mapviewer.qml Example File

mapviewer/mapviewer.qml
/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/
import QtQuick 2.5 import QtQuick.Controls 1.4 import QtLocation 5.6 import QtPositioning 5.5 import "map" import "menus" import "helper.js" as Helper ApplicationWindow { id: appWindow property variant map property variant minimap property variant parameters //defaults property variant fromCoordinate: QtPositioning.coordinate(59.9483, 10.7695) property variant toCoordinate: QtPositioning.coordinate(59.9645, 10.671) function createMap(provider) { var plugin if (parameters && parameters.length>0) plugin = Qt.createQmlObject ('import QtLocation 5.6; Plugin{ name:"' + provider + '"; parameters: appWindow.parameters}', appWindow) else plugin = Qt.createQmlObject ('import QtLocation 5.6; Plugin{ name:"' + provider + '"}', appWindow) if (minimap) { minimap.destroy() minimap = null } var zoomLevel = null var tilt = null var bearing = null var fov = null var center = null var panelExpanded = null if (map) { zoomLevel = map.zoomLevel tilt = map.tilt bearing = map.bearing fov = map.fieldOfView center = map.center panelExpanded = map.slidersExpanded map.destroy() } map = mapComponent.createObject(page); map.plugin = plugin; if (zoomLevel != null) { map.tilt = tilt map.bearing = bearing map.fieldOfView = fov map.zoomLevel = zoomLevel map.center = center map.slidersExpanded = panelExpanded } else { // Use an integer ZL to enable nearest interpolation, if possible. map.zoomLevel = Math.floor((map.maximumZoomLevel - map.minimumZoomLevel)/2) // defaulting to 45 degrees, if possible. map.fieldOfView = Math.min(Math.max(45.0, map.minimumFieldOfView), map.maximumFieldOfView) } map.forceActiveFocus() } function getPlugins() { var plugin = Qt.createQmlObject ('import QtLocation 5.6; Plugin {}', appWindow) var myArray = new Array() for (var i = 0; i<plugin.availableServiceProviders.length; i++) { var tempPlugin = Qt.createQmlObject ('import QtLocation 5.6; Plugin {name: "' + plugin.availableServiceProviders[i]+ '"}', appWindow) if (tempPlugin.supportsMapping()) myArray.push(tempPlugin.name) } myArray.sort() return myArray } function initializeProviders(pluginParameters) { var parameters = new Array() for (var prop in pluginParameters){ var parameter = Qt.createQmlObject('import QtLocation 5.6; PluginParameter{ name: "'+ prop + '"; value: "' + pluginParameters[prop]+'"}',appWindow) parameters.push(parameter) } appWindow.parameters = parameters var plugins = getPlugins() mainMenu.providerMenu.createMenu(plugins) for (var i = 0; i<plugins.length; i++) { if (plugins[i] === "osm") mainMenu.selectProvider(plugins[i]) } } title: qsTr("Mapviewer") height: 640 width: 360 visible: true menuBar: mainMenu Address { id :fromAddress street: "Sandakerveien 116" city: "Oslo" country: "Norway" state : "" postalCode: "0484" } Address { id: toAddress street: "Holmenkollveien 140" city: "Oslo" country: "Norway" postalCode: "0791" } MainMenu { id: mainMenu function toggleMiniMapState() { if (minimap) { minimap.destroy() minimap = null } else { minimap = Qt.createQmlObject ('import "map"; MiniMap{ z: map.z + 2 }', map) } } function setLanguage(lang) { map.plugin.locales = lang; stackView.pop(page) } onSelectProvider: { stackView.pop() for (var i = 0; i < providerMenu.items.length; i++) { providerMenu.items[i].checked = providerMenu.items[i].text === providerName } createMap(providerName) if (map.error === Map.NoError) { selectMapType(map.activeMapType) toolsMenu.createMenu(map); } else { mapTypeMenu.clear(); toolsMenu.clear(); } } onSelectMapType: { stackView.pop(page) for (var i = 0; i < mapTypeMenu.items.length; i++) { mapTypeMenu.items[i].checked = mapTypeMenu.items[i].text === mapType.name } map.activeMapType = mapType } onSelectTool: { switch (tool) { case "AddressRoute": stackView.pop({item:page, immediate: true}) stackView.push({ item: Qt.resolvedUrl("forms/RouteAddress.qml") , properties: { "plugin": map.plugin, "toAddress": toAddress, "fromAddress": fromAddress}}) stackView.currentItem.showRoute.connect(map.calculateCoordinateRoute) stackView.currentItem.showMessage.connect(stackView.showMessage) stackView.currentItem.closeForm.connect(stackView.closeForm) break case "CoordinateRoute": stackView.pop({item:page, immediate: true}) stackView.push({ item: Qt.resolvedUrl("forms/RouteCoordinate.qml") , properties: { "toCoordinate": toCoordinate, "fromCoordinate": fromCoordinate}}) stackView.currentItem.showRoute.connect(map.calculateCoordinateRoute) stackView.currentItem.closeForm.connect(stackView.closeForm) break case "Geocode": stackView.pop({item:page, immediate: true}) stackView.push({ item: Qt.resolvedUrl("forms/Geocode.qml") , properties: { "address": fromAddress}}) stackView.currentItem.showPlace.connect(map.geocode) stackView.currentItem.closeForm.connect(stackView.closeForm) break case "RevGeocode": stackView.pop({item:page, immediate: true}) stackView.push({ item: Qt.resolvedUrl("forms/ReverseGeocode.qml") , properties: { "coordinate": fromCoordinate}}) stackView.currentItem.showPlace.connect(map.geocode) stackView.currentItem.closeForm.connect(stackView.closeForm) break case "Language": stackView.pop({item:page, immediate: true}) stackView.push({ item: Qt.resolvedUrl("forms/Locale.qml") , properties: { "locale": map.plugin.locales[0]}}) stackView.currentItem.selectLanguage.connect(setLanguage) stackView.currentItem.closeForm.connect(stackView.closeForm) break case "Clear": map.clearData() break case "Prefetch": map.prefetchData() break default: console.log("Unsupported operation") } } onToggleMapState: { stackView.pop(page) switch (state) { case "FollowMe": map.followme = !map.followme break case "MiniMap": toggleMiniMapState() isMiniMap = minimap break default: console.log("Unsupported operation") } } } MapPopupMenu { id: mapPopupMenu function show(coordinate) { stackView.pop(page) mapPopupMenu.coordinate = coordinate mapPopupMenu.markersCount = map.markers.length mapPopupMenu.mapItemsCount = map.mapItems.length mapPopupMenu.update() mapPopupMenu.popup() } onItemClicked: { stackView.pop(page) switch (item) { case "addMarker": map.addMarker() break case "getCoordinate": map.coordinatesCaptured(coordinate.latitude, coordinate.longitude) break case "fitViewport": map.fitViewportToMapItems() break case "deleteMarkers": map.deleteMarkers() break case "deleteItems": map.deleteMapItems() break default: console.log("Unsupported operation") } } } MarkerPopupMenu { id: markerPopupMenu function show(coordinate) { stackView.pop(page) markerPopupMenu.markersCount = map.markers.length markerPopupMenu.update() markerPopupMenu.popup() } function askForCoordinate() { stackView.push({ item: Qt.resolvedUrl("forms/ReverseGeocode.qml") , properties: { "title": qsTr("New Coordinate"), "coordinate": map.markers[map.currentMarker].coordinate}}) stackView.currentItem.showPlace.connect(moveMarker) stackView.currentItem.closeForm.connect(stackView.closeForm) } function moveMarker(coordinate) { map.markers[map.currentMarker].coordinate = coordinate; map.center = coordinate; stackView.pop(page) } onItemClicked: { stackView.pop(page) switch (item) { case "deleteMarker": map.deleteMarker(map.currentMarker) break; case "getMarkerCoordinate": map.coordinatesCaptured(map.markers[map.currentMarker].coordinate.latitude, map.markers[map.currentMarker].coordinate.longitude) break; case "moveMarkerTo": askForCoordinate() break; case "routeToNextPoint": case "routeToNextPoints": map.calculateMarkerRoute() break case "distanceToNextPoint": var coordinate1 = map.markers[currentMarker].coordinate; var coordinate2 = map.markers[currentMarker+1].coordinate; var distance = Helper.formatDistance(coordinate1.distanceTo(coordinate2)); stackView.showMessage(qsTr("Distance"),"<b>" + qsTr("Distance:") + "</b> " + distance) break case "drawImage": map.addGeoItem("ImageItem") break case "drawRectangle": map.addGeoItem("RectangleItem") break case "drawCircle": map.addGeoItem("CircleItem") break; case "drawPolyline": map.addGeoItem("PolylineItem") break; case "drawPolygonMenu": map.addGeoItem("PolygonItem") break default: console.log("Unsupported operation") } } } ItemPopupMenu { id: itemPopupMenu function show(type,coordinate) { stackView.pop(page) itemPopupMenu.type = type itemPopupMenu.update() itemPopupMenu.popup() } onItemClicked: { stackView.pop(page) switch (item) { case "showRouteInfo": stackView.showRouteListPage() break; case "deleteRoute": map.routeModel.reset(); break; case "showPointInfo": map.showGeocodeInfo() break; case "deletePoint": map.geocodeModel.reset() break; default: console.log("Unsupported operation") } } } StackView { id: stackView anchors.fill: parent focus: true initialItem: Item { id: page } function showMessage(title,message,backPage) { push({ item: Qt.resolvedUrl("forms/Message.qml") , properties: { "title" : title, "message" : message, "backPage" : backPage }}) currentItem.closeForm.connect(closeMessage) } function closeMessage(backPage) { pop(backPage) } function closeForm() { pop(page) } function showRouteListPage() { push({ item: Qt.resolvedUrl("forms/RouteList.qml") , properties: { "routeModel" : map.routeModel }}) currentItem.closeForm.connect(closeForm) } } Component { id: mapComponent MapComponent{ width: page.width height: page.height onFollowmeChanged: mainMenu.isFollowMe = map.followme onSupportedMapTypesChanged: mainMenu.mapTypeMenu.createMenu(map) onCoordinatesCaptured: { var text = "<b>" + qsTr("Latitude:") + "</b> " + Helper.roundNumber(latitude,4) + "<br/><b>" + qsTr("Longitude:") + "</b> " + Helper.roundNumber(longitude,4) stackView.showMessage(qsTr("Coordinates"),text); } onGeocodeFinished:{ if (map.geocodeModel.status == GeocodeModel.Ready) { if (map.geocodeModel.count == 0) { stackView.showMessage(qsTr("Geocode Error"),qsTr("Unsuccessful geocode")) } else if (map.geocodeModel.count > 1) { stackView.showMessage(qsTr("Ambiguous geocode"), map.geocodeModel.count + " " + qsTr("results found for the given address, please specify location")) } else { stackView.showMessage(qsTr("Location"), geocodeMessage(),page) } } else if (map.geocodeModel.status == GeocodeModel.Error) { stackView.showMessage(qsTr("Geocode Error"),qsTr("Unsuccessful geocode")) } } onRouteError: stackView.showMessage(qsTr("Route Error"),qsTr("Unable to find a route for the given points"),page) onShowGeocodeInfo: stackView.showMessage(qsTr("Location"),geocodeMessage(),page) onErrorChanged: { if (map.error != Map.NoError) { var title = qsTr("ProviderError") var message = map.errorString + "<br/><br/><b>" + qsTr("Try to select other provider") + "</b>" if (map.error == Map.MissingRequiredParameterError) message += "<br/>" + qsTr("or see") + " \'mapviewer --help\' " + qsTr("how to pass plugin parameters.") stackView.showMessage(title,message); } } onShowMainMenu: mapPopupMenu.show(coordinate) onShowMarkerMenu: markerPopupMenu.show(coordinate) onShowRouteMenu: itemPopupMenu.show("Route",coordinate) onShowPointMenu: itemPopupMenu.show("Point",coordinate) onShowRouteList: stackView.showRouteListPage() } } }

© 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.