/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.core.metamodel.specloader.specimpl;
import org.apache.isis.core.metamodel.adapter.MutableProposedHolder;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.consent.InteractionInvocationMethod;
import org.apache.isis.core.metamodel.consent.InteractionResultSet;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facets.TypedHolder;
import org.apache.isis.core.metamodel.facets.maxlen.MaxLengthFacet;
import org.apache.isis.core.metamodel.facets.multiline.MultiLineFacet;
import org.apache.isis.core.metamodel.facets.object.parseable.ParseableFacet;
import org.apache.isis.core.metamodel.facets.typicallen.TypicalLengthFacet;
import org.apache.isis.core.metamodel.interactions.InteractionUtils;
import org.apache.isis.core.metamodel.interactions.ValidityContext;
import org.apache.isis.core.metamodel.spec.Instance;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.ObjectActionParameter;
import org.apache.isis.core.metamodel.spec.feature.OneToOneActionParameter;
import org.apache.isis.core.metamodel.spec.feature.ParseableEntryActionParameter;
public class ObjectActionParameterParseable extends ObjectActionParameterAbstract implements ParseableEntryActionParameter {
public ObjectActionParameterParseable(final int index, final ObjectActionImpl action, final TypedHolder peer) {
super(index, action, peer);
}
@Override
public int getNoLines() {
final MultiLineFacet facet = getFacet(MultiLineFacet.class);
return facet.numberOfLines();
}
@Override
public boolean canWrap() {
final MultiLineFacet facet = getFacet(MultiLineFacet.class);
return !facet.preventWrapping();
}
@Override
public int getMaximumLength() {
final MaxLengthFacet facet = getFacet(MaxLengthFacet.class);
return facet.value();
}
@Override
public int getTypicalLineLength() {
final TypicalLengthFacet facet = getFacet(TypicalLengthFacet.class);
return facet.value();
}
/**
* Invoked when tab away, disables the OK button.
*
* <p>
* Assumed to be invoked {@link InteractionInvocationMethod#BY_USER by user}.
*/
@Override
public String isValid(final ObjectAdapter adapter, final Object proposedValue) {
if (!(proposedValue instanceof String)) {
return null;
}
final String proposedString = (String) proposedValue;
final ObjectActionParameter objectActionParameter = getAction().getParameters().get(getNumber());
if (!(objectActionParameter instanceof ParseableEntryActionParameter)) {
return null;
}
final ParseableEntryActionParameter parameter = (ParseableEntryActionParameter) objectActionParameter;
final ObjectSpecification parameterSpecification = parameter.getSpecification();
final ParseableFacet p = parameterSpecification.getFacet(ParseableFacet.class);
final ObjectAdapter newValue = p.parseTextEntry(null, proposedString);
final ValidityContext<?> ic = parameter.createProposedArgumentInteractionContext(getAuthenticationSession(), InteractionInvocationMethod.BY_USER, adapter, arguments(newValue), getNumber());
final InteractionResultSet buf = new InteractionResultSet();
InteractionUtils.isValidResultSet(parameter, ic, buf);
if (buf.isVetoed()) {
return buf.getInteractionResult().getReason();
}
return null;
}
/**
* TODO: this is not ideal, because we can only populate the array for
* single argument, rather than the entire argument set. Instead, we ought
* to do this in two passes, one to build up the argument set as a single
* unit, and then validate each in turn.
*
* @param proposedValue
* @return
*/
private ObjectAdapter[] arguments(final ObjectAdapter proposedValue) {
final int parameterCount = getAction().getParameterCount();
final ObjectAdapter[] arguments = new ObjectAdapter[parameterCount];
arguments[getNumber()] = proposedValue;
return arguments;
}
// /////////////////////////////////////////////////////////////
// getInstance
// /////////////////////////////////////////////////////////////
@Override
public Instance getInstance(final ObjectAdapter adapter) {
final OneToOneActionParameter specification = this;
return adapter.getInstance(specification);
}
// //////////////////////////////////////////////////////////////////////
// get, set
// //////////////////////////////////////////////////////////////////////
/**
* Gets the proposed value of the {@link Instance} (downcast as a
* {@link MutableProposed}, wrapping the proposed value into a
* {@link ObjectAdapter}.
*/
@Override
public ObjectAdapter get(final ObjectAdapter owner) {
final MutableProposedHolder proposedHolder = getProposedHolder(owner);
final Object proposed = proposedHolder.getProposed();
return getAdapterMap().adapterFor(proposed);
}
/**
* Sets the proposed value of the {@link Instance} (downcast as a
* {@link MutableProposed}, unwrapped the proposed value from a
* {@link ObjectAdapter}.
*/
public void set(final ObjectAdapter owner, final ObjectAdapter newValue) {
final MutableProposedHolder proposedHolder = getProposedHolder(owner);
final Object newValuePojo = newValue.getObject();
proposedHolder.setProposed(newValuePojo);
}
private MutableProposedHolder getProposedHolder(final ObjectAdapter owner) {
final Instance instance = getInstance(owner);
if (!(instance instanceof MutableProposedHolder)) {
throw new IllegalArgumentException("Instance should implement MutableProposedHolder");
}
final MutableProposedHolder proposedHolder = (MutableProposedHolder) instance;
return proposedHolder;
}
@Override
public FeatureType getFeatureType() {
return FeatureType.ACTION_PARAMETER;
}
}