LimeReport/src/objectinspector/propertyItems/lrenumpropitem.cpp

/***************************************************************************
 *   This file is part of the Lime Report project                          *
 *   Copyright (C) 2015 by Alexander Arin                                  *
 *   arin_a@bk.ru                                                          *
 *                                                                         *
 **                   GNU General Public License Usage                    **
 *                                                                         *
 *   This 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, either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *                                                                         *
 **                  GNU Lesser General Public License                    **
 *                                                                         *
 *   This library is free software: you can redistribute it and/or modify  *
 *   it under the terms of the GNU Lesser General Public License as        *
 *   published by the Free Software Foundation, either version 3 of the    *
 *   License, or (at your option) any later version.                       *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library.                                      *
 *   If not, see <http://www.gnu.org/licenses/>.                           *
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 *   This library 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.                          *
 ****************************************************************************/
#include "lrenumpropitem.h"
#include "../editors/lrcomboboxeditor.h"
#include "lrbanddesignintf.h"

namespace {

LimeReport::ObjectPropItem * createEnumPropItem(
        QObject *object, LimeReport::ObjectPropItem::ObjectsList* objects, const QString& name, const QString& displayName, const QVariant& data, LimeReport::ObjectPropItem* parent, bool readonly)
{
    return new LimeReport::EnumPropItem(object, objects, name, displayName, data, parent, readonly);
}
bool registred = LimeReport::ObjectPropFactory::instance().registerCreator(
    LimeReport::APropIdent("enum",""),QObject::tr("enum"),createEnumPropItem
);

}

namespace LimeReport {

QWidget *EnumPropItem::createProperyEditor(QWidget *parent) const
{
    ComboBoxEditor *editor = new ComboBoxEditor(parent,false);
    connect(editor,SIGNAL(currentIndexChanged(QString)),this,SLOT(slotEnumChanged(QString)));

    QStringList enumValues;
    QMetaEnum propEnum = object()->metaObject()->property(object()->metaObject()->indexOfProperty(propertyName().toLatin1())).enumerator();
    for (int i=0;i<propEnum.keyCount();i++){
        if (m_acceptableValues.isEmpty()) enumValues.append(propEnum.key(i));
        else {
            if (m_acceptableValues.contains(propEnum.value(i))){
                enumValues.append(propEnum.key(i));
            }
        }
    }
    editor->addItems(enumValues);
    return editor;
}

void EnumPropItem::slotEnumChanged(const QString &text)
{
    if ( nameByType(object()->property(propertyName().toLatin1()).toInt())!=text){
        beginChangeValue();
        setValueToObject(propertyName(),typeByName(text));
        setPropertyValue(typeByName(text));
        endChangeValue();
    }
}

void EnumPropItem::setPropertyEditorData(QWidget *propertyEditor, const QModelIndex &) const
{
    ComboBoxEditor *editor=qobject_cast<ComboBoxEditor *>(propertyEditor);
    editor->setTextValue(nameByType(propertyValue().toInt()));
}

void EnumPropItem::setModelData(QWidget *propertyEditor, QAbstractItemModel *model, const QModelIndex &index)
{
    setValueToObject(propertyName(),typeByName(qobject_cast<ComboBoxEditor*>(propertyEditor)->text()));
    model->setData(index,object()->property(propertyName().toLatin1()));
}

QString EnumPropItem::nameByType(int value) const
{
    QMetaEnum propEnum = object()->metaObject()->property(object()->metaObject()->indexOfProperty(propertyName().toLatin1())).enumerator();
    return propEnum.valueToKey(value);
}

int EnumPropItem::typeByName(const QString &value) const
{
    QMetaEnum propEnum = object()->metaObject()->property(object()->metaObject()->indexOfProperty(propertyName().toLatin1())).enumerator();
    return propEnum.keyToValue(value.toLatin1());
}

QString EnumPropItem::displayValue() const
{
    return nameByType((propertyValue().toInt()));
}

}