added view for goSDN logs

cmd/gosdn-tview/views/commandsListView.go

@@ -35,7 +35,7 @@ func (cv *CommandListView) GetContent() tview.Primitive {
 func (cv *CommandListView) GetCommands(app *app.App, rv *ResultAndInputView,
 	conn *grpc.ClientConn) {
 	//TODO: create own command in grpc -> commands
-	cv.commandsList.AddItem("AddPND", "closes the application", '!', func() {
+	cv.commandsList.AddItem("AddPND", "closes the application", 'a', func() {
 		rv.ChangeContentView("addPND")
 		app.SetFocus(rv.GetContent())
 	})
@@ -43,13 +43,17 @@ func (cv *CommandListView) GetCommands(app *app.App, rv *ResultAndInputView,
 	for i, command := range commands.CommandList {
 		f := command.Function
 		cv.commandsList.
-			AddItem(command.Name, command.Description, rune('a'+i), func() {
+			AddItem(command.Name, command.Description, rune('b'+i), func() {
 				r := f(conn)
 				rv.SetContent(r)
 				rv.ChangeContentView("result")
 			})
 	}
 
+	cv.commandsList.AddItem("Show Log", "shows the log of goSDN", 'l', func() {
+		rv.ChangeContentView("log")
+	})
+
 	cv.commandsList.AddItem("quit", "closes the application", 'q', func() {
 		app.Stop()
 	})

cmd/gosdn-tview/views/consoleLogView.go

+package views
+
+import "github.com/rivo/tview"
+
+//ConsoleLogView is an application view to create a view for goSDN log messages
+type ConsoleLogView struct {
+	consoleLogView *tview.TextView
+}
+
+//NewConsoleLogView creates a new ConsoleLogView
+func NewConsoleLogView() *ConsoleLogView {
+	clv := &ConsoleLogView{
+		consoleLogView: tview.NewTextView(),
+	}
+	clv.consoleLogView.
+		SetDynamicColors(true).
+		SetTextAlign(tview.AlignCenter).
+		SetRegions(true).
+		SetBorder(true).
+		SetTitle("goSDN Logger Output")
+
+	return clv
+}
+
+//GetContent returns the tview.Primitive belonging to the ConsoleLogView
+func (clv *ConsoleLogView) GetContent() tview.Primitive {
+	return clv.consoleLogView
+}
+
+//Write implements the io.Writer interface via tview.textView.Write().
+//Gets a string and converts it to a byte slice and writes it to the textView
+//buffer
+func (clv *ConsoleLogView) Write(s string) (n int, err error) {
+	b := []byte(s)
+	return clv.consoleLogView.Write(b)
+}

cmd/gosdn-tview/views/resultAndInputView.go

@@ -8,17 +8,19 @@ import (
 //ResultAndInputView is an application view to display different other views.
 //Depending on the required features the views are changed.
 type ResultAndInputView struct {
-	pages        *tview.Pages
-	resultView   *tview.TextView
-	pndInputView *AddPNDView
+	pages          *tview.Pages
+	resultView     *tview.TextView
+	pndInputView   *AddPNDView
+	consoleLogView *ConsoleLogView
 }
 
 //NewResultAndInputView creates a new ResultAndInputView
 func NewResultAndInputView(app *app.App) *ResultAndInputView {
 	rv := &ResultAndInputView{
-		pages:        tview.NewPages(),
-		pndInputView: NewAddPNDView(app),
-		resultView:   tview.NewTextView(),
+		pages:          tview.NewPages(),
+		pndInputView:   NewAddPNDView(app),
+		resultView:     tview.NewTextView(),
+		consoleLogView: NewConsoleLogView(),
 	}
 	rv.resultView.
 		SetDynamicColors(true).
@@ -29,7 +31,8 @@ func NewResultAndInputView(app *app.App) *ResultAndInputView {
 
 	rv.pages.
 		AddPage("result", rv.resultView, true, true).
-		AddPage("addPND", rv.pndInputView.GetContent(), true, false)
+		AddPage("addPND", rv.pndInputView.GetContent(), true, false).
+		AddPage("log", rv.consoleLogView.GetContent(), true, false)
 
 	return rv
 }