161 lines
2.9 KiB
Go
161 lines
2.9 KiB
Go
package ui
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import (
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"fmt"
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"codeflow.dananglin.me.uk/apollo/canal/internal/board"
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"github.com/gdamore/tcell/v2"
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"github.com/rivo/tview"
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)
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const (
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shiftLeft int = iota
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shiftRight
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)
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const (
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mainPageName string = "main"
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quitPageName string = "quit"
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addPageName string = "add"
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)
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type UI struct {
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*tview.Application
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columns []column
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flex *tview.Flex
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pages *tview.Pages
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focusedColumn int
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board board.Board
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quit *tview.Modal
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add *modalInput
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}
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// NewUI returns a new UI value.
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func NewUI() UI {
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u := UI{
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Application: tview.NewApplication(),
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pages: tview.NewPages(),
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flex: tview.NewFlex(),
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quit: tview.NewModal(),
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add: NewModalInput(),
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focusedColumn: 0,
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}
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u.init()
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return u
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}
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// closeBoard closes the board.
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func (u *UI) closeBoard() {
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_ = u.board.Close()
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}
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// init initialises the UI.
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func (u *UI) init() {
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u.pages.AddPage(mainPageName, u.flex, true, true)
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u.initQuitModal()
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u.pages.AddPage(quitPageName, u.quit, false, false)
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u.initAddInputModal()
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u.pages.AddPage(addPageName, u.add, false, false)
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u.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
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switch event.Rune() {
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case 'o':
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if u.flex.HasFocus() && len(u.columns) == 0 {
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u.openBoard("")
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}
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}
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return event
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})
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u.SetRoot(u.pages, true)
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}
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// initAddInputModal initialises the add input modal.
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func (u *UI) initAddInputModal() {
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doneFunc := func(text string, success bool) {
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if success {
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_ = u.newCard(text, "")
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}
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u.pages.HidePage(addPageName)
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u.setColumnFocus()
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}
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u.add.SetDoneFunc(doneFunc)
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}
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// initQuitModal initialises the quit modal.
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func (u *UI) initQuitModal() {
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quitDoneFunc := func(_ int, buttonLabel string) {
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switch buttonLabel {
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case "Quit":
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u.shutdown()
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default:
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u.pages.SwitchToPage(mainPageName)
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u.setColumnFocus()
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}
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}
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u.quit.SetText("Do you want to quit the application?").
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AddButtons([]string{"Quit", "Cancel"}).
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SetDoneFunc(quitDoneFunc)
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}
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// newCard creates and saves a new card to the database.
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func (u *UI) newCard(title, content string) error {
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args := board.CardArgs{
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NewTitle: title,
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NewContent: content,
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}
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if err := u.board.CreateCard(args); err != nil {
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return fmt.Errorf("unable to create card, %w", err)
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}
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u.refresh()
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return nil
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}
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// openBoard opens the kanban board.
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func (u *UI) openBoard(path string) error {
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b, err := board.Open(path)
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if err != nil {
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return fmt.Errorf("unable to load board, %w", err)
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}
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u.board = b
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if err = u.refresh(); err != nil {
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return err
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}
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return nil
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}
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// refresh refreshes the UI.
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func (u *UI) refresh() error {
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statusList, err := u.board.StatusList()
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if err != nil {
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return fmt.Errorf("unable to get the status list, %w", err)
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}
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u.updateColumns(statusList)
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u.setColumnFocus()
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// TODO: update move status page here
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return nil
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}
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// shutdown shuts down the application.
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func (u *UI) shutdown() {
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u.closeBoard()
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u.Stop()
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}
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