-function startBrowse(sidebarHtml) {
- var browseBoxControl;
- var browseMode = "auto";
+function initializeBrowse(map) {
var browseBounds;
- var browseFeatureList;
- var browseActiveFeature;
- var browseDataLayer;
- var browseSelectControl;
- var browseObjectList;
- var areasHidden = false;
-
- OpenLayers.Feature.Vector.style['default'].strokeWidth = 3;
- OpenLayers.Feature.Vector.style['default'].cursor = "pointer";
-
- map.dataLayer.active = true;
-
- $("#sidebar_title").html(I18n.t('browse.start_rjs.data_frame_title'));
- $("#sidebar_content").html(sidebarHtml);
-
- openSidebar();
-
- var vectors = new OpenLayers.Layer.Vector();
-
- browseBoxControl = new OpenLayers.Control.DrawFeature(vectors, OpenLayers.Handler.RegularPolygon, {
- handlerOptions: {
- sides: 4,
- snapAngle: 90,
- irregular: true,
- persist: true
+ var selectedLayer;
+ var dataLayer = map.dataLayer;
+
+ dataLayer.setStyle({
+ way: {
+ weight: 3,
+ color: "#000000",
+ opacity: 0.4
+ },
+ area: {
+ weight: 3,
+ color: "#ff0000"
+ },
+ node: {
+ color: "#00ff00"
}
});
- browseBoxControl.handler.callbacks.done = endDrag;
- map.addControl(browseBoxControl);
- map.events.register("moveend", map, updateData);
- map.events.triggerEvent("moveend");
-
- $("#browse_select_view").click(useMap);
-
- $("#browse_select_box").click(startDrag);
+ dataLayer.isWayArea = function () {
+ return false;
+ };
- $("#browse_hide_areas_box").html(I18n.t('browse.start_rjs.hide_areas'));
- $("#browse_hide_areas_box").show();
- $("#browse_hide_areas_box").click(hideAreas);
+ dataLayer.on("click", function (e) {
+ onSelect(e.layer);
+ });
- function updateData() {
- if (browseMode == "auto") {
- if (map.getZoom() >= 15) {
- useMap(false);
- } 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 () {
- if (map.dataLayer.active) {
- map.dataLayer.active = false;
-
- if (browseSelectControl) {
- browseSelectControl.destroy();
- browseSelectControl = null;
- }
-
- if (browseBoxControl) {
- browseBoxControl.destroy();
- browseBoxControl = null;
- }
-
- if (browseActiveFeature) {
- browseActiveFeature.destroy();
- browseActiveFeature = null;
- }
-
- if (browseDataLayer) {
- browseDataLayer.destroy();
- browseDataLayer = null;
- }
+ });
- map.dataLayer.setVisibility(false);
- map.events.unregister("moveend", map, updateData);
+ map.on('layerremove', function (e) {
+ if (e.layer === dataLayer) {
+ map.off("moveend", updateData);
+ clearStatus();
}
});
- function startDrag() {
- $("#browse_select_box").html(I18n.t('browse.start_rjs.drag_a_box'));
-
- browseBoxControl.activate();
-
- return false;
- }
-
- function useMap(reload) {
- var bounds = map.getExtent();
- var projected = bounds.clone().transform(map.getProjectionObject(), epsg4326);
-
- if (!browseBounds || !browseBounds.containsBounds(projected)) {
- var center = bounds.getCenterLonLat();
- var tileWidth = bounds.getWidth() * 1.2;
- var tileHeight = bounds.getHeight() * 1.2;
- var tileBounds = new OpenLayers.Bounds(center.lon - (tileWidth / 2),
- center.lat - (tileHeight / 2),
- center.lon + (tileWidth / 2),
- center.lat + (tileHeight / 2));
-
- browseBounds = tileBounds;
- getData(tileBounds, reload);
-
- browseMode = "auto";
-
- $("#browse_select_view").hide();
+ function updateData() {
+ if (map.getZoom() >= 15) {
+ var bounds = map.getBounds();
+ if (!browseBounds || !browseBounds.contains(bounds)) {
+ browseBounds = bounds;
+ getData();
+ }
}
-
- return false;
- }
-
- function hideAreas() {
- $("#browse_hide_areas_box").html(I18n.t('browse.start_rjs.show_areas'));
- $("#browse_hide_areas_box").show();
- $("#browse_hide_areas_box").click(showAreas);
-
- areasHidden = true;
-
- useMap(true);
- }
-
- function showAreas() {
- $("#browse_hide_areas_box").html(I18n.t('browse.start_rjs.hide_areas'));
- $("#browse_hide_areas_box").show();
- $("#browse_hide_areas_box").click(hideAreas);
-
- areasHidden = false;
-
- useMap(true);
- }
-
- function endDrag(bbox) {
- var bounds = bbox.getBounds();
- var projected = bounds.clone().transform(map.getProjectionObject(), epsg4326);
-
- browseBoxControl.deactivate();
- browseBounds = projected;
- getData(bounds);
-
- browseMode = "manual";
-
- $("#browse_select_box").html(I18n.t('browse.start_rjs.manually_select'));
- $("#browse_select_view").show();
}
function displayFeatureWarning(count, limit, callback) {
clearStatus();
- var div = document.createElement("div");
-
- 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);
-
- var input = document.createElement("input");
- input.type = "submit";
- input.value = I18n.t('browse.start_rjs.load_data');
- input.onclick = callback;
- div.appendChild(input);
-
- $("#browse_content").html("");
- $("#browse_content").append(div);
+ $('#browse_status').append(
+ $("<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 customDataLoader(resp, options) {
- if (map.dataLayer.active) {
- var request = resp.priv;
- var doc = request.responseXML;
-
- if (!doc || !doc.documentElement) {
- doc = request.responseText;
- }
-
- resp.features = this.format.read(doc);
+ var dataLoader;
- if (!this.maxFeatures || resp.features.length <= this.maxFeatures) {
- options.callback.call(options.scope, resp);
- } else {
- displayFeatureWarning(resp.features.length, this.maxFeatures, function () {
- options.callback.call(options.scope, resp);
- });
- }
- }
- }
-
- function getData(bounds, reload) {
- var projected = bounds.clone().transform(new OpenLayers.Projection("EPSG:900913"), new OpenLayers.Projection("EPSG:4326"));
- var size = projected.getWidth() * projected.getHeight();
+ function getData() {
+ var bounds = map.getBounds();
+ var size = bounds.getSize();
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 }));
- } else {
- loadData("/api/" + OSM.API_VERSION + "/map?bbox=" + projected.toBBOX(), reload);
+ return;
}
- }
- function loadData(url, reload) {
setStatus(I18n.t('browse.start_rjs.loading'));
- $("#browse_content").empty();
+ var url = "/api/" + OSM.API_VERSION + "/map?bbox=" + bounds.toBBoxString();
- var formatOptions = {
- checkTags: true,
- interestingTagsExclude: ['source','source_ref','source:ref','history','attribution','created_by','tiger:county','tiger:tlid','tiger:upload_uuid']
- };
+ /*
+ * 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 (areasHidden) formatOptions.areaTags = [];
-
- if (!browseDataLayer || reload) {
- var style = new OpenLayers.Style();
+ /*@cc_on
+ if (navigator.appVersion < 8) {
+ maxFeatures = 100;
+ } else if (navigator.appVersion < 9) {
+ maxFeatures = 500;
+ }
+ @*/
- 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 (dataLoader) dataLoader.abort();
- if (browseDataLayer) browseDataLayer.destroyFeatures();
+ 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() {
+ clearStatus();
+ dataLayer.addData(features);
}
- @*/
-
- 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();
-
- browseObjectList = document.createElement("div");
-
- var heading = document.createElement("p");
- heading.className = "browse_heading";
- heading.appendChild(document.createTextNode(I18n.t('browse.start_rjs.object_list.heading')));
- 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 = featureTypeName(feature);
- 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 = featureName(feature);
- link.appendChild(document.createTextNode(name));
- link.feature = feature;
- link.onclick = OpenLayers.Function.bind(viewFeatureLink, link);
- li.appendChild(link);
+ if (features.length < maxFeatures) {
+ addFeatures();
+ } else {
+ displayFeatureWarning(features.length, maxFeatures, addFeatures);
+ }
- list.appendChild(li);
+ dataLoader = null;
}
-
- browseObjectList.appendChild(list);
-
- var link = document.createElement("a");
- link.href = this.protocol.url;
- link.appendChild(document.createTextNode(I18n.t('browse.start_rjs.object_list.api')));
- browseObjectList.appendChild(link);
-
- $("#browse_content").html(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").empty();
- $("#browse_content").append(browseObjectList);
-
- return false;
+ });
}
- function onFeatureSelect(feature) {
+ function onSelect(layer) {
// Unselect previously selected feature
- if (browseActiveFeature) {
- browseActiveFeature.layer.drawFeature(
- browseActiveFeature,
- browseActiveFeature.layer.styleMap.createSymbolizer(browseActiveFeature, "default")
- );
+ if (selectedLayer) {
+ selectedLayer.setStyle(selectedLayer.originalStyle);
}
// Redraw in selected style
- feature.layer.drawFeature(
- feature, feature.layer.styleMap.createSymbolizer(feature, "select")
- );
-
- // If the current object is the list, don't innerHTML="", since that could clear it.
- if ($("#browse_content").firstChild == browseObjectList) {
- $("#browse_content").removeChild(browseObjectList);
- } else {
- $("#browse_content").empty();
- }
-
- // Create a link back to the object list
- var div = document.createElement("div");
- div.style.textAlign = "center";
- div.style.marginBottom = "20px";
- $("#browse_content").append(div);
- var link = document.createElement("a");
- link.href = "#";
- link.onclick = loadObjectList;
- link.appendChild(document.createTextNode(I18n.t('browse.start_rjs.object_list.back')));
- div.appendChild(link);
-
- var table = document.createElement("table");
- table.width = "100%";
- table.className = "browse_heading";
- $("#browse_content").append(table);
-
- var tr = document.createElement("tr");
- table.appendChild(tr);
-
- var heading = document.createElement("td");
- heading.appendChild(document.createTextNode(featureNameSelect(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(I18n.t('browse.start_rjs.object_list.details')));
- td.appendChild(link);
-
- var div = document.createElement("div");
- div.className = "browse_details";
-
- $("#browse_content").append(div);
-
- // Now the list of attributes
- var ul = document.createElement("ul");
- for (var key in feature.attributes) {
- var li = document.createElement("li");
- var b = document.createElement("b");
- b.appendChild(document.createTextNode(key));
- li.appendChild(b);
- li.appendChild(document.createTextNode(": " + feature.attributes[key]));
- ul.appendChild(li);
- }
-
- div.appendChild(ul);
-
- var link = document.createElement("a");
- link.href = "/browse/" + type + "/" + feature.osm_id + "/history";
- link.appendChild(document.createTextNode(I18n.t('browse.start_rjs.show_history')));
- link.onclick = OpenLayers.Function.bind(loadHistory, {
- type: type, feature: feature, link: link
- });
+ layer.originalStyle = layer.options;
+ layer.setStyle({color: '#0000ff', weight: 8});
- div.appendChild(link);
+ OSM.route('/browse/' + layer.feature.type + '/' + layer.feature.id);
// Stash the currently drawn feature
- browseActiveFeature = feature;
- }
-
- function loadHistory() {
- this.link.href = "";
- this.link.innerHTML = I18n.t('browse.start_rjs.wait');
-
- $.ajax("/api/" + OSM.API_VERSION + "/" + this.type + "/" + this.feature.osm_id + "/history", {
- complete: OpenLayers.Function.bind(displayHistory, this)
- });
-
- return false;
- }
-
- function displayHistory(request) {
- if (browseActiveFeature.osm_id != this.feature.osm_id || $("#browse_content").firstChild == browseObjectList) {
- return false;
- }
-
- this.link.parentNode.removeChild(this.link);
-
- var doc = request.responseXML;
-
- var table = document.createElement("table");
- table.width = "100%";
- table.className = "browse_heading";
- $("#browse_content").append(table);
-
- var tr = document.createElement("tr");
- table.appendChild(tr);
-
- var heading = document.createElement("td");
- heading.appendChild(document.createTextNode(I18n.t("browse.start_rjs.history_for_feature", { feature: featureNameHistory(this.feature) })));
- tr.appendChild(heading);
-
- var td = document.createElement("td");
- td.align = "right";
- tr.appendChild(td);
-
- var link = document.createElement("a");
- link.href = "/browse/" + this.type + "/" + this.feature.osm_id + "/history";
- link.appendChild(document.createTextNode(I18n.t('browse.start_rjs.details')));
- td.appendChild(link);
-
- var div = document.createElement("div");
- div.className = "browse_details";
-
- var nodes = doc.getElementsByTagName(this.type);
- var history = document.createElement("ul");
- for (var i = nodes.length - 1; i >= 0; i--) {
- var user = nodes[i].getAttribute("user") || I18n.t('browse.start_rjs.private_user');
- var timestamp = nodes[i].getAttribute("timestamp");
- var item = document.createElement("li");
- item.appendChild(document.createTextNode(I18n.t("browse.start_rjs.edited_by_user_at_timestamp", { user: user, timestamp: timestamp })));
- history.appendChild(item);
- }
- div.appendChild(history);
-
- $("#browse_content").append(div);
- }
-
- function featureType(feature) {
- if (feature.geometry.CLASS_NAME == "OpenLayers.Geometry.Point") {
- return "node";
- } else {
- return "way";
- }
- }
-
- function featureTypeName(feature) {
- if (featureType(feature) == "node") {
- return I18n.t('browse.start_rjs.object_list.type.node');
- } else if (featureType(feature) == "way") {
- return I18n.t('browse.start_rjs.object_list.type.way');
- }
- }
-
- function featureName(feature) {
- var lang = $('html').attr('lang');
- if (feature.attributes['name:' + lang]) {
- return feature.attributes['name:' + lang];
- } else if (feature.attributes.name) {
- return feature.attributes.name;
- } else {
- return feature.osm_id;
- }
- }
-
- function featureNameSelect(feature) {
- var lang = $('html').attr('lang');
- if (feature.attributes['name:' + lang]) {
- return feature.attributes['name:' + lang];
- } else if (feature.attributes.name) {
- return feature.attributes.name;
- } else if (featureType(feature) == "node") {
- return I18n.t("browse.start_rjs.object_list.selected.type.node", { id: feature.osm_id });
- } else if (featureType(feature) == "way") {
- return I18n.t("browse.start_rjs.object_list.selected.type.way", { id: feature.osm_id });
- }
- }
-
- function featureNameHistory(feature) {
- var lang = $('html').attr('lang');
- if (feature.attributes['name:' + lang]) {
- return feature.attributes['name:' + lang];
- } else if (feature.attributes.name) {
- return feature.attributes.name;
- } else if (featureType(feature) == "node") {
- return I18n.t("browse.start_rjs.object_list.history.type.node", { id: feature.osm_id });
- } else if (featureType(feature) == "way") {
- return I18n.t("browse.start_rjs.object_list.history.type.way", { id: feature.osm_id });
- }
+ selectedLayer = layer;
}
function setStatus(status) {
- $("#browse_status").html(status);
- $("#browse_status").show();
+ if($('#browse_status').is(':empty')) {
+ $('#browse_status').append($('<p></p>').text(status));
+ }
}
function clearStatus() {
- $("#browse_status").html("");
- $("#browse_status").hide();
+ $('#browse_status').empty();
}
}
projects / rails.git / blobdiff