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/*******************************************************************************
* Copyright (c) 2016 Obeo.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.eef.core.internal.controllers;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.eef.EEFRadioDescription;
import org.eclipse.eef.EEFWidgetDescription;
import org.eclipse.eef.EefPackage;
import org.eclipse.eef.core.api.EEFExpressionUtils;
import org.eclipse.eef.core.api.EditingContextAdapter;
import org.eclipse.eef.core.api.controllers.AbstractEEFWidgetController;
import org.eclipse.eef.core.api.controllers.IConsumer;
import org.eclipse.eef.core.api.controllers.IEEFRadioController;
import org.eclipse.eef.core.api.utils.EvalFactory;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.sirius.common.interpreter.api.IInterpreter;
import org.eclipse.sirius.common.interpreter.api.IVariableManager;
/**
* This class will be used in order to manage the behavior of the radio.
*
* @author mbats
*/
public class EEFRadioController extends AbstractEEFWidgetController implements IEEFRadioController {
/**
* The description.
*/
private EEFRadioDescription description;
/**
* The consumer of a new value of the combo.
*/
private IConsumer<Object> newValueConsumer;
/**
* The consumer of a new candidates of the combo.
*/
private IConsumer<List<Object>> newCandidatesConsumer;
/**
* The constructor.
*
* @param description
* The description
* @param variableManager
* The variable manager
* @param interpreter
* The interpreter
* @param editingContextAdapter
* The editing context adapter
*/
public EEFRadioController(EEFRadioDescription description, IVariableManager variableManager, IInterpreter interpreter,
EditingContextAdapter editingContextAdapter) {
super(variableManager, interpreter, editingContextAdapter);
this.description = description;
}
@Override
public IStatus updateValue(final Object text) {
return this.editingContextAdapter.performModelChange(() -> {
String editExpression = this.description.getEditExpression();
EAttribute eAttribute = EefPackage.Literals.EEF_RADIO_DESCRIPTION__EDIT_EXPRESSION;
Map<String, Object> variables = new HashMap<String, Object>();
variables.putAll(this.variableManager.getVariables());
variables.put(EEFExpressionUtils.EEFText.NEW_VALUE, text);
EvalFactory.of(this.interpreter, variables).logIfBlank(eAttribute).call(editExpression);
});
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.EEFTextController#refresh()
*/
@Override
public void refresh() {
super.refresh();
String candidatesExpression = this.description.getCandidatesExpression();
EAttribute candidatesExpressionEAttribute = EefPackage.Literals.EEF_RADIO_DESCRIPTION__CANDIDATES_EXPRESSION;
this.newEval().logIfBlank(candidatesExpressionEAttribute).call(candidatesExpression, (value) -> {
if (value instanceof Iterable<?>) {
List<Object> candidates = new ArrayList<Object>();
((Iterable<?>) value).forEach(object -> candidates.add(object));
this.newCandidatesConsumer.apply(candidates);
}
});
String valueExpression = this.description.getValueExpression();
this.newEval().call(valueExpression, EEFRadioController.this.newValueConsumer);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.EEFTextController#onNewValue(org.eclipse.eef.core.api.controllers.IConsumer)
*/
@Override
public void onNewValue(IConsumer<Object> consumer) {
this.newValueConsumer = consumer;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.EEFTextController#onNewValue(org.eclipse.eef.core.api.controllers.IConsumer)
*/
@Override
public void onNewCandidates(IConsumer<List<Object>> consumer) {
this.newCandidatesConsumer = consumer;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.EEFSelectController#removeNewValueConsumer()
*/
@Override
public void removeNewValueConsumer() {
this.newValueConsumer = null;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.EEFSelectController#removeNewCandidatesConsumer()
*/
@Override
public void removeNewCandidatesConsumer() {
this.newCandidatesConsumer = null;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.AbstractEEFWidgetController#getDescription()
*/
@Override
protected EEFWidgetDescription getDescription() {
return this.description;
}
}
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