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openflights.js
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openflights.js
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/**
* openflights.js -- for openflights.org
* by Jani Patokallio <jani at contentshare dot sg>
*/
// Core map features
var map, proj, selectControl, selectedFeature, lineLayer, currentPopup;
var paneStack = ["ad"];
// User settings (defaults)
var privacy = "Y",
flightTotal = 0,
prefs_editor = "B",
elite = "";
// Filter selections and currently chosen airport
var filter_user = 0,
filter_trid = 0,
filter_alid = 0,
filter_year = 0,
apid = 0;
var tripname, tripurl;
// Current list of flights
var fidList,
fidPtr = 0,
fid = 0;
// Query and description of the current list
var lastQuery, lastDesc;
// Temporary variables for current flight being edited
var alid = 0,
plane;
var logged_in = false,
demo_mode = true,
initializing = true;
var input_srcmarker, input_dstmarker, input_line, input_toggle, input_al_toggle;
var changed = false,
majorEdit = false;
// Some helpers for multi-input handling
const MULTI_INPUT_ORDER = [
"src_ap1",
"dst_ap1",
"dst_ap2",
"dst_ap3",
"dst_ap4",
];
const MULTI_INPUT_IDS = [
"src_ap1id",
"src_ap2id",
"src_ap3id",
"src_ap4id",
"dst_ap1id",
"dst_ap2id",
"dst_ap3id",
"dst_ap4id",
"airline1id",
"airline2id",
"airline3id",
"airline4id",
];
var multiinput_rows = 1;
const URL_FLIGHTS = "/php/flights.php",
URL_GETCODE = "/php/autocomplete.php",
URL_KML = "/php/kml.php",
URL_LOGIN = "/php/login.php",
URL_LOGOUT = "/php/logout.php",
URL_MAP = "/php/map.php",
URL_ROUTES = "/php/routes.php",
URL_STATS = "/php/stats.php",
URL_SUBMIT = "/php/submit.php",
URL_TOP10 = "/php/top10.php";
const CODE_FAIL = 0,
CODE_ADDOK = 1,
CODE_EDITOK = 2,
CODE_DELETEOK = 100;
const INPUT_MAXLEN = 50,
SELECT_MAXLEN = 25;
const COLOR_NORMAL = "#ee9900", // orange
COLOR_ROUTE = "#99ee00", // yellow
COLOR_TRAIN = "#ee5555", // dull red
COLOR_ROAD = "#9f6500", // brown
COLOR_SHIP = "#00ccff", // cyany blue
COLOR_HIGHLIGHT = "#007fff"; // deeper blue
var airportMaxFlights = 0;
const AIRPORT_ICONS = [
["/img/icon_plane-13x13.png", 13],
["/img/icon_plane-15x15.png", 15],
["/img/icon_plane-17x17.png", 17],
["/img/icon_plane-19x19b.png", 19],
["/img/icon_plane-19x19b.png", 19],
["/img/icon_plane-19x19.png", 19],
];
// Redefined with localized strings under init
var classes,
seattypes,
reasons,
classes_short,
reasons_short,
extreme_directions,
distance_units,
modenames,
modesegments,
modeoperators,
topmodes,
directions_short;
const MODE_COLORS = {
F: COLOR_NORMAL,
T: COLOR_TRAIN,
R: COLOR_ROAD,
S: COLOR_SHIP,
};
const MODE_ICONS = {
F: "/img/icon_airline.png",
T: "/img/icon_train.png",
R: "/img/icon_car.png",
S: "/img/icon_ship.png",
};
const MODE_SPEEDS = { F: 500, T: 100, R: 60, S: 40 };
var toplimits;
/**
* Validate YYYY*MM*DD date; contains groups, leading zeroes not required for month, date)
* @type {RegExp}
*/
const RE_DATE =
/^((19|20)\d\d)[- /.]?([1-9]|0[1-9]|1[012])[- /.]?([1-9]|0[1-9]|[12][0-9]|3[01])$/;
/**
* Validate numeric value
* @type {RegExp}
*/
const RE_NUMERIC = /^[0-9]*$/;
var lasturl;
var airportLayer;
// avoid pink tiles
OpenLayers.IMAGE_RELOAD_ATTEMPTS = 3;
OpenLayers.Util.onImageLoadErrorColor = "transparent";
// Init Google Charts
google.load("visualization", "1", { packages: ["corechart"] });
// Call init after Google JS is done initing.
google.setOnLoadCallback(init);
function init() {
$("helplink").style.display = "inline";
gt = new Gettext({ domain: "messages" });
classes = {
Y: gt.gettext("Economy"),
P: gt.gettext("Prem.Eco"),
C: gt.gettext("Business"),
F: gt.gettext("First"),
"": "",
};
seattypes = {
W: gt.gettext("Window"),
A: gt.gettext("Aisle"),
M: gt.gettext("Middle"),
"": "",
};
reasons = {
B: gt.gettext("Work"),
L: gt.gettext("Leisure"),
C: gt.gettext("Crew"),
O: gt.gettext("Other"),
"": "",
};
classes_short = {
Y: gt.gettext("Econ"),
P: gt.gettext("P.Eco"),
C: gt.gettext("Biz"),
F: gt.gettext("1st"),
"": "",
};
reasons_short = {
B: gt.gettext("Work"),
L: gt.gettext("Leis."),
C: gt.gettext("Crew"),
O: gt.gettext("Other"),
"": "",
};
modenames = {
F: gt.gettext("Flight"),
T: gt.gettext("Train"),
R: gt.gettext("Road"),
S: gt.gettext("Ship"),
};
modesegments = {
F: gt.gettext("flight"),
T: gt.gettext("train"),
R: gt.gettext("road trip"),
S: gt.gettext("ship"),
};
modeoperators = {
F: gt.gettext("airline"),
T: gt.gettext("railway"),
R: gt.gettext("road transport"),
S: gt.gettext("shipping"),
};
extreme_directions = {
N: gt.gettext("Northernmost"),
S: gt.gettext("Southernmost"),
E: gt.gettext("Easternmost"),
W: gt.gettext("Westernmost"),
};
distance_units = {
km: gt.gettext("km"),
mi: gt.gettext("miles"),
};
topmodes = { F: gt.gettext("Segments"), D: gt.gettext("Mileage") };
toplimits = {
10: gt.gettext("Top 10"),
20: gt.gettext("Top 20"),
50: gt.gettext("Top 50"),
"-1": gt.gettext("All"),
};
directions_short = {
N: gt.gettext("N"),
E: gt.gettext("E"),
S: gt.gettext("S"),
W: gt.gettext("W"),
};
const projectionName = "EPSG:4326"; // spherical Mercator
proj = new OpenLayers.Projection(projectionName);
map = new OpenLayers.Map("map", {
center: new OpenLayers.LonLat(0, 1682837.6144925),
controls: [
new OpenLayers.Control.PanZoom(),
new OpenLayers.Control.Navigation({
title: gt.gettext("Toggle pan and region select mode"),
}),
new OpenLayers.Control.LayerSwitcher({
ascending: false,
title: gt.gettext("Switch map layers"),
}),
new OpenLayers.Control.ScaleLine(),
new OpenLayers.Control.OverviewMap({
title: gt.gettext("Toggle overview map"),
}),
new OpenLayers.Control.Attribution(),
],
});
// Horrible hack to stop OpenLayers 2 from showing ZL < 2
map.events.register("zoomend", this, function (event) {
if (map.getZoom() < 2) {
map.zoomTo(2);
}
});
var poliLayer = new OpenLayers.Layer.XYZ(
gt.gettext("Political"),
[
"https://cartodb-basemaps-1.global.ssl.fastly.net/light_nolabels/${z}/${x}/${y}.png",
"https://cartodb-basemaps-1.global.ssl.fastly.net/light_nolabels/${z}/${x}/${y}.png",
"https://cartodb-basemaps-1.global.ssl.fastly.net/light_nolabels/${z}/${x}/${y}.png",
"https://cartodb-basemaps-1.global.ssl.fastly.net/light_nolabels/${z}/${x}/${y}.png",
],
{
attribution: gt.gettext(
"Map tiles © <a href='https://carto.com/' target='_blank'>CartoDB</a> (CC BY 3.0), data © <a href='https://www.openstreetmap.org' target='_blank'>OSM</a> (ODbL)"
),
sphericalMercator: true,
transitionEffect: "resize",
wrapDateLine: true,
}
);
var artLayer = new OpenLayers.Layer.XYZ(
gt.gettext("Artistic"),
["https://stamen-tiles.a.ssl.fastly.net/watercolor/${z}/${x}/${y}.jpg"],
{
attribution: gt.gettext(
"Map tiles © <a href='http://maps.stamen.com/' target='_blank'>Stamen</a> (CC BY 3.0), data © <a href='https://www.openstreetmap.org' target='_blank'>OSM</a> (CC BY SA)"
),
sphericalMercator: true,
transitionEffect: "resize",
wrapDateLine: true,
}
);
artLayer.setVisibility(false);
var earthLayer = new OpenLayers.Layer.XYZ(
gt.gettext("Satellite"),
[
"https://api.tiles.mapbox.com/v4/mapbox.satellite/${z}/${x}/${y}.png?access_token=pk.eyJ1IjoianBhdG9rYWwiLCJhIjoiY2lyNmFyZThqMDBiNWcybTFlOWdkZGk1MiJ9.6_VWU3skRwM68ASapMLIQg",
],
{
attribution: gt.gettext(
"Map tiles © <a href='https://www.mapbox.com/maps/satellite' target='_blank'>Mapbox</a>"
),
sphericalMercator: true,
transitionEffect: "resize",
wrapDateLine: true,
}
);
earthLayer.setVisibility(false);
lineLayer = new OpenLayers.Layer.Vector(gt.gettext("Flights"), {
projection: projectionName,
styleMap: new OpenLayers.StyleMap({
strokeColor: "${color}",
strokeOpacity: 1,
strokeWidth: "${count}",
strokeDashstyle: "${stroke}",
}),
});
var style = new OpenLayers.Style(
{
graphicTitle: "${name}",
externalGraphic: "${icon}",
graphicWidth: "${size}",
graphicHeight: "${size}",
graphicXOffset: "${offset}",
graphicYOffset: "${offset}",
graphicOpacity: "${opacity}",
pointerEvents: "visiblePainted",
label: "\xA0${code}",
fontColor: "#000000",
fontSize: "9px",
fontFamily: "Calibri, Verdana, Arial, sans-serif",
labelAlign: "lt",
fillColor: "black",
},
{
context: {
name: function (feature) {
if (feature.cluster) {
// The last airport is always the largest
var last = feature.cluster.length - 1;
if (feature.cluster[last].attributes.index > 2) {
// One airport is dominant, copy its attributes into cluster
feature.attributes.apid = feature.cluster[last].attributes.apid;
feature.attributes.coreid =
feature.cluster[last].attributes.coreid;
feature.attributes.code =
feature.cluster[last].attributes.code + "+";
feature.attributes.desc = feature.cluster[last].attributes.desc;
feature.attributes.rdesc = feature.cluster[last].attributes.rdesc;
feature.attributes.icon = feature.cluster[last].attributes.icon;
feature.attributes.size = feature.cluster[last].attributes.size;
feature.attributes.offset =
feature.cluster[last].attributes.offset;
feature.attributes.name =
feature.cluster[last].attributes.name + " \u2295";
} else {
// No dominant airport, show cluster icon with aggregate info
var name = "";
for (var c = last; c >= 0; c--) {
if (c < last) {
name += ", ";
}
name += feature.cluster[c].attributes.code;
}
feature.attributes.icon = "/img/icon_cluster.png";
feature.attributes.code = "";
feature.attributes.size = clusterRadius(feature);
feature.attributes.offset = -clusterRadius(feature) / 2;
feature.attributes.name = name;
}
}
return feature.attributes.name;
},
icon: function (feature) {
return feature.attributes.icon;
},
size: function (feature) {
return feature.attributes.size;
},
offset: function (feature) {
return feature.attributes.offset;
},
opacity: function (feature) {
return feature.cluster ? 1 : feature.attributes.opacity;
},
code: function (feature) {
return feature.attributes.code;
},
},
}
);
var renderer = OpenLayers.Util.getParameters(window.location.href).renderer;
renderer = renderer
? [renderer]
: OpenLayers.Layer.Vector.prototype.renderers;
var strategy = new OpenLayers.Strategy.Cluster({
distance: 15,
threshold: 3,
});
airportLayer = new OpenLayers.Layer.Vector(gt.gettext("Airports"), {
projection: projectionName,
styleMap: new OpenLayers.StyleMap({
default: style,
select: {
fillOpacity: 1.0,
pointerEvents: "visiblePainted",
label: "",
},
}),
renderers: renderer,
strategies: [strategy],
});
map.addLayers([poliLayer, artLayer, earthLayer, lineLayer, airportLayer]);
selectControl = new OpenLayers.Control.SelectFeature(airportLayer, {
onSelect: onAirportSelect,
onUnselect: onAirportUnselect,
});
map.addControl(selectControl);
selectControl.activate();
// When using the earth map layer, change the font color from black to white, since the map is mostly dark colors.
map.events.on({
changelayer: function () {
style.defaultStyle.fontColor = earthLayer.visibility ? "#fff" : "#000";
},
});
// Extract any arguments from URL
var query;
arguments = parseUrl();
switch (arguments[0]) {
case "trip":
filter_trid = arguments[1];
break;
case "user":
filter_user = arguments[1];
break;
case "query":
case "airport":
case "airline":
query = arguments[1];
}
prepareAutocomplete("qs", "multisearch", {
successCb: getQuickSearchId,
failureCb: (e) => undefined,
});
// Are we viewing another user's flights or trip?
if (filter_user != "0" || filter_trid != 0) {
demo_mode = false;
$("loginstatus").style.display = "inline";
if (filter_trid != 0) {
$("filter_tripselect").style.display = "none";
}
} else {
$("news").style.display = "inline";
$("quicksearch").style.display = "inline";
// Nope, set up hinting and autocompletes for editor
var ac_airport = [
"src_ap",
"src_ap1",
"src_ap2",
"src_ap3",
"src_ap4",
"dst_ap",
"dst_ap1",
"dst_ap2",
"dst_ap3",
"dst_ap4",
];
var ac_airline = [
"airline",
"airline1",
"airline2",
"airline3",
"airline4",
];
var ac_plane = ["plane"];
for (const airportAutoCompInputId of ac_airport) {
prepareAutocomplete(airportAutoCompInputId, "airport", {
successCb: (item) => {
document.getElementById(airportAutoCompInputId).value = item.label;
getSelectedApid(airportAutoCompInputId, item.value);
},
failureCb: (error) => {
invalidateField(airportAutoCompInputId, true);
},
});
}
for (const airlineAutoCompInputId of ac_airline) {
prepareAutocomplete(airlineAutoCompInputId, "airline", {
successCb: (item) => {
document.getElementById(airlineAutoCompInputId).value = item.label;
getSelectedAlid(airlineAutoCompInputId, item.value);
},
});
}
for (const planeAutoCompInputId of ac_plane) {
prepareAutocomplete(planeAutoCompInputId, "plane", {
preprocessCb: (list) =>
list.map((item) => {
// Logic moved from `autocomplete.php` to house presentation details
// in the UI. But why are planes special? We don't shorten airport
// or airline names. Is it because that input field isn't as wide?
// This is the only type of autocomplete that needs this kind of
// preprocessing...
const maxLen = 35;
let label = item.label;
if (label.length > maxLen) {
label = `${label.slice(0, maxLen - 13)}...${label.slice(-10)}`;
}
item.label = label;
return item;
}),
successCb: (item) => {
document.getElementById(planeAutoCompInputId).value = item.label;
getSelectedPlid(planeAutoCompInputId, item.value);
},
});
}
// No idea why this was needed originally; but FF3 disables random buttons without it...
for (var i = 0; i < document.forms["inputform"].elements.length; i++) {
document.forms["inputform"].elements[i].disabled = false;
}
for (i = 0; i < document.forms["multiinputform"].elements.length; i++) {
document.forms["multiinputform"].elements[i].disabled = false;
}
$("b_less").disabled = true;
map.zoomTo(2);
}
OpenLayers.Util.alphaHack = function () {
return false;
};
if (query) {
xmlhttpPost(URL_ROUTES, 0, query);
} else {
xmlhttpPost(URL_MAP, 0, true);
}
}
function clusterRadius(feature) {
var radius = feature.attributes.count * 5;
if (radius > 29) {
radius = 29;
}
return radius;
}
/**
* Extract arguments from URL (/command/value, eg. /trip/123 or /user/foo)
* @returns {string[]|*[]}
*/
function parseUrl() {
// http://foobar.com/name/xxx#blah *or* xxx?blah=blah
// 0 1 2 3 4 3 4
var urlbits = window.location.href.split(/[\/#?]+/);
if (urlbits.length > 3) {
return [urlbits[2], unescape(urlbits[3])];
} else {
return [null, null];
}
}
function projectedPoint(x, y) {
var point = new OpenLayers.Geometry.Point(x, y);
point.transform(proj, map.getProjectionObject());
return point;
}
function projectedLine(points) {
var line = new OpenLayers.Geometry.LineString(points);
line.transform(proj, map.getProjectionObject());
return line;
}
/**
* Draw a flight connecting (x1,y1)-(x2,y2)
* Note: Values passed in *must already be parsed as floats* or very strange things happen
* @param x1
* @param y1
* @param x2
* @param y2
* @param count
* @param distance
* @param color
* @param stroke
* @returns {*[]}
*/
function drawLine(x1, y1, x2, y2, count, distance, color, stroke) {
if (!color) {
color = COLOR_NORMAL;
}
if (!stroke) {
stroke = "solid";
}
// 1,2 flights as single pixel
count = Math.floor(Math.sqrt(count) + 0.5);
var paths = [
gcPath(
new OpenLayers.Geometry.Point(x1, y1),
new OpenLayers.Geometry.Point(x2, y2)
),
];
// The path is in or extends into east (+) half, so we have to make a -360 copy
if (x1 > 0 || x2 > 0) {
paths.push(
gcPath(
new OpenLayers.Geometry.Point(x1 - 360, y1),
new OpenLayers.Geometry.Point(x2 - 360, y2)
)
);
}
// The path is in or extends into west (-) half, so we have to make a +360 copy
if (x1 < 0 || x2 < 0) {
paths.push(
gcPath(
new OpenLayers.Geometry.Point(x1 + 360, y1),
new OpenLayers.Geometry.Point(x2 + 360, y2)
)
);
}
var features = [];
for (var i = 0; i < paths.length; i++) {
features.push(
new OpenLayers.Feature.Vector(projectedLine(paths[i]), {
count: count,
color: color,
stroke: stroke,
})
);
}
return features;
}
/**
* `autocomplete.js` wrapper to encapsulate logic dealing with setting up the
* autocomplete widgets and interacting with the autocomplete API endpoint.
* @param inputId
* @param searchType
* @param successCb
* @param failureCb
* @param preprocessCb
*/
function prepareAutocomplete(
inputId,
searchType,
{ successCb, failureCb, preprocessCb }
) {
const inputElement = document.getElementById(inputId);
autocomplete({
input: inputElement,
minLength: 1,
debounceWaitMs: 100,
fetch: (text, update) => {
showLoadingAnimation(true);
fetch(URL_GETCODE, {
method: "POST",
headers: {
"Content-type": "application/x-www-form-urlencoded; charset=UTF-8",
},
body: new URLSearchParams([
["searchType", searchType],
["searchText", text],
]),
})
.then((response) => {
if (response.status !== 200) {
throw new Error(response.status);
}
return response.json();
})
.then((response) => {
let data = response;
if (preprocessCb) data = preprocessCb(data);
if (data.length === 0) {
// TODO: Localise?
throw new Error("No data available");
}
update(data);
})
.catch((e) => {
if (failureCb) {
failureCb(e);
} else {
invalidateField(inputId);
}
})
.finally(() => {
showLoadingAnimation(false);
});
},
onSelect: (item) => {
successCb(item);
},
customize: (input, inputRect, container, maxHeight) => {
if (maxHeight < 100) {
container.style.top = "";
container.style.bottom =
window.innerHeight - inputRect.bottom + input.offsetHeight + "px";
container.style.maxHeight = "200px";
}
},
});
}
/**
* Draw airport (or just update marker if it exists already)
*
* @param airportLayer
* @param apdata
* @param name
* @param city
* @param country
* @param count
* @param formattedName
* @param opacity
* @param coreid apid of "core" airport at the center of a map of routes
* @returns {boolean} Returns true if a new marker was created, or false if it existed already
*/
function drawAirport(
airportLayer,
apdata,
name,
city,
country,
count,
formattedName,
opacity,
coreid
) {
var apcols = apdata.split(":");
var code = apcols[0];
var apid = apcols[1];
var x = apcols[2];
var y = apcols[3];
// Description
var desc =
name +
" (<b>" +
code +
"</b>)<br><small>" +
city +
", " +
country +
"</small><br>" +
gt.gettext("Flights: ") +
count;
var rdesc =
name +
" (<b>" +
code +
"</b>)<br><small>" +
city +
", " +
country +
"</small>";
// Select icon based on the number of flights (0...AIRPORT_ICONS.length-1)
var colorIndex =
Math.floor((count / airportMaxFlights) * AIRPORT_ICONS.length) + 1;
// When two or fewer flights: smallest dot
if (count <= 2 || colorIndex < 0) {
colorIndex = 0;
}
// More than two flights: at least 2nd smallest
if (count > 2) {
colorIndex = Math.max(1, colorIndex);
}
// Max out at top color
// Core airport of the route map always uses max color
if (colorIndex >= AIRPORT_ICONS.length || apid == coreid) {
colorIndex = AIRPORT_ICONS.length - 1;
}
// This should never happen
if (!AIRPORT_ICONS[colorIndex]) {
$("news").style.display = "inline";
$("news").innerHTML = gt.strargs(
gt.gettext(
"ERROR: %1: %2 of %3.<br>Please hit CTRL-F5 to force refresh, and <a href='/about'>report</a> this error if it does not go away."
),
[name, colorIndex, airportMaxFlights]
);
colorIndex = 0;
return;
}
var feature = new OpenLayers.Feature.Vector(projectedPoint(x, y));
feature.attributes = {
apid: apid,
coreid: coreid,
code: code,
name: formattedName,
apdata: apdata,
desc: desc,
rdesc: rdesc,
opacity: opacity,
icon: AIRPORT_ICONS[colorIndex][0],
size: AIRPORT_ICONS[colorIndex][1],
index: count,
offset: Math.floor(-AIRPORT_ICONS[colorIndex][1] / 2),
};
return feature;
}
/**
* Run when the user clicks on an airport marker
* @param airport
*/
function onAirportSelect(airport) {
function encodeURIQuote(str) {
return encodeURI(str).replace("'", "'");
}
apid = airport.attributes.apid;
var code = airport.attributes.code;
var coreid = airport.attributes.coreid;
var rdesc = airport.attributes.rdesc;
// Single airport?
if (!airport.cluster) {
// Add toolbar to popup
var desc =
"<span style='position: absolute; right: 5; bottom: 1;'>" +
"<a href='#' onclick='JavaScript:selectAirport(" +
apid +
// TODO: alt text
", true);'><img src='/img/icon_plane-src.png' width=17 height=17 title='" +
gt.gettext("Select this airport") +
"' id='popup" +
apid +
"' style='visibility: hidden'></a>";
if (coreid == 0) {
// Detailed flights accessible only if...
// 1. user is logged in, or
// 2. system is in "demo mode", or
// 3. privacy is set to (O)pen
if (logged_in || demo_mode || privacy == "O") {
// Get a list of user flights
desc +=
" <a href='#' onclick='JavaScript:xmlhttpPost(\"" +
URL_FLIGHTS +
'",' +
apid +
', "' +
encodeURIQuote(airport.attributes.desc) +
// TODO: alt text
"\");'><img src='/img/icon_copy.png' width=16 height=16 title='" +
gt.gettext("List my flights") +
"'></a>";
}
} else {
if (code.length == 3) {
var idstring;
// Get a list of airport routes
if (coreid.startsWith("L")) {
idstring = coreid + "," + apid;
} else {
idstring = "R" + apid + "," + coreid;
}
desc +=
" <a href='#' onclick='JavaScript:xmlhttpPost(\"" +
URL_FLIGHTS +
'","' +
idstring +
'", "' +
encodeURIQuote(rdesc) +
// TODO: alt text
"\");'><img src='/img/icon_copy.png' width=16 height=16 title='" +
gt.gettext("List routes") +
"'></a> ";
}
}
if (code.length == 3) {
// IATA airport, we know its routes
desc +=
" <a href='#' onclick='JavaScript:xmlhttpPost(\"" +
URL_ROUTES +
'",' +
apid +
// TODO: alt text
");'><img src='/img/icon_routes.png' width=17 height=17 title='" +
gt.gettext("Map of routes from this airport") +
"'></a>";
}
desc +=
" <a href='#' onclick='JavaScript:popNewAirport(null, " +
apid +
// TODO: alt text
")'><img src='/img/icon_edit.png' width=16 height=16 title='" +
gt.gettext("View airport details") +
"'></a>";
desc +=
"</span>" +
airport.attributes.desc.replace("Flights:", gt.gettext("Flights:"));
} else {
// Cluster, generate a clickable list of members in reverse order (most flights first)
desc = "<b>" + gt.gettext("Airports") + "</b><br>";
var edit = isEditMode() ? "true" : "false";
var cmax = airport.cluster.length - 1;
for (var c = cmax; c >= 0; c--) {
if (c < cmax) {
desc += ", ";
if ((cmax - c) % 6 == 0) {
desc += "<br>";
}
}
desc +=
"<a href='#' onclick='JavaScript:selectAirport(" +
airport.cluster[c].attributes.apid +
"," +
edit +
")'>" +
airport.cluster[c].attributes.code +
"</a>";
}
}
// TODO: alt text
desc =
'<img src="/img/close.gif" onclick="JavaScript:closePopup(true);" width=17 height=17> ' +
desc;
closePopup(false);
if (airport.popup == null) {
airport.popup = new OpenLayers.Popup.FramedCloud(
"airport",
airport.geometry.getBounds().getCenterLonLat(),
new OpenLayers.Size(200, 80),
desc,
null,
false
);
airport.popup.minSize = new OpenLayers.Size(200, 80);
airport.popup.overflow = "auto";
map.addPopup(airport.popup);
airport.popup.show();
} else {
airport.popup.setContentHTML(desc);
airport.popup.toggle();
}
if (airport.popup.visible()) {
currentPopup = airport.popup;
} else {
closePane();
}
// Show or hide toolbar when applicable
if ($("popup" + apid)) {
if (isEditMode()) {
$("popup" + apid).style.visibility = "visible";
} else {
$("popup" + apid).style.visibility = "hidden";
}
}
}
function onAirportUnselect(airport) {
// do nothing
}
/**
* @param strURL
* @param id
* @param param
*/
function xmlhttpPost(strURL, id, param) {
var self = this;
var query = "";
if (!initializing) {
closeNews();
}
// Won't support ancient IE. Chances are they can't load the site anyway...
self.xmlHttpReq = new XMLHttpRequest();