--- /dev/null
+var vectors;
+var box;
+var markerLayer;
+var markerControl;
+
+function startExport() {
+ vectors = new OpenLayers.Layer.Vector("Vector Layer", {
+ displayInLayerSwitcher: false
+ });
+ map.addLayer(vectors);
+
+ 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);
+
+ map.events.register("moveend", map, mapMoved);
+ map.events.register("changebaselayer", map, htmlUrlChanged);
+
+ $("#sidebar_title").html("<%=j t 'export.start_rjs.export' %>");
+ $("#sidebar_content").html("<%=j render :partial => "sidebar" %>");
+
+ $("#maxlat").change(boundsChanged);
+ $("#minlon").change(boundsChanged);
+ $("#maxlon").change(boundsChanged);
+ $("#minlat").change(boundsChanged);
+
+ $("#drag_box").click(startDrag);
+
+ $("#add_marker").click(startMarker);
+
+ $("#format_osm").click(formatChanged);
+ $("#format_mapnik").click(formatChanged);
+ $("#format_osmarender").click(formatChanged);
+ $("#format_html").click(formatChanged);
+
+ $("#mapnik_scale").change(mapnikSizeChanged);
+
+ openSidebar({ onclose: stopExport });
+
+ if (map.baseLayer.name == "Mapnik") {
+ $("#format_mapnik").prop("checked", true);
+ } else if (map.baseLayer.name == "Osmarender") {
+ $("#format_osmarender").prop("checked", true);
+ }
+
+ formatChanged();
+ setBounds(map.getExtent());
+
+ $("#viewanchor").removeClass("active");
+ $("#exportanchor").addClass("active");
+}
+
+function stopExport() {
+ $("#viewanchor").addClass("active");
+ $("#exportanchor").removeClass("active");
+
+ clearBox();
+ clearMarker();
+ map.events.unregister("moveend", map, mapMoved);
+ map.events.unregister("changebaselayer", map, htmlUrlChanged);
+ map.removeLayer(vectors);
+}
+
+function boundsChanged() {
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(),
+ $("#maxlon").val(), $("#maxlat").val());
+
+ bounds.transform(epsg4326, map.getProjectionObject());
+
+ map.events.unregister("moveend", map, mapMoved);
+ map.zoomToExtent(bounds);
+
+ clearBox();
+ drawBox(bounds);
+
+ validateControls();
+ mapnikSizeChanged();
+}
+
+function startDrag() {
+ $("#drag_box").html("<%=j t 'export.start_rjs.drag_a_box' %>");
+
+ clearBox();
+ box.activate();
+};
+
+function endDrag(bbox) {
+ var bounds = bbox.getBounds();
+
+ map.events.unregister("moveend", map, mapMoved);
+ setBounds(bounds);
+ drawBox(bounds);
+ box.deactivate();
+ validateControls();
+
+ $("#drag_box").html("<%=j t 'export.start_rjs.manually_select' %>");
+}
+
+function startMarker() {
+ $("#add_marker").html("<%=j t 'export.start_rjs.click_add_marker' %>");
+
+ if (!markerLayer) {
+ markerLayer = new OpenLayers.Layer.Vector("",{
+ displayInLayerSwitcher: false,
+ style: {
+ externalGraphic: OpenLayers.Util.getImagesLocation() + "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 });
+ }
+
+ markerLayer.destroyFeatures();
+ markerControl.activate();
+
+ return false;
+}
+
+function endMarker(event) {
+ markerControl.deactivate();
+
+ $("#add_marker").html("<%=j t 'export.start_rjs.change_marker' %>");
+ $("#marker_inputs").show();
+
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var epsg900913 = new OpenLayers.Projection("EPSG:900913");
+ 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").val("");
+ $("#marker_lat").val("");
+ $("#marker_inputs").hide();
+ $("#add_marker").html("<%=j t 'export.start_rjs.add_marker' %>");
+
+ if (markerLayer) {
+ markerControl.destroy();
+ markerLayer.destroy();
+ markerLayer = null;
+ markerControl = null;
+ }
+}
+
+function mapMoved() {
+ setBounds(map.getExtent());
+ validateControls();
+}
+
+function setBounds(bounds) {
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var decimals = Math.pow(10, Math.floor(map.getZoom() / 3));
+
+ bounds = bounds.clone().transform(map.getProjectionObject(), epsg4326);
+
+ $("#minlon").val(Math.round(bounds.left * decimals) / decimals);
+ $("#minlat").val(Math.round(bounds.bottom * decimals) / decimals);
+ $("#maxlon").val(Math.round(bounds.right * decimals) / decimals);
+ $("#maxlat").val(Math.round(bounds.top * decimals) / decimals);
+
+ mapnikSizeChanged();
+ htmlUrlChanged();
+}
+
+function clearBox() {
+ vectors.destroyFeatures();
+}
+
+function drawBox(bounds) {
+ var feature = new OpenLayers.Feature.Vector(bounds.toGeometry());
+
+ vectors.addFeatures(feature);
+}
+
+function validateControls() {
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
+
+ if (bounds.getWidth() * bounds.getHeight() > <%= MAX_REQUEST_AREA %>) {
+ $("#export_osm_too_large").show();
+ } else {
+ $("#export_osm_too_large").hide();
+ }
+
+ var max_scale = maxMapnikScale();
+
+ if ($("#format_osm").prop("checked") && bounds.getWidth() * bounds.getHeight() > <%= MAX_REQUEST_AREA %>) {
+ $("#export_commit").prop("disabled", true);
+ } else if ($("#format_mapnik").prop("checked") && $("#mapnik_scale").val() < max_scale) {
+ $("#export_commit").prop("disabled", true);
+ } else {
+ $("#export_commit").prop("disabled", false);
+ }
+
+ $("#mapnik_max_scale").html(roundScale(max_scale));
+
+ var max_zoom = maxOsmarenderZoom();
+
+ $("#osmarender_zoom option").each(function () {
+ if ($(this).val() > max_zoom) {
+ $(this).prop("disabled", true);
+ } else {
+ $(this).prop("disabled", false);
+ }
+ });
+
+ if ($("#osmarender_zoom option").is(":disabled:selected")) {
+ $("#osmarender_zoom option").filter(":enabled").last().prop("selected", true);
+ }
+}
+
+function htmlUrlChanged() {
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
+ var layerName = map.baseLayer.keyid;
+ var url = "http://<%= SERVER_URL %>/export/embed.html?bbox=" + bounds.toBBOX() + "&layer=" + layerName;
+ var markerUrl = "";
+
+ if ($("#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.getCenterLonLat();
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var epsg900913 = new OpenLayers.Projection("EPSG:900913");
+
+ bounds.transform(epsg4326, epsg900913);
+ var zoom = map.getZoomForExtent(bounds);
+
+ var layers = getMapLayers();
+
+ html += '<br /><small><a href="http://<%= SERVER_URL %>/?lat='+center.lat+'&lon='+center.lon+'&zoom='+zoom+'&layers='+layers+markerUrl+'">'+"<%= html_escape_unicode(I18n.t('export.start_rjs.view_larger_map')) %>"+'</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();
+ } else {
+ $("#export_mapnik").hide();
+ }
+
+ if ($("#format_osmarender").prop("checked")) {
+ var zoom = Math.min(map.getZoom(), maxOsmarenderZoom());
+
+ $("#osmarender_zoom option[value=" + zoom + "]").prop("selected", true);
+ $("#export_osmarender").show();
+ } else {
+ $("#export_osmarender").hide();
+ }
+
+ if ($("#format_html").prop("checked")) {
+ $("#export_html").show();
+ $("#export_commit").hide();
+ $("#export_html_text").prop("selected", true);
+ } else {
+ $("#export_html").hide();
+
+ clearMarker();
+ }
+
+ validateControls();
+}
+
+function maxMapnikScale() {
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var epsg900913 = new OpenLayers.Projection("EPSG:900913");
+
+ bounds.transform(epsg4326, epsg900913);
+
+ return Math.floor(Math.sqrt(bounds.getWidth() * bounds.getHeight() / 0.3136));
+}
+
+function mapnikImageSize(scale) {
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
+ var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+ var epsg900913 = new OpenLayers.Projection("EPSG:900913");
+
+ bounds.transform(epsg4326, epsg900913);
+
+ return new OpenLayers.Size(Math.round(bounds.getWidth() / scale / 0.00028),
+ Math.round(bounds.getHeight() / scale / 0.00028));
+}
+
+function maxOsmarenderZoom() {
+ var bounds = new OpenLayers.Bounds($("#minlon").val(), $("#minlat").val(), $("#maxlon").val(), $("#maxlat").val());
+ var xzoom = Math.LOG2E * Math.log(2000 * 1.40625 / bounds.getWidth());
+ var ymin = bounds.bottom * Math.PI / 180;
+ var ymax = bounds.top * Math.PI / 180;
+ var yzoom = Math.LOG2E * (Math.log(2000 * 2 * Math.PI) - Math.log(Math.log((Math.tan(ymax) + 1 / Math.cos(ymax)) / (Math.tan(ymin) + 1 / Math.cos(ymin)))))
+
+ return Math.min(Math.floor(Math.min(xzoom, yzoom)), 17);
+}
+
+function roundScale(scale) {
+ var precision = 5 * Math.pow(10, Math.floor(Math.LOG10E * Math.log(scale)) - 2);
+
+ return precision * Math.ceil(scale / precision);
+}
+
+function mapnikSizeChanged() {
+ var size = mapnikImageSize($("#mapnik_scale").val());
+
+ $("#mapnik_image_width").html(size.w);
+ $("#mapnik_image_height").html(size.h);
+
+ validateControls();
+}
+
+startExport();
projects / rails.git / blobdiff