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package filetree
import (
"fmt"
"github.com/jesseduffield/lazygit/pkg/commands/models"
"github.com/jesseduffield/lazygit/pkg/gui/types"
"github.com/samber/lo"
"github.com/sirupsen/logrus"
)
type FileTreeDisplayFilter int
const (
DisplayAll FileTreeDisplayFilter = iota
DisplayStaged
DisplayUnstaged
// this shows files with merge conflicts
DisplayConflicted
)
type ITree[T any] interface {
InTreeMode() bool
ExpandToPath(path string)
ToggleShowTree()
GetIndexForPath(path string) (int, bool)
Len() int
GetItem(index int) types.HasUrn
SetTree()
IsCollapsed(path string) bool
ToggleCollapsed(path string)
CollapsedPaths() *CollapsedPaths
}
type IFileTree interface {
ITree[models.File]
FilterFiles(test func(*models.File) bool) []*models.File
SetStatusFilter(filter FileTreeDisplayFilter)
Get(index int) *FileNode
GetFile(path string) *models.File
GetAllItems() []*FileNode
GetAllFiles() []*models.File
GetFilter() FileTreeDisplayFilter
GetRoot() *FileNode
}
type FileTree struct {
getFiles func() []*models.File
tree *Node[models.File]
showTree bool
log *logrus.Entry
filter FileTreeDisplayFilter
collapsedPaths *CollapsedPaths
}
var _ IFileTree = &FileTree{}
func NewFileTree(getFiles func() []*models.File, log *logrus.Entry, showTree bool) *FileTree {
return &FileTree{
getFiles: getFiles,
log: log,
showTree: showTree,
filter: DisplayAll,
collapsedPaths: NewCollapsedPaths(),
}
}
func (self *FileTree) InTreeMode() bool {
return self.showTree
}
func (self *FileTree) ExpandToPath(path string) {
self.collapsedPaths.ExpandToPath(path)
}
func (self *FileTree) getFilesForDisplay() []*models.File {
switch self.filter {
case DisplayAll:
return self.getFiles()
case DisplayStaged:
return self.FilterFiles(func(file *models.File) bool { return file.HasStagedChanges })
case DisplayUnstaged:
return self.FilterFiles(func(file *models.File) bool { return file.HasUnstagedChanges })
case DisplayConflicted:
return self.FilterFiles(func(file *models.File) bool { return file.HasMergeConflicts })
default:
panic(fmt.Sprintf("Unexpected files display filter: %d", self.filter))
}
}
func (self *FileTree) FilterFiles(test func(*models.File) bool) []*models.File {
return lo.Filter(self.getFiles(), func(file *models.File, _ int) bool { return test(file) })
}
func (self *FileTree) SetStatusFilter(filter FileTreeDisplayFilter) {
self.filter = filter
self.SetTree()
}
func (self *FileTree) ToggleShowTree() {
self.showTree = !self.showTree
self.SetTree()
}
func (self *FileTree) Get(index int) *FileNode {
// need to traverse the tree depth first until we get to the index.
return NewFileNode(self.tree.GetNodeAtIndex(index+1, self.collapsedPaths)) // ignoring root
}
func (self *FileTree) GetFile(path string) *models.File {
for _, file := range self.getFiles() {
if file.Name == path {
return file
}
}
return nil
}
func (self *FileTree) GetIndexForPath(path string) (int, bool) {
index, found := self.tree.GetIndexForPath(path, self.collapsedPaths)
return index - 1, found
}
// note: this gets all items when the filter is taken into consideration. There may
// be hidden files that aren't included here. Files off the screen however will
// be included
func (self *FileTree) GetAllItems() []*FileNode {
if self.tree == nil {
return nil
}
// ignoring root
return lo.Map(self.tree.Flatten(self.collapsedPaths)[1:], func(node *Node[models.File], _ int) *FileNode {
return NewFileNode(node)
})
}
func (self *FileTree) Len() int {
// -1 because we're ignoring the root
return max(self.tree.Size(self.collapsedPaths)-1, 0)
}
func (self *FileTree) GetItem(index int) types.HasUrn {
// Unimplemented because we don't yet need to show inlines statuses in commit file views
return nil
}
func (self *FileTree) GetAllFiles() []*models.File {
return self.getFiles()
}
func (self *FileTree) SetTree() {
filesForDisplay := self.getFilesForDisplay()
if self.showTree {
self.tree = BuildTreeFromFiles(filesForDisplay)
} else {
self.tree = BuildFlatTreeFromFiles(filesForDisplay)
}
}
func (self *FileTree) IsCollapsed(path string) bool {
return self.collapsedPaths.IsCollapsed(path)
}
func (self *FileTree) ToggleCollapsed(path string) {
self.collapsedPaths.ToggleCollapsed(path)
}
func (self *FileTree) Tree() *FileNode {
return NewFileNode(self.tree)
}
func (self *FileTree) GetRoot() *FileNode {
return NewFileNode(self.tree)
}
func (self *FileTree) CollapsedPaths() *CollapsedPaths {
return self.collapsedPaths
}
func (self *FileTree) GetFilter() FileTreeDisplayFilter {
return self.filter
}
|
