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lazygit/pkg/gui/context/commit_message_context.go
Stefan Haller 22dc7fece9 Have only one of commit message and description on the context stack at a time
This is how we do it for confirmation with suggestions too, so be consistent. It
will make things easier later in this branch if we only have one context per
"panel" on the stack, even if the panel consists of two views.

Concretely this means:
- only push the message context onto the stack when opening the panel (this
  requires making the description view visible manually; we do the same for
  suggestions)
- when switching between message and description, use ReplaceContext rather than
  PushContext
2024-06-27 10:14:00 +02:00

142 lines
4.3 KiB
Go

package context
import (
"strconv"
"strings"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/gui/keybindings"
"github.com/jesseduffield/lazygit/pkg/gui/types"
"github.com/jesseduffield/lazygit/pkg/utils"
)
type CommitMessageContext struct {
c *ContextCommon
types.Context
viewModel *CommitMessageViewModel
}
var _ types.Context = (*CommitMessageContext)(nil)
// when selectedIndex (see below) is set to this value, it means that we're not
// currently viewing a commit message of an existing commit: instead we're making our own
// new commit message
const NoCommitIndex = -1
type CommitMessageViewModel struct {
// index of the commit message, where -1 is 'no commit', 0 is the HEAD commit, 1
// is the prior commit, and so on
selectedindex int
// if true, then upon escaping from the commit message panel, we will preserve
// the message so that it's still shown next time we open the panel
preserveMessage bool
// the full preserved message (combined summary and description)
preservedMessage string
// invoked when pressing enter in the commit message panel
onConfirm func(string, string) error
// invoked when pressing the switch-to-editor key binding
onSwitchToEditor func(string) error
// The message typed in before cycling through history
// We store this separately to 'preservedMessage' because 'preservedMessage'
// is specifically for committing staged files and we don't want this affected
// by cycling through history in the context of rewording an old commit.
historyMessage string
}
func NewCommitMessageContext(
c *ContextCommon,
) *CommitMessageContext {
viewModel := &CommitMessageViewModel{}
return &CommitMessageContext{
c: c,
viewModel: viewModel,
Context: NewSimpleContext(
NewBaseContext(NewBaseContextOpts{
Kind: types.PERSISTENT_POPUP,
View: c.Views().CommitMessage,
WindowName: "commitMessage",
Key: COMMIT_MESSAGE_CONTEXT_KEY,
Focusable: true,
HasUncontrolledBounds: true,
}),
),
}
}
func (self *CommitMessageContext) SetSelectedIndex(value int) {
self.viewModel.selectedindex = value
}
func (self *CommitMessageContext) GetSelectedIndex() int {
return self.viewModel.selectedindex
}
func (self *CommitMessageContext) GetPreserveMessage() bool {
return self.viewModel.preserveMessage
}
func (self *CommitMessageContext) GetPreservedMessage() string {
return self.viewModel.preservedMessage
}
func (self *CommitMessageContext) SetPreservedMessage(message string) {
self.viewModel.preservedMessage = message
}
func (self *CommitMessageContext) GetHistoryMessage() string {
return self.viewModel.historyMessage
}
func (self *CommitMessageContext) SetHistoryMessage(message string) {
self.viewModel.historyMessage = message
}
func (self *CommitMessageContext) OnConfirm(summary string, description string) error {
return self.viewModel.onConfirm(summary, description)
}
func (self *CommitMessageContext) SetPanelState(
index int,
summaryTitle string,
descriptionTitle string,
preserveMessage bool,
onConfirm func(string, string) error,
onSwitchToEditor func(string) error,
) {
self.viewModel.selectedindex = index
self.viewModel.preserveMessage = preserveMessage
self.viewModel.onConfirm = onConfirm
self.viewModel.onSwitchToEditor = onSwitchToEditor
self.GetView().Title = summaryTitle
self.c.Views().CommitDescription.Title = descriptionTitle
self.c.Views().CommitDescription.Subtitle = utils.ResolvePlaceholderString(self.c.Tr.CommitDescriptionSubTitle,
map[string]string{
"togglePanelKeyBinding": keybindings.Label(self.c.UserConfig.Keybinding.Universal.TogglePanel),
"commitMenuKeybinding": keybindings.Label(self.c.UserConfig.Keybinding.CommitMessage.CommitMenu),
})
self.c.Views().CommitDescription.Visible = true
}
func (self *CommitMessageContext) RenderCommitLength() {
if !self.c.UserConfig.Gui.CommitLength.Show {
return
}
self.c.Views().CommitMessage.Subtitle = getBufferLength(self.c.Views().CommitMessage)
}
func getBufferLength(view *gocui.View) string {
return " " + strconv.Itoa(strings.Count(view.TextArea.GetContent(), "")-1) + " "
}
func (self *CommitMessageContext) SwitchToEditor(message string) error {
return self.viewModel.onSwitchToEditor(message)
}
func (self *CommitMessageContext) CanSwitchToEditor() bool {
return self.viewModel.onSwitchToEditor != nil
}