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lazygit/pkg/gui/filetree/commit_file_manager.go
2021-04-02 11:00:15 +11:00

120 lines
3.4 KiB
Go

package filetree
import (
"github.com/jesseduffield/lazygit/pkg/commands/models"
"github.com/jesseduffield/lazygit/pkg/commands/patch"
"github.com/jesseduffield/lazygit/pkg/gui/presentation"
"github.com/sirupsen/logrus"
)
type CommitFileManager struct {
files []*models.CommitFile
tree *CommitFileNode
showTree bool
log *logrus.Entry
collapsedPaths CollapsedPaths
// parent is the identifier of the parent object e.g. a commit SHA if this commit file is for a commit, or a stash entry ref like 'stash@{1}'
parent string
}
func (m *CommitFileManager) GetParent() string {
return m.parent
}
func NewCommitFileManager(files []*models.CommitFile, log *logrus.Entry, showTree bool) *CommitFileManager {
return &CommitFileManager{
files: files,
log: log,
showTree: showTree,
collapsedPaths: CollapsedPaths{},
}
}
func (m *CommitFileManager) ExpandToPath(path string) {
m.collapsedPaths.ExpandToPath(path)
}
func (m *CommitFileManager) ToggleShowTree() {
m.showTree = !m.showTree
m.SetTree()
}
func (m *CommitFileManager) GetItemAtIndex(index int) *CommitFileNode {
// 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 *CommitFileManager) GetIndexForPath(path string) (int, bool) {
index, found := m.tree.GetIndexForPath(path, m.collapsedPaths)
return index - 1, found
}
func (m *CommitFileManager) GetAllItems() []*CommitFileNode {
if m.tree == nil {
return nil
}
return m.tree.Flatten(m.collapsedPaths)[1:] // ignoring root
}
func (m *CommitFileManager) GetItemsLength() int {
return m.tree.Size(m.collapsedPaths) - 1 // ignoring root
}
func (m *CommitFileManager) GetAllFiles() []*models.CommitFile {
return m.files
}
func (m *CommitFileManager) SetFiles(files []*models.CommitFile, parent string) {
m.files = files
m.parent = parent
m.SetTree()
}
func (m *CommitFileManager) SetTree() {
if m.showTree {
m.tree = BuildTreeFromCommitFiles(m.files)
} else {
m.tree = BuildFlatTreeFromCommitFiles(m.files)
}
}
func (m *CommitFileManager) IsCollapsed(path string) bool {
return m.collapsedPaths.IsCollapsed(path)
}
func (m *CommitFileManager) ToggleCollapsed(path string) {
m.collapsedPaths.ToggleCollapsed(path)
}
func (m *CommitFileManager) Render(diffName string, patchManager *patch.PatchManager) []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.(*CommitFileNode)
// This is a little convoluted because we're dealing with either a leaf or a non-leaf.
// But this code actually applies to both. If it's a leaf, the status will just
// be whatever status it is, but if it's a non-leaf it will determine its status
// based on the leaves of that subtree
var status patch.PatchStatus
if castN.EveryFile(func(file *models.CommitFile) bool {
return patchManager.GetFileStatus(file.Name, m.parent) == patch.WHOLE
}) {
status = patch.WHOLE
} else if castN.EveryFile(func(file *models.CommitFile) bool {
return patchManager.GetFileStatus(file.Name, m.parent) == patch.UNSELECTED
}) {
status = patch.UNSELECTED
} else {
status = patch.PART
}
return presentation.GetCommitFileLine(castN.NameAtDepth(depth), diffName, castN.File, status)
})
}