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Code Issues Releases Activity

more functional approach

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This commit is contained in:
Jesse Duffield 2021-03-21 09:37:16 +11:00
parent 5edea5a8dc
commit 040c1fc302
1 changed files with 41 additions and 33 deletions
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74
pkg/gui/files_panel.go
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@ -535,40 +535,10 @@ func (gui *Gui) refreshStateFiles() error {
return err
}
// Let's try to find our file again and move the cursor to that.
// If we can't find our file, it was probably just removed by the user. In that
// case, we go looking for where the next file has been moved to. Given that the
// user could have removed a whole directory, we continue iterating through the old
// nodes until we find one that exists in the new set of nodes, then move the cursor
// to that
if selectedNode != nil {
getPaths := func(node *models.StatusLineNode) []string {
if node == nil {
return nil
}
if node.File != nil && node.File.IsRename() {
return node.File.Names()
} else {
return []string{node.Path}
}
}
outer:
for _, prevNode := range prevNodes[prevSelectedLineIdx:] {
selectedPaths := getPaths(prevNode)
for idx, node := range gui.State.StatusLineManager.GetAllItems() {
paths := getPaths(node)
// If you started off with a rename selected, and now it's broken in two, we want you to jump to the new file, not the old file.
// This is because the new should be in the same position as the rename was meaning less cursor jumping
foundOldFileInRename := prevNode.File != nil && prevNode.File.IsRename() && node.Path == prevNode.File.PreviousName
foundNode := utils.StringArraysOverlap(paths, selectedPaths) && !foundOldFileInRename
if foundNode {
gui.State.Panels.Files.SelectedLineIdx = idx
break outer
}
}
newIdx := gui.findNewSelectedIdx(prevNodes[prevSelectedLineIdx:], gui.State.StatusLineManager.GetAllItems())
if newIdx != -1 && newIdx != prevSelectedLineIdx {
gui.State.Panels.Files.SelectedLineIdx = newIdx
}
}
@ -576,6 +546,44 @@ func (gui *Gui) refreshStateFiles() error {
return nil
}
// Let's try to find our file again and move the cursor to that.
// If we can't find our file, it was probably just removed by the user. In that
// case, we go looking for where the next file has been moved to. Given that the
// user could have removed a whole directory, we continue iterating through the old
// nodes until we find one that exists in the new set of nodes, then move the cursor
// to that.
// prevNodes starts from our previously selected node because we don't need to consider anything above that
func (gui *Gui) findNewSelectedIdx(prevNodes []*models.StatusLineNode, currNodes []*models.StatusLineNode) int {
getPaths := func(node *models.StatusLineNode) []string {
if node == nil {
return nil
}
if node.File != nil && node.File.IsRename() {
return node.File.Names()
} else {
return []string{node.Path}
}
}
for _, prevNode := range prevNodes {
selectedPaths := getPaths(prevNode)
for idx, node := range currNodes {
paths := getPaths(node)
// If you started off with a rename selected, and now it's broken in two, we want you to jump to the new file, not the old file.
// This is because the new should be in the same position as the rename was meaning less cursor jumping
foundOldFileInRename := prevNode.File != nil && prevNode.File.IsRename() && node.Path == prevNode.File.PreviousName
foundNode := utils.StringArraysOverlap(paths, selectedPaths) && !foundOldFileInRename
if foundNode {
return idx
}
}
}
return -1
}
func (gui *Gui) handlePullFiles(g *gocui.Gui, v *gocui.View) error {
if gui.popupPanelFocused() {
return nil