-var browseBoxControl;
-var browseMode = "auto";
-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";
-
function startBrowse(sidebarHtml) {
+ var browseBoxControl;
+ var browseMode = "auto";
+ 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'));
$("#browse_hide_areas_box").html(I18n.t('browse.start_rjs.hide_areas'));
$("#browse_hide_areas_box").show();
$("#browse_hide_areas_box").click(hideAreas);
-}
-function updateData() {
- if (browseMode == "auto") {
- if (map.getZoom() >= 15) {
- useMap(false);
- } else {
- setStatus(I18n.t('browse.start_rjs.zoom_or_select'));
- }
+ function updateData() {
+ if (browseMode == "auto") {
+ if (map.getZoom() >= 15) {
+ useMap(false);
+ } else {
+ setStatus(I18n.t('browse.start_rjs.zoom_or_select'));
+ }
+ }
}
-}
-function stopBrowse() {
- if (map.dataLayer.active) {
- map.dataLayer.active = false;
+ function stopBrowse() {
+ if (map.dataLayer.active) {
+ map.dataLayer.active = false;
- if (browseSelectControl) {
- browseSelectControl.destroy();
- browseSelectControl = null;
- }
+ if (browseSelectControl) {
+ browseSelectControl.destroy();
+ browseSelectControl = null;
+ }
- if (browseBoxControl) {
- browseBoxControl.destroy();
- browseBoxControl = null;
- }
+ if (browseBoxControl) {
+ browseBoxControl.destroy();
+ browseBoxControl = null;
+ }
- if (browseActiveFeature) {
- browseActiveFeature.destroy();
- browseActiveFeature = null;
- }
+ if (browseActiveFeature) {
+ browseActiveFeature.destroy();
+ browseActiveFeature = null;
+ }
- if (browseDataLayer) {
- browseDataLayer.destroy();
- browseDataLayer = null;
- }
+ if (browseDataLayer) {
+ browseDataLayer.destroy();
+ browseDataLayer = null;
+ }
- map.dataLayer.setVisibility(false);
- map.events.unregister("moveend", map, updateData);
- }
-}
+ map.dataLayer.setVisibility(false);
+ map.events.unregister("moveend", map, updateData);
+ }
+ }
-function startDrag() {
- $("#browse_select_box").html(I18n.t('browse.start_rjs.drag_a_box'));
+ function startDrag() {
+ $("#browse_select_box").html(I18n.t('browse.start_rjs.drag_a_box'));
- browseBoxControl.activate();
+ browseBoxControl.activate();
- return false;
-}
+ return false;
+ }
+
+ function useMap(reload) {
+ var bounds = map.getExtent();
+ var projected = bounds.clone().transform(map.getProjectionObject(), epsg4326);
-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));
- 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);
- browseBounds = tileBounds;
- getData(tileBounds, reload);
+ browseMode = "auto";
- browseMode = "auto";
+ $("#browse_select_view").hide();
+ }
- $("#browse_select_view").hide();
+ return false;
}
- 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);
-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;
- areasHidden = true;
+ useMap(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);
-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;
- areasHidden = false;
+ useMap(true);
+ }
- useMap(true);
-}
+ function endDrag(bbox) {
+ var bounds = bbox.getBounds();
+ var projected = bounds.clone().transform(map.getProjectionObject(), epsg4326);
+
+ browseBoxControl.deactivate();
+ browseBounds = projected;
+ getData(bounds);
-function endDrag(bbox) {
- var bounds = bbox.getBounds();
- var projected = bounds.clone().transform(map.getProjectionObject(), epsg4326);
+ browseMode = "manual";
- browseBoxControl.deactivate();
- browseBounds = projected;
- getData(bounds);
+ $("#browse_select_box").html(I18n.t('browse.start_rjs.manually_select'));
+ $("#browse_select_view").show();
+ }
- browseMode = "manual";
+ function displayFeatureWarning(count, limit, callback) {
+ clearStatus();
- $("#browse_select_box").html(I18n.t('browse.start_rjs.manually_select'));
- $("#browse_select_view").show();
-}
+ var div = document.createElement("div");
-function displayFeatureWarning(count, limit, callback) {
- clearStatus();
+ 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 div = document.createElement("div");
+ var input = document.createElement("input");
+ input.type = "submit";
+ input.value = I18n.t('browse.start_rjs.load_data');
+ input.onclick = callback;
+ div.appendChild(input);
- 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);
+ $("#browse_content").html("");
+ $("#browse_content").append(div);
+ }
- var input = document.createElement("input");
- input.type = "submit";
- input.value = I18n.t('browse.start_rjs.load_data');
- input.onclick = callback;
- div.appendChild(input);
+ function customDataLoader(resp, options) {
+ if (map.dataLayer.active) {
+ var request = resp.priv;
+ var doc = request.responseXML;
- $("#browse_content").html("");
- $("#browse_content").append(div);
-}
+ if (!doc || !doc.documentElement) {
+ doc = request.responseText;
+ }
-function customDataLoader(resp, options) {
- if (map.dataLayer.active) {
- var request = resp.priv;
- var doc = request.responseXML;
+ resp.features = this.format.read(doc);
- if (!doc || !doc.documentElement) {
- doc = request.responseText;
+ 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);
+ });
+ }
}
+ }
- resp.features = this.format.read(doc);
+ 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();
- if (!this.maxFeatures || resp.features.length <= this.maxFeatures) {
- options.callback.call(options.scope, resp);
+ 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 {
- displayFeatureWarning(resp.features.length, this.maxFeatures, function () {
- options.callback.call(options.scope, resp);
- });
+ loadData("/api/" + OSM.API_VERSION + "/map?bbox=" + projected.toBBOX(), reload);
}
}
-}
-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 loadData(url, reload) {
+ setStatus(I18n.t('browse.start_rjs.loading'));
- 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);
- }
-}
+ $("#browse_content").empty();
-function loadData(url, reload) {
- setStatus(I18n.t('browse.start_rjs.loading'));
+ 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 });
+ }
- $("#browse_content").empty();
+ browseActiveFeature = null;
+ }
- var formatOptions = {
- checkTags: true,
- interestingTagsExclude: ['source','source_ref','source:ref','history','attribution','created_by','tiger:county','tiger:tlid','tiger:upload_uuid']
- };
+ function dataLoaded() {
+ if (this.map.dataLayer.active) {
+ clearStatus();
- if (areasHidden) formatOptions.areaTags = [];
+ browseObjectList = document.createElement("div");
- if (!browseDataLayer || reload) {
- var style = new OpenLayers.Style();
+ var heading = document.createElement("p");
+ heading.className = "browse_heading";
+ heading.appendChild(document.createTextNode(I18n.t('browse.start_rjs.object_list.heading')));
+ browseObjectList.appendChild(heading);
- 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 });
- }
+ var list = document.createElement("ul");
- browseActiveFeature = null;
-}
+ for (var i = 0; i < this.features.length; i++) {
+ var feature = this.features[i];
-function dataLoaded() {
- if (this.map.dataLayer.active) {
- clearStatus();
+ // Type, for linking
+ var type = featureType(feature);
+ var typeName = featureTypeName(feature);
+ var li = document.createElement("li");
+ li.appendChild(document.createTextNode(typeName + " "));
- browseObjectList = document.createElement("div");
+ // 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);
- var heading = document.createElement("p");
- heading.className = "browse_heading";
- heading.appendChild(document.createTextNode(I18n.t('browse.start_rjs.object_list.heading')));
- browseObjectList.appendChild(heading);
+ list.appendChild(li);
+ }
- var list = document.createElement("ul");
+ browseObjectList.appendChild(list);
- 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);
-
- list.appendChild(li);
+ link.href = this.protocol.url;
+ link.appendChild(document.createTextNode(I18n.t('browse.start_rjs.object_list.api')));
+ browseObjectList.appendChild(link);
+
+ $("#browse_content").html(browseObjectList);
}
+ }
- browseObjectList.appendChild(list);
+ function viewFeatureLink() {
+ var layer = this.feature.layer;
- 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);
+ for (var i = 0; i < layer.selectedFeatures.length; i++) {
+ var f = layer.selectedFeatures[i];
+ layer.drawFeature(f, layer.styleMap.createSymbolizer(f, "default"));
+ }
- $("#browse_content").html(browseObjectList);
- }
-}
-
-function viewFeatureLink() {
- var layer = this.feature.layer;
+ onFeatureSelect(this.feature);
+
+ if (browseMode != "auto") {
+ map.setCenter(this.feature.geometry.getBounds().getCenterLonLat());
+ }
- for (var i = 0; i < layer.selectedFeatures.length; i++) {
- var f = layer.selectedFeatures[i];
- layer.drawFeature(f, layer.styleMap.createSymbolizer(f, "default"));
+ return false;
}
- onFeatureSelect(this.feature);
+ function loadObjectList() {
+ $("#browse_content").empty();
+ $("#browse_content").append(browseObjectList);
- if (browseMode != "auto") {
- map.setCenter(this.feature.geometry.getBounds().getCenterLonLat());
+ return false;
}
- return false;
-}
-
-function loadObjectList() {
- $("#browse_content").empty();
- $("#browse_content").append(browseObjectList);
+ function onFeatureSelect(feature) {
+ // Unselect previously selected feature
+ if (browseActiveFeature) {
+ browseActiveFeature.layer.drawFeature(
+ browseActiveFeature,
+ browseActiveFeature.layer.styleMap.createSymbolizer(browseActiveFeature, "default")
+ );
+ }
- return false;
-}
-
-function onFeatureSelect(feature) {
- // Unselect previously selected feature
- if (browseActiveFeature) {
- browseActiveFeature.layer.drawFeature(
- browseActiveFeature,
- browseActiveFeature.layer.styleMap.createSymbolizer(browseActiveFeature, "default")
+ // Redraw in selected style
+ feature.layer.drawFeature(
+ feature, feature.layer.styleMap.createSymbolizer(feature, "select")
);
- }
- // Redraw in selected style
- feature.layer.drawFeature(
- feature, feature.layer.styleMap.createSymbolizer(feature, "select")
- );
+ // If the current object is the list, don't innerHTML="", since that could clear it.
+ if ($("#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";
+ $("#browse_content").append(div);
+ var link = document.createElement("a");
+ link.href = "#";
+ link.onclick = loadObjectList;
+ link.appendChild(document.createTextNode(I18n.t('browse.start_rjs.object_list.back')));
+ div.appendChild(link);
- // If the current object is the list, don't innerHTML="", since that could clear it.
- if ($("#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
- });
-
- div.appendChild(link);
+ var table = document.createElement("table");
+ table.width = "100%";
+ table.className = "browse_heading";
+ $("#browse_content").append(table);
- // Stash the currently drawn feature
- browseActiveFeature = feature;
-}
+ var tr = document.createElement("tr");
+ table.appendChild(tr);
-function loadHistory() {
- this.link.href = "";
- this.link.innerHTML = I18n.t('browse.start_rjs.wait');
+ var heading = document.createElement("td");
+ heading.appendChild(document.createTextNode(featureNameSelect(feature)));
+ tr.appendChild(heading);
- $.ajax("/api/" + OSM.API_VERSION + "/" + this.type + "/" + this.feature.osm_id + "/history", {
- complete: OpenLayers.Function.bind(displayHistory, this)
- });
+ var td = document.createElement("td");
+ td.align = "right";
+ tr.appendChild(td);
- return false;
-}
+ 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);
-function displayHistory(request) {
- if (browseActiveFeature.osm_id != this.feature.osm_id || $("#browse_content").firstChild == browseObjectList) {
- return false;
- }
+ 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
+ });
- this.link.parentNode.removeChild(this.link);
+ div.appendChild(link);
+
+ // Stash the currently drawn feature
+ browseActiveFeature = feature;
+ }
- var doc = request.responseXML;
+ function loadHistory() {
+ this.link.href = "";
+ this.link.innerHTML = I18n.t('browse.start_rjs.wait');
- var table = document.createElement("table");
- table.width = "100%";
- table.className = "browse_heading";
- $("#browse_content").append(table);
+ $.ajax("/api/" + OSM.API_VERSION + "/" + this.type + "/" + this.feature.osm_id + "/history", {
+ complete: OpenLayers.Function.bind(displayHistory, this)
+ });
- var tr = document.createElement("tr");
- table.appendChild(tr);
+ return false;
+ }
- var heading = document.createElement("td");
- heading.appendChild(document.createTextNode(I18n.t("browse.start_rjs.history_for_feature", { feature: featureNameHistory(this.feature) })));
- tr.appendChild(heading);
+ function displayHistory(request) {
+ if (browseActiveFeature.osm_id != this.feature.osm_id || $("#browse_content").firstChild == browseObjectList) {
+ return false;
+ }
- var td = document.createElement("td");
- td.align = "right";
- tr.appendChild(td);
+ this.link.parentNode.removeChild(this.link);
- 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 doc = request.responseXML;
- var div = document.createElement("div");
- div.className = "browse_details";
+ var table = document.createElement("table");
+ table.width = "100%";
+ table.className = "browse_heading";
+ $("#browse_content").append(table);
- 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);
+ 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);
}
- div.appendChild(history);
- $("#browse_content").append(div);
-}
+ function featureType(feature) {
+ if (feature.geometry.CLASS_NAME == "OpenLayers.Geometry.Point") {
+ return "node";
+ } else {
+ return "way";
+ }
+ }
-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 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 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 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 });
+ }
}
-}
-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 });
+ function setStatus(status) {
+ $("#browse_status").html(status);
+ $("#browse_status").show();
}
-}
-function setStatus(status) {
- $("#browse_status").html(status);
- $("#browse_status").show();
-}
-
-function clearStatus() {
- $("#browse_status").html("");
- $("#browse_status").hide();
+ function clearStatus() {
+ $("#browse_status").html("");
+ $("#browse_status").hide();
+ }
}
-var vectors;
-var box;
-var transform;
-var markerLayer;
-var markerControl;
-
function startExport(sidebarHtml) {
+ var vectors;
+ var box;
+ var transform;
+ var markerLayer;
+ var markerControl;
+
vectors = new OpenLayers.Layer.Vector("Vector Layer", {
displayInLayerSwitcher: false
});
$("#viewanchor").removeClass("active");
$("#exportanchor").addClass("active");
-}
-function stopExport() {
- $("#viewanchor").addClass("active");
- $("#exportanchor").removeClass("active");
+ function stopExport() {
+ $("#viewanchor").addClass("active");
+ $("#exportanchor").removeClass("active");
- clearBox();
- clearMarker();
- map.events.unregister("moveend", map, mapMoved);
- map.events.unregister("changebaselayer", map, htmlUrlChanged);
- map.removeLayer(vectors);
-}
-
-function boundsChanged() {
- var epsg4326 = new OpenLayers.Projection("EPSG:4326");
- var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(),
- $("#maxlon").val(), $("#maxlat").val());
+ clearBox();
+ clearMarker();
+ map.events.unregister("moveend", map, mapMoved);
+ map.events.unregister("changebaselayer", map, htmlUrlChanged);
+ map.removeLayer(vectors);
+ }
- bounds.transform(epsg4326, map.getProjectionObject());
+ function boundsChanged() {
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(),
+ $("#maxlon").val(), $("#maxlat").val());
- map.events.unregister("moveend", map, mapMoved);
- map.zoomToExtent(bounds);
+ bounds.transform(epsg4326, map.getProjectionObject());
- clearBox();
- drawBox(bounds);
+ map.events.unregister("moveend", map, mapMoved);
+ map.zoomToExtent(bounds);
- validateControls();
- mapnikSizeChanged();
-}
+ clearBox();
+ drawBox(bounds);
-function startDrag() {
- $("#drag_box").html(I18n.t('export.start_rjs.drag_a_box'));
+ validateControls();
+ mapnikSizeChanged();
+ }
- clearBox();
- box.activate();
-};
+ function startDrag() {
+ $("#drag_box").html(I18n.t('export.start_rjs.drag_a_box'));
-function endDrag(bbox) {
- var bounds = bbox.getBounds();
+ clearBox();
+ box.activate();
+ };
- map.events.unregister("moveend", map, mapMoved);
- setBounds(bounds);
- drawBox(bounds);
- box.deactivate();
- validateControls();
+ function endDrag(bbox) {
+ var bounds = bbox.getBounds();
- $("#drag_box").html(I18n.t('export.start_rjs.manually_select'));
-}
+ map.events.unregister("moveend", map, mapMoved);
+ setBounds(bounds);
+ drawBox(bounds);
+ box.deactivate();
+ validateControls();
-function transformComplete(event) {
- setBounds(event.feature.geometry.bounds);
- validateControls();
-}
+ $("#drag_box").html(I18n.t('export.start_rjs.manually_select'));
+ }
-function startMarker() {
- $("#add_marker").html(I18n.t('export.start_rjs.click_add_marker'));
-
- if (!markerLayer) {
- markerLayer = new OpenLayers.Layer.Vector("",{
- displayInLayerSwitcher: false,
- style: {
- externalGraphic: OpenLayers.Util.getImageLocation("marker.png"),
- graphicXOffset: -10.5,
- graphicYOffset: -25,
- graphicWidth: 21,
- graphicHeight: 25
- }
- });
- map.addLayer(markerLayer);
-
- markerControl = new OpenLayers.Control.DrawFeature(markerLayer, OpenLayers.Handler.Point);
- map.addControl(markerControl);
-
- markerLayer.events.on({ "featureadded": endMarker });
+ function transformComplete(event) {
+ setBounds(event.feature.geometry.bounds);
+ validateControls();
}
- markerLayer.destroyFeatures();
- markerControl.activate();
+ function startMarker() {
+ $("#add_marker").html(I18n.t('export.start_rjs.click_add_marker'));
+
+ if (!markerLayer) {
+ markerLayer = new OpenLayers.Layer.Vector("",{
+ displayInLayerSwitcher: false,
+ style: {
+ externalGraphic: OpenLayers.Util.getImageLocation("marker.png"),
+ graphicXOffset: -10.5,
+ graphicYOffset: -25,
+ graphicWidth: 21,
+ graphicHeight: 25
+ }
+ });
+ map.addLayer(markerLayer);
+
+ markerControl = new OpenLayers.Control.DrawFeature(markerLayer, OpenLayers.Handler.Point);
+ map.addControl(markerControl);
+
+ markerLayer.events.on({ "featureadded": endMarker });
+ }
- return false;
-}
+ markerLayer.destroyFeatures();
+ markerControl.activate();
-function endMarker(event) {
- markerControl.deactivate();
+ return false;
+ }
- $("#add_marker").html(I18n.t('export.start_rjs.change_marker'));
- $("#marker_inputs").show();
+ function endMarker(event) {
+ markerControl.deactivate();
- var epsg4326 = new OpenLayers.Projection("EPSG:4326");
- var epsg900913 = new OpenLayers.Projection("EPSG:900913");
- var geom = event.feature.geometry.clone().transform(epsg900913, epsg4326);
+ $("#add_marker").html(I18n.t('export.start_rjs.change_marker'));
+ $("#marker_inputs").show();
- $("#marker_lon").val(geom.x.toFixed(5));
- $("#marker_lat").val(geom.y.toFixed(5));
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var epsg900913 = new OpenLayers.Projection("EPSG:900913");
+ var geom = event.feature.geometry.clone().transform(epsg900913, epsg4326);
- htmlUrlChanged();
-}
+ $("#marker_lon").val(geom.x.toFixed(5));
+ $("#marker_lat").val(geom.y.toFixed(5));
-function clearMarker() {
- $("#marker_lon").val("");
- $("#marker_lat").val("");
- $("#marker_inputs").hide();
- $("#add_marker").html(I18n.t('export.start_rjs.add_marker'));
-
- if (markerLayer) {
- markerControl.destroy();
- markerLayer.destroy();
- markerLayer = null;
- markerControl = null;
+ htmlUrlChanged();
}
-}
-function mapMoved() {
- setBounds(map.getExtent());
- validateControls();
-}
-
-function setBounds(bounds) {
- var epsg4326 = new OpenLayers.Projection("EPSG:4326");
- var decimals = Math.pow(10, Math.floor(map.getZoom() / 3));
+ function clearMarker() {
+ $("#marker_lon").val("");
+ $("#marker_lat").val("");
+ $("#marker_inputs").hide();
+ $("#add_marker").html(I18n.t('export.start_rjs.add_marker'));
+
+ if (markerLayer) {
+ markerControl.destroy();
+ markerLayer.destroy();
+ markerLayer = null;
+ markerControl = null;
+ }
+ }
- bounds = bounds.clone().transform(map.getProjectionObject(), epsg4326);
+ function mapMoved() {
+ setBounds(map.getExtent());
+ validateControls();
+ }
- $("#minlon").val(Math.round(bounds.left * decimals) / decimals);
- $("#minlat").val(Math.round(bounds.bottom * decimals) / decimals);
- $("#maxlon").val(Math.round(bounds.right * decimals) / decimals);
- $("#maxlat").val(Math.round(bounds.top * decimals) / decimals);
+ function setBounds(bounds) {
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var decimals = Math.pow(10, Math.floor(map.getZoom() / 3));
- mapnikSizeChanged();
- htmlUrlChanged();
-}
+ bounds = bounds.clone().transform(map.getProjectionObject(), epsg4326);
-function clearBox() {
- transform.deactivate();
- vectors.destroyFeatures();
-}
+ $("#minlon").val(Math.round(bounds.left * decimals) / decimals);
+ $("#minlat").val(Math.round(bounds.bottom * decimals) / decimals);
+ $("#maxlon").val(Math.round(bounds.right * decimals) / decimals);
+ $("#maxlat").val(Math.round(bounds.top * decimals) / decimals);
-function drawBox(bounds) {
- var feature = new OpenLayers.Feature.Vector(bounds.toGeometry());
+ mapnikSizeChanged();
+ htmlUrlChanged();
+ }
- vectors.addFeatures(feature);
- transform.setFeature(feature);
-}
+ function clearBox() {
+ transform.deactivate();
+ vectors.destroyFeatures();
+ }
-function validateControls() {
- var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
+ function drawBox(bounds) {
+ var feature = new OpenLayers.Feature.Vector(bounds.toGeometry());
- if (bounds.getWidth() * bounds.getHeight() > OSM.MAX_REQUEST_AREA) {
- $("#export_osm_too_large").show();
- } else {
- $("#export_osm_too_large").hide();
+ vectors.addFeatures(feature);
+ transform.setFeature(feature);
}
- var max_scale = maxMapnikScale();
- var disabled = true;
+ function validateControls() {
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
- if ($("#format_osm").prop("checked")) {
- disabled = bounds.getWidth() * bounds.getHeight() > OSM.MAX_REQUEST_AREA;
- } else if ($("#format_mapnik").prop("checked")) {
- disabled = $("#mapnik_scale").val() < max_scale;
- }
+ if (bounds.getWidth() * bounds.getHeight() > OSM.MAX_REQUEST_AREA) {
+ $("#export_osm_too_large").show();
+ } else {
+ $("#export_osm_too_large").hide();
+ }
- $("#export_commit").prop("disabled", disabled);
- $("#mapnik_max_scale").html(roundScale(max_scale));
-}
+ var max_scale = maxMapnikScale();
+ var disabled = true;
-function htmlUrlChanged() {
- var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
- var layerName = map.baseLayer.keyid;
- var url = "http://" + OSM.SERVER_URL + "/export/embed.html?bbox=" + bounds.toBBOX() + "&layer=" + layerName;
- var markerUrl = "";
+ if ($("#format_osm").prop("checked")) {
+ disabled = bounds.getWidth() * bounds.getHeight() > OSM.MAX_REQUEST_AREA;
+ } else if ($("#format_mapnik").prop("checked")) {
+ disabled = $("#mapnik_scale").val() < max_scale;
+ }
- if ($("#marker_lat").val() && $("#marker_lon").val()) {
- markerUrl = "&mlat=" + $("#marker_lat").val() + "&mlon=" + $("#marker_lon").val();
- url += "&marker=" + $("#marker_lat").val() + "," + $("#marker_lon").val();
+ $("#export_commit").prop("disabled", disabled);
+ $("#mapnik_max_scale").html(roundScale(max_scale));
}
- var html = '<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="'+url+'" style="border: 1px solid black"></iframe>';
+ function htmlUrlChanged() {
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
+ var layerName = map.baseLayer.keyid;
+ var url = "http://" + OSM.SERVER_URL + "/export/embed.html?bbox=" + bounds.toBBOX() + "&layer=" + layerName;
+ var markerUrl = "";
- // Create "larger map" link
- var center = bounds.getCenterLonLat();
- var epsg4326 = new OpenLayers.Projection("EPSG:4326");
- var epsg900913 = new OpenLayers.Projection("EPSG:900913");
+ if ($("#marker_lat").val() && $("#marker_lon").val()) {
+ markerUrl = "&mlat=" + $("#marker_lat").val() + "&mlon=" + $("#marker_lon").val();
+ url += "&marker=" + $("#marker_lat").val() + "," + $("#marker_lon").val();
+ }
- bounds.transform(epsg4326, epsg900913);
- var zoom = map.getZoomForExtent(bounds);
+ var html = '<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="'+url+'" style="border: 1px solid black"></iframe>';
- var layers = getMapLayers();
+ // Create "larger map" link
+ var center = bounds.getCenterLonLat();
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var epsg900913 = new OpenLayers.Projection("EPSG:900913");
- var text = I18n.t('export.start_rjs.view_larger_map');
- var escaped = [];
+ bounds.transform(epsg4326, epsg900913);
+ var zoom = map.getZoomForExtent(bounds);
- for (var i = 0; i < text.length; ++i) {
- var c = text.charCodeAt(i);
- escaped.push(c < 127 ? text.charAt(i) : "&#" + c + ";");
- }
+ var layers = getMapLayers();
- html += '<br /><small><a href="http://' + OSM.SERVER_URL + '/?lat='+center.lat+'&lon='+center.lon+'&zoom='+zoom+'&layers='+layers+markerUrl+'">'+escaped.join("")+'</a></small>';
+ var text = I18n.t('export.start_rjs.view_larger_map');
+ var escaped = [];
- $("#export_html_text").val(html);
+ for (var i = 0; i < text.length; ++i) {
+ var c = text.charCodeAt(i);
+ escaped.push(c < 127 ? text.charAt(i) : "&#" + c + ";");
+ }
- if ($("#format_html").prop("checked")) {
- $("#export_html_text").prop("selected", true);
- }
-}
+ html += '<br /><small><a href="http://' + OSM.SERVER_URL + '/?lat='+center.lat+'&lon='+center.lon+'&zoom='+zoom+'&layers='+layers+markerUrl+'">'+escaped.join("")+'</a></small>';
-function formatChanged() {
- $("#export_commit").show();
+ $("#export_html_text").val(html);
- if ($("#format_osm").prop("checked")) {
- $("#export_osm").show();
- } else {
- $("#export_osm").hide();
+ if ($("#format_html").prop("checked")) {
+ $("#export_html_text").prop("selected", true);
+ }
}
- if ($("#format_mapnik").prop("checked")) {
- $("#mapnik_scale").val(roundScale(map.getScale()));
- $("#export_mapnik").show();
- } else {
- $("#export_mapnik").hide();
- }
+ function formatChanged() {
+ $("#export_commit").show();
- if ($("#format_html").prop("checked")) {
- $("#export_html").show();
- $("#export_commit").hide();
- $("#export_html_text").prop("selected", true);
- } else {
- $("#export_html").hide();
+ if ($("#format_osm").prop("checked")) {
+ $("#export_osm").show();
+ } else {
+ $("#export_osm").hide();
+ }
- clearMarker();
- }
+ if ($("#format_mapnik").prop("checked")) {
+ $("#mapnik_scale").val(roundScale(map.getScale()));
+ $("#export_mapnik").show();
+ } else {
+ $("#export_mapnik").hide();
+ }
- validateControls();
-}
+ if ($("#format_html").prop("checked")) {
+ $("#export_html").show();
+ $("#export_commit").hide();
+ $("#export_html_text").prop("selected", true);
+ } else {
+ $("#export_html").hide();
-function maxMapnikScale() {
- var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
- var epsg4326 = new OpenLayers.Projection("EPSG:4326");
- var epsg900913 = new OpenLayers.Projection("EPSG:900913");
+ clearMarker();
+ }
- bounds.transform(epsg4326, epsg900913);
+ validateControls();
+ }
- return Math.floor(Math.sqrt(bounds.getWidth() * bounds.getHeight() / 0.3136));
-}
+ function maxMapnikScale() {
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var epsg900913 = new OpenLayers.Projection("EPSG:900913");
-function mapnikImageSize(scale) {
- var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
- var epsg4326 = new OpenLayers.Projection("EPSG:4326");
- var epsg900913 = new OpenLayers.Projection("EPSG:900913");
+ bounds.transform(epsg4326, epsg900913);
- bounds.transform(epsg4326, epsg900913);
+ return Math.floor(Math.sqrt(bounds.getWidth() * bounds.getHeight() / 0.3136));
+ }
- return new OpenLayers.Size(Math.round(bounds.getWidth() / scale / 0.00028),
- Math.round(bounds.getHeight() / scale / 0.00028));
-}
+ function mapnikImageSize(scale) {
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var epsg900913 = new OpenLayers.Projection("EPSG:900913");
-function roundScale(scale) {
- var precision = 5 * Math.pow(10, Math.floor(Math.LOG10E * Math.log(scale)) - 2);
+ bounds.transform(epsg4326, epsg900913);
- return precision * Math.ceil(scale / precision);
-}
+ return new OpenLayers.Size(Math.round(bounds.getWidth() / scale / 0.00028),
+ Math.round(bounds.getHeight() / scale / 0.00028));
+ }
+
+ function roundScale(scale) {
+ var precision = 5 * Math.pow(10, Math.floor(Math.LOG10E * Math.log(scale)) - 2);
-function mapnikSizeChanged() {
- var size = mapnikImageSize($("#mapnik_scale").val());
+ return precision * Math.ceil(scale / precision);
+ }
+
+ function mapnikSizeChanged() {
+ var size = mapnikImageSize($("#mapnik_scale").val());
- $("#mapnik_image_width").html(size.w);
- $("#mapnik_image_height").html(size.h);
+ $("#mapnik_image_width").html(size.w);
+ $("#mapnik_image_height").html(size.h);
- validateControls();
+ validateControls();
+ }
}