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[rails.git] / app / assets / javascripts / leaflet.share.js

diff --git a/app/assets/javascripts/leaflet.share.js b/app/assets/javascripts/leaflet.share.js
index f261a9d726b6be66118ec76a25e24492eccb55cd..79cb959732211750a7b517a07f44b9e4e77c14ad 100644 (file)
--- a/app/assets/javascripts/leaflet.share.js
+++ b/app/assets/javascripts/leaflet.share.js
@@ -1,73 +1,420 @@
 L.OSM.share = function (options) {
 L.OSM.share = function (options) {

-  var control = L.control(options);
+  var control = L.control(options),
+      marker = L.marker([0, 0], { draggable: true }),
+      locationFilter = new L.LocationFilter({
+        enableButton: false,
+        adjustButton: false
+      });

 
   control.onAdd = function (map) {
 
   control.onAdd = function (map) {

-    var $container = $('<div>')
-      .attr('class', 'control-share');
-
-    $('<a>')
-      .attr('class', 'control-button')
-      .attr('href', '#')
-      .attr('title', 'Share')
-      .html('<span class="icon share"></span>')
-      .on('click', toggle)
+    var $container = $("<div>")
+      .attr("class", "control-share");
+
+    var button = $("<a>")
+      .attr("class", "control-button")
+      .attr("href", "#")
+      .attr("title", I18n.t("javascripts.share.title"))
+      .html("<span class=\"icon share\"></span>")
+      .on("click", toggle)

       .appendTo($container);
 
       .appendTo($container);
 

-    var $ui = $('<div>')
-      .attr('class', 'share-ui');
+    var $ui = $("<div>")
+      .attr("class", "share-ui");

 
 

-    $('<header>')
-      .attr('class', 'sidebar_heading')
+    $("<div>")
+      .attr("class", "sidebar_heading")

       .appendTo($ui)
       .append(
       .appendTo($ui)
       .append(

-        $('<a>')
-          .text(I18n.t('javascripts.close'))
-          .attr('class', 'sidebar_close')
-          .attr('href', '#')
-          .bind('click', toggle))
+        $("<span>")
+          .text(I18n.t("javascripts.close"))
+          .attr("class", "icon close")
+          .bind("click", toggle))

       .append(
       .append(

-        $('<h4>')
-          .text(I18n.t('javascripts.share.title')));
+        $("<h4>")
+          .text(I18n.t("javascripts.share.title")));
+
+    // Link / Embed

 
 

-    var $linkSection = $('<section>')
-      .attr('class', 'share-link')
+    var $linkSection = $("<div>")
+      .attr("class", "section share-link")

       .appendTo($ui);
 
       .appendTo($ui);
 

-    $('<h4>')
-      .text(I18n.t('javascripts.share.link'))
+    $("<h4>")
+      .text(I18n.t("javascripts.share.link"))

       .appendTo($linkSection);
 
       .appendTo($linkSection);
 

-    var $shortLink, $longLink;
+    var $form = $("<form>")
+      .appendTo($linkSection);
+
+    $("<div>")
+      .attr("class", "form-check form-group")
+      .appendTo($form)
+      .append(
+        $("<label>")
+          .attr("for", "link_marker")
+          .attr("class", "form-check-label")
+          .append(
+            $("<input>")
+              .attr("id", "link_marker")
+              .attr("type", "checkbox")
+              .attr("class", "form-check-input")
+              .bind("change", toggleMarker))
+          .append(I18n.t("javascripts.share.include_marker")));
+
+    $("<div>")
+      .attr("class", "share-tabs")
+      .appendTo($form)
+      .append($("<a>")
+        .attr("class", "active")
+        .attr("for", "long_input")
+        .attr("id", "long_link")
+        .text(I18n.t("javascripts.share.long_link")))
+      .append($("<a>")
+        .attr("for", "short_input")
+        .attr("id", "short_link")
+        .text(I18n.t("javascripts.share.short_link")))
+      .append($("<a>")
+        .attr("for", "embed_html")
+        .attr("href", "#")
+        .text(I18n.t("javascripts.share.embed")))
+      .on("click", "a", function (e) {
+        e.preventDefault();
+        var id = "#" + $(this).attr("for");
+        $linkSection.find(".share-tabs a")
+          .removeClass("active");
+        $(this).addClass("active");
+        $linkSection.find(".share-tab")
+          .hide();
+        $linkSection.find(".share-tab:has(" + id + ")")
+          .show()
+          .find("input, textarea")
+          .select();
+      });
+
+    $("<div>")
+      .attr("class", "share-tab")
+      .css("display", "block")
+      .appendTo($form)
+      .append($("<input>")
+        .attr("id", "long_input")
+        .attr("type", "text")
+        .on("click", select));
+
+    $("<div>")
+      .attr("class", "share-tab")
+      .appendTo($form)
+      .append($("<input>")
+        .attr("id", "short_input")
+        .attr("type", "text")
+        .on("click", select));
+
+    $("<div>")
+      .attr("class", "share-tab")
+      .appendTo($form)
+      .append(
+        $("<textarea>")
+          .attr("id", "embed_html")
+          .on("click", select))
+      .append(
+        $("<p>")
+          .attr("class", "text-muted")
+          .text(I18n.t("javascripts.share.paste_html"))
+          .appendTo($linkSection));
+
+    // Geo URI
+
+    var $geoUriSection = $("<div>")
+      .attr("class", "section share-geo-uri")
+      .appendTo($ui);
+
+    $("<h4>")
+      .text(I18n.t("javascripts.share.geo_uri"))
+      .appendTo($geoUriSection);
+
+    $("<div>")
+      .appendTo($geoUriSection)
+      .append($("<a>")
+        .attr("id", "geo_uri"));
+
+    // Image
+
+    var $imageSection = $("<div>")
+      .attr("class", "section share-image")
+      .appendTo($ui);
+
+    $("<h4>")
+      .text(I18n.t("javascripts.share.image"))
+      .appendTo($imageSection);
+
+    $("<div>")
+      .attr("id", "export-warning")
+      .attr("class", "text-muted")
+      .text(I18n.t("javascripts.share.only_standard_layer"))
+      .appendTo($imageSection);
+
+    $form = $("<form>")
+      .attr("id", "export-image")
+      .attr("action", "/export/finish")
+      .attr("method", "post")
+      .appendTo($imageSection);
+
+    $("<div>")
+      .attr("class", "form-group form-check")
+      .appendTo($form)
+      .append(
+        $("<label>")
+          .attr("for", "image_filter")
+          .attr("class", "form-check-label")
+          .append(
+            $("<input>")
+              .attr("id", "image_filter")
+              .attr("type", "checkbox")
+              .attr("class", "form-check-input")
+              .bind("change", toggleFilter))
+          .append(I18n.t("javascripts.share.custom_dimensions")));
+
+    $("<div>")
+      .appendTo($form)
+      .append(
+        $("<label>")
+          .attr("for", "mapnik_format")
+          .text(I18n.t("javascripts.share.format")))
+      .append($("<select>")
+        .attr("name", "mapnik_format")
+        .attr("id", "mapnik_format")
+        .append($("<option>").val("png").text("PNG").prop("selected", true))
+        .append($("<option>").val("jpeg").text("JPEG"))
+        .append($("<option>").val("svg").text("SVG"))
+        .append($("<option>").val("pdf").text("PDF")));
+
+    $("<div>")
+      .appendTo($form)
+      .append($("<label>")
+        .attr("for", "mapnik_scale")
+        .text(I18n.t("javascripts.share.scale")))
+      .append("1 : ")
+      .append($("<input>")
+        .attr("name", "mapnik_scale")
+        .attr("id", "mapnik_scale")
+        .attr("type", "text")
+        .on("change", update));
+
+    ["minlon", "minlat", "maxlon", "maxlat"].forEach(function (name) {
+      $("<input>")
+        .attr("id", "mapnik_" + name)
+        .attr("name", name)
+        .attr("type", "hidden")
+        .appendTo($form);
+    });
+
+    $("<input>")
+      .attr("name", "format")
+      .attr("value", "mapnik")
+      .attr("type", "hidden")
+      .appendTo($form);

 
 

-    $('<ul>')
-      .appendTo($linkSection)
-      .append($('<li>')
-        .append($longLink = $('<a>')
-          .text(I18n.t('javascripts.share.long_link'))))
-      .append($('<li>')
-        .append($shortLink = $('<a>')
-          .text(I18n.t('javascripts.share.short_link'))));
+    var csrf_param = $("meta[name=csrf-param]").attr("content"),
+        csrf_token = $("meta[name=csrf-token]").attr("content");

 
 

-    map.on('moveend layeradd layerremove', update);
+    $("<input>")
+      .attr("name", csrf_param)
+      .attr("value", csrf_token)
+      .attr("type", "hidden")
+      .appendTo($form);
+
+    var args = {
+      width: "<span id=\"mapnik_image_width\"></span>",
+      height: "<span id=\"mapnik_image_height\"></span>"
+    };
+
+    $("<p>")
+      .attr("class", "text-muted")
+      .html(I18n.t("javascripts.share.image_dimensions", args))
+      .appendTo($form);
+
+    $("<input>")
+      .attr("type", "submit")
+      .attr("class", "btn btn-primary")
+      .attr("value", I18n.t("javascripts.share.download"))
+      .appendTo($form);
+
+    locationFilter
+      .on("change", update)
+      .addTo(map);
+
+    marker.on("dragend", movedMarker);
+    map.on("move", movedMap);
+    map.on("moveend layeradd layerremove", update);

 
     options.sidebar.addPane($ui);
 
 
     options.sidebar.addPane($ui);
 

+    $ui
+      .on("hide", hidden);
+
+    function hidden() {
+      map.removeLayer(marker);
+      map.options.scrollWheelZoom = map.options.doubleClickZoom = true;
+      locationFilter.disable();
+      update();
+    }
+

     function toggle(e) {
       e.stopPropagation();
       e.preventDefault();
     function toggle(e) {
       e.stopPropagation();
       e.preventDefault();

-      options.sidebar.togglePane($ui);
+
+      $("#mapnik_scale").val(getScale());
+      marker.setLatLng(map.getCenter());
+
+      update();
+      options.sidebar.togglePane($ui, button);
+      $(".leaflet-control .control-button").tooltip("hide");
+    }
+
+    function toggleMarker() {
+      if ($(this).is(":checked")) {
+        marker.setLatLng(map.getCenter());
+        map.addLayer(marker);
+        map.options.scrollWheelZoom = map.options.doubleClickZoom = "center";
+      } else {
+        map.removeLayer(marker);
+        map.options.scrollWheelZoom = map.options.doubleClickZoom = true;
+      }

       update();
     }
 
       update();
     }
 

+    function toggleFilter() {
+      if ($(this).is(":checked")) {
+        locationFilter.setBounds(map.getBounds().pad(-0.2));
+        locationFilter.enable();
+      } else {
+        locationFilter.disable();
+      }
+      update();
+    }
+
+    function movedMap() {
+      marker.setLatLng(map.getCenter());
+      update();
+    }
+
+    function movedMarker() {
+      if (map.hasLayer(marker)) {
+        map.off("move", movedMap);
+        map.on("moveend", updateOnce);
+        map.panTo(marker.getLatLng());
+      }
+    }
+
+    function updateOnce() {
+      map.off("moveend", updateOnce);
+      map.on("move", movedMap);
+      update();
+    }
+
+    function escapeHTML(string) {
+      var htmlEscapes = {
+        "&": "&amp;",
+        "<": "&lt;",
+        ">": "&gt;",
+        "\"": "&quot;",
+        "'": "&#x27;"
+      };
+      return string === null ? "" : String(string).replace(/[&<>"']/g, function (match) {
+        return htmlEscapes[match];
+      });
+    }
+

     function update() {
     function update() {

-      $shortLink.attr('href', options.getShortUrl(map));
-      $longLink.attr('href', options.getUrl(map));
+      var bounds = map.getBounds();
+
+      $("#link_marker")
+        .prop("checked", map.hasLayer(marker));
+
+      $("#image_filter")
+        .prop("checked", locationFilter.isEnabled());
+
+      // Link / Embed
+
+      $("#short_input").val(map.getShortUrl(marker));
+      $("#long_input").val(map.getUrl(marker));
+      $("#short_link").attr("href", map.getShortUrl(marker));
+      $("#long_link").attr("href", map.getUrl(marker));
+
+      var params = {
+        bbox: bounds.toBBoxString(),
+        layer: map.getMapBaseLayerId()
+      };
+
+      if (map.hasLayer(marker)) {
+        var latLng = marker.getLatLng().wrap();
+        params.marker = latLng.lat + "," + latLng.lng;
+      }
+
+      $("#embed_html").val(
+        "<iframe width=\"425\" height=\"350\" frameborder=\"0\" scrolling=\"no\" marginheight=\"0\" marginwidth=\"0\" src=\"" +
+          escapeHTML(OSM.SERVER_PROTOCOL + "://" + OSM.SERVER_URL + "/export/embed.html?" + $.param(params)) +
+          "\" style=\"border: 1px solid black\"></iframe><br/>" +
+          "<small><a href=\"" + escapeHTML(map.getUrl(marker)) + "\">" +
+          escapeHTML(I18n.t("javascripts.share.view_larger_map")) + "</a></small>");
+
+      // Geo URI
+
+      $("#geo_uri")
+        .attr("href", map.getGeoUri(marker))
+        .html(map.getGeoUri(marker));
+
+      // Image
+
+      if (locationFilter.isEnabled()) {
+        bounds = locationFilter.getBounds();
+      }
+
+      var scale = $("#mapnik_scale").val(),
+          size = L.bounds(L.CRS.EPSG3857.project(bounds.getSouthWest()),
+                          L.CRS.EPSG3857.project(bounds.getNorthEast())).getSize(),
+          maxScale = Math.floor(Math.sqrt(size.x * size.y / 0.3136));
+
+      $("#mapnik_minlon").val(bounds.getWest());
+      $("#mapnik_minlat").val(bounds.getSouth());
+      $("#mapnik_maxlon").val(bounds.getEast());
+      $("#mapnik_maxlat").val(bounds.getNorth());
+
+      if (scale < maxScale) {
+        scale = roundScale(maxScale);
+        $("#mapnik_scale").val(scale);
+      }
+
+      $("#mapnik_image_width").text(Math.round(size.x / scale / 0.00028));
+      $("#mapnik_image_height").text(Math.round(size.y / scale / 0.00028));
+
+      if (map.getMapBaseLayerId() === "mapnik") {
+        $("#export-image").show();
+        $("#export-warning").hide();
+      } else {
+        $("#export-image").hide();
+        $("#export-warning").show();
+      }

     }
 
     function select() {
       $(this).select();
     }
 
     }
 
     function select() {
       $(this).select();
     }
 

+    function getScale() {
+      var bounds = map.getBounds(),
+          centerLat = bounds.getCenter().lat,
+          halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
+          meters = halfWorldMeters * (bounds.getEast() - bounds.getWest()) / 180,
+          pixelsPerMeter = map.getSize().x / meters,
+          metersPerPixel = 1 / (92 * 39.3701);
+      return Math.round(1 / (pixelsPerMeter * metersPerPixel));
+    }
+
+    function roundScale(scale) {
+      var precision = 5 * Math.pow(10, Math.floor(Math.LOG10E * Math.log(scale)) - 2);
+      return precision * Math.ceil(scale / precision);
+    }
+

     return $container[0];
   };
 
     return $container[0];
   };