Method RestoreState

tableview.go:1696–1835

RestoreState restores the UI state of the *TableView from the settings.

()

// RestoreState restores the UI state of the *TableView from the settings.
func (tv *TableView) RestoreState() error {
	state, err := tv.ReadState()
	if err != nil {
		return err
	}
	if state == "" {
		return nil
	}

	tv.SetSuspended(true)
	defer tv.SetSuspended(false)

	if tv.state == nil {
		tv.state = new(tableViewState)
	}

	tvs := tv.state

	if err := json.Unmarshal(([]byte)(state), tvs); err != nil {
		return err
	}

	name2tvc := make(map[string]*TableViewColumn)

	for _, tvc := range tv.columns.items {
		name2tvc[tvc.name] = tvc
	}

	name2tvcs := make(map[string]*tableViewColumnState)

	tvcsRetained := make([]*tableViewColumnState, 0, len(tvs.Columns))
	for _, tvcs := range tvs.Columns {
		if tvcs.LastSeenDate != "" {
			if lastSeen, err := time.Parse("2006-02-01", tvcs.LastSeenDate); err != nil {
				tvcs.LastSeenDate = ""
			} else if name2tvc[tvcs.Name] == nil && lastSeen.Add(time.Hour*24*90).Before(time.Now()) {
				continue
			}
		}
		tvcsRetained = append(tvcsRetained, tvcs)

		name2tvcs[tvcs.Name] = tvcsRetained[len(tvcsRetained)-1]

		if tvc := name2tvc[tvcs.Name]; tvc != nil {
			if err := tvc.SetFrozen(tvcs.Frozen); err != nil {
				return err
			}
			var visible bool
			for _, name := range tvs.ColumnDisplayOrder {
				if name == tvc.name {
					visible = true
					break
				}
			}
			if err := tvc.SetVisible(tvc.visible && (visible || tvcs.Visible)); err != nil {
				return err
			}
			if err := tvc.SetTitleOverride(tvcs.Title); err != nil {