MapComponent.qml Example File
places/items/MapComponent.qml
import QtQuick 2.5
import QtQuick.Controls 1.4
import QtPositioning 5.5
import QtLocation 5.6
import "../helper.js" as Helper
Map {
id: map
property bool followme: false
property variant scaleLengths: [5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000, 2000000]
function calculateScale()
{
var coord1, coord2, dist, text, f
f = 0
coord1 = map.toCoordinate(Qt.point(0,scale.y))
coord2 = map.toCoordinate(Qt.point(0+scaleImage.sourceSize.width,scale.y))
dist = Math.round(coord1.distanceTo(coord2))
if (dist === 0) {
} else {
for (var i = 0; i < scaleLengths.length-1; i++) {
if (dist < (scaleLengths[i] + scaleLengths[i+1]) / 2 ) {
f = scaleLengths[i] / dist
dist = scaleLengths[i]
break;
}
}
if (f === 0) {
f = dist / scaleLengths[i]
dist = scaleLengths[i]
}
}
text = Helper.formatDistance(dist)
scaleImage.width = (scaleImage.sourceSize.width * f) - 2 * scaleImageLeft.sourceSize.width
scaleText.text = text
}
center {
latitude: 59.9485
longitude: 10.7686
}
gesture.flickDeceleration: 3000
gesture.enabled: true
onCopyrightLinkActivated: Qt.openUrlExternally(link)
onCenterChanged:{
scaleTimer.restart()
if (map.followme)
if (map.center != positionSource.position.coordinate) map.followme = false
}
onZoomLevelChanged:{
scaleTimer.restart()
if (map.followme) map.center = positionSource.position.coordinate
}
onWidthChanged:{
scaleTimer.restart()
}
onHeightChanged:{
scaleTimer.restart()
}
Keys.onPressed: {
if (event.key === Qt.Key_Plus) {
map.zoomLevel++
} else if (event.key === Qt.Key_Minus) {
map.zoomLevel--
}
}
Timer {
id: scaleTimer
interval: 100
running: false
repeat: false
onTriggered: {
map.calculateScale()
}
}
Item {
id: scale
visible: scaleText.text != "0 m"
z: map.z + 3
anchors.bottom: parent.bottom
anchors.right: parent.right
anchors.margins: 20
height: scaleText.height * 2
width: scaleImage.width
Image {
id: scaleImageLeft
source: "../../resources/scale_end.png"
anchors.bottom: parent.bottom
anchors.right: scaleImage.left
}
Image {
id: scaleImage
source: "../../resources/scale.png"
anchors.bottom: parent.bottom
anchors.right: scaleImageRight.left
}
Image {
id: scaleImageRight
source: "../../resources/scale_end.png"
anchors.bottom: parent.bottom
anchors.right: parent.right
}
Label {
id: scaleText
color: "#004EAE"
anchors.centerIn: parent
text: "0 m"
}
Component.onCompleted: {
map.calculateScale();
}
}
MapQuickItem {
id: poiTheQtComapny
sourceItem: Rectangle { width: 14; height: 14; color: "#e41e25"; border.width: 2; border.color: "white"; smooth: true; radius: 7 }
coordinate {
latitude: 59.9485
longitude: 10.7686
}
opacity:1.0
anchorPoint: Qt.point(sourceItem.width/2, sourceItem.height/2)
}
MapQuickItem {
sourceItem: Text{
text: "The Qt Company"
color:"#242424"
font.bold: true
styleColor: "#ECECEC"
style: Text.Outline
}
coordinate: poiTheQtComapny.coordinate
anchorPoint: Qt.point(-poiTheQtComapny.sourceItem.width * 0.5,poiTheQtComapny.sourceItem.height * 1.5)
}
PositionSource{
id: positionSource
active: followme
onPositionChanged: {
map.center = positionSource.position.coordinate
}
}
Slider {
id: zoomSlider;
z: map.z + 3
minimumValue: map.minimumZoomLevel;
maximumValue: map.maximumZoomLevel;
anchors.margins: 10
anchors.bottom: scale.top
anchors.top: parent.top
anchors.right: parent.right
orientation : Qt.Vertical
value: map.zoomLevel
onValueChanged: {
map.zoomLevel = value
}
}
}