On Sun, Sep 29, 2019 at 01:34:14PM +0200, Andreas Nicolai wrote:
> Hi Scott,
> 
> thanks for your ideas, let me comment below.
> >> I would like to contribute an improvement on this workflow:
> 
> >> 1. Button and sub-dialog approach:
> >> - add a button on the dialog "Create label"
> >> - sub-dialog opens and allows selecting existing
> >> sections/subections/images/tables in a tree-view or filtered list-view
> >> (with combo-box filter)
> >> - if a label exists for this section -> close dialog using button
> >> "Select label"
> >
> > It feels like there's an inconsistency here. At this point, the user has
> > clicked on "Create label". But for this situation (the label already
> > exists), there is no label that is created. I wonder if "Cancel" would
> > be the correct choice by the user if they want to use a label that's
> > already been created. Alternatively, perhaps my concern would be
> > addressed by renaming "Create label" to something else (I don't
> > currently have a suggestion).
> 
> Indeed, "create label" might be misleading. Actually, the button spawns
> the regular "Insert label" Dialog (class GuiLabel). When confirmed, the
> user has effectively inserted a new label at the selected section/float.
> Maybe "Insert new label" or so might be better (actually, this modal
> "sub-dialog" variant isn't really my favourite).
> 
> >> - in cross-reference dialog update list of labels and select newly
> >> created/selected label
> >
> > Why do we need this step? i.e., why not directly insert the label just
> > created? I'm guessing it is because the user might want to change
> > something else in the cross-reference dialog, such as the "Reference
> > Format", but I just wanted to check that that's what you have in mind.
> 
> Correct, that was my intention. After the label-selection normally one
> may adjust the reference format (actually, in my experience this happens
> only often when writing text with equation references and section/float
> references).
> 
> 
> >> 2. "switch selection list"-appraoch:
> >> This facilitates also the approach when users are not 100% sure which
> >> section to reference right now or when the choosen labels are not 100%
> >> clear in what they describe. In such cases the document structure and
> >> section captions can be a better way to select labels.
> >>
> >> Idea: the cross-reference dialog has two selection modes:
> >> a) as before, a groupable, filter-able list of existing labels
> >> b) a groupable list of all existing sections/subsections/images/tables,
> >> with highlighting (bold-face) for all list items that have already
> >> labels defined
> >>
> >> User can switch between both views via
> >> toggle-button/radio-button...Toolbox-Window..?
> 
> > Interesting ideas! Just to be clear, instead of "images" I think you
> > mean "figure floats".
> 
> Right. But in the tree view/list I would still distinguish between
> Graphics and Tables, since IMHO authors rather think in terms of
> Image-reference and table-references when writing text (such as "see
> Fig. \ref{fig:xxx}" or "in Table \ref{tab:xxx})".
> 
> > And perhaps instead of "figures/tables" we can
> > generalize to "floats". I don't understand variant 2 well.
> 
> Actually, variant 2 is pretty much what you would expect from a regular
> text processor. You (the author) type text where a reference might be
> needed/appropriate. For example: "This is the same as discussed already
> in section ". Now, you want to insert a referece. You hit the shortcut
> for "insert reference" and a dialog appears. Here, you select the
> section in question, click ok and go on typing. The selection of the
> section is hereby done based on the caption or number and caption, for
> example "2.3 Equations that yield 42", just as it appears in the
> navigation menu.
> 
> Since the current functionality is also needed (select label by label
> name), the "select by reference text/number" approach would work better
> for quite a few authors.
> 
> Remains the question on how to actually generate the new label name and
> where to insert it.
> 
> For may insets a default behaviour could be formulated:
> 
> - sections/subsections... : always insert the label right at the begin
> of the inset, before the caption text
> 
> - figures/tables/floats in general: always insert the label at the begin
> of the caption text
> 
> - listings: require caption to create new label, if caption is present,
> use as for regular floats.
> 
> > An extension that might be worth talking about later: currently, does
> > LyX know how to add a label for different layouts? It might, I don't
> > know. In any case, perhaps we would need some layout tag that would tell
> > LyX how to add the label. For example, if a user creates a new layout
> > how does LyX know where to put the \label command? Should it put it in
> > one of the arguments or in the main chunk? I don't know much about
> > LaTeX. Perhaps this isn't needed at all.
> 
> > I would
> > suggest waiting until another dev comes along and gives a strong signal
> > for you to go forward spending more time on this.
> 
> 
> Sure, right now I'm still analysing the inset-creation code and try to
> figure out, how the "GuiLabel" dialog actually works.
> 
> For (my favourite) variant 2, I still don't know what would be the best
> way of switching between the "selection modes". My best bet so far is to
> use a tab widget with horizontal tabs saying "Select by label", "Select
> by caption"
> 
> 
> Any ideas are welcome!

Thanks for the responses, Andreas!

Scott

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