+
+ var gml = this.format ? new this.format(options) : new OpenLayers.Format.GML(options);
+
+ browseFeatureList = gml.read(doc);
+
+ if (!this.maxFeatures || browseFeatureList.length <= this.maxFeatures) {
+ loadFeatureList();
+ } else {
+ displayFeatureWarning();
+ }
+ }
+ }
+
+ function getData(bounds) {
+ var projected = bounds.clone().transform(new OpenLayers.Projection("EPSG:900913"), new OpenLayers.Projection("EPSG:4326"));
+ var size = projected.getWidth() * projected.getHeight();
+
+ if (size > 0.25) {
+ setStatus("Unable to load: Bounding box size of " + size + " is too large (must be smaller than 0.25)");
+ } else {
+ loadGML("/api/0.5/map?bbox=" + projected.toBBOX());
+ }
+ }
+
+ function loadGML(url) {
+ setStatus("Loading...");
+ $("browse_content").innerHTML = "";
+
+ if (!browseDataLayer) {
+ 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' }
+ }
+ })]);
+
+ browseDataLayer = new OpenLayers.Layer.GML("Data", url, {
+ format: OpenLayers.Format.OSM,
+ formatOptions: { checkTags: true },
+ maxFeatures: 100,
+ requestSuccess: customDataLoader,
+ 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.handler.stopDown = false;
+ browseSelectControl.handler.stopUp = false;
+ map.addControl(browseSelectControl);
+ browseSelectControl.activate();
+ } else {
+ browseDataLayer.setUrl(url);
+ }
+
+ browseActiveFeature = null;
+ }
+
+ function dataLoaded() {
+ if (browseActive) {
+ clearStatus();
+
+ browseObjectList = document.createElement("div")
+
+ var heading = document.createElement("p");
+ heading.className = "browse_heading";
+ heading.appendChild(document.createTextNode("Object list"));
+ browseObjectList.appendChild(heading);
+
+ var list = document.createElement("ul");
+
+ for (var i = 0; i < this.features.length; i++) {
+ var feature = this.features[i];
+
+ // Type, for linking
+ var type = featureType(feature);
+ var typeName = ucFirst(type);
+ var li = document.createElement("li");
+ li.appendChild(document.createTextNode(typeName + " "));
+
+ // Link, for viewing in the tab
+ var link = document.createElement("a");
+ link.href = "/browse/" + type + "/" + feature.osm_id;
+ var name = feature.attributes.name || feature.osm_id;
+ link.appendChild(document.createTextNode(name));
+ link.feature = feature;
+ link.onclick = OpenLayers.Function.bind(viewFeatureLink, link);
+ li.appendChild(link);
+
+ list.appendChild(li);
+ }
+
+ browseObjectList.appendChild(list)
+
+ var link = document.createElement("a");
+ link.href = this.url;
+ link.appendChild(document.createTextNode("API"));
+ browseObjectList.appendChild(link);
+
+ $("browse_content").innerHTML = "";
+ $("browse_content").appendChild(browseObjectList);
+ }
+ }
+
+ function viewFeatureLink() {
+ var layer = this.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(this.feature);
+
+ if (browseMode != "auto") {
+ map.setCenter(this.feature.geometry.getBounds().getCenterLonLat());
+ }
+
+ return false;
+ }
+
+ function loadObjectList() {
+ $("browse_content").innerHTML="";
+ $("browse_content").appendChild(browseObjectList);
+
+ return false;
+ }
+
+ function onFeatureSelect(feature) {
+ // Unselect previously selected feature
+ if (browseActiveFeature) {
+ browseActiveFeature.layer.drawFeature(
+ browseActiveFeature,
+ browseActiveFeature.layer.styleMap.createSymbolizer(browseActiveFeature, "default")
+ );
+ }
+
+ // Redraw in selected style
+ feature.layer.drawFeature(
+ feature, feature.layer.styleMap.createSymbolizer(feature, "select")
+ );
+
+ // If the current object is the list, don't innerHTML="", since that could clear it.
+ if ($("browse_content").firstChild == browseObjectList) {
+ $("browse_content").removeChild(browseObjectList);
+ } else {
+ $("browse_content").innerHTML = "";
+ }
+
+ // Create a link back to the object list
+ var div = document.createElement("div");
+ div.style.textAlign = "center";
+ div.style.marginBottom = "20px";
+ $("browse_content").appendChild(div);
+ var link = document.createElement("a");
+ link.href = "#";
+ link.onclick = loadObjectList;
+ link.appendChild(document.createTextNode("Display object list"));
+ div.appendChild(link);
+
+ var table = document.createElement("table");
+ table.width = "100%";
+ table.className = "browse_heading";
+ $("browse_content").appendChild(table);
+
+ var tr = document.createElement("tr");
+ table.appendChild(tr);
+
+ var heading = document.createElement("td");
+ heading.appendChild(document.createTextNode(featureName(feature)));
+ tr.appendChild(heading);
+
+ var td = document.createElement("td");
+ td.align = "right";
+ tr.appendChild(td);
+
+ var type = featureType(feature);
+ var link = document.createElement("a");
+ link.href = "/browse/" + type + "/" + feature.osm_id;
+ link.appendChild(document.createTextNode("Details"));
+ td.appendChild(link);
+
+ var div = document.createElement("div");
+ div.className = "browse_details";
+
+ $("browse_content").appendChild(div);
+
+ // Now the list of attributes
+ var ul = document.createElement("ul");
+ for (var key in feature.attributes) {
projects / rails.git / blobdiff