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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of Qt for Device Creation.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

import QtQuick 2.6

Rectangle {
    id: theButton

    radius: 10
    color: "lightgray"

    property alias text: buttonText.text
    signal triggered()

    property int percent : 0
    state: "UNPRESSED"

    states: [
        State {
            name: "UNPRESSED"
        },
        State {
            name: "PRESSED"
        }
    ]

    transitions: [ Transition {
        from: "UNPRESSED"
        to: "PRESSED"
            NumberAnimation {
                target: theButton
                property: "percent"
                to: 100
                duration: 1500
            }
    },
        Transition {
                from: "PRESSED"
                to: "UNPRESSED"
                    NumberAnimation {
                        target: theButton
                        property: "percent"
                        to: 0
                        duration: 100
                    }
                }
    ]
    Rectangle {
        radius: 10
        color: "red"
        anchors.left: parent.left
        anchors.top: parent.top
        anchors.bottom: parent.bottom
        width: parent.width * percent / 100
        visible: percent > 0
    }

    Text {
        id: buttonText
        anchors.verticalCenter: parent.verticalCenter
        anchors.left: parent.left
        anchors.right: parent.right
        anchors.margins: 10
        text: "[Uninitialized]"
    }

    MouseArea {
        id: mouser
        anchors.fill: parent

        Timer {
            id: timer
            interval: 1000
        }

        onPressed: parent.state = "PRESSED"

        onReleased: {
            if (containsMouse && parent.percent >= 100) {
                parent.triggered()
            }
            parent.state = "UNPRESSED"
        }

        onPositionChanged: {
            parent.state = containsMouse ? "PRESSED" : "UNPRESSED"
        }
    }
}