Added a view basic translation functions + tranlation file

Gopkg.toml

@@ -39,4 +39,4 @@
 
 [[constraint]]
   name = "gopkg.in/src-d/go-git.v4"
-  revision = "43d17e14b714665ab5bc2ecc220b6740779d733f"
+  revision = "43d17e14b714665ab5bc2ecc220b6740779d733f"

gui.go

@@ -157,7 +157,7 @@ func layout(g *gocui.Gui) error {
 		if err != gocui.ErrUnknownView {
 			return err
 		}
-		v.Title = "Status"
+		v.Title = ShortLocalize("StatusTitle", "Status")
 		v.FgColor = gocui.ColorWhite
 	}
 
@@ -167,7 +167,7 @@ func layout(g *gocui.Gui) error {
 			return err
 		}
 		filesView.Highlight = true
-		filesView.Title = "Files"
+		filesView.Title = ShortLocalize("FilesTitle", "Files")
 		v.FgColor = gocui.ColorWhite
 	}
 
@@ -175,7 +175,7 @@ func layout(g *gocui.Gui) error {
 		if err != gocui.ErrUnknownView {
 			return err
 		}
-		v.Title = "Branches"
+		v.Title = ShortLocalize("BranchesTitle", "Branches")
 		v.FgColor = gocui.ColorWhite
 	}
 
@@ -183,7 +183,7 @@ func layout(g *gocui.Gui) error {
 		if err != gocui.ErrUnknownView {
 			return err
 		}
-		v.Title = "Commits"
+		v.Title = ShortLocalize("CommitsTitle", "Commits")
 		v.FgColor = gocui.ColorWhite
 	}
 
@@ -191,7 +191,7 @@ func layout(g *gocui.Gui) error {
 		if err != gocui.ErrUnknownView {
 			return err
 		}
-		v.Title = "Stash"
+		v.Title = ShortLocalize("StashTitle", "Stash")
 		v.FgColor = gocui.ColorWhite
 	}
 
@@ -210,7 +210,7 @@ func layout(g *gocui.Gui) error {
 				return err
 			}
 			g.SetViewOnBottom("commitMessage")
-			commitMessageView.Title = "Commit message"
+			commitMessageView.Title = ShortLocalize("CommitMessage", "Commit message")
 			commitMessageView.FgColor = gocui.ColorWhite
 			commitMessageView.Editable = true
 		}

i18n.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"github.com/BurntSushi/toml"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"golang.org/x/text/language"
+)
+
+// the function to setup the localizer
+func getlocalizer() *i18n.Localizer {
+
+	// TODO: currently the system language issn't detected
+	// I'm not sure how to detect it
+	var i18nObject = &i18n.Bundle{DefaultLanguage: language.English}
+	i18nObject.RegisterUnmarshalFunc("toml", toml.Unmarshal)
+	i18nObject.MustLoadMessageFile("i18n/nl.toml")
+	return i18n.NewLocalizer(i18nObject)
+}
+
+// setup the localizer for later use
+var localizer = getlocalizer()
+
+// MustLocalize handels the translations
+// expects i18n.LocalizeConfig as input: https://godoc.org/github.com/nicksnyder/go-i18n/v2/i18n#Localizer.MustLocalize
+// output: translated string
+func MustLocalize(config *i18n.LocalizeConfig) string {
+	return localizer.MustLocalize(config)
+}
+
+// ShortLocalize is for 1 line localizations
+// ID: The id that is used in the .toml translation files
+// Other: the default message it needs to return if there is no translation found or the system is english
+func ShortLocalize(ID string, Other string) string {
+	return MustLocalize(&i18n.LocalizeConfig{
+		DefaultMessage: &i18n.Message{
+			ID:    ID,
+			Other: Other,
+		},
+	})
+}

i18n/nl.toml

@@ -0,0 +1,19 @@
+# The dutch translation for this program
+
+[FilesTitle]
+other = "Bestanden"
+
+[BranchesTitle]
+other = "Branches"
+
+[CommitsTitle]
+other = "Commits"
+
+[StashTitle]
+other = "Stash"
+
+[CommitMessage]
+other = "Commit Bericht"
+
+[StatusTitle]
+other = "Status"