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113 lines
3.6 KiB
113 lines
3.6 KiB
/***************************************************************************
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copyright : (C) 2005-2006 by Robby Stephenson
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email : robby@periapsis.org
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***************************************************************************/
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/***************************************************************************
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* *
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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 version 2 of the GNU General Public License as *
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* published by the Free Software Foundation; *
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* *
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***************************************************************************/
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#include "fieldcommand.h"
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#include "../collection.h"
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#include "../controller.h"
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#include "../tellico_debug.h"
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#include <tdelocale.h>
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using Tellico::Command::FieldCommand;
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FieldCommand::FieldCommand(Mode mode_, Data::CollPtr coll_,
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Data::FieldPtr activeField_, Data::FieldPtr oldField_/*=0*/)
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: KCommand()
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, m_mode(mode_)
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, m_coll(coll_)
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, m_activeField(activeField_)
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, m_oldField(oldField_)
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{
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if(!m_coll) {
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myDebug() << "FieldCommand() - null collection pointer" << endl;
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} else if(!m_activeField) {
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myDebug() << "FieldCommand() - null active field pointer" << endl;
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}
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#ifndef NDEBUG
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// just some sanity checking
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if(m_mode == FieldAdd && m_oldField != 0) {
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myDebug() << "FieldCommand() - adding field, but pointers are wrong" << endl;
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} else if(m_mode == FieldModify && m_oldField == 0) {
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myDebug() << "FieldCommand() - modifying field, but pointers are wrong" << endl;
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} else if(m_mode == FieldRemove && m_oldField != 0) {
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myDebug() << "FieldCommand() - removing field, but pointers are wrong" << endl;
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}
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#endif
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}
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void FieldCommand::execute() {
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if(!m_coll || !m_activeField) {
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return;
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}
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switch(m_mode) {
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case FieldAdd:
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// if there's currently a field in the collection with the same name, it will get overwritten
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// so save a pointer to it here, the collection should not delete it
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m_oldField = m_coll->fieldByName(m_activeField->name());
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m_coll->addField(m_activeField);
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Controller::self()->addedField(m_coll, m_activeField);
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break;
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case FieldModify:
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m_coll->modifyField(m_activeField);
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Controller::self()->modifiedField(m_coll, m_oldField, m_activeField);
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break;
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case FieldRemove:
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m_coll->removeField(m_activeField);
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Controller::self()->removedField(m_coll, m_activeField);
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break;
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}
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}
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void FieldCommand::unexecute() {
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if(!m_coll || !m_activeField) {
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return;
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}
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switch(m_mode) {
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case FieldAdd:
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m_coll->removeField(m_activeField);
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Controller::self()->removedField(m_coll, m_activeField);
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if(m_oldField) {
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m_coll->addField(m_oldField);
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Controller::self()->addedField(m_coll, m_oldField);
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}
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break;
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case FieldModify:
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m_coll->modifyField(m_oldField);
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Controller::self()->modifiedField(m_coll, m_activeField, m_oldField);
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break;
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case FieldRemove:
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m_coll->addField(m_activeField);
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Controller::self()->addedField(m_coll, m_activeField);
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break;
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}
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}
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TQString FieldCommand::name() const {
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switch(m_mode) {
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case FieldAdd:
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return i18n("Add %1 Field").arg(m_activeField->title());
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case FieldModify:
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return i18n("Modify %1 Field").arg(m_activeField->title());
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case FieldRemove:
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return i18n("Delete %1 Field").arg(m_activeField->title());
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}
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// hush warnings
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return TQString();
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}
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