1 files changed, 140 insertions, 0 deletions
diff --git a/runtime/ui/view/layer_details.go b/runtime/ui/view/layer_details.go
new file mode 100644
index 0000000..b4c6f68
--- /dev/null
+++ b/runtime/ui/view/layer_details.go
@@ -0,0 +1,140 @@
+package view
+
+import (
+	"fmt"
+	"github.com/awesome-gocui/gocui"
+	"github.com/sirupsen/logrus"
+	"github.com/wagoodman/dive/dive/image"
+	"github.com/wagoodman/dive/runtime/ui/format"
+	"github.com/wagoodman/dive/runtime/ui/key"
+	"strings"
+)
+
+type LayerDetails struct {
+	gui          *gocui.Gui
+	header       *gocui.View
+	body         *gocui.View
+	CurrentLayer *image.Layer
+}
+
+func (v *LayerDetails) Name() string {
+	return "layerDetails"
+}
+
+func (v *LayerDetails) Setup(body, header *gocui.View) error {
+	logrus.Tracef("LayerDetails setup()")
+	v.body = body
+	v.body.Editable = false
+	v.body.Wrap = true
+	v.body.Highlight = true
+	v.body.Frame = false
+
+	v.header = header
+	v.header.Editable = false
+	v.header.Wrap = true
+	v.header.Highlight = false
+	v.header.Frame = false
+
+	var infos = []key.BindingInfo{
+		{
+			Key:      gocui.KeyArrowDown,
+			Modifier: gocui.ModNone,
+			OnAction: v.CursorDown,
+		},
+		{
+			Key:      gocui.KeyArrowUp,
+			Modifier: gocui.ModNone,
+			OnAction: v.CursorUp,
+		},
+	}
+
+	_, err := key.GenerateBindings(v.gui, v.Name(), infos)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// Render flushes the state objects to the screen.
+// The details pane reports the currently selected layer's:
+// 1. tags
+// 2. ID
+// 3. digest
+// 4. command
+func (v *LayerDetails) Render() error {
+	v.gui.Update(func(g *gocui.Gui) error {
+		v.header.Clear()
+		width, _ := v.body.Size()
+
+		layerHeaderStr := format.RenderHeader("Layer Details", width, v.gui.CurrentView() == v.body)
+
+		_, err := fmt.Fprintln(v.header, layerHeaderStr)
+		if err != nil {
+			return err
+		}
+
+		// this is for layer details
+		var lines = make([]string, 0)
+
+		tags := "(none)"
+		if v.CurrentLayer.Names != nil && len(v.CurrentLayer.Names) > 0 {
+			tags = strings.Join(v.CurrentLayer.Names, ", ")
+		}
+		lines = append(lines, []string{
+			format.Header("Tags:   ") + tags,
+			format.Header("Id:     ") + v.CurrentLayer.Id,
+			format.Header("Digest: ") + v.CurrentLayer.Digest,
+			format.Header("Command:"),
+			v.CurrentLayer.Command,
+		}...)
+
+		v.body.Clear()
+		if _, err = fmt.Fprintln(v.body, strings.Join(lines, "\n")); err != nil {
+			logrus.Debug("unable to write to buffer: ", err)
+		}
+		return nil
+	})
+	return nil
+}
+
+func (v *LayerDetails) OnLayoutChange() error {
+	if err := v.Update(); err != nil {
+		return err
+	}
+	return v.Render()
+}
+
+// IsVisible indicates if the details view pane is currently initialized.
+func (v *LayerDetails) IsVisible() bool {
+	return v.body != nil
+}
+
+// CursorUp moves the cursor up in the details pane
+func (v *LayerDetails) CursorUp() error {
+	if err := CursorUp(v.gui, v.body); err != nil {
+		logrus.Debug("Couldn't move the cursor up")
+	}
+	return nil
+}
+
+// CursorDown moves the cursor up in the details pane
+func (v *LayerDetails) CursorDown() error {
+	if err := CursorDown(v.gui, v.body); err != nil {
+		logrus.Debug("Couldn't move the cursor down")
+	}
+	return nil
+}
+
+// KeyHelp indicates all the possible actions a user can take while the current pane is selected (currently does nothing).
+func (v *LayerDetails) KeyHelp() string {
+	return ""
+}
+
+// Update refreshes the state objects for future rendering.
+func (v *LayerDetails) Update() error {
+	return nil
+}
+
+func (v *LayerDetails) SetCursor(x, y int) error {
+	return v.body.SetCursor(x, y)
+}