-//= require templates/browse/feature
-//= require templates/browse/feature_list
-//= require templates/browse/feature_history
-
-$(document).ready(function () {
- $("#show_data").click(function (e) {
- $.ajax({ url: $(this).attr('href'), success: function (sidebarHtml) {
- startBrowse(sidebarHtml);
- }});
- e.preventDefault();
+function initializeBrowse(map) {
+ var browseBounds;
+ var selectedLayer;
+ var dataLayer = map.dataLayer;
+
+ dataLayer.setStyle({
+ way: {
+ weight: 3,
+ color: "#000000",
+ opacity: 0.4
+ },
+ area: {
+ weight: 3,
+ color: "#ff0000"
+ },
+ node: {
+ color: "#00ff00"
+ }
});
- function startBrowse(sidebarHtml) {
- var browseBounds;
- var layersById;
- var selectedLayer;
- var browseObjectList;
- var areasHidden = false;
-
- var dataLayer = new L.OSM.DataLayer(null, {
- styles: {
- way: {
- weight: 3,
- color: "#000000",
- opacity: 0.4
- },
- area: {
- weight: 3,
- color: "#ff0000"
- },
- node: {
- color: "#00ff00"
- }
- }
- });
-
- dataLayer.addTo(map);
-
- dataLayer.isWayArea = function () {
- return !areasHidden && L.OSM.DataLayer.prototype.isWayArea.apply(this, arguments);
- };
-
- var locationFilter = new L.LocationFilter({
- enableButton: false,
- adjustButton: false
- }).addTo(map);
-
- locationFilter.on("change", getData);
+ dataLayer.isWayArea = function () {
+ return false;
+ };
- $("#sidebar_title").html(I18n.t('browse.start_rjs.data_frame_title'));
- $("#sidebar_content").html(sidebarHtml);
-
- openSidebar();
-
- map.on("moveend", updateData);
- updateData();
-
- $("#browse_filter_toggle").toggle(enableFilter, disableFilter);
-
- $("#browse_hide_areas_box").html(I18n.t('browse.start_rjs.hide_areas'));
- $("#browse_hide_areas_box").toggle(hideAreas, showAreas);
+ dataLayer.on("click", function (e) {
+ onSelect(e.layer);
+ });
- function updateData() {
- if (!locationFilter.isEnabled()) {
- if (map.getZoom() >= 15) {
- var bounds = map.getBounds();
- if (!browseBounds || !browseBounds.contains(bounds)) {
- browseBounds = bounds;
- getData();
- }
- } else {
- setStatus(I18n.t('browse.start_rjs.zoom_or_select'));
- }
- }
+ map.on('layeradd', function (e) {
+ if (e.layer === dataLayer) {
+ map.on("moveend", updateData);
+ updateData();
}
+ });
- $("#sidebar").one("closed", function () {
- map.removeLayer(dataLayer);
- map.removeLayer(locationFilter);
+ map.on('layerremove', function (e) {
+ if (e.layer === dataLayer) {
map.off("moveend", updateData);
- locationFilter.off("change", getData);
- });
-
- function enableFilter() {
- $("#browse_filter_toggle").html(I18n.t('browse.start_rjs.view_data'));
- locationFilter.setBounds(map.getBounds().pad(-0.2));
- locationFilter.enable();
- getData();
- }
-
- function disableFilter() {
- $("#browse_filter_toggle").html(I18n.t('browse.start_rjs.manually_select'));
- locationFilter.disable();
- getData();
+ $('#browse_status').empty();
}
+ });
- function hideAreas() {
- $("#browse_hide_areas_box").html(I18n.t('browse.start_rjs.show_areas'));
- areasHidden = true;
- getData();
- }
+ function updateData() {
+ var bounds = map.getBounds();
+ getData(!browseBounds || !browseBounds.contains(bounds));
+ browseBounds = bounds;
+ }
- function showAreas() {
- $("#browse_hide_areas_box").html(I18n.t('browse.start_rjs.hide_areas'));
- areasHidden = false;
- getData();
- }
+ function displayFeatureWarning(count, limit, callback) {
+ $('#browse_status').html(
+ $("<p class='warning'></p>")
+ .text(I18n.t("browse.start_rjs.loaded_an_area_with_num_features", { num_features: count, max_features: limit }))
+ .append(
+ $("<input type='submit'>")
+ .val(I18n.t('browse.start_rjs.load_data'))
+ .click(callback)));
+ }
- function displayFeatureWarning(count, limit, callback) {
- clearStatus();
+ var dataLoader;
- var div = document.createElement("div");
+ function getData(inPrevious) {
+ var bounds = map.getBounds();
+ var size = bounds.getSize();
- var p = document.createElement("p");
- p.appendChild(document.createTextNode(I18n.t("browse.start_rjs.loaded_an_area_with_num_features", { num_features: count, max_features: limit })));
- div.appendChild(p);
+ if (size > OSM.MAX_REQUEST_AREA) {
+ $('#browse_status').html(
+ $("<p class='warning'></p>")
+ .text(I18n.t("browse.start_rjs.unable_to_load_size", { max_bbox_size: OSM.MAX_REQUEST_AREA, bbox_size: size.toFixed(2) })));
+ return;
+ }
- var input = document.createElement("input");
- input.type = "submit";
- input.value = I18n.t('browse.start_rjs.load_data');
- input.onclick = callback;
- div.appendChild(input);
+ if (inPrevious) return;
- $("#browse_content").html("");
- $("#browse_content").append(div);
- }
+ var url = "/api/" + OSM.API_VERSION + "/map?bbox=" + bounds.toBBoxString();
- function getData() {
- var bounds = locationFilter.isEnabled() ? locationFilter.getBounds() : map.getBounds();
- var size = bounds.getSize();
+ /*
+ * Modern browsers are quite happy showing far more than 100 features in
+ * the data browser, so increase the limit to 2000 by default, but keep
+ * it restricted to 500 for IE8 and 100 for older IEs.
+ */
+ var maxFeatures = 2000;
- if (size > OSM.MAX_REQUEST_AREA) {
- setStatus(I18n.t("browse.start_rjs.unable_to_load_size", { max_bbox_size: OSM.MAX_REQUEST_AREA, bbox_size: size }));
- return;
+ /*@cc_on
+ if (navigator.appVersion < 8) {
+ maxFeatures = 100;
+ } else if (navigator.appVersion < 9) {
+ maxFeatures = 500;
}
+ @*/
- setStatus(I18n.t('browse.start_rjs.loading'));
+ if (dataLoader) dataLoader.abort();
- var url = "/api/" + OSM.API_VERSION + "/map?bbox=" + bounds.toBBOX();
+ dataLoader = $.ajax({
+ url: url,
+ success: function (xml) {
+ dataLayer.clearLayers();
+ selectedLayer = null;
- /*
- * Modern browsers are quite happy showing far more than 100 features in
- * the data browser, so increase the limit to 2000 by default, but keep
- * it restricted to 500 for IE8 and 100 for older IEs.
- */
- var maxFeatures = 2000;
+ var features = dataLayer.buildFeatures(xml);
- /*@cc_on
- if (navigator.appVersion < 8) {
- maxFeatures = 100;
- } else if (navigator.appVersion < 9) {
- maxFeatures = 500;
+ function addFeatures() {
+ $('#browse_status').empty();
+ dataLayer.addData(features);
}
- @*/
-
- $.ajax({
- url: url,
- success: function (xml) {
- clearStatus();
-
- $("#browse_content").empty();
- dataLayer.clearLayers();
- selectedLayer = null;
-
- var features = dataLayer.buildFeatures(xml);
-
- function addFeatures() {
- dataLayer.addData(features);
-
- layersById = {};
-
- dataLayer.eachLayer(function (layer) {
- var feature = layer.feature;
- layersById[feature.id] = layer;
- $.extend(feature, {
- typeName: featureTypeName(feature),
- url: "/browse/" + feature.type + "/" + feature.id,
- name: featureName(feature)
- });
- });
-
- browseObjectList = $(JST["templates/browse/feature_list"]({
- features: features,
- url: url
- }))[0];
- loadObjectList();
- }
-
- if (features.length < maxFeatures) {
- addFeatures();
- } else {
- displayFeatureWarning(features.length, maxFeatures, addFeatures);
- }
+ if (features.length < maxFeatures) {
+ addFeatures();
+ } else {
+ displayFeatureWarning(features.length, maxFeatures, addFeatures);
}
- });
- }
-
- function viewFeatureLink() {
- var layer = layersById[$(this).data("feature-id")];
-
- onSelect(layer);
- if (locationFilter.isEnabled()) {
- map.panTo(layer.getBounds().getCenter());
+ dataLoader = null;
}
-
- return false;
- }
-
- function loadObjectList() {
- $("#browse_content").html(browseObjectList);
- $("#browse_content").find("a[data-feature-id]").click(viewFeatureLink);
-
- return false;
- }
-
- function onSelect(layer) {
- // Unselect previously selected feature
- if (selectedLayer) {
- selectedLayer.setStyle(selectedLayer.originalStyle);
- }
-
- // Redraw in selected style
- layer.originalStyle = layer.options;
- layer.setStyle({color: '#0000ff', weight: 8});
-
- // If the current object is the list, don't innerHTML="", since that could clear it.
- if ($("#browse_content").firstChild == browseObjectList) {
- $("#browse_content").removeChild(browseObjectList);
- } else {
- $("#browse_content").empty();
- }
-
- var feature = layer.feature;
-
- $("#browse_content").html(JST["templates/browse/feature"]({
- name: featureNameSelect(feature),
- url: "/browse/" + feature.type + "/" + feature.id,
- attributes: feature.tags
- }));
-
- $("#browse_content").find("a.browse_show_list").click(loadObjectList);
- $("#browse_content").find("a.browse_show_history").click(loadHistory);
-
- // Stash the currently drawn feature
- selectedLayer = layer;
- }
-
- dataLayer.on("click", function (e) {
- onSelect(e.layer);
});
+ }
- function loadHistory() {
- $(this).attr("href", "").text(I18n.t('browse.start_rjs.wait'));
-
- var feature = selectedLayer.feature;
-
- $.ajax({
- url: "/api/" + OSM.API_VERSION + "/" + feature.type + "/" + feature.id + "/history",
- success: function (xml) {
- if (selectedLayer.feature != feature || $("#browse_content").firstChild == browseObjectList) {
- return;
- }
-
- $(this).remove();
-
- var history = [];
- var nodes = xml.getElementsByTagName(feature.type);
- for (var i = nodes.length - 1; i >= 0; i--) {
- history.push({
- user: nodes[i].getAttribute("user") || I18n.t('browse.start_rjs.private_user'),
- timestamp: nodes[i].getAttribute("timestamp")
- });
- }
-
- $("#browse_content").append(JST["templates/browse/feature_history"]({
- name: featureNameHistory(feature),
- url: "/browse/" + feature.type + "/" + feature.id,
- history: history
- }));
- }.bind(this)
- });
-
- return false;
- }
-
- function featureTypeName(feature) {
- return I18n.t('browse.start_rjs.object_list.type.' + feature.type);
- }
-
- function featureName(feature) {
- return feature.tags['name:' + $('html').attr('lang')] ||
- feature.tags.name ||
- feature.id;
- }
-
- function featureNameSelect(feature) {
- return feature.tags['name:' + $('html').attr('lang')] ||
- feature.tags.name ||
- I18n.t("browse.start_rjs.object_list.selected.type." + feature.type, { id: feature.id });
+ function onSelect(layer) {
+ // Unselect previously selected feature
+ if (selectedLayer) {
+ selectedLayer.setStyle(selectedLayer.originalStyle);
}
- function featureNameHistory(feature) {
- return feature.tags['name:' + $('html').attr('lang')] ||
- feature.tags.name ||
- I18n.t("browse.start_rjs.object_list.history.type." + feature.type, { id: feature.id });
- }
+ // Redraw in selected style
+ layer.originalStyle = layer.options;
+ layer.setStyle({color: '#0000ff', weight: 8});
- function setStatus(status) {
- $("#browse_status").html(status);
- $("#browse_status").show();
- }
+ OSM.route('/browse/' + layer.feature.type + '/' + layer.feature.id);
- function clearStatus() {
- $("#browse_status").html("");
- $("#browse_status").hide();
- }
+ // Stash the currently drawn feature
+ selectedLayer = layer;
}
-});
+}