[github-widgets] Add hot reloading

5 files changed, 41 insertions, 19 deletions

diff --git a/cmd/devdash/config.go b/cmd/devdash/config.go
index 08c45d6..e0ae5fc 100644
--- a/cmd/devdash/config.go
+++ b/cmd/devdash/config.go
@@ -21,6 +21,7 @@ type config struct {
 type General struct {
 	Keys    map[string]string `mapstructure:"keys"`
 	Refresh int64             `mapstructure:"refresh"`
+	Reload  bool              `mapstructure:"reload"`
 }
 
 // RefreshTime return the duration before refreshing the data of all widgets, in seconds.
diff --git a/cmd/devdash/devdash.go b/cmd/devdash/devdash.go
index fc43116..6f9b900 100644
--- a/cmd/devdash/devdash.go
+++ b/cmd/devdash/devdash.go
@@ -16,6 +16,7 @@ import (
 var debug *bool
 
 func main() {
+	// TODO add mor commands + better management of them (cobra?)
 	file := flag.String("config", ".devdash.yml", "The config file")
 	debug = flag.Bool("debug", false, "Debug mode")
 	term := flag.Bool("term", false, "Display terminal dimensions")
@@ -27,14 +28,15 @@ func main() {
 		return
 	}
 
-	cfg, tui, err := loadFile(*file)
+	termui, err := plateform.NewTermUI(*debug)
 	if err != nil {
-		internal.DisplayError(tui, err)
+		fmt.Println(err)
 	}
 
+	tui := internal.NewTUI(termui)
 	defer tui.Close()
 
-	run(cfg.Projects, tui)
+	cfg := loadFile(*file)
 
 	if _, err := os.Stat(*file); os.IsNotExist(err) {
 		internal.DisplayNoFile(tui)
@@ -46,10 +48,17 @@ func main() {
 		tui.AddRow()
 		tui.Render()
 	} else {
+		tui.AddKQuit(cfg.KQuit())
 		ticker := time.NewTicker(time.Duration(cfg.RefreshTime()) * time.Second)
 		go func() {
 			for range ticker.C {
-				tui.Clean()
+				if cfg.General.Reload {
+					// TODO add possibility to press key to reload
+					cfg = hotReload(tui, file)
+				} else {
+					tui.Clean()
+				}
+
 				run(cfg.Projects, tui)
 			}
 		}()
@@ -58,18 +67,18 @@ func main() {
 	tui.Loop()
 }
 
-func loadFile(file string) (config, *internal.Tui, error) {
-	termui, err := plateform.NewTermUI(*debug)
-	if err != nil {
-		return config{}, nil, err
-	}
+func hotReload(tui *internal.Tui, file *string) config {
+	cfg := loadFile(*file)
+	tui.HotReload()
 
-	tui := internal.NewTUI(termui)
+	return cfg
+}
+
+func loadFile(file string) config {
 	data, _ := ioutil.ReadFile(file)
 	cfg := mapConfig(data)
-	tui.AddKQuit(cfg.KQuit())
 
-	return cfg, tui, nil
+	return cfg
 }
 
 func run(projects []Project, tui *internal.Tui) {
diff --git a/internal/display_widget.go b/internal/display_widget.go
index 4cd95c8..a58831a 100644
--- a/internal/display_widget.go
+++ b/internal/display_widget.go
@@ -16,8 +16,8 @@ func DisplayNoFile(tui *Tui) {
 
 		You can name the configuration file [my-config.yml](fg-blue,fg-bold), and then run [devdash -config my-config.yml](fg-green,fg-bold).
 
-		There is an example of configuration here: 
-		[https://github.com/Phantas0s/devdash#user-content-getting-started](fg-blue,fg-bold).
+		There are multiple example of configurations there:
+		[https://thedevdash.com/getting-started/](fg-blue,fg-bold).
 
 		More complex configuration examples are available here:
 		[https://github.com/Phantas0s/devdash#configuration-examples](fg-blue,fg-bold).
diff --git a/internal/plateform/termui.go b/internal/plateform/termui.go
index 0dd9f50..37b9f9d 100644
--- a/internal/plateform/termui.go
+++ b/internal/plateform/termui.go
@@ -6,8 +6,6 @@ import (
 	"github.com/Phantas0s/termui"
 )
 
-var debug bool = false
-
 type termUI struct {
 	body    *termui.Grid
 	widgets []termui.GridBufferer
@@ -17,8 +15,6 @@ type termUI struct {
 
 // NewTermUI returns a new Terminal Interface object with a given output mode.
 func NewTermUI(d bool) (*termUI, error) {
-	debug = d
-
 	if err := termui.Init(); err != nil {
 		return nil, err
 	}
@@ -178,7 +174,7 @@ func (t *termUI) Table(
 }
 
 // KQuit set a key to quit the application.
-func (termUI) KQuit(key string) {
+func (*termUI) KQuit(key string) {
 	termui.Handle(fmt.Sprintf("/sys/kbd/%s", key), func(termui.Event) {
 		termui.StopLoop()
 	})
@@ -209,3 +205,9 @@ func (t *termUI) Clean() {
 	t.body.BgColor = termui.ThemeAttr("bg")
 	t.body.Width = termui.TermWidth()
 }
+
+func (t *termUI) HotReload() {
+	termui.Close()
+	_ = termui.Init()
+	t.Clean()
+}
diff --git a/internal/tui.go b/internal/tui.go
index 8c9b4d9..08fa131 100644
--- a/internal/tui.go
+++ b/internal/tui.go
@@ -150,11 +150,16 @@ type looper interface {
 	Loop()
 }
 
+type reloader interface {
+	HotReload()
+}
+
 type manager interface {
 	keyManager
 	renderer
 	drawer
 	looper
+	reloader
 }
 
 type coloredElements struct {
@@ -447,3 +452,8 @@ func (t *Tui) Loop() {
 func (t *Tui) Clean() {
 	t.instance.Clean()
 }
+
+// Hot reload the whole TUI
+func (t *Tui) HotReload() {
+	t.instance.HotReload()
+}