forked from Mirrors/bubbletea
87 lines
1.6 KiB
Go
87 lines
1.6 KiB
Go
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package main
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import (
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"strings"
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"time"
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"github.com/charmbracelet/bubbles/progress"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/charmbracelet/lipgloss"
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)
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var helpStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#626262")).Render
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const (
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padding = 2
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maxWidth = 80
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)
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type progressMsg float64
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type progressErrMsg struct{ err error }
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func finalPause() tea.Cmd {
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return tea.Tick(time.Millisecond*750, func(_ time.Time) tea.Msg {
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return nil
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})
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}
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type model struct {
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url, path string
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pw *progressWriter
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progress progress.Model
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err error
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}
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func (m model) Init() tea.Cmd {
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return nil
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}
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func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
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switch msg := msg.(type) {
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case tea.KeyMsg:
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return m, tea.Quit
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case tea.WindowSizeMsg:
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m.progress.Width = msg.Width - padding*2 - 4
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if m.progress.Width > maxWidth {
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m.progress.Width = maxWidth
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}
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return m, nil
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case progressErrMsg:
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m.err = msg.err
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return m, tea.Quit
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case progressMsg:
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var cmds []tea.Cmd
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if msg >= 1.0 {
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cmds = append(cmds, tea.Sequentially(finalPause(), tea.Quit))
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}
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cmds = append(cmds, m.progress.SetPercent(float64(msg)))
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return m, tea.Batch(cmds...)
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// FrameMsg is sent when the progress bar wants to animate itself
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case progress.FrameMsg:
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progressModel, cmd := m.progress.Update(msg)
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m.progress = progressModel.(progress.Model)
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return m, cmd
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default:
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return m, nil
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}
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}
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func (m model) View() string {
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if m.err != nil {
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return "Error downloading: " + m.err.Error() + "\n"
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}
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pad := strings.Repeat(" ", padding)
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return "\n" +
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pad + m.progress.View() + "\n\n" +
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pad + helpStyle("Press any key to quit")
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}
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