forked from vmihailenco/gforms
/
attrs.go
77 lines (67 loc) · 1.42 KB
/
attrs.go
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package gforms
import (
"fmt"
"strings"
tTemplate "text/template"
)
type WidgetAttrs struct {
attrs [][2]string
}
func (w *WidgetAttrs) Clone() *WidgetAttrs {
return &WidgetAttrs{
attrs: w.attrs[:],
}
}
func (w *WidgetAttrs) Set(name, value string) {
value = tTemplate.HTMLEscapeString(value)
exists := false
for i := range w.attrs {
attr := &w.attrs[i]
if attr[0] == name {
exists = true
attr[1] = value
}
}
if !exists {
w.attrs = append(w.attrs, [...]string{name, value})
}
}
func (w *WidgetAttrs) Get(name string) (string, bool) {
for _, attr := range w.attrs {
if attr[0] == name {
return attr[1], true
}
}
return "", false
}
func (w *WidgetAttrs) Pop(name string) (string, bool) {
for i, attr := range w.attrs {
if attr[0] == name {
w.attrs = append(w.attrs[:i], w.attrs[i+1:]...)
return attr[1], true
}
}
return "", false
}
func (w *WidgetAttrs) Names() []string {
names := make([]string, 0, len(w.attrs))
for _, attr := range w.attrs {
names = append(names, attr[0])
}
return names
}
func (w *WidgetAttrs) String() string {
attrsArr := make([]string, 0, len(w.attrs))
for _, attr := range w.attrs {
attrsArr = append(attrsArr, fmt.Sprintf(`%v="%v"`, attr[0], attr[1]))
}
if len(attrsArr) > 0 {
return " " + strings.Join(attrsArr, " ")
}
return ""
}
func (w *WidgetAttrs) FromSlice(attrs []string) {
for i := 0; i < len(attrs); i += 2 {
w.Set(attrs[i], attrs[i+1])
}
}