init global config

config.go

@@ -0,0 +1,13 @@
+package main
+
+type Config struct {
+	sortField string
+}
+
+var DefaultConfig = NewDefaultConfig()
+
+func NewDefaultConfig() Config {
+	return Config{
+		sortField: "id",
+	}
+}

containermap.go

@@ -23,18 +23,18 @@ func NewContainerMap() *ContainerMap {
 	}
 
 	cm := &ContainerMap{
+		config:     DefaultConfig,
 		client:     client,
 		containers: make(map[string]*Container),
-		sortField:  SortFields[0],
 	}
 	cm.Refresh()
 	return cm
 }
 
 type ContainerMap struct {
+	config     Config
 	client     *docker.Client
 	containers map[string]*Container
-	sortField  string
 }
 
 func (cm *ContainerMap) Refresh() {
@@ -76,11 +76,12 @@ func (cm *ContainerMap) Get(id string) *Container {
 	return cm.containers[id]
 }
 
-// Return array of all containers
+// Return array of all containers, sorted by field
 func (cm *ContainerMap) All() []*Container {
 	var containers []*Container
 	for _, c := range cm.containers {
 		containers = append(containers, c)
 	}
+	SortContainers(cm.config.sortField, containers)
 	return containers
 }

grid.go

@@ -14,7 +14,7 @@ type Grid struct {
 
 func NewGrid() *Grid {
 	containerMap := NewContainerMap()
-	containers := containerMap.Sorted()
+	containers := containerMap.All()
 	return &Grid{
 		cursorID:     containers[0].id,
 		containers:   containers,
@@ -136,7 +136,7 @@ func Display(g *Grid) bool {
 		ui.StopLoop()
 	})
 	ui.Handle("/timer/1s", func(e ui.Event) {
-		g.containers = g.containerMap.Sorted() // refresh containers for current sort order
+		g.containers = g.containerMap.All() // refresh containers for current sort order
 		g.redrawRows()
 	})
 

main.go

@@ -9,6 +9,7 @@ func main() {
 		panic(err)
 	}
 	defer ui.Close()
+
 	g := NewGrid()
 	for {
 		exit := Display(g)

menu.go

@@ -30,16 +30,9 @@ func (m *Menu) Buffer() ui.Buffer {
 	buf := m.Block.Buffer()
 
 	for n, item := range m.Items {
-		//if n >= m.innerArea.Dy() {
-		//buf.Set(m.innerArea.Min.X+m.innerArea.Dx()-1,
-		//m.innerArea.Min.Y+m.innerArea.Dy()-1,
-		//ui.Cell{Ch: '…', Fg: m.TextFgColor, Bg: m.TextBgColor})
-		//break
-		//}
-
 		x := 2 // initial offset
-		// invert bg/fg colors on currently selected row
 		for _, ch := range item {
+			// invert bg/fg colors on currently selected row
 			if m.Selectable && n == m.cursorPos {
 				cell = ui.Cell{Ch: ch, Fg: m.TextBgColor, Bg: m.TextFgColor}
 			} else {
@@ -100,7 +93,7 @@ func SortMenu(g *Grid) {
 		m.Down()
 	})
 	ui.Handle("/sys/kbd/<enter>", func(ui.Event) {
-		g.containerMap.sortField = m.Items[m.cursorPos]
+		g.containerMap.config.sortField = m.Items[m.cursorPos]
 		ui.StopLoop()
 	})
 	ui.Loop()

sort.go

@@ -6,6 +6,22 @@ import (
 
 var SortFields = []string{"id", "name", "cpu", "mem"}
 
+// Sort array of containers by field
+func SortContainers(field string, containers []*Container) {
+	switch field {
+	case "id":
+		sort.Sort(ByID(containers))
+	case "name":
+		sort.Sort(ByName(containers))
+	case "cpu":
+		sort.Sort(sort.Reverse(ByCPU(containers)))
+	case "mem":
+		sort.Sort(sort.Reverse(ByMem(containers)))
+	default:
+		sort.Sort(ByID(containers))
+	}
+}
+
 type ByID []*Container
 
 func (a ByID) Len() int           { return len(a) }
@@ -29,23 +45,3 @@ type ByMem []*Container
 func (a ByMem) Len() int           { return len(a) }
 func (a ByMem) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
 func (a ByMem) Less(i, j int) bool { return a[i].reader.MemUsage < a[j].reader.MemUsage }
-
-// Return array of containers, sorted by field
-func (cm *ContainerMap) Sorted() []*Container {
-	containers := cm.All()
-
-	switch cm.sortField {
-	case "id":
-		sort.Sort(ByID(containers))
-	case "name":
-		sort.Sort(ByName(containers))
-	case "cpu":
-		sort.Sort(sort.Reverse(ByCPU(containers)))
-	case "mem":
-		sort.Sort(sort.Reverse(ByMem(containers)))
-	default:
-		sort.Sort(ByID(containers))
-	}
-
-	return containers
-}