zoomPrecision doesn't need to be higher-order

[rails.git] / app / assets / javascripts / application.js

diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 747c6d9afe5d45544717c7f24c759ee5f8bfd77a..18b1515c59b121c6bd4cc06d0f91e488456bffb6 100644 (file)
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -1,272 +1,129 @@
 //= require jquery
 //= require jquery_ujs
 //= require jquery
 //= require jquery_ujs

-//= require jquery.autogrowtextarea

 //= require jquery.timers
 //= require jquery.timers

+//= require jquery.cookie

 //= require augment
 //= require augment

-//= require openlayers
+//= require leaflet
+//= require leaflet.osm
+//= require leaflet.hash
+//= require leaflet.zoom
+//= require leaflet.extend
+//= require leaflet.locationfilter

 //= require i18n/translations
 //= require i18n/translations

-//= require globals
-//= require browse
-//= require export
+//= require oauth
+//= require osm
+//= require piwik

 //= require map
 //= require map

-//= require key

 //= require menu
 //= require sidebar
 //= require menu
 //= require sidebar

+//= require richtext
+//= require geocoder
+//= require querystring
+
+var querystring = require('querystring-component');

 
 function zoomPrecision(zoom) {
 
 function zoomPrecision(zoom) {

-    var decimals = Math.pow(10, Math.floor(zoom/3));
-    return function(x) {
-         return Math.round(x * decimals) / decimals;
-    };
+    return Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2));

 }
 
 }
 

-/*
- * Called as the user scrolls/zooms around to aniplate hrefs of the
- * view tab and various other links
- */
-function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,objid) {
-  var toPrecision = zoomPrecision(zoom);
-  var node;
-
-  lat = toPrecision(lat);
-  lon = toPrecision(lon);
-
-  if (minlon) {
-    minlon = toPrecision(minlon);
-    minlat = toPrecision(minlat);
-    maxlon = toPrecision(maxlon);
-    maxlat = toPrecision(maxlat);
-  }
-
-  $(".geolink").each(function (index, link) {
-    var args = getArgs(link.href);
-
-    if ($(link).hasClass("llz")) {
-      args.lat = lat;
-      args.lon = lon;
-      args.zoom = zoom;
-    } else if (minlon && $(link).hasClass("bbox")) {
-      args.bbox = minlon + "," + minlat + "," + maxlon + "," + maxlat;
-    }
-
-    if (layers && $(link).hasClass("layers")) {
-      args.layers = layers;
-    }
-
-    if (objtype && $(link).hasClass("object")) {
-      args[objtype] = objid;
-    }
-
-    var classes = $(link).attr("class").split(" ");
-
-    $(classes).each(function (index, classname) {
-      if (match = classname.match(/^minzoom([0-9]+)$/)) {
-        var minzoom = match[1];
-        var name = link.id.replace(/anchor$/, "");
-
-        $(link).off("click.minzoom");
-
-        if (zoom >= minzoom) {
-          $(link).attr("title", I18n.t("javascripts.site." + name + "_tooltip"));
-          $(link).removeClass("disabled");
-        } else {
-          $(link).on("click.minzoom", function () { alert(I18n.t("javascripts.site." + name + "_zoom_alert")); return false; });
-          $(link).attr("title", I18n.t("javascripts.site." + name + "_disabled_tooltip"));
-          $(link).addClass("disabled");
-        }
-      }
-    });
-
-    link.href = setArgs(link.href, args);
-  });
-
-  $("#shortlinkanchor").each(function () {
-    var args = getArgs(this.href);
-    var code = makeShortCode(lat, lon, zoom);
-    var prefix = shortlinkPrefix();
-
-    // Add ?{node,way,relation}=id to the arguments
-    if (objtype && objid) {
-      args[objtype] = objid;
-    }
-
-    // This is a hack to omit the default mapnik layer from the shortlink.
-    if (layers && layers != "M") {
-      args.layers = layers;
-    }
-    else {
-      delete args.layers;
-    }
-
-    // Here we're assuming that all parameters but ?layers= and
-    // ?{node,way,relation}= can be safely omitted from the shortlink
-    // which encodes lat/lon/zoom. If new URL parameters are added to
-    // the main slippy map this needs to be changed.
-    if (args.layers || args[objtype]) {
-      this.href = setArgs(prefix + "/go/" + code, args);
-    } else {
-      this.href = prefix + "/go/" + code;
-    }
-  });
+function normalBounds(bounds) {
+    if (bounds instanceof L.LatLngBounds) return bounds;
+    return new L.LatLngBounds(
+        new L.LatLng(bounds[0][0], bounds[0][1]),
+        new L.LatLng(bounds[1][0], bounds[1][1]));

 }
 
 }
 

-/*
- * Get the URL prefix to use for a short link
- */
-function shortlinkPrefix() {
-  if (window.location.hostname.match(/^www\.openstreetmap\.org/i)) {
-    return "http://osm.org";
-  } else {
-    return "";
-  }
+function remoteEditHandler(bbox, select) {
+  var loaded = false,
+      query = {
+          left: bbox.getWest() - 0.0001,
+          top: bbox.getNorth() + 0.0001,
+          right: bbox.getEast() + 0.0001,
+          bottom: bbox.getSouth() - 0.0001
+      };
+
+  if (select) query.select = select;
+  $("#linkloader")
+    .attr("src", "http://127.0.0.1:8111/load_and_zoom?" + querystring.stringify(query))
+    .load(function() { loaded = true; });
+
+  setTimeout(function () {
+    if (!loaded) alert(I18n.t('site.index.remote_failed'));
+  }, 1000);
+
+  return false;

 }
 
 /*
 }
 
 /*

- * Called to get the arguments from a URL as a hash.
+ * Called as the user scrolls/zooms around to maniplate hrefs of the
+ * view tab and various other links

  */
  */

-function getArgs(url) {
-  var args = {};
-  var querystart = url.indexOf("?");
-
-  if (querystart >= 0) {
-     var querystring = url.substring(querystart + 1);
-     var queryitems = querystring.split("&");
-
-     for (var i = 0; i < queryitems.length; i++) {
-        if (match = queryitems[i].match(/^(.*)=(.*)$/)) {
-           args[unescape(match[1])] = unescape(match[2]);
-        } else {
-           args[unescape(queryitems[i])] = null;
-        }
-     }
+function updatelinks(loc, zoom, layers, bounds, object) {
+  var precision = zoomPrecision(zoom);
+  bounds = normalBounds(bounds);
+
+  var lat = loc.lat.toFixed(precision),
+      lon = (loc.lon || loc.lng).toFixed(precision);
+
+  if (bounds) {
+    var minlon = bounds.getWest().toFixed(precision),
+        minlat = bounds.getSouth().toFixed(precision),
+        maxlon = bounds.getEast().toFixed(precision),
+        maxlat = bounds.getNorth().toFixed(precision);

   }
 
   }
 

-  return args;
-}
+  $(".geolink").each(setGeolink);

 
 

-/*
- * Called to set the arguments on a URL from the given hash.
- */
-function setArgs(url, args) {
-   var queryitems = [];
+  function setGeolink(index, link) {
+    var base = link.href.split('?')[0],
+        qs = link.href.split('?')[1],
+        args = querystring.parse(qs);
+
+    if ($(link).hasClass("llz")) {
+      $.extend(args, {
+          lat: lat,
+          lon: lon,
+          zoom: zoom
+      });
+    } else if (minlon && $(link).hasClass("bbox")) {
+      $.extend(args, {
+          bbox: minlon + "," + minlat + "," + maxlon + "," + maxlat
+      });
+    }

 
 

-   for (arg in args) {
-      if (args[arg] == null) {
-         queryitems.push(escape(arg));
+    if (layers && $(link).hasClass("layers")) args.layers = layers;
+    if (object && $(link).hasClass("object")) args[object.type] = object.id;
+
+    var minzoom = $(link).data("minzoom");
+    if (minzoom) {
+      var name = link.id.replace(/anchor$/, "");
+      $(link).off("click.minzoom");
+      if (zoom >= minzoom) {
+        $(link)
+          .attr("title", I18n.t("javascripts.site." + name + "_tooltip"))
+          .removeClass("disabled");

       } else {
       } else {

-         queryitems.push(escape(arg) + "=" + escape(args[arg]));
+        $(link)
+          .attr("title", I18n.t("javascripts.site." + name + "_disabled_tooltip"))
+          .addClass("disabled")
+          .on("click.minzoom", function () {
+            alert(I18n.t("javascripts.site." + name + "_zoom_alert"));
+            return false;
+          });

       }
       }

-   }
-
-   return url.replace(/\?.*$/, "") + "?" + queryitems.join("&");
-}
-
-/*
- * Called to interlace the bits in x and y, making a Morton code.
- */
-function interlace(x, y) {
-    x = (x | (x << 8)) & 0x00ff00ff;
-    x = (x | (x << 4)) & 0x0f0f0f0f;
-    x = (x | (x << 2)) & 0x33333333;
-    x = (x | (x << 1)) & 0x55555555;
-
-    y = (y | (y << 8)) & 0x00ff00ff;
-    y = (y | (y << 4)) & 0x0f0f0f0f;
-    y = (y | (y << 2)) & 0x33333333;
-    y = (y | (y << 1)) & 0x55555555;
-
-    return (x << 1) | y;
-}
-
-/*
- * Called to create a short code for the short link.
- */
-function makeShortCode(lat, lon, zoom) {
-    char_array = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_~";
-    var x = Math.round((lon + 180.0) * ((1 << 30) / 90.0));
-    var y = Math.round((lat +  90.0) * ((1 << 30) / 45.0));
-    // JavaScript only has to keep 32 bits of bitwise operators, so this has to be
-    // done in two parts. each of the parts c1/c2 has 30 bits of the total in it
-    // and drops the last 4 bits of the full 64 bit Morton code.
-    var str = "";
-    var c1 = interlace(x >>> 17, y >>> 17), c2 = interlace((x >>> 2) & 0x7fff, (y >>> 2) & 0x7fff);
-    for (var i = 0; i < Math.ceil((zoom + 8) / 3.0) && i < 5; ++i) {
-        digit = (c1 >> (24 - 6 * i)) & 0x3f;
-        str += char_array.charAt(digit);
-    }
-    for (var i = 5; i < Math.ceil((zoom + 8) / 3.0); ++i) {
-        digit = (c2 >> (24 - 6 * (i - 5))) & 0x3f;
-        str += char_array.charAt(digit);

     }
     }

-    for (var i = 0; i < ((zoom + 8) % 3); ++i) {
-        str += "-";
-    }
-    return str;
-}
-
-/*
- * Click handler to switch a rich text control to preview mode
- */
-function previewRichtext(event) {
-  var editor = $(this).parents(".richtext_container").find("textarea");
-  var preview = $(this).parents(".richtext_container").find(".richtext_preview");
-  var width = editor.outerWidth() - preview.outerWidth() + preview.innerWidth();
-  var minHeight = editor.outerHeight() - preview.outerHeight() + preview.innerHeight();
-
-  if (preview.contents().length == 0) {
-    preview.oneTime(500, "loading", function () {
-      preview.addClass("loading");
-    });
-
-    preview.load(editor.attr("data-preview-url"), { text: editor.val() }, function () {
-      preview.stopTime("loading");
-      preview.removeClass("loading");
-    });
+    link.href = base + '?' + querystring.stringify(args);

   }
   }

-
-  editor.hide();
-  preview.width(width);
-  preview.css("min-height", minHeight + "px");
-  preview.show();
-
-  $(this).siblings(".richtext_doedit").prop("disabled", false);
-  $(this).prop("disabled", true);
-
-  event.preventDefault();

 }
 
 }
 

-/*
- * Click handler to switch a rich text control to edit mode
- */
-function editRichtext(event) {
-  var editor = $(this).parents(".richtext_container").find("textarea");
-  var preview = $(this).parents(".richtext_container").find(".richtext_preview");
-
-  preview.hide();
-  editor.show();
-
-  $(this).siblings(".richtext_dopreview").prop("disabled", false);
-  $(this).prop("disabled", true);
-
-  event.preventDefault();
+// generate a cookie-safe string of map state
+function cookieContent(map) {
+  var center = map.getCenter().wrap();
+  return [center.lng, center.lat, map.getZoom(), map.getLayersCode()].join('|');

 }
 
 /*
 }
 
 /*

- * Setup any rich text controls
- */
-$(document).ready(function () {
-  $(".richtext_preview").hide();
-  $(".richtext_content textarea").change(function () { 
-    $(this).parents(".richtext_container").find(".richtext_preview").empty();
-  });
-  $(".richtext_doedit").prop("disabled", true);
-  $(".richtext_dopreview").prop("disabled", false);
-  $(".richtext_doedit").click(editRichtext);
-  $(".richtext_dopreview").click(previewRichtext);
-});
-
-/*
- * Forms which have been cached by rails may have he wrong
+ * Forms which have been cached by rails may have the wrong

  * authenticity token, so patch up any forms with the correct
  * token taken from the page header.
  */
  * authenticity token, so patch up any forms with the correct
  * token taken from the page header.
  */


@@ -274,10 +131,3 @@ $(document).ready(function () {
   var auth_token = $("meta[name=csrf-token]").attr("content");
   $("form input[name=authenticity_token]").val(auth_token);
 });
   var auth_token = $("meta[name=csrf-token]").attr("content");
   $("form input[name=authenticity_token]").val(auth_token);
 });

-
-/*
- * Enable auto expansion for all text areas
- */
-$(document).ready(function () {
-  $("textarea").autoGrow();
-});