129 lines
2.5 KiB
Go
129 lines
2.5 KiB
Go
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package ui
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import (
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"fmt"
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"os"
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"time"
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"git.bullercodeworks.com/brian/gime/cli"
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"git.bullercodeworks.com/brian/wandle"
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"github.com/nsf/termbox-go"
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)
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// Screen/Source Ids
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const (
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ListTimersId = ScreenMsgSource(iota << 8)
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SettingsId
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ErrorId
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)
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// Commands
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const (
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CmdCanceled = ScreenMsgCommand(iota)
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CmdSaved
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// Goto Screen Commands
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CmdGotoSettings
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CmdGotoTimerList
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)
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func RunTUI(p *cli.Program) error {
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ui := NewUi(p)
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ui.debug = true
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if err := ui.Start(); err != nil {
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return err
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}
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// Exiting
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fmt.Printf("Done\n")
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return nil
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}
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type Ui struct {
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debug bool
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wandle *wandle.Program
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program *cli.Program
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err error
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screens map[ScreenMsgSource]wandle.Screen
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prevScreen, currScreen ScreenMsgSource
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}
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func NewUi(p *cli.Program) *Ui {
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ui := &Ui{
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screens: make(map[ScreenMsgSource]wandle.Screen),
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program: p,
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err: p.Initialize(),
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}
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var s wandle.Screen
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var sId ScreenMsgSource
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if ui.err != nil {
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s, sId = NewSettingsScreen(ui), SettingsId
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} else {
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if ui.err = ui.program.LoadTimerList(); ui.err != nil {
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s, sId = NewSettingsScreen(ui), SettingsId
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} else if ui.err = ui.program.LoadDoneList(); ui.err != nil {
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s, sId = NewSettingsScreen(ui), SettingsId
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} else {
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s, sId = NewListTimersScreen(ui), ListTimersId
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}
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}
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ui.screens[sId] = s
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ui.currScreen = sId
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ui.wandle = wandle.NewProgram(s)
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ui.wandle.Style(wandle.NewStyle(
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termbox.RGBToAttribute(uint8(0), uint8(255), uint8(0)),
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termbox.RGBToAttribute(uint8(0), uint8(0), uint8(0)),
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))
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return ui
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}
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func (u *Ui) GotoScreen(id ScreenMsgSource) func() wandle.Msg {
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u.prevScreen, u.currScreen = u.currScreen, id
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if s, ok := u.screens[id]; ok {
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return wandle.SwitchScreenCmd(s)
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}
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var s wandle.Screen
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switch id {
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case ListTimersId:
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s = NewListTimersScreen(u)
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case SettingsId:
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s = NewSettingsScreen(u)
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}
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u.screens[id] = s
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return wandle.SwitchScreenCmd(s)
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}
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func (u *Ui) CanGoBack() bool {
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return u.prevScreen > 0
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}
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func (u *Ui) GoBack() func() wandle.Msg {
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if !u.CanGoBack() {
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return nil
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}
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return u.GotoScreen(u.prevScreen)
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}
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func (u *Ui) Log(v string) error {
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f, err := os.OpenFile("gime.log", os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
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if err != nil {
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panic(err)
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}
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defer f.Close()
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_, err = f.WriteString(fmt.Sprintf("%s: %s\n", time.Now().Format(time.RFC3339), v))
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return err
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}
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func (u *Ui) Start() error {
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return u.wandle.Start()
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}
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type ScreenMsg struct {
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source ScreenMsgSource
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command ScreenMsgCommand
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data interface{}
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err error
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}
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type ScreenMsgSource int
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type ScreenMsgCommand int
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