X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/87e8cf3b5860509c0344cb34ee939ae73ea99c00..c798962cda8ede6425ce56c59533bc476180a830:/app/assets/javascripts/index/export.js

diff --git a/app/assets/javascripts/index/export.js b/app/assets/javascripts/index/export.js
index ae1871b50..02dcdd440 100644
--- a/app/assets/javascripts/index/export.js
+++ b/app/assets/javascripts/index/export.js
@@ -1,318 +1,78 @@
-function startExport(sidebarHtml) {
-  var vectors,
-      box,
-      transform,
-      markerLayer,
-      markerControl,
-      epsg4326 = new OpenLayers.Projection("EPSG:4326"),
-      epsg900913 = new OpenLayers.Projection("EPSG:900913");
+OSM.Export = function(map) {
+  var page = {};
 
-  vectors = new OpenLayers.Layer.Vector("Vector Layer", {
-    displayInLayerSwitcher: false
-  });
-  map.addLayer(vectors);
+  var locationFilter = new L.LocationFilter({
+    enableButton: false,
+    adjustButton: false
+  }).on("change", update);
 
-  box = new OpenLayers.Control.DrawFeature(vectors, OpenLayers.Handler.RegularPolygon, {
-    handlerOptions: {
-      sides: 4,
-      snapAngle: 90,
-      irregular: true,
-      persist: true
-    }
-  });
-  box.handler.callbacks.done = endDrag;
-  map.addControl(box);
-
-  transform = new OpenLayers.Control.TransformFeature(vectors, {
-    rotate: false,
-    irregular: true
-  });
-  transform.events.register("transformcomplete", transform, transformComplete);
-  map.addControl(transform);
-
-  map.events.register("moveend", map, mapMoved);
-  map.events.register("changebaselayer", map, htmlUrlChanged);
-
-  $("#sidebar_title").html(I18n.t('export.start_rjs.export'));
-  $("#sidebar_content").html(sidebarHtml);
-
-  $("#maxlat,#minlon,#maxlon,#minlat").change(boundsChanged);
-
-  $("#drag_box").click(startDrag);
-
-  $("#add_marker").click(startMarker);
-
-  $("#format_osm,#format_mapnik,#format_html").click(formatChanged);
-
-  $("#mapnik_scale").change(mapnikSizeChanged);
-
-  openSidebar();
-
-  if (map.baseLayer.name == "Mapnik") {
-    $("#format_mapnik").prop("checked", true);
-  }
-
-  formatChanged();
-  setBounds(map.getExtent());
-
-  $("body").removeClass("site-index").addClass("site-export");
-
-  $("#sidebar").one("closed", function () {
-    $("body").removeClass("site-export").addClass("site-index");
-
-    clearBox();
-    clearMarker();
-    map.events.unregister("moveend", map, mapMoved);
-    map.events.unregister("changebaselayer", map, htmlUrlChanged);
-    map.removeLayer(vectors);
-  });
-
-  function getMercatorBounds() {
-    var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(),
-                                       $("#maxlon").val(), $("#maxlat").val());
-
-    return bounds.transform(epsg4326, epsg900913);
+  function getBounds() {
+    return L.latLngBounds(
+      L.latLng($("#minlat").val(), $("#minlon").val()),
+      L.latLng($("#maxlat").val(), $("#maxlon").val()));
   }
 
   function boundsChanged() {
-    var bounds = getMercatorBounds();
-
-    map.events.unregister("moveend", map, mapMoved);
-    map.zoomToExtent(bounds);
-
-    clearBox();
-    drawBox(bounds);
-
-    validateControls();
-    mapnikSizeChanged();
-  }
-
-  function startDrag() {
-    $("#drag_box").html(I18n.t('export.start_rjs.drag_a_box'));
-
-    clearBox();
-    box.activate();
-  };
+    var bounds = getBounds();
 
-  function endDrag(bbox) {
-    var bounds = bbox.getBounds();
+    map.fitBounds(bounds);
+    locationFilter.setBounds(bounds);
 
-    map.events.unregister("moveend", map, mapMoved);
-    setBounds(bounds);
-    drawBox(bounds);
-    box.deactivate();
+    enableFilter();
     validateControls();
-
-    $("#drag_box").html(I18n.t('export.start_rjs.manually_select'));
   }
 
-  function transformComplete(event) {
-    setBounds(event.feature.geometry.bounds);
-    validateControls();
-  }
-
-  function startMarker() {
-    $("#add_marker").html(I18n.t('export.start_rjs.click_add_marker'));
-
-    if (!markerLayer) {
-      markerLayer = new OpenLayers.Layer.Vector("",{
-        displayInLayerSwitcher: false,
-        style: {
-          externalGraphic: OpenLayers.Util.getImageLocation("marker.png"),
-          graphicXOffset: -10.5,
-          graphicYOffset: -25,
-          graphicWidth: 21,
-          graphicHeight: 25
-        }
-      });
-      map.addLayer(markerLayer);
-
-      markerControl = new OpenLayers.Control.DrawFeature(markerLayer, OpenLayers.Handler.Point);
-      map.addControl(markerControl);
-
-      markerLayer.events.on({ "featureadded": endMarker });
-    }
+  function enableFilter(e) {
+    e.preventDefault();
 
-    markerLayer.destroyFeatures();
-    markerControl.activate();
+    $("#drag_box").hide();
 
-    return false;
+    locationFilter.setBounds(map.getBounds().pad(-0.2));
+    locationFilter.enable();
   }
 
-  function endMarker(event) {
-    markerControl.deactivate();
-
-    $("#add_marker").html(I18n.t('export.start_rjs.change_marker'));
-    $("#marker_inputs").show();
-
-    var geom = event.feature.geometry.clone().transform(epsg900913, epsg4326);
-
-    $("#marker_lon").val(geom.x.toFixed(5));
-    $("#marker_lat").val(geom.y.toFixed(5));
-
-    htmlUrlChanged();
-  }
-
-  function clearMarker() {
-    $("#marker_lon,#marker_lat").val("");
-    $("#marker_inputs").hide();
-    $("#add_marker").html(I18n.t('export.start_rjs.add_marker'));
-
-    if (markerLayer) {
-      markerControl.destroy();
-      markerLayer.destroy();
-      markerLayer = null;
-      markerControl = null;
-    }
-  }
-
-  function mapMoved() {
-    setBounds(map.getExtent());
+  function update() {
+    setBounds(locationFilter.isEnabled() ? locationFilter.getBounds() : map.getBounds());
     validateControls();
   }
 
   function setBounds(bounds) {
-    var toPrecision = zoomPrecision(map.getZoom());
-
-    bounds = bounds.clone().transform(map.getProjectionObject(), epsg4326);
-
-    $("#minlon").val(toPrecision(bounds.left));
-    $("#minlat").val(toPrecision(bounds.bottom));
-    $("#maxlon").val(toPrecision(bounds.right));
-    $("#maxlat").val(toPrecision(bounds.top));
-
-    mapnikSizeChanged();
-    htmlUrlChanged();
-  }
-
-  function clearBox() {
-    transform.deactivate();
-    vectors.destroyFeatures();
-  }
-
-  function drawBox(bounds) {
-    var feature = new OpenLayers.Feature.Vector(bounds.toGeometry());
-
-    vectors.addFeatures(feature);
-    transform.setFeature(feature);
+    var precision = zoomPrecision(map.getZoom());
+    $("#minlon").val(bounds.getWest().toFixed(precision));
+    $("#minlat").val(bounds.getSouth().toFixed(precision));
+    $("#maxlon").val(bounds.getEast().toFixed(precision));
+    $("#maxlat").val(bounds.getNorth().toFixed(precision));
   }
 
   function validateControls() {
-    var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
-
-    if (bounds.getWidth() * bounds.getHeight() > OSM.MAX_REQUEST_AREA) {
-      $("#export_osm_too_large").show();
-    } else {
-      $("#export_osm_too_large").hide();
-    }
-
-    var max_scale = maxMapnikScale();
-    var disabled = true;
-
-    if ($("#format_osm").prop("checked")) {
-      disabled = bounds.getWidth() * bounds.getHeight() > OSM.MAX_REQUEST_AREA;
-    } else if ($("#format_mapnik").prop("checked")) {
-      disabled = $("#mapnik_scale").val() < max_scale;
-    }
-
-    $("#export_commit").prop("disabled", disabled);
-    $("#mapnik_max_scale").html(roundScale(max_scale));
-  }
-
-  function htmlUrlChanged() {
-    var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
-    var layerName = map.baseLayer.keyid;
-    var url = "http://" + OSM.SERVER_URL + "/export/embed.html?bbox=" + bounds.toBBOX() + "&amp;layer=" + layerName;
-    var markerUrl = "";
-
-    if ($("#marker_lat").val() && $("#marker_lon").val()) {
-      markerUrl = "&amp;mlat=" + $("#marker_lat").val() + "&amp;mlon=" + $("#marker_lon").val();
-      url += "&amp;marker=" + $("#marker_lat").val() + "," + $("#marker_lon").val();
-    }
-
-    var html = '<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="'+url+'" style="border: 1px solid black"></iframe>';
-
-    // Create "larger map" link
-    var center = bounds.getCenterLonLat();
-
-    bounds.transform(epsg4326, epsg900913);
-    var zoom = map.getZoomForExtent(bounds);
-
-    var layers = getMapLayers();
-
-    var text = I18n.t('export.start_rjs.view_larger_map');
-    var escaped = [];
-
-    for (var i = 0; i < text.length; ++i) {
-      var c = text.charCodeAt(i);
-      escaped.push(c < 127 ? text.charAt(i) : "&#" + c + ";");
-    }
-
-    html += '<br /><small><a href="http://' + OSM.SERVER_URL + '/?lat='+center.lat+'&amp;lon='+center.lon+'&amp;zoom='+zoom+'&amp;layers='+layers+markerUrl+'">'+escaped.join("")+'</a></small>';
-
-    $("#export_html_text").val(html);
-
-    if ($("#format_html").prop("checked")) {
-      $("#export_html_text").prop("selected", true);
-    }
-  }
-
-  function formatChanged() {
-    $("#export_commit").show();
-
-    if ($("#format_osm").prop("checked")) {
-      $("#export_osm").show();
-    } else {
-      $("#export_osm").hide();
-    }
-
-    if ($("#format_mapnik").prop("checked")) {
-      $("#mapnik_scale").val(roundScale(map.getScale()));
-      $("#export_mapnik").show();
-
-      mapnikSizeChanged();
-    } else {
-      $("#export_mapnik").hide();
-    }
-
-    if ($("#format_html").prop("checked")) {
-      $("#export_html").show();
-      $("#export_commit").hide();
-      $("#export_html_text").prop("selected", true);
-    } else {
-      $("#export_html").hide();
-
-      clearMarker();
-    }
-
-    validateControls();
+    $("#export_osm_too_large").toggle(getBounds().getSize() > OSM.MAX_REQUEST_AREA);
   }
 
-  function maxMapnikScale() {
-    var bounds = getMercatorBounds();
-
-    return Math.floor(Math.sqrt(bounds.getWidth() * bounds.getHeight() / 0.3136));
-  }
-
-  function mapnikImageSize(scale) {
-    var bounds = getMercatorBounds();
+  page.pushstate = page.popstate = function(path) {
+    $("#export_tab").addClass("current");
+    $("#sidebar").removeClass("minimized");
+    map.invalidateSize();
+    $('#sidebar_content').load(path, page.load);
+  };
 
-    return new OpenLayers.Size(Math.round(bounds.getWidth() / scale / 0.00028),
-                               Math.round(bounds.getHeight() / scale / 0.00028));
-  }
+  page.load = function() {
+    map
+      .addLayer(locationFilter)
+      .on("moveend", update);
 
-  function roundScale(scale) {
-    var precision = 5 * Math.pow(10, Math.floor(Math.LOG10E * Math.log(scale)) - 2);
+    $("#maxlat, #minlon, #maxlon, #minlat").change(boundsChanged);
+    $("#drag_box").click(enableFilter);
 
-    return precision * Math.ceil(scale / precision);
-  }
+    update();
+  };
 
-  function mapnikSizeChanged() {
-    var size = mapnikImageSize($("#mapnik_scale").val());
+  page.unload = function() {
+    map
+      .removeLayer(locationFilter)
+      .off("moveend", update);
 
-    $("#mapnik_image_width").html(size.w);
-    $("#mapnik_image_height").html(size.h);
+    $("#export_tab").removeClass("current");
+  };
 
-    validateControls();
-  }
-}
+  return page;
+};