refactor all container widgets into subpackage

cwidgets/compact/main.go

@@ -0,0 +1,143 @@
+package compact
+
+import (
+	"fmt"
+	"github.com/bcicen/ctop/cwidgets"
+	"strconv"
+
+	ui "github.com/gizak/termui"
+)
+
+const (
+	mark        = string('\u25C9')
+	vBar        = string('\u25AE')
+	colSpacing  = 1
+	statusWidth = 3
+)
+
+type Compact struct {
+	Status *ui.Par
+	Cid    *ui.Par
+	Net    *ui.Par
+	Name   *ui.Par
+	Cpu    *ui.Gauge
+	Memory *ui.Gauge
+}
+
+func NewCompact(id, name, status string) *Compact {
+	w := &Compact{
+		Status: slimPar(mark),
+		Cid:    slimPar(id),
+		Name:   slimPar(name),
+	}
+	w.Reset()
+	w.SetStatus(status)
+	return w
+}
+
+// Set gauges, counters to default unread values
+func (w *Compact) Reset() {
+	w.Net = slimPar("-")
+	w.Cpu = slimGauge()
+	w.Memory = slimGauge()
+}
+
+func (w *Compact) all() []ui.GridBufferer {
+	return []ui.GridBufferer{
+		w.Status,
+		w.Name,
+		w.Cid,
+		w.Cpu,
+		w.Memory,
+		w.Net,
+	}
+}
+
+func (w *Compact) SetY(y int) {
+	for _, col := range w.all() {
+		col.SetY(y)
+	}
+}
+
+func (w *Compact) SetWidth(width int) {
+	x := 1
+	autoWidth := calcWidth(width, 5)
+	for n, col := range w.all() {
+		if n == 0 {
+			col.SetX(x)
+			col.SetWidth(statusWidth)
+			x += statusWidth
+			continue
+		}
+		col.SetX(x)
+		col.SetWidth(autoWidth)
+		x += autoWidth + colSpacing
+	}
+}
+
+func (w *Compact) Render(y, rowWidth int) {}
+
+func (w *Compact) Buffer() ui.Buffer {
+	buf := ui.NewBuffer()
+
+	buf.Merge(w.Status.Buffer())
+	buf.Merge(w.Name.Buffer())
+	buf.Merge(w.Cid.Buffer())
+	buf.Merge(w.Cpu.Buffer())
+	buf.Merge(w.Memory.Buffer())
+	buf.Merge(w.Net.Buffer())
+
+	return buf
+}
+
+func (w *Compact) Highlight() {
+	w.Name.TextFgColor = ui.ColorDefault
+	w.Name.TextBgColor = ui.ColorWhite
+}
+
+func (w *Compact) UnHighlight() {
+	w.Name.TextFgColor = ui.ColorWhite
+	w.Name.TextBgColor = ui.ColorDefault
+}
+
+func (w *Compact) SetStatus(val string) {
+	switch val {
+	case "running":
+		w.Status.Text = mark
+		w.Status.TextFgColor = ui.ColorGreen
+	case "exited":
+		w.Status.Text = mark
+		w.Status.TextFgColor = ui.ColorRed
+	case "paused":
+		w.Status.Text = fmt.Sprintf("%s%s", vBar, vBar)
+		w.Status.TextFgColor = ui.ColorDefault
+	default:
+		w.Status.Text = mark
+		w.Status.TextFgColor = ui.ColorRed
+	}
+}
+
+func (w *Compact) SetCPU(val int) {
+	w.Cpu.BarColor = cwidgets.ColorScale(val)
+	w.Cpu.Label = fmt.Sprintf("%s%%", strconv.Itoa(val))
+	if val < 5 {
+		val = 5
+		w.Cpu.BarColor = ui.ColorBlack
+	}
+	w.Cpu.Percent = val
+}
+
+func (w *Compact) SetNet(rx int64, tx int64) {
+	w.Net.Text = fmt.Sprintf("%s / %s", cwidgets.ByteFormat(rx), cwidgets.ByteFormat(tx))
+}
+
+func (w *Compact) SetMem(val int64, limit int64, percent int) {
+	w.Memory.Label = fmt.Sprintf("%s / %s", cwidgets.ByteFormat(val), cwidgets.ByteFormat(limit))
+	if percent < 5 {
+		percent = 5
+		w.Memory.BarColor = ui.ColorBlack
+	} else {
+		w.Memory.BarColor = ui.ColorGreen
+	}
+	w.Memory.Percent = percent
+}