Add basic textfile widget.

textfile/widget.go

@@ -0,0 +1,64 @@
+package textfile
+
+import (
+	"fmt"
+	"io/ioutil"
+	"time"
+
+	"github.com/olebedev/config"
+	"github.com/senorprogrammer/wtf/homedir"
+	"github.com/senorprogrammer/wtf/wtf"
+)
+
+var Config *config.Config
+
+type Widget struct {
+	wtf.TextWidget
+
+	FilePath string
+}
+
+func NewWidget() *Widget {
+	widget := Widget{
+		TextWidget: wtf.NewTextWidget("TextFile", "textfile"),
+		FilePath:   Config.UString("wtf.mods.textfile.filepath"),
+	}
+
+	widget.View.SetWrap(true)
+
+	return &widget
+}
+
+/* -------------------- Exported Functions -------------------- */
+
+func (widget *Widget) Refresh() {
+	if widget.Disabled() {
+		return
+	}
+
+	widget.View.SetTitle(fmt.Sprintf(" %s ", widget.FilePath))
+	widget.RefreshedAt = time.Now()
+
+	widget.View.Clear()
+
+	fileData, err := widget.readFile()
+
+	if err != nil {
+		fmt.Fprintf(widget.View, "%s", err)
+	} else {
+		fmt.Fprintf(widget.View, "%s", fileData)
+	}
+}
+
+/* -------------------- Uneported Functions -------------------- */
+
+func (widget *Widget) readFile() (string, error) {
+	absPath, _ := homedir.Expand(widget.FilePath)
+
+	bytes, err := ioutil.ReadFile(absPath)
+	if err != nil {
+		return "", err
+	}
+
+	return string(bytes), nil
+}