Tag.qml Example File

 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of the QtDeclarative module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
 ** This file contains pre-release code and may not be distributed.
 ** You may use this file in accordance with the terms and conditions
 ** contained in the Technology Preview License Agreement accompanying
 ** this package.
 **
 ** 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
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** In addition, as a special exception, Nokia gives you certain additional
 ** rights.  These rights are described in the Nokia Qt LGPL Exception
 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at [email protected].
 **
 **
 **
 **
 **
 **
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 import Qt 4.7

 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 }
             }
         }
     }
 }