openstreetmap-website/app/views/changeset/_map.html.erb

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<%= javascript_include_tag '/openlayers/OpenLayers.js' %>
<%= javascript_include_tag '/openlayers/OpenStreetMap.js' %>
<%= javascript_include_tag 'map.js' %>
<div id="changeset_list_map">
</div>
<script type="text/javascript">
OpenLayers.Lang.setCode("<%= I18n.locale.to_s %>");
var highlight;
function highlightChangeset(id) {
var feature = vectors.getFeatureByFid(id);
var bounds = feature.geometry.getBounds();
if (bounds.containsBounds(map.getExtent())) {
bounds = map.getExtent().scale(1.1);
}
if (highlight) vectors.removeFeatures(highlight);
highlight = new OpenLayers.Feature.Vector(bounds.toGeometry(), {}, {
strokeWidth: 2,
strokeColor: "#ee9900",
fillColor: "#ffff55",
fillOpacity: 0.5
});
vectors.addFeatures(highlight);
$("tr-changeset-" + id).addClassName("selected");
}
function unHighlightChangeset(id) {
vectors.removeFeatures(highlight);
$("tr-changeset-" + id).removeClassName("selected");
}
function init() {
var map = createMap("changeset_list_map", {
controls: [
new OpenLayers.Control.Navigation(),
new OpenLayers.Control.PanZoom(),
new OpenLayers.Control.PanZoomBar()
]
});
var bounds = new OpenLayers.Bounds();
<% @edits.each do |edit| %>
<% if edit.has_valid_bbox? %>
var minlon = <%= edit.min_lon / GeoRecord::SCALE.to_f %>;
var minlat = <%= edit.min_lat / GeoRecord::SCALE.to_f %>;
var maxlon = <%= edit.max_lon / GeoRecord::SCALE.to_f %>;
var maxlat = <%= edit.max_lat / GeoRecord::SCALE.to_f %>;
var bbox = new OpenLayers.Bounds(minlon, minlat, maxlon, maxlat);
bounds.extend(bbox);
addBoxToMap(bbox, "<%= edit.id %>", true);
<% end %>
<% end %>
vectors.events.on({
"featureselected": function(feature) {
highlightChangeset(feature.feature.fid);
},
"featureunselected": function(feature) {
unHighlightChangeset(feature.feature.fid);
}
});
var selectControl = new OpenLayers.Control.SelectFeature(vectors, {
multiple: false,
hover: true
});
map.addControl(selectControl);
selectControl.activate();
<% if ! @bbox.nil? %>
setMapExtent(new OpenLayers.Bounds(<%= @bbox %>));
<% else %>
setMapExtent(bounds);
<% end %>
}
Event.observe(window, "load", init);
</script>