/
utils.go
211 lines (173 loc) · 4.19 KB
/
utils.go
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package unigui
import (
"encoding/json"
"fmt"
"reflect"
"strings"
)
var (
F = fmt.Sprintf
Print = fmt.Println
flatten func(v []Any) []Any
)
func init() {
flatten = func(v []Any) []Any {
var res []Any
for _, e := range v {
arr, ok := e.([]Any)
if ok {
res = append(res, flatten(arr)...)
} else {
res = append(res, e)
}
}
return res
}
}
type Answer struct {
Answer Any `json:"answer"`
Param Any `json:"param"`
Id int `json:"id"`
}
type Updater struct {
Update, Data Any
Multi bool
}
func ToJson(o Any) []byte {
b, err := json.Marshal(o)
if err != nil {
panic(err)
}
return b
}
func UploadFname(shortName Any) string{
return F("web/%s/%v", UploadDir, shortName)
}
func Fname2url(fn string) string {
fn = strings.TrimPrefix(fn, "web/")
return F("%s/%s", ResourcePort, strings.ReplaceAll(fn, " ", "%20"))
}
func Url2fname(url string) string {
return strings.ReplaceAll(url[strings.Index(url, "/")+1:], "%20", " ")
}
func Seq(arr ...Any) []Any {
return arr
}
func SeqSeq(arr ...[]Any) [][]Any {
return arr
}
func ToString(v Any) string{
if v == nil{
return ""
}
return F("%v", v)
}
func UpdateError(elem2update Any, str string) *Popwindow {
return &Popwindow{Error: str, Data: elem2update}
}
func Error(str string) *Popwindow {
return &Popwindow{Error: str}
}
func Warning(str string) *Popwindow {
return &Popwindow{Warning: str}
}
func Info(str string) *Popwindow {
return &Popwindow{Info: str}
}
func RemoveIndex(s []string, index int) []string {
return append(s[:index], s[index+1:]...)
}
func filterGui(name string, value Any) bool {
return true
}
func filterWidthHeight(name string, value Any) bool {
return value != nil && !(name == "width" && value == 0) && !(name == "height" && value == 0)
}
func filterTable(name string, value Any) bool {
return value != ""
}
func filterPopwindow(name string, value Any) bool {
return (value != nil && value != "") || name == "progress"
}
func filterUpdater(name string, value Any) bool {
return value != nil && value != false
}
func (s Updater) MarshalJSON() ([]byte, error) {
return serialize(&s, filterUpdater)
}
func (s Gui) MarshalJSON() ([]byte, error) {
return serialize(&s, filterGui)
}
func (s Edit_) MarshalJSON() ([]byte, error) {
return serialize(&s, filterGui)
}
func (s Select_) MarshalJSON() ([]byte, error) {
return serialize(&s, filterGui)
}
func (s Image_) MarshalJSON() ([]byte, error) {
return serialize(&s, filterWidthHeight)
}
func (s Tree_) MarshalJSON() ([]byte, error) {
return serialize(&s, filterGui)
}
func (s Block_) MarshalJSON() ([]byte, error) {
return serialize(&s, filterWidthHeight)
}
func (s Dialog_) MarshalJSON() ([]byte, error) {
return serialize(&s, filterGui)
}
func (s Table_) MarshalJSON() ([]byte, error) {
return serialize(&s, filterTable)
}
func (s Screen_) MarshalJSON() ([]byte, error) {
return serialize(&s, filterGui)
}
func (s Popwindow) MarshalJSON() ([]byte, error) {
return serialize(&s, filterPopwindow)
}
func getFieldValue(s Any, fname string) (Any, bool) {
pe := reflect.ValueOf(s).Elem()
e := reflect.Indirect(pe)
for i := 0; i < e.NumField(); i++ {
name := e.Type().Field(i).Name
if name == fname {
return e.Field(i).Interface(), true
}
}
return nil, false
}
func ToInt(val Any) int {
return int(val.(float64))
}
func any2cellVal(v Any) *TableCell {
arr := v.([]Any)
ints := arr[1].([]Any)
return &TableCell{arr[0], [2]int{ToInt(ints[0]), ToInt(ints[1])}}
}
func serialize(s Any, filter func(string, Any) bool) ([]byte, error) {
mp := map[string]Any{}
var makeMap func(obj Any)
makeMap = func(obj Any) {
e := reflect.ValueOf(obj).Elem()
for i := 0; i < e.NumField(); i++ {
rawname := e.Type().Field(i).Name
if rawname[0] <= 'Z' {
name := strings.ToLower(rawname)
value := e.Field(i).Interface()
if name == "gui"{
gui := value.(Gui)
makeMap(&gui) //only for public fields
} else if !(value == "" && (name == "type" || name == "icon")) && filter(name, value) {
vr := reflect.ValueOf(value).Kind()
if vr != reflect.Func {
mp[name] = value
} else if !reflect.ValueOf(value).IsNil() {
mp[name] = nil
}
}
}
}
}
makeMap(s)
return json.Marshal(mp)
}