diff options
Diffstat (limited to 'examples/quickcontrols/wearable/qml/Navigation/navigation.js')
-rw-r--r-- | examples/quickcontrols/wearable/qml/Navigation/navigation.js | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/examples/quickcontrols/wearable/qml/Navigation/navigation.js b/examples/quickcontrols/wearable/qml/Navigation/navigation.js new file mode 100644 index 0000000000..e82cccbea5 --- /dev/null +++ b/examples/quickcontrols/wearable/qml/Navigation/navigation.js @@ -0,0 +1,84 @@ +// Copyright (C) 2017 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +function requestNavigationRoute(rModel) { + var xhr = new XMLHttpRequest; + xhr.open("GET", "walk_route.json"); + xhr.onreadystatechange = function () { + if (xhr.readyState === XMLHttpRequest.DONE) { + var a = JSON.parse(xhr.responseText); + var steps = a.routes[0].legs[0].steps; + + for (var step in steps) { + var maneuver = steps[step].maneuver; + var duration = steps[step].duration; + var distance = steps[step].distance; + + rModel.append({ + navInstruction: maneuver.instruction, + navImage: getNavigationImage( + maneuver.type, + maneuver.modifier, + routeView.imageList), + navAuxInfo: getAuxInfo(distance, + duration) + }); + } + } + } + xhr.send(); +} + +function getNavigationImage(maneuverType, maneuverModifier, imageList) { + var imageToReturn; + if (maneuverType === "depart") { + imageToReturn = imageList[4]; + } else if (maneuverType === "arrive") { + imageToReturn = imageList[5]; + } else if (maneuverType === "turn") { + if (maneuverModifier.search("left") >= 0) + imageToReturn = imageList[1]; + else if (maneuverModifier.search("right") >= 0) + imageToReturn = imageList[2]; + else + imageToReturn = imageList[0]; + } else { + if (maneuverModifier === "uturn") { + imageToReturn = imageList[3]; + } else { + imageToReturn = imageList[0]; + } + } + + return imageToReturn; +} + +function getAuxInfo(distInMeters, timeInSecs) { + var distance = convertDistance(distInMeters); + if (distance.length > 0) + return "Distance: " + distance + "\nTime: " + formatSeconds( + timeInSecs); + else + return ""; +} + +function convertDistance(meter) { + var dist = ""; + var feet = (meter * 0.3048).toPrecision(6); + var miles = (meter * 0.000621371).toPrecision(6); + + if (Math.floor(miles) > 1) { + dist += Math.floor(miles) + " mi"; + feet = ((miles - Math.floor(miles)) * 0.3048).toPrecision(6); + } + if (Math.floor(feet) > 1) + dist += Math.floor(feet) + " ft"; + + return dist +} + +function formatSeconds(seconds) { + var date = new Date(1970, 0, 1); + date.setSeconds(seconds); + return date.toTimeString().replace(/.*(\d{2}:\d{2}:\d{2}).*/, "$1"); +} |