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Merge pull request #873 from WithGJR/develop

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add new feature to 'renderform' function, user could add HTML id and class now
This commit is contained in:
astaxie 2014-10-20 22:03:52 +08:00
commit dbf944adce
1 changed files with 17 additions and 7 deletions
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24
templatefunc.go
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@ -368,23 +368,31 @@ func RenderForm(obj interface{}) template.HTML {
fieldT := objT.Field(i) fieldT := objT.Field(i)
label, name, fType, ignored := parseFormTag(fieldT) label, name, fType, id, class, ignored := parseFormTag(fieldT)
if ignored { if ignored {
continue continue
} }
raw = append(raw, renderFormField(label, name, fType, fieldV.Interface())) raw = append(raw, renderFormField(label, name, fType, fieldV.Interface(), id, class))
} }
return template.HTML(strings.Join(raw, "</br>")) return template.HTML(strings.Join(raw, "</br>"))
} }
// renderFormField returns a string containing HTML of a single form field. // renderFormField returns a string containing HTML of a single form field.
func renderFormField(label, name, fType string, value interface{}) string { func renderFormField(label, name, fType string, value interface{}, id string, class string) string {
if isValidForInput(fType) { if id != "" {
return fmt.Sprintf(`%v<input name="%v" type="%v" value="%v">`, label, name, fType, value) id = "id=\"" + id + "\""
} }
return fmt.Sprintf(`%v<%v name="%v">%v</%v>`, label, fType, name, value, fType) if class != "" {
class = "class=\"" + class + "\""
}
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<%v %v %v name="%v">%v</%v>`, label, fType, id, class, name, value, fType)
} }
// isValidForInput checks if fType is a valid value for the `type` property of an HTML input element. // isValidForInput checks if fType is a valid value for the `type` property of an HTML input element.
@ -400,12 +408,14 @@ func isValidForInput(fType string) bool {
// parseFormTag takes the stuct-tag of a StructField and parses the `form` value. // parseFormTag takes the stuct-tag of a StructField and parses the `form` value.
// returned are the form label, name-property, type and wether the field should be ignored. // returned are the form label, name-property, type and wether the field should be ignored.
func parseFormTag(fieldT reflect.StructField) (label, name, fType string, ignored bool) { func parseFormTag(fieldT reflect.StructField) (label, name, fType string, id string, class string, ignored bool) {
tags := strings.Split(fieldT.Tag.Get("form"), ",") tags := strings.Split(fieldT.Tag.Get("form"), ",")
label = fieldT.Name + ": " label = fieldT.Name + ": "
name = fieldT.Name name = fieldT.Name
fType = "text" fType = "text"
ignored = false ignored = false
id = fieldT.Tag.Get("id")
class = fieldT.Tag.Get("class")
switch len(tags) { switch len(tags) {
case 1: case 1: