUG
if(m_oldEntries.count() != m_entries.count()) {
kdWarning() << "ModifyEntriesCommand() - unequal number of entries" << endl;
}
#endif
}
void ModifyEntries::execute() {
if(!m_coll || m_entries.isEmpty()) {
return;
}
if(m_needToSwap) {
swapValues();
m_needToSwap = false;
}
// loans expose a field named "loaned", and the user might modify that without
// checking in the loan, so verify that. Heavy-handed, yes...
const TQString loaned = TQString::fromLatin1("loaned");
bool hasLoanField = m_coll->hasField(loaned);
for(Data::EntryVecIt entry = m_entries.begin(); hasLoanField && entry != m_entries.end(); ++entry) {
if(entry->field(loaned).isEmpty()) {
Data::EntryVec notLoaned;
notLoaned.append(entry);
Controller::self()->slotCheckIn(notLoaned);
}
}
m_coll->updateDicts(m_entries);
Controller::self()->modifiedEntries(m_entries);
}
void ModifyEntries::unexecute() {
if(!m_coll || m_entries.isEmpty()) {
return;
}
swapValues();
m_needToSwap = true;
m_coll->updateDicts(m_entries);
Controller::self()->modifiedEntries(m_entries);
//TODO: need to tell edit dialog that it's not modified
}
TQString ModifyEntries::name() const {
return m_entries.count() > 1 ? i18n("Modify Entries")
: i18n("Modify (Entry Title)", "Modify %1").arg(m_entries.begin()->title());
}
void ModifyEntries::swapValues() {
// since things like the detailedlistview and the entryiconview hold pointers to the entries
// can't just call Controller::modifiedEntry() on the old pointers
for(size_t i = 0; i < m_entries.count(); ++i) {
// need to swap entry values, not just pointers
// the id gets reset when copying, so need to keep it
long id = m_entries.at(i)->id();
Data::Entry tmp(*m_entries.at(i)); // tmp id becomes -1
*m_entries.at(i) = *m_oldEntries.at(i); // id becomes -1
m_entries.at(i)->setId(id); // id becomes what was originally
*m_oldEntries.at(i) = tmp; // id becomes -1
}
}
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