99 lines
2.1 KiB
Go
99 lines
2.1 KiB
Go
package ui
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import (
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"fmt"
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"github.com/jroimartin/gocui"
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"github.com/wagoodman/docker-image-explorer/image"
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)
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type LayerView struct {
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Name string
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gui *gocui.Gui
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view *gocui.View
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LayerIndex int
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Layers []*image.Layer
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}
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func NewLayerView(name string, gui *gocui.Gui, layers []*image.Layer) (layerview *LayerView) {
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layerview = new(LayerView)
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// populate main fields
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layerview.Name = name
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layerview.gui = gui
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layerview.Layers = layers
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return layerview
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}
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func (view *LayerView) Setup(v *gocui.View) error {
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// set view options
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view.view = v
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view.view.Wrap = false
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//view.view.Highlight = true
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//view.view.SelBgColor = gocui.ColorGreen
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//view.view.SelFgColor = gocui.ColorBlack
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view.view.Frame = false
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// set keybindings
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if err := view.gui.SetKeybinding(view.Name, gocui.KeyArrowDown, gocui.ModNone, func(*gocui.Gui, *gocui.View) error { return view.CursorDown() }); err != nil {
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return err
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}
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if err := view.gui.SetKeybinding(view.Name, gocui.KeyArrowUp, gocui.ModNone, func(*gocui.Gui, *gocui.View) error { return view.CursorUp() }); err != nil {
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return err
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}
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view.Render()
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return nil
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}
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func (view *LayerView) Render() error {
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view.gui.Update(func(g *gocui.Gui) error {
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view.view.Clear()
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for revIdx := len(view.Layers) - 1; revIdx >= 0; revIdx-- {
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layer := view.Layers[revIdx]
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idx := (len(view.Layers)-1) - revIdx
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if idx == view.LayerIndex {
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fmt.Fprintln(view.view, Formatting.Header(layer.String()))
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} else {
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fmt.Fprintln(view.view, layer.String())
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}
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}
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return nil
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})
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// todo: blerg
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return nil
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}
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func (view *LayerView) CursorDown() error {
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if int(view.LayerIndex) < len(view.Layers) {
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err := CursorDown(view.gui, view.view)
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if err == nil {
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view.LayerIndex++
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view.Render()
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Views.Tree.setLayer(view.LayerIndex)
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}
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}
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return nil
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}
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func (view *LayerView) CursorUp() error {
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if int(view.LayerIndex) > 0 {
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err := CursorUp(view.gui, view.view)
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if err == nil {
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view.LayerIndex--
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view.Render()
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Views.Tree.setLayer(view.LayerIndex)
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}
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}
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return nil
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}
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func (view *LayerView) KeyHelp() string {
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return "blerg"
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}
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