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lazygit/pkg/gui/filetree/file_manager.go
2021-08-25 20:13:50 +10:00

142 lines
3.2 KiB
Go

package filetree
import (
"sync"
"github.com/jesseduffield/lazygit/pkg/commands/models"
"github.com/jesseduffield/lazygit/pkg/gui/presentation"
"github.com/sirupsen/logrus"
)
type FileManagerDisplayFilter int
const (
DisplayAll FileManagerDisplayFilter = iota
DisplayStaged
DisplayUnstaged
)
type FileManager struct {
files []*models.File
tree *FileNode
showTree bool
log *logrus.Entry
filter FileManagerDisplayFilter
collapsedPaths CollapsedPaths
sync.RWMutex
}
func NewFileManager(files []*models.File, log *logrus.Entry, showTree bool) *FileManager {
return &FileManager{
files: files,
log: log,
showTree: showTree,
filter: DisplayAll,
collapsedPaths: CollapsedPaths{},
RWMutex: sync.RWMutex{},
}
}
func (m *FileManager) InTreeMode() bool {
return m.showTree
}
func (m *FileManager) ExpandToPath(path string) {
m.collapsedPaths.ExpandToPath(path)
}
func (m *FileManager) GetFilesForDisplay() []*models.File {
files := m.files
if m.filter == DisplayAll {
return files
}
result := make([]*models.File, 0)
if m.filter == DisplayStaged {
for _, file := range files {
if file.HasStagedChanges {
result = append(result, file)
}
}
} else {
for _, file := range files {
if !file.HasStagedChanges {
result = append(result, file)
}
}
}
return result
}
func (m *FileManager) SetDisplayFilter(filter FileManagerDisplayFilter) {
m.filter = filter
m.SetTree()
}
func (m *FileManager) ToggleShowTree() {
m.showTree = !m.showTree
m.SetTree()
}
func (m *FileManager) GetItemAtIndex(index int) *FileNode {
// need to traverse the three depth first until we get to the index.
return m.tree.GetNodeAtIndex(index+1, m.collapsedPaths) // ignoring root
}
func (m *FileManager) GetIndexForPath(path string) (int, bool) {
index, found := m.tree.GetIndexForPath(path, m.collapsedPaths)
return index - 1, found
}
func (m *FileManager) GetAllItems() []*FileNode {
if m.tree == nil {
return nil
}
return m.tree.Flatten(m.collapsedPaths)[1:] // ignoring root
}
func (m *FileManager) GetItemsLength() int {
return m.tree.Size(m.collapsedPaths) - 1 // ignoring root
}
func (m *FileManager) GetAllFiles() []*models.File {
return m.files
}
func (m *FileManager) SetFiles(files []*models.File) {
m.files = files
m.SetTree()
}
func (m *FileManager) SetTree() {
filesForDisplay := m.GetFilesForDisplay()
if m.showTree {
m.tree = BuildTreeFromFiles(filesForDisplay)
} else {
m.tree = BuildFlatTreeFromFiles(filesForDisplay)
}
}
func (m *FileManager) IsCollapsed(path string) bool {
return m.collapsedPaths.IsCollapsed(path)
}
func (m *FileManager) ToggleCollapsed(path string) {
m.collapsedPaths.ToggleCollapsed(path)
}
func (m *FileManager) Render(diffName string, submoduleConfigs []*models.SubmoduleConfig) []string {
// can't rely on renderAux to check for nil because an interface won't be nil if its concrete value is nil
if m.tree == nil {
return []string{}
}
return renderAux(m.tree, m.collapsedPaths, "", -1, func(n INode, depth int) string {
castN := n.(*FileNode)
return presentation.GetFileLine(castN.GetHasUnstagedChanges(), castN.GetHasStagedChanges(), castN.NameAtDepth(depth), diffName, submoduleConfigs, castN.File)
})
}