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Setting up DefaultDataPropertyForm to handle empty strings NIHVIVO-3353 VITRO-432

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This commit is contained in:
briancaruso 2011-11-30 17:12:34 +00:00
parent 5f2db5f824
commit a990f44ffc
3 changed files with 53 additions and 26 deletions
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56
webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/DefaultDataPropertyFormGenerator.java
View file

@ -29,13 +29,12 @@ public class DefaultDataPropertyFormGenerator extends BaseEditConfigurationGener
private static Log log = LogFactory.getLog(DefaultDataPropertyFormGenerator.class);
static String literalVar = "literal";
static String literalPlaceholder = "?"+literalVar;
static final String literalVar = "literal";
static final String literalPlaceholder = "?"+literalVar;
static final String dataPropN3 = "?subject ?predicate " + literalPlaceholder + " . " ;
@Override
public EditConfigurationVTwo getEditConfiguration(VitroRequest vreq, HttpSession session) {
String command = vreq.getParameter("cmd");
public EditConfigurationVTwo getEditConfiguration(VitroRequest vreq, HttpSession session) {
String subjectUri = vreq.getParameter("subjectUri");
Individual subject = vreq.getWebappDaoFactory().getIndividualDao().getIndividualByURI(subjectUri);
if( subject == null )
@ -58,32 +57,42 @@ public class DefaultDataPropertyFormGenerator extends BaseEditConfigurationGener
rangeDatatypeUri = vreq.getWebappDaoFactory().getDataPropertyDao().getRequiredDatatypeURI(subject, dataproperty);
}
Integer dataHash = EditConfigurationUtils.getDataHash(vreq);
boolean update = ( dataHash != null );
EditConfigurationVTwo editConfiguration = new EditConfigurationVTwo();
editConfiguration.setTemplate("defaultDataPropertyForm.ftl");
initBasics(editConfiguration, vreq);
initPropertyParameters(vreq, session, editConfiguration);
editConfiguration.setN3Required(Arrays.asList( "?subject ?predicate " + literalPlaceholder + " . "));
editConfiguration.setDatapropKey( EditConfigurationUtils.getDataHash(vreq) );
editConfiguration.setTemplate("defaultDataPropertyForm.ftl");
editConfiguration.setDatapropKey( dataHash );
editConfiguration.setVarNameForSubject("subject");
editConfiguration.setSubjectUri(subjectUri);
editConfiguration.setEntityToReturnTo( subjectUri );
editConfiguration.setVarNameForPredicate("predicate");
editConfiguration.setPredicateUri(predicateUri);
editConfiguration.setVarNameForSubject("subject");
editConfiguration.setVarNameForPredicate("predicate");
editConfiguration.setVarNameForObject( literalVar );
editConfiguration.setLiteralsOnForm( Arrays.asList( literalVar ));
editConfiguration.addField( new FieldVTwo()
.setName( literalVar )
.setPredicateUri(predicateUri)
.setRangeDatatypeUri(rangeDatatypeUri));
//deal with empty field
editConfiguration.addModelChangePreprocessor( new DefaultDataPropEmptyField() );
FieldVTwo literalField = new FieldVTwo()
.setName( literalVar )
.setPredicateUri(predicateUri)
.setRangeDatatypeUri(rangeDatatypeUri);
editConfiguration.addField( literalField );
// An empty field on an update gets special treatment
if( update ) {
// on update, allow an empty field and deal with it in DefaultDataPropEmptyField
// see comments in DefaultDataPropEmptyField and VITRO-432
editConfiguration.addModelChangePreprocessor( new DefaultDataPropEmptyField() );
editConfiguration.setN3Optional(Arrays.asList( dataPropN3 ));
}else{
//on new, don't allow an empty field
literalField.setValidators(list( "nonempty" ));
editConfiguration.setN3Required(Arrays.asList( dataPropN3 ));
}
return editConfiguration;
}
@ -124,7 +133,6 @@ public class DefaultDataPropertyFormGenerator extends BaseEditConfigurationGener
}
private static void dataTypeDebug(DataPropertyStatement dps,
DataProperty dataproperty) {
if( dps == null )

3
webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/preprocessors/DefaultDataPropEmptyField.java
View file

@ -49,8 +49,7 @@ public class DefaultDataPropEmptyField implements ModelChangePreprocessor{
// Our editors have gotten into the habit of clearing the text from the
// textarea and saving it to invoke a delete. see Issue VITRO-432
if (configuration.getFields().size() == 1) {
String onlyField = configuration.getFields().keySet().iterator()
.next();
String onlyField = configuration.getFields().keySet().iterator().next();
List<Literal> value = submission.getLiteralsFromForm().get(onlyField);
if( value == null || value.size() == 0){
return true;