Hi Tom,
I assume you meant "there is *no* dash:DateTimePicker" declared. Should
be fixed now.
Thanks,
Holger
On 13/07/2020 19:52, Tomasz Pluskiewicz wrote:
By the way, I just notice that there is dash:DateTimePicker in the
published DASH vocabulary
wtorek, 16 czerwca 2020 o 00:09:17 UTC+2 Holger Knublauch napisał(a):
On 15/06/2020 19:59, Tomasz Pluskiewicz wrote:
Ah, yes, I realise that I eventually implemented it similarly
with the default value because always added for new values so
indeed the selection process is the same for existing and new
objects.
Could you link to a diff of what you changed in forms.html?
Attached
Holger
W dniu poniedziałek, 15 czerwca 2020 02:23:31 UTC+2 użytkownik
Holger Knublauch napisał:
In our implementation each widget receives a "default" value
when initialized. In the case of literals, this is a literal
with the lexical form "", i.e. the empty string. In the case
of URIs this is an URI node with "" as its URI. This approach
means that these scoring rules can apply relatively consistently.
Having said this, the score functions in our implementation
also receive a second argument, which is metadata about the
'field', which is basically the collection of applicable
property shapes for that property/path. Some widgets do use
that metadata to make further choices in cases where the node
isn't sufficient to make a decision.
Examples:
BlankNodeViewer.score = (value, field) => {
returnvalue.isBlankNode() ? 1 : 0;
};
The only widgets that use the 'field' above are dash:Editors:
BooleanSelectEditor.score = (value, field) => {
if(value.dt == 'boolean') {
return10;
}
if(field.isObjectProperty) {
return0;
}
if(field.hasDT('boolean')) {
return10;
}
if(field.hasAnyDT()) {
return0;
}
returnnull;
};
DatePickerEditor.score = (value, field) => {
returnvalue.dt == 'date' ? 10 : field &&
field.hasDT('date') ? 5 : 0;
};
DateTimePickerEditor.score = (value, field) => {
returnvalue.dt == 'dateTime' ? 10 : field &&
field.hasDT('dateTime') ? 5 : 0;
};
EnumSelectEditor.score = (value, field) => {
returnfield && field.enumValues ? 10 : 0;
};
FromConceptSchemeEditor.score = (value, field) => {
if(field && field.hasAnyDT()) {
// Unsuitable for datatype fields
return0;
}
// We don't have enough info here to decide so leave the choice to users
returnnull;
};
OWLManchesterSyntaxEditor.score = (value, field) => {
if (
!field.path.isInverse &&
(field.path.predicate ==
'http://www.w3.org/2000/01/rdf-schema#domain' ||
field.path.predicate ==
'http://www.w3.org/2000/01/rdf-schema#range' ||
field.path.predicate ==
'http://www.w3.org/2000/01/rdf-schema#subClassOf' ||
field.path.predicate ==
'http://www.w3.org/2002/07/owl#disjointWith' ||
field.path.predicate ==
'http://www.w3.org/2002/07/owl#equivalentClass')
) {
if (value.isBlankNode()) {
return50;
} else {
returnnull;
}
} else {
return0;
}
};
TextAreaEditor.score = (value, field) => {
if (value.isString()) {
if (field && field.singleLine === true) {
return0;
} elseif (field && field.singleLine === false) {
return20; // Prefer over single line editors
} elseif(DisplayUtil.containsLineBreak(value.lex) &&
field.singleLine !== false) {
return20; // Prefer over single line editors if line breaks exist
} else {
return5;
}
} elseif (field.hasDT('string')) {
return2;
}
elseif(field.hasCustomDatatype()) {
returnnull;
} else {
return0;
}
};
TextAreaWithLangEditor.score = (value, field) => {
if (value.isLangString() || (field &&
field.isStringOrLangString())) {
if (field && field.singleLine === true) {
return0;
} elseif (field && field.singleLine === false) {
return15; // Prefer over single line editors
} elseif(DisplayUtil.containsLineBreak(value.lex) &&
field.singleLine !== false) {
return15; // Prefer over single line editors if line breaks exist
} else {
return5;
}
} elseif (field &&
field.hasDT('langString') && !field.singleLine) {
return5;
} else {
return0;
}
};
TextFieldWithLangEditor.score = (value, field) => {
if (value.isLangString() || (field &&
field.isStringOrLangString())) {
return10;
} elseif (field &&
field.hasDT('langString') && !field.singleLine) {
return5;
} else {
return0;
}
};
TimeEditor.score = (value, field) => {
returnvalue.dt == 'time' ? 15 : field &&
field.hasDT('time') ? 5 : 0;
};
URIEditor.score = (value, field) => {
if (value.isURI()) {
if (field.nodeKind && field.nodeKind.label == 'IRI' &&
field.isObjectProperty && field.classes.length == 0) {
return10;
} else {
returnnull;
}
} else {
return0;
}
};
I have made small updates to the forms.html online doc to
clarify this (and added dash:DateTimePicker which we have
implemented in the meantime).
Holger
On 12/06/2020 18:51, Tomasz Pluskiewicz wrote:
Hi
I am implementing a SHACL form builder in JavaScript and
intended to have DASH integrated by default.
I have a little difficulty with the scoring system. Let's
take the simplest text field as example. The spec says
* 10 if the value is a literal that is neither
rdf:langString nor xsd:boolean
* 0 otherwise
First question is in general about the rules which mention a
"value". This applies only to existing triples in the
dataset at the time the form is initialised, correct? For
example
|
# score 10
<#me> rdfs:label "Tomasz Pluskiewicz" .
# score 0
<#me> rdfs:label "Tomasz Pluskiewicz"@pl .
|
I think this is missing a rule for adding new objects for a
property. Such as when a user clicks a (+) button. In that
case the property shape is the only information available as
there is no "value" yet.
The example snippet does show a "sh:datatype xsd:string" but
it's not mentioned in the score rules for the text field. A
bit of a grey area?
Best,
Tom
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