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/*******************************************************************************
* Copyright (c) 2015, 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.ide.ui.properties.api;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Stream;
import org.eclipse.eef.EEFContainerDescription;
import org.eclipse.eef.EEFControlDescription;
import org.eclipse.eef.EEFDynamicMappingFor;
import org.eclipse.eef.EefPackage;
import org.eclipse.eef.core.api.EEFExpressionUtils;
import org.eclipse.eef.core.api.EEFGroup;
import org.eclipse.eef.core.api.EEFPage;
import org.eclipse.eef.core.api.utils.EvalFactory;
import org.eclipse.eef.ide.ui.properties.internal.RefreshIdsHolder;
import org.eclipse.eef.properties.ui.api.AbstractEEFTabDescriptor;
import org.eclipse.eef.properties.ui.api.IEEFSectionDescriptor;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
/**
* The implementation of the {@link AbstractEEFTabDescriptor} using the {@link EEFPage}.
*
* @author sbegaudeau
*/
public class EEFTabDescriptor extends AbstractEEFTabDescriptor {
/**
* The label used by default.
*/
private static final String DEFAULT_PAGE_LABEL = "General"; //$NON-NLS-1$
/**
* The {@link EEFPage}.
*/
private EEFPage eefPage;
/**
* The constructor.
*
* @param eefPage
* The EEFPage
*/
public EEFTabDescriptor(EEFPage eefPage) {
super();
this.eefPage = eefPage;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.properties.ui.api.IEEFTabDescriptor#getId()
*/
@Override
public String getId() {
// FIXME [SBE] I am commenting this code because while it's better it breaks the live edition in the workspace
// if (this.eefPage.isUnique()) {
// return this.eefPage.getDescription().getIdentifier();
// }
StringBuilder identifier = new StringBuilder();
identifier.append(this.eefPage.getDescription().getIdentifier());
List<EEFGroup> groups = this.eefPage.getGroups();
for (EEFGroup eefGroup : groups) {
identifier.append(eefGroup.getDescription().getIdentifier());
Object groupSemanticElement = eefGroup.getVariableManager().getVariables().get(EEFExpressionUtils.SELF);
if (groupSemanticElement instanceof EObject) {
identifier.append(this.getIdForEObject((EObject) groupSemanticElement));
}
identifier.append(groupSemanticElement.hashCode());
}
// @formatter:off
groups.stream().map(EEFGroup::getDescription)
.flatMap(description -> description.getControls().stream().flatMap(this::getDynamicMappingFors))
.filter(EEFDynamicMappingFor::isForceRefresh)
.findFirst()
.ifPresent(control -> identifier.append(System.currentTimeMillis()));
// @formatter:on
Object pageSemanticElement = this.eefPage.getVariableManager().getVariables().get(EEFExpressionUtils.SELF);
if (pageSemanticElement instanceof EObject) {
identifier.append(this.getIdForEObject((EObject) pageSemanticElement));
}
identifier.append(System.identityHashCode(pageSemanticElement));
return identifier.toString();
}
/**
* Returns recursively a stream of the dynamic mappings for the given control.
*
* @param eefControlDescription
* The description of the control
* @return The stream of the dynamic mapping
*/
private Stream<EEFDynamicMappingFor> getDynamicMappingFors(EEFControlDescription eefControlDescription) {
Stream<EEFDynamicMappingFor> stream = Stream.empty();
if (eefControlDescription instanceof EEFDynamicMappingFor) {
stream = Stream.of((EEFDynamicMappingFor) eefControlDescription);
} else if (eefControlDescription instanceof EEFContainerDescription) {
EEFContainerDescription eefContainerDescription = (EEFContainerDescription) eefControlDescription;
stream = eefContainerDescription.getControls().stream().flatMap(this::getDynamicMappingFors);
}
return stream;
}
/**
* Returns an unique identifier for the given EObject which will stay the same even after changes which would impact
* its URI (for example, changing the name of an EClass).
*
* @param eObject
* The EObject
* @return The unique identifier of the given EObject
*/
private Integer getIdForEObject(EObject eObject) {
return RefreshIdsHolder.getOrCreateID(eObject);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.properties.ui.api.IEEFTabDescriptor#getLabel()
*/
@Override
public String getLabel() {
String labelExpression = this.eefPage.getDescription().getLabelExpression();
EAttribute eAttribute = EefPackage.Literals.EEF_PAGE_DESCRIPTION__LABEL_EXPRESSION;
return EvalFactory.of(this.eefPage.getInterpreter(), this.eefPage.getVariableManager()).logIfBlank(eAttribute).logIfInvalidType(String.class)
.defaultValue(DEFAULT_PAGE_LABEL).evaluate(labelExpression);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.properties.ui.api.AbstractEEFTabDescriptor#getSectionDescriptors()
*/
@Override
public List<IEEFSectionDescriptor> getSectionDescriptors() {
List<IEEFSectionDescriptor> sectionDescriptors = new ArrayList<IEEFSectionDescriptor>();
sectionDescriptors.add(new EEFSectionDescriptor(this.eefPage));
return sectionDescriptors;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.properties.ui.api.AbstractEEFTabDescriptor#getCategory()
*/
@Override
public String getCategory() {
return "EEF"; //$NON-NLS-1$
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.properties.ui.api.AbstractEEFTabDescriptor#isIndented()
*/
@Override
public boolean isIndented() {
return this.eefPage.getDescription().isIndented();
}
}
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