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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Dialogs module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

import Qt.labs.folderlistmodel
import QtQuick
import QtQuick.Controls
import QtQuick.Controls.impl
import QtQuick.Dialogs
import QtQuick.Dialogs.quickimpl
import QtQuick.Layouts
import QtQuick.Templates as T

import "." as DialogsImpl

FolderDialogImpl {
    id: control

    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
                            contentWidth + leftPadding + rightPadding,
                            implicitHeaderWidth,
                            implicitFooterWidth)
    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
                             contentHeight + topPadding + bottomPadding
                             + (implicitHeaderHeight > 0 ? implicitHeaderHeight + spacing : 0)
                             + (implicitFooterHeight > 0 ? implicitFooterHeight + spacing : 0))

    leftPadding: 20
    rightPadding: 20
    // Ensure that the background's border is visible.
    leftInset: -1
    rightInset: -1
    topInset: -1
    bottomInset: -1

    standardButtons: T.Dialog.Open | T.Dialog.Cancel

    FolderDialogImpl.folderDialogListView: folderDialogListView
    FolderDialogImpl.breadcrumbBar: breadcrumbBar

    background: Rectangle {
        implicitWidth: 600
        implicitHeight: 400
        color: control.palette.window
        border.color: control.palette.dark
    }

    header: Pane {
        palette.window: control.palette.light
        padding: 20

        contentItem: Column {
            spacing: 12

            Label {
                objectName: "dialogTitleBarLabel"
                width: parent.width
                text: control.title
                visible: control.title.length > 0
                horizontalAlignment: Label.AlignHCenter
                elide: Label.ElideRight
                font.bold: true
            }

            DialogsImpl.FolderBreadcrumbBar {
                id: breadcrumbBar
                width: parent.width
                dialog: control

                KeyNavigation.tab: folderDialogListView
            }
        }
    }

    contentItem: ListView {
        id: folderDialogListView
        objectName: "folderDialogListView"
        clip: true
        focus: true
        boundsBehavior: Flickable.StopAtBounds

        ScrollBar.vertical: ScrollBar {}

        model: FolderListModel {
            folder: control.currentFolder
            showFiles: false
            sortCaseSensitive: false
        }
        delegate: DialogsImpl.FolderDialogDelegate {
            objectName: "folderDialogDelegate" + index
            width: ListView.view.width
            highlighted: ListView.isCurrentItem
            dialog: control

            KeyNavigation.backtab: breadcrumbBar
            KeyNavigation.tab: control.footer
        }
    }

    footer: DialogButtonBox {
        id: buttonBox
        standardButtons: control.standardButtons
        palette.window: control.palette.light
        spacing: 12
    }

    Overlay.modal: Rectangle {
        color: Color.transparent(control.palette.shadow, 0.5)
    }

    Overlay.modeless: Rectangle {
        color: Color.transparent(control.palette.shadow, 0.12)
    }
}