706 lines
19 KiB
JavaScript
706 lines
19 KiB
JavaScript
"use strict";
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var options = {};
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if (start_lat || start_lng) {
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start_lat = start_lat.toFixed(5);
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start_lng = start_lng.toFixed(5);
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options = {
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center: [start_lat, start_lng],
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zoom: zoom,
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};
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}
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var map = L.map("map", options);
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var items = {};
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var wikidata_items = {};
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var osm_objects = {};
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var wikidata_loaded = false;
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var osm_loaded = false;
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var loading = document.getElementById("loading");
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var load_text = document.getElementById("load-text");
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var isa_card = document.getElementById("isa-card");
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var link_status_card = document.getElementById("link-status-card");
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var detail_card = document.getElementById("detail-card");
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var detail = document.getElementById("detail");
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var detail_header = document.getElementById("detail-header");
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var search_and_isa = document.getElementById("search-and-isa");
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var detail_qid;
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var candidates = document.getElementById("candidates");
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var checkbox_list = document.getElementsByClassName("isa-checkbox");
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var linked = document.getElementById("linked");
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var not_linked = document.getElementById("not-linked");
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var nearby_lookup = {};
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var isa_labels = {};
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var items_url = "/api/1/items";
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var osm_objects_url = "/api/1/osm";
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var missing_url = "/api/1/missing";
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var hover_circles = [];
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var selected_circles = [];
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var candidate_outline;
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var isa_count = {};
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map.zoomControl.setPosition("topright");
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function build_map_path() {
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var zoom = map.getZoom();
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var c = map.getCenter();
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var lat = c.lat.toFixed(5);
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var lng = c.lng.toFixed(5);
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var path = `/map/${zoom}/${lat}/${lng}`;
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if (detail_qid !== undefined) {
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path += `?item=${detail_qid}`;
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}
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return path;
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}
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function update_map_path() {
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history.replaceState(null, null, build_map_path());
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}
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function qid_from_url() {
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const queryString = window.location.search;
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const urlParams = new URLSearchParams(queryString);
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return urlParams.get("item") || undefined;
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}
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map.on("moveend", update_map_path);
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var blueMarker = L.ExtraMarkers.icon({
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icon: "fa-wikidata",
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markerColor: "blue",
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shape: "circle",
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prefix: "fa",
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});
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var greenMarker = L.ExtraMarkers.icon({
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icon: "fa-wikidata",
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markerColor: "green",
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shape: "circle",
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prefix: "fa",
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});
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var redMarker = L.ExtraMarkers.icon({
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icon: "fa-wikidata",
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markerColor: "red",
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shape: "circle",
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prefix: "fa",
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});
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var osmYellowMarker = L.ExtraMarkers.icon({
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icon: "fa-map",
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markerColor: "yellow",
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shape: "square",
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prefix: "fa",
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});
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var osmOrangeMarker = L.ExtraMarkers.icon({
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icon: "fa-map",
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markerColor: "orange",
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shape: "square",
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prefix: "fa",
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});
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if (!start_lat || !start_lng) {
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map.fitBounds([
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[49.85, -10.5],
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[58.75, 1.9],
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]);
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}
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var osm = L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
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maxZoom: 19,
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});
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osm.addTo(map);
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function load_complete() {
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loading.classList.add("d-none");
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load_text.classList.remove("d-none");
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detail_card.classList.add("d-none");
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if(detail_qid) {
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open_detail(detail_qid);
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}
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}
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function add_to_feature_group(qid, thing) {
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if (items[qid] === undefined) items[qid] = {};
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if (items[qid].group === undefined) items[qid].group = L.featureGroup();
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var group = items[qid].group;
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thing.addTo(group);
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return group;
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}
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function update_wikidata(check_for_missing = true) {
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if (
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Object.keys(wikidata_items).length === 0 ||
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Object.keys(osm_objects).length === 0
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) {
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if (wikidata_loaded && osm_loaded) load_complete();
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return;
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}
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if (check_for_missing) {
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var missing_qids = [];
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for (const qid in osm_objects) {
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var item = wikidata_items[qid];
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if (!item) missing_qids.push(qid);
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}
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if (missing_qids.length) {
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var c = map.getCenter();
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var params = {
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qids: missing_qids.join(","),
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lat: c.lat.toFixed(5),
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lon: c.lng.toFixed(5),
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};
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axios.get(missing_url, { params: params }).then((response) => {
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response.data.isa_count.forEach((isa) => {
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isa_labels[isa.qid] = isa.label;
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if (isa_count[isa.qid] === undefined) {
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isa_count[isa.qid] = isa;
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} else {
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isa_count[isa.qid].count += 1;
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}
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});
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process_wikidata_items(response.data.items);
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update_wikidata(false);
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});
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}
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}
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var linked_count = 0;
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var not_linked_count = 0;
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for (const qid in osm_objects) {
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var osm_list = osm_objects[qid];
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var item = wikidata_items[qid];
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osm_list.forEach((osm) => {
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osm.marker.setIcon(item ? osmYellowMarker : osmOrangeMarker);
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});
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if (!item) continue;
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item.markers.forEach((marker_data) => {
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marker_data.marker.setIcon(greenMarker);
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if (!items[qid].lines) items[qid].lines = [];
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osm_list.forEach((osm) => {
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var path = [osm.centroid, marker_data];
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var polyline = L.polyline(path, { color: "green" });
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add_to_feature_group(qid, polyline);
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items[qid].lines.push(polyline);
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});
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});
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}
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for (const qid in wikidata_items) {
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if (osm_objects[qid]) {
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linked_count += 1;
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continue;
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}
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not_linked_count += 1;
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var item = wikidata_items[qid];
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item.markers.forEach((marker_data) => {
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marker_data.marker.setIcon(redMarker);
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});
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}
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document.getElementById("linked-count").textContent = linked_count;
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document.getElementById("not-linked-count").textContent = not_linked_count;
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var isa_count_values = Object.values(isa_count);
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set_isa_list(isa_count_values);
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link_status_card.classList.remove("d-none");
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load_complete();
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}
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function isa_only(e) {
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e.preventDefault();
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var this_id = e.target.parentNode.childNodes[0].id;
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for (const checkbox of checkbox_list) {
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checkbox.checked = checkbox.id == this_id;
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}
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checkbox_change();
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}
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function show_all_isa(e) {
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e.preventDefault();
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for (const checkbox of checkbox_list) {
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checkbox.checked = true;
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}
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checkbox_change();
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}
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function checkbox_change() {
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var ticked = [];
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for (const checkbox of checkbox_list) {
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if (checkbox.checked) ticked.push(checkbox.id.substr(4));
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}
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for (const qid in items) {
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var item = items[qid];
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if (item.group === undefined) continue;
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if (item.isa_list === undefined) continue;
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var show_item = true;
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if (osm_objects[qid] && !linked.checked) {
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show_item = false;
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}
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if (!osm_objects[qid] && !not_linked.checked) {
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show_item = false;
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}
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if (show_item) {
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const item_isa_list = item.isa_list;
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const intersection = ticked.filter((isa_qid) =>
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item_isa_list.includes(isa_qid)
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);
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if (intersection.length == 0) {
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show_item = false;
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}
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}
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if (show_item) {
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item.group.addTo(map);
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} else {
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item.group.removeFrom(map);
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}
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}
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}
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function link_status_change() {
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if (!linked.checked && !not_linked.checked) {
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for (const qid in items) {
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var item = items[qid];
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item.group.removeFrom(map);
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}
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}
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}
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function set_isa_list(isa_count_list) {
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isa_count_list.sort((a, b) => b.count - a.count);
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isa_card.classList.remove("d-none");
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var isa_list = document.getElementById("isa-list");
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isa_list.innerHTML = "";
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isa_count_list.forEach((isa) => {
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var isa_id = `isa-${isa.qid}`;
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var e = document.createElement("div");
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e.setAttribute("class", "isa-item");
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var checkbox = document.createElement("input");
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checkbox.setAttribute("type", "checkbox");
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checkbox.setAttribute("checked", "checked");
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checkbox.setAttribute("id", isa_id);
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checkbox.setAttribute("class", "isa-checkbox");
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checkbox.onchange = checkbox_change;
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e.appendChild(checkbox);
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e.appendChild(document.createTextNode(" "));
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var label = document.createElement("label");
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label.setAttribute("for", isa_id);
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var label_text = document.createTextNode(
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` ${isa.label} (${isa.qid}): ${isa.count} `
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);
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label.appendChild(label_text);
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e.appendChild(label);
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e.appendChild(document.createTextNode(" "));
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var only = document.createElement("a");
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only.setAttribute("href", "#");
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var only_text = document.createTextNode("only");
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only.appendChild(only_text);
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only.onclick = isa_only;
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e.appendChild(only);
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isa_list.appendChild(e);
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});
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}
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function build_item_detail(item, tag_or_key_list) {
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var wd_url = "https://www.wikidata.org/wiki/" + item.qid;
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var popup = '<div class="row"><div class="col">'
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var has_image = item.image_list && item.image_list.length;
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popup += "<strong>Wikidata item</strong><br>";
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popup += `<a href="${wd_url}" target="_blank">${item.label}</a> (${item.qid})`;
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if (item.description) {
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popup += `<br><strong>description</strong><br>${item.description}`;
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}
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if (item.isa_list && item.isa_list.length) {
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popup += "<br><strong>item type</strong>";
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for (const [index, isa_qid] of item.isa_list.entries()) {
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var isa_url = "https://www.wikidata.org/wiki/" + isa_qid;
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var isa_label = isa_labels[isa_qid];
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popup += `<br><a href="${isa_url}" target="_blank">${isa_label}</a> (${isa_qid})`;
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}
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}
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if (item.street_address && item.street_address.length) {
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popup += "<br><strong>street address</strong>";
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popup += `<br>${item.street_address[0]}`;
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}
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if (tag_or_key_list && tag_or_key_list.length) {
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if (!has_image) {
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popup += '</div><div class="col">'
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} else {
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popup += "<br>"
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}
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popup += "<strong>OSM tags/keys to search for</strong>";
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for (const v of tag_or_key_list) {
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popup += `<br>${v}`;
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}
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}
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if (has_image) {
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popup += '</div><div class="col">'
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popup += `<img class="w-100" src="/commons/${item.image_list[0]}">`;
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}
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popup += "</div></div>";
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return popup;
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}
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function mouseover(item) {
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if (item.outline) {
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item.outline.setStyle({ fillOpacity: 0.2, weight: 6 });
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}
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if (item.lines) {
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item.lines.forEach((line) => {
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line.setStyle({ weight: 6 });
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});
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}
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item.markers.forEach((marker) => {
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var coords = marker.getLatLng();
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var circle = L.circle(coords, { radius: 20 }).addTo(map);
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hover_circles.push(circle);
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});
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}
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function mouseout(item) {
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if (item.outline) {
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item.outline.setStyle({ fillOpacity: 0, weight: 3 });
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}
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if (item.lines) {
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item.lines.forEach((line) => {
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line.setStyle({ weight: 3 });
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});
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}
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hover_circles.forEach((circle) => {
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circle.removeFrom(map);
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});
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hover_circles = [];
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}
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function close_item_details() {
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selected_circles.forEach((circle) => {
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circle.removeFrom(map);
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});
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selected_circles = [];
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detail_header.innerHTML = "";
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detail.innerHTML = "";
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candidates.innerHTML = "";
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update_map_path();
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if (candidate_outline) {
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candidate_outline.removeFrom(map);
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candidate_outline = undefined;
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}
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}
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function show_outline(osm) {
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if (candidate_outline !== undefined) {
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candidate_outline.removeFrom(map);
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}
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var mapStyle = { fillOpacity: 0, color: "red" };
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var geojson = L.geoJSON(null, { style: mapStyle });
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geojson.addData(osm.geojson);
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geojson.addTo(map);
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candidate_outline = geojson;
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}
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function open_detail(qid) {
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var item = items[qid];
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if (item.wikidata === undefined) {
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console.log("not found:", qid);
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return;
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}
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search_and_isa.classList.add("d-none");
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detail_card.classList.remove("d-none");
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detail_card.classList.add("bg-highlight");
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close_item_details();
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detail_qid = qid;
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item.markers.forEach((marker) => {
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var coords = marker.getLatLng();
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var circle = L.circle(coords, { radius: 20, color: "orange" }).addTo(map);
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selected_circles.push(circle);
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});
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window.setTimeout(function () {
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detail_card.classList.remove("bg-highlight");
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}, 1000);
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update_map_path();
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var item_label = `${item.wikidata.label} (${item.wikidata.qid})`;
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detail_header.innerHTML = "";
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detail_header.append(document.createTextNode(item_label));
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var item_tags_url = `/api/1/item/${qid}/tags`;
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axios.get(item_tags_url).then((response) => {
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var tag_or_key_list = response.data.tag_or_key_list;
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if (response.data.qid != detail_qid) {
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tag_or_key_list = []; // different QID
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}
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var item_detail = build_item_detail(item.wikidata, tag_or_key_list);
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detail.innerHTML = item_detail;
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if (tag_or_key_list.length == 0) return;
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var item_osm_candidates_url = `/api/1/item/${qid}/candidates`;
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var bounds = map.getBounds();
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var params = { bounds: bounds.toBBoxString() };
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axios
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.get(item_osm_candidates_url, { params: params })
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.then((response) => {
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if (response.data.qid != detail_qid) return; // different QID
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var nearby = response.data.nearby;
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if (!nearby.length) return;
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var osm_html = "<strong>Possible OSM matches</strong><br>";
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osm_html += '<table class="table table-sm table-hover">'
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osm_html += '<tbody>'
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for (const osm of nearby) {
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var candidate_id = osm.identifier.replace("/", "_");
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osm_html += `<tr class="osm-candidate" id="${candidate_id}"><td class="text-end text-nowrap">${osm.distance.toFixed(0)}m `;
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osm_html += `<a href="https://www.openstreetmap.org/${osm.identifier}" target="_blank">`;
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osm_html += '<i class="fa fa-map-o"></i></a>';
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osm_html += "</td><td>";
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nearby_lookup[candidate_id] = osm;
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if (osm.name) {
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osm_html += osm.name + " ";
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}
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if (!osm.presets.length && !osm.name) {
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osm_html += "no name ";
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}
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osm_html += osm.presets.map(function(p) {
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var wiki_url = `http://wiki.openstreetmap.org/wiki/${p.tag_or_key}`;
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return `<a href="${wiki_url}" class="osm-wiki-link" target="_blank">${p.name} <i class="fa fa-external-link"></i></a>`;
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}).join(", ");
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if (osm.address_list && osm.address_list.length) {
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if (osm.address_list.length == 1) {
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osm_html += "<br>address node: " + osm.address_list[0];
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} else {
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osm_html += "<br>address nodes: " + osm.address_list.join("; ")
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}
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}
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osm_html += "</td></tr>";
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}
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osm_html += "</tbody></table>"
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|
candidates.innerHTML = osm_html;
|
|
var span_list = document.getElementsByClassName("osm-candidate");
|
|
|
|
for (const osm_span of span_list) {
|
|
osm_span.onmouseenter = function (e) {
|
|
show_outline(nearby_lookup[e.target.id]);
|
|
};
|
|
}
|
|
});
|
|
});
|
|
|
|
}
|
|
|
|
function mouse_events(marker, qid) {
|
|
items[qid] ||= {};
|
|
var item = items[qid];
|
|
marker.on("mouseover", function () {
|
|
mouseover(item);
|
|
});
|
|
marker.on("mouseout", function () {
|
|
mouseout(item);
|
|
});
|
|
marker.on("click", function () {
|
|
detail_qid = qid;
|
|
open_detail(qid);
|
|
});
|
|
|
|
item.markers ||= [];
|
|
item.markers.push(marker);
|
|
}
|
|
|
|
function add_wikidata_marker(item, marker_data) {
|
|
var icon = blueMarker;
|
|
var qid = item.qid;
|
|
var label = `${item.label} (${item.qid})`;
|
|
var marker = L.marker(marker_data, { icon: icon });
|
|
mouse_events(marker, qid);
|
|
|
|
var group = add_to_feature_group(item.qid, marker);
|
|
group.addTo(map);
|
|
|
|
marker_data.marker = marker;
|
|
}
|
|
|
|
function process_wikidata_items(load_items) {
|
|
load_items.forEach((item) => {
|
|
var qid = item.qid;
|
|
if (item.qid in wikidata_items) return;
|
|
item.markers.forEach((marker_data) =>
|
|
add_wikidata_marker(item, marker_data)
|
|
);
|
|
items[qid].wikidata = item;
|
|
wikidata_items[item.qid] = item;
|
|
|
|
if (items[qid] === undefined) items[qid] = {};
|
|
items[qid].isa_list = item.isa_list;
|
|
});
|
|
}
|
|
|
|
function load_wikidata_items() {
|
|
var checkbox_list = document.getElementsByClassName("isa-checkbox");
|
|
|
|
for (const checkbox of checkbox_list) checkbox.checked = true;
|
|
linked.checked = true;
|
|
not_linked.checked = true;
|
|
|
|
checkbox_change();
|
|
|
|
close_item_details();
|
|
search_and_isa.classList.remove("d-none");
|
|
detail_card.classList.add("d-none");
|
|
loading.classList.remove("d-none");
|
|
load_text.classList.add("d-none");
|
|
|
|
var bounds = map.getBounds();
|
|
|
|
var params = { bounds: bounds.toBBoxString() };
|
|
|
|
axios.get(items_url, { params: params }).then((response) => {
|
|
response.data.isa_count.forEach((isa) => {
|
|
isa_count[isa.qid] = isa;
|
|
isa_labels[isa.qid] = isa.label;
|
|
});
|
|
|
|
process_wikidata_items(response.data.items);
|
|
|
|
wikidata_loaded = true;
|
|
isa_card.classList.remove("d-none");
|
|
link_status_card.classList.remove("d-none");
|
|
update_wikidata();
|
|
});
|
|
|
|
axios.get(osm_objects_url, { params: params }).then((response) => {
|
|
console.log(`${response.data.duration} seconds`);
|
|
response.data.objects.forEach((osm) => {
|
|
var qid = osm.wikidata;
|
|
if (osm_objects[qid] === undefined) osm_objects[qid] = [];
|
|
osm_objects[qid].push(osm);
|
|
|
|
var icon = osmYellowMarker;
|
|
var marker = L.marker(osm.centroid, { title: osm.name, icon: icon });
|
|
osm.marker = marker;
|
|
var wd_url = "https://www.wikidata.org/wiki/" + qid;
|
|
var popup = `
|
|
<p>
|
|
${osm.name}:
|
|
<a href="${osm.url}" target="_blank">${osm.identifier}</a>
|
|
<br>
|
|
Wikidata tag: <a href="${wd_url}" target="_blank">${qid}</a>
|
|
</p>`;
|
|
|
|
mouse_events(marker, qid);
|
|
|
|
var group = add_to_feature_group(qid, marker);
|
|
group.addTo(map);
|
|
items[qid].markers ||= [];
|
|
items[qid].markers.push(marker);
|
|
|
|
if (osm.type != "node" && osm.geojson) {
|
|
var mapStyle = { fillOpacity: 0 };
|
|
var geojson = L.geoJSON(null, { style: mapStyle });
|
|
geojson.addData(osm.geojson);
|
|
add_to_feature_group(qid, geojson);
|
|
items[qid].outline = geojson;
|
|
}
|
|
});
|
|
|
|
osm_loaded = true;
|
|
update_wikidata();
|
|
});
|
|
}
|
|
|
|
document.getElementById("search-form").onsubmit = function (e) {
|
|
e.preventDefault();
|
|
var search_text = document.getElementById("search-text").value.trim();
|
|
if (!search_text) return;
|
|
var params = { q: search_text };
|
|
var search_url = "/api/1/search";
|
|
var search_results = document.getElementById("search-results");
|
|
axios.get(search_url, { params: params }).then((response) => {
|
|
search_results.innerHTML = "";
|
|
response.data.hits.forEach((hit) => {
|
|
var e = document.createElement("div");
|
|
var category = document.createTextNode(hit.category + " ");
|
|
e.appendChild(category);
|
|
var a = document.createElement("a");
|
|
var lat = parseFloat(hit.lat).toFixed(5);
|
|
var lon = parseFloat(hit.lon).toFixed(5);
|
|
a.setAttribute("href", `/map/15/${lat}/${lon}`);
|
|
var link_text = document.createTextNode(hit.name);
|
|
a.appendChild(link_text);
|
|
e.appendChild(a);
|
|
search_results.appendChild(e);
|
|
});
|
|
});
|
|
};
|
|
|
|
function close_detail() {
|
|
search_and_isa.classList.remove("d-none");
|
|
detail_card.classList.add("d-none");
|
|
|
|
close_item_details();
|
|
detail_qid = undefined;
|
|
update_map_path();
|
|
}
|
|
|
|
document.getElementById("load-btn").onclick = load_wikidata_items;
|
|
document.getElementById("show-all-isa").onclick = show_all_isa;
|
|
document.getElementById("close-detail").onclick = close_detail;
|
|
|
|
linked.onchange = checkbox_change;
|
|
not_linked.onchange = checkbox_change;
|
|
|
|
detail_qid = qid_from_url();
|
|
update_map_path();
|
|
|
|
if(detail_qid) {
|
|
load_wikidata_items();
|
|
}
|