Use sort containers by state by default

Implements #224
Use sort containers by state as default behavior

Legacy sort by name behavior can be set using a user config setting.
`sortContainersByName` is false by default.

pkg/commands/docker.go

@@ -243,6 +243,7 @@ func (c *DockerCommand) RefreshContainersAndServices() error {
 	c.Containers = containers
 	c.Services = services
 	c.DisplayContainers = c.filterOutExited(displayContainers)
+	c.DisplayContainers = c.sortedContainers(c.DisplayContainers)
 
 	return nil
 }
@@ -274,6 +275,22 @@ func (c *DockerCommand) filterOutExited(containers []*Container) []*Container {
 	return toReturn
 }
 
+// sortedContainers returns containers sorted by state if c.SortContainersByState is true (follows 1- running, 2- exited, 3- created)
+// and sorted by name if c.SortContainersByState is false
+func (c *DockerCommand) sortedContainers(containers []*Container) []*Container {
+	if !c.Config.UserConfig.Gui.SortContainersByName {
+		sort.Slice(containers, func(i, j int) bool {
+			states := map[string]int{
+				"running": 1,
+				"exited":  2,
+				"created": 3,
+			}
+			return states[containers[i].Container.State] < states[containers[j].Container.State]
+		})
+	}
+	return containers
+}
+
 // obtainStandaloneContainers returns standalone containers. Standalone containers are containers which are either one-off containers, or whose service is not part of this docker-compose context
 func (c *DockerCommand) obtainStandaloneContainers(containers []*Container, services []*Service) []*Container {
 	standaloneContainers := []*Container{}

pkg/commands/os_default_platform.go

@@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows
 
 package commands

pkg/config/app_config.go

@@ -112,6 +112,11 @@ type GuiConfig struct {
 
 	// WrapMainPanel determines whether we use word wrap on the main panel
 	WrapMainPanel bool `yaml:"wrapMainPanel,omitempty"`
+
+	// SortContainersByName determines if containers should be sorted by name.
+	// By default, containers are now sorted by status. This setting allows users to
+	// use legacy behaviour instead.
+	SortContainersByName bool `yaml:"sortContainersByName, omitempty"`
 }
 
 // CommandTemplatesConfig determines what commands actually get called when we
@@ -325,6 +330,7 @@ func GetDefaultConfig() UserConfig {
 			ShowAllContainers: false,
 			ReturnImmediately: false,
 			WrapMainPanel:     false,
+			SortContainersByName: false,
 		},
 		Reporting:     "undetermined",
 		ConfirmOnQuit: false,

pkg/config/config_default_platform.go

@@ -1,3 +1,4 @@
+//go:build !windows && !linux
 // +build !windows,!linux
 
 package config

pkg/gui/containers_panel.go

@@ -618,3 +618,4 @@ func (gui *Gui) openContainerInBrowser(container *commands.Container) error {
 	link := fmt.Sprintf("http://%s:%d/", ip, port.PublicPort)
 	return gui.OSCommand.OpenLink(link)
 }
+

pkg/i18n/english.go

@@ -84,6 +84,7 @@ type TranslationSet struct {
 	RunCustomCommand           string
 	ViewBulkCommands           string
 	OpenInBrowser              string
+	SortContainersByState      string
 
 	LogsTitle                string
 	ConfigTitle              string
@@ -154,6 +155,7 @@ func englishSet() TranslationSet {
 		RunCustomCommand:      "run predefined custom command",
 		ViewBulkCommands:      "view bulk commands",
 		OpenInBrowser:         "open in browser (first port is http)",
+		SortContainersByState: "sort containers by state",
 
 		AnonymousReportingTitle:  "Help make lazydocker better",
 		AnonymousReportingPrompt: "Would you like to enable anonymous reporting data to help improve lazydocker?",