TicketTokenDelegate.qml 4.24 KB
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/*
    Copyright (C) 2018 Volker Krause <vkrause@kde.org>

    This program 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 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 Library General Public
    License for more details.

    You should have received a copy of the GNU General Public License
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    along with this program.  If not, see <https://www.gnu.org/licenses/>.
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*/

import QtQuick 2.5
import QtQuick.Layouts 1.1
import QtQuick.Controls 2.1 as QQC2
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import QtQuick.Window 2.10
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import org.kde.kirigami 2.0 as Kirigami
import org.kde.prison 1.0 as Prison
import org.kde.kitinerary 1.0
import org.kde.itinerary 1.0
import "." as App

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ColumnLayout {
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    id: root
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    property var resIds
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    readonly property var currentReservationId: ticketModel.reservationIdAt(travelerBox.currentIndex)
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    readonly property var currentTicket: ticketModel.reservationAt(travelerBox.currentIndex).reservedTicket
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    Layout.fillWidth: true
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    TicketTokenModel {
        id: ticketModel
        reservationManager: _reservationManager
        reservationIds: resIds
    }

    QQC2.ComboBox {
        id: travelerBox
        Layout.alignment: Qt.AlignCenter
        model: ticketModel
        textRole: "display"
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        Layout.fillWidth: true
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        // ugly, but rowCount does not trigger binding changes
        Component.onCompleted: visible = ticketModel.rowCount() >= 1 && root.resIds.length > 1
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    }

    Item {
        id: barcodeContainer
        Layout.alignment: Qt.AlignCenter
        Layout.fillWidth: true
        implicitHeight: childrenRect.height

        Rectangle {
            id: background
            anchors.centerIn: barcodeContainer
            anchors.top: barcodeContainer.top
            anchors.bottom: barcodeContainer.bottom
            color: "white"
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            // aim at 50x50mm for 2d codes, and 25mm height for 1d codes, if we have the space for it
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            property bool is1dCode: currentTicket.ticketTokenType == Ticket.Code128
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            // if this gets too wide, we need to rotate by 90°
            property bool showVertical: is1dCode && barcodeTargetWidth > root.width

            // unrotated barcode sizes
            property int barcodeTargetWidth: Math.max(
                (is1dCode ? 2 * barcode.implicitWidth : barcode.implicitWidth) + 2 * barcode.anchors.margins,
                Screen.pixelDensity * 50)
            property int barcodeTargetHeight: is1dCode ? Screen.pixelDensity * 25 : barcodeTargetWidth

            implicitWidth: (showVertical ? barcodeTargetHeight : barcodeTargetWidth) + 2 * Kirigami.Units.smallSpacing
            implicitHeight: visible ? (showVertical ? barcodeTargetWidth : barcodeTargetHeight) + 2 * Kirigami.Units.smallSpacing : 0
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            visible: barcode.implicitHeight > 0
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            MouseArea {
                anchors.fill: parent
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                onDoubleClicked: _brightnessManager.toggleBrightness();
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            }

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            Prison.Barcode {
                id: barcode
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                anchors.centerIn: background
                width: background.barcodeTargetWidth
                height: background.barcodeTargetHeight
                rotation: background.showVertical ? 90 : 0
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                barcodeType:
                {
                    if (currentTicket == undefined)
                        return Prison.Barcode.Null;
                    switch (currentTicket.ticketTokenType) {
                        case Ticket.QRCode: return Prison.Barcode.QRCode;
                        case Ticket.AztecCode: return Prison.Barcode.Aztec;
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                        case Ticket.Code128: return Prison.Barcode.Code128;
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                    }
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                    return Prison.Barcode.Null;
                }
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                content:
                {
                    if (barcodeType == Prison.Barcode.Null || currentTicket == undefined)
                        return "";
                    return currentTicket.ticketTokenData;
                }
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            }
        }
    }
}