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/*****************************************************************************
* Copyright (c) 2012 CEA LIST.
*
*
* 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.nattable.dataprovider;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.nebula.widgets.nattable.edit.editor.IComboBoxDataProvider;
import org.eclipse.papyrus.infra.nattable.manager.table.ITableAxisElementProvider;
import org.eclipse.papyrus.infra.nattable.utils.AxisUtils;
import org.eclipse.papyrus.infra.widgets.providers.HierarchicToFlatContentProvider;
import org.eclipse.papyrus.infra.widgets.providers.TreeToFlatContentProvider;
import org.eclipse.papyrus.uml.nattable.utils.UMLTableUtils;
import org.eclipse.papyrus.uml.tools.providers.UMLContentProvider;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Property;
import org.eclipse.uml2.uml.Stereotype;
/**
*
* @author Vincent Lorenzo
* This class provides the contents to display for single reference in the combobox
*/
public class UMLSingleReferenceComboBoxDataProvider implements IComboBoxDataProvider {
/**
* The table axis element provider
*/
private ITableAxisElementProvider elementProvider;
/**
* the axis element on which the combobox is declared
*/
private Object axisElement;
/**
*
* Constructor.
*
* @param axisElement
* the axis element on which the combobox is declared
* @param elementProvider
* The table axis element provider
*/
public UMLSingleReferenceComboBoxDataProvider(final Object axisElement, final ITableAxisElementProvider elementProvider) {
this.elementProvider = elementProvider;
this.axisElement = axisElement;
}
/**
*
* @see org.eclipse.nebula.widgets.nattable.edit.editor.IComboBoxDataProvider#getValues(int, int)
*
* @param columnIndex
* @param rowIndex
* @return
*/
public List<?> getValues(int columnIndex, int rowIndex) {
final Object colElement = this.elementProvider.getColumnElement(columnIndex);
final Object rowElement = this.elementProvider.getRowElement(rowIndex);
Element editedElement = null;
Object axis = null;
if(colElement == this.axisElement && rowElement instanceof EObject) {
editedElement = (Element)rowElement;
axis = colElement;
} else if(colElement instanceof EObject && rowElement == this.axisElement) {
editedElement = (Element)colElement;
axis = rowElement;
}
if(editedElement != null && axis != null) {
if(axis instanceof EReference) {
return getPossibleValues(editedElement, (EReference)axis);
} else {
final String id = AxisUtils.getPropertyId(this.axisElement);
return getPossibleValuesForStereotypeProperty(editedElement, id);
}
}
return Collections.emptyList();
}
/**
* FIXME : should be merge with the specific method for stereotype property
* FIXME : this method should be stored in another plugin specific for UML
*
* @param element
* the edited element
* @param feature
* the edited feature
* @return
* the list of the possible values for this element
*/
private List<EObject> getPossibleValues(final EObject element, final EReference feature) {
final List<EObject> availableValues = new ArrayList<EObject>();
UMLContentProvider provider = new UMLContentProvider(element, feature, null, element.eResource().getResourceSet());
final TreeToFlatContentProvider flatP = new HierarchicToFlatContentProvider(provider);
final List<Object> list = Arrays.asList(flatP.getElements());
final Iterator<Object> iter = list.iterator();
while(iter.hasNext()) {
final Object current = iter.next();
if(current instanceof EObject) {
availableValues.add((EObject)current);
}
}
return availableValues;
}
/**
*
* @param element
* the element which are editing
* @param id
* the id of the stereotype property
* @return
* the list of the possible values for this element
*/
private List<EObject> getPossibleValuesForStereotypeProperty(final Element element, final String id) {
final List<EObject> availableValues = new ArrayList<EObject>();
Property prop = UMLTableUtils.getRealStereotypeProperty(element, id);
final List<Stereotype> stereotypes = UMLTableUtils.getAppliedSteretoypesWithThisProperty(element, id);
EObject steAppl = element.getStereotypeApplication(stereotypes.get(0));
EStructuralFeature stereotypePropertyFeature = steAppl.eClass().getEStructuralFeature(prop.getName());
final Stereotype ste = stereotypes.get(0);
EObject container = prop.eContainer();
assert container instanceof Stereotype;
UMLContentProvider provider = new UMLContentProvider(steAppl, stereotypePropertyFeature, ste, element.eResource().getResourceSet());
final TreeToFlatContentProvider flatP = new HierarchicToFlatContentProvider(provider);
final List<Object> list = Arrays.asList(flatP.getElements());
final Iterator<Object> iter = list.iterator();
while(iter.hasNext()) {
final Object current = iter.next();
if(current instanceof EObject) {
availableValues.add((EObject)current);
}
}
return availableValues;
}
/**
*
* @param columnIndex
* the column index
* @param rowIndex
* the rowindex
* @return
* the edited object located at this place
*/
// FIXME : try to remove this method, improving the ComboAction...
public EObject getEditedEObject(int columnIndex, int rowIndex) {
final Object colElement = this.elementProvider.getColumnElement(columnIndex);
final Object rowElement = this.elementProvider.getRowElement(rowIndex);
Element el = (Element)rowElement;
if(colElement == this.axisElement) {
el = (Element)rowElement;
} else if(rowElement == this.axisElement) {
el = (Element)colElement;
} else {
//There is a problem in the declaration of the editor...
}
return el;
}
/**
*
* @param columnIndex
* the column index
* @param rowIndex
* the row index
* @return
* the edited feature located at this place
*/
//FIXME : try to remove this method, improving the ComboAction...
public Object getEditedFeature(int columnIndex, int rowIndex) {
return this.axisElement;
}
}
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