gazetteer/gazetteer/static/js/gazetteer.js
2011-08-31 19:41:59 +05:30

85 lines
3.1 KiB
JavaScript

$(function() {
$('.mapListSection').css({'opacity': 0});
map = new OpenLayers.Map('map', {});
var baseLayer = new OpenLayers.Layer.OSM( "Openstreetmap Base Layer");
// map.addLayer(baseLayer);
var geojson_format = new OpenLayers.Format.GeoJSON();
var jsonLayer = new OpenLayers.Layer.Vector();
map.addLayers([baseLayer, jsonLayer]);
var center = new OpenLayers.LonLat(-95, 37.5).transform(
new OpenLayers.Projection("EPSG:4326"),
map.getProjectionObject()
);
map.setCenter(center, 4);
$('#searchForm').submit(function(e) {
if ($('.mapListSection').css("opacity") == '0') {
$('.mapListSection').animate({'opacity': '1'}, 500);
}
e.preventDefault();
var bbox = map.getExtent().toBBOX();
var search_term = $('#searchField').val();
$('#searchField').addClass("loading");
$('#searchTerm').text(search_term);
$('#searchField').attr("disabled", "disabled");
$('#mapList tbody').empty();
$.getJSON("/feature/search.json", {
'bbox': bbox,
'q': search_term,
'srid': 3785,
'threshold': 0.5,
'count': 20
}, function(features) {
if (features.hasOwnProperty("error") && features.error != '') {
alert(features.error);
return;
}
$('#noOfResults').text(features.results);
$('#currPageNo').text(features.current_page);
$('#totalPages').text(features.pages);
$('#searchField').removeAttr("disabled");
$('#searchField').removeClass("loading");
// var headerRow = getHeaderRow();
// console.log(response);
var currFeatures = jsonLayer.features;
jsonLayer.removeFeatures(currFeatures);
jsonLayer.addFeatures(geojson_format.read(features));
for (var i=0; i<features.features.length;i++) {
var f = features.features[i];
var props = f.properties;
var listItem = getRow(props);
$('#mapList tbody').append(listItem);
}
});
});
});
function getRow(props) {
var $tr = $('<tr />');
var $one = $('<td />').appendTo($tr);
var $a = $('<a />').attr("href", "/admin/places/feature/" + props.id).text(props.preferred_name).appendTo($one);
// var $a2 = $('<a />').addClass("viewSimilar").attr("target", "_blank").attr("href", "/search_related?id=" + props.id).text("view similar").appendTo($one);
$('<td />').text(props.feature_type).appendTo($tr);
$('<td />').text(props.admin2).appendTo($tr);
$('<td />').text(props.admin1).appendTo($tr);
return $tr;
}
/*
function getLi(props) {
var $li = $('<li />').addClass("mapListItem").attr("data-id", props.id);
var $a = $('<a />').attr("target", "_blank").attr("href", "/admin/places/feature/" + props.id).text(props.preferred_name).appendTo($li);
return $li;
}
function getHeaderRow() {
var heads = ['Preferred Name', 'Feature Type', 'State', 'County']
var $thead = $('<thead />');
}
*/