Chris@49: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@52:     Sonic Visualiser
Chris@52:     An audio file viewer and annotation editor.
Chris@52:     Centre for Digital Music, Queen Mary, University of London.
Chris@52:     This file copyright 2006 Chris Cannam.
Chris@0:     
Chris@52:     This program is free software; you can redistribute it and/or
Chris@52:     modify it under the terms of the GNU General Public License as
Chris@52:     published by the Free Software Foundation; either version 2 of the
Chris@52:     License, or (at your option) any later version.  See the file
Chris@52:     COPYING included with this distribution for more information.
Chris@0: */
Chris@0: 
Chris@0: #include "PropertyContainer.h"
Chris@46: #include "CommandHistory.h"
Chris@46: 
Chris@46: #include <iostream>
Chris@0: 
Chris@0: PropertyContainer::PropertyList
Chris@0: PropertyContainer::getProperties() const
Chris@0: {
Chris@0:     return PropertyList();
Chris@0: }
Chris@0: 
Chris@94: //QString
Chris@94: //PropertyContainer::getPropertyLabel(const PropertyName &) const
Chris@94: //{
Chris@94: //    return "";
Chris@94: //}
Chris@94: 
Chris@0: PropertyContainer::PropertyType
Chris@0: PropertyContainer::getPropertyType(const PropertyName &) const
Chris@0: {
Chris@0:     return InvalidProperty;
Chris@0: }
Chris@0: 
Chris@0: QString
Chris@0: PropertyContainer::getPropertyGroupName(const PropertyName &) const
Chris@0: {
Chris@0:     return QString();
Chris@0: }
Chris@0: 
Chris@0: int
Chris@0: PropertyContainer::getPropertyRangeAndValue(const PropertyName &, int *min, int *max) const
Chris@0: {
Chris@0:     if (min) *min = 0;
Chris@0:     if (max) *max = 0;
Chris@0:     return 0;
Chris@0: }
Chris@0: 
Chris@0: QString
Chris@0: PropertyContainer::getPropertyValueLabel(const PropertyName &, int) const
Chris@0: {
Chris@0:     return QString();
Chris@0: }
Chris@0: 
Chris@0: void
Chris@46: PropertyContainer::setProperty(const PropertyName &name, int) 
Chris@46: {
Chris@46:     std::cerr << "WARNING: PropertyContainer[" << getPropertyContainerName().toStdString() << "]::setProperty(" << name.toStdString() << "): no implementation in subclass!" << std::endl;
Chris@46: }
Chris@46: 
Chris@46: void
Chris@46: PropertyContainer::setPropertyWithCommand(const PropertyName &name, int value)
Chris@46: {
Chris@46:     int currentValue = getPropertyRangeAndValue(name, 0, 0);
Chris@46:     if (value == currentValue) return;
Chris@46: 
Chris@46:     CommandHistory::getInstance()->addCommand
Chris@47: 	(new SetPropertyCommand(this, name, value), true, true); // bundled
Chris@46: }
Chris@46: 
Chris@46: PropertyContainer::SetPropertyCommand::SetPropertyCommand(PropertyContainer *pc,
Chris@46: 							  const PropertyName &pn,
Chris@46: 							  int value) :
Chris@46:     m_pc(pc),
Chris@46:     m_pn(pn),
Chris@46:     m_value(value),
Chris@46:     m_oldValue(0)
Chris@0: {
Chris@0: }
Chris@0: 
Chris@46: void
Chris@46: PropertyContainer::SetPropertyCommand::execute()
Chris@46: {
Chris@46:     m_oldValue = m_pc->getPropertyRangeAndValue(m_pn, 0, 0);
Chris@46:     m_pc->setProperty(m_pn, m_value);
Chris@46: }
Chris@46: 
Chris@46: void
Chris@46: PropertyContainer::SetPropertyCommand::unexecute() 
Chris@46: {
Chris@46:     m_pc->setProperty(m_pn, m_oldValue);
Chris@46: }
Chris@46: 
Chris@46: QString
Chris@46: PropertyContainer::SetPropertyCommand::getName() const
Chris@46: {
Chris@46:     return m_pc->tr("Set %1 Property").arg(m_pn);
Chris@46: }
Chris@46: