Re-add command line help

flags/flags.go

@@ -6,11 +6,14 @@ import (
 	"path/filepath"
 
 	goFlags "github.com/jessevdk/go-flags"
+	"github.com/olebedev/config"
+	"github.com/wtfutil/wtf/help"
 	"github.com/wtfutil/wtf/utils"
 )
 
 type Flags struct {
 	Config  string `short:"c" long:"config" optional:"yes" description:"Path to config file"`
+	Module  string `short:"m" long:"module" optional:"yes" description:"Display info about a specific module, i.e.: 'wtf -m=todo'"`
 	Profile bool   `short:"p" long:"profile" optional:"yes" description:"Profile application memory usage"`
 	Version bool   `short:"v" long:"version" description:"Show version info"`
 }
@@ -26,7 +29,12 @@ func (flags *Flags) ConfigFilePath() string {
 	return flags.Config
 }
 
-func (flags *Flags) Display(version string) {
+func (flags *Flags) Display(version string, config *config.Config) {
+	if flags.HasModule() {
+		help.Display(flags.Module, config)
+		os.Exit(0)
+	}
+
 	if flags.HasVersion() {
 		fmt.Println(version)
 		os.Exit(0)
@@ -37,6 +45,10 @@ func (flags *Flags) HasConfig() bool {
 	return len(flags.Config) > 0
 }
 
+func (flags *Flags) HasModule() bool {
+	return len(flags.Module) > 0
+}
+
 func (flags *Flags) HasVersion() bool {
 	return flags.Version == true
 }

help/help.go

@@ -0,0 +1,22 @@
+package help
+
+import (
+	"fmt"
+
+	//"github.com/wtfutil/wtf/cfg"
+	"github.com/olebedev/config"
+	"github.com/wtfutil/wtf/maker"
+)
+
+func Display(moduleName string, config *config.Config) {
+	if moduleName == "" {
+		fmt.Println("\n  --module takes a module name as an argument, i.e: '--module=github'")
+	} else {
+		fmt.Printf("%s\n", helpFor(moduleName, config))
+	}
+}
+
+func helpFor(moduleName string, config *config.Config) string {
+	widget := maker.MakeWidget(nil, nil, moduleName, moduleName, config, config)
+	return widget.HelpText()
+}

main.go

@@ -114,14 +114,13 @@ func main() {
 
 	flags := flags.NewFlags()
 	flags.Parse()
-	flags.Display(version)
+	config := cfg.LoadConfigFile(flags.ConfigFilePath())
+	flags.Display(version, config)
 
 	cfg.MigrateOldConfig()
 	cfg.CreateConfigDir()
 	cfg.CreateConfigFile()
 
-	config := cfg.LoadConfigFile(flags.ConfigFilePath())
-
 	if flags.Profile {
 		defer profile.Start(profile.MemProfile).Stop()
 	}

modules/datadog/widget.go

@@ -64,6 +64,10 @@ func (widget *Widget) Render() {
 	widget.Redraw(widget.CommonSettings.Title, content, false)
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) contentFrom(triggeredMonitors []datadog.Monitor) string {

modules/gerrit/widget.go

@@ -90,6 +90,10 @@ func (widget *Widget) Refresh() {
 	widget.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) nextProject() {

modules/git/widget.go

@@ -85,6 +85,10 @@ func (widget *Widget) Refresh() {
 	widget.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) addCheckoutButton(form *tview.Form, fctn func()) {

modules/github/widget.go

@@ -67,6 +67,10 @@ func (widget *Widget) Prev() {
 	widget.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) buildRepoCollection(repoData map[string]interface{}) []*GithubRepo {

modules/gitlab/widget.go

@@ -73,6 +73,10 @@ func (widget *Widget) Prev() {
 	widget.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) buildProjectCollection(projectData map[string]interface{}) []*GitlabProject {

modules/gitter/widget.go

@@ -64,6 +64,10 @@ func (widget *Widget) Refresh() {
 	widget.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) display() {

modules/mercurial/widget.go

@@ -79,6 +79,10 @@ func (widget *Widget) Refresh() {
 	widget.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) addCheckoutButton(form *tview.Form, fctn func()) {

modules/nbascore/widget.go

@@ -47,6 +47,10 @@ func (widget *Widget) Refresh() {
 	widget.Redraw(widget.CommonSettings.Title, widget.nbascore(), false)
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 func (widget *Widget) nbascore() string {
 	cur := time.Now().AddDate(0, 0, offset) // Go back/forward offset days
 	curString := cur.Format("20060102")     // Need 20060102 format to feed to api

modules/spotify/widget.go

@@ -55,6 +55,10 @@ func (w *Widget) Refresh() {
 	w.render()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 func (w *Widget) render() {
 	err := w.refreshSpotifyInfos()
 	var content string

modules/spotifyweb/widget.go

@@ -165,6 +165,10 @@ func (w *Widget) Refresh() {
 	}
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 func (w *Widget) createOutput() string {
 	output := wtf.CenterText(fmt.Sprintf("[green]Now %v [white]\n", w.Info.Status), w.Width())
 	output += wtf.CenterText(fmt.Sprintf("[green]Title:[white] %v\n", w.Info.Title), w.Width())

modules/textfile/widget.go

@@ -63,6 +63,10 @@ func (widget *Widget) Refresh() {
 	widget.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) display() {

modules/todo/widget.go

@@ -65,6 +65,10 @@ func (widget *Widget) SetList(list checklist.Checklist) {
 	widget.list = list
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 // edit opens a modal dialog that permits editing the text of the currently-selected item

modules/todoist/widget.go

@@ -77,6 +77,10 @@ func (w *Widget) Refresh() {
 	w.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Keyboard Movement -------------------- */
 
 // Down selects the next item in the list

modules/twitter/widget.go

@@ -54,6 +54,10 @@ func (widget *Widget) Refresh() {
 	widget.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) display() {

modules/weatherservices/weather/widget.go

@@ -87,6 +87,10 @@ func (widget *Widget) Prev() {
 	widget.display()
 }
 
+func (widget *Widget) HelpText() string {
+	return widget.KeyboardWidget.HelpText()
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *Widget) apiKeyValid() bool {

wtf/bargraph.go

@@ -112,6 +112,10 @@ func (widget *BarGraph) TextView() *tview.TextView {
 	return widget.View
 }
 
+func (widget *BarGraph) HelpText() string {
+	return "No help available for this widget"
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *BarGraph) addView() *tview.TextView {

wtf/keyboard_widget.go

@@ -78,7 +78,7 @@ func (widget *KeyboardWidget) InputCapture(event *tcell.EventKey) *tcell.EventKe
 	return event
 }
 
-func (widget *KeyboardWidget) helpText() string {
+func (widget *KeyboardWidget) HelpText() string {
 
 	str := "Keyboard commands for " + widget.settings.Module.Type + "\n\n"
 
@@ -99,7 +99,7 @@ func (widget *KeyboardWidget) ShowHelp() {
 		widget.app.SetFocus(widget.view)
 	}
 
-	modal := NewBillboardModal(widget.helpText(), closeFunc)
+	modal := NewBillboardModal(widget.HelpText(), closeFunc)
 
 	widget.pages.AddPage("help", modal, false, true)
 	widget.app.SetFocus(modal)

wtf/text_widget.go

@@ -119,6 +119,10 @@ func (widget *TextWidget) Redraw(title, text string, wrap bool) {
 	})
 }
 
+func (widget *TextWidget) HelpText() string {
+	return fmt.Sprintf("\n  There is no help available for this widget")
+}
+
 /* -------------------- Unexported Functions -------------------- */
 
 func (widget *TextWidget) addView() *tview.TextView {

wtf/wtfable.go

@@ -14,6 +14,7 @@ type Wtfable interface {
 	Name() string
 	SetFocusChar(string)
 	TextView() *tview.TextView
+	HelpText() string
 
 	Height() int
 	Left() int