sqlite: add context actions for compact, export, drop table

This commit is contained in:
mappu 2024-07-14 15:34:17 +12:00
parent 8f5e1054fb
commit ce3d08740f
2 changed files with 73 additions and 2 deletions

View File

@ -229,8 +229,52 @@ func (ld *sqliteLoadedDatabase) NavChildren(ndata *navData) ([]string, error) {
return nil, fmt.Errorf("unknown nav path %#v", ndata.bucketPath) return nil, fmt.Errorf("unknown nav path %#v", ndata.bucketPath)
} }
func (ld *sqliteLoadedDatabase) NavContext(ndata *navData) ([]contextAction, error) { func (ld *sqliteLoadedDatabase) NavContext(ndata *navData) (ret []contextAction, err error) {
return nil, nil // No special actions are supported
if len(ndata.bucketPath) == 0 {
ret = append(ret, contextAction{"Compact database", ld.CompactDatabase})
ret = append(ret, contextAction{"Export backup...", ld.ExportBackup})
}
if len(ndata.bucketPath) == 2 {
ret = append(ret, contextAction{"Drop table", ld.DropTable})
}
return
}
func (ld *sqliteLoadedDatabase) CompactDatabase(sender vcl.IComponent, ndata *navData) error {
_, err := ld.db.Exec(`VACUUM;`)
return err
}
func (ld *sqliteLoadedDatabase) ExportBackup(sender vcl.IComponent, ndata *navData) error {
// Popup for output file
dlg := vcl.NewSaveDialog(sender)
dlg.SetTitle("Save backup as...")
dlg.SetFilter(sqliteFilter)
ret := dlg.Execute() // Fake blocking
if !ret {
return nil // cancelled
}
_, err := ld.db.Exec(`VACUUM INTO ?`, dlg.FileName())
return err
}
func (ld *sqliteLoadedDatabase) DropTable(sender vcl.IComponent, ndata *navData) error {
if len(ndata.bucketPath) != 2 {
return errors.New("Invalid selection")
}
//
tableName := ndata.bucketPath[1]
if !vcl_confirm_dialog(sender, "Drop table", fmt.Sprintf("Are you sure you want to drop the table %q?", tableName)) {
return nil // cancelled
}
_, err := ld.db.Exec(`DROP TABLE "` + tableName + `"`) // WARNING can't prepare this parameter, but it comes from the DB (trusted)
return err
} }
func (ld *sqliteLoadedDatabase) Close() { func (ld *sqliteLoadedDatabase) Close() {

View File

@ -90,3 +90,30 @@ func vcl_stringgrid_columnwidths(d *vcl.TStringGrid) {
} }
} }
} }
func vcl_confirm_dialog(sender vcl.IComponent, title string, message string) bool {
dlg := vcl.NewTaskDialog(sender)
dlg.SetCaption(APPNAME)
dlg.SetTitle(title)
dlg.SetText(message)
dlg.SetCommonButtons(types.NewSet())
yesBtn := dlg.Buttons().Add()
yesBtn.SetCaption("Confirm")
yesBtn.SetModalResult(types.MrYes)
noBtn := dlg.Buttons().Add()
noBtn.SetCaption("Cancel")
noBtn.SetModalResult(types.MrCancel)
ret := dlg.Execute()
if !ret {
return false // dialog closed
}
if dlg.ModalResult() != types.MrYes {
return false // other button clicked
}
return true // confirmed
}