On 2022-06-20 2:17 pm, Tim Smith wrote:
Hi Holger,
I will do some testing. I have tried rendering a string of type
rdf:html in the value table viewer and it appeared as the HTML source
code (complete with tags) in the cell. If it appeared as the HTML
definition, that would give me complete control for the initial use case.
Right, I looked at the source code and believe the tables should render
rdf:HTML inline, so I have recorded a ticket to get this changed (after
confirming there is no problem with that).
For the full use case, I will need professional services to enhance
the functionality of the existing value table viewer.
Over many years of experience, I have found that a spreadsheet-like
way to create instance data in a complex graph significantly lowers
the barrier of entry to a knowledge graph solution.
In older iterations, the Search Panel had editable cells, and that made
inline editing quite easy. Would that help or would edits need to be on
the Form itself?
Holger
Thank you for your solutions,
Tim
On Sun, Jun 19, 2022, 7:59 PM Holger Knublauch
<hol...@topquadrant.com> wrote:
Hi Tim,
*declaring* a viewer (or editor) so that it shows up in the
dash:viewer selection is, of course, easy and done through RDF
triples. However, the implementations of almost all viewers is in
JavaScript/React. The process for those is described in the PDF
linked from
https://www.topquadrant.com/doc/7.2/ext/points.html#adding-a-new-panel-to-the-editor-applications
One way of declaring simple viewer widgets without any programming
is to infer rdf:HTML literals using a sh:values rule. So in
theory, depending on your requirements, you could declare a new
property with a sh:values rule that uses ADS, e.g.
graph.html(`
<table>
<tr>
<td>${focusNode.value(rdfs.label)}</td>
</tr>
</table>
`)
This mechanism would however require a new property with a
different sh:path, and also it can only produce normal HTML, and
not the more powerful React-based tables that we use as foundation
of our own viewers.
But maybe there is a middle ground here: using the built-in
dash:ValueTableViewer as in
https://datashapes.org/forms.html#ValueTableViewer
and then use sh:values inferences to produce rdf:HTML? This could
control colors and fonts, but supporting editing is a completely
different beast altogether, because it would blur the lines of
view and edit modes (and the complexity of permissions).
Using TQ Professional Services or Premium Support is another
option. We could look at your requirements together and come up
with a plan to either do custom development or generalize what we
have to also support your use cases.
Holger
On 2022-06-18 3:22 am, Tim Smith wrote:
Hi,
I would like to add additional viewers and editors like those
found in the dash namespace
<https://www.datashapes.org/forms.html#overview>. Is it possible
to add to EDG in this way? Can I add capability to an existing
viewer? In particular, I would like a more robust Value Table
Viewer that supports colors, fonts, and editing for certain use
cases. If so, is there a guide available?
Thanks,
Tim
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