- }
-
- function loadData(url, reload) {
- setStatus(I18n.t('browse.start_rjs.loading'));
-
- $("#browse_content").empty();
-
- var formatOptions = {
- checkTags: true,
- interestingTagsExclude: ['source','source_ref','source:ref','history','attribution','created_by','tiger:county','tiger:tlid','tiger:upload_uuid']
- };
-
- if (areasHidden) formatOptions.areaTags = [];
-
- if (!browseDataLayer || reload) {
- var style = new OpenLayers.Style();
-
- style.addRules([new OpenLayers.Rule({
- symbolizer: {
- Polygon: { fillColor: '#ff0000', strokeColor: '#ff0000' },
- Line: { fillColor: '#ffff00', strokeColor: '#000000', strokeOpacity: '0.4' },
- Point: { fillColor: '#00ff00', strokeColor: '#00ff00' }
- }
- })]);
-
- if (browseDataLayer) browseDataLayer.destroyFeatures();
-
- /*
- * 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;
-
- /*@cc_on
- if (navigator.appVersion < 8) {
- maxFeatures = 100;
- } else if (navigator.appVersion < 9) {
- maxFeatures = 500;
- }
- @*/
-
- browseDataLayer = new OpenLayers.Layer.Vector("Data", {
- strategies: [
- new OpenLayers.Strategy.Fixed()
- ],
- protocol: new OpenLayers.Protocol.HTTP({
- url: url,
- format: new OpenLayers.Format.OSM(formatOptions),
- maxFeatures: maxFeatures,
- handleRead: customDataLoader
- }),
- projection: new OpenLayers.Projection("EPSG:4326"),
- displayInLayerSwitcher: false,
- styleMap: new OpenLayers.StyleMap({
- 'default': style,
- 'select': { strokeColor: '#0000ff', strokeWidth: 8 }
- })
- });
- browseDataLayer.events.register("loadend", browseDataLayer, dataLoaded );
- map.addLayer(browseDataLayer);
-
- browseSelectControl = new OpenLayers.Control.SelectFeature(browseDataLayer, { onSelect: onFeatureSelect });
- browseSelectControl.handlers.feature.stopDown = false;
- browseSelectControl.handlers.feature.stopUp = false;
- map.addControl(browseSelectControl);
- browseSelectControl.activate();
- } else {
- browseDataLayer.destroyFeatures();
- browseDataLayer.refresh({ url: url });
- }
-
- browseActiveFeature = null;
- }
-
- function dataLoaded() {
- if (this.map.dataLayer.active) {
- clearStatus();
-
- var features = [];
- for (var i = 0; i < this.features.length; i++) {
- var feature = this.features[i];
- features.push({
- typeName: featureTypeName(feature),
- url: "/browse/" + featureType(feature) + "/" + feature.osm_id,
- name: featureName(feature),
- id: feature.id
- });
- }
-
- browseObjectList = $(JST["templates/browse/feature_list"]({
- features: features,
- url: this.protocol.url
- }))[0];
-
- loadObjectList();
- }
- }
-
- function viewFeatureLink() {
- var feature = browseDataLayer.getFeatureById($(this).data("feature-id"));
- var layer = feature.layer;
-
- for (var i = 0; i < layer.selectedFeatures.length; i++) {
- var f = layer.selectedFeatures[i];
- layer.drawFeature(f, layer.styleMap.createSymbolizer(f, "default"));
- }
-
- onFeatureSelect(feature);
-
- if (browseMode != "auto") {
- map.setCenter(feature.geometry.getBounds().getCenterLonLat());
- }
-
- return false;
- }
-
- function loadObjectList() {
- $("#browse_content").html(browseObjectList);
- $("#browse_content").find("a[data-feature-id]").click(viewFeatureLink);
-
- return false;
- }
-
- function onFeatureSelect(feature) {
- // Unselect previously selected feature
- if (browseActiveFeature) {
- browseActiveFeature.layer.drawFeature(
- browseActiveFeature,
- browseActiveFeature.layer.styleMap.createSymbolizer(browseActiveFeature, "default")
- );
- }
-
- // Redraw in selected style
- feature.layer.drawFeature(
- feature, feature.layer.styleMap.createSymbolizer(feature, "select")
- );
-
- // If the current object is the list, don't innerHTML="", since that could clear it.
- if ($("#browse_content").firstChild == browseObjectList) {
- $("#browse_content").removeChild(browseObjectList);
- } else {
- $("#browse_content").empty();
- }
-
- $("#browse_content").html(JST["templates/browse/feature"]({
- name: featureNameSelect(feature),
- url: "/browse/" + featureType(feature) + "/" + feature.osm_id,
- attributes: feature.attributes
- }));
-
- $("#browse_content").find("a.browse_show_list").click(loadObjectList);
- $("#browse_content").find("a.browse_show_history").click(loadHistory);
-
- // Stash the currently drawn feature
- browseActiveFeature = feature;
- }
-
- function loadHistory() {
- $(this).attr("href", "").text(I18n.t('browse.start_rjs.wait'));
-
- var feature = browseActiveFeature;
-
- $.ajax({
- url: "/api/" + OSM.API_VERSION + "/" + featureType(feature) + "/" + feature.osm_id + "/history",
- success: function (xml) {
- if (browseActiveFeature != feature || $("#browse_content").firstChild == browseObjectList) {
- return;
- }
-
- $(this).remove();
-
- var history = [];
- var nodes = xml.getElementsByTagName(featureType(feature));
- 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/" + featureType(feature) + "/" + feature.osm_id,
- history: history
- }));
- }.bind(this)
- });
-
- return false;
- }
-
- function featureType(feature) {
- if (feature.geometry.CLASS_NAME == "OpenLayers.Geometry.Point") {
- return "node";
- } else {
- return "way";
- }
- }
projects / rails.git / blobdiff