eSliderandCursor
fe2ee481b9
Add viewports to all three columns with cursor sync scrolling. Support Shift+Tab reverse pane focus. Replace flat menu with hierarchical NavTree (list loads only on leaf nodes; dynamic project subnodes with Tasks/Files). Enter or a opens per-item action menu (view, delete, download) wired to the OnlyOffice API. Co-authored-by: Cursor <cursoragent@cursor.com>
522 lines
12 KiB
Go
522 lines
12 KiB
Go
package ui
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import (
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"context"
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"fmt"
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"strings"
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"github.com/charmbracelet/bubbles/viewport"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/charmbracelet/lipgloss"
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onlyoffice "github.com/eslider/go-onlyoffice"
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"github.com/eslider/go-onlyoffice/cmd/office/fetch"
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"github.com/eslider/go-onlyoffice/cmd/office/model"
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"github.com/eslider/go-onlyoffice/cmd/office/preview"
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)
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type listLoadedMsg struct {
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items []model.Item
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spec model.ListSpec
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err error
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}
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type previewLoadedMsg struct {
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text string
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err error
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}
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type actionDoneMsg struct {
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message string
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err error
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}
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type navProjectsMsg struct {
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projects []model.Item
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err error
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}
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// Model is the root Bubble Tea model for the office TUI.
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type Model struct {
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client *onlyoffice.Client
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loader *fetch.Loader
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nav *model.NavTree
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listSpec model.ListSpec
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hasList bool
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items []model.Item
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selection *model.Selection
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listIdx int
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focus model.FocusPane
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width int
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height int
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status string
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err string
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loading bool
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menuVP viewport.Model
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listVP viewport.Model
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previewVP viewport.Model
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previewMD string
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// Action menu overlay on list pane
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actionMode bool
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actionIdx int
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itemActions []model.ItemAction
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}
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// NewModel constructs the TUI with an authenticated client.
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func NewModel(client *onlyoffice.Client) Model {
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return Model{
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client: client,
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loader: &fetch.Loader{Client: client},
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nav: model.DefaultNavTree(),
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selection: model.NewSelection(),
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focus: model.FocusMenu,
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status: "Tab/Shift+Tab: pane · Enter: open/activate · a: actions · q: quit",
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}
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}
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func (m Model) Init() tea.Cmd {
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return m.loadNavProjectsCmd()
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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.WindowSizeMsg:
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m.width = msg.Width
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m.height = msg.Height
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m.layoutViewports()
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m.syncAllContent()
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return m, nil
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case tea.KeyMsg:
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key := msg.String()
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if key == "?" {
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m.status = helpText()
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return m, nil
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}
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if m.actionMode && m.focus == model.FocusList {
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return m.handleActionKey(key)
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}
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action := KeyAction(key, m.focus)
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if action == ActionNone && (key == "up" || key == "k") {
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action = ResolveMoveUp(m.focus)
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}
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switch action {
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case ActionQuit:
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return m, tea.Quit
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case ActionNextPane:
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m.focus = model.NextFocusPane(m.focus)
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return m, nil
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case ActionPrevPane:
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m.focus = model.PrevFocusPane(m.focus)
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return m, nil
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case ActionMoveUp:
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m.moveUp()
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m.syncAllContent()
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return m, nil
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case ActionMoveDown:
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m.moveDown()
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m.syncAllContent()
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return m, nil
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case ActionToggleSelect:
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if m.hasList {
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m.selection.Toggle(&m.items, m.listIdx)
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m.syncListContent()
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}
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return m, nil
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case ActionOpenActions:
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if m.hasList && len(m.items) > 0 {
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m.openActionMenu()
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m.syncListContent()
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}
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return m, nil
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case ActionOpenPreview:
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if m.hasList {
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m.selection.Toggle(&m.items, m.listIdx)
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return m, m.loadPreviewCmd()
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}
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return m, nil
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case ActionRefresh:
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if m.hasList {
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m.loading = true
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return m, m.loadListCmd(m.listSpec)
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}
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return m, nil
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}
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if m.focus == model.FocusMenu {
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switch key {
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case " ":
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m.nav.ToggleExpand(m.nav.Cursor())
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m.syncMenuContent()
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return m, nil
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case "enter":
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if spec, ok := m.nav.Activate(); ok {
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return m.withList(*spec)
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}
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m.syncMenuContent()
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return m, nil
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case "right", "l":
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if spec, ok := m.nav.CurrentListSpec(); ok {
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return m.withList(*spec)
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}
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m.nav.Activate()
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m.syncMenuContent()
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return m, nil
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}
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}
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if m.focus == model.FocusList && key == "enter" && m.hasList {
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m.openActionMenu()
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m.syncListContent()
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return m, nil
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}
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case listLoadedMsg:
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m.loading = false
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if msg.err != nil {
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m.err = msg.err.Error()
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m.items = nil
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m.hasList = false
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} else {
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m.err = ""
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m.items = msg.items
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m.listSpec = msg.spec
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m.hasList = true
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m.listIdx = 0
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}
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m.syncListContent()
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return m, nil
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case previewLoadedMsg:
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m.loading = false
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if msg.err != nil {
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m.previewMD = fmt.Sprintf("# Error\n\n%s\n", msg.err.Error())
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} else {
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m.previewMD = msg.text
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}
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m.syncPreviewContent()
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return m, nil
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case actionDoneMsg:
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m.loading = false
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m.actionMode = false
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if msg.err != nil {
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m.err = msg.err.Error()
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} else {
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m.status = msg.message
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m.err = ""
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if m.hasList {
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m.loading = true
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return m, m.loadListCmd(m.listSpec)
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}
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}
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return m, nil
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case navProjectsMsg:
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if msg.err == nil {
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m.nav.InjectProjectNodes(msg.projects)
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m.syncMenuContent()
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}
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return m, nil
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}
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var cmd tea.Cmd
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switch m.focus {
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case model.FocusMenu:
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m.menuVP, cmd = m.menuVP.Update(msg)
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case model.FocusList:
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m.listVP, cmd = m.listVP.Update(msg)
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case model.FocusPreview:
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m.previewVP, cmd = m.previewVP.Update(msg)
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}
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return m, cmd
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}
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func (m Model) View() string {
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if m.width == 0 {
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return "Loading…\n"
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}
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menuW, listW, prevW := LayoutWidths(m.width)
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h := m.height - 2
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menuStyle := paneStyle(m.focus == model.FocusMenu).Width(menuW).Height(h)
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listStyle := paneStyle(m.focus == model.FocusList).Width(listW).Height(h)
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prevStyle := paneStyle(m.focus == model.FocusPreview).Width(prevW).Height(h)
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status := m.status
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if m.loading {
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status = "Loading…"
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}
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if m.err != "" {
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status = "Error: " + m.err
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}
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bar := lipgloss.NewStyle().Foreground(lipgloss.Color("241")).Render(status)
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return lipgloss.JoinHorizontal(lipgloss.Top,
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menuStyle.Render(m.menuVP.View()),
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listStyle.Render(m.listVP.View()),
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prevStyle.Render(m.previewVP.View()),
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) + "\n" + bar
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}
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func (m Model) withList(spec model.ListSpec) (Model, tea.Cmd) {
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m.listSpec = spec
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m.selection.Clear()
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m.listIdx = 0
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m.hasList = false
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m.actionMode = false
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m.focus = model.FocusList
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m.loading = true
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return m, m.loadListCmd(spec)
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}
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func (m *Model) openActionMenu() {
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if m.listIdx < 0 || m.listIdx >= len(m.items) {
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return
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}
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m.itemActions = model.ActionsFor(m.items[m.listIdx].Kind)
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m.actionIdx = 0
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m.actionMode = true
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}
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func (m *Model) handleActionKey(key string) (tea.Model, tea.Cmd) {
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switch key {
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case "esc":
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m.actionMode = false
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m.syncListContent()
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return m, nil
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case "up", "k":
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if m.actionIdx > 0 {
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m.actionIdx--
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}
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m.syncListContent()
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return m, nil
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case "down", "j":
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if m.actionIdx < len(m.itemActions)-1 {
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m.actionIdx++
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}
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m.syncListContent()
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return m, nil
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case "enter":
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if m.listIdx < 0 || m.listIdx >= len(m.items) || m.actionIdx >= len(m.itemActions) {
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return m, nil
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}
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act := m.itemActions[m.actionIdx]
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item := m.items[m.listIdx]
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m.actionMode = false
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if act.ID == model.ActionView {
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return m, m.loadPreviewCmd()
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}
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m.loading = true
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return m, m.executeActionCmd(act.ID, item)
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}
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return m, nil
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}
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func (m *Model) layoutViewports() {
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menuW, listW, prevW := LayoutWidths(m.width)
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h := m.height - 4
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if h < 4 {
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h = 4
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}
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inner := func(w int) int {
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if w > 4 {
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return w - 2
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}
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return w
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}
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m.menuVP = viewport.New(inner(menuW), h)
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m.listVP = viewport.New(inner(listW), h)
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m.previewVP = viewport.New(inner(prevW), h)
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}
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func (m *Model) syncAllContent() {
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m.syncMenuContent()
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m.syncListContent()
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m.syncPreviewContent()
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}
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func (m *Model) syncMenuContent() {
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var b strings.Builder
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b.WriteString("Navigation\n\n")
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for i := 0; i < m.nav.VisibleCount(); i++ {
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n, _ := m.nav.NodeAtVisible(i)
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depth := m.nav.DepthAtVisible(i)
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prefix := strings.Repeat(" ", depth)
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line := prefix + n.Label
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if m.nav.IsExpandable(i) {
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if m.nav.IsExpanded(i) {
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line = prefix + "▾ " + n.Label
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} else {
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line = prefix + "▸ " + n.Label
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}
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} else if n.List != nil {
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line = prefix + "• " + n.Label
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}
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if i == m.nav.Cursor() && m.focus == model.FocusMenu {
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line = "> " + line
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} else {
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line = " " + line
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}
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b.WriteString(line + "\n")
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}
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m.menuVP.SetContent(b.String())
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syncVPToLine(&m.menuVP, m.nav.Cursor()+2)
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}
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func (m *Model) syncListContent() {
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var b strings.Builder
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if !m.hasList {
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b.WriteString("List\n\n")
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b.WriteString("Select a leaf node in the tree\n")
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b.WriteString("(marked with •) and press Enter.\n")
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} else {
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fmt.Fprintf(&b, "%s (%d)\n\n", m.listSpec.Subject, len(m.items))
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if m.actionMode {
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item := m.items[m.listIdx]
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fmt.Fprintf(&b, "Actions for: %s\n\n", item.Title)
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for i, act := range m.itemActions {
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cursor := " "
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if i == m.actionIdx {
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cursor = "> "
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}
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label := act.Label
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if act.Danger {
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label = "⚠ " + label
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}
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fmt.Fprintf(&b, "%s%s\n", cursor, label)
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}
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b.WriteString("\nEnter: run · Esc: cancel\n")
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} else {
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for i, it := range m.items {
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mark := "[ ]"
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if it.Selected {
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mark = "[x]"
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}
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cursor := " "
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if i == m.listIdx && m.focus == model.FocusList {
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cursor = "> "
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}
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line := fmt.Sprintf("%s%s %s", cursor, mark, it.Title)
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if it.Subtitle != "" {
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line += " — " + it.Subtitle
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}
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b.WriteString(line + "\n")
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}
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if len(m.items) == 0 && !m.loading {
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b.WriteString("(empty)\n")
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}
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b.WriteString("\nEnter/a: actions · Space: select\n")
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}
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}
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m.listVP.SetContent(b.String())
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line := m.listIdx + 3
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if m.actionMode {
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line = m.actionIdx + 4
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}
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syncVPToLine(&m.listVP, line)
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}
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func (m *Model) syncPreviewContent() {
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menuW, listW, prevW := LayoutWidths(m.width)
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_ = menuW
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_ = listW
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w := prevW - 4
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if w < 20 {
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w = 20
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}
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text, err := preview.RenderMarkdown(m.previewMD, w)
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if err != nil {
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text = m.previewMD
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}
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m.previewVP.SetContent(text)
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}
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func syncVPToLine(vp *viewport.Model, line int) {
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if line < 0 {
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line = 0
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}
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if line < vp.YOffset {
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vp.YOffset = line
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} else if line >= vp.YOffset+vp.Height {
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vp.YOffset = line - vp.Height + 1
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}
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if vp.YOffset < 0 {
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vp.YOffset = 0
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}
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}
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func (m *Model) moveUp() {
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switch m.focus {
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case model.FocusMenu:
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m.nav.MoveUp()
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case model.FocusList:
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if m.hasList && !m.actionMode && m.listIdx > 0 {
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m.listIdx--
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}
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case model.FocusPreview:
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m.previewVP.LineUp(1)
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}
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}
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func (m *Model) moveDown() {
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switch m.focus {
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case model.FocusMenu:
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m.nav.MoveDown()
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case model.FocusList:
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if m.hasList && !m.actionMode && m.listIdx < len(m.items)-1 {
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m.listIdx++
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}
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case model.FocusPreview:
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m.previewVP.LineDown(1)
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}
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}
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func (m *Model) loadListCmd(spec model.ListSpec) tea.Cmd {
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return func() tea.Msg {
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ctx := context.Background()
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items, err := m.loader.List(ctx, spec)
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return listLoadedMsg{items: items, spec: spec, err: err}
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}
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}
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func (m *Model) loadPreviewCmd() tea.Cmd {
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if m.listIdx < 0 || m.listIdx >= len(m.items) {
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return nil
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}
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item := m.items[m.listIdx]
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return func() tea.Msg {
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ctx := context.Background()
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raw, err := m.loader.Detail(ctx, item)
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if err != nil {
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return previewLoadedMsg{err: err}
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}
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md := preview.EntityMarkdown(string(item.Kind), raw)
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return previewLoadedMsg{text: md}
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}
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}
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func (m *Model) executeActionCmd(action model.ActionID, item model.Item) tea.Cmd {
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return func() tea.Msg {
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ctx := context.Background()
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msg, err := m.loader.Execute(ctx, action, item, "")
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return actionDoneMsg{message: msg, err: err}
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}
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}
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func (m *Model) loadNavProjectsCmd() tea.Cmd {
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return func() tea.Msg {
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ctx := context.Background()
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projects, err := m.loader.LoadProjectsForNav(ctx)
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return navProjectsMsg{projects: projects, err: err}
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}
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}
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func paneStyle(focused bool) lipgloss.Style {
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s := lipgloss.NewStyle().Padding(0, 1)
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if focused {
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return s.Border(lipgloss.RoundedBorder()).BorderForeground(lipgloss.Color("62"))
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}
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return s.Border(lipgloss.NormalBorder()).BorderForeground(lipgloss.Color("238"))
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}
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func helpText() string {
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return "Tab/Shift+Tab: pane · ↑↓/jk: scroll · Enter: open leaf/actions · Space: select · a: actions · r: refresh · q: quit"
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}
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