Revert "Add abstract list, update dirlist accordingly"
This reverts commit 3157897c1a.
This commit is contained in:
Drew DeVault
parent
24196d2c6f
commit
257affcd48
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@ -5,7 +5,6 @@ import (
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"math"
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)
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// A container which arranges its children on a grid.
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type Grid struct {
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rows []GridSpec
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rowLayout []gridLayout
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110
lib/ui/list.go
110
lib/ui/list.go
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@ -1,110 +0,0 @@
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package ui
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import (
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"fmt"
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)
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// A container which arranges its children in a list.
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type List struct {
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Items []*ListItem
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itemHeight int
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onInvalidate func(d Drawable)
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selected int
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}
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type ListItem struct {
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Content Drawable
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invalid bool
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}
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type SelectableDrawable interface {
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Drawable
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DrawWithSelected(ctx *Context, selected bool)
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}
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func NewList() *List {
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return &List{itemHeight: 1, selected: -1}
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}
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func (list *List) OnInvalidate(onInvalidate func(d Drawable)) {
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list.onInvalidate = onInvalidate
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}
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func (list *List) Invalidate() {
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for _, item := range list.Items {
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item.Content.Invalidate()
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}
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if list.onInvalidate != nil {
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list.onInvalidate(list)
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}
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}
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func (list *List) Draw(ctx *Context) {
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for i, item := range list.Items {
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if !item.invalid {
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continue
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}
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subctx := ctx.Subcontext(0, i, ctx.Width(), list.itemHeight)
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if content, ok := item.Content.(SelectableDrawable); ok {
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content.DrawWithSelected(subctx, i == list.selected)
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} else {
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item.Content.Draw(subctx)
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}
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}
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}
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func (list *List) Add(child Drawable) {
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list.Items = append(list.Items, &ListItem{Content: child, invalid: true})
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child.OnInvalidate(list.childInvalidated)
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list.Invalidate()
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}
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func (list *List) Remove(child Drawable) {
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for i, item := range list.Items {
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if item.Content == child {
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list.Items = append(list.Items[:i], list.Items[i+1:]...)
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child.OnInvalidate(nil)
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list.Invalidate()
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return
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}
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}
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panic(fmt.Errorf("Attempted to remove unknown child"))
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}
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func (list *List) Set(items []Drawable) {
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for _, item := range list.Items {
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item.Content.OnInvalidate(nil)
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}
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list.Items = make([]*ListItem, len(items))
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for i, item := range items {
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list.Items[i] = &ListItem{Content: item, invalid: true}
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item.OnInvalidate(list.childInvalidated)
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}
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list.Invalidate()
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}
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func (list *List) Select(index int) {
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if index >= len(list.Items) || index < 0 {
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panic(fmt.Errorf("Attempted to select unknown child"))
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}
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list.selected = index
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list.Invalidate()
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}
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func (list *List) ItemHeight(height int) {
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list.itemHeight = height
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list.Invalidate()
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}
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func (list *List) childInvalidated(child Drawable) {
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for _, item := range list.Items {
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if item.Content == child {
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item.invalid = true
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if list.onInvalidate != nil {
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list.onInvalidate(list)
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}
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return
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}
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}
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panic(fmt.Errorf("Attempted to invalidate unknown child"))
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}
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@ -3,7 +3,6 @@ package widgets
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import (
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"log"
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"sort"
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"strings"
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"github.com/gdamore/tcell"
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@ -14,7 +13,7 @@ import (
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type DirectoryList struct {
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conf *config.AccountConfig
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dirs *ui.List
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dirs []string
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logger *log.Logger
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onInvalidate func(d ui.Drawable)
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worker *types.Worker
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@ -23,68 +22,50 @@ type DirectoryList struct {
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func NewDirectoryList(conf *config.AccountConfig,
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logger *log.Logger, worker *types.Worker) *DirectoryList {
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return &DirectoryList{
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conf: conf,
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dirs: ui.NewList(),
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logger: logger,
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worker: worker,
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}
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return &DirectoryList{conf: conf, logger: logger, worker: worker}
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}
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func (dirlist *DirectoryList) UpdateList() {
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var dirs []ui.Drawable
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var dirs []string
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dirlist.worker.PostAction(
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&types.ListDirectories{}, func(msg types.WorkerMessage) {
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switch msg := msg.(type) {
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case *types.Directory:
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if len(dirlist.conf.Folders) > 1 {
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idx := sort.SearchStrings(dirlist.conf.Folders, msg.Name)
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if idx == len(dirlist.conf.Folders) ||
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dirlist.conf.Folders[idx] != msg.Name {
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break
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}
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}
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dirs = append(dirs, directoryEntry(msg.Name))
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dirs = append(dirs, msg.Name)
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case *types.Done:
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sort.Slice(dirs, func(_a, _b int) bool {
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a, _ := dirs[_a].(directoryEntry)
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b, _ := dirs[_b].(directoryEntry)
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return strings.Compare(string(a), string(b)) > 0
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})
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dirlist.dirs.Set(dirs)
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sort.Strings(dirs)
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dirlist.dirs = dirs
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dirlist.Invalidate()
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}
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})
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}
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func (dirlist *DirectoryList) OnInvalidate(onInvalidate func(d ui.Drawable)) {
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dirlist.dirs.OnInvalidate(func(_ ui.Drawable) {
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onInvalidate(dirlist)
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})
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dirlist.onInvalidate = onInvalidate
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}
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func (dirlist *DirectoryList) Invalidate() {
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dirlist.dirs.Invalidate()
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if dirlist.onInvalidate != nil {
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dirlist.onInvalidate(dirlist)
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}
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}
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func (dirlist *DirectoryList) Draw(ctx *ui.Context) {
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dirlist.dirs.Draw(ctx)
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}
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type directoryEntry string
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func (d directoryEntry) OnInvalidate(_ func(_ ui.Drawable)) {
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}
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func (d directoryEntry) Invalidate() {
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}
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func (d directoryEntry) Draw(ctx *ui.Context) {
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d.DrawWithSelected(ctx, false)
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}
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func (d directoryEntry) DrawWithSelected(ctx *ui.Context, selected bool) {
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// TODO: distinguish the selected item
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ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
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ctx.Printf(0, 0, tcell.StyleDefault, "%s", d)
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row := 0
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for _, name := range dirlist.dirs {
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if row >= ctx.Height() {
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break
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}
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if len(dirlist.conf.Folders) > 1 {
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idx := sort.SearchStrings(dirlist.conf.Folders, name)
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if idx == len(dirlist.conf.Folders) ||
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dirlist.conf.Folders[idx] != name {
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continue
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}
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}
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ctx.Printf(0, row, tcell.StyleDefault, "%s", name)
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row++
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}
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}
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