termui Dashboard sample

dashboard.go

package main

import (
	ui "github.com/gizak/termui"
	"log"
	"sync"
	"time"
)

type UiElements struct {
	sync.Mutex
	TextBoxText string
}

var (
	TopHits    *ui.List
	TextWidget *ui.Par
	Elements   = &UiElements{}
)

func main() {
	go func() {
		for {
			time.Sleep(1 * time.Second)
			now := time.Now()
			Elements.Lock()
			Elements.TextBoxText = "Date/Time: " + now.Format(time.RFC3339)
			Elements.Unlock()
		}
	}()

	if err := setupUi(); err != nil {
		log.Fatal(err)
	}

}

func setupUi() error {
	if err := ui.Init(); err != nil {
		return err
	}
	defer ui.Close()

	TopHits = ui.NewList()
	TopHits.BorderLabel = "Top hits"
	TopHits.Items = []string{
		"[1] Downloading File 1",
		"[2] Downloading File 2",
		"[3] Uploading File 3",
		"[4] Uploading File 3",
		"[5] Uploading File 3",
		"[6] Uploading File 3",
		"[7] Uploading File 3",
	}

	TopHits.Height = 8

	TextWidget = ui.NewPar("")
	TextWidget.Height = 8
	TextWidget.BorderLabel = "Demonstration"

	// build layout
	ui.Body.AddRows(
		ui.NewRow(
			ui.NewCol(6, 0, TopHits),
			ui.NewCol(6, 0, TextWidget)))

	// calculate layout
	ui.Body.Align()

	ui.Render(ui.Body)

	ui.Handle("/sys/kbd/q", func(ui.Event) {
		ui.StopLoop()
	})

	ui.Handle("/timer/1s", func(e ui.Event) {
		Elements.Lock()
		TextWidget.Text = Elements.TextBoxText
		Elements.Unlock()
		ui.Render(ui.Body)
	})

	ui.Handle("/sys/wnd/resize", func(e ui.Event) {
		ui.Body.Width = ui.TermWidth()
		ui.Body.Align()
		ui.Render(ui.Body)
	})

	// Start Ui
	ui.Loop()

	return nil
}