gomp/ui/progressBar.go
2022-08-29 18:04:34 +05:30

126 lines
3.3 KiB
Go

package ui
import (
"fmt"
"strconv"
"strings"
"github.com/fhs/gompd/mpd"
"github.com/gdamore/tcell/v2"
"github.com/aditya-K2/gomp/utils"
"github.com/aditya-K2/tview"
)
var (
CurrentSong string = ""
CONN *mpd.Client
RENDERER interface{ Send(string) }
)
func SetConnection(c *mpd.Client) {
CONN = c
}
func ConnectRenderer(r interface{ Send(string) }) {
RENDERER = r
}
// ProgressBar is a two-lined Box. First line is the BarTitle
// Second being the actual progress done.
// Use SetProgressFunc to provide the callback which provides the Fields each time the ProgressBar will be Drawn.
// The progressFunc must return (BarTitle, BarTopTitle, BarText, percentage) respectively
type ProgressBar struct {
*tview.Box
BarTitle string
BarText string
BarTopTitle string
progressFunc func() (BarTitle string,
BarTopTitle string,
BarText string,
percentage float64)
}
func (self *ProgressBar) SetProgressFunc(pfunc func() (string, string, string, float64)) *ProgressBar {
self.progressFunc = pfunc
return self
}
func NewProgressBar() *ProgressBar {
return &ProgressBar{
Box: tview.NewBox(),
}
}
func GetProgressGlyph(width, percentage float64, btext string) string {
q := "[black:white:b]"
var a string
a += strings.Repeat(" ", int(width)-len(btext))
a = utils.InsertAt(a, btext, int(width/2)-10)
a = utils.InsertAt(a, "[-:-:-]", int(width*percentage/100))
q += a
return q
}
func (self *ProgressBar) Draw(screen tcell.Screen) {
var (
OFFSET int = 1
)
self.Box.SetBorder(true)
self.Box.SetBackgroundColor(tcell.ColorDefault)
var percentage float64
self.BarTitle, self.BarTopTitle, self.BarText, percentage = self.progressFunc()
self.DrawForSubclass(screen, self.Box)
self.Box.SetTitle(self.BarTopTitle)
self.Box.SetTitleAlign(tview.AlignRight)
x, y, _width, _ := self.Box.GetInnerRect()
tview.Print(screen, self.BarTitle, x+OFFSET, y, _width, tview.AlignLeft, tcell.ColorWhite)
tview.Print(screen,
GetProgressGlyph(float64(_width-OFFSET-1),
percentage,
self.BarText),
x, y+2, _width-OFFSET, tview.AlignRight, tcell.ColorWhite)
}
func progressFunction() (string, string, string, float64) {
_currentAttributes, err := CONN.CurrentSong()
var song, top, text string
var percentage float64
if err == nil {
song = "[green::bi]" +
_currentAttributes["Title"] + "[-:-:-] - " + "[blue::b]" +
_currentAttributes["Artist"] + "\n"
if len(_currentAttributes) == 0 && CurrentSong != "" {
CurrentSong = ""
RENDERER.Send("stop")
} else if song != CurrentSong && len(_currentAttributes) != 0 {
RENDERER.Send(_currentAttributes["file"])
CurrentSong = song
}
} else {
utils.Print("RED", "Error Retrieving Current Song\n")
panic(err)
}
_status, err := CONN.Status()
el, err1 := strconv.ParseFloat(_status["elapsed"], 8)
du, err := strconv.ParseFloat(_status["duration"], 8)
top = fmt.Sprintf("[[::i] %s [-:-:-]Shuffle: %s Repeat: %s Volume: %s ]",
utils.FormatString(_status["state"]),
utils.FormatString(_status["random"]),
utils.FormatString(_status["repeat"]),
_status["volume"])
if du != 0 {
percentage = el / du * 100
if err == nil && err1 == nil {
text = utils.StrTime(el) + "/" + utils.StrTime(du) +
"(" + strconv.FormatFloat(percentage, 'f', 2, 32) + "%" + ")"
} else {
text = ""
}
} else {
text = " ---:---"
percentage = 0
}
return song, top, text, percentage
}