From a4d011116c35bb9bef8589c88ed38b3043f9e072 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Sat, 09 Feb 2019 13:42:55 +0000
Subject: [PATCH] Add geolocation tracking feature
---
map.js | 297 ++++++++++++++++++++++++++++++++++++++++-------------------
1 files changed, 200 insertions(+), 97 deletions(-)
diff --git a/map.js b/map.js
index 3705044..2db053a 100644
--- a/map.js
+++ b/map.js
@@ -3,6 +3,14 @@
var ttss_refresh = 10000; // 10 seconds
var ttss_position_type = 'CORRECTED';
+var geolocation = null;
+var geolocation_set = 0;
+var geolocation_button = null;
+var geolocation_feature = null;
+var geolocation_accuracy = null;
+var geolocation_source = null;
+var geolocation_layer = null;
+
var trams_xhr = null;
var trams_timer = null;
var trams_last_update = 0;
@@ -41,11 +49,12 @@
var popup_element = document.getElementById('popup');
var popup_close_callback;
var fail_element = document.getElementById('fail');
+var fail_text = document.querySelector('#fail span');
var ignore_hashchange = false;
function fail(msg) {
- setText(fail_element, msg);
+ setText(fail_text, msg);
fail_element.style.top = '0.5em';
}
@@ -501,7 +510,14 @@
table.appendChild(thead);
table.appendChild(tbody);
+ var tabular_data = true;
+
switch(feature.getId().substr(0, 1)) {
+ case 'l':
+ tabular_data = false;
+ type = '';
+ name = lang.type_location;
+ break;
case 't':
case 'b':
type = lang.type_tram;
@@ -584,14 +600,16 @@
div.appendChild(additional);
}
- div.appendChild(table);
+ if(tabular_data) {
+ div.appendChild(table);
+ ignore_hashchange = true;
+ window.location.hash = '#!' + feature.getId();
+ }
setTimeout(function () {map.getView().animate({
center: feature.getGeometry().getCoordinates(),
}) }, 10);
- ignore_hashchange = true;
- window.location.hash = '#!' + feature.getId();
showPanel(div, function() {
if(!ignore_hashchange) {
@@ -607,6 +625,127 @@
});
feature_clicked = feature;
+}
+
+function mapClicked(e) {
+ var point = e.coordinate;
+ var features = [];
+ map.forEachFeatureAtPixel(e.pixel, function(feature, layer) {
+ if(layer == stop_selected_layer) return;
+ if(feature.getId()) features.push(feature);
+ });
+
+ if(features.length > 1) {
+ featureClicked();
+
+ var div = document.createElement('div');
+
+ addParaWithText(div, lang.select_feature);
+
+ for(var i = 0; i < features.length; i++) {
+ var feature = features[i];
+
+ var p = document.createElement('p');
+ var a = document.createElement('a');
+ p.appendChild(a);
+ a.addEventListener('click', function(feature) { return function() {
+ featureClicked(feature);
+ }}(feature));
+
+ var type = '';
+ switch(feature.getId().substr(0, 1)) {
+ case 'l':
+ type = '';
+ name = lang.type_location;
+ break;
+ case 't':
+ case 'b':
+ type = lang.type_tram;
+ if(feature.getId().startsWith('b')) {
+ type = lang.type_bus;
+ }
+ if(feature.get('vehicle_type').num) {
+ type += ' ' + feature.get('vehicle_type').num;
+ }
+ break;
+ case 's':
+ type = lang.type_stop_tram;
+ if(feature.getId().startsWith('sb')) {
+ type = lang.type_stop_bus;
+ }
+ break;
+ case 'p':
+ type = lang.type_stoppoint_tram;
+ if(feature.getId().startsWith('pb')) {
+ type = lang.type_stoppoint_bus;
+ }
+ break;
+ }
+
+ addElementWithText(a, 'span', type).className = 'small';
+ a.appendChild(document.createTextNode(' '));
+ addElementWithText(a, 'span', feature.get('name'));
+
+ div.appendChild(p);
+ }
+
+ showPanel(div);
+
+ return;
+ }
+
+ var feature = features[0];
+ if(!feature) {
+ if(stops_buses_layer.getVisible()) {
+ feature = returnClosest(point, feature, stops_buses_source.getClosestFeatureToCoordinate(point));
+ }
+ if(stops_trams_layer.getVisible()) {
+ feature = returnClosest(point, feature, stops_trams_source.getClosestFeatureToCoordinate(point));
+ }
+ if(stop_points_buses_layer.getVisible()) {
+ feature = returnClosest(point, feature, stop_points_buses_source.getClosestFeatureToCoordinate(point));
+ }
+ if(stop_points_trams_layer.getVisible()) {
+ feature = returnClosest(point, feature, stop_points_trams_source.getClosestFeatureToCoordinate(point));
+ }
+ if(trams_layer.getVisible()) {
+ feature = returnClosest(point, feature, trams_source.getClosestFeatureToCoordinate(point));
+ }
+ if(buses_layer.getVisible()) {
+ feature = returnClosest(point, feature, buses_source.getClosestFeatureToCoordinate(point));
+ }
+
+ if(getDistance(point, feature) > map.getView().getResolution() * 20) {
+ feature = null;
+ }
+ }
+
+ featureClicked(feature);
+}
+
+function trackingStop() {
+ geolocation_button.className = "";
+ geolocation.setTracking(false);
+
+ geolocation_source.clear();
+}
+function trackingStart() {
+ geolocation_set = 0;
+ geolocation_button.className = "clicked";
+ geolocation_feature.setGeometry(new ol.geom.Point(map.getView().getCenter()));
+ geolocation_accuracy.setGeometry(new ol.geom.Circle(map.getView().getCenter(), 100000));
+
+ geolocation_source.addFeature(geolocation_feature);
+ geolocation_source.addFeature(geolocation_accuracy);
+
+ geolocation.setTracking(true);
+}
+function trackingToggle() {
+ if(geolocation.getTracking()) {
+ trackingStop();
+ } else {
+ trackingStart();
+ }
}
function hash() {
@@ -785,6 +924,55 @@
ol.style.IconImageCache.shared.setSize(512);
+ geolocation_feature = new ol.Feature({
+ name: '',
+ style: new ol.style.Style({
+ image: new ol.style.Circle({
+ fill: new ol.style.Fill({color: '#39C'}),
+ stroke: new ol.style.Stroke({color: '#FFF', width: 2}),
+ radius: 5,
+ }),
+ }),
+ });
+ geolocation_feature.setId('location_point');
+ geolocation_accuracy = new ol.Feature();
+ geolocation_source = new ol.source.Vector({
+ features: [],
+ });
+ geolocation_layer = new ol.layer.Vector({
+ source: geolocation_source,
+ });
+ geolocation_button = document.querySelector('#track button');
+ if(!navigator.geolocation) {
+ geolocation_button.className = 'hidden';
+ }
+
+ geolocation = new ol.Geolocation();
+ geolocation.on('change:position', function() {
+ var coordinates = geolocation.getPosition();
+ geolocation_feature.setGeometry(coordinates ? new ol.geom.Point(coordinates) : null);
+ if(geolocation_set < 1) {
+ geolocation_set = 1;
+ map.getView().animate({
+ center: coordinates,
+ })
+ }
+ });
+ geolocation.on('change:accuracyGeometry', function() {
+ var accuracy = geolocation.getAccuracyGeometry();
+ geolocation_accuracy.setGeometry(accuracy);
+ if(geolocation_set < 2) {
+ geolocation_set = 2;
+ map.getView().fit(accuracy);
+ }
+ });
+ geolocation.on('error', function(error) {
+ fail(lang.error_location + ' ' + error.message);
+ trackingStop();
+ geolocation_button.className = 'hidden';
+ });
+ geolocation_button.addEventListener('click', trackingToggle);
+
map = new ol.Map({
target: 'map',
layers: [
@@ -792,6 +980,7 @@
source: new ol.source.OSM()
}),
route_layer,
+ geolocation_layer,
stops_buses_layer,
stops_trams_layer,
stop_points_buses_layer,
@@ -802,7 +991,8 @@
],
view: new ol.View({
center: ol.proj.fromLonLat([19.94, 50.06]),
- zoom: 14
+ zoom: 14,
+ maxZoom: 19,
}),
controls: ol.control.defaults({
attributionOptions: ({
@@ -814,103 +1004,16 @@
}),
new ol.control.Control({
element: fail_element,
- })
+ }),
+ new ol.control.Control({
+ element: document.getElementById('track'),
+ }),
]),
loadTilesWhileAnimating: false,
});
// Display popup on click
- map.on('singleclick', function(e) {
- var point = e.coordinate;
- var features = [];
- map.forEachFeatureAtPixel(e.pixel, function(feature, layer) {
- if(layer == stop_selected_layer) return;
- if(feature.getId()) features.push(feature);
- });
-
- if(features.length > 1) {
- featureClicked();
-
- var div = document.createElement('div');
-
- addParaWithText(div, lang.select_feature);
-
- for(var i = 0; i < features.length; i++) {
- var feature = features[i];
-
- var p = document.createElement('p');
- var a = document.createElement('a');
- p.appendChild(a);
- a.addEventListener('click', function(feature) { return function() {
- featureClicked(feature);
- }}(feature));
-
- var type = '';
- switch(feature.getId().substr(0, 1)) {
- case 't':
- case 'b':
- type = lang.type_tram;
- if(feature.getId().startsWith('b')) {
- type = lang.type_bus;
- }
- if(feature.get('vehicle_type').num) {
- type += ' ' + feature.get('vehicle_type').num;
- }
- break;
- case 's':
- type = lang.type_stop_tram;
- if(feature.getId().startsWith('sb')) {
- type = lang.type_stop_bus;
- }
- break;
- case 'p':
- type = lang.type_stoppoint_tram;
- if(feature.getId().startsWith('pb')) {
- type = lang.type_stoppoint_bus;
- }
- break;
- }
-
- addElementWithText(a, 'span', type).className = 'small';
- a.appendChild(document.createTextNode(' '));
- addElementWithText(a, 'span', feature.get('name'));
-
- div.appendChild(p);
- }
-
- showPanel(div);
-
- return;
- }
-
- var feature = features[0];
- if(!feature) {
- if(stops_buses_layer.getVisible()) {
- feature = returnClosest(point, feature, stops_buses_source.getClosestFeatureToCoordinate(point));
- }
- if(stops_trams_layer.getVisible()) {
- feature = returnClosest(point, feature, stops_trams_source.getClosestFeatureToCoordinate(point));
- }
- if(stop_points_buses_layer.getVisible()) {
- feature = returnClosest(point, feature, stop_points_buses_source.getClosestFeatureToCoordinate(point));
- }
- if(stop_points_trams_layer.getVisible()) {
- feature = returnClosest(point, feature, stop_points_trams_source.getClosestFeatureToCoordinate(point));
- }
- if(trams_layer.getVisible()) {
- feature = returnClosest(point, feature, trams_source.getClosestFeatureToCoordinate(point));
- }
- if(buses_layer.getVisible()) {
- feature = returnClosest(point, feature, buses_source.getClosestFeatureToCoordinate(point));
- }
-
- if(getDistance(point, feature) > map.getView().getResolution() * 20) {
- feature = null;
- }
- }
-
- featureClicked(feature);
- });
+ map.on('singleclick', mapClicked);
fail_element.addEventListener('click', function() {
fail_element.style.top = '-10em';
--
Gitblit v1.9.1