openstreetmap-website/app/assets/javascripts/leaflet.share.js

464 lines
14 KiB
JavaScript

L.OSM.share = function (options) {
var control = L.OSM.sidebarPane(options, "share", "javascripts.share.title", "javascripts.share.title"),
marker = L.marker([0, 0], { draggable: true }),
locationFilter = new L.LocationFilter({
enableButton: false,
adjustButton: false
});
control.onAddPane = function (map, button, $ui) {
// Link / Embed
$("#content").addClass("overlay-right-sidebar");
var $linkSection = $("<div>")
.attr("class", "share-link p-3 border-bottom border-secondary-subtle")
.appendTo($ui);
$("<h4>")
.text(I18n.t("javascripts.share.link"))
.appendTo($linkSection);
var $form = $("<form>")
.appendTo($linkSection);
$("<div>")
.attr("class", "form-check mb-3")
.appendTo($form)
.append($("<label>")
.attr("for", "link_marker")
.attr("class", "form-check-label")
.text(I18n.t("javascripts.share.include_marker")))
.append($("<input>")
.attr("id", "link_marker")
.attr("type", "checkbox")
.attr("class", "form-check-input")
.bind("change", toggleMarker));
$("<div class='btn-group btn-group-sm mb-2'>")
.appendTo($form)
.append($("<a class='btn btn-primary'>")
.addClass("active")
.attr("for", "long_input")
.attr("id", "long_link")
.text(I18n.t("javascripts.share.long_link")))
.append($("<a class='btn btn-primary'>")
.attr("for", "short_input")
.attr("id", "short_link")
.text(I18n.t("javascripts.share.short_link")))
.append($("<a class='btn btn-primary'>")
.attr("for", "embed_html")
.attr("id", "embed_link")
.attr("data-bs-title", I18n.t("javascripts.site.embed_html_disabled"))
.attr("href", "#")
.text(I18n.t("javascripts.share.embed")))
.on("click", "a", function (e) {
e.preventDefault();
if (!$(this).hasClass("btn-primary")) return;
var id = "#" + $(this).attr("for");
$(this).siblings("a")
.removeClass("active");
$(this).addClass("active");
$linkSection.find(".share-tab")
.hide();
$linkSection.find(".share-tab:has(" + id + ")")
.show()
.find("input, textarea")
.select();
});
$("<div>")
.attr("class", "share-tab")
.appendTo($form)
.append($("<input>")
.attr("id", "long_input")
.attr("type", "text")
.attr("class", "form-control form-control-sm font-monospace")
.attr("readonly", true)
.on("click", select));
$("<div>")
.attr("class", "share-tab")
.hide()
.appendTo($form)
.append($("<input>")
.attr("id", "short_input")
.attr("type", "text")
.attr("class", "form-control form-control-sm font-monospace")
.attr("readonly", true)
.on("click", select));
$("<div>")
.attr("class", "share-tab")
.hide()
.appendTo($form)
.append(
$("<textarea>")
.attr("id", "embed_html")
.attr("class", "form-control form-control-sm font-monospace")
.attr("readonly", true)
.on("click", select))
.append(
$("<p>")
.attr("class", "text-body-secondary")
.text(I18n.t("javascripts.share.paste_html")));
// Geo URI
var $geoUriSection = $("<div>")
.attr("class", "share-geo-uri p-3 border-bottom border-secondary-subtle")
.appendTo($ui);
$("<h4>")
.text(I18n.t("javascripts.share.geo_uri"))
.appendTo($geoUriSection);
$("<div>")
.appendTo($geoUriSection)
.append($("<a>")
.attr("id", "geo_uri"));
// Image
var $imageSection = $("<div>")
.attr("class", "share-image p-3")
.appendTo($ui);
$("<h4>")
.text(I18n.t("javascripts.share.image"))
.appendTo($imageSection);
$("<div>")
.attr("id", "export-warning")
.attr("class", "text-body-secondary")
.text(I18n.t("javascripts.share.only_standard_layer"))
.appendTo($imageSection);
$form = $("<form>")
.attr("id", "export-image")
.attr("action", "/export/finish")
.attr("method", "post")
.appendTo($imageSection);
$("<div>")
.appendTo($form)
.attr("class", "row mb-3")
.append($("<label>")
.attr("for", "mapnik_format")
.attr("class", "col-auto col-form-label")
.text(I18n.t("javascripts.share.format")))
.append($("<div>")
.attr("class", "col-auto")
.append($("<select>")
.attr("name", "mapnik_format")
.attr("id", "mapnik_format")
.attr("class", "form-select w-auto")
.append($("<option>").val("png").text("PNG").prop("selected", true))
.append($("<option>").val("jpeg").text("JPEG"))
.append($("<option>").val("svg").text("SVG"))
.append($("<option>").val("pdf").text("PDF"))));
$("<div>")
.appendTo($form)
.attr("class", "row mb-3")
.attr("id", "mapnik_scale_row")
.append($("<label>")
.attr("for", "mapnik_scale")
.attr("class", "col-auto col-form-label")
.text(I18n.t("javascripts.share.scale")))
.append($("<div>")
.attr("class", "col-auto")
.append($("<div>")
.attr("class", "input-group flex-nowrap")
.append($("<span>")
.attr("class", "input-group-text")
.text("1 : "))
.append($("<input>")
.attr("name", "mapnik_scale")
.attr("id", "mapnik_scale")
.attr("type", "text")
.attr("class", "form-control")
.on("change", update))));
$("<div>")
.attr("class", "row mb-3")
.appendTo($form)
.append($("<div>")
.attr("class", "col-auto")
.append($("<div>")
.attr("class", "form-check")
.append($("<label>")
.attr("for", "image_filter")
.attr("class", "form-check-label")
.text(I18n.t("javascripts.share.custom_dimensions")))
.append($("<input>")
.attr("id", "image_filter")
.attr("type", "checkbox")
.attr("class", "form-check-input")
.bind("change", toggleFilter))));
["minlon", "minlat", "maxlon", "maxlat", "lat", "lon"].forEach(function (name) {
$("<input>")
.attr("id", "mapnik_" + name)
.attr("name", name)
.attr("type", "hidden")
.appendTo($form);
});
$("<input>")
.attr("id", "map_format")
.attr("name", "format")
.attr("value", "mapnik")
.attr("type", "hidden")
.appendTo($form);
$("<input>")
.attr("id", "map_zoom")
.attr("name", "zoom")
.attr("value", map.getZoom())
.attr("type", "hidden")
.appendTo($form);
$("<input>")
.attr("id", "map_width")
.attr("name", "width")
.attr("value", 0)
.attr("type", "hidden")
.appendTo($form);
$("<input>")
.attr("id", "map_height")
.attr("name", "height")
.attr("value", 0)
.attr("type", "hidden")
.appendTo($form);
var csrf_param = $("meta[name=csrf-param]").attr("content"),
csrf_token = $("meta[name=csrf-token]").attr("content");
$("<input>")
.attr("name", csrf_param)
.attr("value", csrf_token)
.attr("type", "hidden")
.appendTo($form);
var args = {
layer: "<span id=\"mapnik_image_layer\"></span>",
width: "<span id=\"mapnik_image_width\"></span>",
height: "<span id=\"mapnik_image_height\"></span>"
};
$("<p>")
.attr("class", "text-body-secondary")
.html(I18n.t("javascripts.share.image_dimensions", args))
.appendTo($form);
$("<input>")
.attr("type", "submit")
.attr("class", "btn btn-primary")
.attr("value", I18n.t("javascripts.share.download"))
.appendTo($form);
locationFilter
.on("change", update)
.addTo(map);
marker.on("dragend", movedMarker);
map.on("move", movedMap);
map.on("moveend layeradd layerremove", update);
$ui
.on("show", shown)
.on("hide", hidden);
function shown() {
$("#mapnik_scale").val(getScale());
update();
}
function hidden() {
map.removeLayer(marker);
map.options.scrollWheelZoom = map.options.doubleClickZoom = true;
locationFilter.disable();
update();
}
function toggleMarker() {
if ($(this).is(":checked")) {
marker.setLatLng(map.getCenter());
map.addLayer(marker);
map.options.scrollWheelZoom = map.options.doubleClickZoom = "center";
} else {
map.removeLayer(marker);
map.options.scrollWheelZoom = map.options.doubleClickZoom = true;
}
update();
}
function toggleFilter() {
if ($(this).is(":checked")) {
locationFilter.setBounds(map.getBounds().pad(-0.2));
locationFilter.enable();
} else {
locationFilter.disable();
}
update();
}
function movedMap() {
marker.setLatLng(map.getCenter());
update();
}
function movedMarker() {
if (map.hasLayer(marker)) {
map.off("move", movedMap);
map.on("moveend", updateOnce);
map.panTo(marker.getLatLng());
}
}
function updateOnce() {
map.off("moveend", updateOnce);
map.on("move", movedMap);
update();
}
function escapeHTML(string) {
var htmlEscapes = {
"&": "&amp;",
"<": "&lt;",
">": "&gt;",
"\"": "&quot;",
"'": "&#x27;"
};
return string === null ? "" : String(string).replace(/[&<>"']/g, function (match) {
return htmlEscapes[match];
});
}
function update() {
var canEmbed = map.getMapBaseLayerId() !== "tracestracktopo";
var bounds = map.getBounds();
$("#link_marker")
.prop("checked", map.hasLayer(marker));
$("#image_filter")
.prop("checked", locationFilter.isEnabled());
// Link / Embed
$("#short_input").val(map.getShortUrl(marker));
$("#long_input").val(map.getUrl(marker));
$("#short_link").attr("href", map.getShortUrl(marker));
$("#long_link").attr("href", map.getUrl(marker));
var params = {
bbox: bounds.toBBoxString(),
layer: map.getMapBaseLayerId()
};
if (map.hasLayer(marker)) {
var latLng = marker.getLatLng().wrap();
params.marker = latLng.lat + "," + latLng.lng;
}
$("#embed_link")
.toggleClass("btn-primary", canEmbed)
.toggleClass("btn-secondary", !canEmbed)
.tooltip(canEmbed ? "disable" : "enable");
if (!canEmbed && $("#embed_link").hasClass("active")) {
$("#long_link").click();
}
$("#embed_html").val(
"<iframe width=\"425\" height=\"350\" src=\"" +
escapeHTML(OSM.SERVER_PROTOCOL + "://" + OSM.SERVER_URL + "/export/embed.html?" + $.param(params)) +
"\" style=\"border: 1px solid black\"></iframe><br/>" +
"<small><a href=\"" + escapeHTML(map.getUrl(marker)) + "\">" +
escapeHTML(I18n.t("javascripts.share.view_larger_map")) + "</a></small>");
// Geo URI
$("#geo_uri")
.attr("href", map.getGeoUri(marker))
.html(map.getGeoUri(marker));
// Image
if (locationFilter.isEnabled()) {
bounds = locationFilter.getBounds();
}
var scale = $("#mapnik_scale").val(),
size = L.bounds(L.CRS.EPSG3857.project(bounds.getSouthWest()),
L.CRS.EPSG3857.project(bounds.getNorthEast())).getSize(),
maxScale = Math.floor(Math.sqrt(size.x * size.y / 0.3136));
$("#mapnik_minlon").val(bounds.getWest());
$("#mapnik_minlat").val(bounds.getSouth());
$("#mapnik_maxlon").val(bounds.getEast());
$("#mapnik_maxlat").val(bounds.getNorth());
if (scale < maxScale) {
scale = roundScale(maxScale);
$("#mapnik_scale").val(scale);
}
const mapWidth = Math.round(size.x / scale / 0.00028);
const mapHeight = Math.round(size.y / scale / 0.00028);
$("#mapnik_image_width").text(mapWidth);
$("#mapnik_image_height").text(mapHeight);
const layer = map.getMapBaseLayerId();
const layerKeys = new Map([
["mapnik", "standard"],
["cyclemap", "cycle_map"],
["transportmap", "transport_map"]
]);
$("#mapnik_image_layer").text(layerKeys.has(layer) ? I18n.t(`javascripts.map.base.${layerKeys.get(layer)}`) : "");
$("#map_format").val(layer);
$("#map_zoom").val(map.getZoom());
$("#mapnik_lon").val(map.getCenter().lng);
$("#mapnik_lat").val(map.getCenter().lat);
$("#map_width").val(mapWidth);
$("#map_height").val(mapHeight);
if (["cyclemap", "transportmap"].includes(map.getMapBaseLayerId())) {
$("#export-image").show();
$("#mapnik_scale_row").hide();
$("#export-warning").hide();
} else if (map.getMapBaseLayerId() === "mapnik") {
$("#export-image").show();
$("#mapnik_scale_row").show();
$("#export-warning").hide();
} else {
$("#export-image").hide();
$("#export-warning").show();
}
}
function select() {
$(this).select();
}
function getScale() {
var bounds = map.getBounds(),
centerLat = bounds.getCenter().lat,
halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
meters = halfWorldMeters * (bounds.getEast() - bounds.getWest()) / 180,
pixelsPerMeter = map.getSize().x / meters,
metersPerPixel = 1 / (92 * 39.3701);
return Math.round(1 / (pixelsPerMeter * metersPerPixel));
}
function roundScale(scale) {
var precision = 5 * Math.pow(10, Math.floor(Math.LOG10E * Math.log(scale)) - 2);
return precision * Math.ceil(scale / precision);
}
};
return control;
};