97 lines
2.2 KiB
JavaScript
97 lines
2.2 KiB
JavaScript
OSM.initializeNotes = function (map) {
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var noteLayer = map.noteLayer,
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notes = {};
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var noteIcons = {
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"new": L.icon({
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iconUrl: OSM.NEW_NOTE_MARKER,
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iconSize: [25, 40],
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iconAnchor: [12, 40]
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}),
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"open": L.icon({
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iconUrl: OSM.OPEN_NOTE_MARKER,
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iconSize: [25, 40],
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iconAnchor: [12, 40]
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}),
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"closed": L.icon({
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iconUrl: OSM.CLOSED_NOTE_MARKER,
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iconSize: [25, 40],
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iconAnchor: [12, 40]
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})
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};
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map.on("layeradd", function (e) {
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if (e.layer === noteLayer) {
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loadNotes();
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map.on("moveend", loadNotes);
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}
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}).on("layerremove", function (e) {
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if (e.layer === noteLayer) {
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map.off("moveend", loadNotes);
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noteLayer.clearLayers();
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notes = {};
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}
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});
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noteLayer.on("click", function(e) {
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if (e.layer.id) {
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OSM.router.route("/note/" + e.layer.id);
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}
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});
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function updateMarker(marker, feature) {
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if (marker) {
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marker.setIcon(noteIcons[feature.properties.status]);
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} else {
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marker = L.marker(feature.geometry.coordinates.reverse(), {
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icon: noteIcons[feature.properties.status],
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title: feature.properties.comments[0].text,
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opacity: 0.8,
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interactive: true
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});
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marker.id = feature.properties.id;
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marker.addTo(noteLayer);
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}
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return marker;
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}
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noteLayer.getLayerId = function(marker) {
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return marker.id;
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};
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var noteLoader;
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function loadNotes() {
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var bounds = map.getBounds();
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var size = bounds.getSize();
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if (size <= OSM.MAX_NOTE_REQUEST_AREA) {
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var url = "/api/" + OSM.API_VERSION + "/notes.json?bbox=" + bounds.toBBoxString();
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if (noteLoader) noteLoader.abort();
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noteLoader = $.ajax({
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url: url,
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success: success
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});
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}
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function success(json) {
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var oldNotes = notes;
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notes = {};
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json.features.forEach(updateMarkers);
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function updateMarkers(feature) {
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var marker = oldNotes[feature.properties.id];
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delete oldNotes[feature.properties.id];
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notes[feature.properties.id] = updateMarker(marker, feature);
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}
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for (var id in oldNotes) {
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noteLayer.removeLayer(oldNotes[id]);
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}
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noteLoader = null;
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}
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}
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};
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