/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

import QtQuick 2.12
import QtQuick.Templates 2.12 as T
import Theme 1.0

T.CheckBox {
    id: control

    font: Theme.font

    implicitWidth: Math.max(background ? background.implicitWidth : 0,
                                         contentItem.implicitWidth + leftPadding + rightPadding)
    implicitHeight: Math.max(background ? background.implicitHeight : 0,
                                          Math.max(contentItem.implicitHeight,
                                                   indicator ? indicator.implicitHeight : 0) + topPadding + bottomPadding)
    leftPadding: 4
    indicator: Rectangle {
        id: checkboxHandle
        implicitWidth: Theme.baseSize * 2.6
        implicitHeight: Theme.baseSize * 2.6
        x: control.leftPadding
        anchors.verticalCenter: parent.verticalCenter
        radius: 2
        border.color: Theme.mainColor

        Rectangle {
            id: rectangle
            width: Theme.baseSize * 1.4
            height: Theme.baseSize * 1.4
            x: Theme.baseSize * 0.6
            y: Theme.baseSize * 0.6
            radius: Theme.baseSize * 0.4
            visible: false
            color: Theme.mainColor
        }

        states: [
            State {
                name: "unchecked"
                when: !control.checked && !control.down
            },
            State {
                name: "checked"
                when: control.checked && !control.down

                PropertyChanges {
                    target: rectangle
                    visible: true
                }
            },
            State {
                name: "unchecked_down"
                when: !control.checked && control.down

                PropertyChanges {
                    target: rectangle
                    color: Theme.mainColorDarker
                }

                PropertyChanges {
                    target: checkboxHandle
                    border.color: Theme.mainColorDarker
                }
            },
            State {
                name: "checked_down"
                extend: "unchecked_down"
                when: control.checked && control.down

                PropertyChanges {
                    target: rectangle
                    visible: true
                }
            }
        ]
    }

    background: Rectangle {
        implicitWidth: 140
        implicitHeight: Theme.baseSize * 3.8
        color: Theme.lightGray
        border.color: Theme.gray
    }

    contentItem: Text {
        leftPadding: control.indicator.width + 4

        text: control.text
        font: control.font
        color: Theme.dark
        elide: Text.ElideRight
        visible: control.text
        horizontalAlignment: Text.AlignLeft
        verticalAlignment: Text.AlignVCenter
    }
}