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@ -1,4 +1,4 @@
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package gui
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package panels
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import (
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"fmt"
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@ -6,53 +6,23 @@ import (
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"github.com/go-errors/errors"
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"github.com/jesseduffield/gocui"
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lcUtils "github.com/jesseduffield/lazycore/pkg/utils"
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"github.com/jesseduffield/lazydocker/pkg/utils"
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"github.com/samber/lo"
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)
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type ListPanel[T comparable] struct {
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SelectedIdx int
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List *FilteredList[T]
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view *gocui.View
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}
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func (self *ListPanel[T]) setSelectedLineIdx(value int) {
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clampedValue := 0
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if self.List.Len() > 0 {
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clampedValue = lcUtils.Clamp(value, 0, self.List.Len()-1)
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}
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self.SelectedIdx = clampedValue
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}
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func (self *ListPanel[T]) clampSelectedLineIdx() {
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clamped := lcUtils.Clamp(self.SelectedIdx, 0, self.List.Len()-1)
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if clamped != self.SelectedIdx {
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self.SelectedIdx = clamped
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}
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}
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// moves the cursor up or down by the given amount (up for negative values)
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func (self *ListPanel[T]) moveSelectedLine(delta int) {
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self.setSelectedLineIdx(self.SelectedIdx + delta)
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}
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func (self *ListPanel[T]) SelectNextLine() {
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self.moveSelectedLine(1)
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}
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func (self *ListPanel[T]) SelectPrevLine() {
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self.moveSelectedLine(-1)
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}
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type ContextState[T any] struct {
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contextIdx int
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// contexts []ContextConfig[T]
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GetContexts func() []ContextConfig[T]
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// this tells us whether we need to re-render to the main panel
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GetContextCacheKey func(item T) string
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type ISideListPanel interface {
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SetContextIndex(int)
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HandleSelect() error
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GetView() *gocui.View
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Refocus()
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RerenderList() error
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IsFilterDisabled() bool
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IsHidden() bool
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HandleNextLine() error
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HandlePrevLine() error
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HandleClick() error
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HandlePrevContext() error
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HandleNextContext() error
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}
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// list panel at the side of the screen that renders content to the main panel
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@ -65,7 +35,7 @@ type SideListPanel[T comparable] struct {
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// and it has focus. Leave empty if you don't want to render anything
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NoItemsMessage string
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gui IGui
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Gui IGui
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// this Filter is applied on top of additional default filters
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Filter func(T) bool
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@ -85,27 +55,20 @@ type SideListPanel[T comparable] struct {
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Hide func() bool
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}
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type ISideListPanel interface {
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SetContextIndex(int)
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HandleSelect() error
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View() *gocui.View
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Refocus()
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RerenderList() error
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IsFilterDisabled() bool
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IsHidden() bool
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HandleNextLine() error
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HandlePrevLine() error
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HandleClick() error
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HandlePrevContext() error
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HandleNextContext() error
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}
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var _ ISideListPanel = &SideListPanel[int]{}
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type ContextState[T any] struct {
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contextIdx int
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// contexts []ContextConfig[T]
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GetContexts func() []ContextConfig[T]
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// this tells us whether we need to re-render to the main panel
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GetContextCacheKey func(item T) string
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}
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type ContextConfig[T any] struct {
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key string
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title string
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render func(item T) error
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Key string
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Title string
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Render func(item T) error
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}
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type IGui interface {
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@ -121,16 +84,12 @@ type IGui interface {
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Update(func() error)
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}
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func (gui *Gui) intoInterface() IGui {
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return gui
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}
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func (self *SideListPanel[T]) HandleClick() error {
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itemCount := self.List.Len()
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handleSelect := self.HandleSelect
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selectedLine := &self.SelectedIdx
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if err := self.gui.HandleClick(self.view, itemCount, selectedLine, handleSelect); err != nil {
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if err := self.Gui.HandleClick(self.View, itemCount, selectedLine, handleSelect); err != nil {
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return err
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}
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@ -144,8 +103,8 @@ func (self *SideListPanel[T]) HandleClick() error {
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return nil
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}
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func (self *SideListPanel[T]) View() *gocui.View {
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return self.view
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func (self *SideListPanel[T]) GetView() *gocui.View {
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return self.View
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}
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func (self *SideListPanel[T]) HandleSelect() error {
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@ -156,7 +115,7 @@ func (self *SideListPanel[T]) HandleSelect() error {
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}
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if self.NoItemsMessage != "" {
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return self.gui.RenderStringMain(self.NoItemsMessage)
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return self.Gui.RenderStringMain(self.NoItemsMessage)
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}
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return nil
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@ -173,25 +132,25 @@ func (self *SideListPanel[T]) renderContext(item T) error {
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}
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key := self.ContextState.GetCurrentContextKey(item)
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if !self.gui.ShouldRefresh(key) {
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if !self.Gui.ShouldRefresh(key) {
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return nil
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}
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mainView := self.gui.GetMainView()
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mainView := self.Gui.GetMainView()
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mainView.Tabs = self.ContextState.GetContextTitles()
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mainView.TabIndex = self.ContextState.contextIdx
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return self.ContextState.GetCurrentContext().render(item)
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return self.ContextState.GetCurrentContext().Render(item)
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}
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func (self *ContextState[T]) GetContextTitles() []string {
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return lo.Map(self.GetContexts(), func(context ContextConfig[T], _ int) string {
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return context.title
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return context.Title
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})
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}
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func (self *ContextState[T]) GetCurrentContextKey(item T) string {
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return self.GetContextCacheKey(item) + "-" + self.GetCurrentContext().key
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return self.GetContextCacheKey(item) + "-" + self.GetCurrentContext().Key
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}
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func (self *ContextState[T]) GetCurrentContext() ContextConfig[T] {
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@ -263,7 +222,7 @@ func (self *SideListPanel[T]) HandlePrevContext() error {
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}
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func (self *SideListPanel[T]) Refocus() {
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self.gui.FocusY(self.SelectedIdx, self.List.Len(), self.view)
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self.Gui.FocusY(self.SelectedIdx, self.List.Len(), self.View)
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}
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func (self *SideListPanel[T]) SetItems(items []T) {
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@ -272,14 +231,14 @@ func (self *SideListPanel[T]) SetItems(items []T) {
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}
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func (self *SideListPanel[T]) FilterAndSort() {
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filterString := self.gui.FilterString(self.view)
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filterString := self.Gui.FilterString(self.View)
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self.List.Filter(func(item T, index int) bool {
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if self.Filter != nil && !self.Filter(item) {
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return false
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}
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if lo.SomeBy(self.gui.IgnoreStrings(), func(ignore string) bool {
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if lo.SomeBy(self.Gui.IgnoreStrings(), func(ignore string) bool {
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return lo.SomeBy(self.GetDisplayStrings(item), func(searchString string) bool {
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return strings.Contains(searchString, ignore)
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})
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@ -304,8 +263,8 @@ func (self *SideListPanel[T]) FilterAndSort() {
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func (self *SideListPanel[T]) RerenderList() error {
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self.FilterAndSort()
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self.gui.Update(func() error {
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self.view.Clear()
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self.Gui.Update(func() error {
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self.View.Clear()
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table := lo.Map(self.List.GetItems(), func(item T, index int) []string {
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return self.GetDisplayStrings(item)
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})
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@ -313,7 +272,7 @@ func (self *SideListPanel[T]) RerenderList() error {
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if err != nil {
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return err
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}
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fmt.Fprint(self.view, renderedTable)
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fmt.Fprint(self.View, renderedTable)
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if self.OnRerender != nil {
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if err := self.OnRerender(); err != nil {
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@ -321,7 +280,7 @@ func (self *SideListPanel[T]) RerenderList() error {
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}
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}
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if self.view == self.gui.CurrentView() {
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if self.View == self.Gui.CurrentView() {
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return self.HandleSelect()
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}
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return nil
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Jesse Duffield
2 years ago