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package dialog
import (
"github.com/charmbracelet/bubbles/key"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
"github.com/sst/opencode/internal/layout"
"github.com/sst/opencode/internal/styles"
"github.com/sst/opencode/internal/theme"
"github.com/sst/opencode/internal/util"
"github.com/sst/opencode/pkg/client"
)
// CloseSessionDialogMsg is sent when the session dialog is closed
type CloseSessionDialogMsg struct {
Session *client.SessionInfo
}
// SessionDialog interface for the session switching dialog
type SessionDialog interface {
tea.Model
layout.Bindings
SetSessions(sessions []client.SessionInfo)
SetSelectedSession(sessionID string)
}
type sessionDialogCmp struct {
sessions []client.SessionInfo
selectedIdx int
width int
height int
selectedSessionID string
}
type sessionKeyMap struct {
Up key.Binding
Down key.Binding
Enter key.Binding
Escape key.Binding
J key.Binding
K key.Binding
}
var sessionKeys = sessionKeyMap{
Up: key.NewBinding(
key.WithKeys("up"),
key.WithHelp("↑", "previous session"),
),
Down: key.NewBinding(
key.WithKeys("down"),
key.WithHelp("↓", "next session"),
),
Enter: key.NewBinding(
key.WithKeys("enter"),
key.WithHelp("enter", "select session"),
),
Escape: key.NewBinding(
key.WithKeys("esc"),
key.WithHelp("esc", "close"),
),
J: key.NewBinding(
key.WithKeys("j"),
key.WithHelp("j", "next session"),
),
K: key.NewBinding(
key.WithKeys("k"),
key.WithHelp("k", "previous session"),
),
}
func (s *sessionDialogCmp) Init() tea.Cmd {
return nil
}
func (s *sessionDialogCmp) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
s.width = msg.Width
s.height = msg.Height
case tea.KeyMsg:
switch {
case key.Matches(msg, sessionKeys.Up) || key.Matches(msg, sessionKeys.K):
if s.selectedIdx > 0 {
s.selectedIdx--
}
return s, nil
case key.Matches(msg, sessionKeys.Down) || key.Matches(msg, sessionKeys.J):
if s.selectedIdx < len(s.sessions)-1 {
s.selectedIdx++
}
return s, nil
case key.Matches(msg, sessionKeys.Enter):
if len(s.sessions) > 0 {
selectedSession := s.sessions[s.selectedIdx]
s.selectedSessionID = selectedSession.Id
return s, util.CmdHandler(CloseSessionDialogMsg{
Session: &selectedSession,
})
}
case key.Matches(msg, sessionKeys.Escape):
return s, util.CmdHandler(CloseSessionDialogMsg{})
}
}
return s, nil
}
func (s *sessionDialogCmp) View() string {
t := theme.CurrentTheme()
baseStyle := styles.BaseStyle()
if len(s.sessions) == 0 {
return baseStyle.Padding(1, 2).
Border(lipgloss.RoundedBorder()).
BorderBackground(t.Background()).
BorderForeground(t.TextMuted()).
Width(40).
Render("No sessions available")
}
// Calculate max width needed for session titles
maxWidth := 40 // Minimum width
for _, sess := range s.sessions {
if len(sess.Title) > maxWidth-4 { // Account for padding
maxWidth = len(sess.Title) + 4
}
}
maxWidth = max(30, min(maxWidth, s.width-15)) // Limit width to avoid overflow
// Limit height to avoid taking up too much screen space
maxVisibleSessions := min(10, len(s.sessions))
// Build the session list
sessionItems := make([]string, 0, maxVisibleSessions)
startIdx := 0
// If we have more sessions than can be displayed, adjust the start index
if len(s.sessions) > maxVisibleSessions {
// Center the selected item when possible
halfVisible := maxVisibleSessions / 2
if s.selectedIdx >= halfVisible && s.selectedIdx < len(s.sessions)-halfVisible {
startIdx = s.selectedIdx - halfVisible
} else if s.selectedIdx >= len(s.sessions)-halfVisible {
startIdx = len(s.sessions) - maxVisibleSessions
}
}
endIdx := min(startIdx+maxVisibleSessions, len(s.sessions))
for i := startIdx; i < endIdx; i++ {
sess := s.sessions[i]
itemStyle := baseStyle.Width(maxWidth)
if i == s.selectedIdx {
itemStyle = itemStyle.
Background(t.Primary()).
Foreground(t.Background()).
Bold(true)
}
sessionItems = append(sessionItems, itemStyle.Padding(0, 1).Render(sess.Title))
}
title := baseStyle.
Foreground(t.Primary()).
Bold(true).
Width(maxWidth).
Padding(0, 1).
Render("Switch Session")
content := lipgloss.JoinVertical(
lipgloss.Left,
title,
baseStyle.Width(maxWidth).Render(""),
baseStyle.Width(maxWidth).Render(lipgloss.JoinVertical(lipgloss.Left, sessionItems...)),
baseStyle.Width(maxWidth).Render(""),
)
return baseStyle.Padding(1, 2).
Border(lipgloss.RoundedBorder()).
BorderBackground(t.Background()).
BorderForeground(t.TextMuted()).
Width(lipgloss.Width(content) + 4).
Render(content)
}
func (s *sessionDialogCmp) BindingKeys() []key.Binding {
return layout.KeyMapToSlice(sessionKeys)
}
func (s *sessionDialogCmp) SetSessions(sessions []client.SessionInfo) {
s.sessions = sessions
// If we have a selected session ID, find its index
if s.selectedSessionID != "" {
for i, sess := range sessions {
if sess.Id == s.selectedSessionID {
s.selectedIdx = i
return
}
}
}
// Default to first session if selected not found
s.selectedIdx = 0
}
func (s *sessionDialogCmp) SetSelectedSession(sessionID string) {
s.selectedSessionID = sessionID
// Update the selected index if sessions are already loaded
if len(s.sessions) > 0 {
for i, sess := range s.sessions {
if sess.Id == sessionID {
s.selectedIdx = i
return
}
}
}
}
// NewSessionDialogCmp creates a new session switching dialog
func NewSessionDialogCmp() SessionDialog {
return &sessionDialogCmp{
sessions: []client.SessionInfo{},
selectedIdx: 0,
selectedSessionID: "",
}
}
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