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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.Collections;
import java.util.List;
import org.eclipse.eef.EEFWidgetDescription;
import org.eclipse.eef.EefPackage;
import org.eclipse.eef.core.api.EEFExpressionUtils;
import org.eclipse.eef.core.api.controllers.IConsumer;
import org.eclipse.eef.core.api.controllers.IEEFWidgetController;
import org.eclipse.eef.core.api.controllers.IValidationMessage;
import org.eclipse.eef.core.api.utils.ISuccessfulResultConsumer;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.Diagnostician;
import org.eclipse.sirius.common.interpreter.api.IInterpreter;
import org.eclipse.sirius.common.interpreter.api.IVariableManager;
/**
* This class is used to provide utilities to widget controller.
*
* @author mbats
*/
public abstract class AbstractEEFWidgetController extends AbstractEEFController implements IEEFWidgetController {
/**
* The consumer of a new value of the label.
*/
protected IConsumer<String> newLabelConsumer;
/**
* The consumer of the new value of the help.
*/
protected IConsumer<String> newHelpConsumer;
/**
* The consumer of the validation messages.
*/
protected IConsumer<List<IValidationMessage>> validationConsumer;
/**
* The constructor.
*
* @param variableManager
* The variable manager
* @param interpreter
* The interpreter
*/
public AbstractEEFWidgetController(IVariableManager variableManager, IInterpreter interpreter) {
super(variableManager, interpreter);
}
/**
* Returns the widget description.
*
* @return The widget description
*/
protected abstract EEFWidgetDescription getDescription();
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.IEEFWidgetController#onNewLabel(org.eclipse.eef.core.api.controllers.IConsumer)
*/
@Override
public void onNewLabel(IConsumer<String> consumer) {
this.newLabelConsumer = consumer;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.IEEFWidgetController#removeNewLabelConsumer()
*/
@Override
public void removeNewLabelConsumer() {
this.newLabelConsumer = null;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.IEEFWidgetController#onNewHelp(org.eclipse.eef.core.api.controllers.IConsumer)
*/
@Override
public void onNewHelp(IConsumer<String> consumer) {
this.newHelpConsumer = consumer;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.IEEFWidgetController#removeNewHelpConsumer()
*/
@Override
public void removeNewHelpConsumer() {
this.newHelpConsumer = null;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.IEEFWidgetController#onValidation(org.eclipse.eef.core.api.controllers.IConsumer)
*/
@Override
public void onValidation(IConsumer<List<IValidationMessage>> consumer) {
this.validationConsumer = consumer;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.IEEFWidgetController#removeValidationConsumer()
*/
@Override
public void removeValidationConsumer() {
this.validationConsumer = null;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.core.api.controllers.IEEFWidgetController#refresh()
*/
@Override
public void refresh() {
String labelExpression = this.getDescription().getLabelExpression();
EAttribute labelEAttribute = EefPackage.Literals.EEF_WIDGET_DESCRIPTION__LABEL_EXPRESSION;
this.newEval().call(labelEAttribute, labelExpression, String.class, new ISuccessfulResultConsumer<String>() {
@Override
public void apply(String value) {
AbstractEEFWidgetController.this.newLabelConsumer.apply(value);
}
});
String helpExpression = this.getDescription().getHelpExpression();
this.newEval().call(helpExpression, String.class, new ISuccessfulResultConsumer<String>() {
@Override
public void apply(String value) {
AbstractEEFWidgetController.this.newHelpConsumer.apply(value);
}
});
// TODO [SBE][Validation] TO BE REMOVED FOR REAL VALIDATION RULES
Object self = this.variableManager.getVariables().get(EEFExpressionUtils.SELF);
if (self instanceof EObject) {
EObject eObject = (EObject) self;
Diagnostic diagnostic = Diagnostician.INSTANCE.validate(eObject);
this.validationConsumer.apply(Collections.singletonList(ValidationMessageBuilder.of(diagnostic)));
}
}
}
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