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We want to show an error when the user tries to invoke an action that expects only a single item to be selected. We're using the GetDisabledReason field to enforce this (as well as DisabledReason on menu items). I've created a ListControllerTrait to store some shared convenience functions for this.
91 lines
2.5 KiB
Go
91 lines
2.5 KiB
Go
package controllers
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import (
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"github.com/jesseduffield/lazygit/pkg/gui/context"
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"github.com/jesseduffield/lazygit/pkg/gui/types"
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)
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// This controller is for all contexts that contain commit files.
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var _ types.IController = &SwitchToDiffFilesController{}
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type CanSwitchToDiffFiles interface {
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types.IListContext
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CanRebase() bool
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GetSelectedRef() types.Ref
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}
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// Not using our ListControllerTrait because our 'selected' item is not a list item
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// but an attribute on it i.e. the ref of an item.
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type SwitchToDiffFilesController struct {
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baseController
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*ListControllerTrait[types.Ref]
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c *ControllerCommon
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context CanSwitchToDiffFiles
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diffFilesContext *context.CommitFilesContext
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}
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func NewSwitchToDiffFilesController(
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c *ControllerCommon,
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context CanSwitchToDiffFiles,
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diffFilesContext *context.CommitFilesContext,
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) *SwitchToDiffFilesController {
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return &SwitchToDiffFilesController{
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baseController: baseController{},
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ListControllerTrait: NewListControllerTrait[types.Ref](
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c,
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context,
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context.GetSelectedRef,
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),
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c: c,
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context: context,
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diffFilesContext: diffFilesContext,
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}
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}
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func (self *SwitchToDiffFilesController) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
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bindings := []*types.Binding{
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{
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Key: opts.GetKey(opts.Config.Universal.GoInto),
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Handler: self.withItem(self.enter),
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GetDisabledReason: self.require(self.singleItemSelected()),
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Description: self.c.Tr.ViewItemFiles,
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},
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}
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return bindings
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}
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func (self *SwitchToDiffFilesController) GetOnClick() func() error {
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return self.withItemGraceful(self.enter)
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}
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func (self *SwitchToDiffFilesController) enter(ref types.Ref) error {
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return self.viewFiles(SwitchToCommitFilesContextOpts{
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Ref: ref,
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CanRebase: self.context.CanRebase(),
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Context: self.context,
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})
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}
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func (self *SwitchToDiffFilesController) viewFiles(opts SwitchToCommitFilesContextOpts) error {
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diffFilesContext := self.diffFilesContext
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diffFilesContext.SetSelection(0)
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diffFilesContext.SetRef(opts.Ref)
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diffFilesContext.SetTitleRef(opts.Ref.Description())
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diffFilesContext.SetCanRebase(opts.CanRebase)
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diffFilesContext.SetParentContext(opts.Context)
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diffFilesContext.SetWindowName(opts.Context.GetWindowName())
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diffFilesContext.ClearSearchString()
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diffFilesContext.GetView().TitlePrefix = opts.Context.GetView().TitlePrefix
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if err := self.c.Refresh(types.RefreshOptions{
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Scope: []types.RefreshableView{types.COMMIT_FILES},
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}); err != nil {
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return err
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}
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return self.c.PushContext(diffFilesContext)
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}
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