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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:FDL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Free Documentation License Usage
** Alternatively, this file may be used under the terms of the GNU Free
** Documentation License version 1.3 as published by the Free Software
** Foundation and appearing in the file included in the packaging of
** this file. Please review the following information to ensure
** the GNU Free Documentation License version 1.3 requirements
** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
** $QT_END_LICENSE$
**
****************************************************************************/

//! [tumbler]
import QtQuick 2.8
import QtQuick.Window 2.2
import QtQuick.Controls 2.1

Rectangle {
    width: frame.implicitWidth + 10
    height: frame.implicitHeight + 10

    function formatText(count, modelData) {
        var data = count === 12 ? modelData + 1 : modelData;
        return data.toString().length < 2 ? "0" + data : data;
    }

    FontMetrics {
        id: fontMetrics
    }

    Component {
        id: delegateComponent

        Label {
            text: formatText(Tumbler.tumbler.count, modelData)
            opacity: 1.0 - Math.abs(Tumbler.displacement) / (Tumbler.tumbler.visibleItemCount / 2)
            horizontalAlignment: Text.AlignHCenter
            verticalAlignment: Text.AlignVCenter
            font.pixelSize: fontMetrics.font.pixelSize * 1.25
        }
    }

    Frame {
        id: frame
        padding: 0
        anchors.centerIn: parent

        Row {
            id: row

            Tumbler {
                id: hoursTumbler
                model: 12
                delegate: delegateComponent
            }

            Tumbler {
                id: minutesTumbler
                model: 60
                delegate: delegateComponent
            }

            Tumbler {
                id: amPmTumbler
                model: ["AM", "PM"]
                delegate: delegateComponent
            }
        }
    }
}
//! [tumbler]