// FormatField formats a list of fields with the given template.
//
// It's a callback from the template, where the list of fields to display is set.
// With this method, we can translate titles, align data and allow custom
// templating for the user.
//
func FormatField(template *cdtype.Template, list []string, data interface{}) (string, error) {
buf := bytes.NewBuffer(nil)
tw := &tabwriter.Writer{}
tw.Init(buf, 0, 4, 1, '\t', 0)
needNL := false
for _, key := range list {
if needNL {
fmt.Fprintln(tw)
}
needNL = true
title := ""
switch key {
case "tempReal":
title = tran.Splug("Temperature")
case "tempFelt":
title = tran.Splug("Feels like")
case "wind":
title = tran.Splug("Wind")
case "humidity":
title = tran.Splug("Humidity")
case "pressure":
title = tran.Splug("Pressure")
case "sun":
title = tran.Splug("Sunrise") + " - " + tran.Splug("Sunset")
case "tempDay":
title = tran.Splug("Temperature")
case "precipitation":
title = tran.Splug("Precipitation probability")
}
fmt.Fprint(tw, title+":\t")
e := template.ExecuteTemplate(tw, key, data)
if e != nil {
return "", e
}
}
tw.Flush()
return strings.Trim(buf.String(), " \n"), nil
}
// FormatTemplate formats the given data object with the given template function name.
//
func FormatTemplate(template *cdtype.Template, funcName string, data interface{}) (string, error) {
text, e := template.ToString(funcName, data)
return strings.Trim(text, " \n"), e
}