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lazydocker/pkg/gui/images_panel.go

289 lines
7.7 KiB
Go

package gui
import (
"fmt"
"strings"
"time"
"github.com/docker/docker/api/types"
"github.com/fatih/color"
"github.com/go-errors/errors"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazydocker/pkg/commands"
"github.com/jesseduffield/lazydocker/pkg/config"
"github.com/jesseduffield/lazydocker/pkg/utils"
)
// list panel functions
func (gui *Gui) getImageContexts() []string {
return []string{"config"}
}
func (gui *Gui) getImageContextTitles() []string {
return []string{gui.Tr.ConfigTitle}
}
func (gui *Gui) getSelectedImage() (*commands.Image, error) {
selectedLine := gui.State.Panels.Images.SelectedLine
if selectedLine == -1 {
return &commands.Image{}, gui.Errors.ErrNoImages
}
return gui.DockerCommand.Images[selectedLine], nil
}
func (gui *Gui) handleImagesClick(g *gocui.Gui, v *gocui.View) error {
itemCount := len(gui.DockerCommand.Images)
handleSelect := gui.handleImageSelect
selectedLine := &gui.State.Panels.Images.SelectedLine
return gui.handleClick(v, itemCount, selectedLine, handleSelect)
}
func (gui *Gui) handleImageSelect(g *gocui.Gui, v *gocui.View) error {
Image, err := gui.getSelectedImage()
if err != nil {
if err != gui.Errors.ErrNoImages {
return err
}
return gui.renderString(g, "main", gui.Tr.NoImages)
}
gui.focusPoint(0, gui.State.Panels.Images.SelectedLine, len(gui.DockerCommand.Images), v)
key := "images-" + Image.ID + "-" + gui.getImageContexts()[gui.State.Panels.Images.ContextIndex]
if !gui.shouldRefresh(key) {
return nil
}
mainView := gui.getMainView()
mainView.Tabs = gui.getImageContextTitles()
mainView.TabIndex = gui.State.Panels.Images.ContextIndex
switch gui.getImageContexts()[gui.State.Panels.Images.ContextIndex] {
case "config":
if err := gui.renderImageConfig(mainView, Image); err != nil {
return err
}
default:
return errors.New("Unknown context for Images panel")
}
return nil
}
func (gui *Gui) renderImageConfig(mainView *gocui.View, image *commands.Image) error {
return gui.T.NewTask(func(stop chan struct{}) {
padding := 10
output := ""
output += utils.WithPadding("Name: ", padding) + image.Name + "\n"
output += utils.WithPadding("ID: ", padding) + image.Image.ID + "\n"
output += utils.WithPadding("Tags: ", padding) + utils.ColoredString(strings.Join(image.Image.RepoTags, ", "), color.FgGreen) + "\n"
output += utils.WithPadding("Size: ", padding) + utils.FormatDecimalBytes(int(image.Image.Size)) + "\n"
output += utils.WithPadding("Created: ", padding) + fmt.Sprintf("%v", time.Unix(image.Image.Created, 0).Format(time.RFC1123)) + "\n"
history, err := image.RenderHistory()
if err != nil {
gui.Log.Error(err)
}
output += "\n\n" + history
mainView.Autoscroll = false
mainView.Wrap = false // don't care what your config is this page is ugly without wrapping
gui.renderString(gui.g, "main", output)
})
}
func (gui *Gui) refreshImages() error {
ImagesView := gui.getImagesView()
if ImagesView == nil {
// if the ImagesView hasn't been instantiated yet we just return
return nil
}
if err := gui.refreshStateImages(); err != nil {
return err
}
if len(gui.DockerCommand.Images) > 0 && gui.State.Panels.Images.SelectedLine == -1 {
gui.State.Panels.Images.SelectedLine = 0
}
if len(gui.DockerCommand.Images)-1 < gui.State.Panels.Images.SelectedLine {
gui.State.Panels.Images.SelectedLine = len(gui.DockerCommand.Images) - 1
}
gui.g.Update(func(g *gocui.Gui) error {
ImagesView.Clear()
isFocused := gui.g.CurrentView().Name() == "Images"
list, err := utils.RenderList(gui.DockerCommand.Images, utils.IsFocused(isFocused))
if err != nil {
return err
}
fmt.Fprint(ImagesView, list)
if ImagesView == g.CurrentView() {
return gui.handleImageSelect(g, ImagesView)
}
return nil
})
return nil
}
// TODO: leave this to DockerCommand
func (gui *Gui) refreshStateImages() error {
Images, err := gui.DockerCommand.RefreshImages()
if err != nil {
return err
}
gui.DockerCommand.Images = Images
return nil
}
func (gui *Gui) handleImagesNextLine(g *gocui.Gui, v *gocui.View) error {
if gui.popupPanelFocused() || gui.g.CurrentView() != v {
return nil
}
panelState := gui.State.Panels.Images
gui.changeSelectedLine(&panelState.SelectedLine, len(gui.DockerCommand.Images), false)
return gui.handleImageSelect(gui.g, v)
}
func (gui *Gui) handleImagesPrevLine(g *gocui.Gui, v *gocui.View) error {
if gui.popupPanelFocused() || gui.g.CurrentView() != v {
return nil
}
panelState := gui.State.Panels.Images
gui.changeSelectedLine(&panelState.SelectedLine, len(gui.DockerCommand.Images), true)
return gui.handleImageSelect(gui.g, v)
}
func (gui *Gui) handleImagesNextContext(g *gocui.Gui, v *gocui.View) error {
contexts := gui.getImageContexts()
if gui.State.Panels.Images.ContextIndex >= len(contexts)-1 {
gui.State.Panels.Images.ContextIndex = 0
} else {
gui.State.Panels.Images.ContextIndex++
}
gui.handleImageSelect(gui.g, v)
return nil
}
func (gui *Gui) handleImagesPrevContext(g *gocui.Gui, v *gocui.View) error {
contexts := gui.getImageContexts()
if gui.State.Panels.Images.ContextIndex <= 0 {
gui.State.Panels.Images.ContextIndex = len(contexts) - 1
} else {
gui.State.Panels.Images.ContextIndex--
}
gui.handleImageSelect(gui.g, v)
return nil
}
type removeImageOption struct {
description string
command string
configOptions types.ImageRemoveOptions
runCommand bool
}
// GetDisplayStrings is a function.
func (r *removeImageOption) GetDisplayStrings(isFocused bool) []string {
return []string{r.description, color.New(color.FgRed).Sprint(r.command)}
}
func (gui *Gui) handleImagesRemoveMenu(g *gocui.Gui, v *gocui.View) error {
Image, err := gui.getSelectedImage()
if err != nil {
return nil
}
shortSha := Image.ID[7:17]
options := []*removeImageOption{
{
description: gui.Tr.Remove,
command: "docker image rm " + shortSha,
configOptions: types.ImageRemoveOptions{PruneChildren: true},
runCommand: true,
},
{
description: gui.Tr.RemoveWithoutPrune,
command: "docker image rm --no-prune " + shortSha,
configOptions: types.ImageRemoveOptions{PruneChildren: false},
runCommand: true,
},
{
description: gui.Tr.Cancel,
runCommand: false,
},
}
handleMenuPress := func(index int) error {
if !options[index].runCommand {
return nil
}
configOptions := options[index].configOptions
if cerr := Image.Remove(configOptions); cerr != nil {
return gui.createErrorPanel(gui.g, cerr.Error())
}
return gui.refreshImages()
}
return gui.createMenu("", options, len(options), handleMenuPress)
}
func (gui *Gui) handlePruneImages() error {
return gui.createConfirmationPanel(gui.g, gui.getImagesView(), gui.Tr.Confirm, gui.Tr.ConfirmPruneImages, func(g *gocui.Gui, v *gocui.View) error {
return gui.WithWaitingStatus(gui.Tr.PruningStatus, func() error {
err := gui.DockerCommand.PruneImages()
if err != nil {
return gui.createErrorPanel(gui.g, err.Error())
}
return gui.refreshImages()
})
}, nil)
}
func (gui *Gui) handleImagesCustomCommand(g *gocui.Gui, v *gocui.View) error {
image, err := gui.getSelectedImage()
if err != nil {
return nil
}
commandObject := gui.DockerCommand.NewCommandObject(commands.CommandObject{
Image: image,
})
customCommands := gui.Config.UserConfig.CustomCommands.Images
return gui.createCustomCommandMenu(customCommands, commandObject)
}
func (gui *Gui) handleImagesBulkCommand(g *gocui.Gui, v *gocui.View) error {
baseBulkCommands := []config.CustomCommand{
{
Name: gui.Tr.PruneImages,
InternalFunction: gui.handlePruneImages,
},
}
bulkCommands := append(baseBulkCommands, gui.Config.UserConfig.BulkCommands.Images...)
commandObject := gui.DockerCommand.NewCommandObject(commands.CommandObject{})
return gui.createBulkCommandMenu(bulkCommands, commandObject)
}