73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
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package forms
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import (
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"fmt"
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"reflect"
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"strings"
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)
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type Widget interface {
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Html() string
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ParseValue(value string, output reflect.Value) error
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}
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type TextWidget struct {
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FormField
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}
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func (s *TextWidget) Html() string {
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html := ""
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html += fmt.Sprintf("<input type=\"text\" name=\"%v\" value=\"%v\">\n", s.Name, s.Value.String())
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return html
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}
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func (s *TextWidget) ParseValue(value string, output reflect.Value) error {
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output.SetString(value)
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return nil
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}
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type TextareaWidget struct {
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FormField
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}
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func (s *TextareaWidget) Html() string {
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html := ""
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html += fmt.Sprintf("<textarea name=\"%v\" rows=\"20\">%v</textarea>\n", s.Name, s.Value.String())
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return html
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}
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func (s *TextareaWidget) ParseValue(value string, output reflect.Value) error {
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output.SetString(value)
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return nil
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}
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type TextListWidget struct {
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FormField
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}
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func (s *TextListWidget) Html() string {
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valueList := s.Value.Interface().([]string)
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value := strings.Join(valueList, "\n")
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html := ""
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html += fmt.Sprintf("<textarea name=\"%v\" rows=\"20\">%v</textarea>\n", s.Name, value)
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return html
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}
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func (s *TextListWidget) ParseValue(value string, output reflect.Value) error {
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list := strings.Split(value, "\n")
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// trim entries
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for i, item := range list {
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list[i] = strings.TrimSpace(item)
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}
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// remove empty entries
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for i := len(list) - 1; i >= 0; i-- {
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if list[i] == "" {
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list = append(list[:i], list[i+1:]...)
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}
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}
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output.Set(reflect.ValueOf(list))
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return nil
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}
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