- Qt 5.3
- Qt Quick
- Qt Quick Demo - Photo Viewer
- Tag.qml Example File
- Qt 5.3.2 Reference Documentation

# Tag.qml Example File

demos/photoviewer/PhotoViewerCore/Tag.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the QtQml module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL$
    ** Commercial License Usage
    ** Licensees holding valid commercial Qt licenses may use this file in
    ** accordance with the commercial license agreement provided with the
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    ** use the contact form at http://qt.digia.com/contact-us.
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    ** GNU Lesser General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU Lesser
    ** General Public License version 2.1 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.LGPL included in the
    ** packaging of this file.  Please review the following information to
    ** ensure the GNU Lesser General Public License version 2.1 requirements
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    ** rights.  These rights are described in the Digia Qt LGPL Exception
    ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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    ** GNU General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU
    ** General Public License version 3.0 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
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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 }
                }
            }
        }
    }