// SPDX-License-Identifier: LGPL-2.1-or-later

/***************************************************************************
 *   Copyright (c) 2004 Werner Mayer <wmayer[at]users.sourceforge.net>     *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#include <QApplication>
#include <QPushButton>

#include "Dialogs/DlgActivateWindowImp.h"
#include "ui_DlgActivateWindow.h"
#include "MainWindow.h"
#include "MDIView.h"


using namespace Gui::Dialog;

/* TRANSLATOR Gui::Dialog::DlgActivateWindowImp */

/**
 *  Constructs a DlgActivateWindowImp which is a child of 'parent', with the
 *  name 'name' and widget flags set to 'f'
 *
 *  The dialog will by default be modeless, unless you set 'modal' to
 *  true to construct a modal dialog.
 */
DlgActivateWindowImp::DlgActivateWindowImp(QWidget* parent, Qt::WindowFlags fl)
    : QDialog(parent, fl)
    , ui(new Ui_DlgActivateWindow)
{
    // create widgets
    ui->setupUi(this);
    QPushButton* buttonOk = ui->buttonBox->button(QDialogButtonBox::Ok);
    buttonOk->setText(QApplication::translate("Gui::Dialog::DlgActivateWindow", "&Activate"));
    QTreeWidgetItem* active = nullptr;
    QStringList labels;
    labels << tr("Windows");
    ui->treeWidget->setHeaderLabels(labels);
    ui->treeWidget->header()->hide();

    QList<QWidget*> windows = getMainWindow()->windows();
    if (windows.isEmpty()) {
        buttonOk->setDisabled(true);
        return;
    }

    QWidget* activeWnd = getMainWindow()->activeWindow();

    for (QWidget* it : windows) {
        auto item = new QTreeWidgetItem(ui->treeWidget);
        QString title = it->windowTitle();
        title.replace(QLatin1String("[*]"), QLatin1String(""));
        if (it->isWindowModified()) {
            title += QLatin1String("*");
        }
        item->setText(0, title);
        if (it == activeWnd) {
            active = item;
        }
    }

    if (active) {
        ui->treeWidget->setCurrentItem(active);
    }
    ui->treeWidget->setFocus();
}

/** Destroys the object and frees any allocated resources */
DlgActivateWindowImp::~DlgActivateWindowImp()
{
    delete ui;
}

/**
 * Activates the MDI window you wish and closes the dialog.
 */
void DlgActivateWindowImp::accept()
{
    QTreeWidgetItem* item = ui->treeWidget->currentItem();
    QList<QWidget*> windows = getMainWindow()->windows();

    if (item) {
        int index = ui->treeWidget->indexOfTopLevelItem(item);
        getMainWindow()->setActiveWindow(static_cast<MDIView*>(windows.at(index)));
    }

    QDialog::accept();
}

#include "moc_DlgActivateWindowImp.cpp"