Add API Framework Revel Source Files

[iec.git] / src / foundation / api / revel / field.go

diff --git a/src/foundation/api/revel/field.go b/src/foundation/api/revel/field.go
new file mode 100644 (file)
index 0000000..93f2b1c
--- /dev/null
+++ b/src/foundation/api/revel/field.go
@@ -0,0 +1,108 @@
+// Copyright (c) 2012-2016 The Revel Framework Authors, All rights reserved.
+// Revel Framework source code and usage is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package revel
+
+import (
+       "reflect"
+       "strings"
+)
+
+// Field represents a data field that may be collected in a web form.
+type Field struct {
+       Name       string
+       Error      *ValidationError
+       viewArgs   map[string]interface{}
+       controller *Controller
+}
+
+func NewField(name string, viewArgs map[string]interface{}) *Field {
+       err, _ := viewArgs["errors"].(map[string]*ValidationError)[name]
+       controller, _ := viewArgs["_controller"].(*Controller)
+       return &Field{
+               Name:       name,
+               Error:      err,
+               viewArgs:   viewArgs,
+               controller: controller,
+       }
+}
+
+// ID returns an identifier suitable for use as an HTML id.
+func (f *Field) ID() string {
+       return strings.Replace(f.Name, ".", "_", -1)
+}
+
+// Flash returns the flashed value of this Field.
+func (f *Field) Flash() string {
+       v, _ := f.viewArgs["flash"].(map[string]string)[f.Name]
+       return v
+}
+
+// Options returns the option list of this Field.
+func (f *Field) Options() []string {
+       if f.viewArgs["options"] == nil {
+               return nil
+       }
+       v, _ := f.viewArgs["options"].(map[string][]string)[f.Name]
+       return v
+}
+
+// FlashArray returns the flashed value of this Field as a list split on comma.
+func (f *Field) FlashArray() []string {
+       v := f.Flash()
+       if v == "" {
+               return []string{}
+       }
+       return strings.Split(v, ",")
+}
+
+// Value returns the current value of this Field.
+func (f *Field) Value() interface{} {
+       pieces := strings.Split(f.Name, ".")
+       answer, ok := f.viewArgs[pieces[0]]
+       if !ok {
+               return ""
+       }
+
+       val := reflect.ValueOf(answer)
+       for i := 1; i < len(pieces); i++ {
+               if val.Kind() == reflect.Ptr {
+                       val = val.Elem()
+               }
+               val = val.FieldByName(pieces[i])
+               if !val.IsValid() {
+                       return ""
+               }
+       }
+
+       return val.Interface()
+}
+
+// ErrorClass returns ErrorCSSClass if this field has a validation error, else empty string.
+func (f *Field) ErrorClass() string {
+       if f.Error != nil {
+               if errorClass, ok := f.viewArgs["ERROR_CLASS"]; ok {
+                       return errorClass.(string)
+               }
+               return ErrorCSSClass
+       }
+       return ""
+}
+
+// Get the short name and translate it
+func (f *Field) ShortName() string {
+       name := f.Name
+       if i := strings.LastIndex(name, "."); i > 0 {
+               name = name[i+1:]
+       }
+       return f.Translate(name)
+}
+
+// Translate the text
+func (f *Field) Translate(text string, args ...interface{}) string {
+       if f.controller != nil {
+               text = f.controller.Message(text, args...)
+       }
+       return text
+}