openstreetmap-website/app/assets/javascripts/index.js

//= require_self
//= require leaflet.sidebar
//= require leaflet.locate
//= require leaflet.layers
//= require leaflet.key
//= require leaflet.note
//= require leaflet.share
//= require leaflet.polyline
//= require leaflet.query
//= require leaflet.contextmenu
//= require index/contextmenu
//= require index/search
//= require index/browse
//= require index/export
//= require index/notes
//= require index/history
//= require index/note
//= require index/new_note
//= require index/directions
//= require index/changeset
//= require index/query
//= require router
//= require querystring

$(document).ready(function () {
  var querystring = require("querystring-component");

  var loaderTimeout;

  var map = new L.OSM.Map("map", {
    zoomControl: false,
    layerControl: false,
    contextmenu: true
  });

  OSM.loadSidebarContent = function (path, callback) {
    var content_path = path;

    map.setSidebarOverlaid(false);

    clearTimeout(loaderTimeout);

    loaderTimeout = setTimeout(function () {
      $("#sidebar_loader").show();
    }, 200);

    // IE<10 doesn't respect Vary: X-Requested-With header, so
    // prevent caching the XHR response as a full-page URL.
    if (content_path.indexOf("?") >= 0) {
      content_path += "&xhr=1";
    } else {
      content_path += "?xhr=1";
    }

    $("#sidebar_content")
      .empty();

    $.ajax({
      url: content_path,
      dataType: "html",
      complete: function (xhr) {
        clearTimeout(loaderTimeout);
        $("#flash").empty();
        $("#sidebar_loader").hide();

        var content = $(xhr.responseText);

        if (xhr.getResponseHeader("X-Page-Title")) {
          var title = xhr.getResponseHeader("X-Page-Title");
          document.title = decodeURIComponent(title);
        }

        $("head")
          .find("link[type=\"application/atom+xml\"]")
          .remove();

        $("head")
          .append(content.filter("link[type=\"application/atom+xml\"]"));

        $("#sidebar_content").html(content.not("link[type=\"application/atom+xml\"]"));

        if (callback) {
          callback();
        }
      }
    });
  };

  var params = OSM.mapParams();

  map.attributionControl.setPrefix("");

  map.updateLayers(params.layers);

  map.on("baselayerchange", function (e) {
    if (map.getZoom() > e.layer.options.maxZoom) {
      map.setView(map.getCenter(), e.layer.options.maxZoom, { reset: true });
    }
  });

  var position = $("html").attr("dir") === "rtl" ? "topleft" : "topright";

  L.OSM.zoom({ position: position })
    .addTo(map);

  var locate = L.control.locate({
    position: position,
    icon: "icon geolocate",
    iconLoading: "icon geolocate",
    strings: {
      title: I18n.t("javascripts.map.locate.title"),
      popup: I18n.t("javascripts.map.locate.popup")
    }
  }).addTo(map);

  var locateContainer = locate.getContainer();

  $(locateContainer)
    .removeClass("leaflet-control-locate leaflet-bar")
    .addClass("control-locate")
    .children("a")
    .attr("href", "#")
    .removeClass("leaflet-bar-part leaflet-bar-part-single")
    .addClass("control-button");

  var sidebar = L.OSM.sidebar("#map-ui")
    .addTo(map);

  L.OSM.layers({
    position: position,
    layers: map.baseLayers,
    sidebar: sidebar
  }).addTo(map);

  L.OSM.key({
    position: position,
    sidebar: sidebar
  }).addTo(map);

  L.OSM.share({
    "position": position,
    "sidebar": sidebar,
    "short": true
  }).addTo(map);

  L.OSM.note({
    position: position,
    sidebar: sidebar
  }).addTo(map);

  L.OSM.query({
    position: position,
    sidebar: sidebar
  }).addTo(map);

  L.control.scale()
    .addTo(map);

  OSM.initializeContextMenu(map);

  if (OSM.STATUS !== "api_offline" && OSM.STATUS !== "database_offline") {
    OSM.initializeNotes(map);
    if (params.layers.indexOf(map.noteLayer.options.code) >= 0) {
      map.addLayer(map.noteLayer);
    }

    OSM.initializeBrowse(map);
    if (params.layers.indexOf(map.dataLayer.options.code) >= 0) {
      map.addLayer(map.dataLayer);
    }

    if (params.layers.indexOf(map.gpsLayer.options.code) >= 0) {
      map.addLayer(map.gpsLayer);
    }
  }

  var placement = $("html").attr("dir") === "rtl" ? "right" : "left";
  $(".leaflet-control .control-button").tooltip({ placement: placement, container: "body" });

  var expiry = new Date();
  expiry.setYear(expiry.getFullYear() + 10);

  map.on("moveend layeradd layerremove", function () {
    updateLinks(
      map.getCenter().wrap(),
      map.getZoom(),
      map.getLayersCode(),
      map._object);

    $.removeCookie("_osm_location");
    $.cookie("_osm_location", OSM.locationCookie(map), { expires: expiry, path: "/" });
  });

  if ($.cookie("_osm_welcome") !== "hide") {
    $(".welcome").addClass("visible");
  }

  $(".welcome .close-wrap").on("click", function () {
    $(".welcome").removeClass("visible");
    $.cookie("_osm_welcome", "hide", { expires: expiry, path: "/" });
  });

  var bannerExpiry = new Date();
  bannerExpiry.setYear(bannerExpiry.getFullYear() + 1);

  $("#banner .close-wrap").on("click", function (e) {
    var cookieId = e.target.id;
    $("#banner").hide();
    e.preventDefault();
    if (cookieId) {
      $.cookie(cookieId, "hide", { expires: bannerExpiry, path: "/" });
    }
  });

  if (OSM.PIWIK) {
    map.on("layeradd", function (e) {
      if (e.layer.options) {
        var goal = OSM.PIWIK.goals[e.layer.options.keyid];

        if (goal) {
          $("body").trigger("piwikgoal", goal);
        }
      }
    });
  }

  if (params.bounds) {
    map.fitBounds(params.bounds);
  } else {
    map.setView([params.lat, params.lon], params.zoom);
  }

  if (params.marker) {
    L.marker([params.mlat, params.mlon]).addTo(map);
  }

  $("#homeanchor").on("click", function (e) {
    e.preventDefault();

    var data = $(this).data(),
        center = L.latLng(data.lat, data.lon);

    map.setView(center, data.zoom);
    L.marker(center, { icon: OSM.getUserIcon() }).addTo(map);
  });

  function remoteEditHandler(bbox, object) {
    var loaded = false,
        url,
        query = {
          left: bbox.getWest() - 0.0001,
          top: bbox.getNorth() + 0.0001,
          right: bbox.getEast() + 0.0001,
          bottom: bbox.getSouth() - 0.0001
        };

    url = "http://127.0.0.1:8111/load_and_zoom?";

    if (object) query.select = object.type + object.id;

    var iframe = $("<iframe>")
      .hide()
      .appendTo("body")
      .attr("src", url + querystring.stringify(query))
      .on("load", function () {
        $(this).remove();
        loaded = true;
      });

    setTimeout(function () {
      if (!loaded) {
        alert(I18n.t("site.index.remote_failed"));
        iframe.remove();
      }
    }, 1000);

    return false;
  }

  $("a[data-editor=remote]").click(function (e) {
    var params = OSM.mapParams(this.search);
    remoteEditHandler(map.getBounds(), params.object);
    e.preventDefault();
  });

  if (OSM.params().edit_help) {
    $("#editanchor")
      .removeAttr("title")
      .tooltip({
        placement: "bottom",
        title: I18n.t("javascripts.edit_help")
      })
      .tooltip("show");

    $("body").one("click", function () {
      $("#editanchor").tooltip("hide");
    });
  }

  OSM.Index = function (map) {
    var page = {};

    page.pushstate = page.popstate = function () {
      map.setSidebarOverlaid(true);
      document.title = I18n.t("layouts.project_name.title");
    };

    page.load = function () {
      var params = querystring.parse(location.search.substring(1));
      if (params.query) {
        $("#sidebar .search_form input[name=query]").value(params.query);
      }
      if (!("autofocus" in document.createElement("input"))) {
        $("#sidebar .search_form input[name=query]").focus();
      }
      return map.getState();
    };

    return page;
  };

  OSM.Browse = function (map, type) {
    var page = {};

    page.pushstate = page.popstate = function (path, id) {
      OSM.loadSidebarContent(path, function () {
        addObject(type, id);
      });
    };

    page.load = function (path, id) {
      addObject(type, id, true);
    };

    function addObject(type, id, center) {
      map.addObject({ type: type, id: parseInt(id, 10) }, function (bounds) {
        if (!window.location.hash && bounds.isValid() &&
            (center || !map.getBounds().contains(bounds))) {
          OSM.router.withoutMoveListener(function () {
            map.fitBounds(bounds);
          });
        }
      });

      $(".colour-preview-box").each(function () {
        $(this).css("background-color", $(this).data("colour"));
      });
    }

    page.unload = function () {
      map.removeObject();
    };

    return page;
  };

  var history = OSM.History(map);

  OSM.router = OSM.Router(map, {
    "/": OSM.Index(map),
    "/search": OSM.Search(map),
    "/directions": OSM.Directions(map),
    "/export": OSM.Export(map),
    "/note/new": OSM.NewNote(map),
    "/history/friends": history,
    "/history/nearby": history,
    "/history": history,
    "/user/:display_name/history": history,
    "/note/:id": OSM.Note(map),
    "/node/:id(/history)": OSM.Browse(map, "node"),
    "/way/:id(/history)": OSM.Browse(map, "way"),
    "/relation/:id(/history)": OSM.Browse(map, "relation"),
    "/changeset/:id": OSM.Changeset(map),
    "/query": OSM.Query(map)
  });

  if (OSM.preferred_editor === "remote" && document.location.pathname === "/edit") {
    remoteEditHandler(map.getBounds(), params.object);
    OSM.router.setCurrentPath("/");
  }

  OSM.router.load();

  $(document).on("click", "a", function (e) {
    if (e.isDefaultPrevented() || e.isPropagationStopped()) {
      return;
    }

    // Open links in a new tab as normal.
    if (e.which > 1 || e.metaKey || e.ctrlKey || e.shiftKey || e.altKey) {
      return;
    }

    // Ignore cross-protocol and cross-origin links.
    if (location.protocol !== this.protocol || location.host !== this.host) {
      return;
    }

    if (OSM.router.route(this.pathname + this.search + this.hash)) {
      e.preventDefault();
    }
  });
});