X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/b95f9115d7edf13ccdf8aac5e91251bf05d3084f..d5841403c44a6b74ef2200c68b4fd08cd65dbbb7:/app/assets/javascripts/index/browse.js?ds=sidebyside

diff --git a/app/assets/javascripts/index/browse.js b/app/assets/javascripts/index/browse.js
index 891e1c9bc..6bba3edf3 100644
--- a/app/assets/javascripts/index/browse.js
+++ b/app/assets/javascripts/index/browse.js
@@ -1,3 +1,7 @@
+//= require templates/browse/feature
+//= require templates/browse/feature_list
+//= require templates/browse/feature_history
+
 $(document).ready(function () {
   $("#show_data").click(function (e) {
     $.ajax({ url: $(this).attr('href'), success: function (sidebarHtml) {
@@ -7,115 +11,86 @@ $(document).ready(function () {
   });
 
   function startBrowse(sidebarHtml) {
-    var browseBoxControl;
     var browseMode = "auto";
     var browseBounds;
-    var browseFeatureList;
-    var browseActiveFeature;
-    var browseDataLayer;
-    var browseSelectControl;
+    var layersById;
+    var selectedLayer;
     var browseObjectList;
     var areasHidden = false;
 
-    OpenLayers.Feature.Vector.style['default'].strokeWidth = 3;
-    OpenLayers.Feature.Vector.style['default'].cursor = "pointer";
+    var dataLayer = new L.OSM(null, {
+      styles: {
+        way: {
+          weight: 3,
+          color: "#000000",
+          opacity: 0.4
+        },
+        area: {
+          weight: 3,
+          color: "#ff0000"
+        },
+        node: {
+          color: "#00ff00"
+        }
+      }
+    });
 
-    map.dataLayer.active = true;
+    dataLayer.addTo(map);
+
+    dataLayer.isWayArea = function () {
+      return !areasHidden && L.OSM.prototype.isWayArea.apply(this, arguments);
+    };
+
+    var drawHandler = new L.Rectangle.Draw(map, {title: I18n.t('browse.start_rjs.drag_a_box')});
+    map.on('draw:rectangle-created', endDrag);
 
     $("#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
-      }
-    });
-    browseBoxControl.handler.callbacks.done = endDrag;
-    map.addControl(browseBoxControl);
-
-    map.events.register("moveend", map, updateData);
-    map.events.triggerEvent("moveend");
+    map.on("moveend", updateData);
+    updateData();
 
     $("#browse_select_view").click(useMap);
 
-    $("#browse_select_box").click(startDrag);
-
     $("#browse_hide_areas_box").html(I18n.t('browse.start_rjs.hide_areas'));
-    $("#browse_hide_areas_box").show();
-    $("#browse_hide_areas_box").click(hideAreas);
+    $("#browse_hide_areas_box").toggle(hideAreas, showAreas);
 
     function updateData() {
       if (browseMode == "auto") {
         if (map.getZoom() >= 15) {
-            useMap(false);
+          useMap();
         } else {
-            setStatus(I18n.t('browse.start_rjs.zoom_or_select'));
+          setStatus(I18n.t('browse.start_rjs.zoom_or_select'));
         }
       }
     }
 
     $("#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.removeLayer(dataLayer);
+      map.off("moveend", updateData);
+      map.off('draw:rectangle-created', endDrag);
+      drawHandler.disable();
     });
 
-    function startDrag() {
+    $("#browse_select_box").click(function () {
       $("#browse_select_box").html(I18n.t('browse.start_rjs.drag_a_box'));
 
-      browseBoxControl.activate();
+      drawHandler.enable();
 
       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);
+    function useMap() {
+      var bounds = map.getBounds();
 
+      if (!browseBounds || !browseBounds.contains(bounds)) {
+        browseBounds = bounds;
         browseMode = "auto";
 
+        getData();
+
         $("#browse_select_view").hide();
       }
 
@@ -124,36 +99,30 @@ $(document).ready(function () {
 
     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);
+      getData();
     }
 
     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);
+      getData();
     }
 
-    function endDrag(bbox) {
-      var bounds = bbox.getBounds();
-      var projected = bounds.clone().transform(map.getProjectionObject(), epsg4326);
-
-      browseBoxControl.deactivate();
-      browseBounds = projected;
-      getData(bounds);
-
+    function endDrag(e) {
+      browseBounds = e.rect.getBounds();
       browseMode = "manual";
 
+      getData();
+
       $("#browse_select_box").html(I18n.t('browse.start_rjs.manually_select'));
       $("#browse_select_view").show();
+
+      drawHandler.disable();
     }
 
     function displayFeatureWarning(count, limit, callback) {
@@ -175,193 +144,96 @@ $(document).ready(function () {
       $("#browse_content").append(div);
     }
 
-    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);
-
-        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 size = browseBounds.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 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();
-
-        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);
+      dataLayer.clearLayers();
+      selectedLayer = null;
+
+      var url = "/api/" + OSM.API_VERSION + "/map?bbox=" + browseBounds.toBBOX();
+
+      /*
+       * 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;
         }
+      @*/
+
+      $.ajax({
+        url: url,
+        success: function (xml) {
+          clearStatus();
+
+          dataLayer.addData(xml);
+
+          layersById = {};
+          var features = [];
+
+          dataLayer.eachLayer(function (layer) {
+            var feature = layer.feature;
+            layersById[feature.id] = layer;
+            features.push({
+              typeName: featureTypeName(feature),
+              url: "/browse/" + feature.type + "/" + feature.id,
+              name: featureName(feature),
+              id: feature.id
+            });
+          });
 
-        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);
+          browseObjectList = $(JST["templates/browse/feature_list"]({
+            features: features,
+            url: url
+          }))[0];
 
-        $("#browse_content").html(browseObjectList);
-      }
+          loadObjectList();
+        }
+      });
     }
 
     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"));
-      }
+      var layer = layersById[$(this).data("feature-id")];
 
-      onFeatureSelect(this.feature);
+      onSelect(layer);
 
       if (browseMode != "auto") {
-        map.setCenter(this.feature.geometry.getBounds().getCenterLonLat());
+        map.panTo(layer.getBounds().getCenter());
       }
 
       return false;
     }
 
     function loadObjectList() {
-      $("#browse_content").empty();
-      $("#browse_content").append(browseObjectList);
+      $("#browse_content").html(browseObjectList);
+      $("#browse_content").find("a[data-feature-id]").click(viewFeatureLink);
 
       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")
-      );
+      layer.originalStyle = layer.options;
+      layer.setStyle({color: '#0000ff', weight: 8});
 
       // If the current object is the list, don't innerHTML="", since that could clear it.
       if ($("#browse_content").firstChild == browseObjectList) {
@@ -370,179 +242,79 @@ $(document).ready(function () {
         $("#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 feature = layer.feature;
 
-      var div = document.createElement("div");
-      div.className = "browse_details";
+      $("#browse_content").html(JST["templates/browse/feature"]({
+        name: featureNameSelect(feature),
+        url: "/browse/" + feature.type + "/" + feature.id,
+        attributes: feature.tags
+      }));
 
-      $("#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);
+      $("#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;
+      selectedLayer = layer;
     }
 
-    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);
+    dataLayer.on("click", function (e) {
+      onSelect(e.layer);
+    });
 
-      var tr = document.createElement("tr");
-      table.appendChild(tr);
+    function loadHistory() {
+      $(this).attr("href", "").text(I18n.t('browse.start_rjs.wait'));
 
-      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 feature = selectedLayer.feature;
 
-      var td = document.createElement("td");
-      td.align = "right";
-      tr.appendChild(td);
+      $.ajax({
+        url: "/api/" + OSM.API_VERSION + "/" + feature.type + "/" + feature.id + "/history",
+        success: function (xml) {
+          if (selectedLayer.feature != feature || $("#browse_content").firstChild == browseObjectList) {
+            return;
+          }
 
-      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);
+          $(this).remove();
 
-      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);
+          var history = [];
+          var nodes = xml.getElementsByTagName(feature.type);
+          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(div);
-    }
+          $("#browse_content").append(JST["templates/browse/feature_history"]({
+            name: featureNameHistory(feature),
+            url: "/browse/" + feature.type + "/" + feature.id,
+            history: history
+          }));
+        }.bind(this)
+      });
 
-    function featureType(feature) {
-      if (feature.geometry.CLASS_NAME == "OpenLayers.Geometry.Point") {
-        return "node";
-      } else {
-        return "way";
-      }
+      return false;
     }
 
     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');
-      }
+      return I18n.t('browse.start_rjs.object_list.type.' + feature.type);
     }
 
     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;
-      }
+      return feature.tags['name:' + $('html').attr('lang')] ||
+        feature.tags.name ||
+        feature.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 });
-      }
+      return feature.tags['name:' + $('html').attr('lang')] ||
+        feature.tags.name ||
+        I18n.t("browse.start_rjs.object_list.selected.type." + feature.type, { id: feature.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 });
-      }
+      return feature.tags['name:' + $('html').attr('lang')] ||
+        feature.tags.name ||
+        I18n.t("browse.start_rjs.object_list.history.type." + feature.type, { id: feature.id });
     }
 
     function setStatus(status) {
@@ -555,4 +327,4 @@ $(document).ready(function () {
       $("#browse_status").hide();
     }
   }
-});
\ No newline at end of file
+});