X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/a5509e31726767defd614ca8abd8bc221414e67c..832b96b75ac05177e6baad7b414066ccfd7cfa51:/app/views/browse/start.rjs diff --git a/app/views/browse/start.rjs b/app/views/browse/start.rjs index e8bbb1720..b96e8c39c 100644 --- a/app/views/browse/start.rjs +++ b/app/views/browse/start.rjs @@ -1,185 +1,546 @@ -page.replace_html :sidebar_title, 'Browse' +page.replace_html :sidebar_title, t('browse.start_rjs.data_frame_title') page.replace_html :sidebar_content, :partial => 'start' page << <API)"; - - obj_list = document.createElement("ul"); - for (var i = 0; i < this.features.length; i++) { - var feature = this.features[i]; - var type ="way"; - if (feature.geometry.CLASS_NAME == "OpenLayers.Geometry.Point") { - type = "node"; - } - var nice_name = type.substr(0,1).toUpperCase() + type.substr(1,type.length); - var li = document.createElement("li"); - li.appendChild(document.createTextNode(nice_name + " ")); - 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)); - li.appendChild(link); - li.appendChild(document.createTextNode(" ")); - var link = document.createElement("a"); - link.href = "#"; - link.appendChild(document.createTextNode("+")); - link.feature = feature; - link.onclick = OpenLayers.Function.bind(function() { - 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")); - } - on_feature_hover(this.feature); - map.setCenter(this.feature.geometry.getBounds().getCenterLonLat()); - }, link); - li.appendChild(link); - obj_list.appendChild(li); + OpenLayers.Feature.Vector.style['default'].strokeWidth = 3; + OpenLayers.Feature.Vector.style['default'].cursor = "pointer"; + + function startBrowse() { + map.dataLayer.active = true; + + openSidebar({ onclose: stopBrowse }); + + var vectors = new OpenLayers.Layer.Vector(); + + browseBoxControl = new OpenLayers.Control.DrawFeature(vectors, OpenLayers.Handler.RegularPolygon, { + handlerOptions: { + sides: 4, + snapAngle: 90, + irregular: true, + persist: true } - $("object").innerHTML = ""; - $("object").appendChild(obj_list); - } - function getData(bounds) { - $("status").innerHTML = "Loading..."; - bounds.transform(new OpenLayers.Projection("EPSG:900913"), new OpenLayers.Projection("EPSG:4326")); - var url = "/api/0.5/map?bbox="+bounds.toBBOX(); - if (!gml) { - var def = OpenLayers.Feature.Vector.style['default']; - 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'}} - } - )]); - gml = new OpenLayers.Layer.GML("Data",url, - {format: OpenLayers.Format.OSM, formatOptions: {checkTags: true}, - styleMap: new OpenLayers.StyleMap({'default': style, 'select': {'strokeColor': '#0000ff'}}) - } - ); - gml.events.register("loadend", gml, dataLoaded ); - map.addLayer(gml); - sf = new OpenLayers.Control.SelectFeature(gml, {'onSelect': on_feature_hover}); - map.addControl(sf); - sf.activate(); + }); + browseBoxControl.handler.callbacks.done = endDrag; + map.addControl(browseBoxControl); - } else { - gml.setUrl(url); + map.events.register("moveend", map, showData); + map.events.triggerEvent("moveend"); + + $("browse_hide_areas_box").innerHTML = "#{I18n.t('browse.start_rjs.hide_areas')}"; + $("browse_hide_areas_box").style.display = "inline"; + $("browse_hide_areas_box").onclick = hideAreas; + } + + function showData() { + 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; + + 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, showData); + } + } + + function startDrag() { + $("browse_select_box").innerHTML="#{I18n.t('browse.start_rjs.drag_a_box')}"; + + browseBoxControl.activate(); + + return false; + }; + + $("browse_select_box").onclick = startDrag; + + 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").style.display = "none"; } + + return false; + } + + function hideAreas() { + $("browse_hide_areas_box").innerHTML = "#{I18n.t('browse.start_rjs.show_areas')}"; + $("browse_hide_areas_box").style.display = "inline"; + $("browse_hide_areas_box").onclick = showAreas; + + areasHidden = true; + + useMap(true); } + + function showAreas() { + $("browse_hide_areas_box").innerHTML = "#{I18n.t('browse.start_rjs.hide_areas')}"; + $("browse_hide_areas_box").style.display = "inline"; + $("browse_hide_areas_box").onclick = hideAreas; + + areasHidden = false; + + useMap(true); + } + + $("browse_select_view").onclick = useMap; + function endDrag(bbox) { var bounds = bbox.getBounds(); - setBounds(bounds); - box.deactivate(); + var projected = bounds.clone().transform(map.getProjectionObject(), epsg4326); + + browseBoxControl.deactivate(); + browseBounds = projected; getData(bounds); - $("drag_box").innerHTML = "Select an area to see features"; + browseMode = "manual"; + + $("browse_select_box").innerHTML = "#{I18n.t('browse.start_rjs.manually_select')}"; + $("browse_select_view").style.display = "inline"; } - function loadObjList() { - $("object").innerHTML=""; - $("object").appendChild(obj_list); + + function displayFeatureWarning() { + clearStatus(); + + var div = document.createElement("div"); + + var p = document.createElement("p"); + p.appendChild(document.createTextNode(i18n("#{I18n.t('browse.start_rjs.loaded_an_area_with_num_features')}", { num_features: browseFeatureList.length }))); + div.appendChild(p); + + var input = document.createElement("input"); + input.type = "submit"; + input.value = "#{I18n.t('browse.start_rjs.load_data')}"; + input.onclick = loadFeatureList; + div.appendChild(input); + + $("browse_content").innerHTML = ""; + $("browse_content").appendChild(div); } - - function on_feature_hover(feature) { - if (currentFeature) { - currentFeature.layer.drawFeature( - currentFeature, currentFeature.layer.styleMap.createSymbolizer(currentFeature, "default") - ); + + function loadFeatureList() { + browseDataLayer.addFeatures(browseFeatureList); + browseDataLayer.events.triggerEvent("loadend"); + + browseFeatureList = []; + + return false; + } + + function customDataLoader(request) { + if (this.map.dataLayer.active) { + var doc = request.responseXML; + + if (!doc || !doc.documentElement) { + doc = request.responseText; } - feature.layer.drawFeature( - feature, feature.layer.styleMap.createSymbolizer(feature, "select") - ); - if ($("object").firstChild == $("object").obj_list) { - $("object").removeChild(obj_list); - } else { - $("object").innerHTML = ""; - } - var div = document.createElement("div"); - var link = document.createElement("a"); - link.href="#"; - link.onclick = loadObjList; - link.appendChild(document.createTextNode("Back to Object List")); - div.appendChild(link) - $("object").appendChild(div); - var ul = document.createElement("ul"); - var type ="way"; - if (feature.geometry.CLASS_NAME == "OpenLayers.Geometry.Point") { - type = "node"; + + var options = {}; + + OpenLayers.Util.extend(options, this.formatOptions); + + if (this.map && !this.projection.equals(this.map.getProjectionObject())) { + options.externalProjection = this.projection; + options.internalProjection = this.map.getProjectionObject(); } + + 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, reload) { + var projected = bounds.clone().transform(new OpenLayers.Projection("EPSG:900913"), new OpenLayers.Projection("EPSG:4326")); + var size = projected.getWidth() * projected.getHeight(); + + if (size > #{MAX_REQUEST_AREA}) { + setStatus(i18n("#{I18n.t('browse.start_rjs.unable_to_load_size', :max_bbox_size => MAX_REQUEST_AREA)}", { bbox_size: size })); + } else { + loadGML("/api/#{API_VERSION}/map?bbox=" + projected.toBBOX(), reload); + } + } + + function loadGML(url, reload) { + setStatus("#{I18n.t('browse.start_rjs.loading')}"); + $("browse_content").innerHTML = ""; + + 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(); + + browseDataLayer = new OpenLayers.Layer.GML("Data", url, { + format: OpenLayers.Format.OSM, + formatOptions: formatOptions, + 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.handlers.feature.stopDown = false; + browseSelectControl.handlers.feature.stopUp = false; + map.addControl(browseSelectControl); + browseSelectControl.activate(); + } else { + browseDataLayer.destroyFeatures(); + browseDataLayer.format(formatOptions); + browseDataLayer.setUrl(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); + + list.appendChild(li); + } + + browseObjectList.appendChild(list) + + var link = document.createElement("a"); + link.href = this.url; + link.appendChild(document.createTextNode("#{I18n.t('browse.start_rjs.object_list.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("#{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").appendChild(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").appendChild(div); + + // Now the list of attributes + var ul = document.createElement("ul"); + for (var key in feature.attributes) { var li = document.createElement("li"); - var link = document.createElement("a"); - link.href = "/browse/"+type+"/"+feature.osm_id; - link.appendChild(document.createTextNode(feature.osm_id)); - li.appendChild(link); + var b = document.createElement("b"); + b.appendChild(document.createTextNode(key)); + li.appendChild(b); + li.appendChild(document.createTextNode(": " + feature.attributes[key])); ul.appendChild(li); - for (var key in feature.attributes) { - var li = document.createElement("li"); - li.appendChild(document.createTextNode(key + ": " + feature.attributes[key])); - ul.appendChild(li); - } - $("object").appendChild(ul); - currentFeature = feature; + } + + 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); + + // Stash the currently drawn feature + browseActiveFeature = feature; } - function setBounds(bounds) { - var epsg4326 = new OpenLayers.Projection("EPSG:4326"); - var decimals = Math.pow(10, Math.floor(map.getZoom() / 3)); - bounds = bounds.clone().transform(map.getProjectionObject(), epsg4326); + function loadHistory() { + this.link.href = ""; + this.link.innerHTML = "#{I18n.t('browse.start_rjs.wait')}"; + + new Ajax.Request("/api/#{API_VERSION}/" + this.type + "/" + this.feature.osm_id + "/history", { + onComplete: 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); - $("minlon").innerHTML = Math.round(bounds.left * decimals) / decimals; - $("minlat").innerHTML = Math.round(bounds.bottom * decimals) / decimals; - $("maxlon").innerHTML = Math.round(bounds.right * decimals) / decimals; - $("maxlat").innerHTML = Math.round(bounds.top * decimals) / decimals; + var doc = request.responseXML; + + 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(i18n("#{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("#{I18n.t('browse.start_rjs.edited_by_user_at_timestamp')}", { user: user, timestamp: timestamp }))); + history.appendChild(item); + } + div.appendChild(history); + + $("browse_content").appendChild(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) { + if (feature.attributes['name:#{I18n.locale}']) { + return feature.attributes['name:#{I18n.locale}']; + } else if (feature.attributes.name) { + return feature.attributes.name; + } else { + return feature.osm_id; + } + } + + function featureNameSelect(feature) { + if (feature.attributes['name:#{I18n.locale}']) { + return feature.attributes['name:#{I18n.locale}']; + } else if (feature.attributes.name) { + return feature.attributes.name; + } else if (featureType(feature) == "node") { + return i18n("#{I18n.t('browse.start_rjs.object_list.selected.type.node')}", { id: feature.osm_id }); + } else if (featureType(feature) == "way") { + return i18n("#{I18n.t('browse.start_rjs.object_list.selected.type.way')}", { id: feature.osm_id }); + } + } + + function featureNameHistory(feature) { + if (feature.attributes['name:#{I18n.locale}']) { + return feature.attributes['name:#{I18n.locale}']; + } else if (feature.attributes.name) { + return feature.attributes.name; + } else if (featureType(feature) == "node") { + return i18n("#{I18n.t('browse.start_rjs.object_list.history.type.node')}", { id: feature.osm_id }); + } else if (featureType(feature) == "way") { + return i18n("#{I18n.t('browse.start_rjs.object_list.history.type.way')}", { id: feature.osm_id }); + } + } + + function setStatus(status) { + $("browse_status").innerHTML = status; + $("browse_status").style.display = "block"; + } + + function clearStatus() { + $("browse_status").innerHTML = ""; + $("browse_status").style.display = "none"; } -start(); + startBrowse(); EOJ