Add a global Redraw method for TextWidget

Partially addresses #429, by centralizing widget drawing

modules/travisci/widget.go

@@ -27,7 +27,6 @@ type Widget struct {
 	wtf.KeyboardWidget
 	wtf.TextWidget
 
-	app      *tview.Application
 	builds   *Builds
 	selected int
 	settings *Settings
@@ -39,7 +38,6 @@ func NewWidget(app *tview.Application, pages *tview.Pages, settings *Settings) *
 		KeyboardWidget: wtf.NewKeyboardWidget(),
 		TextWidget:     wtf.NewTextWidget(app, settings.common, true),
 
-		app:      app,
 		settings: settings,
 	}
 
@@ -63,19 +61,11 @@ func (widget *Widget) Refresh() {
 	builds, err := BuildsFor(widget.settings.apiKey, widget.settings.pro)
 
 	if err != nil {
-		widget.View.SetWrap(true)
-
-		widget.app.QueueUpdateDraw(func() {
-			widget.View.SetText(err.Error())
-		})
-	} else {
-		widget.builds = builds
+		widget.Redraw(widget.CommonSettings.Title, err.Error(), true)
+		return
 	}
-
-	widget.app.QueueUpdateDraw(func() {
-		widget.View.SetTitle(widget.ContextualTitle(widget.CommonSettings.Title))
-		widget.display()
-	})
+	widget.builds = builds
+	widget.display()
 }
 
 /* -------------------- Unexported Functions -------------------- */
@@ -85,10 +75,8 @@ func (widget *Widget) display() {
 		return
 	}
 
-	widget.View.SetWrap(false)
-
-	widget.View.SetTitle(widget.ContextualTitle(fmt.Sprintf("%s - Builds", widget.CommonSettings.Title)))
-	widget.View.SetText(widget.contentFrom(widget.builds))
+	title := fmt.Sprintf("%s - Builds", widget.CommonSettings.Title)
+	widget.Redraw(title, widget.contentFrom(widget.builds), false)
 }
 
 func (widget *Widget) contentFrom(builds *Builds) string {