+var Nominatim = (function() {
+ var presubmit = function() {
+ var input = $("nominatim-search");
+ if (input.value.strip().empty()) {
+ $("nominatim-message").setMessage(SyjStrings.notEmptyField, "warn");
+ input.activate();
+ return false;
+ }
+ $("nominatim-suggestions").hide();
+ $("nominatim-message").hide();
+ $("nominatim-throbber").show();
+ return true;
+ };
+
+ var zoomToExtent = function(bounds) { // we must call map.setCenter with forceZoomChange to true. See ol#2798
+ var center = bounds.getCenterLonLat();
+ if (this.baseLayer.wrapDateLine) {
+ var maxExtent = this.getMaxExtent();
+ bounds = bounds.clone();
+ while (bounds.right < bounds.left) {
+ bounds.right += maxExtent.getWidth();
+ }
+ center = bounds.getCenterLonLat().wrapDateLine(maxExtent);
+ }
+ this.setCenter(center, this.getZoomForExtent(bounds), false, true);
+ }
+
+ var success = function(transport) {
+ $("nominatim-throbber").hide();
+
+ if (!transport.responseJSON || !transport.responseJSON.length) {
+ $("nominatim-message").setMessage(SyjStrings.noResult, 'error');
+ $("nominatim-search").activate();
+ return;
+ }
+
+ var place = transport.responseJSON[0],
+ bbox = place.boundingbox;
+
+ if (!bbox || bbox.length !== 4) {
+ $("nominatim-message").setMessage(SyjStrings.requestError, 'error');
+ return;
+ }
+
+ extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
+ zoomToExtent.call(SYJView.map, extent);
+
+ $("nominatim-suggestions-list").update();
+
+ var clickhandler = function(bbox) {
+ return function(evt) {
+ evt.stop();
+ var extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
+ $("nominatim-suggestions-list").select("li").invoke('removeClassName', 'current');
+ evt.target.up('li').addClassName('current');
+ SYJView.map.zoomToExtent(extent);
+ };
+ };
+
+ for (var i = 0; i < transport.responseJSON.length; i++) {
+ var item = transport.responseJSON[i];
+ if (item.display_name && item.boundingbox && item.boundingbox.length === 4) {
+ var li = new Element("li");
+ var anchor = new Element("a", {
+ href: "",
+ className: "nominatim-suggestions-link"
+ });
+
+ anchor.observe('click', clickhandler(item.boundingbox));
+
+ var text = document.createTextNode(item.display_name);
+ var icon = new Element("img", {
+ className: "nominatim-suggestions-icon",
+ src: item.icon || 'icons/world.png'
+ });
+ anchor.appendChild(text); // insert does not work; see prototype #1125
+ li.insert(icon).insert(anchor);
+ $("nominatim-suggestions-list").insert(li);
+ if ($("nominatim-suggestions-list").childNodes.length >= 6) {
+ break;
+ }
+ }
+ }
+
+ if ($("nominatim-suggestions-list").childNodes.length > 1) {
+ $("nominatim-suggestions").show();
+ $("nominatim-suggestions-list").select("li:first-child")[0].addClassName('current');
+ } else {
+ $("nominatim-suggestions").hide();
+ }
+
+ };
+
+ var failure = function(transport) {
+ $("nominatim-throbber").hide();
+
+ var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
+
+ if (transport) {
+ httpCode = transport.getStatus();
+ }
+
+ switch (httpCode) {
+ case 0:
+ message = SyjStrings.notReachedError;
+ break;
+ case 400:
+ case 404:
+ message = SyjStrings.requestError;
+ break;
+ case 500:
+ message = SyjStrings.serverError;
+ break;
+ }
+
+ $("nominatim-message").setMessage(message, 'error');
+ };
+
+ return {
+ init: function() {
+ if (!$("nominatim-form")) {
+ return;
+ }
+ $("nominatim-controls").hide();
+ $("nominatim-label").observe('click', function(evt) {
+ $("nominatim-controls").show();
+ $("nominatim-search").activate();
+ evt.stop();
+ });
+
+ $("nominatim-form").ajaxize({
+ presubmit: presubmit,
+ onSuccess: success,
+ onFailure: failure
+ });
+ new CloseBtn($("nominatim-suggestions"));
+
+ $$("#nominatim-message, #nominatim-suggestions, #nominatim-throbber").invoke('hide');
+ }
+ };
+}());
projects / syj.git / commitdiff
