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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Controls
import QtPositioning
import QtLocation
import "../helper.js" as Helper
MapView {
id: view
property bool followme: false
property var 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) {
// not visible
} 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
}
map.center {
// The Qt Company in Oslo
latitude: 59.9485
longitude: 10.7686
}
map.onCopyrightLinkActivated: Qt.openUrlExternally(link)
map.onCenterChanged: {
scaleTimer.restart()
if (map.followme)
if (map.center !== positionSource.position.coordinate) map.followme = false
}
map.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: {
view.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: Qt.resolvedUrl("../resources/scale_end.png")
anchors.bottom: parent.bottom
anchors.right: scaleImage.left
}
Image {
id: scaleImage
source: Qt.resolvedUrl("../resources/scale.png")
anchors.bottom: parent.bottom
anchors.right: scaleImageRight.left
}
Image {
id: scaleImageRight
source: Qt.resolvedUrl("../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: {
view.calculateScale();
}
}
MapQuickItem {
parent: view.map
id: poiTheQtCompany
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 {
parent: view.map
sourceItem: Text{
text: "The Qt Company"
color:"#242424"
font.bold: true
styleColor: "#ECECEC"
style: Text.Outline
}
coordinate: poiTheQtCompany.coordinate
anchorPoint: Qt.point(-poiTheQtCompany.sourceItem.width * 0.5,poiTheQtCompany.sourceItem.height * 1.5)
}
PositionSource{
id: positionSource
active: followme
onPositionChanged: {
view.map.center = positionSource.position.coordinate
}
}
Slider {
id: zoomSlider;
z: map.z + 3
from: map.minimumZoomLevel;
to: 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
}
}
}
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