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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 2.0

Rectangle {
    id: planetButton

    property alias text: planetText.text
    property alias source: planetImage.source
    property alias focusPlanet: planetImage.focusPlanet
    property Item planetSelector: parent.parent
    property int buttonSize: 70
    property int fontSize: 16

    width: buttonSize
    height: buttonSize
    color: "transparent"

    Image {
        id: planetImage
        anchors.fill: parent
        property int focusPlanet

        MouseArea {
            anchors.fill: parent
            hoverEnabled: true
            onClicked: { planetSelector.focusedPlanet = focusPlanet }
            onEntered: PropertyAnimation { target: planetText; property: "opacity"; to: 1 }
            onExited: PropertyAnimation {
                target: planetText
                property: "opacity"
                to: {
                    if (planetText.text != "Solar System")
                       0
                    else
                       1
                }
            }
        }
    }

    Text {
        id: planetText
        anchors.centerIn: parent
        font.family: "Helvetica"
        font.pixelSize: fontSize
        font.weight: Font.Light
        color: "white"
        opacity: {
            if (text == "Solar System")
                opacity = 1
            else
                opacity = 0
        }
    }
}