Example #1
0
func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	//termui.UseTheme("helloworld")

	bc := termui.NewMBarChart()
	math := []int{90, 85, 90, 80}
	english := []int{70, 85, 75, 60}
	science := []int{75, 60, 80, 85}
	compsci := []int{100, 100, 100, 100}
	bc.Data[0] = math
	bc.Data[1] = english
	bc.Data[2] = science
	bc.Data[3] = compsci
	studentsName := []string{"Ken", "Rob", "Dennis", "Linus"}
	bc.BorderLabel = "Student's Marks X-Axis=Name Y-Axis=Marks[Math,English,Science,ComputerScience] in %"
	bc.Width = 100
	bc.Height = 30
	bc.Y = 0
	bc.BarWidth = 10
	bc.DataLabels = studentsName
	bc.ShowScale = true //Show y_axis scale value (min and max)
	bc.SetMax(400)

	bc.TextColor = termui.ColorGreen    //this is color for label (x-axis)
	bc.BarColor[3] = termui.ColorGreen  //BarColor for computerscience
	bc.BarColor[1] = termui.ColorYellow //Bar Color for english
	bc.NumColor[3] = termui.ColorRed    // Num color for computerscience
	bc.NumColor[1] = termui.ColorRed    // num color for english

	//Other colors are automatically populated, btw All the students seems do well in computerscience. :p

	termui.Render(bc)

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

}
func (gv *graphicalVisualizer) PrintDistributionChart(rate time.Duration) error {

	//Initialize termui
	err := termui.Init()
	if err != nil {
		return errors.New("Unable to initalize terminal graphics mode.")
		//panic(err)
	}
	defer termui.Close()
	if rate <= time.Duration(0) {
		rate = graphicalRateDelta
	}

	termui.UseTheme("helloworld")

	//Initalize some widgets
	p := termui.NewPar("Lattice Visualization")
	if p == nil {
		return errors.New("Error Initializing termui objects NewPar")
	}
	p.Height = 1
	p.Width = 25
	p.TextFgColor = termui.ColorWhite
	p.HasBorder = false

	r := termui.NewPar(fmt.Sprintf("rate:%v", rate))
	if r == nil {
		return errors.New("Error Initializing termui objects NewPar")
	}
	r.Height = 1
	r.Width = 10
	r.TextFgColor = termui.ColorWhite
	r.HasBorder = false

	s := termui.NewPar("hit [+=inc; -=dec; q=quit]")
	if s == nil {
		return errors.New("Error Initializing termui objects NewPar")
	}
	s.Height = 1
	s.Width = 30
	s.TextFgColor = termui.ColorWhite
	s.HasBorder = false

	bg := termui.NewMBarChart()
	if bg == nil {
		return errors.New("Error Initializing termui objects NewMBarChart")
	}
	bg.IsDisplay = false
	bg.Data[0] = []int{0}
	bg.DataLabels = []string{"Missing"}
	bg.Width = termui.TermWidth() - 10
	bg.Height = termui.TermHeight() - 5
	bg.BarColor[0] = termui.ColorGreen
	bg.BarColor[1] = termui.ColorYellow
	bg.NumColor[0] = termui.ColorRed
	bg.NumColor[1] = termui.ColorRed
	bg.TextColor = termui.ColorWhite
	bg.Border.LabelFgColor = termui.ColorWhite
	bg.Border.Label = "[X-Axis: Cells; Y-Axis: Instances]"
	bg.BarWidth = 10
	bg.BarGap = 1
	bg.ShowScale = true

	//12 column grid system
	termui.Body.AddRows(termui.NewRow(termui.NewCol(12, 5, p)))
	termui.Body.AddRows(termui.NewRow(termui.NewCol(12, 0, bg)))
	termui.Body.AddRows(termui.NewRow(termui.NewCol(6, 0, s), termui.NewCol(6, 5, r)))

	termui.Body.Align()

	termui.Render(termui.Body)

	bg.IsDisplay = true
	clock := clock.NewClock()
	evt := termui.EventCh()
	for {
		select {
		case e := <-evt:
			if e.Type == termui.EventKey {
				switch {
				case (e.Ch == 'q' || e.Ch == 'Q'):
					return nil
				case (e.Ch == '+' || e.Ch == '='):
					rate += graphicalRateDelta
				case (e.Ch == '_' || e.Ch == '-'):
					rate -= graphicalRateDelta
					if rate <= time.Duration(0) {
						rate = graphicalRateDelta
					}
				}
				r.Text = fmt.Sprintf("rate:%v", rate)
				termui.Render(termui.Body)
			}
			if e.Type == termui.EventResize {
				termui.Body.Width = termui.TermWidth()
				termui.Body.Align()
				termui.Render(termui.Body)
			}
		case <-clock.NewTimer(rate).C():
			err := gv.getProgressBars(bg)
			if err != nil {
				return err
			}
			termui.Render(termui.Body)
		}
	}
	return nil
}