spacetea/jmenu.go

85 lines
2.0 KiB
Go

package main
import (
sim "git.saintnet.tech/stryan/spacetea/simulator"
"github.com/charmbracelet/bubbles/list"
tea "github.com/charmbracelet/bubbletea"
)
type jEntry struct {
title, id string
}
func (i jEntry) Title() string { return i.title }
func (i jEntry) Description() string { return "" }
func (i jEntry) ID() string { return i.id }
func (i jEntry) FilterValue() string { return i.title }
type jMenuModel struct {
list list.Model
lastSize tea.WindowSizeMsg
}
type readMsg string
func newJMenuModel(pages []sim.JournalPage) jMenuModel {
var jm jMenuModel
items := []list.Item{}
for _, v := range pages {
items = append(items, jEntry{v.Title, v.ID()})
}
jm.list = list.New(items, list.NewDefaultDelegate(), 80, 32)
jm.list.DisableQuitKeybindings()
jm.list.Title = "Read which entry?"
return jm
}
func (j jMenuModel) Init() tea.Cmd {
return tea.EnterAltScreen
}
// Update is called when a message is received. Use it to inspect messages
// and, in response, update the model and/or send a command.
func (j jMenuModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
h, v := docStyle.GetFrameSize()
j.list.SetSize(msg.Width-h, msg.Height-v)
j.lastSize = msg
return j, nil
case tea.KeyMsg:
switch keypress := msg.String(); keypress {
case "ctrl-c":
return j, tea.Quit
case "esc":
return initMainscreen(), tea.Batch(j.GetSize, heartbeat())
case "enter":
return initMainscreen(), tea.Batch(j.GetSize, j.buildJmenuMsg, heartbeat())
}
}
var cmd tea.Cmd
j.list, cmd = j.list.Update(msg)
return j, cmd
}
// View renders the program's UI, which is just a string. The view is
// rendered after every Update.
func (j jMenuModel) View() string {
return j.list.View()
}
func (j jMenuModel) buildJmenuMsg() tea.Msg {
if j.list.SelectedItem() == nil {
return ""
}
i := j.list.SelectedItem().(jEntry)
return readMsg(i.ID())
}
func (m jMenuModel) GetSize() tea.Msg {
return m.lastSize
}