issue-10: copy item to clipboard

Added key binding to copy selected, or marked, items to clipboard.

internal/dynamo-browse/services/itemrenderer/service.go

@@ -0,0 +1,62 @@
+package itemrenderer
+
+import (
+	"fmt"
+	"github.com/lmika/audax/internal/dynamo-browse/models"
+	"github.com/lmika/audax/internal/dynamo-browse/models/itemrender"
+	"io"
+	"text/tabwriter"
+)
+
+type Service struct {
+	styles styleRenderer
+}
+
+func NewService(fileTypeStyle StyleRenderer, metaInfoStyle StyleRenderer) *Service {
+	return &Service{
+		styles: styleRenderer{
+			fileTypeRenderer: fileTypeStyle,
+			metaInfoRenderer: metaInfoStyle,
+		},
+	}
+}
+
+func (s *Service) RenderItem(w io.Writer, item models.Item, resultSet *models.ResultSet, plainText bool) {
+	styles := s.styles
+	if plainText {
+		styles = styleRenderer{plainTextStyleRenderer{}, plainTextStyleRenderer{}}
+	}
+
+	tabWriter := tabwriter.NewWriter(w, 0, 1, 1, ' ', 0)
+
+	seenColumns := make(map[string]struct{})
+	for _, colName := range resultSet.Columns() {
+		seenColumns[colName] = struct{}{}
+		if r := item.Renderer(colName); r != nil {
+			s.renderItem(tabWriter, "", colName, r, styles)
+		}
+	}
+	for k, _ := range item {
+		if _, seen := seenColumns[k]; !seen {
+			if r := item.Renderer(k); r != nil {
+				s.renderItem(tabWriter, "", k, r, styles)
+			}
+		}
+	}
+	tabWriter.Flush()
+}
+
+func (m *Service) renderItem(w io.Writer, prefix string, name string, r itemrender.Renderer, sr styleRenderer) {
+	fmt.Fprintf(w, "%s%v\t%s\t%s%s\n",
+		prefix, name, sr.fileTypeRenderer.Render(r.TypeName()), r.StringValue(), sr.metaInfoRenderer.Render(r.MetaInfo()))
+	if subitems := r.SubItems(); len(subitems) > 0 {
+		for _, si := range subitems {
+			m.renderItem(w, prefix+"  ", si.Key, si.Value, sr)
+		}
+	}
+}
+
+type styleRenderer struct {
+	fileTypeRenderer StyleRenderer
+	metaInfoRenderer StyleRenderer
+}

internal/dynamo-browse/services/itemrenderer/stylerenderer.go

@@ -0,0 +1,11 @@
+package itemrenderer
+
+type StyleRenderer interface {
+	Render(str string) string
+}
+
+type plainTextStyleRenderer struct{}
+
+func (plainTextStyleRenderer) Render(str string) string {
+	return str
+}