/* ============================================================
* VerticalTabs plugin for Falkon
* Copyright (C) 2018 David Rosca <nowrep@gmail.com>
*
* This program 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.
*
* This program 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 "verticaltabscontroller.h"
#include "verticaltabsplugin.h"
#include "verticaltabswidget.h"

#include "tabwidget.h"

#include <QAction>
#include <QKeyEvent>

VerticalTabsController::VerticalTabsController(VerticalTabsPlugin *plugin)
    : SideBarInterface(plugin)
    , m_plugin(plugin)
{
}

QString VerticalTabsController::title() const
{
    return tr("Vertical Tabs");
}

QAction *VerticalTabsController::createMenuAction()
{
    auto *act = new QAction(title(), this);
    act->setCheckable(true);
    return act;
}

QWidget *VerticalTabsController::createSideBarWidget(BrowserWindow *window)
{
    auto *widget = new VerticalTabsWidget(window);
    widget->setViewType(m_plugin->viewType());
    widget->setStyleSheet(m_plugin->styleSheet());
    connect(m_plugin, &VerticalTabsPlugin::viewTypeChanged, widget, &VerticalTabsWidget::setViewType);
    connect(m_plugin, &VerticalTabsPlugin::styleSheetChanged, widget, &VerticalTabsWidget::setStyleSheet);

    m_widgets[window] = widget;
    return widget;
}

bool VerticalTabsController::handleKeyPress(QKeyEvent *event, TabWidget *tabWidget)
{
    auto switchToNextTab = [=]() {
        VerticalTabsWidget *widget = m_widgets.value(tabWidget->browserWindow());
        if (widget) {
            widget->switchToNextTab();
            return true;
        }
        return false;
    };

    auto switchToPreviousTab = [=]() {
        VerticalTabsWidget *widget = m_widgets.value(tabWidget->browserWindow());
        if (widget) {
            widget->switchToPreviousTab();
            return true;
        }
        return false;
    };

    switch (event->key()) {
    case Qt::Key_Tab:
    case Qt::Key_PageDown:
        if (event->modifiers() == Qt::ControlModifier) {
            if (switchToNextTab()) {
                return true;
            }
        }
        break;

    case Qt::Key_Backtab:
        if (event->modifiers() == (Qt::ShiftModifier | Qt::ControlModifier)) {
            if (switchToPreviousTab()) {
                return true;
            }
        }
        break;

    case Qt::Key_PageUp:
        if (event->modifiers() == Qt::ControlModifier) {
            if (switchToPreviousTab()) {
                return true;
            }
        }
        break;

    default:
        break;
    }

    return false;
}
