allow to mark multiple resources to act upon

internal/config/style.go

@@ -99,6 +99,7 @@ type (
 		FgColor     string      `yaml:"fgColor"`
 		BgColor     string      `yaml:"bgColor"`
 		CursorColor string      `yaml:"cursorColor"`
+		MarkColor   string      `yaml:"markColor"`
 		Header      TableHeader `yaml:"header"`
 	}
 
@@ -215,6 +216,7 @@ func newTable() Table {
 		FgColor:     "aqua",
 		BgColor:     "black",
 		CursorColor: "aqua",
+		MarkColor:   "darkgoldenrod",
 		Header:      newTableHeader(),
 	}
 }

internal/resource/list.go

@@ -66,6 +66,7 @@ type (
 		Rows      RowEvents
 		NumCols   map[string]bool
 		Namespace string
+		Marks     []string
 	}
 
 	// List protocol to display and update a collection of resources
@@ -84,6 +85,7 @@ type (
 		SetFieldSelector(string)
 		SetLabelSelector(string)
 		HasSelectors() bool
+		ToggleMark(sk string)
 	}
 
 	// Columnar tracks resources that can be diplayed in a tabular fashion.
@@ -127,9 +129,20 @@ type (
 		verbs           int
 		resource        Resource
 		cache           RowEvents
+		marks           []string
 	}
 )
 
+// IsMarked checks if key is marked.
+func (t *TableData) IsMarked(sk string) bool {
+	for _, mark := range t.Marks {
+		if mark == sk {
+			return true
+		}
+	}
+	return false
+}
+
 func newRowEvent(a watch.EventType, f, d Row) *RowEvent {
 	return &RowEvent{Action: a, Fields: f, Deltas: d}
 }
@@ -232,6 +245,7 @@ func (l *list) Data() TableData {
 		Rows:      l.cache,
 		NumCols:   l.resource.NumCols(l.namespace),
 		Namespace: l.namespace,
+		Marks:     l.marks,
 	}
 }
 
@@ -343,10 +357,29 @@ func (l *list) ensureDeletes(kk []string) {
 		}
 		if !found {
 			delete(l.cache, k)
+			l.removeMark(k)
 		}
 	}
 }
 
+func (l *list) removeMark(sk string) {
+	for index, mark := range l.marks {
+		if mark == sk {
+			l.marks = append(l.marks[:index], l.marks[index+1:]...)
+		}
+	}
+}
+
+func (l *list) ToggleMark(sk string) {
+	for index, mark := range l.marks {
+		if mark == sk {
+			l.marks = append(l.marks[:index], l.marks[index+1:]...)
+			return
+		}
+	}
+	l.marks = append(l.marks, sk)
+}
+
 // Helpers...
 
 func computeDeltas(evt *RowEvent, newRow, deltas Row) watch.EventType {

internal/ui/table.go

@@ -169,6 +169,16 @@ func (v *Table) GetSelectedItem() string {
 	return v.selectedItem
 }
 
+// GetSelectedItems return currently marked or selected items names.
+func (v *Table) GetSelectedItems() []string {
+	if len(v.data.Marks) > 0 {
+		items := make([]string, len(v.data.Marks))
+		copy(items, v.data.Marks)
+		return items
+	}
+	return []string{v.GetSelectedItem()}
+}
+
 func (v *Table) keyboard(evt *tcell.EventKey) *tcell.EventKey {
 	key := evt.Key()
 	if key == tcell.KeyRune {
@@ -318,6 +328,7 @@ func (v *Table) buildRow(row int, data resource.TableData, sk string, pads MaxyP
 	if v.colorerFn != nil {
 		f = v.colorerFn
 	}
+	m := data.IsMarked(sk)
 	for col, field := range data.Rows[sk].Fields {
 		header := data.Header[col]
 		field, align := v.formatCell(data.NumCols[header], header, field+Deltas(data.Rows[sk].Deltas[col], field), pads[col])
@@ -326,6 +337,9 @@ func (v *Table) buildRow(row int, data resource.TableData, sk string, pads MaxyP
 			c.SetExpansion(1)
 			c.SetAlign(align)
 			c.SetTextColor(f(data.Namespace, data.Rows[sk]))
+			if m {
+				c.SetBackgroundColor(config.AsColor(v.styles.Table().MarkColor))
+			}
 		}
 		v.SetCell(row, col, c)
 	}

internal/views/pod.go

@@ -115,15 +115,17 @@ func (v *podView) killCmd(evt *tcell.EventKey) *tcell.EventKey {
 		return evt
 	}
 
-	sel := v.masterPage().GetSelectedItem()
+	sel := v.masterPage().GetSelectedItems()
 	v.masterPage().ShowDeleted()
-	v.app.Flash().Infof("Delete resource %s %s", v.list.GetName(), sel)
-	if err := v.list.Resource().Delete(sel, true, false); err != nil {
-		v.app.Flash().Errf("Delete failed with %s", err)
-	} else {
-		deletePortForward(v.app.forwarders, sel)
-		v.refresh()
+	for _, res := range sel {
+		v.app.Flash().Infof("Delete resource %s %s", v.list.GetName(), res)
+		if err := v.list.Resource().Delete(res, true, false); err != nil {
+			v.app.Flash().Errf("Delete failed with %s", err)
+		} else {
+			deletePortForward(v.app.forwarders, res)
+		}
 	}
+	v.refresh()
 	return nil
 }
 

internal/views/resource.go

@@ -192,23 +192,42 @@ func (v *resourceView) deleteCmd(evt *tcell.EventKey) *tcell.EventKey {
 		return evt
 	}
 
-	sel := v.masterPage().GetSelectedItem()
-	msg := fmt.Sprintf("Delete %s %s?", v.list.GetName(), sel)
+	sel := v.masterPage().GetSelectedItems()
+	var msg string
+	if len(sel) > 1 {
+		msg = fmt.Sprintf("Delete %d selected %s?", len(sel), v.list.GetName())
+	} else {
+		msg = fmt.Sprintf("Delete %s %s?", v.list.GetName(), sel)
+	}
 	dialog.ShowDelete(v.Pages, msg, func(cascade, force bool) {
 		v.masterPage().ShowDeleted()
-		v.app.Flash().Infof("Delete resource %s %s", v.list.GetName(), sel)
-		if err := v.list.Resource().Delete(sel, cascade, force); err != nil {
-			v.app.Flash().Errf("Delete failed with %s", err)
-		} else {
-			deletePortForward(v.app.forwarders, sel)
-			v.refresh()
+		for _, res := range sel {
+			v.app.Flash().Infof("Delete resource %s %s", v.list.GetName(), res)
+			if err := v.list.Resource().Delete(res, cascade, force); err != nil {
+				v.app.Flash().Errf("Delete failed with %s", err)
+			} else {
+				deletePortForward(v.app.forwarders, res)
+			}
 		}
+		v.refresh()
 	}, func() {
 		v.switchPage("master")
 	})
 	return nil
 }
 
+func (v *resourceView) markCmd(evt *tcell.EventKey) *tcell.EventKey {
+	if !v.masterPage().RowSelected() {
+		return evt
+	}
+
+	sel := v.masterPage().GetSelectedItem()
+	v.list.ToggleMark(sel)
+	v.refresh()
+	v.app.Draw()
+	return nil
+}
+
 func deletePortForward(ff map[string]forwarder, sel string) {
 	for k, v := range ff {
 		tokens := strings.Split(k, ":")
@@ -371,6 +390,7 @@ func (v *resourceView) refreshActions() {
 		tcell.KeyEnter: ui.NewKeyAction("Enter", v.enterCmd, false),
 		tcell.KeyCtrlR: ui.NewKeyAction("Refresh", v.refreshCmd, false),
 	}
+	aa[tcell.KeyCtrlSpace] = ui.NewKeyAction("Mark", v.markCmd, true)
 	v.namespaceActions(aa)
 	v.defaultActions(aa)
 

skins/black_and_wtf.yml

@@ -35,6 +35,7 @@ k9s:
     fgColor: white
     bgColor: black
     cursorColor: white
+    markColor: darkgoldenrod
     header:
       fgColor: darkgray
       bgColor: black

skins/in_the_navy.yml

@@ -37,6 +37,7 @@ k9s:
     fgColor: blue
     bgColor: darkblue
     cursorColor: aqua
+    markColor: mediumslateblue
     header:
       fgColor: white
       bgColor: darkblue

skins/stock.yml

@@ -35,6 +35,7 @@ k9s:
     fgColor: blue
     bgColor: black
     cursorColor: aqua
+    markColor: darkgoldenrod
     header:
       fgColor: white
       bgColor: black