1 //= require jquery-simulate/jquery.simulate
3 OSM.History = function (map) {
7 .on("click", ".changeset_more a", loadMore)
8 .on("mouseover", "[data-changeset]", function () {
9 highlightChangeset($(this).data("changeset").id);
11 .on("mouseout", "[data-changeset]", function () {
12 unHighlightChangeset($(this).data("changeset").id);
15 const group = L.featureGroup()
16 .on("mouseover", function (e) {
17 highlightChangeset(e.layer.id);
19 .on("mouseout", function (e) {
20 unHighlightChangeset(e.layer.id);
22 .on("click", function (e) {
23 clickChangeset(e.layer.id, e.originalEvent);
26 group.getLayerId = function (layer) {
30 function highlightChangeset(id) {
31 const layer = group.getLayer(id);
32 if (layer) layer.setStyle({ fillOpacity: 0.3, color: "#FF6600", weight: 3 });
33 $("#changeset_" + id).addClass("selected");
36 function unHighlightChangeset(id) {
37 const layer = group.getLayer(id);
38 if (layer) layer.setStyle({ fillOpacity: 0, color: "#FF9500", weight: 2 });
39 $("#changeset_" + id).removeClass("selected");
42 function clickChangeset(id, e) {
43 $("#changeset_" + id).find("a.changeset_id").simulate("click", e);
46 function displayFirstChangesets(html) {
47 $("#sidebar_content .changesets").html(html);
50 function displayMoreChangesets(div, html) {
51 const oldList = $("#sidebar_content .changesets ol");
53 div.replaceWith(html);
55 const prevNewList = oldList.prevAll("ol");
56 if (prevNewList.length) {
57 prevNewList.next(".changeset_more").remove();
58 prevNewList.children().prependTo(oldList);
62 const nextNewList = oldList.nextAll("ol");
63 if (nextNewList.length) {
64 nextNewList.prev(".changeset_more").remove();
65 nextNewList.children().appendTo(oldList);
71 const data = new URLSearchParams();
72 const params = new URLSearchParams(location.search);
74 if (location.pathname === "/history") {
75 data.set("bbox", map.getBounds().wrap().toBBoxString());
76 const feedLink = $("link[type=\"application/atom+xml\"]"),
77 feedHref = feedLink.attr("href").split("?")[0];
78 feedLink.attr("href", feedHref + "?" + data);
81 data.set("list", "1");
83 if (params.has("before")) {
84 data.set("before", params.get("before"));
86 if (params.has("after")) {
87 data.set("after", params.get("after"));
90 fetch(location.pathname + "?" + data)
91 .then(response => response.text())
92 .then(function (html) {
93 displayFirstChangesets(html);
98 function loadMore(e) {
102 const div = $(this).parents(".changeset_more");
105 div.find(".loader").show();
107 $.get($(this).attr("href"), function (html) {
108 displayMoreChangesets(div, html);
115 function updateBounds() {
118 for (const changeset of changesets) {
119 const bottomLeft = map.project(L.latLng(changeset.bbox.minlat, changeset.bbox.minlon)),
120 topRight = map.project(L.latLng(changeset.bbox.maxlat, changeset.bbox.maxlon)),
121 width = topRight.x - bottomLeft.x,
122 height = bottomLeft.y - topRight.y,
123 minSize = 20; // Min width/height of changeset in pixels
125 if (width < minSize) {
126 bottomLeft.x -= ((minSize - width) / 2);
127 topRight.x += ((minSize - width) / 2);
130 if (height < minSize) {
131 bottomLeft.y += ((minSize - height) / 2);
132 topRight.y -= ((minSize - height) / 2);
135 changeset.bounds = L.latLngBounds(map.unproject(bottomLeft),
136 map.unproject(topRight));
139 changesets.sort(function (a, b) {
140 return b.bounds.getSize() - a.bounds.getSize();
143 for (const changeset of changesets) {
144 const rect = L.rectangle(changeset.bounds,
145 { weight: 2, color: "#FF9500", opacity: 1, fillColor: "#FFFFAF", fillOpacity: 0 });
146 rect.id = changeset.id;
151 function updateMap() {
152 changesets = $("[data-changeset]").map(function (index, element) {
153 return $(element).data("changeset");
154 }).get().filter(function (changeset) {
155 return changeset.bbox;
160 if (location.pathname !== "/history") {
161 const bounds = group.getBounds();
162 if (bounds.isValid()) map.fitBounds(bounds);
166 page.pushstate = page.popstate = function (path) {
167 OSM.loadSidebarContent(path, page.load);
170 page.load = function () {
173 if (location.pathname === "/history") {
174 map.on("moveend", update);
177 map.on("zoomend", updateBounds);
182 page.unload = function () {
183 map.removeLayer(group);
184 map.off("moveend", update);
185 map.off("zoomend", updateBounds);