ctop/cwidgets/single/info.go

package single

import (
	"strings"

	ui "github.com/gizak/termui"
)

var displayInfo = []string{"id", "name", "image", "ports", "state", "created", "health"}

type Info struct {
	*ui.Table
	data map[string]string
}

func NewInfo(id string) *Info {
	p := ui.NewTable()
	p.Height = 4
	p.Width = colWidth[0]
	p.FgColor = ui.ThemeAttr("par.text.fg")
	p.Separator = false
	i := &Info{p, make(map[string]string)}
	i.Set("id", id)
	return i
}

func (w *Info) Set(k, v string) {
	w.data[k] = v

	// rebuild rows
	w.Rows = [][]string{}
	for _, k := range displayInfo {
		if v, ok := w.data[k]; ok {
			w.Rows = append(w.Rows, mkInfoRows(k, v)...)
		}
	}

	w.Height = len(w.Rows) + 2
}

// Build row(s) from a key and value string
func mkInfoRows(k, v string) (rows [][]string) {
	lines := strings.Split(v, "\n")

	// initial row with field name
	rows = append(rows, []string{k, lines[0]})

	// append any additional lines in seperate row
	if len(lines) > 1 {
		for _, line := range lines[1:] {
			if line != "" {
				rows = append(rows, []string{"", line})
			}
		}
	}

	return rows
}