+L.OSM.share = function (options) {
+ var control = L.control(options),
+ marker = L.marker([0, 0], { draggable: true }),
+ locationFilter = new L.LocationFilter({
+ enableButton: false,
+ adjustButton: false
+ });
+
+ control.onAdd = function (map) {
+ var $container = $("<div>")
+ .attr("class", "control-share");
+
+ var button = $("<a>")
+ .attr("class", "control-button")
+ .attr("href", "#")
+ .attr("title", I18n.t("javascripts.share.title"))
+ .html("<span class=\"icon share\"></span>")
+ .on("click", toggle)
+ .appendTo($container);
+
+ var $ui = $("<div>")
+ .attr("class", "share-ui");
+
+ $("<div>")
+ .attr("class", "sidebar_heading")
+ .appendTo($ui)
+ .append(
+ $("<span>")
+ .text(I18n.t("javascripts.close"))
+ .attr("class", "icon close")
+ .bind("click", toggle))
+ .append(
+ $("<h4>")
+ .text(I18n.t("javascripts.share.title")));
+
+ // Link / Embed
+
+ var $linkSection = $("<div>")
+ .attr("class", "section share-link")
+ .appendTo($ui);
+
+ $("<h4>")
+ .text(I18n.t("javascripts.share.link"))
+ .appendTo($linkSection);
+
+ var $form = $("<form>")
+ .attr("class", "standard-form")
+ .appendTo($linkSection);
+
+ $("<div>")
+ .attr("class", "standard-form-row")
+ .appendTo($form)
+ .append(
+ $("<label>")
+ .attr("for", "link_marker")
+ .append(
+ $("<input>")
+ .attr("id", "link_marker")
+ .attr("type", "checkbox")
+ .bind("change", toggleMarker))
+ .append(I18n.t("javascripts.share.include_marker")));
+
+ $("<div>")
+ .attr("class", "share-tabs")
+ .appendTo($form)
+ .append($("<a>")
+ .attr("class", "active")
+ .attr("for", "long_input")
+ .attr("id", "long_link")
+ .text(I18n.t("javascripts.share.long_link")))
+ .append($("<a>")
+ .attr("for", "short_input")
+ .attr("id", "short_link")
+ .text(I18n.t("javascripts.share.short_link")))
+ .append($("<a>")
+ .attr("for", "embed_html")
+ .attr("href", "#")
+ .text(I18n.t("javascripts.share.embed")))
+ .on("click", "a", function (e) {
+ e.preventDefault();
+ var id = "#" + $(this).attr("for");
+ $linkSection.find(".share-tabs a")
+ .removeClass("active");
+ $(this).addClass("active");
+ $linkSection.find(".share-tab")
+ .hide();
+ $linkSection.find(".share-tab:has(" + id + ")")
+ .show()
+ .find("input, textarea")
+ .select();
+ });
+
+ $("<div>")
+ .attr("class", "standard-form-row share-tab")
+ .css("display", "block")
+ .appendTo($form)
+ .append($("<input>")
+ .attr("id", "long_input")
+ .attr("type", "text")
+ .on("click", select));
+
+ $("<div>")
+ .attr("class", "standard-form-row share-tab")
+ .appendTo($form)
+ .append($("<input>")
+ .attr("id", "short_input")
+ .attr("type", "text")
+ .on("click", select));
+
+ $("<div>")
+ .attr("class", "standard-form-row share-tab")
+ .appendTo($form)
+ .append(
+ $("<textarea>")
+ .attr("id", "embed_html")
+ .on("click", select))
+ .append(
+ $("<p>")
+ .attr("class", "deemphasize")
+ .text(I18n.t("javascripts.share.paste_html"))
+ .appendTo($linkSection));
+
+ // Geo URI
+
+ var $geoUriSection = $("<div>")
+ .attr("class", "section share-geo-uri")
+ .appendTo($ui);
+
+ $("<h4>")
+ .text(I18n.t("javascripts.share.geo_uri"))
+ .appendTo($geoUriSection);
+
+ $("<div>")
+ .appendTo($geoUriSection)
+ .append($("<a>")
+ .attr("id", "geo_uri"));
+
+ // Image
+
+ var $imageSection = $("<div>")
+ .attr("class", "section share-image")
+ .appendTo($ui);
+
+ $("<h4>")
+ .text(I18n.t("javascripts.share.image"))
+ .appendTo($imageSection);
+
+ $("<div>")
+ .attr("id", "export-warning")
+ .attr("class", "deemphasize")
+ .text(I18n.t("javascripts.share.only_standard_layer"))
+ .appendTo($imageSection);
+
+ $form = $("<form>")
+ .attr("id", "export-image")
+ .attr("class", "standard-form")
+ .attr("action", "/export/finish")
+ .attr("method", "post")
+ .appendTo($imageSection);
+
+ $("<div>")
+ .attr("class", "standard-form-row")
+ .appendTo($form)
+ .append(
+ $("<label>")
+ .attr("for", "image_filter")
+ .append(
+ $("<input>")
+ .attr("id", "image_filter")
+ .attr("type", "checkbox")
+ .bind("change", toggleFilter))
+ .append(I18n.t("javascripts.share.custom_dimensions")));
+
+ $("<div>")
+ .attr("class", "standard-form-row")
+ .appendTo($form)
+ .append(
+ $("<label>")
+ .attr("for", "mapnik_format")
+ .text(I18n.t("javascripts.share.format")))
+ .append($("<select>")
+ .attr("name", "mapnik_format")
+ .attr("id", "mapnik_format")
+ .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")));
+
+ $("<div>")
+ .attr("class", "standard-form-row")
+ .appendTo($form)
+ .append($("<label>")
+ .attr("for", "mapnik_scale")
+ .text(I18n.t("javascripts.share.scale")))
+ .append("1 : ")
+ .append($("<input>")
+ .attr("name", "mapnik_scale")
+ .attr("id", "mapnik_scale")
+ .attr("type", "text")
+ .on("change", update));
+
+ ["minlon", "minlat", "maxlon", "maxlat"].forEach(function (name) {
+ $("<input>")
+ .attr("id", "mapnik_" + name)
+ .attr("name", name)
+ .attr("type", "hidden")
+ .appendTo($form);
+ });
+
+ $("<input>")
+ .attr("name", "format")
+ .attr("value", "mapnik")
+ .attr("type", "hidden")
+ .appendTo($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);
+
+ $("<p>")
+ .attr("class", "deemphasize")
+ .html(I18n.t("javascripts.share.image_size") + " <span id=\"mapnik_image_width\"></span> x <span id=\"mapnik_image_height\"></span>")
+ .appendTo($form);
+
+ $("<input>")
+ .attr("type", "submit")
+ .attr("value", I18n.t("javascripts.share.download"))
+ .appendTo($form);
+
+ locationFilter
+ .on("change", update)
+ .addTo(map);
+
+ marker.on("dragend", movedMarker);
+ map.on("move", movedMap);
+ map.on("moveend layeradd layerremove", update);
+
+ options.sidebar.addPane($ui);
+
+ $ui
+ .on("hide", hidden);
+
+ function hidden() {
+ map.removeLayer(marker);
+ map.options.scrollWheelZoom = map.options.doubleClickZoom = true;
+ locationFilter.disable();
+ update();
+ }
+
+ function toggle(e) {
+ e.stopPropagation();
+ e.preventDefault();
+
+ $("#mapnik_scale").val(getScale());
+ marker.setLatLng(map.getCenter());
+
+ update();
+ options.sidebar.togglePane($ui, button);
+ $(".leaflet-control .control-button").tooltip("hide");
+ }
+
+ function toggleMarker() {
+ if ($(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 = {
+ "&": "&",
+ "<": "<",
+ ">": ">",
+ "\"": """,
+ "'": "'"
+ };
+ return string === null ? "" : String(string).replace(/[&<>"']/g, function (match) {
+ return htmlEscapes[match];
+ });
+ }
+
+ function update() {
+ 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_html").val(
+ "<iframe width=\"425\" height=\"350\" frameborder=\"0\" scrolling=\"no\" marginheight=\"0\" marginwidth=\"0\" 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);
+ }
+
+ $("#mapnik_image_width").text(Math.round(size.x / scale / 0.00028));
+ $("#mapnik_image_height").text(Math.round(size.y / scale / 0.00028));
+
+ if (map.getMapBaseLayerId() === "mapnik") {
+ $("#export-image").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 $container[0];
+ };
+
+ return control;