/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtQuick Enterprise Controls Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/

import QtQuick 2.0
import QtQuick.Enterprise.Controls.Styles 1.1

DashboardGaugeStyle {
    id: tachometerStyle
    tickmarkStepSize: 1
    labelStepSize: 1
    needleLength: toPixels(0.85)
    needleBaseWidth: toPixels(0.08)
    needleTipWidth: toPixels(0.03)

    tickmark: Rectangle {
        width: toPixels(0.03)
        antialiasing: true
        height: toPixels(0.08)
        color: styleData.index === 7 || styleData.index === 8 ? Qt.rgba(0.5, 0, 0, 1) : "#c8c8c8"
    }

    minorTickmark: null

    tickmarkLabel: Text {
        font.pixelSize: Math.max(6, toPixels(0.12))
        text: styleData.value
        color: styleData.index === 7 || styleData.index === 8 ? Qt.rgba(0.5, 0, 0, 1) : "#c8c8c8"
        antialiasing: true
    }

    background: Canvas {
        onPaint: {
            var ctx = getContext("2d");
            ctx.reset();
            paintBackground(ctx);

            ctx.beginPath();
            ctx.lineWidth = tachometerStyle.toPixels(0.08);
            ctx.strokeStyle = Qt.rgba(0.5, 0, 0, 1);
            var warningCircumference = maximumValueAngle - minimumValueAngle * 0.1;
            var startAngle = maximumValueAngle - 90;
            ctx.arc(outerRadius, outerRadius,
                // Start the line in from the decorations, and account for the width of the line itself.
                outerRadius - tickmarkInset - ctx.lineWidth / 2,
                degToRad(startAngle - angleRange / 8 + angleRange * 0.015),
                degToRad(startAngle - angleRange * 0.015), false);
            ctx.stroke();
        }

        Text {
            id: rpmText
            font.pixelSize: tachometerStyle.toPixels(0.3)
            text: rpmInt
            color: "white"
            horizontalAlignment: Text.AlignRight
            anchors.horizontalCenter: parent.horizontalCenter
            anchors.top: parent.verticalCenter
            anchors.topMargin: 20

            readonly property int rpmInt: valueSource.rpm
        }
        Text {
            text: "x1000"
            color: "white"
            font.pixelSize: tachometerStyle.toPixels(0.1)
            anchors.top: parent.top
            anchors.topMargin: parent.height / 4
            anchors.horizontalCenter: parent.horizontalCenter
        }
        Text {
            text: "RPM"
            color: "white"
            font.pixelSize: tachometerStyle.toPixels(0.1)
            anchors.top: rpmText.bottom
            anchors.horizontalCenter: parent.horizontalCenter
        }
    }
}