view: summary

ui/controller.go

@@ -11,17 +11,23 @@ import (
 type controller struct {
 	app      *app.App
 	header   *views.Header
+	summary  *views.Summary
 	channels *views.Channels
 }
 
 func (c *controller) layout(g *gocui.Gui) error {
 	maxX, maxY := g.Size()
-	err := c.header.Set(g, 0, 0, maxX, 10)
+	err := c.header.Set(g, 0, 0, maxX, 2)
 	if err != nil {
 		return err
 	}
 
-	return c.channels.Set(g, 0, maxY/8, maxX-1, maxY-1)
+	err = c.summary.Set(g, 0, 2, maxX, 10)
+	if err != nil {
+		return err
+	}
+
+	return c.channels.Set(g, 0, 10, maxX-1, maxY-1)
 }
 
 func cursorDown(g *gocui.Gui, v *gocui.View) error {
@@ -109,6 +115,7 @@ func newController(app *app.App) *controller {
 	return &controller{
 		app:      app,
 		header:   views.NewHeader(),
+		summary:  views.NewSummary(),
 		channels: views.NewChannels(),
 	}
 }

ui/views/summary.go

@@ -0,0 +1,66 @@
+package views
+
+import (
+	"fmt"
+
+	"github.com/edouardparis/lntop/ui/color"
+	"github.com/jroimartin/gocui"
+)
+
+const (
+	SUMMARY_LEFT  = "summary_left"
+	SUMMARY_RIGHT = "summary_right"
+)
+
+type Summary struct {
+	left                *gocui.View
+	right               *gocui.View
+	NumPendingChannels  uint32
+	NumActiveChannels   uint32
+	NumInactiveChannels uint32
+	NumPeers            uint32
+	BlockHeight         uint32
+	Synced              bool
+}
+
+func (s *Summary) Set(g *gocui.Gui, x0, y0, x1, y1 int) error {
+	var err error
+	s.left, err = g.SetView(SUMMARY_LEFT, x0, y0, x1/2, y1)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+	}
+	s.left.Frame = false
+
+	s.right, err = g.SetView(SUMMARY_RIGHT, x1/2, y0, x1, y1)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+	}
+	s.right.Frame = false
+	s.display()
+	return nil
+}
+
+func (s *Summary) Update() {
+
+}
+
+func (s *Summary) display() {
+	s.left.Clear()
+	fmt.Fprintln(s.left, color.Green("[ Channels ]"))
+	fmt.Fprintln(s.left, fmt.Sprintf("%s %4d", color.Cyan("Pending: "), s.NumPendingChannels))
+	fmt.Fprintln(s.left, fmt.Sprintf("%s %4d", color.Cyan("Active:  "), s.NumActiveChannels))
+	fmt.Fprintln(s.left, fmt.Sprintf("%s %4d", color.Cyan("Inactive:"), s.NumInactiveChannels))
+
+	s.right.Clear()
+	fmt.Fprintln(s.right, color.Green("[ Network ]"))
+	fmt.Fprintln(s.right, fmt.Sprintf("%s %4d", color.Cyan("Block Height: "), s.BlockHeight))
+	fmt.Fprintln(s.right, fmt.Sprintf("%s %4d", color.Cyan("Synced:  "), s.NumActiveChannels))
+}
+
+func NewSummary() *Summary {
+	return &Summary{}
+}