import QtQuick          2.3
import QtQuick.Controls 1.2
import QtQuick.Controls.Styles 1.4
import QtQuick.Dialogs  1.2
import QtQuick.Extras   1.4
import QtQuick.Layouts  1.2

import QGroundControl               1.0
import QGroundControl.ScreenTools   1.0
import QGroundControl.Vehicle       1.0
import QGroundControl.Controls      1.0
import QGroundControl.FactControls  1.0
import QGroundControl.Palette       1.0
import QGroundControl.FlightMap     1.0

// Editor for Operating Area items
Rectangle {
    id:         _root
    height:     visible ? (editorColumn.height + (_margin * 2)) : 0
    width:      availableWidth
    color:      qgcPal.windowShadeDark
    radius:     _radius

    // The following properties must be available up the hierarchy chain
    //property real   availableWidth    ///< Width for control
    //property var    areaItem       ///< Mission Item for editor

    property real   _margin:                    ScreenTools.defaultFontPixelWidth / 2
    property real   _fieldWidth:                ScreenTools.defaultFontPixelWidth * 10.5
    //property var    polyline:                   areaItem.polyline
    //property bool   polylineInteractive:        polyline.interactive
    property bool   polygonInteractive:         areaItem.interactive
    property var    polygon:                    areaItem
    property bool   initNecesarry:              true

    onPolygonInteractiveChanged: {
        polygon.interactive = polygonInteractive;
    }




    QGCPalette { id: qgcPal; colorGroupEnabled: true }

    Column {
        id:                 editorColumn
        anchors.margins:    _margin
        anchors.top:        parent.top
        anchors.left:       parent.left
        anchors.right:      parent.right
        spacing:            _margin

        SectionHeader {
            id:         settingsHeader
            text:       qsTr("Settings")
        }

        Column {
            anchors.left:   parent.left
            anchors.right:  parent.right
            spacing:        _margin
            visible:        settingsHeader.checked

            GridLayout {
                anchors.left:   parent.left
                anchors.right:  parent.right
                columnSpacing:  _margin
                rowSpacing:     _margin
                columns:        2

                QGCLabel { text: qsTr("Altitude") }

                FactTextField {
                    fact:               areaItem.bottomLayerAltitude
                    Layout.fillWidth:   true
                }

                QGCLabel { text: qsTr("Layers") }

                FactTextField {
                    fact:               areaItem.numberOfLayers
                    Layout.fillWidth:   true
                }

                QGCLabel { text: qsTr("Layer Dist.") }

                FactTextField {
                    fact:               areaItem.layerDistance
                    Layout.fillWidth:   true
                }

                QGCLabel { text: qsTr("Offset") }

                FactTextField {
                    fact:               areaItem.borderPolygonOffset
                    Layout.fillWidth:   true
                }
            }

            FactCheckBox {
                text:               qsTr("Border Polygon")
                fact:               areaItem.showBorderPolygon
                //enabled:            !missionItem.followTerrain
            }

            Item {
                height: ScreenTools.defaultFontPixelHeight / 2
                width:  1
            }
        } // Column - Settings
        /*SectionHeader {
            id:         polylineHeader
            text:       qsTr("Gateway Poly Line")
        }

        QGCButton {
            id:                     polylineEditor
            anchors.topMargin:      _margin / 2
            anchors.leftMargin:     ScreenTools.defaultFontPixelWidth * 2
            anchors.rightMargin:    ScreenTools.defaultFontPixelWidth
            text:                   polylineInteractive ? "Done" : "Edit"

            onClicked: editPolyline()
        }

        QGCButton {
            id:                     swapEndpoints
            anchors.topMargin:      _margin / 2
            anchors.leftMargin:     ScreenTools.defaultFontPixelWidth * 2
            anchors.rightMargin:    ScreenTools.defaultFontPixelWidth
            text:                   "Swap End-Points"

            onClicked: polyline.swapEndPoints()
        }*/

        SectionHeader {
            id:     statsHeader
            text:   qsTr("Statistics")
        }

        Grid {
            columns:        2
            columnSpacing:  ScreenTools.defaultFontPixelWidth
            visible:        statsHeader.checked

            QGCLabel { text: qsTr("Area") }
            QGCLabel { text: QGroundControl.squareMetersToAppSettingsAreaUnits(areaItem.area).toFixed(2) + " " + QGroundControl.appSettingsAreaUnitsString }

            QGCLabel { text: qsTr("Nodes") }
            QGCLabel { text: areaItem.count }

            }
    } // Column
} // Rectangle