#include "itemviewadapter.h"

#include <QModelIndex>
#include <QPalette>
#include <QSize>

ItemViewAdapter::ItemViewAdapter(QObject *parent)
    : QObject(parent)
    , m_adapterView(nullptr)
    , m_adapterModel(nullptr)
    , m_adapterIconSize(-1)
{
}

QAbstractItemModel *ItemViewAdapter::model() const
{
    return m_adapterModel;
}

QSize ItemViewAdapter::iconSize() const
{
    return QSize(m_adapterIconSize, m_adapterIconSize);
}

QPalette ItemViewAdapter::palette() const
{
    return QPalette();
}

QRect ItemViewAdapter::visibleArea() const
{
    return m_adapterVisibleArea;
}

QRect ItemViewAdapter::visualRect(const QModelIndex &index) const
{
    // FIXME TODO: Implemented on DND branch.

    Q_UNUSED(index);

    return QRect();
}

void ItemViewAdapter::connect(Signal signal, QObject *receiver, const char *slot)
{
    if (signal == ScrollBarValueChanged) {
        QObject::connect(this, SIGNAL(viewScrolled()), receiver, slot);
    } else if (signal == IconSizeChanged) {
        QObject::connect(this, SIGNAL(adapterIconSizeChanged()), receiver, slot);
    }
}

QAbstractItemModel *ItemViewAdapter::adapterModel() const
{
    return m_adapterModel;
}

QObject *ItemViewAdapter::adapterView() const
{
    return m_adapterView;
}

void ItemViewAdapter::setAdapterView(QObject *view)
{
    if (m_adapterView != view) {
        m_adapterView = view;

        emit adapterViewChanged();
    }
}

void ItemViewAdapter::setAdapterModel(QAbstractItemModel *model)
{
    if (m_adapterModel != model) {
        m_adapterModel = model;

        emit adapterModelChanged();
    }
}

int ItemViewAdapter::adapterIconSize() const
{
    return m_adapterIconSize;
}

void ItemViewAdapter::setAdapterIconSize(int size)
{
    if (m_adapterIconSize != size) {
        m_adapterIconSize = size;

        emit adapterIconSizeChanged();
    }
}

QRect ItemViewAdapter::adapterVisibleArea() const
{
    return m_adapterVisibleArea;
}

void ItemViewAdapter::setAdapterVisibleArea(QRect rect)
{
    if (m_adapterVisibleArea != rect) {
        m_adapterVisibleArea = rect;

        emit adapterVisibleAreaChanged();
    }
}