function initializeExport(map) {
- $("#exportanchor").click(function (e) {
- $.ajax({ url: $(this).data('url'), success: function (sidebarHtml) {
- startExport(sidebarHtml);
- }});
- e.preventDefault();
- });
-
if (window.location.pathname == "/export") {
- $("#exportanchor").click();
+ startExport();
}
- function startExport(sidebarHtml) {
- var marker;
-
+ function startExport() {
var locationFilter = new L.LocationFilter({
enableButton: false,
adjustButton: false
}).addTo(map);
- locationFilter.on("change", filterChanged);
+ locationFilter.on("change", update);
- map.on("moveend", mapMoved);
- map.on("baselayerchange", htmlUrlChanged);
+ map.on("moveend", update);
$("#sidebar_title").html(I18n.t('export.start_rjs.export'));
- $("#sidebar_content").html(sidebarHtml);
$("#maxlat,#minlon,#maxlon,#minlat").change(boundsChanged);
$("#drag_box").click(enableFilter);
- $("#add_marker").click(startMarker);
-
- $("#format_osm,#format_mapnik,#format_html").click(formatChanged);
-
- $("#mapnik_scale").change(mapnikSizeChanged);
-
openSidebar();
- if (map.getMapBaseLayerId() == "mapnik") {
- $("#format_mapnik").prop("checked", true);
- }
-
setBounds(map.getBounds());
- formatChanged();
-
- $("body").removeClass("site-index").addClass("site-export");
$("#sidebar").one("closed", function () {
- $("body").removeClass("site-export").addClass("site-index");
-
map.removeLayer(locationFilter);
- clearMarker();
-
- map.off("moveend", mapMoved);
- map.off("baselayerchange", htmlUrlChanged);
- locationFilter.off("change", filterChanged);
+ map.off("moveend", update);
+ locationFilter.off("change", update);
});
function getBounds() {
L.latLng($("#maxlat").val(), $("#maxlon").val()));
}
- 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 getMercatorBounds() {
- var bounds = getBounds();
- return L.bounds(L.CRS.EPSG3857.project(bounds.getSouthWest()),
- L.CRS.EPSG3857.project(bounds.getNorthEast()));
- }
-
function boundsChanged() {
var bounds = getBounds();
enableFilter();
validateControls();
- mapnikSizeChanged();
}
function enableFilter() {
locationFilter.enable();
}
- function filterChanged() {
- setBounds(locationFilter.getBounds());
+ function update() {
+ setBounds(locationFilter.isEnabled() ? locationFilter.getBounds() : map.getBounds());
validateControls();
}
- function startMarker() {
- $("#add_marker").html(I18n.t('export.start_rjs.click_add_marker'));
-
- map.on("click", endMarker);
-
- return false;
- }
-
- function endMarker(event) {
- map.off("click", endMarker);
-
- $("#add_marker").html(I18n.t('export.start_rjs.change_marker'));
- $("#marker_inputs").show();
-
- var latlng = event.latlng;
-
- if (marker) {
- map.removeLayer(marker);
- }
-
- marker = L.marker(latlng).addTo(map);
-
- $("#marker_lon").val(latlng.lng.toFixed(5));
- $("#marker_lat").val(latlng.lat.toFixed(5));
-
- htmlUrlChanged();
- }
-
- function clearMarker() {
- $("#marker_lon,#marker_lat").val("");
- $("#marker_inputs").hide();
- $("#add_marker").html(I18n.t('export.start_rjs.add_marker'));
-
- if (marker) {
- map.removeLayer(marker);
- }
- }
-
- function mapMoved() {
- if (!locationFilter.isEnabled()) {
- setBounds(map.getBounds());
- validateControls();
- }
- }
-
function setBounds(bounds) {
- var toPrecision = zoomPrecision(map.getZoom());
-
- $("#minlon").val(toPrecision(bounds.getWest()));
- $("#minlat").val(toPrecision(bounds.getSouth()));
- $("#maxlon").val(toPrecision(bounds.getEast()));
- $("#maxlat").val(toPrecision(bounds.getNorth()));
-
- mapnikSizeChanged();
- htmlUrlChanged();
+ 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 = getBounds();
-
- var tooLarge = bounds.getSize() > OSM.MAX_REQUEST_AREA;
- if (tooLarge) {
- $("#export_osm_too_large").show();
- } else {
- $("#export_osm_too_large").hide();
- }
-
- var max_scale = maxMapnikScale();
- var disabled = true;
-
- if ($("#format_osm").prop("checked")) {
- disabled = tooLarge;
- } else if ($("#format_mapnik").prop("checked")) {
- disabled = $("#mapnik_scale").val() < max_scale;
- }
-
- $("#export_commit").prop("disabled", disabled);
- $("#mapnik_max_scale").html(roundScale(max_scale));
- }
-
- function htmlUrlChanged() {
- var bounds = getBounds();
- var layerName = map.getMapBaseLayerId();
-
- var url = "http://" + OSM.SERVER_URL + "/export/embed.html?bbox=" + bounds.toBBoxString() + "&layer=" + layerName;
- var markerUrl = "";
-
- if ($("#marker_lat").val() && $("#marker_lon").val()) {
- markerUrl = "&mlat=" + $("#marker_lat").val() + "&mlon=" + $("#marker_lon").val();
- url += "&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.getCenter();
-
- var zoom = map.getBoundsZoom(bounds);
-
- var layers = getMapLayers(map);
-
- 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+'&lon='+center.lng+'&zoom='+zoom+'&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(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 {
- $("#export_html").hide();
-
- clearMarker();
- }
-
- validateControls();
- }
-
- function maxMapnikScale() {
- var size = getMercatorBounds().getSize();
-
- return Math.floor(Math.sqrt(size.x * size.y / 0.3136));
- }
-
- function mapnikImageSize(scale) {
- var size = getMercatorBounds().getSize();
-
- return {w: Math.round(size.x / scale / 0.00028),
- h: Math.round(size.y / scale / 0.00028)};
- }
-
- function roundScale(scale) {
- var precision = 5 * Math.pow(10, Math.floor(Math.LOG10E * Math.log(scale)) - 2);
-
- return precision * Math.ceil(scale / precision);
- }
-
- function mapnikSizeChanged() {
- var size = mapnikImageSize($("#mapnik_scale").val());
-
- $("#mapnik_image_width").html(size.w);
- $("#mapnik_image_height").html(size.h);
-
- validateControls();
+ $("#export_osm_too_large").toggle(getBounds().getSize() > OSM.MAX_REQUEST_AREA);
}
}
}
projects / rails.git / blobdiff