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139 lines
3.6 KiB
Go
139 lines
3.6 KiB
Go
package context
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import (
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"github.com/jesseduffield/generics/slices"
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"github.com/jesseduffield/lazygit/pkg/gui/keybindings"
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"github.com/jesseduffield/lazygit/pkg/gui/style"
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"github.com/jesseduffield/lazygit/pkg/gui/types"
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"github.com/jesseduffield/lazygit/pkg/utils"
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"github.com/samber/lo"
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)
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type MenuContext struct {
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c *ContextCommon
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*MenuViewModel
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*ListContextTrait
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}
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var _ types.IListContext = (*MenuContext)(nil)
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func NewMenuContext(
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c *ContextCommon,
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) *MenuContext {
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viewModel := NewMenuViewModel(c)
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return &MenuContext{
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c: c,
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MenuViewModel: viewModel,
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ListContextTrait: &ListContextTrait{
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Context: NewSimpleContext(NewBaseContext(NewBaseContextOpts{
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View: c.Views().Menu,
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WindowName: "menu",
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Key: "menu",
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Kind: types.TEMPORARY_POPUP,
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Focusable: true,
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HasUncontrolledBounds: true,
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})),
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getDisplayStrings: viewModel.GetDisplayStrings,
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list: viewModel,
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c: c,
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columnAlignments: []utils.Alignment{utils.AlignRight, utils.AlignLeft},
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},
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}
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}
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// TODO: remove this thing.
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func (self *MenuContext) GetSelectedItemId() string {
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item := self.GetSelected()
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if item == nil {
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return ""
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}
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return item.Label
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}
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type MenuViewModel struct {
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c *ContextCommon
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menuItems []*types.MenuItem
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*BasicViewModel[*types.MenuItem]
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}
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func NewMenuViewModel(c *ContextCommon) *MenuViewModel {
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self := &MenuViewModel{
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menuItems: nil,
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c: c,
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}
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self.BasicViewModel = NewBasicViewModel(func() []*types.MenuItem { return self.menuItems })
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return self
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}
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func (self *MenuViewModel) SetMenuItems(items []*types.MenuItem) {
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self.menuItems = items
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}
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// TODO: move into presentation package
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func (self *MenuViewModel) GetDisplayStrings(_startIdx int, _length int) [][]string {
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showKeys := slices.Some(self.menuItems, func(item *types.MenuItem) bool {
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return item.Key != nil
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})
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return slices.Map(self.menuItems, func(item *types.MenuItem) []string {
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displayStrings := item.LabelColumns
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if !showKeys {
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return displayStrings
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}
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// These keys are used for general navigation so we'll strike them out to
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// avoid confusion
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reservedKeys := []string{
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self.c.UserConfig.Keybinding.Universal.Confirm,
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self.c.UserConfig.Keybinding.Universal.Select,
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self.c.UserConfig.Keybinding.Universal.Return,
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}
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keyLabel := keybindings.LabelFromKey(item.Key)
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keyStyle := style.FgCyan
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if lo.Contains(reservedKeys, keyLabel) {
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keyStyle = style.FgDefault.SetStrikethrough()
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}
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displayStrings = slices.Prepend(displayStrings, keyStyle.Sprint(keyLabel))
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return displayStrings
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})
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}
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func (self *MenuContext) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
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basicBindings := self.ListContextTrait.GetKeybindings(opts)
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menuItemsWithKeys := slices.Filter(self.menuItems, func(item *types.MenuItem) bool {
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return item.Key != nil
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})
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menuItemBindings := slices.Map(menuItemsWithKeys, func(item *types.MenuItem) *types.Binding {
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return &types.Binding{
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Key: item.Key,
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Handler: func() error { return self.OnMenuPress(item) },
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}
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})
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// appending because that means the menu item bindings have lower precedence.
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// So if a basic binding is to escape from the menu, we want that to still be
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// what happens when you press escape. This matters when we're showing the menu
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// for all keybindings of say the files context.
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return append(basicBindings, menuItemBindings...)
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}
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func (self *MenuContext) OnMenuPress(selectedItem *types.MenuItem) error {
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if err := self.c.PopContext(); err != nil {
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return err
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}
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if err := selectedItem.OnPress(); err != nil {
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return err
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}
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return nil
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}
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