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package gui
import (
"strings"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/commands"
)
func (gui *Gui) refreshStagingPanel(forceSecondaryFocused bool, selectedLineIdx int) error {
gui.State.SplitMainPanel = true
state := gui.State.Panels.LineByLine
// We need to force focus here because the confirmation panel for safely staging lines does not return focus automatically.
// This is because if we tell it to return focus it will unconditionally return it to the main panel which may not be what we want
// e.g. in the event that there's nothing left to stage.
if err := gui.switchFocus(gui.g, nil, gui.getMainView()); err != nil {
return err
}
file, err := gui.getSelectedFile(gui.g)
if err != nil {
if err != gui.Errors.ErrNoFiles {
return err
}
return gui.handleStagingEscape(gui.g, nil)
}
if !file.HasUnstagedChanges && !file.HasStagedChanges {
return gui.handleStagingEscape(gui.g, nil)
}
secondaryFocused := false
if forceSecondaryFocused {
secondaryFocused = true
} else {
if state != nil {
secondaryFocused = state.SecondaryFocused
}
}
if (secondaryFocused && !file.HasStagedChanges) || (!secondaryFocused && !file.HasUnstagedChanges) {
secondaryFocused = !secondaryFocused
}
if secondaryFocused {
gui.getMainView().Title = gui.Tr.SLocalize("StagedChanges")
gui.getSecondaryView().Title = gui.Tr.SLocalize("UnstagedChanges")
} else {
gui.getMainView().Title = gui.Tr.SLocalize("UnstagedChanges")
gui.getSecondaryView().Title = gui.Tr.SLocalize("StagedChanges")
}
// note for custom diffs, we'll need to send a flag here saying not to use the custom diff
diff := gui.GitCommand.Diff(file, true, secondaryFocused)
secondaryDiff := gui.GitCommand.Diff(file, true, !secondaryFocused)
// if we have e.g. a deleted file with nothing else to the diff will have only
// 4-5 lines in which case we'll swap panels
if len(strings.Split(diff, "\n")) < 5 {
if len(strings.Split(secondaryDiff, "\n")) < 5 {
return gui.handleStagingEscape(gui.g, nil)
}
secondaryFocused = !secondaryFocused
diff, secondaryDiff = secondaryDiff, diff
}
empty, err := gui.refreshLineByLinePanel(diff, secondaryDiff, secondaryFocused, selectedLineIdx)
if err != nil {
return err
}
if empty {
return gui.handleStagingEscape(gui.g, nil)
}
return nil
}
func (gui *Gui) handleTogglePanelClick(g *gocui.Gui, v *gocui.View) error {
state := gui.State.Panels.LineByLine
state.SecondaryFocused = !state.SecondaryFocused
return gui.refreshStagingPanel(false, v.SelectedLineIdx())
}
func (gui *Gui) handleTogglePanel(g *gocui.Gui, v *gocui.View) error {
state := gui.State.Panels.LineByLine
state.SecondaryFocused = !state.SecondaryFocused
return gui.refreshStagingPanel(false, -1)
}
func (gui *Gui) handleStagingEscape(g *gocui.Gui, v *gocui.View) error {
gui.handleEscapeLineByLinePanel()
return gui.switchFocus(gui.g, nil, gui.getFilesView())
}
func (gui *Gui) handleToggleStagedSelection(g *gocui.Gui, v *gocui.View) error {
state := gui.State.Panels.LineByLine
return gui.applySelection(state.SecondaryFocused)
}
func (gui *Gui) handleResetSelection(g *gocui.Gui, v *gocui.View) error {
state := gui.State.Panels.LineByLine
if state.SecondaryFocused {
// for backwards compatibility
return gui.applySelection(true)
}
if gui.Config.GetUserConfig().GetBool("gui.skipUnstageLineWarning") {
return gui.createConfirmationPanel(gui.g, gui.getMainView(), false, "unstage lines", "Are you sure you want to delete the selected lines (git reset)? It is irreversible.\nTo disable this dialogue set the config key of 'gui.skipUnstageLineWarning' to true", func(*gocui.Gui, *gocui.View) error {
return gui.applySelection(true)
}, nil)
} else {
return gui.applySelection(true)
}
}
func (gui *Gui) applySelection(reverse bool) error {
state := gui.State.Panels.LineByLine
file, err := gui.getSelectedFile(gui.g)
if err != nil {
return err
}
patch := commands.ModifiedPatchForRange(gui.Log, file.Name, state.Diff, state.FirstLineIdx, state.LastLineIdx, reverse, false)
if patch == "" {
return nil
}
// apply the patch then refresh this panel
// create a new temp file with the patch, then call git apply with that patch
applyFlags := []string{}
if !reverse || state.SecondaryFocused {
applyFlags = append(applyFlags, "cached")
}
err = gui.GitCommand.ApplyPatch(patch, applyFlags...)
if err != nil {
return gui.createErrorPanel(gui.g, err.Error())
}
if state.SelectMode == RANGE {
state.SelectMode = LINE
}
if err := gui.refreshSidePanels(refreshOptions{scope: []int{FILES}}); err != nil {
return err
}
if err := gui.refreshStagingPanel(false, -1); err != nil {
return err
}
return nil
}
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