allow multi-line metadata in expanded view

cwidgets/expanded/info.go

@@ -1,6 +1,8 @@
 package expanded
 
 import (
+	"strings"
+
 	ui "github.com/gizak/termui"
 )
 
@@ -24,12 +26,33 @@ func NewInfo(id string) *Info {
 
 func (w *Info) Set(k, v string) {
 	w.data[k] = v
+
 	// rebuild rows
 	w.Rows = [][]string{}
 	for _, k := range displayInfo {
 		if v, ok := w.data[k]; ok {
-			w.Rows = append(w.Rows, []string{k, v})
+			w.Rows = append(w.Rows, mkInfoRows(k, v)...)
 		}
 	}
+
 	w.Height = len(w.Rows) + 2
 }
+
+// Build row(s) from a key and value string
+func mkInfoRows(k, v string) (rows [][]string) {
+	lines := strings.Split(v, "\n")
+
+	// initial row with field name
+	rows = append(rows, []string{k, lines[0]})
+
+	// append any additional lines in seperate row
+	if len(lines) > 1 {
+		for _, line := range lines[1:] {
+			if line != "" {
+				rows = append(rows, []string{"", line})
+			}
+		}
+	}
+
+	return rows
+}