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list_model.go
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/
list_model.go
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package browser
import (
"fmt"
"io"
"sort"
"strings"
"github.com/charmbracelet/bubbles/list"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
"github.com/gnolang/gno/gno.land/pkg/sdk/vm"
"github.com/sahilm/fuzzy"
)
var (
listItemStyle = lipgloss.NewStyle().PaddingLeft(4)
listSelectedItemStyle = lipgloss.NewStyle().PaddingLeft(2).Foreground(lipgloss.Color("170"))
listPaginationStyle = list.DefaultStyles().PaginationStyle.PaddingLeft(4)
)
type FuncListModel struct {
list.Model
items []list.Item
}
func (m *FuncListModel) SetItems(items []list.Item) {
m.Model.SetItems(items)
m.items = items
}
func (m FuncListModel) Update(msg tea.Msg) (FuncListModel, tea.Cmd) {
var cmd tea.Cmd
m.Model, cmd = m.Model.Update(msg)
return m, cmd
}
func (m *FuncListModel) OriginItems() []list.Item {
return m.items
}
func (m *FuncListModel) Erase() {
m.Model.SetItems([]list.Item{})
}
func (m *FuncListModel) Reset() {
m.Model.SetItems(m.items)
}
func (m *FuncListModel) FilterItems(pattern string) {
if pattern == "" {
m.Reset()
return
}
i := strings.IndexRune(pattern, '(')
if i > 0 {
pattern = pattern[:i]
}
data := make([]string, len(m.items))
for i, item := range m.items {
data[i] = item.FilterValue()
}
ranks := fuzzy.Find(pattern, data)
sort.Stable(ranks)
if len(ranks) > 0 && i > 0 {
m.Model.SetItems([]list.Item{m.items[ranks[0].Index]})
return
}
items := make([]list.Item, len(ranks))
for i, r := range ranks {
items[i] = m.items[r.Index]
}
m.Model.SetItems(items)
}
type itemFunc vm.FunctionSignature
func (i itemFunc) Name() string { return i.FuncName }
func (i itemFunc) Title() string { return i.Name() }
func (i itemFunc) Description() string { return i.FuncName }
func (i itemFunc) FilterValue() string { return i.FuncName }
type itemFuncsDelegate struct{}
func (d itemFuncsDelegate) Height() int { return 1 }
func (d itemFuncsDelegate) Spacing() int { return 0 }
func (d itemFuncsDelegate) Update(_ tea.Msg, _ *list.Model) tea.Cmd { return nil }
func (d itemFuncsDelegate) Render(w io.Writer, m list.Model, index int, listItem list.Item) {
fun, ok := listItem.(itemFunc)
if !ok {
return
}
maxw := m.Width() - 10
var proto strings.Builder
fmt.Fprintf(&proto, "%s(", fun.FuncName)
for j, param := range fun.Params {
if j != 0 {
fmt.Fprint(&proto, ", ")
}
fmt.Fprintf(&proto, "%s %s", param.Name, param.Type)
}
fmt.Fprint(&proto, ")")
switch len(fun.Results) {
case 0: // none
case 1:
fmt.Fprintf(&proto, " %s", fun.Results[0].Type)
default:
fmt.Fprint(&proto, " (")
for j, res := range fun.Results {
if j != 0 {
fmt.Fprint(&proto, ", ")
}
fmt.Fprint(&proto, res.Type)
}
fmt.Fprint(&proto, ")")
}
fn := listItemStyle.Render
if index == m.Index() {
fn = func(s ...string) string {
return listSelectedItemStyle.Render("> " + strings.Join(s, " "))
}
}
str := proto.String()
if len(str) > maxw {
str = str[:maxw-3] + "..."
}
fmt.Fprint(w, fn(str))
}
func newFuncList() FuncListModel {
l := list.New([]list.Item{}, &itemFuncsDelegate{}, 0, 0)
l.SetShowStatusBar(false)
l.SetFilteringEnabled(true)
l.SetShowHelp(false)
l.SetShowPagination(false)
l.Styles.PaginationStyle = listPaginationStyle
return FuncListModel{
Model: l,
items: l.Items(),
}
}