/*=====================================================================

QGroundControl Open Source Ground Control Station

(c) 2009, 2015 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>

This file is part of the QGROUNDCONTROL project

    QGROUNDCONTROL is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    QGROUNDCONTROL is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.

======================================================================*/

/**
 * @file
 *   @brief QGC Fly View Widgets
 *   @author Gus Grubba <mavlink@grubba.com>
 */

import QtQuick 2.4

import QGroundControl.Controls      1.0
import QGroundControl.ScreenTools   1.0
import QGroundControl.FactSystem    1.0

Item {
    id:     root
    height: size

    signal clicked

    property alias  heading:        compass.heading
    property alias  rollAngle:      attitude.rollAngle
    property alias  pitchAngle:     attitude.pitchAngle
    property real   size:           _defaultSize
    property bool   isSatellite:    false
    property bool   active:         false

    property Fact   _emptyFact:         Fact { }
    property Fact   groundSpeedFact:    _emptyFact
    property Fact   airSpeedFact:       _emptyFact
    property Fact   altitudeFact:       _emptyFact

    property real   _defaultSize:   ScreenTools.defaultFontPixelSize * (9)

    property real   _sizeRatio:     ScreenTools.isTinyScreen ? (size / _defaultSize) * 0.5 : size / _defaultSize
    property real   _bigFontSize:   ScreenTools.defaultFontPixelSize * 2.5  * _sizeRatio
    property real   _normalFontSize:ScreenTools.defaultFontPixelSize * 1.5  * _sizeRatio
    property real   _labelFontSize: ScreenTools.defaultFontPixelSize * 0.75 * _sizeRatio

    //-- Instrument Panel
    Rectangle {
        id:                     instrumentPanel
        height:                 instruments.height + (size * 0.05)
        width:                  root.size
        radius:                 root.size / 2
        color:                  isSatellite ? Qt.rgba(1,1,1,0.75) : Qt.rgba(0,0,0,0.75)
        anchors.right:          parent.right
        anchors.verticalCenter: parent.verticalCenter
        Column {
            id:                 instruments
            width:              parent.width
            spacing:            ScreenTools.defaultFontPixelSize * 0.33
            anchors.verticalCenter: parent.verticalCenter
            //-- Attitude Indicator
            QGCAttitudeWidget {
                id:             attitude
                size:           parent.width * 0.95
                active:         root.active
                anchors.horizontalCenter: parent.horizontalCenter
            }
            //-- Altitude
            Rectangle {
                height:         1
                width:          parent.width * 0.9
                color:          isSatellite ? Qt.rgba(0,0,0,0.25) : Qt.rgba(1,1,1,0.25)
                anchors.horizontalCenter: parent.horizontalCenter
            }
            QGCLabel {
                text:           altitudeFact.shortDescription + " (" + altitudeFact.units + ")"
                font.pixelSize: _labelFontSize
                width:          parent.width
                height:         _labelFontSize
                color:          isSatellite ? "black" : "white"
                horizontalAlignment: TextEdit.AlignHCenter
            }
            QGCLabel {
                text:           altitudeFact.valueString
                font.pixelSize: _bigFontSize
                font.weight:    Font.DemiBold
                width:          parent.width
                color:          isSatellite ? "black" : "white"
                horizontalAlignment: TextEdit.AlignHCenter
            }
            //-- Ground Speed
            Rectangle {
                height:         1
                width:          parent.width * 0.9
                color:          isSatellite ? Qt.rgba(0,0,0,0.25) : Qt.rgba(1,1,1,0.25)
                anchors.horizontalCenter: parent.horizontalCenter
                visible:        airSpeedFact.value <= 0 && !ScreenTools.isTinyScreen
            }
            QGCLabel {
                text:           groundSpeedFact.shortDescription + " (" + groundSpeedFact.units + ")"
                font.pixelSize: _labelFontSize
                width:          parent.width
                height:         _labelFontSize
                color:          isSatellite ? "black" : "white"
                horizontalAlignment: TextEdit.AlignHCenter
                visible:        airSpeedFact.value <= 0 && !ScreenTools.isTinyScreen
            }
            QGCLabel {
                text:           groundSpeedFact.valueString
                font.pixelSize: _normalFontSize
                font.weight:    Font.DemiBold
                width:          parent.width
                color:          isSatellite ? "black" : "white"
                horizontalAlignment: TextEdit.AlignHCenter
                visible:        airSpeedFact.value <= 0 && !ScreenTools.isTinyScreen
            }
            //-- Air Speed
            Rectangle {
                height:         1
                width:          parent.width * 0.9
                color:          isSatellite ? Qt.rgba(0,0,0,0.25) : Qt.rgba(1,1,1,0.25)
                anchors.horizontalCenter: parent.horizontalCenter
                visible:        airSpeedFact.value > 0 && !ScreenTools.isTinyScreen
            }
            QGCLabel {
                text:           airSpeedFact.shortDescription + " (" + airSpeedFact.units + ")"
                font.pixelSize: _labelFontSize
                width:          parent.width
                height:         _labelFontSize
                color:          isSatellite ? "black" : "white"
                visible:        airSpeedFact.value > 0 && !ScreenTools.isTinyScreen
                horizontalAlignment: TextEdit.AlignHCenter
            }
            QGCLabel {
                text:           airSpeedFact.valueString
                font.pixelSize: _normalFontSize
                font.weight:    Font.DemiBold
                width:          parent.width
                color:          isSatellite ? "black" : "white"
                visible:        airSpeedFact.value > 0 && !ScreenTools.isTinyScreen
                horizontalAlignment: TextEdit.AlignHCenter
            }
            //-- Compass
            Rectangle {
                height:         1
                width:          parent.width * 0.9
                color:          isSatellite ? Qt.rgba(0,0,0,0.25) : Qt.rgba(1,1,1,0.25)
                anchors.horizontalCenter: parent.horizontalCenter
            }
            QGCCompassWidget {
                id:             compass
                size:           parent.width * 0.95
                active:         root.active
                anchors.horizontalCenter: parent.horizontalCenter
            }
        }
        MouseArea {
            anchors.fill: parent
            onClicked: {
                onClicked: root.clicked()
            }
        }
    }
}