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50
51import QtQuick 2.5
52import QtPositioning 5.3
53import QtLocation 5.6
54
55Rectangle{
56
57    function clamp(num, min, max)
58    {
59      return num < min ? min : num > max ? max : num;
60    }
61
62    function minimumScaleFactor()
63    {
64        var hscalefactor = (400.0 / Math.max(Math.min(map.width, 1000), 400)) * 0.5
65        var vscalefactor = (400.0 / Math.max(Math.min(map.height, 1000), 400)) * 0.5
66        return Math.min(hscalefactor,vscalefactor)
67    }
68
69    function avgScaleFactor()
70    {
71        var hscalefactor = (400.0 / Math.max(Math.min(map.width, 1000), 400)) * 0.5
72        var vscalefactor = (400.0 / Math.max(Math.min(map.height, 1000), 400)) * 0.5
73        return (hscalefactor+vscalefactor) * 0.5
74    }
75
76    id: miniMapRect
77    width: Math.floor(map.width * avgScaleFactor()) + 2
78    height: Math.floor(map.height * avgScaleFactor()) + 2
79    anchors.right: (parent) ? parent.right : undefined
80    anchors.rightMargin: 10
81    anchors.top: (parent) ? parent.top : undefined
82    anchors.topMargin: 10
83    color: "#242424"
84    Map {
85        id: miniMap
86        anchors.top: parent.top
87        anchors.topMargin: 1
88        anchors.left: parent.left
89        anchors.leftMargin: 1
90        width: Math.floor(map.width * avgScaleFactor())
91        height: Math.floor(map.height * avgScaleFactor())
92        zoomLevel: clamp(map.zoomLevel - 4.5, 2.0, 5.0) //(map.zoomLevel > minimumZoomLevel + 3) ? minimumZoomLevel + 3 : 1.5
93        center: map.center
94        plugin: map.plugin
95        gesture.enabled: false
96        copyrightsVisible: false
97        property double mapZoomLevel : map.zoomLevel
98
99        // cannot use property bindings on map.visibleRegion in MapRectangle because it's non-NOTIFYable
100        onCenterChanged: miniMapRectangle.updateCoordinates()
101        onMapZoomLevelChanged: miniMapRectangle.updateCoordinates()
102        onWidthChanged: miniMapRectangle.updateCoordinates()
103        onHeightChanged: miniMapRectangle.updateCoordinates()
104
105        MapRectangle {
106            id: miniMapRectangle
107            color: "#44ff0000"
108            border.width: 1
109            border.color: "red"
110
111            function getMapVisibleRegion()
112            {
113                return QtPositioning.shapeToRectangle(map.visibleRegion)
114            }
115
116            function updateCoordinates()
117            {
118                topLeft.latitude =  getMapVisibleRegion().topLeft.latitude
119                topLeft.longitude=  getMapVisibleRegion().topLeft.longitude
120                bottomRight.latitude =  getMapVisibleRegion().bottomRight.latitude
121                bottomRight.longitude=  getMapVisibleRegion().bottomRight.longitude
122                console.log("TopLeft: " + topLeft)
123                console.log("BotRigh: " + bottomRight)
124            }
125        }
126    }
127}
128