// Copyright (C) 2020 Uwe Kindler
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-2.1-or-later OR GPL-3.0-or-later

#include "docksplitter.h"

#include "ads_globals_p.h"
#include "dockareawidget.h"

#include <utils/stylehelper.h>

#include <QChildEvent>
#include <QLoggingCategory>
#include <QVariant>

namespace ADS {
/**
 * Private dock splitter data
 */
struct DockSplitterPrivate
{
    DockSplitter *q;
    int m_visibleContentCount = 0;

    DockSplitterPrivate(DockSplitter *parent)
        : q(parent)
    {}
};

DockSplitter::DockSplitter(QWidget *parent)
    : QSplitter(parent)
    , d(new DockSplitterPrivate(this))
{
    //setProperty("ads-splitter", true); // TODO
    setProperty(Utils::StyleHelper::C_MINI_SPLITTER, true);
    setChildrenCollapsible(false);
}

DockSplitter::DockSplitter(Qt::Orientation orientation, QWidget *parent)
    : QSplitter(orientation, parent)
    , d(new DockSplitterPrivate(this))
{}

DockSplitter::~DockSplitter()
{
    qCInfo(adsLog) << Q_FUNC_INFO;
    delete d;
}

bool DockSplitter::hasVisibleContent() const
{
    // TODO Cache or precalculate this to speed up
    for (int i = 0; i < count(); ++i) {
        if (!widget(i)->isHidden())
            return true;
    }

    return false;
}

QWidget *DockSplitter::firstWidget() const
{
    return (count() > 0) ? widget(0) : nullptr;
}

QWidget *DockSplitter::lastWidget() const
{
    return (count() > 0) ? widget(count() - 1) : nullptr;
}

bool DockSplitter::isResizingWithContainer() const
{
    for (auto area : findChildren<DockAreaWidget *>()) {
        if (area->isCentralWidgetArea())
            return true;
    }

    return false;
}

} // namespace ADS