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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 "fieldcommand.h"
#include "../collection.h"
#include "../controller.h"
#include "../tellico_debug.h"
#include <klocale.h>
using Tellico::Command::FieldCommand;
FieldCommand::FieldCommand(Mode mode_, Data::CollPtr coll_,
Data::FieldPtr activeField_, Data::FieldPtr oldField_/*=0*/)
: KCommand()
, m_mode(mode_)
, m_coll(coll_)
, m_activeField(activeField_)
, m_oldField(oldField_)
{
if(!m_coll) {
myDebug() << "FieldCommand() - null collection pointer" << endl;
} else if(!m_activeField) {
myDebug() << "FieldCommand() - null active field pointer" << endl;
}
#ifndef NDEBUG
// just some sanity checking
if(m_mode == FieldAdd && m_oldField != 0) {
myDebug() << "FieldCommand() - adding field, but pointers are wrong" << endl;
} else if(m_mode == FieldModify && m_oldField == 0) {
myDebug() << "FieldCommand() - modifying field, but pointers are wrong" << endl;
} else if(m_mode == FieldRemove && m_oldField != 0) {
myDebug() << "FieldCommand() - removing field, but pointers are wrong" << endl;
}
#endif
}
void FieldCommand::execute() {
if(!m_coll || !m_activeField) {
return;
}
switch(m_mode) {
case FieldAdd:
// if there's currently a field in the collection with the same name, it will get overwritten
// so save a pointer to it here, the collection should not delete it
m_oldField = m_coll->fieldByName(m_activeField->name());
m_coll->addField(m_activeField);
Controller::self()->addedField(m_coll, m_activeField);
break;
case FieldModify:
m_coll->modifyField(m_activeField);
Controller::self()->modifiedField(m_coll, m_oldField, m_activeField);
break;
case FieldRemove:
m_coll->removeField(m_activeField);
Controller::self()->removedField(m_coll, m_activeField);
break;
}
}
void FieldCommand::unexecute() {
if(!m_coll || !m_activeField) {
return;
}
switch(m_mode) {
case FieldAdd:
m_coll->removeField(m_activeField);
Controller::self()->removedField(m_coll, m_activeField);
if(m_oldField) {
m_coll->addField(m_oldField);
Controller::self()->addedField(m_coll, m_oldField);
}
break;
case FieldModify:
m_coll->modifyField(m_oldField);
Controller::self()->modifiedField(m_coll, m_activeField, m_oldField);
break;
case FieldRemove:
m_coll->addField(m_activeField);
Controller::self()->addedField(m_coll, m_activeField);
break;
}
}
QString FieldCommand::name() const {
switch(m_mode) {
case FieldAdd:
return i18n("Add %1 Field").arg(m_activeField->title());
case FieldModify:
return i18n("Modify %1 Field").arg(m_activeField->title());
case FieldRemove:
return i18n("Delete %1 Field").arg(m_activeField->title());
}
// hush warnings
return QString::null;
}
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