property.cpp

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// *************************************************************************************************
//
// QPropertyEditor v 0.3
//   
// --------------------------------------
// Copyright (C) 2007 Volker Wiendl
// Acknowledgements to Roman alias banal from qt-apps.org for the Enum enhancement
//
//
// The QPropertyEditor Library 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 version 3 of the License 
//
// The Horde3D Scene Editor is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// *************************************************************************************************
#include "Property.h"
#include "ColorCombo.h"

#include <QtCore/QMetaProperty>
#include <QtWidgets/QSpinBox>

#include "Editor/EditorWindow.h"

Property::Property(const QString& name /*= QString()*/, QObject* propertyObject /*= 0*/, QObject* parent /*= 0*/) : QObject(parent), 
m_propertyObject(propertyObject)
{
    setObjectName(name);

    if(EditorWindow::currentInstance)
    {
        connect(this, SIGNAL(propertyChanged(QObject*,QString,QVariant,QVariant)),
                EditorWindow::currentInstance, SLOT(propertyChanged(QObject*,QString,QVariant,QVariant)));
    }
}

QVariant Property::value(int /*role = Qt::UserRole*/) const
{
    if (m_propertyObject)
        return m_propertyObject->property(qPrintable(objectName()));
    else
        return QVariant();
}

void Property::setValue(const QVariant &value)
{
    if (m_propertyObject)
    {
        QVariant old_value = m_propertyObject->property(qPrintable(objectName()));
        m_propertyObject->setProperty(qPrintable(objectName()), value);
        emit propertyChanged(m_propertyObject, objectName(), value, old_value);
    }
}

bool Property::isReadOnly()
{
    if( m_propertyObject->dynamicPropertyNames().contains( objectName().toLocal8Bit() ) )
        return false;
    if (m_propertyObject && m_propertyObject->metaObject()->property(m_propertyObject->metaObject()->indexOfProperty(qPrintable(objectName()))).isWritable())
        return false;
    else
        return true;
}

QWidget* Property::createEditor(QWidget *parent, const QStyleOptionViewItem& /*option*/)
{
    QWidget* editor = 0;
    switch(value().type())
    {
    case QVariant::Color:
        editor = new ColorCombo(parent);
        break;
    case QVariant::Int:
        editor = new QSpinBox(parent);
        editor->setProperty("minimum", -INT_MAX);
        editor->setProperty("maximum", INT_MAX);
        connect(editor, SIGNAL(valueChanged(int)), this, SLOT(setValue(int)));
        break;
    case QMetaType::Float:  
    case QVariant::Double:  
        editor = new QDoubleSpinBox(parent);
        editor->setProperty("minimum", -INT_MAX);
        editor->setProperty("maximum", INT_MAX);
        connect(editor, SIGNAL(valueChanged(double)), this, SLOT(setValue(double)));
        break;          
    default:
        return editor;
    }
    return editor;
}

bool Property::setEditorData(QWidget *editor, const QVariant &data)
{
    switch(value().type())
    {
    case QVariant::Color:
        static_cast<ColorCombo*>(editor)->setColor(data.value<QColor>());
        return true;;
    case QVariant::Int:
        editor->blockSignals(true);
        static_cast<QSpinBox*>(editor)->setValue(data.toInt());
        editor->blockSignals(false);
        return true;            
    case QMetaType::Float:  
    case QVariant::Double:  
        editor->blockSignals(true);
        static_cast<QDoubleSpinBox*>(editor)->setValue(data.toDouble());
        editor->blockSignals(false);
        return true;        
    default: 
        return false;   
    }
    return false;
}

QVariant Property::editorData(QWidget *editor)
{
    switch(value().type())
    {
    case QVariant::Color:
        return QVariant::fromValue(static_cast<ColorCombo*>(editor)->color());
    case QVariant::Int:
        return QVariant(static_cast<QSpinBox*>(editor)->value());
    case QMetaType::Float:  
    case QVariant::Double:  
        return QVariant(static_cast<QDoubleSpinBox*>(editor)->value());
        break;          
    default:
        return QVariant();
    }
}

Property* Property::findPropertyObject(QObject* propertyObject)
{
    if (m_propertyObject == propertyObject)
        return this;
    for (int i=0; i<children().size(); ++i)
    {
        Property* child = static_cast<Property*>(children()[i])->findPropertyObject(propertyObject);
        if (child)
            return child;
    }
    return 0;
}

void Property::setValue(double value)
{
    setValue(QVariant(value));
}

void Property::setValue(int value)
{
    setValue(QVariant(value));
}