func enable_leaflet(mbt *mbtiles.Map, libpath string) error {
leaflettmpl, err := template.New("leaflettmpl").Parse(leaflettext)
if err != nil {
return err
}
liburl, err := url.Parse(libpath)
if err != nil {
return err
}
if !liburl.IsAbs() {
// url is local path, serve contents at /leaflet/
source := libpath
libpath = "/leaflet/"
http.Handle(libpath, http.StripPrefix(libpath,
http.FileServer(http.Dir(source))))
}
http.Handle("/", http.HandlerFunc(
func(w http.ResponseWriter, req *http.Request) {
metadata := mbt.Metadata()
err := leaflettmpl.Execute(w, leafletparams{metadata, libpath})
if err != nil {
http.Error(w, "template error: "+err.Error(), 500)
}
}))
return nil
}
func TileJson(mbt *mbtiles.Map, callback string) (io.ReadSeeker, time.Time, error) {
md := mbt.Metadata()
mapdata := &MapData{
"1.0.0",
md.Name,
md.MinZoom,
md.MaxZoom,
[]float64{md.Bounds.W, md.Bounds.S, md.Bounds.E, md.Bounds.N},
[]float64{md.Center.Lat, md.Center.Lon, md.Center.Zoom},
[]string{"./tiles/{z}/{x}/{y}.png"},
[]string{"./grids/{z}/{x}/{y}.json"},
md.Template,
md.Legend,
}
var buf bytes.Buffer
if callback != "" {
buf.WriteString(callback + "(")
}
if err := json.NewEncoder(&buf).Encode(mapdata); err != nil {
return nil, time.Time{}, err
}
if callback != "" {
buf.WriteString(");")
}
return bytes.NewReader(buf.Bytes()), mbt.Mtime, nil
}
func enable_modestmaps(mbt *mbtiles.Map) error {
mmtmpl, err := template.New("mmtmpl").Parse(mmtext)
if err != nil {
return err
}
http.Handle("/", http.HandlerFunc(
func(w http.ResponseWriter, req *http.Request) {
metadata := mbt.Metadata()
err = mmtmpl.Execute(w, metadata)
if err != nil {
http.Error(w, "template error: "+err.Error(), 500)
}
}))
return nil
}