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Add meta fields with required flag

This commit is contained in:
Joshua Santos 2016-06-15 17:17:50 -07:00
parent 88c5dfa6ea
commit 0d3a806c23

View File

@ -422,17 +422,18 @@ func RenderForm(obj interface{}) template.HTML {
fieldT := objT.Field(i)
label, name, fType, id, class, ignored := parseFormTag(fieldT)
required := parseMetaTag(fieldT)
if ignored {
continue
}
raw = append(raw, renderFormField(label, name, fType, fieldV.Interface(), id, class))
raw = append(raw, renderFormField(label, name, fType, fieldV.Interface(), id, class, required))
}
return template.HTML(strings.Join(raw, "</br>"))
}
// renderFormField returns a string containing HTML of a single form field.
func renderFormField(label, name, fType string, value interface{}, id string, class string) string {
func renderFormField(label, name, fType string, value interface{}, id string, class string, required bool) string {
if id != "" {
id = " id=\"" + id + "\""
}
@ -441,8 +442,13 @@ func renderFormField(label, name, fType string, value interface{}, id string, cl
class = " class=\"" + class + "\""
}
requiredString := ""
if required {
requiredString = " required"
}
if isValidForInput(fType) {
return fmt.Sprintf(`%v<input%v%v name="%v" type="%v" value="%v">`, label, id, class, name, fType, value)
return fmt.Sprintf(`%v<input%v%v name="%v" type="%v" value="%v"%v>`, label, id, class, name, fType, value, requiredString)
}
return fmt.Sprintf(`%v<%v%v%v name="%v">%v</%v>`, label, fType, id, class, name, value, fType)
@ -496,6 +502,21 @@ func parseFormTag(fieldT reflect.StructField) (label, name, fType string, id str
label = tags[2]
}
}
return
}
// parseMetaTag takes the stuct-tag of a StructField and parses the `meta` value.
// returned is the boolean of whether the field is required
func parseMetaTag(fieldT reflect.StructField) (required bool) {
meta := strings.Split(fieldT.Tag.Get("meta"), ",")
required = false
switch len(meta) {
case 1:
if len(meta[0]) > 0 && meta[0] != "-" {
required = true
}
}
return
}