- Qt 5.5
- Qt Quick
- Qt Quick Demo - Photo Viewer
- Tag.qml Example File
- Qt 5.5.1 Reference Documentation

# Tag.qml Example File

demos/photoviewer/PhotoViewerCore/Tag.qml

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the QtQml module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL21$
    ** Commercial License Usage
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    ** GNU Lesser General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU Lesser
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    ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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    import QtQuick 2.0

    Flipable {
        id: flipable

        property alias frontLabel: frontButton.label
        property alias backLabel: backButton.label

        property int angle: 0
        property int randomAngle: Math.random() * (2 * 6 + 1) - 6
        property bool flipped: false

        signal frontClicked
        signal backClicked
        signal tagChanged(string tag)

        front: EditableButton {
            id: frontButton; rotation: flipable.randomAngle
            anchors { centerIn: parent; verticalCenterOffset: -20 }
            onClicked: flipable.frontClicked()
            onLabelChanged: flipable.tagChanged(label)
        }

        back: Button {
            id: backButton; tint: "red"; rotation: flipable.randomAngle
            anchors { centerIn: parent; verticalCenterOffset: -20 }
            onClicked: flipable.backClicked()
        }

        transform: Rotation {
            origin.x: flipable.width / 2; origin.y: flipable.height / 2
            axis.x: 0; axis.y: 1; axis.z: 0
            angle: flipable.angle
        }

        states: State {
            name: "back"; when: flipable.flipped
            PropertyChanges { target: flipable; angle: 180 }
        }

        transitions: Transition {
            ParallelAnimation {
                NumberAnimation { properties: "angle"; duration: 400 }
                SequentialAnimation {
                    NumberAnimation { target: flipable; property: "scale"; to: 0.8; duration: 200 }
                    NumberAnimation { target: flipable; property: "scale"; to: 1.0; duration: 200 }
                }
            }
        }
    }