view base/PropertyContainer.cpp @ 199:1d789d688f59

* When adding a layer, make it the selected layer on that pane
* More OSC support, including transforms

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#include "PropertyContainer.h"
#include "CommandHistory.h"
#include "RangeMapper.h"
#include "UnitDatabase.h"

#include <QColor>

#include <iostream>

PropertyContainer::PropertyList
PropertyContainer::getProperties() const
{
    return PropertyList();
}

//QString
//PropertyContainer::getPropertyLabel(const PropertyName &) const
//{
//    return "";
//}

PropertyContainer::PropertyType
PropertyContainer::getPropertyType(const PropertyName &) const
{
    return InvalidProperty;
}

QString
PropertyContainer::getPropertyGroupName(const PropertyName &) const
{
    return QString();
}

int
PropertyContainer::getPropertyRangeAndValue(const PropertyName &, int *min, int *max) const
{
    if (min) *min = 0;
    if (max) *max = 0;
    return 0;
}

QString
PropertyContainer::getPropertyValueLabel(const PropertyName &, int) const
{
    return QString();
}

RangeMapper *
PropertyContainer::getNewPropertyRangeMapper(const PropertyName &) const
{
    return 0;
}

void
PropertyContainer::setProperty(const PropertyName &name, int) 
{
    std::cerr << "WARNING: PropertyContainer[" << getPropertyContainerName().toStdString() << "]::setProperty(" << name.toStdString() << "): no implementation in subclass!" << std::endl;
}

void
PropertyContainer::setPropertyWithCommand(const PropertyName &name, int value)
{
    int currentValue = getPropertyRangeAndValue(name, 0, 0);
    if (value == currentValue) return;

    CommandHistory::getInstance()->addCommand
	(new SetPropertyCommand(this, name, value), true, true); // bundled
}
 
void
PropertyContainer::setProperty(QString nameString, QString valueString)
{
    PropertyName name;
    int value;
    if (!convertPropertyStrings(nameString, valueString, name, value)) {
        std::cerr << "WARNING: PropertyContainer::setProperty(\""
                  << nameString.toStdString() << "\", \""
                  << valueString.toStdString()
                  << "\"): Name and value conversion failed" << std::endl;
        return;
    }
    setProperty(name, value);
}
 
void
PropertyContainer::setPropertyWithCommand(QString nameString, QString valueString)
{
    PropertyName name;
    int value;
    if (!convertPropertyStrings(nameString, valueString, name, value)) {
        std::cerr << "WARNING: PropertyContainer::setPropertyWithCommand(\""
                  << nameString.toStdString() << "\", \""
                  << valueString.toStdString()
                  << "\"): Name and value conversion failed" << std::endl;
        return;
    }
    setPropertyWithCommand(name, value);
}

bool
PropertyContainer::convertPropertyStrings(QString nameString, QString valueString,
                                          PropertyName &name, int &value)
{
    PropertyList pl = getProperties();

    QString adjusted = nameString.trimmed();
    adjusted.replace('_', ' ');
    adjusted.replace('-', ' ');
    
    name = "";

    for (PropertyList::iterator pli = pl.begin(); pli != pl.end(); ++pli) {

        QString label = getPropertyLabel(*pli);

        if (label != "" && (nameString == label || adjusted == label)) {
            name = *pli;
            break;
        } else if (nameString == *pli) {
            name = *pli;
            break;
        }
    }

    if (name == "") {
        std::cerr << "PropertyContainer::convertPropertyStrings: Unable to match name string \"" << nameString.toStdString() << "\"" << std::endl;
        return false;
    }

    value = 0;
    bool success = false;
    
    bool isDouble = false;
    double dval = valueString.toDouble(&isDouble);

    switch (getPropertyType(name)) {

    case ToggleProperty:
        if (valueString == tr("yes") || 
            valueString == tr("on") ||
            valueString == tr("true")) {
            value = 1; success = true;
        } else if (valueString == tr("no") ||
                   valueString == tr("off") ||
                   valueString == tr("false")) {
            value = 0; success = true;
        }
        break;

    case RangeProperty:
        if (isDouble) {
            RangeMapper *mapper = getNewPropertyRangeMapper(name);
            if (mapper) {
                value = mapper->getPositionForValue(dval);
                delete mapper;
                success = true;
            }
        }
        break;

    case ValueProperty:
    {
        int min, max;
        getPropertyRangeAndValue(name, &min, &max);
        for (int i = min; i <= max; ++i) {
            if (valueString == getPropertyValueLabel(name, i)) {
                value = i;
                success = true;
                break;
            }
        }
        break;
    }

    case ColourProperty:
    {
        QColor c(valueString);
        if (c.isValid()) {
            value = c.rgb();
            success = true;
        }
        break;
    }
        
    case UnitsProperty:
        value = UnitDatabase::getInstance()->getUnitId(valueString, false);
        if (value >= 0) success = true;
        else value = 0;
        break;

    case InvalidProperty:
        std::cerr << "PropertyContainer::convertPropertyStrings: Invalid property name \"" << name.toStdString() << "\"" << std::endl;
        return false;
    }

    if (success) return true;

    int min, max;
    getPropertyRangeAndValue(name, &min, &max);
    
    bool ok = false;
    int i = valueString.toInt(&ok);
    if (!ok) {
        std::cerr << "PropertyContainer::convertPropertyStrings: Unable to parse value string \"" << valueString.toStdString() << "\"" << std::endl;
        return false;
    } else if (i < min || i > max) {
        std::cerr << "PropertyContainer::convertPropertyStrings: Property value \"" << i << "\" outside valid range " << min << " to " << max << std::endl;
        return false;
    }

    value = i;
    return true;
}

PropertyContainer::SetPropertyCommand::SetPropertyCommand(PropertyContainer *pc,
							  const PropertyName &pn,
							  int value) :
    m_pc(pc),
    m_pn(pn),
    m_value(value),
    m_oldValue(0)
{
}

void
PropertyContainer::SetPropertyCommand::execute()
{
    m_oldValue = m_pc->getPropertyRangeAndValue(m_pn, 0, 0);
    m_pc->setProperty(m_pn, m_value);
}

void
PropertyContainer::SetPropertyCommand::unexecute() 
{
    m_pc->setProperty(m_pn, m_oldValue);
}

QString
PropertyContainer::SetPropertyCommand::getName() const
{
    return m_pc->tr("Set %1 Property").arg(m_pn);
}