#include "rm_combo_box.h"
#include <QLabel>
#include <QStyleOption>
#include <QPainter>
#if (USE_JSON_SETTINGS)
#include <QJsonObject>
#include <QJsonArray>
#include "rm_settings_cfg.h"
RMComboBox::RMComboBox(QWidget *parent,QString title,int index) : QWidget(parent), RMValueSelector(index)
{
    setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Preferred);
    //setObjectName("test_widget");
    layout = new QHBoxLayout(this);
    layout->setAlignment(Qt::AlignLeading | Qt::AlignVCenter);
    layout->setContentsMargins(0,2,8,2);
    layout->setSpacing(3);

    if(!title.isEmpty())
    {
        titleLabel = new QLabel(this);
        titleLabel->setObjectName("text_normal_label");
        titleLabel->setText(title);
        layout->addWidget(titleLabel);
    }
    else
    {
        titleLabel = NULL;
    }
    QJsonObject obj = CFG::items.at(index).toObject();
    QStringList spacedItems;
    QJsonArray array = obj.value("value_strings").toArray();
    for(int i=0;i<array.size();i++)
    {
        spacedItems.append(" " + array.at(i).toString());
    }
    comboBox = new QComboBox(this);
    comboBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Preferred);
    comboBox->setObjectName("settings");
    comboBox->addItems(spacedItems);
    comboBox->setMaxVisibleItems(100);
    int idx = obj.value("current").toInt();
    comboBox->setCurrentIndex(realIndex(idx));
    connect(comboBox,SIGNAL(currentIndexChanged(int)),SLOT(onSelected(int)));
    layout->addWidget(comboBox);
    connect(RMValueUpdater::instance(),SIGNAL(updateByValues()),SLOT(onUpdateByValue()));
}
void RMComboBox::onSelected(int index)
{
    QJsonObject obj = CFG::items.at(_object).toObject();
    obj.insert("current",QJsonValue(realValue(index)));
    CFG::items.replace(_object,obj);
    emit selected(index);
}
void RMComboBox::onUpdateByValue()
{
    QJsonObject obj = CFG::items.at(_object).toObject();
    comboBox->setCurrentIndex(realIndex(obj.value("current").toInt()));
}
#else // USE_JSON_SETTINGS
RMComboBox::RMComboBox(QWidget *parent,QString title, QStringList items,unsigned char* value,QList<int> indexMap) : QWidget(parent), RMValueSelector(value,indexMap)
{
    setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Preferred);
    //setObjectName("test_widget");
    layout = new QHBoxLayout(this);
    layout->setAlignment(Qt::AlignLeading | Qt::AlignVCenter);
    layout->setContentsMargins(0,2,8,2);
    layout->setSpacing(3);

    if(title.length() > 0)
    {
        titleLabel = new QLabel(this);
        titleLabel->setObjectName("text_normal_label");
        titleLabel->setText(title);
        layout->addWidget(titleLabel);
    }
    else
    {
        titleLabel = NULL;
    }
    QStringList spacedItems;
    foreach (QString eachItem, items) {
        spacedItems.append(" " + eachItem);
    }

    comboBox = new QComboBox(this);
    comboBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Preferred);
    comboBox->setObjectName("settings");
    comboBox->addItems(spacedItems);
    comboBox->setMaxVisibleItems(100);
    comboBox->setCurrentIndex(realIndex(*value));
    connect(comboBox,SIGNAL(currentIndexChanged(int)),SLOT(onSelected(int)));
    layout->addWidget(comboBox);

    connect(RMValueUpdater::instance(),SIGNAL(updateByValues()),SLOT(onUpdateByValue()));
}
void RMComboBox::onSelected(int index)
{
    *_value = realValue(index);
    emit selected(index);
}
void RMComboBox::onUpdateByValue()
{
    comboBox->setCurrentIndex(realIndex(*_value));
}
#endif // USE_JSON_SETTINGS


void RMComboBox::paintEvent(QPaintEvent *pe)
{
    Q_UNUSED(pe);
    QStyleOption o;
    o.initFrom(this);
    QPainter p(this);
    style()->drawPrimitive(QStyle::PE_Widget, &o, &p, this);
}