/usr/lib/x86_64-linux-gnu/qt5/examples/location/mapviewer/map/MapComponent.qml is in qtlocation5-examples 5.5.1-3ubuntu1.
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**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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****************************************************************************/
import QtQuick 2.5
import QtQuick.Controls 1.4
import QtLocation 5.5
import QtPositioning 5.5
import "../helper.js" as Helper
//! [top]
Map {
id: map
//! [top]
property variant markers
property variant mapItems
property int markerCounter: 0 // counter for total amount of markers. Resets to 0 when number of markers = 0
property int currentMarker
property int lastX : -1
property int lastY : -1
property int pressX : -1
property int pressY : -1
property int jitterThreshold : 30
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]
property alias routeQuery: routeQuery
property alias routeModel: routeModel
property alias geocodeModel: geocodeModel
signal showGeocodeInfo()
signal geocodeFinished()
signal routeError()
signal coordinatesCaptured(double latitude, double longitude)
signal showMainMenu(variant coordinate)
signal showMarkerMenu(variant coordinate)
signal showRouteMenu(variant coordinate)
signal showPointMenu(variant coordinate)
signal showRouteList()
function geocodeMessage()
{
var street, district, city, county, state, countryCode, country, postalCode, latitude, longitude, text
latitude = Math.round(geocodeModel.get(0).coordinate.latitude * 10000) / 10000
longitude =Math.round(geocodeModel.get(0).coordinate.longitude * 10000) / 10000
street = geocodeModel.get(0).address.street
district = geocodeModel.get(0).address.district
city = geocodeModel.get(0).address.city
county = geocodeModel.get(0).address.county
state = geocodeModel.get(0).address.state
countryCode = geocodeModel.get(0).address.countryCode
country = geocodeModel.get(0).address.country
postalCode = geocodeModel.get(0).address.postalCode
text = "<b>Latitude:</b> " + latitude + "<br/>"
text +="<b>Longitude:</b> " + longitude + "<br/>" + "<br/>"
if (street) text +="<b>Street: </b>"+ street + " <br/>"
if (district) text +="<b>District: </b>"+ district +" <br/>"
if (city) text +="<b>City: </b>"+ city + " <br/>"
if (county) text +="<b>County: </b>"+ county + " <br/>"
if (state) text +="<b>State: </b>"+ state + " <br/>"
if (countryCode) text +="<b>Country code: </b>"+ countryCode + " <br/>"
if (country) text +="<b>Country: </b>"+ country + " <br/>"
if (postalCode) text +="<b>PostalCode: </b>"+ postalCode + " <br/>"
return text
}
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
}
function deleteMarkers()
{
var count = map.markers.length
for (var i = 0; i<count; i++){
map.removeMapItem(map.markers[i])
map.markers[i].destroy()
}
map.markers = []
markerCounter = 0
}
function deleteMapItems()
{
var count = map.mapItems.length
for (var i = 0; i<count; i++){
map.removeMapItem(map.mapItems[i])
map.mapItems[i].destroy()
}
map.mapItems = []
}
function addMarker()
{
var count = map.markers.length
markerCounter++
var marker = Qt.createQmlObject ('Marker {}', map)
map.addMapItem(marker)
marker.z = map.z+1
marker.coordinate = mouseArea.lastCoordinate
//update list of markers
var myArray = new Array()
for (var i = 0; i<count; i++){
myArray.push(markers[i])
}
myArray.push(marker)
markers = myArray
}
function addGeoItem(item)
{
var count = map.mapItems.length
var co = Qt.createComponent(item+'.qml')
if (co.status == Component.Ready) {
var o = co.createObject(map)
o.setGeometry(map.markers, currentMarker)
map.addMapItem(o)
//update list of items
var myArray = new Array()
for (var i = 0; i<count; i++){
myArray.push(mapItems[i])
}
myArray.push(o)
mapItems = myArray
} else {
console.log(item + " is not supported right now, please call us later.")
}
}
function deleteMarker(index)
{
//update list of markers
var myArray = new Array()
var count = map.markers.length
for (var i = 0; i<count; i++){
if (index != i) myArray.push(map.markers[i])
}
map.removeMapItem(map.markers[index])
map.markers[index].destroy()
map.markers = myArray
if (markers.length == 0) markerCounter = 0
}
function calculateMarkerRoute()
{
routeQuery.clearWaypoints();
for (var i = currentMarker; i< map.markers.length; i++){
routeQuery.addWaypoint(markers[i].coordinate)
}
routeQuery.travelModes = RouteQuery.CarTravel
routeQuery.routeOptimizations = RouteQuery.ShortestRoute
routeQuery.setFeatureWeight(0, 0)
routeModel.update();
}
function calculateCoordinateRoute(startCoordinate, endCoordinate)
{
//! [routerequest0]
// clear away any old data in the query
routeQuery.clearWaypoints();
// add the start and end coords as waypoints on the route
routeQuery.addWaypoint(startCoordinate)
routeQuery.addWaypoint(endCoordinate)
routeQuery.travelModes = RouteQuery.CarTravel
routeQuery.routeOptimizations = RouteQuery.FastestRoute
//! [routerequest0]
//! [routerequest0 feature weight]
for (var i=0; i<9; i++) {
routeQuery.setFeatureWeight(i, 0)
}
//for (var i=0; i<routeDialog.features.length; i++) {
// map.routeQuery.setFeatureWeight(routeDialog.features[i], RouteQuery.AvoidFeatureWeight)
//}
//! [routerequest0 feature weight]
//! [routerequest1]
routeModel.update();
//! [routerequest1]
//! [routerequest2]
// center the map on the start coord
map.center = startCoordinate;
//! [routerequest2]
}
function geocode(fromAddress)
{
//! [geocode1]
// send the geocode request
geocodeModel.query = fromAddress
geocodeModel.update()
//! [geocode1]
}
//! [coord]
zoomLevel: (maximumZoomLevel - minimumZoomLevel)/2
center {
// The Qt Company in Oslo
latitude: 59.9485
longitude: 10.7686
}
//! [coord]
//! [mapnavigation]
// Enable pan, flick, and pinch gestures to zoom in and out
gesture.activeGestures: MapGestureArea.PanGesture | MapGestureArea.FlickGesture | MapGestureArea.ZoomGesture
gesture.flickDeceleration: 3000
gesture.enabled: true
//! [mapnavigation]
focus: 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()
}
Component.onCompleted: {
markers = new Array();
mapItems = new Array();
}
Keys.onPressed: {
if (event.key === Qt.Key_Plus) {
map.zoomLevel++
} else if (event.key === Qt.Key_Minus) {
map.zoomLevel--
}
}
/* @todo
Binding {
target: map
property: 'center'
value: positionSource.position.coordinate
when: followme
}*/
PositionSource{
id: positionSource
active: followme
onPositionChanged: {
map.center = positionSource.position.coordinate
}
}
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)
}
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
}
}
Item {
id: scale
z: map.z + 3
visible: scaleText.text != "0 m"
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();
}
}
//! [routemodel0]
RouteModel {
id: routeModel
plugin : map.plugin
query: RouteQuery {
id: routeQuery
}
onStatusChanged: {
if (status == RouteModel.Ready) {
switch (count) {
case 0:
// technically not an error
map.routeError()
break
case 1:
map.showRouteList()
break
}
} else if (status == RouteModel.Error) {
map.routeError()
}
}
}
//! [routemodel0]
//! [routedelegate0]
Component {
id: routeDelegate
MapRoute {
id: route
route: routeData
line.color: "#46a2da"
line.width: 5
smooth: true
opacity: 0.8
//! [routedelegate0]
MouseArea {
id: routeMouseArea
anchors.fill: parent
hoverEnabled: false
property variant lastCoordinate
onPressed : {
map.lastX = mouse.x + parent.x
map.lastY = mouse.y + parent.y
map.pressX = mouse.x + parent.x
map.pressY = mouse.y + parent.y
lastCoordinate = map.toCoordinate(Qt.point(mouse.x, mouse.y))
}
onPositionChanged: {
if (mouse.button == Qt.LeftButton) {
map.lastX = mouse.x + parent.x
map.lastY = mouse.y + parent.y
}
}
onPressAndHold:{
if (Math.abs(map.pressX - parent.x- mouse.x ) < map.jitterThreshold
&& Math.abs(map.pressY - parent.y - mouse.y ) < map.jitterThreshold) {
showRouteMenu(lastCoordinate);
}
}
}
//! [routedelegate1]
}
}
//! [routedelegate1]
//! [geocodemodel0]
GeocodeModel {
id: geocodeModel
plugin: map.plugin
onStatusChanged: {
if ((status == GeocodeModel.Ready) || (status == GeocodeModel.Error))
map.geocodeFinished()
}
onLocationsChanged:
{
if (count == 1) {
map.center.latitude = get(0).coordinate.latitude
map.center.longitude = get(0).coordinate.longitude
}
}
}
//! [geocodemodel0]
//! [pointdel0]
Component {
id: pointDelegate
MapCircle {
id: point
radius: 1000
color: "#46a2da"
border.color: "#190a33"
border.width: 2
smooth: true
opacity: 0.25
center: locationData.coordinate
//! [pointdel0]
MouseArea {
anchors.fill:parent
id: circleMouseArea
hoverEnabled: false
property variant lastCoordinate
onPressed : {
map.lastX = mouse.x + parent.x
map.lastY = mouse.y + parent.y
map.pressX = mouse.x + parent.x
map.pressY = mouse.y + parent.y
lastCoordinate = map.toCoordinate(Qt.point(mouse.x, mouse.y))
}
onPositionChanged: {
if (Math.abs(map.pressX - parent.x- mouse.x ) > map.jitterThreshold ||
Math.abs(map.pressY - parent.y -mouse.y ) > map.jitterThreshold) {
if (pressed) parent.radius = parent.center.distanceTo(
map.toCoordinate(Qt.point(mouse.x, mouse.y)))
}
if (mouse.button == Qt.LeftButton) {
map.lastX = mouse.x + parent.x
map.lastY = mouse.y + parent.y
}
}
onPressAndHold:{
if (Math.abs(map.pressX - parent.x- mouse.x ) < map.jitterThreshold
&& Math.abs(map.pressY - parent.y - mouse.y ) < map.jitterThreshold) {
showPointMenu(lastCoordinate);
}
}
}
//! [pointdel1]
}
}
//! [pointdel1]
//! [routeview0]
MapItemView {
model: routeModel
delegate: routeDelegate
//! [routeview0]
autoFitViewport: true
//! [routeview1]
}
//! [routeview1]
//! [geocodeview]
MapItemView {
model: geocodeModel
delegate: pointDelegate
}
//! [geocodeview]
Timer {
id: scaleTimer
interval: 100
running: false
repeat: false
onTriggered: {
map.calculateScale()
}
}
MouseArea {
id: mouseArea
property variant lastCoordinate
anchors.fill: parent
acceptedButtons: Qt.LeftButton | Qt.RightButton
onPressed : {
map.lastX = mouse.x
map.lastY = mouse.y
map.pressX = mouse.x
map.pressY = mouse.y
lastCoordinate = map.toCoordinate(Qt.point(mouse.x, mouse.y))
}
onPositionChanged: {
if (mouse.button == Qt.LeftButton) {
map.lastX = mouse.x
map.lastY = mouse.y
}
}
onDoubleClicked: {
map.center = map.toCoordinate(Qt.point(mouse.x, mouse.y))
if (mouse.button === Qt.LeftButton) {
map.zoomLevel++
} else if (mouse.button === Qt.RightButton) {
map.zoomLevel--
}
lastX = -1
lastY = -1
}
onPressAndHold:{
if (Math.abs(map.pressX - mouse.x ) < map.jitterThreshold
&& Math.abs(map.pressY - mouse.y ) < map.jitterThreshold) {
showMainMenu(lastCoordinate);
}
}
}
//! [end]
}
//! [end]
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