func (node *tagAppendNode) Execute(ctx *p2.ExecutionContext, writer p2.TemplateWriter) *p2.Error {
var values []interface{}
var reflectValues reflect.Value
if o := ctx.Public[node.name]; nil != o {
values, _ = o.([]interface{})
if nil == values {
reflectValues = reflect.ValueOf(o)
if reflectValues.Kind() == reflect.Ptr {
reflectValues = reflectValues.Elem()
}
if reflectValues.Kind() != reflect.Slice {
return ctx.Error("'"+node.name+"' isn't a slice.", nil)
}
}
}
for _, ev := range node.objectEvaluators {
obj, err := ev.Evaluate(ctx)
if err != nil {
return err
}
if reflectValues.IsNil() {
values = append(values, obj)
} else {
reflectValues = reflect.AppendSlice(reflectValues, reflect.ValueOf(obj))
}
}
if reflectValues.IsNil() {
ctx.Public[node.name] = values
} else {
ctx.Public[node.name] = reflectValues.Interface()
}
return nil
}
func (node *tagOptionNode) Execute(ctx *p2.ExecutionContext, writer p2.TemplateWriter) *p2.Error {
fieldObj := ctx.Public[node.field]
if nil == fieldObj {
return ctx.Error("field '"+node.field+"' is missing.", nil)
}
field, _ := fieldObj.(*revel.Field)
if nil == field {
return ctx.Error(fmt.Sprintf("field '"+node.field+"' isn't Field - %T.", fieldObj), nil)
}
val, err := node.value.Evaluate(ctx)
if err != nil {
return err
}
val_str := val.String()
selected := ""
if field.Flash() == val_str || (field.Flash() == "" && field.Value() == val_str) {
selected = " selected"
}
fmt.Fprintf(writer, `<option value="%s"%s>%s</option>`,
html.EscapeString(val_str), selected, html.EscapeString(node.label))
return nil
}
func (node *tagRadioNode) Execute(ctx *p2.ExecutionContext, writer p2.TemplateWriter) *p2.Error {
fieldObj := ctx.Public[node.field]
if nil == fieldObj {
return ctx.Error("field '"+node.field+"' is missing.", nil)
}
field, _ := fieldObj.(*revel.Field)
if nil == field {
return ctx.Error(fmt.Sprintf("field '"+node.field+"' isn't Field - %T.", fieldObj), nil)
}
val, err := node.value.Evaluate(ctx)
if err != nil {
return err
}
val_str := val.String()
checked := ""
if field.Flash() == val_str {
checked = " checked"
}
fmt.Fprintf(writer, `<input type="radio" name="%s" value="%s"%s>`,
html.EscapeString(field.Name), html.EscapeString(val_str), checked)
return nil
}
func (node *tagURLForNode) Execute(ctx *p2.ExecutionContext, writer p2.TemplateWriter) *p2.Error {
args := make([]string, len(node.objectEvaluators))
for i, ev := range node.objectEvaluators {
obj, err := ev.Evaluate(ctx)
if err != nil {
return err
}
args[i] = obj.String()
}
params := make([]interface{}, len(args))
params[0] = args[0]
for i := range params[1:] {
params[i+1] = args[i+1]
}
url, err := revel.ReverseUrl(params...)
if nil != err {
return ctx.Error(err.Error(), nil)
}
writer.WriteString(string(url))
return nil
}